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2016 ; 11
(5
): 1573-1580
Nephropedia Template TP
gab.com Text
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English Wikipedia
Protective effect of adipose-derived mesenchymal stem cells against acute kidney
injury induced by ischemia-reperfusion in Sprague-Dawley rats
#MMPMID27168775
Sheashaa H
; Lotfy A
; Elhusseini F
; Aziz AA
; Baiomy A
; Awad S
; Alsayed A
; El-Gilany AH
; Saad MA
; Mahmoud K
; Zahran F
; Salem DA
; Sarhan A
; Ghaffar HA
; Sobh M
Exp Ther Med
2016[May]; 11
(5
): 1573-1580
PMID27168775
show ga
Acute kidney injury (AKI) is a complex clinical condition associated with
significant morbidity and mortality and lacking effective management.
Ischemia-reperfusion injury (IRI) remains one of the leading causes of AKI in
native and transplanted kidneys. The aim of this study was to evaluate the
efficacy of adipose-derived mesenchymal stem cells (ADSCs) in the prevention of
renal IRI in rats. The study was conducted on male Sprague-Dawley rats (n=72)
weighing 250-300 g. Rats were randomly assigned to three main groups: i)
Sham-operated control group (n=24); ii) positive control group, in which rats
were subjected to IRI and were administered culture media following 4 h of IRI
(n=24); and iii) ADSC group (n=24), in which rats were administered 1×10(6) ADSCs
via the tail vein following 4 h of IRI. Each main group was further divided
according to the timing after IRI into four equal-sized subgroups. Renal function
was tested via the measurement of serum creatinine levels and creatinine
clearance. In addition, malondialdehyde (MDA) levels were determined in serum and
renal tissue homogenate as an indicator of oxidative stress. Histopathological
changes were analyzed in different regions of the kidney, namely the cortex,
outer stripe of the outer medulla (OSOM), inner stripe of the outer medulla
(ISOM) and inner medulla. In each region, the scoring system considered active
injury changes, regenerative changes and chronic changes. The ADSCs were assessed
and their differentiation capability was verified. IRI resulted in a significant
increase in serum creatinine, serum and tissue MDA levels and a significant
reduction in creatinine clearance compared with those in sham-operated rats,.
These changes were attenuated by the use of ADSCs. The prominent
histopathological changes in the cortex, ISOM and OSOM were reflected in the
injury score, which was significantly evident in the positive control group. The
use of ADSCs was associated with significantly lowered injury scores at days 1
and 3; however, no significant effect was observed on day 7. These results
indicate that the use of ADSCs ameliorates renal injury and dysfunction
associated with IRI in rats.