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2017 ; 49
(3
): e302
Nephropedia Template TP
gab.com Text
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TMF and glycitin act synergistically on keratinocytes and fibroblasts to promote
wound healing and anti-scarring activity
#MMPMID28303029
Seo GY
; Lim Y
; Koh D
; Huh JS
; Hyun C
; Kim YM
; Cho M
Exp Mol Med
2017[Mar]; 49
(3
): e302
PMID28303029
show ga
Keratinocyte-fibroblast interactions are critical for skin repair after injury.
During the proliferative phase of wound healing, proliferation, migration and
differentiation of these cells are the major mechanisms leading to tissue
remodeling. We have previously reported that glycitin, a major soy isoflavone,
stimulates dermal fibroblast proliferation; and the phytochemical,
4',6,7-trimethoxyisoflavone (TMF), induces migration of HaCaT keratinocyte cells.
We therefore investigated whether these compounds display synergistic effects on
skin cells during wound healing in vitro and in vivo. Co-treatment with TMF and
glycitin synergistically promotes the proliferation and migration of both
keratinocytes and dermal fibroblasts, with a 1:1 ratio of these compounds showing
the greatest efficacy in our co-culture system. This keratinocyte-fibroblast
interaction occurred via the secretion of TGF-?, and the induction of
differentiation and proliferation was confirmed in both indirect and direct
co-culture assays. In an excisional and burn wound animal model, mice treated
with a 1:1 ratio of TMF and glycitin showed faster wound closure, regeneration
and scar reduction than even the positive control drug. These data indicate that
two isoflavones, TMF and glycitin, act synergistically to promote wound healing
and anti-scarring and could potentially be developed together as a bioactive
therapeutic for wound treatment.