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2018 ; 8
(1
): 10726
Nephropedia Template TP
gab.com Text
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English Wikipedia
Amelioratory Effects of Testosterone Propionate on Age-related Renal Fibrosis via
Suppression of TGF-?1/Smad Signaling and Activation of Nrf2-ARE Signaling
#MMPMID30013094
Zhang G
; Kang Y
; Zhou C
; Cui R
; Jia M
; Hu S
; Ji X
; Yuan J
; Cui H
; Shi G
Sci Rep
2018[Jul]; 8
(1
): 10726
PMID30013094
show ga
Androgen plays a pivotal role in the progression of renal fibrosis. However,
whether exogenous androgen treatment to aged male rats can improve the
age-related renal fibrosis was not explored. In our study, the changes of
morphological structure, renal fibrosis, ultrastructure and renal function, the
expressions of extracellular matrix (ECM), matrix metalloproteinases (MMPs) and
its tissue inhibitors of metalloproteinases (TIMPs), the expressions of tumor
growth factor ?1 (TGF-?1)/Smad signaling and oxidative stress parameters as well
as nuclear factor erythroid 2-related factor 2-antioxidant response element
(Nrf2-ARE) signaling were tested in kidney of aged male Wistar rats after
subcutaneous testosterone propionate (TP, 2?mg/kg/d, 84-day) injection. Aged rats
showed significantly renal histopathological changes, increased renal fibrosis,
increased thickening of the glomerular basement membrane and the Bowman's capsule
basement membrane, declined renal functional, increased ECM, lower expressions of
MMP-2 and MMP-9 and higher expressions of TIMP-1 and TIMP-2 in renal tissues and
higher expressions of TGF-?1/Smad signaling, as well as lower expressions of
Nrf2-ARE signaling compared to young rats. TP treatment significantly improved
age-related above indexes. These results suggested that TP supplement may
alleviate age-related renal fibrosis via suppression of TGF-?1/Smad signaling and
activation of Nrf2-ARE signaling in aged rats.