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Abstract Title:

Effect of pycnogenol and spirulina on vancomycin-induced renal cortical oxidative stress, apoptosis, and autophagy in adult male albino rat.

Abstract Source:

Can J Physiol Pharmacol. 2016 Aug ;94(8):838-48. Epub 2016 Mar 6. PMID: 27203524

Abstract Author(s):

Naglaa A Bayomy, Eman Z Abdelaziz, Mona A Said, Marwa S Badawi, Reda H El-Bakary

Article Affiliation:

Naglaa A Bayomy

Abstract:

Vancomycin-induced nephrotoxicity has been reported to occur in 5%-25% of patients who were administered with it. Several natural antioxidants were found to be effective against drug-induced toxicity. We evaluated the possible protective effects of spirulina and pycnogenol alone or in combination on vancomycin-induced renal cortical oxidative stress. Forty-nine rats were randomly divided into 7 groups: group I, control; group II, received spirulina 1000 mg/kg per day; group III, received pycnogenol 200 mg/kg per day; group IV, received vancomycin 200 mg/kg per day every 12 h; group V, (spirulina + vancomycin); group VI, (pycnogenol + vancomycin); and group VII, (pycnogenol + spirulina + vancomycin). At the end of the experiment, kidney functions were estimated and then the kidneys were removed, weighed, and sampled for histopathological, immunohistochemistry, and biochemical studies. Administration of spirulina and pycnogenol alone or in combination decreased elevated serum creatinine, blood urea nitrogen, renal malondialdehyde, and immunoexpression of the proapoptotic protein (Bax), autophagic marker protein (LC3/B), and inducible nitric oxide synthase induced by vancomycin. They increased reduced glutathione, glutathione peroxidase, superoxide dismutase, and immunoexpression of the antiapoptotic protein (Bcl2). They also ameliorated the morphological changes induced by vancomycin. The combination therapy of spirulina and pycnogenol showed better protective effects than the corresponding monotherapy.

Study Type : Animal Study

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Sayer Ji
Founder of GreenMedInfo.com

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