The activation and regulation of β2 integrins in phagocytes and phagocytosis

H Sun, K Zhi, L Hu, Z Fan - Frontiers in Immunology, 2021 - frontiersin.org
Phagocytes, which include neutrophils, monocytes, macrophages, and dendritic cells,
protect the body by removing foreign particles, bacteria, and dead or dying cells. Phagocytic …

The immunological synapse as a pharmacological target

F Finetti, CT Baldari - Pharmacological Research, 2018 - Elsevier
The development of T cell mediated immunity relies on the assembly of a highly specialized
interface between T cell and antigen presenting cell (APC), known as the immunological …

Rap1 binding and a lipid-dependent helix in talin F1 domain promote integrin activation in tandem

AR Gingras, F Lagarrigue, MN Cuevas… - Journal of Cell …, 2019 - rupress.org
Rap1 GTPases bind effectors, such as RIAM, to enable talin1 to induce integrin activation. In
addition, Rap1 binds directly to the talin1 F0 domain (F0); however, this interaction makes a …

[HTML][HTML] Distinct integrin activation pathways for effector and regulatory T cell trafficking and function

H Sun, F Lagarrigue, H Wang, Z Fan… - Journal of Experimental …, 2021 - rupress.org
Distinct integrin activation pathways for effector and regulatory T cell trafficking and function |
Journal of Experimental Medicine | Rockefeller University Press Skip to Main Content …

Using mechanistic models for the clinical interpretation of complex genomic variation

M Peña-Chilet, M Esteban-Medina, MM Falco, K Rian… - Scientific reports, 2019 - nature.com
The sustained generation of genomic data in the last decade has increased the knowledge
on the causal mutations of a large number of diseases, especially for highly penetrant …

Molecular basis for autoinhibition of RIAM regulated by FAK in integrin activation

YC Chang, W Su, E Cho, H Zhang… - Proceedings of the …, 2019 - National Acad Sciences
RAP1-interacting adapter molecule (RIAM) mediates RAP1-induced integrin activation. The
RAS-association (RA) segment of the RA-PH module of RIAM interacts with GTP-bound …

The Connection Between Rap1 and Talin1 in the Activation of Integrins in Blood Cells

H Sun, F Lagarrigue, MH Ginsberg - Frontiers in Cell and …, 2022 - frontiersin.org
Integrins regulate the adhesion and migration of blood cells to ensure the proper positioning
of these cells in the environment. Integrins detect physical and chemical stimuli in the …

Direct binding of Rap1 to Talin1 and to MRL proteins promotes integrin activation in CD4+ T cells

F Lagarrigue, B Tan, Q Du, Z Fan… - The Journal of …, 2022 - journals.aai.org
Agonist-induced Rap1 GTP loading results in integrin activation involved in T cell trafficking
and functions. MRL proteins Rap1-interacting adapter molecule (RIAM) and lamellipodin …

The collagen matrix regulates the survival and function of pancreatic islets

Y Zhu, M Yang, W Xu, Y Zhang, L Pan, L Wang… - Endocrine, 2024 - Springer
The extracellular matrix (ECM) provides an appropriate microenvironment for many kinds of
cells, including pancreatic cells. Collagens are the most abundant components of the ECM …

Phostensin enables lymphocyte integrin activation and population of peripheral lymphoid organs

HS Lee, H Sun, F Lagarrigue, SHJ Kim… - Journal of Experimental …, 2022 - rupress.org
Rap1 GTPase drives assembly of the Mig-10/RIAM/Lamellipodin (MRL protein)–integrin–
talin (MIT) complex that enables integrin-dependent lymphocyte functions. Here we used …