Jost Klawitter, PhD

Publications

• Yee EJ, Kirsch MJ, Miller OS, Sempio C, Bainbridge J, Klawitter J, Christians U, Madsen H, McCarter MD, Gleisner AL, Gumidyala R, Lindley E, Adkins M, Semmler N, Stewart CL. Cannabis, Pain, and Complications: A Prospective Analysis of Cannabis Use, Opiate Consumption, and Postoperative Outcomes following Cancer-Related Abdominal Surgery. Ann Surg Oncol. 2025 Oct 24. [Epub ahead of print] PubMed PMID: 41131391
• Steeger CM, Tandukar P, Hoth KF, Aloia M, Wamboldt F, Castaldi P, Sharma S, Lorenzon N, Crotty Alexander LE, Klawitter J, Sempio C, Kinney GL, Althoff MD, Kruse GR, Bowler RP. Frequency of cannabis use and symptoms of anxiety and depression: a cross-sectional analysis of the Colorado cannabis users health cohort. J Cannabis Res. 2025 Oct 17;7(1):78. PubMed PMID: 41107903
• Klawitter J, Kirkpatrick BE, Shillingburg R, Klawitter J, Wheeler G, Shokati T, Cadnapaphornchai MA, Galinkin JL, Thurman JM, Christians U. Monitoring of Allograft Adaptation After Kidney Transplantation in Pediatric Patients by Targeted Plasma Metabolomics. Int J Mol Sci. 2025 Sep 20;26(18). PubMed PMID: 41009752
• Strickland JC, Tilton HE, Patton NM, Vandrey R, Austin Zamarripa C, Spindle TR, Lee DC, Bergeria CL, Wolinsky D, Klawitter J, Sempio C, Campos-Palomino J, Christians U, Feldner MT, Irons JG, Bonn-Miller MO. Effect of caffeine and cannabidiol (CBD) co-administration on ?9-tetrahydrocannabinol (?9-THC) subjective effects, performance impairment, and pharmacokinetics. Neuropsychopharmacology. 2025 Nov;50(12):1827-1835. PubMed PMID: 40962814
• Davari B, Shokati T, Ward AM, Nguyen V, Klawitter J, Klawitter J, Christians U. Human Metabolism of Sirolimus Revisited. Metabolites. 2025 Jul 20;15(7). PubMed PMID: 40710588
• Crume TL, Kim P, Shen X, Iisa E, Huestis MA, Fried P, Stickrath EH, Conageski C, Phipers JE, Kinney G, Sempio C, Klawitter J, Dufford AJ. In utero chronic cannabis exposure is associated with lower total brain volume in the first month of postnatal life. Am J Drug Alcohol Abuse. 2025;51(4):458-470. PubMed PMID: 40700630
• Wade NE, Wallace AL, Baca R, Andrade G, Happer JP, Courtney KE, Christians U, Sempio C, Klawitter J, Huestis MA, Jacobus J. Cannabinoid Profiling Across Toxicology Samples in Adolescents and Young Adults by Route of Administration and in Relation to Depression Symptoms. J Anal Toxicol. 2025 Jun 19. [Epub ahead of print] PubMed PMID: 40577620
• Klawitter J, Clauw AD, Seifert JA, Klawitter J, Tompson B, Sempio C, Ingram SL, Christians U, Moreland LW. Endocannabinoid Tone and Oxylipins in Rheumatoid Arthritis and Osteoarthritis-A Novel Target for the Treatment of Pain and Inflammation?. Int J Mol Sci. 2025 Jun 14;26(12). PubMed PMID: 40565171
• Morris AWJ, Mueller RL, Sempio C, Klawitter J, Bryan AD, Bidwell LC, Hutchison KE. Effect of Cannabidiol and ?9-tetrahydrocannabinol on Anti-Inflammatory Lipid Mediator Synthesis in Humans. Cannabis Cannabinoid Res. 2025 Aug;10(4):506-511. PubMed PMID: 40552985
• Klawitter J, Easton M, Karpeisky A, Farrell KB, Thamm DH, Shokati T, Christians U, Zinnen SP. Novel Approaches to Monitor Pharmacokinetics and Metabolism of Gemcitabine-Ibandronate Conjugate in Mice and Dogs. Molecules. 2025 Jan 16;30(2). PubMed PMID: 39860223
• Moore BF, Mueller NT, Perng W, Sauder KA, Hébert ET, Hoyt AT, Wymore EM, Boyle KE, Su EJ, Shapiro ALB, Kinney G, Sempio C, Klawitter J, Christians U, Dabelea D. Impact of prenatal exposure to delta 9-tetrahydrocannabinol and cannabidiol on birth size and postnatal growth trajectories. Pediatr Obes. 2025 Jan;20(1):e13187. PubMed PMID: 39681476
• Sempio C, Campos-Palomino J, Klawitter J, Zhao W, Huestis MA, Christians U, Klawitter J. Quantification of 11 kratom alkaloids including mitragynine and its main metabolites in human plasma using LC-MS/MS. Anal Bioanal Chem. 2025 Feb;417(4):761-769. PubMed PMID: 39644381
• Martin-Willett R, Skrzynski CJ, Taylor EM, Sempio C, Klawitter J, Bidwell LC. The Interplay of Exogenous Cannabinoid Use on Anandamide and 2-Arachidonoylglycerol in Anxiety: Results from a Quasi-Experimental Ad Libitum Study. Pharmaceuticals (Basel). 2024 Oct 6;17(10). PubMed PMID: 39458976
• Younoszai N, Hollander C, Kinney GL, Hamlington KL, Klawitter J, Sempio C, Christians U, Dabelea D, Moore BF. Childhood exposure to cannabidiol and lung function: A pilot study. Pediatr Pulmonol. 2024 Dec;59(12):3766-3769. PubMed PMID: 39056509
• Sanctuary MR, Hudacheck CL, Jones AJ, Murphy BV, Welsh N, Klawitter J, Hoffenberg EJ, Collins CB. Priming lymphocyte responsiveness and differential T cell signaling in pediatric IBD patients with Cannabis use. bioRxiv. 2024 Jul 11. PubMed PMID: 39026778
• Ward AM, Shokati T, Klawitter J, Klawitter J, Nguyen V, Kozell L, Abbas AI, Jones D, Christians U. Identification and Characterization of Cannabichromene's Major Metabolite Following Incubation with Human Liver Microsomes. Metabolites. 2024 Jun 13;14(6). PubMed PMID: 38921465
• Sempio C, Campos-Palomino J, Klawitter J, Harrison A, Peters EN, MacNair L, Haghdoost M, Bonn-Miller M, Babalonis S, Huestis MA, Christians U, Klawitter J. LC-MS-MS quantification of ?8-THC, ?9-THC, THCV isomers and their main metabolites in human plasma. J Anal Toxicol. 2024 Aug 21;48(7):499-506. PubMed PMID: 38836589
• Althoff MD, Kinney GL, Aloia MS, Sempio C, Klawitter J, Bowler RP. The impact of cannabis use proximal to sleep and cannabinoid metabolites on sleep architecture. J Clin Sleep Med. 2024 Oct 1;20(10):1615-1625. PubMed PMID: 38804689
• Spindle TR, Zamarripa CA, Russo E, Pollak L, Bigelow G, Ward AM, Tompson B, Sempio C, Shokati T, Klawitter J, Christians U, Vandrey R. Vaporized D-limonene selectively mitigates the acute anxiogenic effects of ?9-tetrahydrocannabinol in healthy adults who intermittently use cannabis. Drug Alcohol Depend. 2024 Apr 1;257:111267. PubMed PMID: 38498958
• Liu Y, Bainbridge J, Sillau S, Rajkovic S, Adkins M, Domen CH, Thompson JA, Seawalt T, Klawitter J, Sempio C, Chin G, Forman L, Fullard M, Hawkins T, Seeberger L, Newman H, Vu D, Leehey MA. Short-Term Cannabidiol with ?-9-Tetrahydrocannabinol in Parkinson's Disease: A Randomized Trial. Mov Disord. 2024 May;39(5):863-875. PubMed PMID: 38487964
