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2017 ; 8
(33
): 55684-55714
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gab.com Text
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English Wikipedia
The p38 pathway, a major pleiotropic cascade that transduces stress and
metastatic signals in endothelial cells
#MMPMID28903453
Corre I
; Paris F
; Huot J
Oncotarget
2017[Aug]; 8
(33
): 55684-55714
PMID28903453
show ga
By gating the traffic of molecules and cells across the vessel wall, endothelial
cells play a central role in regulating cardiovascular functions and systemic
homeostasis and in modulating pathophysiological processes such as inflammation
and immunity. Accordingly, the loss of endothelial cell integrity is associated
with pathological disorders that include atherosclerosis and cancer. The p38
mitogen-activated protein kinase (MAPK) cascades are major signaling pathways
that regulate several functions of endothelial cells in response to exogenous and
endogenous stimuli including growth factors, stress and cytokines. The p38 MAPK
family contains four isoforms p38?, p38?, p38? and p38? that are encoded by four
different genes. They are all widely expressed although to different levels in
almost all human tissues. p38?/MAPK14, that is ubiquitously expressed is the
prototype member of the family and is referred here as p38. It regulates the
production of inflammatory mediators, and controls cell proliferation,
differentiation, migration and survival. Its activation in endothelial cells
leads to actin remodeling, angiogenesis, DNA damage response and thereby has
major impact on cardiovascular homeostasis, and on cancer progression. In this
manuscript, we review the biology of p38 in regulating endothelial functions
especially in response to oxidative stress and during the metastatic process.