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Egyptian Journal of Histology
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Alsemeh, A., Ibrahim, A., Mohammed, H., Balhaji, M. (2020). Structural and Behavioural Changes in Rat Hippocampus Induced by Methotrexate and The potential ameliorative Effect of Alpha lipoic acid. Egyptian Journal of Histology, 43(1), 301-324. doi: 10.21608/ejh.2019.17654.1179
Amira Ebrahim Alsemeh; Amal Al Shahat Ibrahim; Heba Osama Mohammed; mohammed Omar Balhaji. "Structural and Behavioural Changes in Rat Hippocampus Induced by Methotrexate and The potential ameliorative Effect of Alpha lipoic acid". Egyptian Journal of Histology, 43, 1, 2020, 301-324. doi: 10.21608/ejh.2019.17654.1179
Alsemeh, A., Ibrahim, A., Mohammed, H., Balhaji, M. (2020). 'Structural and Behavioural Changes in Rat Hippocampus Induced by Methotrexate and The potential ameliorative Effect of Alpha lipoic acid', Egyptian Journal of Histology, 43(1), pp. 301-324. doi: 10.21608/ejh.2019.17654.1179
Alsemeh, A., Ibrahim, A., Mohammed, H., Balhaji, M. Structural and Behavioural Changes in Rat Hippocampus Induced by Methotrexate and The potential ameliorative Effect of Alpha lipoic acid. Egyptian Journal of Histology, 2020; 43(1): 301-324. doi: 10.21608/ejh.2019.17654.1179

Structural and Behavioural Changes in Rat Hippocampus Induced by Methotrexate and The potential ameliorative Effect of Alpha lipoic acid

Article 21, Volume 43, Issue 1, March 2020, Page 301-324  XML PDF (11.07 MB)
Document Type: Original Article
DOI: 10.21608/ejh.2019.17654.1179
Cited by Scopus (5)
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Authors
Amira Ebrahim Alsemeh email orcid 1; Amal Al Shahat Ibrahim2; Heba Osama Mohammedorcid 3; mohammed Omar Balhaji4
1Anatomy and embrylogy department,faculty of medicine zagazig university
2Department of Human anatomy and embryology, Faculty of Medicine, Zagazig University, Zagazig, Egypt
3Anatomy and embrylogy,faculty of medicine,zagazig universiity
4Anatomy and embryology ,faculty of medicine,zagazig university
Abstract
Background: Methotrexate (MTX) is a chemotherapy drug associated with cognitive insufficiency in cancer patients treated with chemotherapy. Alpha lipoic acid (ALA) has been referred to as the "universal antioxidant" because of its unique antioxidant properties.
Aim: To inspect the effect of MTX on the hippocampus and to correlate them with the cognition impairment and to assess the practical neuroprotective role of ALA on hippocampus.
Material and Method: Thirty two male adult albino were classified into four groups: control group (Physiologic saline), ALA group: (200 mg/kg orally for three weeks), MTX group: (250 mg/ kg) as a single dose intraperitoneally injected and MTX +ALA group: rats were administrated a single dose of intraperitoneal injection of MTX (250 mg/ kg) in the fourth day and were given ALA in a dose of 200 mg/kg orally for three weeks starting from the first day. All animals were subjected to Morris Water Maze testing to assess the hippocampus functions. At the end of the experiment, all animals anesthetized, cerebrum removed and the specimen subjected to histological procedures and biochemical examination.
Results: MTX caused impaired performance of Morris Water Maze of rats and biochemical changes significant decrease in oxidative enzymes and increase in malondialdehyde (MDA) tissue levels. Moreover, MTX caused histological changes in rat hippocampus in the form of degenerative and apoptotic neurons which confirmed by immnnohistochemical staining of caspase -3 and GFAP staining and morphometrical analysis of pyramidal cell layer thickness and pyramidal cell count. Co-administration of ALA with MTX significantly diminished the behavioral affection and biochemical changes in rat treated with MTX and ameliorated the histological changes of hippocampus tissue.
Conclusion: Our experimental results proved the harmful effect of MTX on hippocampus tissue that explained the cognitive impairment that associated with MTX and confirm the antioxidant and the antiapoptotic properties of ALA on hippocampus tissue.
Keywords
Alpha lipoic acid; hippocampus; methotrexate
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