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Caterpillar Medicinal Mushroom, Cordyceps militaris (Ascomycetes), Mycelia Attenuates Doxorubicin-Induced Oxidative Stress and Upregulates Krebs Cycle Dehydrogenases Activity and ATP Level in Rat Brain.

Abstract：

:Post-chemotherapy-induced cognitive dysfunction remains one of the challenges in cancer survivors. Cytokine-induced neurotoxicity manifests in subjects at any time after doxorubicin (DOX) chemotherapy. We examined the effect of bioactive Cordyceps militaris mycelia extract (CM) on the energy status, oxidative stress, and acetylcholinesterase activity in the brain of DOX treated rats. The CM (150 and 300 mg/kg b.w.) and DL-α lipoic acid (LA, 100 mg/kg b.w) were administered orally once daily for 5 days to male Wistar rats prior to the DOX administration (18 mg/kg as 3 doses of 6 mg/kg, i.p. b.w.) and continued for 6 more days. Cellular antioxidant status, Krebs cycle dehydrogenases, electron transport chain complexes (ETC) (I, III, and IV), adenosine triphosphate (ATP) level, advanced oxidation of protein products (AOPP), and acetylcholinesterase (AchE) activities were determined in the brain homogenate. The DOX alone treated group of animals showed significant decrease (p < 0.05) of brain antioxidant levels, Krebs cycle dehydrogenases activities, ETC complex activities, and decreased ATP level, while lipid peroxidation and AOPP levels were elevated. CM at 300 mg/kg b.w. or LA at 100 mg/kg b.w. elevated antioxidant status, Krebs cycle dehydrogenases, and complex activities and thus alleviated the toxicity. CM also inhibited the AchE activity in brain. The experimental results thus reveal that CM possessed excellent capacity to attenuate oxidative stress, upregulate respiratory chain complex activity and ATP levels, as well as inhibition of AchE activity.

journal_name

Int J Med Mushrooms

journal_title

International journal of medicinal mushrooms

authors

Veena RK,Carmel EJ,Ramya H,Ajith TA,Wasser SP,Janardhanan KK

doi

10.1615/IntJMedMushrooms.2020035093

subject

Has Abstract

pub_date

2020-01-01 00:00:00

pages

593-604

issue

6

eissn

1521-9437

issn

1940-4344

pii

3d8e7b4f6342518e,42d51df057c0f3f2

journal_volume

22

pub_type

杂志文章

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