[HTML][HTML] Efferocytosis requires periphagosomal Ca2+-signaling and TRPM7-mediated electrical activity

MS Schappe, ME Stremska, GW Busey… - Nature …, 2022 - nature.com
Efficient clearance of apoptotic cells by phagocytosis, also known as efferocytosis, is
fundamental to developmental biology, organ physiology, and immunology. Macrophages …

The TRPM4 channel controls monocyte and macrophage, but not neutrophil, function for survival in sepsis

N Serafini, A Dahdah, G Barbet, M Demion… - The Journal of …, 2012 - journals.aai.org
A favorable outcome following acute bacterial infection depends on the ability of phagocytic
cells to be recruited and properly activated within injured tissues. Calcium (Ca 2+) is a …

[HTML][HTML] A TRP channel in the lysosome regulates large particle phagocytosis via focal exocytosis

M Samie, X Wang, X Zhang, A Goschka, X Li… - Developmental cell, 2013 - cell.com
Phagocytosis of large extracellular particles such as apoptotic bodies requires delivery of
the intracellular endosomal and lysosomal membranes to form plasmalemmal pseudopods …

[HTML][HTML] A novel role of the TRPM4 ion channel in exocytosis

P Stokłosa, S Kappel, C Peinelt - Cells, 2022 - mdpi.com
Under physiological conditions, the widely expressed calcium-activated TRPM4 channel
conducts sodium into cells. This sodium influx depolarizes the plasma membrane and …

Role of the phagosomal redox-sensitive TRP channel TRPM2 in regulating bactericidal activity of macrophages

A Di, T Kiya, H Gong, X Gao… - Journal of cell …, 2017 - journals.biologists.com
Acidification of macrophage phagosomes serves an important bactericidal function. We
show here that the redox-sensitive transient receptor potential (TRP) cation channel TRPM2 …

TRPM2-mediated Ca2+ influx induces chemokine production in monocytes that aggravates inflammatory neutrophil infiltration

S Yamamoto, S Shimizu, S Kiyonaka, N Takahashi… - Nature medicine, 2008 - nature.com
Reactive oxygen species (ROS) induce chemokines responsible for the recruitment of
inflammatory cells to sites of injury or infection. Here we show that the plasma membrane …

The cation channel TRPM8 influences the differentiation and function of human monocytes

E Hornsby, HW King, M Peiris… - Journal of Leukocyte …, 2022 - academic.oup.com
Monocytes are mononuclear phagocytes that can differentiate to a variety of cell fates under
the influence of their microenvironment and hardwired commitment. We found that inhibition …

TRPV2 has a pivotal role in macrophage particle binding and phagocytosis

TM Link, U Park, BM Vonakis, DM Raben… - Nature …, 2010 - nature.com
Macrophage phagocytosis is critical for defense against pathogens. Whereas many steps of
phagocytosis involve ionic flux, the underlying ion channels remain ill defined. Here we …

TRPC6 channel translocation into phagosomal membrane augments phagosomal function

V Riazanski, AG Gabdoulkhakova… - Proceedings of the …, 2015 - National Acad Sciences
Defects in the innate immune system in the lung with attendant bacterial infections contribute
to lung tissue damage, respiratory insufficiency, and ultimately death in the pathogenesis of …

Impairment of survival signaling and efferocytosis in TRPC3-deficient macrophages

JY Tano, K Smedlund, R Lee, J Abramowitz… - Biochemical and …, 2011 - Elsevier
We have recently shown that in macrophages proper operation of the survival pathways
phosphatidylinositol-3-kinase (PI3K)/AKT and nuclear factor kappa B (NFkB) has an …