Biochemical effects of spirulina platensis against oxidative stress caused by doxorubicin

Document Type : Original Article

Authors

1 Department. Of Biochemistry,Fac. of Vet. Medicine, Benha University, Egypt.

2 Department. Of Clinical Pathology, Fac. of Vet. Medicine, Benha University, Egypt

Abstract

Doxorubicin (DOX ) is an anthracycline derivative antibiotic, used as anticancer agent, it causes
generation of free radicals and induces oxidative stress, associated with cellular injury and participate
in hepatonephrotoxicity in normal human cells .The protective effect of Spirulina Platensis (SP) , a
filamentous blue green algae , on Doxorubicin induced oxidative stress and hepatotoxicity was evaluated
in male rats. Oral administration of water extract of Spirulina (1000 mg/kg/b.wt) for six weeks following
an acute toxic dose of Doxorubicin ( 1.0 mg/kg/b.wt) , reduces the hepatotoxicity and attenuates
doxorubicin-induced stress .The post-treatment with Spirulina reduces the activity of Liver marker
enzymes such as serum alanine aminotransferase (ALT), Aspartate aminotransferase (AST) and Renal
function disorders represented by urea. The ratio of decrease were lower in the first three weeks if
compared with the last three weeks. On the other hand, Oral administration of Spirulina extract for six
weeks following an acute toxic dose of Doxorubicin, led to an obvious increase in the activity of
antioxidant Parameters including Catalase ( CAT ) and Super Oxide Dismutase ( SOD ). The results
clearly demonstrate that Spirulina treatment augments the antioxidants defense mechanism in Dox
induced toxicity and provides evidence that it may have a therapeutic role in free radical mediated
diseases.

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