Gerald W. Dryden, M.D., Ph.D., MSPH, M.Sc.

Gerald W. Dryden, M.D., MSPH, M.Sc.

Gerald W. Dryden, M.D., Ph.D., MSPH, M.Sc.

  • Professor of Medicine
  • Director, Inflammatory Bowel Disease Program
UofL Physicians Outpatient Center
401 East Chestnut Street, Ste. 310
Louisville, KY 40202

502-852-6991 - Academic Office
502-588-4600 - Patient Appointments


Clinical Expertise
Hepatology; Inflammatory Bowel Disease; Endoscopic Device Development


Board Certifications
  • American Board of Internal Medicine -
    Gastroenterology

 

Education and Training

  • Medical School: University of Kentucky
  • Residency: Naval Medical Center, Portsmouth, VA
  • Fellowship: Naval Medical Center, San Diego, CA
  • Ph.D.: University of Louisville
  • MSPH: University of Louisville

Featured Publications

  • Sriwastva MK, Teng Y, Mu J, Xu F, Kumar A, Sundaram K, Malhotra RK, Xu Q, Hood JL, Zhang L, Yan J, Merchant ML, Park JW, Dryden GW, Egilmez NK, Zhang HG. An extracellular vesicular mutant KRAS-associated protein complex promotes lung inflammation and tumor growth. J Extracell Vesicles. 2023 Feb;12(2):e12307. doi: 10.1002/jev2.12307. PMID: 36754903; PMCID: PMC9908562.
  • Sriwastva MK, Deng ZB, Wang B, Teng Y, Kumar A, Sundaram K, Mu J, Lei C, Dryden GW, Xu F, Zhang L, Yan J, Zhang X, Park JW, Merchant ML, Egilmez NK, Zhang HG. Exosome-like nanoparticles from Mulberry bark prevent DSS-induced colitis via the AhR/COPS8 pathway. EMBO Rep. 2022 Feb 3;23(3):e53365. doi: 10.15252/embr.202153365. Epub 2022 Jan 7. PMID: 34994476; PMCID: PMC8892346.
  • Sundaram K, Mu J, Kumar A, Behera J, Lei C, Sriwastva MK, Xu F, Dryden GW, Zhang L, Chen S, Yan J, Zhang X, Park JW, Merchant ML, Tyagi N, Teng Y, Zhang HG. Garlic exosome-like nanoparticles reverse high-fat diet induced obesity via the gut/brain axis. Theranostics. 2022 Jan 1;12(3):1220-1246. doi: 10.7150/thno.65427. PMID: 35154484; PMCID: PMC8771565.
  • Somineni HK, Nagpal S, Venkateswaran S, Cutler DJ, Okou DT, Haritunians T, Simpson CL, Begum F, Datta LW, Quiros AJ, Seminerio J, Mengesha E, Alexander JS, Baldassano RN, Dudley-Brown S, Cross RK, Dassopoulos T, Denson LA, Dhere TA, Iskandar H, Dryden GW, Hou JK, Hussain SZ, Hyams JS, Isaacs KL, Kader H, Kappelman MD, Katz J, Kellermayer R, Kuemmerle JF, Lazarev M, Li E, Mannon P, Moulton DE, Newberry RD, Patel AS, Pekow J, Saeed SA, Valentine JF, Wang MH, McCauley JL, Abreu MT, Jester T, Molle-Rios Z, Palle S, Scherl EJ, Kwon J, Rioux JD, Duerr RH, Silverberg MS, Zwick ME, Stevens C, Daly MJ, Cho JH, Gibson G, McGovern DPB, Brant SR, Kugathasan S. Whole-genome sequencing of African Americans implicates differential genetic architecture in inflammatory bowel disease. Am J Hum Genet. 2021 Mar 4;108(3):431-445. doi: 10.1016/j.ajhg.2021.02.001. Epub 2021 Feb 17. PMID: 33600772; PMCID: PMC8008495.
  • Kumar A, Ren Y, Sundaram K, Mu J, Sriwastva MK, Dryden GW, Lei C, Zhang L, Yan J, Zhang X, Park JW, Merchant ML, Teng Y, Zhang HG. miR-375 prevents high-fat diet-induced insulin resistance and obesity by targeting the aryl hydrocarbon receptor and bacterial tryptophanase (tnaA) gene. Theranostics. 2021 Feb 19;11(9):4061-4077. doi: 10.7150/thno.52558. PMID: 33754048; PMCID: PMC7977461.
  • Kumar A, Sundaram K, Mu J, Dryden GW, Sriwastva MK, Lei C, Zhang L, Qiu X, Xu F, Yan J, Zhang X, Park JW, Merchant ML, Bohler HCL, Wang B, Zhang S, Qin C, Xu Z, Han X, McClain CJ, Teng Y, Zhang HG. High-fat diet-induced upregulation of exosomal phosphatidylcholine contributes to insulin resistance. Nat Commun. 2021 Jan 11;12(1):213. doi: 10.1038/s41467-020-20500-w. PMID: 33431899; PMCID: PMC7801461.
  • Bhatti S, Jaafar I, Hassan H, Atassi H, Stocker A, Hughes M, Pinkston C, Dryden G, Abell T. Effects of Gastric Neuromodulation on Crohn's Disease in Patients With Coexisting Symptoms of Gastroparesis. Neuromodulation. 2020 Dec;23(8):1196-1200. doi: 10.1111/ner.13118. Epub 2020 Feb 18. PMID: 32072737.
  • Shen B, Kochhar G, Navaneethan U, Farraye FA, Schwartz DA, Iacucci M, Bernstein CN, Dryden G, Cross R, Bruining DH, Kobayashi T, Lukas M, Shergill A, Bortlik M, Lan N, Lukas M, Tang SJ, Kotze PG, Kiran RP, Dulai PS, El-Hachem S, Coelho-Prabhu N, Thakkar S, Mao R, Chen G, Zhang S, Suárez BG, Lama YG, Silverberg MS, Sandborn WJ. Practical guidelines on endoscopic treatment for Crohn's disease strictures: a consensus statement from the Global Interventional Inflammatory Bowel Disease Group. Lancet Gastroenterol Hepatol. 2020 Apr;5(4):393-405. doi: 10.1016/S2468-1253(19)30366-8. Epub 2020 Jan 16. PMID: 31954438.
  • Singh R, Chandrashekharappa S, Bodduluri SR, Baby BV, Hegde B, Kotla NG, Hiwale AA, Saiyed T, Patel P, Vijay-Kumar M, Langille MGI, Douglas GM, Cheng X, Rouchka EC, Waigel SJ, Dryden GW, Alatassi H, Zhang HG, Haribabu B, Vemula PK, Jala VR. Enhancement of the gut barrier integrity by a microbial metabolite through the Nrf2 pathway. Nat Commun. 2019 Jan 9;10(1):89. doi: 10.1038/s41467-018-07859-7. PMID: 30626868; PMCID: PMC6327034.
  • Liaquat H, Ashat M, Stocker A, McElmurray L, Beatty K, Abell TL, Dryden G. Clinical Efficacy of Serum-Derived Bovine Immunoglobulin in Patients With Refractory Inflammatory Bowel Disease. Am J Med Sci. 2018 Dec;356(6):531-536. doi: 10.1016/j.amjms.2018.08.019. Epub 2018 Sep 5. PMID: 30342719.