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  2. Averil Ma, MD
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513 Parnassus Avenue, Rm 1057A UCSF Box 0538 San Francisco, CA 94117

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Averil Ma, MD

Education
1989 - Gastroenterology, Columbia Medical School
1987 - Internal Medicine, Massachusetts General Hospital
M.D., 1984 - , Columbia Medical School
A.B., 1980 - Biochemistry, Harvard College
Honors and Awards
  • Chair, NIH CMI-A study section, 2010-2012
  • Chief, UCSF Division of Gastroenterology, 2010
  • Elected, Association of American Physicians (AAAP), 2009
  • Founding Chair, KRF Scientific Advisory Board, 2009
  • AGA/GRG Young Investigator Award, 2001
  • Elected, American Society for Clinical Investigation (ASCI), 2001
  • Cancer Research Institute Scholar, 1997
  • James McDonnell Scholar, 1989
Websites
  • Profile at UCSF Cancer Center
Publications
  1. Razani B, Chandran V, de Vlam K, Liao W, Malynn BA, Ma A. A New Mouse Model of Psoriatic Arthritis. The Journal of rheumatology 2025. PMID: 40816731


  2. Bowman CJ, Stibor DM, Sun X, Lenci N, Shimizu H, Yamashita EF, Advincula R, Kim MC, Turnbaugh JA, Sun Y, Razani B, Turnbaugh PJ, Ye CJ, Malynn BA, Ma A. A20's linear ubiquitin-binding motif restrains pathogenic activation of Th17 cells and IL-22-driven enteritis. The Journal of clinical investigation 2025. PMID: 40892518


  3. Tobias R, Kumar S, Liu J, Lenci N, Gharabi A, Stibor D, Advincula R, Achacoso P, Huang ZM, Bowman C, Ricardo-Gonzalez R, Nakamura MC, Liao W, Malynn BA, Ma A, Razani B. Unrestrained MyD88 Signaling in A20-Deficient Keratinocytes Triggers T-Cell-Dependent Psoriatic Arthritis-Like Disease. The Journal of investigative dermatology 2025. PMID: 40316204


  4. Watakabe K, Miyoshi M, Kakinuma S, Sato A, Tsuchiya J, Shimizu T, Mochida T, Inada K, Kaneko S, Kawai-Kitahata F, Murakawa M, Nitta S, Nakagawa M, Oshima S, Watanabe M, Ma A, Asahina Y, Okamoto R. A20 in hepatic stellate cells suppresses chronic hepatitis by inhibiting DCLK1-JNK pathway-dependent chemokines. FASEB journal : official publication of the Federation of American Societies for Experimental Biology 2024. PMID: 38965999


  5. Ma A. Pathways from Immune Profiling to Therapies for Rare Diseases. . 2021. PMID: 35590128


  6. Razani B, Malynn BA, Ma A. Preserving immune homeostasis with A20. Advances in immunology 2020. PMID: 33190732


  7. Razani B, Whang MI, Kim FS, Nakamura MC, Sun X, Advincula R, Turnbaugh JA, Pendse M, Tanbun P, Achacoso P, Turnbaugh PJ, Malynn BA, Ma A. Non-catalytic ubiquitin binding by A20 prevents psoriatic arthritis-like disease and inflammation. Nature immunology 2020. PMID: 32205880


  8. Malynn BA, Ma A. A20: A multifunctional tool for regulating immunity and preventing disease. Cellular immunology 2019. PMID: 31030956


  9. Kattah MG, Shao L, Rosli YY, Shimizu H, Whang MI, Advincula R, Achacoso P, Shah S, Duong BH, Onizawa M, Tanbun P, Malynn BA, Ma A. A20 and ABIN-1 synergistically preserve intestinal epithelial cell survival. The Journal of experimental medicine 2018. PMID: 29930103


  10. Chitre AS, Kattah MG, Rosli YY, Pao M, Deswal M, Deeks SG, Hunt PW, Abdel-Mohsen M, Montaner LJ, Kim CC, Ma A, Somsouk M, McCune JM. A20 upregulation during treated HIV disease is associated with intestinal epithelial cell recovery and function. PLoS pathogens 2018. PMID: 29505600


  11. Kattah MG, Malynn BA, Ma A. Ubiquitin-Modifying Enzymes and Regulation of the Inflammasome. Journal of molecular biology 2017. PMID: 29031697


  12. Whang MI, Tavares RM, Benjamin DI, Kattah MG, Advincula R, Nomura DK, Debnath J, Malynn BA, Ma A. The Ubiquitin Binding Protein TAX1BP1 Mediates Autophagasome Induction and the Metabolic Transition of Activated T Cells. Immunity 2017. PMID: 28314591


  13. Onizawa M, Oshima S, Schulze-Topphoff U, Oses-Prieto JA, Lu T, Tavares R, Prodhomme T, Duong B, Whang MI, Advincula R, Agelidis A, Barrera J, Wu H, Burlingame A, Malynn BA, Zamvil SS, Ma A. The ubiquitin-modifying enzyme A20 restricts ubiquitination of the kinase RIPK3 and protects cells from necroptosis. Nature immunology 2015. PMID: 25939025


  14. Duong BH, Onizawa M, Oses-Prieto JA, Advincula R, Burlingame A, Malynn BA, Ma A. A20 restricts ubiquitination of pro-interleukin-1ß protein complexes and suppresses NLRP3 inflammasome activity. Immunity 2015. PMID: 25607459


  15. Shao L, Oshima S, Duong B, Advincula R, Barrera J, Malynn BA, Ma A. A20 restricts wnt signaling in intestinal epithelial cells and suppresses colon carcinogenesis. PloS one 2013. PMID: 23671587


