Department of Medical Biochemistry, School of Laboratory Medicine and Medical Science, College of Health Sciences, Howard College Campus, University of KwaZulu-Natal, Durban 4041, South Africa.
Int J Mol Sci. 2021 Nov 30;22(23):12952. doi: 10.3390/ijms222312952.
Genetic and epigenetic changes alter gene expression, contributing to cancer. Epigenetic changes in cancer arise from alterations in DNA and histone modifications that lead to tumour suppressor gene silencing and the activation of oncogenes. The acetylation status of histones and non-histone proteins are determined by the histone deacetylases and histone acetyltransferases that control gene transcription. Organoselenium compounds have become promising contenders in cancer therapeutics. Apart from their anti-oxidative effects, several natural and synthetic organoselenium compounds and metabolites act as histone deacetylase inhibitors, which influence the acetylation status of histones and non-histone proteins, altering gene transcription. This review aims to summarise the effect of natural and synthetic organoselenium compounds on histone and non-histone protein acetylation/deacetylation in cancer therapy.
遗传和表观遗传变化改变了基因表达,导致癌症的发生。癌症中的表观遗传变化源于 DNA 和组蛋白修饰的改变,导致肿瘤抑制基因沉默和癌基因的激活。组蛋白和非组蛋白的乙酰化状态由组蛋白去乙酰化酶和组蛋白乙酰转移酶决定,它们控制基因转录。有机硒化合物已成为癌症治疗的有前途的候选药物。除了抗氧化作用外,几种天然和合成有机硒化合物和代谢物作为组蛋白去乙酰化酶抑制剂,影响组蛋白和非组蛋白的乙酰化状态,改变基因转录。本综述旨在总结天然和合成有机硒化合物对癌症治疗中组蛋白和非组蛋白乙酰化/去乙酰化的影响。
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