• Weber I, Zagona-Prizio C, Sivesind TE, Adelman M, Szeto MD, Liu Y, Sillau SH, Bainbridge J, Klawitter J, Sempio C, Dunnick CA, Leehey MA, Dellavalle RP. Oral Cannabidiol for Seborrheic Dermatitis in Patients With Parkinson Disease: Randomized Clinical Trial. JMIR Dermatol. 2024 Mar 11;7:e49965. PubMed PMID: 38466972
• Klawitter J, Weissenborn W, Gvon I, Walz M, Klawitter J, Jackson M, Sempio C, Joksimovic SL, Shokati T, Just I, Christians U, Todorovic SM. ß-Caryophyllene Inhibits Monoacylglycerol Lipase Activity and Increases 2-Arachidonoyl Glycerol Levels In Vivo: A New Mechanism of Endocannabinoid-Mediated Analgesia?. Mol Pharmacol. 2024 Jan 10;105(2):75-83. PubMed PMID: 38195158
• Gibson LP, Mueller RL, Winiger EA, Klawitter J, Sempio C, Williams S, Bryan AD, Bidwell LC, Hutchison KE. Cannabinoid Exposure and Subjective Effects of THC and CBD in Edible Cannabis Products. Cannabis Cannabinoid Res. 2024 Feb;9(1):320-334. PubMed PMID: 36378267
• Moore CF, Davis CM, Sempio C, Klawitter J, Christians U, Weerts EM. ?(9)-Tetrahydrocannabinol Vapor Exposure Produces Conditioned Place Preference in Male and Female Rats. Cannabis Cannabinoid Res. 2024 Feb;9(1):111-120. PubMed PMID: 36179013
• Sempio C, Campos-Palomino J, Klawitter J, Peters EN, MacNair L, Haghdoost M, Bonn-Miller MO, Harrison A, Babalonis S, Christians U, Klawitter J. Pharmacokinetics of Oral Cannabinoid ?8-Tetrahydrocannabivarin and Its Main Metabolites in Healthy Participants. Pharmaceuticals (Basel). 2024 Nov 27;17(12). PubMed PMID: 39770444
• Younoszai N, Hollander C, Kinney GL, Hamlington KL, Klawitter J, Sempio C, Christians U, Dabelea D, Moore BF. Childhood exposure to cannabidiol and lung function: A pilot study. Pediatr Pulmonol. 2024 Jul 26. [Epub ahead of print] PubMed PMID: 39056509
• Sanctuary MR, Hudacheck CL, Jones AJ, Murphy BV, Welsh N, Klawitter J, Hoffenberg EJ, Collins CB. Priming lymphocyte responsiveness and differential T cell signaling in pediatric IBD patients with Cannabis use. bioRxiv. 2024 Jul 11. PubMed PMID: 39026778
• Ward AM, Shokati T, Klawitter J, Klawitter J, Nguyen V, Kozell L, Abbas AI, Jones D, Christians U. Identification and Characterization of Cannabichromene's Major Metabolite Following Incubation with Human Liver Microsomes. Metabolites. 2024 Jun 13;14(6). PubMed PMID: 38921465
• Sempio C, Campos-Palomino J, Klawitter J, Harrison A, Peters EN, MacNair L, Haghdoost M, Bonn-Miller M, Babalonis S, Huestis MA, Christians U, Klawitter J. LC-MS-MS quantification of ?8-THC, ?9-THC, THCV isomers and their main metabolites in human plasma. J Anal Toxicol. 2024 Aug 21;48(7):499-506. PubMed PMID: 38836589
• Althoff MD, Kinney GL, Aloia MS, Sempio C, Klawitter J, Bowler RP. The impact of cannabis use proximal to sleep and cannabinoid metabolites on sleep architecture. J Clin Sleep Med. 2024 Oct 1;20(10):1615-1625. PubMed PMID: 38804689
• Spindle TR, Zamarripa CA, Russo E, Pollak L, Bigelow G, Ward AM, Tompson B, Sempio C, Shokati T, Klawitter J, Christians U, Vandrey R. Vaporized D-limonene selectively mitigates the acute anxiogenic effects of ?9-tetrahydrocannabinol in healthy adults who intermittently use cannabis. Drug Alcohol Depend. 2024 Apr 1;257:111267. PubMed PMID: 38498958
• Liu Y, Bainbridge J, Sillau S, Rajkovic S, Adkins M, Domen CH, Thompson JA, Seawalt T, Klawitter J, Sempio C, Chin G, Forman L, Fullard M, Hawkins T, Seeberger L, Newman H, Vu D, Leehey MA. Short-Term Cannabidiol with ?-9-Tetrahydrocannabinol in Parkinson's Disease: A Randomized Trial. Mov Disord. 2024 May;39(5):863-875. PubMed PMID: 38487964
• Weber I, Zagona-Prizio C, Sivesind TE, Adelman M, Szeto MD, Liu Y, Sillau SH, Bainbridge J, Klawitter J, Sempio C, Dunnick CA, Leehey MA, Dellavalle RP. Oral Cannabidiol for Seborrheic Dermatitis in Patients With Parkinson Disease: Randomized Clinical Trial. JMIR Dermatol. 2024 Mar 11;7:e49965. PubMed PMID: 38466972
• Klawitter J, Weissenborn W, Gvon I, Walz M, Klawitter J, Jackson M, Sempio C, Joksimovic SL, Shokati T, Just I, Christians U, Todorovic SM. ß-Caryophyllene Inhibits Monoacylglycerol Lipase Activity and Increases 2-Arachidonoyl Glycerol Levels In Vivo: A New Mechanism of Endocannabinoid-Mediated Analgesia?. Mol Pharmacol. 2024 Jan 10;105(2):75-83. PubMed PMID: 38195158
• Gibson LP, Mueller RL, Winiger EA, Klawitter J, Sempio C, Williams S, Bryan AD, Bidwell LC, Hutchison KE. Cannabinoid Exposure and Subjective Effects of THC and CBD in Edible Cannabis Products. Cannabis Cannabinoid Res. 2024 Feb;9(1):320-334. PubMed PMID: 36378267
• Moore CF, Davis CM, Sempio C, Klawitter J, Christians U, Weerts EM. ?(9)-Tetrahydrocannabinol Vapor Exposure Produces Conditioned Place Preference in Male and Female Rats. Cannabis Cannabinoid Res. 2024 Feb;9(1):111-120. PubMed PMID: 36179013
• Klawitter J, Jackson MJ, Smith PH, Hopp K, Chonchol M, Gitomer BY, Cadnapaphornchai MA, Christians U, Klawitter J. Kynurenines in polycystic kidney disease. J Nephrol. 2023 Jan;36(1):83-91. PubMed PMID: 35867237
• Martin EL, Baker NL, Sempio C, Christians U, Klawitter J, McRae-Clark AL. Sex differences in endocannabinoid tone in a pilot study of cannabis use disorder and acute cannabis abstinence. Addict Biol. 2023 Oct;28(10):e13337. PubMed PMID: 37753564
• Domen CH, Sillau S, Liu Y, Adkins M, Rajkovic S, Bainbridge J, Sempio C, Klawitter J, Leehey MA. Cognitive Safety Data from a Randomized, Double-Blind, Parallel-Group, Placebo-Controlled Phase IIb Study of the Effects of a Cannabidiol and ?9-Tetrahydrocannabinol Drug on Parkinson's Disease-Related Motor Symptoms. Mov Disord. 2023 Jul;38(7):1341-1346. PubMed PMID: 37212386
• Moore BF, Salmons KA, Hoyt AT, Swenson KS, Bates EA, Sauder KA, Shapiro ALB, Wilkening G, Kinney GL, Neophytou AM, Sempio C, Klawitter J, Christians U, Dabelea D. Associations between Prenatal and Postnatal Exposure to Cannabis with Cognition and Behavior at Age 5 Years: The Healthy Start Study. Int J Environ Res Public Health. 2023 Mar 10;20(6). PubMed PMID: 36981794
