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2017 ; 7
(1
): 2954
Nephropedia Template TP
gab.com Text
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Twit Text #
English Wikipedia
Platelet-rich plasma respectively reduces and promotes adipogenic and
myofibroblastic differentiation of human adipose-derived stromal cells via the
TGF? signalling pathway
#MMPMID28592806
Chignon-Sicard B
; Kouidhi M
; Yao X
; Delerue-Audegond A
; Villageois P
; Peraldi P
; Ferrari P
; Rival Y
; Piwnica D
; Aubert J
; Dani C
Sci Rep
2017[Jun]; 7
(1
): 2954
PMID28592806
show ga
Autologous fat grafting is a gold standard therapy for soft tissue defects, but
is hampered by unpredictable postoperative outcomes. Fat graft enrichment with
adipose-derived stromal cell (ASCs) was recently reported to enhance graft
survival. Platelet-rich plasma (PRP) has also emerged as a biologic scaffold that
promotes fat graft viability. Combined ASC/PRP fat grafting enrichment is thus a
promising new regenerative medicine approach. The effects of PRP on ASC
proliferation are well documented, but the impact of PRP on ASC differentiation
has yet to be investigated in depth to further elucidate the PRP clinical
effects. Here we analyzed the human ASC fate upon PRP treatment. PRP was found to
sharply reduce the potential of ASCs to undergo differentiation into adipocytes.
Interestingly, the PRP anti-adipogenic effect was accompanied by the generation
of myofibroblast-like cells. Among the various factors released from PRP, TGF?
pathway activators played a critical role in both the anti-adipogenic and
pro-myofibroblastic PRP effects. Overall, these data suggest that PRP
participates in maintaining a pool of ASCs and in the repair process by promoting
ASC differentiation into myofibroblast-like cells. TGF? may provide an important
target pathway to improve PRP clinical outcomes.