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.jpg): Failed to open stream: No such file or directory in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 117 Nat+Immunol
2016 ; 17
(4
): 414-21
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gab.com Text
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English Wikipedia
Stromal cells control the epithelial residence of DCs and memory T cells by
regulated activation of TGF-?
#MMPMID26901152
Mohammed J
; Beura LK
; Bobr A
; Astry B
; Chicoine B
; Kashem SW
; Welty NE
; Igyártó BZ
; Wijeyesinghe S
; Thompson EA
; Matte C
; Bartholin L
; Kaplan A
; Sheppard D
; Bridges AG
; Shlomchik WD
; Masopust D
; Kaplan DH
Nat Immunol
2016[Apr]; 17
(4
): 414-21
PMID26901152
show ga
Cells of the immune system that reside in barrier epithelia provide a first line
of defense against pathogens. Langerhans cells (LCs) and CD8(+) tissue-resident
memory T cells (TRM cells) require active transforming growth factor-?1 (TGF-?)
for epidermal residence. Here we found that integrins ?v?6 and ?v?8 were
expressed in non-overlapping patterns by keratinocytes (KCs) and maintained the
epidermal residence of LCs and TRM cells by activating latent TGF-?. Similarly,
the residence of dendritic cells and TRM cells in the small intestine epithelium
also required ?v?6. Treatment of the skin with ultraviolet irradiation decreased
integrin expression on KCs and reduced the availability of active TGF-?, which
resulted in LC migration. Our data demonstrated that regulated activation of
TGF-? by stromal cells was able to directly control epithelial residence of cells
of the immune system through a novel mechanism of intercellular communication.