Macrophages impede CD8 T cells from reaching tumor cells and limit the efficacy of anti–PD-1 treatment

…, L Vimeux, V Feuillet, S Barrin… - Proceedings of the …, 2018 - National Acad Sciences
In a large proportion of cancer patients, CD8 T cells are excluded from the vicinity of cancer
cells. The inability of CD8 T cells to reach tumor cells is considered an important mechanism …

Tumor stiffening reversion through collagen crosslinking inhibition improves T cell migration and anti-PD-1 treatment

…, J Vaquero, L Vimeux, T Guilbert, S Barrin… - Elife, 2021 - elifesciences.org
Only a fraction of cancer patients benefits from immune checkpoint inhibitors. This may be
partly due to the dense extracellular matrix (ECM) that forms a barrier for T cells. Comparing …

CAR T-cell entry into tumor islets is a two-step process dependent on IFNγ and ICAM-1

C Kantari-Mimoun, S Barrin, L Vimeux, S Haghiri… - Cancer immunology …, 2021 - AACR
Sarah Barrin; Sarah Barrin … Chahrazade Kantari-Mimoun, Sarah Barrin, Lene Vimeux,
Sandrine Haghiri, Claire Gervais, Sandy Joaquina, Joerg Mittelstaet, Nadine Mockel-Tenbrinck, Ali …

Ex vivo imaging of resident CD8 T lymphocytes in human lung tumor slices using confocal microscopy

E Peranzoni, H Bougherara, S Barrin… - JoVE (Journal of …, 2017 - jove.com
CD8 T cell are key players in the fight against cancer. In order for CD8 T cells to kill tumor cells
they need to enter into the tumor, migrate within the tumor microenvironment and respond …

Neoadjuvant immune checkpoint inhibitors in cancer, current state of the art

O Le Saux, Y Lounici, P Wajda, S Barrin, C Caux… - Critical Reviews in …, 2021 - Elsevier
Immunotherapy has been a revolution in cancer management in the metastatic setting. This
has led to a prompt evaluation of such therapies in earlier stages. This article discusses the …

Live Imaging of CAR T Cell Ca2+ Signals in Tumor Slices Using Confocal Microscopy

D Espie, S Barrin, I Rajnpreht, L Vimeux… - The Immune Synapse …, 2023 - Springer
The immune synapse is a key structure organizing T-cell activation against foreign entities,
such as cancer cells expressing neoantigens. One crucial step in this activation cascade is …

[HTML][HTML] Heterogeneity and Functions of Tumor-Infiltrating Antibody Secreting Cells: Lessons from Breast, Ovarian, and Other Solid Cancers

Y Lounici, O Le Saux, G Chemin, P Wajda, S Barrin… - Cancers, 2022 - mdpi.com
Simple Summary B cells are gaining increasing recognition as important contributors to the
tumor microenvironment, influencing, positively or negatively, tumor growth, patient survival, …

Spatial architecture of CD8+ T cells and DC subsets is critical for the response to immune checkpoint inhibitors in melanoma

…, A Eberhardt, L Hermet, D Li, P Duplouye, S Barrin… - bioRxiv, 2024 - biorxiv.org
Background: Dendritic cells (DCs) are promising targets for cancer immunotherapies owing
to their central role in the initiation and the control of immune responses. Their functions …

Extracellular Release of Antigen by Dendritic Cell Regurgitation Promotes B Cell Activation through NF-κB/cRel

H El-Barbry, M Capitao, S Barrin, S Amziani… - The Journal of …, 2020 - journals.aai.org
Dendritic cells (DCs) are professional APCs, which sample Ags in the periphery and migrate
to the lymph node where they activate T cells. DCs can also present native Ag to B cells …

Immune landscape and TAM density in endometrial cancer: implications for immune checkpoint inhibitors efficacy

…, JS Frénel, C Abdeddaim, J Berthet, S Barrin… - 2024 - researchsquare.com
Background Although immune checkpoint inhibitors (ICI) have demonstrated their efficacy
in endometrial cancer (EC), mismatch repair deficient/microsatellite instability high (MMRd/MSI…