Preston Neff, PhD
Assistant Professor, Medicine-Allergy/Clinical Immunology

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Graduate School :
  • PhD, Colorado State University (2011)
Undergraduate School:
  • BS, Colorado State University (CO) (2007)
Department: Medicine-Allergy/Clinical Immunology

Professional Titles

  • Assistant Professor


  • Littlefield KM, Schneider JM, Neff CP, Soesanto V, Siebert JC, Nusbacher NM, Moreno-Huizar N, Cartwright IM, Armstrong AJS, Colgen SP, Lozupone CA, Palmer BE. Elevated inflammatory fecal immune factors in men who have sex with men with HIV associate with microbiome composition and gut barrier function. Front Immunol. 2022;13:1072720. PubMed PMID: 36605218
  • Littlefield KM, Watson RO, Schneider JM, Neff CP, Yamada E, Zhang M, Campbell TB, Falta MT, Jolley SE, Fontenot AP, Palmer BE. SARS-CoV-2-specific T cells associate with inflammation and reduced lung function in pulmonary post-acute sequalae of SARS-CoV-2. PLoS Pathog. 2022 May;18(5):e1010359. PubMed PMID: 35617421
  • Arnolds KL, Yamada E, Neff CP, Schneider JM, Palmer BE, Lozupone CA. Disruption of Genes Encoding Putative Zwitterionic Capsular Polysaccharides of Diverse Intestinal Bacteroides Reduces the Induction of Host Anti-Inflammatory Factors. Microb Ecol. 2022 May 21. [Epub ahead of print] PubMed PMID: 35596750
  • Neff CP, Atif SM, Logue EC, Siebert J, Görg C, Lavelle J, Fiorillo S, Twigg H, Campbell TB, Fontenot AP, Palmer BE. HIV Infection Is Associated with Loss of Anti-Inflammatory Alveolar Macrophages. J Immunol. 2020 Nov 1;205(9):2447-2455. PubMed PMID: 32929038
  • Coleman SL, Neff CP, Li SX, Armstrong AJS, Schneider JM, Sen S, Fennimore B, Campbell TB, Lozupone CA, Palmer BE. Can gut microbiota of men who have sex with men influence HIV transmission?. Gut Microbes. 2020 May 3;11(3):610-619. PubMed PMID: 32036739
  • Neff CP, Krueger O, Xiong K, Arif S, Nusbacher N, Schneider JM, Cunningham AW, Armstrong A, Li S, McCarter MD, Campbell TB, Lozupone CA, Palmer BE. Fecal Microbiota Composition Drives Immune Activation in HIV-infected Individuals. EBioMedicine. 2018 Apr;30:192-202. PubMed PMID: 29650491
  • Marchetti C, Swartzwelter B, Gamboni F, Neff CP, Richter K, Azam T, Carta S, Tengesdal I, Nemkov T, D'Alessandro A, Henry C, Jones GS, Goodrich SA, St Laurent JP, Jones TM, Scribner CL, Barrow RB, Altman RD, Skouras DB, Gattorno M, Grau V, Janciauskiene S, Rubartelli A, Joosten LAB, Dinarello CA. OLT1177, a ß-sulfonyl nitrile compound, safe in humans, inhibits the NLRP3 inflammasome and reverses the metabolic cost of inflammation. Proc Natl Acad Sci U S A. 2018 Feb 13;115(7):E1530-E1539. PubMed PMID: 29378952
  • Armstrong AJS, Shaffer M, Nusbacher NM, Griesmer C, Fiorillo S, Schneider JM, Preston Neff C, Li SX, Fontenot AP, Campbell T, Palmer BE, Lozupone CA. An exploration of Prevotella-rich microbiomes in HIV and men who have sex with men. Microbiome. 2018 Nov 5;6(1):198. PubMed PMID: 30396369
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Care Philosophy
My current interests are studying the effect of HIV on the immune system and its impact on enteric dysbiosis. My ultimate goal is to determine the mechanisms in which dysbiosis induces aberrant immune activation in order to develop therapeutic targets that alleviate chronic immune cell activation.

General Information

Graduate Schools:
  • PhD, Colorado State University (2011)
Undergraduate Schools:
  • BS, Colorado State University (CO) (2007)
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Department: Medicine-Allergy/Clinical Immunology
Contact Us
CU Anschutz
Fitzsimons Building

13001 East 17th Place
Campus Box C290
Aurora, CO 80045

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