• Moore CF, Davis CM, Sempio C, Klawitter J, Christians U, Weerts EM. Effects of oral ?9-tetrahydrocannabinol and cannabidiol combinations on a sustained attention task in rats. Exp Clin Psychopharmacol. 2023 Oct;31(5):881-887. PubMed PMID: 36634015
• Shokati T, Drake SH, Zhao W, Klawitter J, Klawitter J, Christians U. Structural Identification of Zotarolimus (ABT-578) Metabolites Generated by Human Liver Microsomes Using Ion-Trap and High-Resolution Time-of-Flight Mass Spectrometry in Combination with the Analysis of Fragmentation Patterns. Metabolites. 2023 Oct 19;13(10). PubMed PMID: 37887418
• Martin EL, Baker NL, Sempio C, Christians U, Klawitter J, McRae-Clark AL. Sex differences in endocannabinoid tone in a pilot study of cannabis use disorder and acute cannabis abstinence. Addict Biol. 2023 Oct;28(10):e13337. PubMed PMID: 37753564
• Domen CH, Sillau S, Liu Y, Adkins M, Rajkovic S, Bainbridge J, Sempio C, Klawitter J, Leehey MA. Cognitive Safety Data from a Randomized, Double-Blind, Parallel-Group, Placebo-Controlled Phase IIb Study of the Effects of a Cannabidiol and ?9-Tetrahydrocannabinol Drug on Parkinson's Disease-Related Motor Symptoms. Mov Disord. 2023 Jul;38(7):1341-1346. PubMed PMID: 37212386
• Moore BF, Salmons KA, Hoyt AT, Swenson KS, Bates EA, Sauder KA, Shapiro ALB, Wilkening G, Kinney GL, Neophytou AM, Sempio C, Klawitter J, Christians U, Dabelea D. Associations between Prenatal and Postnatal Exposure to Cannabis with Cognition and Behavior at Age 5 Years: The Healthy Start Study. Int J Environ Res Public Health. 2023 Mar 10;20(6). PubMed PMID: 36981794
• Moore CF, Davis CM, Sempio C, Klawitter J, Christians U, Weerts EM. Effects of oral ?9-tetrahydrocannabinol and cannabidiol combinations on a sustained attention task in rats. Exp Clin Psychopharmacol. 2023 Oct;31(5):881-887. PubMed PMID: 36634015
• Klawitter J, Jackson MJ, Smith PH, Hopp K, Chonchol M, Gitomer BY, Cadnapaphornchai MA, Christians U, Klawitter J. Kynurenines in polycystic kidney disease. J Nephrol. 2023 Jan;36(1):83-91. PubMed PMID: 35867237
• Sempio C, Huestis MA, Kaplan B, Klawitter J, Christians U, Henthorn TK. Urinary clearance of 11-nor-9-carboxy-?(9) -tetrahydrocannabinol: A detailed pharmacokinetic analysis. Drug Test Anal. 2022 Aug;14(8):1368-1376. PubMed PMID: 35332698
• Klawitter J, Sempio C, Jackson MJ, Smith PH, Hopp K, Chonchol M, Gitomer BY, Christians U, Klawitter J. Endocannabinoid System in Polycystic Kidney Disease. Am J Nephrol. 2022;53(4):264-272. PubMed PMID: 35263737
• Hopp K, Kleczko EK, Gitomer BY, Chonchol M, Klawitter J, Christians U, Klawitter J. Metabolic reprogramming in a slowly developing orthologous model of polycystic kidney disease. Am J Physiol Renal Physiol. 2022 Mar 1;322(3):F258-F267. PubMed PMID: 35037466
• Peters EN, MacNair L, Mosesova I, Christians U, Sempio C, Klawitter J, Land MH, Ware MA, Turcotte C, Bonn-Miller MO. Pharmacokinetics of cannabichromene in a medical cannabis product also containing cannabidiol and ?(9)-tetrahydrocannabinol: a pilot study. Eur J Clin Pharmacol. 2022 Feb;78(2):259-265. PubMed PMID: 34664109
• Gibson LP, Karoly HC, Ellingson JM, Klawitter J, Sempio C, Squeri JE, Bryan AD, Bidwell LC, Hutchison KE. Effects of cannabidiol in cannabis flower: Implications for harm reduction. Addict Biol. 2022 Jan;27(1):e13092. PubMed PMID: 34467598
• Hinckley JD, Saba L, Raymond K, Bartels K, Klawitter J, Christians U, Hopfer C. An Approach to Biomarker Discovery of Cannabis Use Utilizing Proteomic, Metabolomic, and Lipidomic Analyses. Cannabis Cannabinoid Res. 2022 Feb;7(1):65-77. PubMed PMID: 33998853
• Sempio C, Almaraz-Quinones N, Jackson M, Zhao W, Wang GS, Liu Y, Leehey M, Knupp K, Klawitter J, Christians U, Klawitter J. Simultaneous Quantification of 17 Cannabinoids by LC-MS-MS in Human Plasma. J Anal Toxicol. 2022 Apr 21;46(4):383-392. PubMed PMID: 33754154
• Gibson LP, Mueller RL, Winiger EA, Klawitter J, Sempio C, Williams S, Bryan AD, Bidwell LC, Hutchison KE. Cannabinoid Exposure and Subjective Effects of THC and CBD in Edible Cannabis Products. Cannabis Cannabinoid Res. 2022 Nov 15. [Epub ahead of print] PubMed PMID: 36378267
• Moore CF, Davis CM, Sempio C, Klawitter J, Christians U, Weerts EM. ?(9)-Tetrahydrocannabinol Vapor Exposure Produces Conditioned Place Preference in Male and Female Rats. Cannabis Cannabinoid Res. 2022 Sep 30. [Epub ahead of print] PubMed PMID: 36179013
• Moore CF, Davis CM, Sempio C, Klawitter J, Christians U, Weerts EM. ?(9)-Tetrahydrocannabinol Vapor Exposure Produces Conditioned Place Preference in Male and Female Rats. Cannabis Cannabinoid Res. 2022 Sep 30. [Epub ahead of print] PubMed PMID: 36179013
• Klawitter J, Jackson MJ, Smith PH, Hopp K, Chonchol M, Gitomer BY, Cadnapaphornchai MA, Christians U, Klawitter J. Kynurenines in polycystic kidney disease. J Nephrol. 2022 Jul 22. [Epub ahead of print] PubMed PMID: 35867237
• Joffre J, Wong E, Lawton S, Lloyd E, Nguyen N, Xu F, Sempio C, Kobzik L, Zlatanova I, Schumacher M, Klawitter J, Su H, Rabl K, Wilhelmsen K, Yeh CC, Hellman J. N-Oleoyl dopamine induces IL-10 via central nervous system TRPV1 and improves endotoxemia and sepsis outcomes. J Neuroinflammation. 2022 May 24;19(1):118. PubMed PMID: 35610647
• Sempio C, Huestis MA, Kaplan B, Klawitter J, Christians U, Henthorn TK. Urinary clearance of 11-nor-9-carboxy-?(9) -tetrahydrocannabinol: A detailed pharmacokinetic analysis. Drug Test Anal. 2022 Aug;14(8):1368-1376. PubMed PMID: 35332698
• Klawitter J, Sempio C, Jackson MJ, Smith PH, Hopp K, Chonchol M, Gitomer BY, Christians U, Klawitter J. Endocannabinoid System in Polycystic Kidney Disease. Am J Nephrol. 2022;53(4):264-272. PubMed PMID: 35263737
• Hopp K, Kleczko EK, Gitomer BY, Chonchol M, Klawitter J, Christians U, Klawitter J. Metabolic reprogramming in a slowly developing orthologous model of polycystic kidney disease. Am J Physiol Renal Physiol. 2022 Mar 1;322(3):F258-F267. PubMed PMID: 35037466
