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2015 ; 63
(11
): 842-53
Nephropedia Template TP
Ni W
; Fang Y
; Xie L
; Liu X
; Shan W
; Zeng R
; Liu J
; Liu X
J Histochem Cytochem
2015[Nov]; 63
(11
): 842-53
PMID26215800
show ga
Previous studies have illustrated that bone marrow-derived mesenchymal stem cell
(BMMSC) transplantation has therapeutic effects on diabetes and can prevent mice
from renal damage and diabetic nephropathy (DN). Moreover, adipose-derived MSCs
possess similar characteristics to BMMSCs. We investigated the effect of ADMSC
transplantation on streptozotocin (STZ)-induced renal injury. Diabetes was
induced in rats by STZ injection. After ADMSC treatment, renal histological
changes and cell apoptosis were evaluated as were the expression of
apoptosis-related proteins, Wnt/?-catenin pathway members, and klotho levels. We
found that ADMSCs improved renal histological changes. Next, NRK-52E cells were
exposed to normal glucose (NG; 5.5 mM glucose plus 24.5 mM mannitol)/high glucose
(HG) or ADMSCs, and then measured for changes in the aforementioned proteins.
Similarly, changes in these proteins were also determined following transient
transfection of klotho siRNA. We found that both ADMSC transplantation and
co-incubation reduced the rate of cellular apoptosis, decreased Bax and
Wnt/?-catenin levels, and elevated Bcl-2 and klotho levels. Interestingly, klotho
knockdown reversed the effects of ADMSCs on the expression of apoptosis-related
proteins and Wnt/?-catenin pathway members. Taken together, ADMSCs
transplantation might attenuate renal injury in DN via activating klotho and
inhibiting the Wnt/?-catenin pathway. This study may provide evidence for the
treatment of DN using ADMSCs.