  16. Lu TT, Onizawa M, Hammer GE, Turer EE, Yin Q, Damko E, Agelidis A, Shifrin N, Advincula R, Barrera J, Malynn BA, Wu H, Ma A. Dimerization and ubiquitin mediated recruitment of A20, a complex deubiquitinating enzyme. Immunity 2013. PMID: 23602765


  17. Ma AI. The ubiquitous nature of IL-17. Nature immunology 2012. PMID: 23080197


  18. Ma A, Malynn BA. A20: linking a complex regulator of ubiquitylation to immunity and human disease. Nature reviews. Immunology 2012. PMID: 23059429


  19. Tokunaga F, Nishimasu H, Ishitani R, Goto E, Noguchi T, Mio K, Kamei K, Ma A, Iwai K, Nureki O. Specific recognition of linear polyubiquitin by A20 zinc finger 7 is involved in NF-?B regulation. The EMBO journal 2012. PMID: 23032187


  20. Skaug B, Chen J, Du F, He J, Ma A, Chen ZJ. Direct, noncatalytic mechanism of IKK inhibition by A20. Molecular cell 2011. PMID: 22099304


  21. Hammer GE, Turer EE, Taylor KE, Fang CJ, Advincula R, Oshima S, Barrera J, Huang EJ, Hou B, Malynn BA, Reizis B, DeFranco A, Criswell LA, Nakamura MC, Ma A. Expression of A20 by dendritic cells preserves immune homeostasis and prevents colitis and spondyloarthritis. Nature immunology 2011. PMID: 22019834


  22. Malynn BA, Ma A. Ubiquitin makes its mark on immune regulation. Immunity 2010. PMID: 21168777


  23. Tavares RM, Turer EE, Liu CL, Advincula R, Scapini P, Rhee L, Barrera J, Lowell CA, Utz PJ, Malynn BA, Ma A. The ubiquitin modifying enzyme A20 restricts B cell survival and prevents autoimmunity. Immunity 2010. PMID: 20705491


  24. Shembade N, Ma A, Harhaj EW. Inhibition of NF-kappaB signaling by A20 through disruption of ubiquitin enzyme complexes. Science (New York, N.Y.) 2010. PMID: 20185725


  25. Ashida H, Kim M, Schmidt-Supprian M, Ma A, Ogawa M, Sasakawa C. A bacterial E3 ubiquitin ligase IpaH9.8 targets NEMO/IKKgamma to dampen the host NF-kappaB-mediated inflammatory response. Nature cell biology 2009. PMID: 20010814


  26. Mortier E, Advincula R, Kim L, Chmura S, Barrera J, Reizis B, Malynn BA, Ma A. Macrophage- and dendritic-cell-derived interleukin-15 receptor alpha supports homeostasis of distinct CD8+ T cell subsets. Immunity 2009. PMID: 19913445


  27. Oshima S, Turer EE, Callahan JA, Chai S, Advincula R, Barrera J, Shifrin N, Lee B, Benedict Yen TS, Yen B, Woo T, Malynn BA, Ma A. ABIN-1 is a ubiquitin sensor that restricts cell death and sustains embryonic development. Nature 2008. PMID: 19060883


  28. Musone SL, Taylor KE, Lu TT, Nititham J, Ferreira RC, Ortmann W, Shifrin N, Petri MA, Kamboh MI, Manzi S, Seldin MF, Gregersen PK, Behrens TW, Ma A, Kwok PY, Criswell LA. Multiple polymorphisms in the TNFAIP3 region are independently associated with systemic lupus erythematosus. Nature genetics 2008. PMID: 19165919


  29. Hitotsumatsu O, Ahmad RC, Tavares R, Wang M, Philpott D, Turer EE, Lee BL, Shiffin N, Advincula R, Malynn BA, Werts C, Ma A. The ubiquitin-editing enzyme A20 restricts nucleotide-binding oligomerization domain containing 2-triggered signals. Immunity 2008. PMID: 18342009


  30. Turer EE, Tavares RM, Mortier E, Hitotsumatsu O, Advincula R, Lee B, Shifrin N, Malynn BA, Ma A. Homeostatic MyD88-dependent signals cause lethal inflamMation in the absence of A20. The Journal of experimental medicine 2008. PMID: 18268035


  31. Boone DL, Turer EE, Lee EG, Ahmad RC, Wheeler MT, Tsui C, Hurley P, Chien M, Chai S, Hitotsumatsu O, McNally E, Pickart C, Ma A. The ubiquitin-modifying enzyme A20 is required for termination of Toll-like receptor responses. Nature immunology 2004. PMID: 15334086


  32. Wertz IE, O'Rourke KM, Zhou H, Eby M, Aravind L, Seshagiri S, Wu P, Wiesmann C, Baker R, Boone DL, Ma A, Koonin EV, Dixit VM. De-ubiquitination and ubiquitin ligase domains of A20 downregulate NF-kappaB signalling. Nature 2004. PMID: 15258597


  33. Lee EG, Boone DL, Chai S, Libby SL, Chien M, Lodolce JP, Ma A. Failure to regulate TNF-induced NF-kappaB and cell death responses in A20-deficient mice. Science (New York, N.Y.) 2000. PMID: 11009421


  34. Lodolce JP, Boone DL, Chai S, Swain RE, Dassopoulos T, Trettin S, Ma A. IL-15 receptor maintains lymphoid homeostasis by supporting lymphocyte homing and proliferation. Immunity 1998. PMID: 9846488


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