• Peters EN, MacNair L, Mosesova I, Christians U, Sempio C, Klawitter J, Land MH, Ware MA, Turcotte C, Bonn-Miller MO. Pharmacokinetics of cannabichromene in a medical cannabis product also containing cannabidiol and ?(9)-tetrahydrocannabinol: a pilot study. Eur J Clin Pharmacol. 2022 Feb;78(2):259-265. PubMed PMID: 34664109
• Gibson LP, Karoly HC, Ellingson JM, Klawitter J, Sempio C, Squeri JE, Bryan AD, Bidwell LC, Hutchison KE. Effects of cannabidiol in cannabis flower: Implications for harm reduction. Addict Biol. 2022 Jan;27(1):e13092. PubMed PMID: 34467598
• Hinckley JD, Saba L, Raymond K, Bartels K, Klawitter J, Christians U, Hopfer C. An Approach to Biomarker Discovery of Cannabis Use Utilizing Proteomic, Metabolomic, and Lipidomic Analyses. Cannabis Cannabinoid Res. 2022 Feb;7(1):65-77. PubMed PMID: 33998853
• Sempio C, Almaraz-Quinones N, Jackson M, Zhao W, Wang GS, Liu Y, Leehey M, Knupp K, Klawitter J, Christians U, Klawitter J. Simultaneous Quantification of 17 Cannabinoids by LC-MS-MS in Human Plasma. J Anal Toxicol. 2022 Apr 21;46(4):383-392. PubMed PMID: 33754154
• Sempio C, Bidwell LC, Hutchison K, Huestis MA, Klawitter J, Christians U, Henthorn TK. Using Population Pharmacokinetic Modeling to Estimate Exposure to ?9-Tetrahydrocannabinol in an Observational Study of Cannabis Smokers in Colorado. Ther Drug Monit. 2021 Aug 1;43(4):536-545. PubMed PMID: 33656464
• Sempio C, Wymore E, Palmer C, Bunik M, Henthorn TK, Christians U, Klawitter J. Detection of Cannabinoids by LC-MS-MS and ELISA in Breast Milk. J Anal Toxicol. 2021 Aug 14;45(7):686-692. PubMed PMID: 33002141
• Gibson LP, Karoly HC, Ellingson JM, Klawitter J, Sempio C, Squeri JE, Bryan AD, Bidwell LC, Hutchison KE. Effects of cannabidiol in cannabis flower: Implications for harm reduction. Addict Biol. 2021 Aug 31;:e13092. [Epub ahead of print] PubMed PMID: 34467598
• Sempio C, Wymore E, Palmer C, Bunik M, Henthorn TK, Christians U, Klawitter J. Detection of Cannabinoids by LC-MS-MS and ELISA in Breast Milk. J Anal Toxicol. 2021 Aug 14;45(7):686-692. PubMed PMID: 33002141
• Gibson LP, Gust CJ, Ellingson JM, YorkWilliams SL, Sempio C, Klawitter J, Bryan AD, Hutchison KE, Cinnamon Bidwell L. Investigating sex differences in acute intoxication and verbal memory errors after ad libitum cannabis concentrate use. Drug Alcohol Depend. 2021 Jun 1;223:108718. PubMed PMID: 33866072
• Gilman JM, Schmitt WA, Wheeler G, Schuster RM, Klawitter J, Sempio C, Evins AE. Variation in Cannabinoid Metabolites Present in the Urine of Adults Using Medical Cannabis Products in Massachusetts. JAMA Netw Open. 2021 Apr 1;4(4):e215490. PubMed PMID: 33844003
• Sempio C, Klawitter J, Jackson M, Freni F, Shillingburg R, Hutchison K, Bidwell LC, Christians U, Klawitter J. Analysis of 14 endocannabinoids and endocannabinoid congeners in human plasma using column switching high-performance atmospheric pressure chemical ionization liquid chromatography-mass spectrometry. Anal Bioanal Chem. 2021 May;413(12):3381-3392. PubMed PMID: 33817753
• Baliga MM, Klawitter J, Christians U, Hopp K, Chonchol M, Gitomer BY, Cadnapaphornchai MA, Klawitter J. Metabolic profiling in children and young adults with autosomal dominant polycystic kidney disease. Sci Rep. 2021 Mar 23;11(1):6629. PubMed PMID: 33758231
• Gibson LP, Gust CJ, Ellingson JM, YorkWilliams SL, Sempio C, Klawitter J, Bryan AD, Hutchison KE, Cinnamon Bidwell L. Investigating sex differences in acute intoxication and verbal memory errors after ad libitum cannabis concentrate use. Drug Alcohol Depend. 2021 Jun 1;223:108718. PubMed PMID: 33866072
• Gilman JM, Schmitt WA, Wheeler G, Schuster RM, Klawitter J, Sempio C, Evins AE. Variation in Cannabinoid Metabolites Present in the Urine of Adults Using Medical Cannabis Products in Massachusetts. JAMA Netw Open. 2021 Apr 1;4(4):e215490. PubMed PMID: 33844003
• Sempio C, Klawitter J, Jackson M, Freni F, Shillingburg R, Hutchison K, Bidwell LC, Christians U, Klawitter J. Analysis of 14 endocannabinoids and endocannabinoid congeners in human plasma using column switching high-performance atmospheric pressure chemical ionization liquid chromatography-mass spectrometry. Anal Bioanal Chem. 2021 May;413(12):3381-3392. PubMed PMID: 33817753
• Baliga MM, Klawitter J, Christians U, Hopp K, Chonchol M, Gitomer BY, Cadnapaphornchai MA, Klawitter J. Metabolic profiling in children and young adults with autosomal dominant polycystic kidney disease. Sci Rep. 2021 Mar 23;11(1):6629. PubMed PMID: 33758231
• Sempio C, Almaraz-Quinones N, Jackson M, Zhao W, Wang GS, Liu Y, Leehey M, Knupp K, Klawitter J, Christians U, Klawitter J. Simultaneous Quantification of 17 Cannabinoids bY LC-MS-MS in Human Plasma. J Anal Toxicol. 2021 Mar 23. [Epub ahead of print] PubMed PMID: 33754154
• Sempio C, Bidwell LC, Hutchison K, Huestis MA, Klawitter J, Christians U, Henthorn TK. Using Population Pharmacokinetic Modeling to Estimate Exposure to ?9-Tetrahydrocannabinol in an Observational Study of Cannabis Smokers in Colorado. Ther Drug Monit. 2021 Aug 1;43(4):536-545. PubMed PMID: 33656464
• Leehey MA, Liu Y, Hart F, Epstein C, Cook M, Sillau S, Klawitter J, Newman H, Sempio C, Forman L, Seeberger L, Klepitskaya O, Baud Z, Bainbridge J. Safety and Tolerability of Cannabidiol in Parkinson Disease: An Open Label, Dose-Escalation Study. Cannabis Cannabinoid Res. 2020;5(4):326-336. PubMed PMID: 33381646
• Wang GS, Bourne DWA, Klawitter J, Sempio C, Chapman K, Knupp K, Wempe MF, Borgelt L, Christians U, Heard K, Bajaj L. Disposition of oral delta-9 tetrahydrocannabinol (THC) in children receiving cannabis extracts for epilepsy. Clin Toxicol (Phila). 2020 Feb;58(2):124-128. PubMed PMID: 31111749
• Sempio C, Wymore E, Palmer C, Bunik M, Henthorn TK, Christians U, Klawitter J. Detection of Cannabinoids by LC-MS-MS and ELISA in Breast Milk. J Anal Toxicol. 2020 Oct 2. [Epub ahead of print] PubMed PMID: 33002141
• Bidwell LC, Ellingson JM, Karoly HC, YorkWilliams SL, Hitchcock LN, Tracy BL, Klawitter J, Sempio C, Bryan AD, Hutchison KE. Association of Naturalistic Administration of Cannabis Flower and Concentrates With Intoxication and Impairment. JAMA Psychiatry. 2020 Aug 1;77(8):787-796. PubMed PMID: 32520316
