Position
Associate Professor, Department of Microbiology and Immunology, Department of Medicine, McGill University
Canada Research Chair in Barrier Immunity
Director, McGill Centre for Microbiome Research
Research Interests
The focus of our research is to understand how immune cells communicate with their local environment to promote protective immune responses relevant to human disease. We are particularly interested in immunity at barrier sites such as the gut, skin and lung as these tissues face the complex task of maintaining homeostasis while directly interacting with the outside world.
Ongoing studies include:
- The molecular mechanisms of CD4+ T cell differentiation following intestinal helminth infection.
- The gut-lung axis in the context of infectious disease
- Innate immune mechanisms of disease tolerance during intestinal helminth infection.
- Regulation of skin-resident IL-17-producing T cells in the context of psoriatic-like inflammation.
- The impact of the microbiome on infection and inflammatory bowel diseases.
Check out this link to find out why parasites may be critical for human evolution!
This link describes how helminths can affect human fertility.
Featured Publications
Training the metaorganism: the microbial counterpart
King IL, Divangahi M. Cell. 2021 Jan;184(3):574-576.
NK cell recruitment limits tissue damage during an enteric helminth infection
Gentile ME, Li Y, Robertson A, Shah K, Fontes G, Kaufmann E, Polese B, Khan N, Parisien M, Munter HM, Mandl JN, Diatchenko L, Divangahi M, King IL. Mucosal Immunol. 2020 Mar;13(2):357-370.
CD109 Restrains Activation of Cutaneous IL-17-Producing γδ T Cells by Commensal Microbiota
Zhang H, Carnevale G, Polese B, Simard M, Thurairajah B, Khan N, Gentile ME, Fontes G, Vinh DC, Pouliot R and King IL. Cell Reports. 2019 Oct 8;29(2):391-405.
Intestinal dysbiosis compromises alveolar macrophage immunity to Mycobacterium tuberculosis
Khan N, Mendonca L, Dhariwal A, Fontes G, Menzies D, Xia J, Divangahi M, King IL. Mucosal Immunol. 2019 May;12(3):772-783.
T follicular helper cell-derived IL-4 is required for IgE production during intestinal helminth infection
Meli AP, Fontes G, Leung Soo C, King IL. J Immunol. 2017 Jul 1;199(1):244-252.
The integrin LFA-1 Controls T follicular Helper Cell Generation and Maintenance
Meli AP, Fontés G, Avery DT, Leddon SA, Tam M, Elliot M, Ballesteros-Tato A, Miller J, Stevenson MM, Fowell DJ, Tangye SG, King IL. Immunity. 2016 Oct 18;45(4):831-846.
Irah King in the News

Health Matters: Microbiome and TB Elimination in Quebec
MUHC Foundation Health Matters interview Irah King about our microbiome and Kevin Schwartzman about eliminating TB

Health Matters: Best of Health Matters: Excellence in research and innovation
Irah King and Ben Smith talk about the microbiome and resilient lungs, respectively on the MUHC Health Matters Podcast

Infection and Immunity Week Awards
Congratulations to Bavanitha Thurairajah and Lisa Hennemann! They received prizes for best oral talks during Infection and Immunity Week .

5 CIHR Project Grants Awarded!
Congratulations to Dao Nguyen, Irah King, Nicole Ezer, Andrea Benedetti and Dennis Jensen on their CIHR Project Grants!

Health Matters: Our Microbiome Is Key
Dr. Irah King describes the role our microbiome plays in our overall health on the MUHC Foundation’s Health Matters.

RI-MUHC Gnotobiotic Research Platform
The RI-MUHC Gnotobiotic Research Platform is now open under the leadership of Dr. Irah King of the Meakins-Christie Labs.

Allergic Disease on the Rise
Increasing rate of allergic asthma looked at by McGill researchers, including Dr. Irah King.

COVID-19 and Disease Tolerance
Dr. Irah King discusses disease tolerance in light of the recent COVID-19 pandemic and why some weather the infection unscathed

Covid-19 in the gastrointestinal tract
Journalist Alexandre Touchette speaks with Dr. Irah King on COVID-19 GI symptoms.

Meakins faculty delegation to Braunschweig
Meakins faculty visit the Helmholtz Centre for Infection Research in Braunschweig

MI4 Gnotobiotic Animal Research Platform
Dr. Irah King announces the launch phase for the MI4 Gnotobiotic Animal Research Platform

Quebec Microbiome Research Symposium
Dr. Irah King organized the first Quebec Microbiome Research Symposium
Contact Information
Meakins-Christie Laboratories
RI-MUHC, Block E
Office EM2.2232
Lab E02.41264
1001 Decarie Blvd.
Montreal QC H4A 3J1
Canada
Tel: 514-934-1934 Ext. 35260 (lab)
Tel: 514-934-1934 Ext. 76185 (office)
Tel: 514-934-1934 Ext. 76172 (admin)
Fax: 514-933-3962
E-Mail: irah.king [at] mcgill.ca
Education & Training
BA (Psychology), Ohio University, 2000
MSc (Physical Therapy), U Pittsburgh, 2002
PhD (Immunology), U Rochester, 2008
PDF Trudeau Institute, 2012