IforR.WilliamsMD

Pathology • Atlanta, GA

Transplantation Immunology, Anatomic Pathology, Clinical Pathology

Professor, Pathology & Laboratory Medicine, Emory University School of Medicine

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Office
615 Michael St NE
Whitehead Biomedical Research Bldg., Rm. 105-D
Atlanta, GA 30322
Phone+1 404-727-8547

Fax+1 404-727-8538
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Education & Training

Washington University/B-JH/SLCH ConsortiumResidency, Pathology-Anatomic and Clinical, 1986 - 1991
Emory University School of MedicineClass of 1986

Certifications & Licensure

MD State Medical License 2023 - 2025
GA State Medical License 1997 - 2019
American Board of Pathology Anatomic Pathology

Publications & Presentations

PubMed

84 citations
Acetate differentially regulates IgA reactivity to commensal bacteria.
Tadashi Takeuchi, Eiji Miyauchi, Takashi Kanaya, Tamotsu Kato, Yumiko Nakanishi, Takashi Watanabe, Toshimori Kitami, Takashi Taida, Takaharu Sasaki, Negishi Hiroki, Sh...> ;Nature. 2021 Jul 14
1 citations
Correction to: Intestinal M cells: Tireless samplers of enteric microbiota.
Takashi Kanaya, Ifor R. Williams, Hiroshi Ohno> ;Traffic. 2020 Sep 1
19 citations
Intestinal M cells: Tireless samplers of enteric microbiota.
Takashi Kanaya, Ifor R. Williams, Hiroshi Ohno> ;Traffic. 2020 Jan 1
53 citations
Development of intestinal M cells and follicle-associated epithelium is regulated by TRAF6-mediated NF-κB signaling.
Takashi Kanaya, Sayuri Sakakibara, Toshi Jinnohara, Masami Hachisuka, Naoko Tachibana, Shinya Hidano, Takashi Kobayashi, Shunsuke Kimura, Toshihiko Iwanaga, Tomoo Naka...> ;The Journal of Experimental Medicine. 2018 Feb 5
37 citations
NALT M cells are important for immune induction for the common mucosal immune system.
Yasuhiro Date, Masashi Ebisawa, Shinji Fukuda, Hideaki Shima, Yuuki Obata, Daisuke Takahashi, Tamotsu Kato, Misaho Hanazato, Gaku Nakato, Ifor R. Williams, Koji Hase, ...> ;International Immunology. 2017 Dec 18
10 citations
CCR6 promotes steady-state mononuclear phagocyte association with the intestinal epithelium, imprinting and immune surveillance.
Keely G. McDonald, Leroy W. Wheeler, Jeremiah R. McDole, Shannon Joerger, Jenny K. Gustafsson, Devesha H. Kulkarni, Kathryn A. Knoop, Ifor R. Williams, Mark J. Miller,...> ;Immunology. 2017 Aug 30
44 citations
IL-22BP dictates characteristics of Peyer's patch follicle-associated epithelium for antigen uptake
Toshi Jinnohara, Takashi Kanaya, Koji Hase, Sayuri Sakakibara, Tamotsu Kato, Naoko Tachibana, Takaharu Sasaki, Yusuke Hashimoto, Toshiro Sato, Hiroshi Watarai, Jun Kun...> ;The Journal of Experimental Medicine. 2017 Jun 5
93 citations
Dynamics of SIV-specific CXCR5+ CD8 T cells during chronic SIV infection.
Geetha H. Mylvaganam, Daniel Rios, Hadia M. Abdelaal, Smita S. Iyer, Gregory K. Tharp, Maud Mavigner, Sakeenah L. Hicks, Ann Chahroudi, Rafi Ahmed, Steven E. Bosinger,...> ;Proceedings of the National Academy of Sciences of the United States of America. 2017 Feb 21
28 citations
Increased Abundance of M Cells in the Gut Epithelium Dramatically Enhances Oral Prion Disease Susceptibility
David S. Donaldson, Anuj Sehgal, Daniel Rios, Ifor R. Williams, Neil A. Mabbott> ;Plos Pathogens. 2016 Dec 14
48 citations
TNF-α Augments RANKL-Dependent Intestinal M Cell Differentiation in Enteroid Cultures
Megan Beers Wood, Daniel Rios, Ifor R. Williams> ;American Journal of Physiology. Cell Physiology. 2016 Sep 1
157 citations
Antigen sampling by intestinal M cells is the principal pathway initiating mucosal IgA production to commensal enteric bacteria
Daniel Rios, M B Wood, Jau-Yi Li, Benoit Chassaing, Andrew T. Gewirtz, Ifor R. Williams> ;Mucosal Immunology. 2016 Jul 1
3 citations
M-Cells Contribute to the Entry of an Oral Vaccine but Are Not Essential for the Subsequent Induction of Protective Immunity against Francisella tularensis.
Aimee L. Cunningham, M. Neal Guentzel, Jieh Juen Yu, Chiung Yu Hung, Thomas G. Forsthuber, Christopher S. Navara, Hideo Yagita, Ifor R. Williams, Karl E. Klose, Tonyia...> ;Plos One. 2016 Apr 21
3 citations
Characterization and application of two RANK-specific antibodies with different biological activities.