• Wang GS, Bourne DWA, Klawitter J, Sempio C, Chapman K, Knupp K, Wempe MF, Borgelt L, Christians U, Leonard J, Heard K, Bajaj L. Disposition of Oral Cannabidiol-Rich Cannabis Extracts in Children with Epilepsy. Clin Pharmacokinet. 2020 Aug;59(8):1005-1012. PubMed PMID: 32048179
• Sempio C, Huestis MA, Mikulich-Gilbertson SK, Klawitter J, Christians U, Henthorn TK. Population pharmacokinetic modeling of plasma ?9-tetrahydrocannabinol and an active and inactive metabolite following controlled smoked cannabis administration. Br J Clin Pharmacol. 2020 Mar;86(3):611-619. PubMed PMID: 31747464
• Shokati T, Hartmann M, Davari B, Klawitter J, Klawitter J, Christians U. Temsirolimus metabolic pathways revisited. Xenobiotica. 2020 Jun;50(6):640-653. PubMed PMID: 31596164
• Bidwell LC, Ellingson JM, Karoly HC, YorkWilliams SL, Hitchcock LN, Tracy BL, Klawitter J, Sempio C, Bryan AD, Hutchison KE. Association of Naturalistic Administration of Cannabis Flower and Concentrates With Intoxication and Impairment. JAMA Psychiatry. 2020 Aug 1;77(8):787-796. PubMed PMID: 32520316
• Wang GS, Bourne DWA, Klawitter J, Sempio C, Chapman K, Knupp K, Wempe MF, Borgelt L, Christians U, Leonard J, Heard K, Bajaj L. Disposition of Oral Cannabidiol-Rich Cannabis Extracts in Children with Epilepsy. Clin Pharmacokinet. 2020 Aug;59(8):1005-1012. PubMed PMID: 32048179
• Sempio C, Huestis MA, Mikulich-Gilbertson SK, Klawitter J, Christians U, Henthorn TK. Population pharmacokinetic modeling of plasma ?9-tetrahydrocannabinol and an active and inactive metabolite following controlled smoked cannabis administration. Br J Clin Pharmacol. 2020 Mar;86(3):611-619. PubMed PMID: 31747464
• Shokati T, Hartmann M, Davari B, Klawitter J, Klawitter J, Christians U. Temsirolimus metabolic pathways revisited. Xenobiotica. 2020 Jun;50(6):640-653. PubMed PMID: 31596164
• Wang GS, Bourne DWA, Klawitter J, Sempio C, Chapman K, Knupp K, Wempe MF, Borgelt L, Christians U, Heard K, Bajaj L. Disposition of oral delta-9 tetrahydrocannabinol (THC) in children receiving cannabis extracts for epilepsy. Clin Toxicol (Phila). 2020 Feb;58(2):124-128. PubMed PMID: 31111749
• Hinckley JD, Saba L, Raymond K, Bartels K, Klawitter J, Christians U, Hopfer C. An Approach to Biomarker Discovery of Cannabis Use Utilizing Proteomic, Metabolomic, and Lipidomic Analyses. Cannabis Cannabinoid Res. 2020 Jun 19. [Epub ahead of print] PubMed PMID: 33998853
• Jesse D. Hinckley, Laura Saba, Kristen Raymond, Karsten Bartels, Jost Klawitter, Uwe Christians, and Christian Hopfer An Approach to Biomarker Discovery of Cannabis Use Utilizing Proteomic, Metabolomic, and Lipidomic Analyses Cannabis and Cannabinoid Research, Published Online: 19 Jun 2020
• Knupp KG, Rice JD, Helmkamp LJ, Galinkin J, Sempio C, Jost K, Chapman KE. Prospective evaluation of oral cannabis extracts in children with epilepsy. Seizure. 2019 Nov;72:23-27. PubMed PMID: 31550641
• Klawitter J, Klawitter J, Pennington A, Kirkpatrick B, Roda G, Kotecha NC, Thurman JM, Christians U. Cyclophilin D knockout protects the mouse kidney against cyclosporin A-induced oxidative stress. Am J Physiol Renal Physiol. 2019 Sep 1;317(3):F683-F694. PubMed PMID: 31188033
• Sempio C, Lindley E, Klawitter J, Christians U, Bowler RP, Adgate JL, Allshouse W, Awdziejczyk L, Fischer S, Bainbridge J, Vandyke M, Netsanet R, Crume T, Kinney GL. Surface Detection of THC Attributable to Vaporizer Use in the Indoor Environment. Sci Rep. 2019 Dec 9;9(1):18587. PubMed PMID: 31819131
• Golomb BA, Koslik HJ, Christians U, Ritchie J, Wilson P, Elkins N, Klawitter J, Klawitter J, Smith D, Repine JE. Depressed prostaglandins and leukotrienes in veterans with Gulf War illness. J Environ Sci Health B. 2019;54(8):623-639. PubMed PMID: 31033394
• Timic Stamenic T, Feseha S, Valdez R, Zhao W, Klawitter J, Todorovic SM. Alterations in Oscillatory Behavior of Central Medial Thalamic Neurons Demonstrate a Key Role of CaV3.1 Isoform of T-Channels During Isoflurane-Induced Anesthesia. Cereb Cortex. 2019 Dec 17;29(11):4679-4696. PubMed PMID: 30715245
• Leino AD, King EC, Jiang W, Vinks AA, Klawitter J, Christians U, Woodle ES, Alloway RR, Rohan JM. Assessment of tacrolimus intrapatient variability in stable adherent transplant recipients: Establishing baseline values. Am J Transplant. 2019 May;19(5):1410-1420. PubMed PMID: 30506623
• Shokati T, Hartmann M, Davari B, Klawitter J, Klawitter J, Christians U. Temsirolimus metabolic pathways revisited. Xenobiotica. 2019 Oct 23;:1-14. [Epub ahead of print] PubMed PMID: 31596164
• Knupp KG, Rice JD, Helmkamp LJ, Galinkin J, Sempio C, Jost K, Chapman KE. Prospective evaluation of oral cannabis extracts in children with epilepsy. Seizure. 2019 Sep 16;72:23-27. [Epub ahead of print] PubMed PMID: 31550641
• Klawitter J, Klawitter J, Pennington A, Kirkpatrick B, Roda G, Kotecha NC, Thurman JM, Christians U. Cyclophilin D knockout protects the mouse kidney against cyclosporin A-induced oxidative stress. Am J Physiol Renal Physiol. 2019 Sep 1;317(3):F683-F694. PubMed PMID: 31188033
• Wang GS, Bourne DWA, Klawitter J, Sempio C, Chapman K, Knupp K, Wempe MF, Borgelt L, Christians U, Heard K, Bajaj L. Disposition of oral delta-9 tetrahydrocannabinol (THC) in children receiving cannabis extracts for epilepsy. Clin Toxicol (Phila). 2019 May 21;:1-5. [Epub ahead of print] PubMed PMID: 31111749
• Golomb BA, Koslik HJ, Christians U, Ritchie J, Wilson P, Elkins N, Klawitter J, Klawitter J, Smith D, Repine JE. Depressed prostaglandins and leukotrienes in veterans with Gulf War illness. J Environ Sci Health B. 2019;54(8):623-639. PubMed PMID: 31033394
• Timic Stamenic T, Feseha S, Valdez R, Zhao W, Klawitter J, Todorovic SM. Alterations in Oscillatory Behavior of Central Medial Thalamic Neurons Demonstrate a Key Role of CaV3.1 Isoform of T-Channels During Isoflurane-Induced Anesthesia. Cereb Cortex. 2019 Jan 31. [Epub ahead of print] PubMed PMID: 30715245
