User profiles for Marc-André Lécuyer

Marc-André Lécuyer

Institute for Neuroimmunology and Multiple Sclerosis Research
Verified email at mail.mcgill.ca
Cited by 1779

Neutrophils mediate blood–spinal cord barrier disruption in demyelinating neuroinflammatory diseases

…, H Kébir, R Gorina, MA Lécuyer… - The Journal of …, 2014 - journals.aai.org
Disruption of the blood–brain and blood–spinal cord barriers (BBB and BSCB, respectively)
and immune cell infiltration are early pathophysiological hallmarks of multiple sclerosis (MS)…

Role of ninjurin‐1 in the migration of myeloid cells to central nervous system inflammatory lesions

…, H Kebir, S Terouz, JI Alvarez, MA Lécuyer… - Annals of …, 2011 - Wiley Online Library
Objective: Blood‐derived myeloid antigen‐presenting cells (APCs) account for a significant
proportion of the leukocytes found within lesions of multiple sclerosis (MS) and experimental …

Myeloid cell transmigration across the CNS vasculature triggers IL-1β–driven neuroinflammation during autoimmune encephalomyelitis in mice

…, V Bellver-Landete, H Kébir, MA Lécuyer… - Journal of Experimental …, 2016 - rupress.org
Growing evidence supports a role for IL-1 in multiple sclerosis and experimental autoimmune
encephalomyelitis (EAE), but how it impacts neuroinflammation is poorly understood. We …

Dual role of ALCAM in neuroinflammation and blood–brain barrier homeostasis

MA Lécuyer, O Saint-Laurent… - Proceedings of the …, 2017 - National Acad Sciences
Activated leukocyte cell adhesion molecule (ALCAM) is a cell adhesion molecule found on
blood–brain barrier endothelial cells (BBB-ECs) that was previously shown to be involved in …

DICAM promotes TH17 lymphocyte trafficking across the blood-brain barrier during autoimmune neuroinflammation

…, L Bourbonnière, AP Fournier, MA Lécuyer… - Science Translational …, 2022 - science.org
The migration of circulating leukocytes into the central nervous system (CNS) is a key driver
of multiple sclerosis (MS) pathogenesis. The monoclonal antibody natalizumab proved that …

Melanoma cell adhesion molecule–positive CD 8 T lymphocytes mediate central nervous system inflammation

C Larochelle, MA Lécuyer, JI Alvarez… - Annals of …, 2015 - Wiley Online Library
Objective Although Tc17 lymphocytes are enriched in the central nervous system (CNS) of
multiple sclerosis (MS) subjects and of experimental autoimmune encephalomyelitis (EAE) …

IL-1β enables CNS access to CCR2hi monocytes and the generation of pathogenic cells through GM-CSF released by CNS endothelial cells

…, MA Lécuyer… - Proceedings of the …, 2018 - National Acad Sciences
Molecular interventions that limit pathogenic CNS inflammation are used to treat autoimmune
conditions such as multiple sclerosis (MS). Remarkably, IL-1β–knockout mice are highly …

[HTML][HTML] Glial influences on BBB functions and molecular players in immune cell trafficking

MA Lecuyer, H Kebir, A Prat - … et Biophysica Acta (BBA)-Molecular Basis of …, 2016 - Elsevier
The blood–brain barrier (BBB) constitutes an elaborate structure formed by specialized capillary
endothelial cells, which together with pericytes and perivascular glial cells regulates the …

Melanoma cell adhesion molecule identifies encephalitogenic T lymphocytes and promotes their recruitment to the central nervous system

…, R Cayrol, H Kebir, JI Alvarez, MA Lecuyer… - Brain, 2012 - academic.oup.com
In multiple sclerosis, encephalitogenic CD4 + lymphocytes require adhesion molecules to
accumulate into central nervous system inflammatory lesions. Using proteomic techniques, we …

Netrin 1 regulates blood–brain barrier function and neuroinflammation

…, S Larouche, S Terouz, JM Bin, MA Lecuyer… - Brain, 2015 - academic.oup.com
Blood–brain barrier function is driven by the influence of astrocyte-secreted factors. During
neuroinflammatory responses the blood–brain barrier is compromised resulting in central …