Laboratory for Mucosal Immunity
Selected Peer-Reviewed Publications
Nakajima A, Vogelzang A, Maruya M, Miyajima M, Murata M, Son A, Kuwahara T, Tsuruyama T, Yamada S, Matsuura M, Nakase H, Peterson DA, Fagarasan S, Suzuki K. IgA regulates the composition and metabolic function of gut microbiota by promoting symbiosis between bacteria. J Exp Med. 215(8):2019-2034 (2018)
Miyajima M, Zhang B, Sugiura Y, Sonomura K, Guerrini MM, Tsutsui Y, Maruya M, Vogelzang A, Chamoto K, Honda K, Hikida T, Ito S, Qin H, Sanuki R, Suzuki K, Furukawa T, Ishihama Y, Matsuda F, Suematsu M, Honjo T, Fagarasan S. Metabolic shift induced by systemic activation of T cells in PD-1-deficient mice perturbs brain monoamines and emotional behavior. Nat Immunol. 18(12):1342-1352 (2017)
Chamoto K, Chowdhury PS, Kumar A, Sonomura K, Matsuda F, Fagarasan S, Honjo T. Mitochondrial activation chemicals synergize with surface receptor PD-1 blockade for T cell-dependent antitumor activity. Proc Natl Acad Sci U S A. 114(5):E761-E770 (2017)
Zhang B, Chikuma S, Hori S, Fagarasan S, Honjo T. Nonoverlapping roles of PD-1 and FoxP3 in maintaining immune tolerance in a novel autoimmune pancreatitis mouse model. Proc Natl Acad Sci U S A, 113(30):8490-5 (2016)
Sutherland DB, Suzuki K, Fagarasan S. Fostering of advanced mutualism with gut microbiota by Immunoglobulin A. Immunol Rev., 270(1), 20-31 (2016)
Kawamoto S, Kato ML, Maruya M, Suda W, Atarashi K, Doi Y., Yumi T, Qin H., Honda K., Okada T., Hattori M., Fagarasan S. Foxp3+ T cells regulate Immunoglobulin A selection and facilitate diversification of bacterial species responsible for immune homeostasis. Immunity. Jul 17 ;41(1):152-65 (2014).
Magri G, Miyajima M, Bascones S, Mortha A, Puga I, Cassis L, Barra CM, Comerma L, Chudnovskiy A, Gentile M, Llige D, Cols M, Serrano S, Arostegui JI, Juan M, Yague J, Merad M, Fagarasan S, Cerutti A. Innate immune cells integrate stromal and immune signals to enhance antibody production by splenic marginal zone B cells. Nat. Immunol. Apr;15(4):354-64 (2014).
Kawamoto S, Tran TH, Maruya M, Suzuki K, Doi Y, Tsutsui Y, Kato LM, Fagarasan S. The inhibitory receptor PD-1 regulates IgA selection and bacterial composition in the gut. Science 336, 485-9 (2012)
Okazaki T, Okazaki IM, Wang J, Sugiura D, Nakaki F, Yoshida T, Kato Y, Fagarasan S, Muramatsu M, Eto T, Hioki K, Honjo T. PD-1 and LAG-3 inhibitory co-receptors act synergistically to prevent autoimmunity in mice. J. Exp. Med., 208: 395-407 (2011).
Pubmed Link
Wei M, Shinkura R, Doi Y, Maruya M, Fagarasan S, Honjo T. Mice carrying a knock-in mutation of Aicda resulting in a defect in somatic hypermutation have impaired gut homeostasis and compromised mucosal defense. Nat. Immunol. 2011, 12:264-270.
Pubmed Link
Maruya M, Suzuki K, Fujimoto H, Miyajima M, Kanagawa O, Wakayama T, Fagarasan S. Vitamin A-dependent transcriptional activation of the nuclear factor of activated T cells c1 (NFATc1) is critical for the development and survival of B1 cells. Proc. Natl. Acad. Sci. U.S.A. 2011, 108:722-727.