• Leino AD, King EC, Jiang W, Vinks AA, Klawitter J, Christians U, Woodle ES, Alloway RR, Rohan JM. Assessment of tacrolimus intrapatient variability in stable adherent transplant recipients: Establishing baseline values. Am J Transplant. 2019 May;19(5):1410-1420. PubMed PMID: 30506623
• Montford JR, Lehman AMB, Bauer CD, Klawitter J, Klawitter J, Poczobutt JM, Scobey M, Weiser-Evans M, Nemenoff RA, Furgeson SB. Bone marrow-derived cPLA2a contributes to renal fibrosis progression. J Lipid Res. 2018 Feb;59(2):380-390. PubMed PMID: 29229740
• Montford JR, Lehman AMB, Bauer CD, Klawitter J, Klawitter J, Poczobutt JM, Scobey M, Weiser-Evans M, Nemenoff RA, Furgeson SB. Bone marrow-derived cPLA2a contributes to renal fibrosis progression. J Lipid Res. 2018 Feb;59(2):380-390. PubMed PMID: 29229740
• Alloway RR, Vinks AA, Fukuda T, Mizuno T, King EC, Zou Y, Jiang W, Woodle ES, Tremblay S, Klawitter J, Klawitter J, Christians U. Bioequivalence between innovator and generic tacrolimus in liver and kidney transplant recipients: A randomized, crossover clinical trial. PLoS Med. 2017 Nov;14(11):e1002428. PubMed PMID: 29135993
• Klawitter J, Pennington A, Klawitter J, Thurman JM, Christians U. Mitochondrial cyclophilin D ablation is associated with the activation of Akt/p70S6K pathway in the mouse kidney. Sci Rep. 2017 Sep 5;7(1):10540. PubMed PMID: 28874678
• Klawitter J, Sempio C, Mörlein S, De Bloois E, Klepacki J, Henthorn T, Leehey MA, Hoffenberg EJ, Knupp K, Wang GS, Hopfer C, Kinney G, Bowler R, Foreman N, Galinkin J, Christians U, Klawitter J. An Atmospheric Pressure Chemical Ionization MS/MS Assay Using Online Extraction for the Analysis of 11 Cannabinoids and Metabolites in Human Plasma and Urine. Ther Drug Monit. 2017 Oct;39(5):556-564. PubMed PMID: 28640062
• Grenz A, Bauerle JD, Dalton JH, Ridyard D, Badulak A, Tak E, McNamee EN, Clambey E, Moldovan R, Reyes G, Klawitter J, Ambler K, Magee K, Christians U, Brodsky KS, Ravid K, Choi DS, Wen J, Lukashev D, Blackburn MR, Osswald H, Coe IR, Nürnberg B, Haase VH, Xia Y, Sitkovsky M, Eltzschig HK. Equilibrative nucleoside transporter 1 (ENT1) regulates postischemic blood flow during acute kidney injury in mice. J Clin Invest. 2017 Jun 1;127(6):2438. PubMed PMID: 28569735
• Klawitter J, Seres T, Pennington A, Beatty JT, Klawitter J, Christians U. Ablation of Cyclophilin D Results in an Activation of FAK, Akt, and ERK Pathways in the Mouse Heart. J Cell Biochem. 2017 Sep;118(9):2933-2940. PubMed PMID: 28230282
• Schoening W, Schmitz V, Klawitter J, Christians U, Klawitter J. Metabolic markers for differentiation between renal allograft rejection and immunosuppressant toxicity in rat urine. Metabolomics 2017; 13(9): 102.
• Alloway RR, Vinks, AA, Fukuda T, Mizuno T, King EC, Zou Y, Jiang W, Woodle SE, Tremblay S, Klawitter J, Klawitter J, Christians U. Bioequivalence between brand and generic tacrolimus in liver and kidney transplant recipients: a randomized clinical trial. PLOS Medicine
• Tremblay S, Fukuda T, Mizuno T, Woodle ES, Abu Jawdeh B, Govil A, Christians U, Klawitter J, Vinks A, Alloway RR. Impact of donor genotype on recipient tacrolimus pharmacokinetics: the liver matters. Am J Transplant 2017, 17 (supplement 3): 779
• Klawitter J, Pennington A, Klawitter J, Thurman JM, Christians U. Mitochondrial cyclophilin D ablation is associated with the activation of Akt/p70S6K pathway in the mouse kidney. Sci Rep. 2017 Sep 5;7(1):10540. PubMed PMID: 28874678
• Klawitter J, Sempio C, Mörlein S, De Bloois E, Klepacki J, Henthorn T, Leehey MA, Hoffenberg EJ, Knupp K, Wang GS, Hopfer C, Kinney G, Bowler R, Foreman N, Galinkin J, Christians U, Klawitter J. An Atmospheric Pressure Chemical Ionization MS/MS Assay Using Online Extraction for the Analysis of 11 Cannabinoids and Metabolites in Human Plasma and Urine. Ther Drug Monit. 2017 Oct;39(5):556-564. PubMed PMID: 28640062
• Klawitter J, Seres T, Pennington A, Beatty JT, Klawitter J, Christians U. Ablation of Cyclophilin D Results in an Activation of FAK, Akt, and ERK Pathways in the Mouse Heart. J Cell Biochem. 2017 Sep;118(9):2933-2940. PubMed PMID: 28230282
• Checkley W, Deza MP, Klawitter J, Romero KM, Klawitter J, Pollard SL, Wise RA, Christians U, Hansel NN. Identifying biomarkers for asthma diagnosis using targeted metabolomics approaches. Respir Med. 2016 Dec;121:59-66. PubMed PMID: 27888993
• Klepacki J, Klawitter J, Klawitter J, Karimpour-Fard A, Thurman J, Ingle G, Patel D, Christians U. Amino acids in a targeted versus a non-targeted metabolomics LC-MS/MS assay. Are the results consistent?. Clin Biochem. 2016 Sep;49(13-14):955-61. PubMed PMID: 27288551
• Christians U, Klawitter J, Klawitter J. Biomarkers in Transplantation--Proteomics and Metabolomics. Ther Drug Monit. 2016 Apr;38 Suppl 1:S70-4. PubMed PMID: 26418702
• Christians U, Klawitter J, Klawitter J. Biomarkers in Transplantation--Proteomics and Metabolomics. Ther Drug Monit. 2016 Apr;38 Suppl 1:S70-4. PubMed PMID: 26418702
• Klepacki J, Klawitter J, Klawitter J, Karimpour-Fard A, Thurman J, Ingle G, Patel D, Christians U. Amino acids in a targeted versus a non-targeted metabolomics LC-MS/MS assay. Are the results consistent?. Clin Biochem. 2016 Sep;49(13-14):955-61. PubMed PMID: 27288551
• Checkley W, Deza MP, Klawitter J, Romero KM, Klawitter J, Pollard SL, Wise RA, Christians U, Hansel NN. Identifying biomarkers for asthma diagnosis using targeted metabolomics approaches. Respir Med. 2016 Dec;121:59-66. PubMed PMID: 27888993
• Christians U, Klawitter J, Klepacki J, Klawitter J. The role of metabolomics in the study of kidney diseases and in the development of diagnostic tools. In: Biomarkers of Kidney Disease. Edelstein C (ed.) Elsevier, San Diego (2016), 2nd edition
• Christians U, Klawitter J, Klepacki J, Klawitter J. The role of proteomics in the study of kidney diseases and in the development of diagnostic tools. In: Biomarkers of Kidney Disease. Edelstein C (ed.) Elsevier, San Diego (2016), 2nd edition
• Klepacki J, Klawitter J, Klawitter J, Thurman JM, Christians U. A high-performance liquid chromatography-tandem mass spectrometry-based targeted metabolomics kidney dysfunction marker panel in human urine. Clin Chim Acta. 2015 Jun 15;446:43-53. PubMed PMID: 25871999
