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2017 ; 14
(4
): 3074-3080
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Baicalin and baicalein attenuate renal fibrosis in vitro via inhibition of the
TGF-?1 signaling pathway
#MMPMID28928802
Hu Q
; Gao L
; Peng B
; Liu X
Exp Ther Med
2017[Oct]; 14
(4
): 3074-3080
PMID28928802
show ga
Baicalin and baicalein are flavonoid compounds derived from Scutellaria
baicalensis Georgi. These compounds have been used in the treatment of numerous
diseases, including fibrotic diseases. However, research regarding their
antifibrotic effects and mechanism of action in renal fibrosis is limited. In the
present study, normal rat kidney interstitial fibroblast (NRK-49F) cells were
stimulated with transforming growth factor (TGF)-?1, with or without
baicalin/baicalein, and assessed for proliferation, apoptosis, extracellular
matrix (ECM) accumulation, collagen expression, TGF-?1 expression and mothers
against decapentaplegic homolog 3 (SMAD3) protein activation. The results
revealed that baicalin and baicalein exhibited antifibrotic effects in vitro,
whereas baicalein had a stronger inhibitory action compared with baicalin on
TGF-?1-induced NRK-49F cell proliferation, deposition of ECM, collagen synthesis,
endogenous TGF-?1 expression and phosphorylation of SMAD3. In conclusion, the
findings of the present study indicate that baicalin and baicalein, particularly
baicalein, exhibit antifibrotic effects in vitro by inhibiting the TGF-?1
pathway. Therefore, these compounds have the potential to be developed as novel
agents to treat renal fibrosis.