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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 PLoS+One
2017 ; 12
(5
): e0177862
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Angelica Dahurica ethanolic extract improves impaired wound healing by activating
angiogenesis in diabetes
#MMPMID28542422
Zhang XN
; Ma ZJ
; Wang Y
; Sun B
; Guo X
; Pan CQ
; Chen LM
PLoS One
2017[]; 12
(5
): e0177862
PMID28542422
show ga
Abnormal angiogenesis plays an important role in impaired wound healing and
development of chronic wounds in diabetes mellitus. Angelica dahurica radix is a
common traditional Chinese medicine with wide spectrum medicinal effects. In this
study, we analyzed the potential roles of Angelica dahurica ethanolic extract
(ADEE) in correcting impaired angiogenesis and delayed wound healing in diabetes
by using streptozotocin-induced diabetic rats. ADEE treatment accelerated
diabetic wound healing through inducing angiogenesis and granulation tissue
formation. The angiogenic property of ADEE was subsequently verified ex vivo
using aortic ring assays. Furthermore, we investigated the in vitro angiogenic
activity of ADEE and its underlying mechanisms using human umbilical vein
endothelial cells. ADEE treatment induced HUVECs proliferation, migration, and
tube formation, which are typical phenomena of angiogenesis, in dose-dependent
manners. These effects were associated with activation of angiogenic signal
modulators, including extracellular signal-regulated kinase 1/2 (ERK1/2), Akt,
endothelial nitric oxide synthase (eNOS) as well as increased NO production, and
independent of affecting VEGF expression. ADEE-induced angiogenic events were
inhibited by the MEK inhibitor PD98059, the PI3K inhibitor Wortmannin, and the
eNOS inhibitor L-NAME. Our findings highlight an angiogenic role of ADEE and its
ability to protect against impaired wound healing, which may be developed as a
promising therapy for impaired angiogenesis and delayed wound healing in
diabetes.