🇬🇧 Dissecting host-microbiota interactions across the immune system » Luxembourg Institute of Health
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🇬🇧 Dissecting host-microbiota interactions across the immune system: lessons from gnotobiotic mice and human monogenic disorders

24/11/2022 11:00 an 14:00
  • Lecture Series Infection & Immunity

Speaker

Dr Nadine
Cerf-Bensussan

Institut IMAGINE-INSERM 1163, Université Paris Cité, Paris, France

Abstract

„The gut microbiota has emerged as a key determinant of health and disease. The complexity of this community of microbes and the highly dynamic nature of the dialogue evolved with their hosts put however considerable challenges to identify key species and host mechanisms that are indispensable for building, maintaining or restoring a healthy relationship.

„In order to address these questions, our team has taken two approaches. The first one relies on the use of gnotobiotic mice colonized at chosen times by selected individual or complex microbiota in order to identify key species indispensable to drive the post-natal maturation of the gut immune barrier. I will show how our results have led to identify the role, in mice, of segmented filamentous bacteria (SFB). I will discuss the particular partnership evolved by these bacteria with their hosts in order to set up a physiological state of inflammation necessary to build a healthy gut barrier that can resist enteropathogens and protect against inflammation.

„A second approach is based on the genetic dissection of a cohort of individuals, mainly children, developing Mendelian diseases impairing the gut barrier. I will discuss how such analysis allows to hierarchize the mechanisms indispensable to cope with the gut microbiota and maintain homeostasis in the human distal gut.“


Responsible Scientist
Mahesh
Desai

LOCATION

Lycée Guillaume Kroll
d’Esch/Alzette
Room: Salle de Projection*

Opposite Luxembourg Institute of Health, House of BioHealth, 29, rue Henri Koch, l-4354 Esch-sur-Alzette

LECTURE: 11:00am – 12:15pm

MEET & EAT

12:45pm – 14:00pm – light lunch provided

House of BioHealth
Salle Françoise Barré Sinoussi
29, rue Henri Koch,
L-4354 Esch-sur-Alzette

Please note that registration is mandatory by sending an email to: carole.weis@lih.lu or michelle.roderes@lih.lu

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