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2018 ; 8
(1
): 4853
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Vitamin D alleviates lead induced renal and testicular injuries by
immunomodulatory and antioxidant mechanisms in rats
#MMPMID29556070
BaSalamah MA
; Abdelghany AH
; El-Boshy M
; Ahmad J
; Idris S
; Refaat B
Sci Rep
2018[Mar]; 8
(1
): 4853
PMID29556070
show ga
This study measured the effects of vitamin D (VD) supplementation on the
underlying molecular pathways involved in renal and testicular damage induced by
lead (Pb) toxicity. Thirty two adult male Wistar rats were divided equally into
four groups that were treated individually or simultaneously, except the negative
control, for four weeks with lead acetate in drinking water (1,000?mg/L) and/or
intramuscular VD (1,000 IU/kg; 3 days/week). Pb toxicity markedly reduced serum
VD and Ca(2+), induced substantial renal and testicular injuries with concomitant
significant alterations in the expression of VD metabolising enzymes, its
receptor and binding protein, and the calcium sensing receptor. Pb also
significantly promoted lipid peroxidation and pro-inflammatory cytokines (IL-4
and TNF-?) in the organs of interest concomitantly with declines in several
anti-oxidative markers (glutathione, glutathione peroxidase and catalase) and the
anti-inflammatory cytokine, IL-10. The co-administration of VD with Pb markedly
mitigated renal and testicular injuries compared with positive controls. This was
associated with restoration of the expression of VD related molecules, promotion
of anti-oxidative and anti-inflammatory markers, but tissue Pb concentrations
were unaffected. In conclusion, this report is the first to reveal potential
protective effects for VD against Pb-induced renal and testicular injuries via
anti-inflammatory and anti-oxidative mechanisms.