Pubmed Link
Suzuki K, Maruya M, Kawamoto S, Stinik K, Kitamura H, Agace WW, Fagarasan S. The sensing of environmental stimuli by follicular dendritic cells promotes immunoglobulin A generarion in the gut. Immunity 2010, 33:71-83.
Pubmed Link
Fagarasan S, Kawamoto S, Kanagawa O, Suzuki K. Adaptive immune regulation in the gut: T cell-dependent and T cell-independent IgA synthesis. Annu. Rev. Immunol. 2010, 28:243-273.
Pubmed Link
Tran TH, Nakata M, Suzuki K, Begum NA, Shinkura R, Fagarasan S, Honjo T, Nagaoka H. B cell-specific and stimulation-responsive enhancers derepress Aicda by overcoming the effects of silencers. Nat. Immunol. 2010, 11:148-154.
Pubmed Link
Tsuji M, Komatsu N, Kawamoto S, Suzuki K, Kanagawa O, Honjo T, Hori S, Fagarasan S. Preferential generation of follicular B helper T (TFH) cells from Foxp3+ T cells in gut Peyer’s patches. Science 2009, 323:1488-1492.
Pubmed Link
Tsuji M, Suzuki K, Kitamura H, Maruya M, Kinoshita K, Ivaylo II, Itoh K, Littman DR, Fagarasan S. Requirement for Lymphoid tissue inducer cells in isolated follicle formation and T cell-independent immunoglobulin A generation in the gut. Immunity 2008, 29:261-271.
Pubmed Link
Ha SA, Tsuji M, Suzuki K, Meek B, Yasuda N, Kaisho T, Fagarasan S. Regulation of B1 cell migration by signals through Toll-like receptors. J Exp Med. 2006 Oct 30;203(11):2541-50.
Pubmed Link
Fagarasan S. Intestinal IgA synthesis: a primitive form of adaptive immunity that regulates microbial communities in the gut. Curr Top Microbiol Immunol. 308:137-53. 2006.
Suzuki K, Meek B, Doi Y, Honjo T, Fagarasan S. Two distinctive pathways for recruitment of naive and primed IgM+ B cells to the gut lamina propria. Proc Natl Acad Sci U.S.A 2005 Feb 15;102(7):2482-6.
Pubmed Link
Suzuki K, Meek B, Doi Y, Muramatsu M, Chiba T, Honjo T, Fagarasan S. Aberrant expansion of segmented filamentous bacteria in IgA-deficient gut. Proc Natl Acad Sci U S A. Feb 17;101(7):1981-6. 2004.
Fagarasan S, Honjo T. Intestinal IgA synthesis: regulation of front-line body defences. Nat Rev Immunol. Jan;3(1):63-72. 2003.
Fagarasan S, Muramatsu M, Suzuki K, Nagaoka H, Hiai H, Honjo T. Critical roles of activation-induced cytidine deaminase in the homeostasis of gut flora. Science. 2002 Nov 15;298(5597):1424-7. 2002.
Fagarasan S, Kinoshita K, Muramatsu M, Ikuta K, Honjo T. In situ class switching and differentiation to IgA-producing cells in the gut lamina propria. Nature. Oct 11;413(6856):639-43. 2001.
Muramatsu M, Kinoshita K, Fagarasan S, Yamada S, Shinkai Y, Honjo T. Class switch recombination and hypermutation require activation-induced cytidine deaminase (AID), a potential RNA editing enzyme. Cell. Sep 1;102(5):553-63. 2000.
Fagarasan S, Shinkura R, Kamata T, Nogaki F, Ikuta K, Tashiro K, Honjo T. Alymphoplasia (aly)-type nuclear factor kappaB-inducing kinase (NIK) causes defects in secondary lymphoid tissue chemokine receptor signaling and homing of peritoneal cells to the gut-associated lymphatic tissue system. J Exp Med. May 1;191(9):1477-86. 2000.
Book chapters
Suzuki K., Maruya M., Kawamoto S., Fagarasan S. Roles of B-1 and B-2 cells in innate and acquired IgA mediated immunity. Clinical Mucosal Immunology, H. Kiyono, editor. Synergy International, Tokyo 2010, 281-292.