• Klawitter J, Nashan B, Christians U. Everolimus and sirolimus in transplantation-related but different. Expert Opin Drug Saf. 2015 Jul;14(7):1055-70. PubMed PMID: 25912929
• Klawitter J, McFann K, Pennington AT, Wang W, Klawitter J, Christians U, Schrier RW, Gitomer B, Cadnapaphornchai MA. Pravastatin Therapy and Biomarker Changes in Children and Young Adults with Autosomal Dominant Polycystic Kidney Disease. Clin J Am Soc Nephrol. 2015 Sep 4;10(9):1534-41. PubMed PMID: 26224879
• U C, Klawitter J, Klawitter J. Biomarkers in Transplantation- Proteomics and Metabolomics. Ther Drug Monit. 2015 Aug 28. [Epub ahead of print] PubMed PMID: 26418702
• Klawitter J, McFann K, Pennington AT, Wang W, Klawitter J, Christians U, Schrier RW, Gitomer B, Cadnapaphornchai MA. Pravastatin Therapy and Biomarker Changes in Children and Young Adults with Autosomal Dominant Polycystic Kidney Disease. Clin J Am Soc Nephrol. 2015 Sep 4;10(9):1534-41. PubMed PMID: 26224879
• Klawitter J, Nashan B, Christians U. Everolimus and sirolimus in transplantation-related but different. Expert Opin Drug Saf. 2015 Jul;14(7):1055-70. PubMed PMID: 25912929
• Klepacki J, Klawitter J, Klawitter J, Thurman JM, Christians U. A high-performance liquid chromatography-tandem mass spectrometry-based targeted metabolomics kidney dysfunction marker panel in human urine. Clin Chim Acta. 2015 Jun 15;446:43-53. PubMed PMID: 25871999
• Klawitter J, Reed-Gitomer BY, McFann K, Pennington A, Klawitter J, Abebe KZ, Klepacki J, Cadnapaphornchai MA, Brosnahan G, Chonchol M, Christians U, Schrier RW. Endothelial dysfunction and oxidative stress in polycystic kidney disease. Am J Physiol Renal Physiol. 2014 Dec 1;307(11):F1198-206. PubMed PMID: 25234311
• Klawitter J, Bek S, Zakaria M, Zeng C, Hornberger A, Gilbert R, Shokati T, Klawitter J, Christians U, Boernsen KO. Fatty acid desaturation index in human plasma: comparison of different analytical methodologies for the evaluation of diet effects. Anal Bioanal Chem. 2014 Oct;406(25):6399-408. PubMed PMID: 25116600
• Klawitter J, Klawitter J, Schmitz V, Shokati T, Epshtein E, Thurman JM, Christians U. Mycophenolate mofetil enhances the negative effects of sirolimus and tacrolimus on rat kidney cell metabolism. PLoS One. 2014;9(1):e86202. PubMed PMID: 24497939
• Tak E, Ridyard D, Kim JH, Zimmerman M, Werner T, Wang XX, Shabeka U, Seo SW, Christians U, Klawitter J, Moldovan R, Garcia G, Levi M, Haase V, Ravid K, Eltzschig HK, Grenz A. CD73-dependent generation of adenosine and endothelial Adora2b signaling attenuate diabetic nephropathy. J Am Soc Nephrol. 2014 Mar;25(3):547-63. PubMed PMID: 24262796
• Klawitter J, Klawitter J, Schmitz V, Shokati T, Epshtein E, Thurman JM, Christians U. Mycophenolate mofetil enhances the negative effects of sirolimus and tacrolimus on rat kidney cell metabolism. PLoS One. 2014 Jan 3;9(1):e86202. PubMed PMID: 24497939
• Tak E, Ridyard D, Kim JH, Zimmerman M, Werner T, Wang XX, Shabeka U, Seo SW, Christians U, Klawitter J, Moldovan R, Garcia G, Levi M, Haase V, Ravid K, Eltzschig HK, Grenz A. CD73-Dependent Generation of Adenosine and Endothelial Adora2b Signaling Attenuate Diabetic Nephropathy. J Am Soc Nephrol. 2014 Mar;25(3):547-63. PubMed PMID: 24262796
• Klawitter J, Zafar I, Klawitter J, Pennington AT, Klepacki J, Gitomer BY, Schrier RW, Christians U, Edelstein CL. Effects of lovastatin treatment on the metabolic distributions in the Han:SPRD Rat model of polycystic kidney disease. BMC Nephrol. 2013 Jul 31;14(1):165. [Epub ahead of print] PubMed PMID: 23902712
• Klepacki J, Brunner N, Schmitz V, Klawitter J, Christians U, Klawitter J. Development and validation of an LC-MS/MS assay for the quantification of the trans-methylation pathway intermediates S-adenosylmethionine and S-adenosylhomocysteine in human plasma. Clin Chim Acta. 2013 Jun 5;421:91-7. PubMed PMID: 23499573
• Bohra R, Klepacki J, Klawitter J, Klawitter J, Thurman JM, Christians U. Proteomics and metabolomics in renal transplantation-quo vadis?. Transpl Int. 2013 Mar;26(3):225-41. PubMed PMID: 23350848
• Herson PS, Bombardier CG, Parker SM, Shimizu T, Klawitter J, Klawitter J, Quillinan N, Exo JL, Goldenberg NA, Traystman RJ. Experimental pediatric arterial ischemic stroke model reveals sex-specific estrogen signaling. Stroke. 2013 Mar;44(3):759-63. PubMed PMID: 23349190
• Klawitter J, Klawitter J, Agardi E, Corby K, Leibfritz D, Lowes BD, Christians U, Seres T. Association of DJ-1/PTEN/AKT- and ASK1/p38-mediated cell signalling with ischaemic cardiomyopathy. Cardiovasc Res. 2013 Jan 1;97(1):66-76. PubMed PMID: 23015639
• Klawitter J, Klawitter J, McFann K, Pennington AT, Abebe KZ, Brosnahan G, Cadnapaphornchai MA, Chonchol M, Gitomer B, Christians U, Schrier RW. Bioactive lipid mediators in polycystic kidney disease. J Lipid Res. 2013 Dec 16. [Epub ahead of print] PubMed PMID: 24343898
• Herson PS, Bombardier CG, Parker SM, Shimizu T, Klawitter J, Klawitter J, Quillinan N, Exo JL, Goldenberg NA, Traystman RJ. Experimental Pediatric Arterial Ischemic Stroke Model Reveals Sex-specific Estrogen Signaling. Stroke. 2013 Jan 24. [Epub ahead of print]
• Bohra R, Klepacki J, Klawitter J, Klawitter J, Thurman J, Christians U. Proteomics and metabolomics in renal transplantation - quo vadis? Transpl Int. 2012 Nov 21. doi: 10.1111/tri.12003. [Epub ahead of print]
• Christians U, Klepacki J, Shokati T, Klawitter J, Klawitter J. Mass spectrometry-based multiplexing for the analysis of biomarkers in drug development and clinical diagnostics- how much is too much? Microchem J. 2012, Nov 2;105: 32–38
• 20. Klepacki J, Klawitter J, Bendrick-Peart J, Schniedewind B, Heischmann S, Shokati T, Christians U, Klawitter J. A high-throughput U-HPLC-MS/MS assay for the quantification of mycophenolic acid and its major metabolites mycophenolic acid glucuronide and mycophenolic acid acyl-glucuronide in human plasma and urine. J Chromatogr B Analyt Technol Biomed Life Sci. 2012 Feb 1;883-884:113-9.
