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2017 ; 18
(1
): 29
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Coenzyme Q10 prevents oxidative stress and fibrosis in isoprenaline induced
cardiac remodeling in aged rats
#MMPMID28427467
Ulla A
; Mohamed MK
; Sikder B
; Rahman AT
; Sumi FA
; Hossain M
; Reza HM
; Rahman GMS
; Alam MA
BMC Pharmacol Toxicol
2017[Apr]; 18
(1
): 29
PMID28427467
show ga
BACKGROUND: The objective of the present study aimed to investigate the effect of
CoQ10 treatment on isoprenaline (ISO)-induced cardiac remodeling in rats.
METHODS: Rats were divided into three groups namely Control group, ISO treated
group and CoQ10?+?ISO treated group, each consisting of 6 rats. The cardiac
specific CK-MB, AST, ALT activity and other oxidative stress parameters were
estimated in heart and kidneys. Additionally histological examination was also
performed to visualize the inflammatory cells infiltration and fibrosis in both
tissues. RESULTS: Administration of ISO resulted in an increase in the
heart-to-body weight (HW/BW) ratio and an also increased the serum CK-MB, AST and
ALT enzyme activity. Serum levels of lipid peroxidation products, and oxidative
stress markers showed significant increase in ISO-treated rats. Histopathological
examination of heart tissue revealed focal areas of endocardium degeneration,
mononuclear cells infiltration, fibrous tissue deposition, and increased
thickness of the myocardium of left ventricle. Similar degeneration was also
found in kidneys. Treatment with CoQ10 (100 mg/kg) significantly improved the
oxidative stresses in ISO treated rats. Moreover, CoQ10 treatment prevented
inflammatory cells infiltration and reduced fibrosis in ISO administered rats.
CONCLUSION: In conclusion, our study provides evidence that CoQ10 may prevent the
development of cardiac remodeling, and fibrosis in ISO administered rats.