| Profiles | School of Medicine | University of Colorado

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

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

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

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, 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, 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

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

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

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

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

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

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

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

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

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

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

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

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

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

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.

Jost Klawitter, PhD

Professor, Anesthesiology

Publications

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