• 21. Rose JB, Naydenova Z, Bang A, Ramadan A, Klawitter J, Schram K, Sweeney G, Grenz A, Eltzschig H, Hammond J, Choi DS, Coe IR. Absence of equilibrative nucleoside transporter 1 in ENT1 knockout mice leads to altered nucleoside levels following hypoxic challenge. Life Sci. 2011 Oct 24;89(17-18):621-30.
• 22. Grenz A, Bauerle JD, Dalton JH, Ridyard D, Badulak A, Tak E,1 McNamee EN, Clambey E, Moldovan R, Reyes G, Klawitter J, Ambler K, Magee K, Christians U, Brodsky KS, Ravid K, Choi D-S, Wen J, Lukashev D, Blackburn MR, Osswald H, Coe IR, Nürnberg B, Haase VH, Xia Y, Sitkovsky M, Eltzschig HK, Equilibrative nucleoside transporter ENT1 regulates post-ischemic blood-flow during acute kidney injury in mice. J Clin Invest. 2012 Feb 1;122(2):693-710
• 23. Christians U, Klepacki J, Shokati T, Klawitter J, Klawitter J. Mass spectrometry-based multiplexing for the analysis of biomarkers in drug development and clinical diagnostics- how much is too much? Microchem J. 2011 (in print).
• The Applicability of Analytical Techniques to Clinical Studies (edited by Sergio Caroli and Gyula Záray) John Wiley and Sons Inc. In press. „Proteo-metabolomic strategies in the future of drug development.“ Christians U, Schmitz V, Klawitter J, Klawitter J.
• Klepacki J, Klawitter J, Bendrick-Peart J, Schniedewind B, Heischmann S, Shokati T, Christians U, Klawitter J. A high-throughput U-HPLC-MS/MS assay for the quantification of mycophenolic acid and its major metabolites mycophenolic acid glucuronide and mycophenolic acid acyl-glucuronide in human plasma and urine. J Chromatogr B Analyt Technol Biomed Life Sci. 2012 Feb 1;883-884:113-9.
• Grenz A, Bauerle JD, Dalton JH, Ridyard D, Badulak A, Tak E,1 McNamee EN, Clambey E, Moldovan R, Reyes G, Klawitter J, Ambler K, Magee K, Christians U, Brodsky KS, Ravid K, Choi D-S, Wen J, Lukashev D, Blackburn MR, Osswald H, Coe IR, Nürnberg B, Haase VH, Xia Y, Sitkovsky M, Eltzschig HK, Equilibrative nucleoside transporter ENT1 regulates post-ischemic blood-flow during acute kidney injury in mice. J Clin Invest. 2012 Feb 1;122(2):693-710.
• Klawitter J, Klawitter J, Agardi E, Corby K, Leibfritz D, Lowes BD, Christians U, Seres T. Association of DJ-1/PTEN/AKT- and ASK1/p38-mediated cell signaling with ischaemic cardiomyopathy. Cardiovasc Res. 2013 Jan 1;97(1):66-76.
• Klawitter J, Klawitter J, Schmitz V, Brunner N, Crunk A, Corby K, Bendrick-Peart J, Leibfritz D, Edelstein CL, Thurman JM, Christians U. Low-salt diet and cyclosporine nephrotoxicity: changes in kidney cell metabolism. J Proteome Res. 2012 Nov 2;11(11):5135-44
• Bohra R, Schöning W, Klawitter J, Brunner N, Schmitz V, Shokati T, Lawrence R, Arbelaez MF, Schniedewind B, Christians U, Klawitter J. Everolimus and sirolimus in combination with cyclosporine have different effects on renal metabolism in the rat. PLoS One. 2012;7(10):e48063
• 15. Klawitter J, Haschke M, Shokati T, Klawitter J, Christians U. Quantification of 15-F(2t)-isoprostane in human plasma and urine: results from enzyme-linked immunoassay and liquid chromatography/tandem mass spectrometry cannot be compared. Rapid Commun Mass Spectrom 2011 Feb 28;25(4):463-8.
• 16. Strom T, Shokati T, Klawitter J, Klawitter J, Hoffman K, Schiebel H, Christians U, Structural identification of SAR-943 metabolites generated by human liver microsomes in vitro using mass spectrometry in combination with analysis of fragmentation patterns. J Mass Spectrom. 2011 Jul;46(7):615-24.
• 17. Christians U, Klawitter J, Klawitter J, Brunner N, Schmitz V. Biomarkers of immunosuppressant organ toxicity after transplantation - status, concepts and misconceptions, 2010 Expert Opinion On Drug Metabolism & Toxicology Expert Opin Drug Metab Toxicol 2011, Feb;7(2):175-200.
• 18. Christians U, Klawitter J, Hornberger A, Klawitter J. How unbiased is non-targeted Metabolomics and is targeted pathway screening the solution? Curr Pharm Biotechnol. 2011 Jul 1; 12(7): 1053-66.
• 19. Klawitter J, Klawitter J, Gurshtein J, Corby K, Fong S, Tagliaferri M, Quattrochi Li, Cohen I, Shtivelman E, Christians U. Bezielle (BZL101)-induced oxidative stress damage followed by redistribution of metabolic fluxes in breast cancer cells: a combined proteomic and metabolomic study. Int J Cancer. 2011 Dec 15;129(12):2945-57.
• 16. Crunk A, Klawitter J, Rivard C, Schniedewind B, Christians U. HSP70 is a potential kidney dysfunction marker for the toxicodynamic therapeutic drug monitoring of calcineurin inhibitors. 12th International Congress of Therapeutic Drug Monitoring and Clinical Toxicology Stuttgart, Germany, October 2-6, 2011
• 17. Klawitter J, Klawitter J, Corby K, Schrier RW, Christians U, Reed-Gitomer B, Conchol M. Biomarkers of endothelial dysfunction and vascular inflammation in ADPKD. Renal Week, Philadelphia (PA), November 8-13, 2011
• 18. Klawitter J, Klawitter J, Corby K, Schrier RW, Christians U, Reed-Gitomer B, Conchol M. Oxidative stress and methylation cycle intermediates in ADPKD. Renal Week, Philadelphia (PA), November 8-13, 2011
• 19. Klawitter J, Klawitter J, Christians U, Edelstein C. Effects of lovastatin treatment on the metabolic distributions in the ADPKD rat kidney. Renal Week, Philadelphia (PA), November 8-13, 2011
• 10. Crunk A, Klawitter J, Rivard C, Schniedewind B, Christians U. HSP70 is a potential kidney dysfunction marker for the toxicodynamic therapeutic drug monitoring of calcineurin inhibitors. Ther Drug Monit 2011; 33: 533-534
• Biomarkers in Kidney Diseases (edited by Charles Edelstein), Elsevier 2010, „The role of metabolomics in the study of kidney diseases and in the development of diagnostic tools“, Pages 39-100, Christians U, Albuisson J, Klawitter J, Klawitter J.
• Biomarkers in Kidney Diseases (edited by Charles Edelstein), Elsevier 2010, „The role of proteomics in the study of kidney diseases and in the development of diagnostic tools“, Pages 101-176, Christians U, McCrery S, Klawitter J, Klawitter J.