Schizophyllan inhibits the development of mammary and hepatic carcinomas induced by 7,12 dimethylbenz(α)anthracene and decreases cell proliferation: comparison with tamoxifen.

Journal of Cancer Research and Clinical Oncology
Ahmed MansourEiman Aleem

Abstract

Breast cancer is one of the leading causes of cancer mortality among women. Some anticancer compounds have been isolated from mushrooms. The aim of the present work was to study the anticancer effects of schizophyllan (SCH), a β-D: -glucan extracted from the mushroom Schizophyllum commune alone or in combination with tamoxifen (TAM) on 7, 12 Dimethylbenz(α)anthracene (DMBA)-induced carcinomas in mice. We isolated SCH from S. commune. Female mice received DMBA, SCH, DMBA+SCH, DMBA+TAM or DMBA+TAM+SCH or vehicles. We studied mice survival, tumour incidence, histopathology, oestrogen receptor (ER) expression, cell proliferation by immunohistochemical detection of proliferating cell nuclear antigen (PCNA), apoptosis by TUNEL assay, as well as caspase-3 expression. DMBA treatment resulted in mammary and hepatocellular carcinomas (HCC). Both SCH and TAM reduced the incidence of DMBA-induced mammary tumours by 85 and 75 %, respectively, and equally decreased the PCNA labelling index relative to DMBA. TAM treatment increased the incidence of- and PCNA index in HCCs relative to DMBA, while SCH suppressed these effects. TAM was more effective than SCH in the induction of apoptosis in both mammary and hepatic carcinomas. Caspase-3 levels ...Continue Reading

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Citations

May 3, 2013·BMC Complementary and Alternative Medicine·Marcos Correa DiasLuís Fernando Barbisan
Sep 1, 2015·Tumour Biology : the Journal of the International Society for Oncodevelopmental Biology and Medicine·Eman Kandil, Nahed Abdel Aziz
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Jul 3, 2021·Cancers·Natalia VallianouMaria Dalamaga
Jun 5, 2018·Biomedicine & Pharmacotherapy = Biomédecine & Pharmacothérapie·Damini KothariSoo-Ki Kim

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