Melanie Chypre, Jonathan Seaman, Olga G. Cordeiro, Laure Willen, Kathryn A. Knoop, Andrew Buchanan, Richard C.A. Sainson, Ifor R. Williams, Hideo Yagita, Pascal Schnei...> ;Immunology Letters. 2016 Mar 1
54 citations
Role of T-cell reconstitution in HIV-1 antiretroviral therapy-induced bone loss
Ighovwerha Ofotokun, Kehmia Titanji, Tatyana Vikulina, Susanne Roser-Page, Masayoshi Yamaguchi, Majd Zayzafoon, Ifor R. Williams, M. Neale Weitzmann> ;Nature Communications. 2015 Sep 22
59 citations
An endogenous nanomineral chaperones luminal antigen and peptidoglycan to intestinal immune cells
Jonathan J. Powell, Emma Thomas-Mckay, Vinay Thoree, Jack Robertson, Rachel E. Hewitt, Jeremy N. Skepper, Andy Brown, Juan C. Hernández-Garrido, Paul A. Midgley, I. Go...> ;Nature Nanotechnology. 2015 Mar 9
Quality of life assessment among HIV-positive persons entering the INSIGHT Strategic Timing of AntiRetroviral Treatment (START) trial.
Lifson, A.,Grandits, G.,Gardner, E.,Wolff, M.,Pulik, P.,Williams, I.,Burman, W.> ;HIV Med.. 2015 Feb 26
158 citations
Prevention and cure of rotavirus infection via TLR5/NLRC4–mediated production of IL-22 and IL-18
Benyue Zhang, Benoit Chassaing, Zhenda Shi, Robin Uchiyama, Zhan Zhang, Timothy L. Denning, Sue E. Crawford, Andrea J. Pruijssers, Jason A. Iskarpatyoti, Mary K. Estes...> ;Science. 2014 Nov 14
71 citations
Efficient Norovirus and Reovirus Replication in the Mouse Intestine Requires Microfold (M) Cells
Mariam B. Gonzalez-Hernandez, Thomas M. Liu, Hilary C. Payne, Jennifer E. Stencel-Baerenwald, Mine R. Ikizler, Hideo Yagita, Terence S. Dermody, Ifor R. Williams, Chri...> ;Journal of Virology. 2014 Jun 15
8 citations
Altered inflammatory responses to Citrobacter rodentium infection, but not bacterial lipopolysaccharide, in mice lacking the Cyp4a10 or Cyp4a14 genes
Beatrice A. Nyagode, Ifor R. Williams, Edward T. Morgan> ;Inflammation. 2014 Jan 12
409 citations
Microfold (M) cells: important immunosurveillance posts in the intestinal epithelium
Neil A. Mabbott, David S. Donaldson, Hiroshi Ohno, Ifor R. Williams, Arvind Mahajan> ;Mucosal Immunology. 2013 May 22
57 citations
The functional maturation of M cells is dramatically reduced in the Peyer’s patches of aged mice
Atsushi Kobayashi, David S. Donaldson, Clett Erridge, Takashi Kanaya, Ifor R. Williams, Hiroshi Ohno, Arvind Mahajan, Neil A. Mabbott> ;Mucosal Immunology. 2013 Jan 30
39 citations
Ectopic lymphoid tissue alters the chemokine gradient, increases lymphocyte retention and exacerbates murine ileitis
Eóin N. McNamee, Joanne C. Masterson, Paul Jedlicka, Colm B. Collins, Ifor R. Williams, Jesus Rivera-Nieves> ;Gut. 2013 Jan 1
9 citations
M cell differentiation: distinct lineage or phenotypic transition? Salmonella provides answers.
Hiroshi Ohno, Takashi Kanaya, Ifor R. Williams> ;Cell Host & Microbe. 2012 Nov 15
17 citations
Identification of Novel Genes Selectively Expressed in the Follicle-Associated Epithelium from the Meta-Analysis of Transcriptomics Data from Multiple Mouse Cell and T...
Atsushi Kobayashi, David S. Donaldson, Takashi Kanaya, Shinji Fukuda, J Kenneth Baillie, Tom C. Freeman, Hiroshi Ohno, Ifor R. Williams, Neil A. Mabbott> ;DNA Research. 2012 Oct 1
140 citations
The Ets transcription factor Spi-B is essential for the differentiation of intestinal microfold cells.
Takashi Kanaya, Koji Hase, Daisuke Takahashi, Shinji Fukuda, Katsuaki Hoshino, Izumi Sasaki, Hiroaki Hemmi, Kathryn A. Knoop, Nachiket Kumar, Mayuko Sato, Tatsuro Kats...> ;Nature Immunology. 2012 Aug 1
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Grant Support

Regulation Of Organized Intestinal Lymphoid Tissues By TRANCE/RANKLNational Institute Of Diabetes And Digestive And Kidney Diseases2009–2012
CCR6 Regulation Of Intestinal T Lymphocyte DevelopmentNational Institute Of Diabetes And Digestive And Kidney Diseases2004–2007
Antigen Presentation And Costimulation By KeratinocytesNational Institute Of Arthritis And Musculoskeletal And Skin Diseases1997–2000
Antigen Presentation And Costimulation By KeratinocytesNational Institute Of Arthritis And Musculoskeletal And Skin Diseases1996–1997

Hospital Affiliations

Emory University HospitalAtlanta, Georgia
Southern Regional Medical CenterRiverdale, Georgia