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Friday, 14th, January 2022
Centre de recherche - Paris - Amphithéâtre Hélène Martel-Massignac (BDD)

The many roles of microglia in brain wiring : a developmental perspective

Microglia, the main resident immune cells of the brain, can undergo major cellular and transcriptomic changes, a remarkable feature observed during development, ageing and disease. Over the past decades, microglia were shown to key and diverse roles in brain wiring and their dysfunction has been linked to the etiology of almost all brain disorders, from neurodevelopment to neurodegeneration. Thus, grasping how and when microglia shape circuits is important for both neurobiologists and clinicians.

Our goal is to explore the contribution of microglia to early brain development, when these cells constitute a main glial population. Here, we will summarize published and unpublished work highlighting emerging roles of microglia in the developing brain, including a novel role in the maintenance of tissue integrity. We will discuss the implications for neurodevelopmental disorders and, more broadly, the interest of using normal development to decrypt the kaleidoscope of microglial activities and states.


Sonia Garel

Institut de Biologie de l’Ecole Normale Supérieure, INSERM U1024, CNRS UMR8197

Invited by

Nicolas Manel
Immunité et cancer (U932)

Institut Curie

Ana-Maria Lennon
Immunité et cancer (U932)

Institut Curie


Elodie Mieville

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After earning her PhD in Developmental Biology in University Paris 6 (France), Sonia Garel completed a post-doctoral stay at UCSF (San Francisco, USA). Subsequently, she became assistant professor at the IBENS. Since 2008, she is heading the team Brain Development and Plasticity. She is a recipient of the European Young Investigator Award (EURYI), the EMBO Young Investigator Program, the Antoine Lacassagne award and the ERC consolidator program.