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黄曲霉毒素和多环烃致癌物会使类固醇激素作用的染色体区域中的基因缺失吗?

Do aflatoxin and polycyclic hydrocarbon carcinogens delete genes in the regions of chromosomes acted on by steroid hormones?

作者信息

Money-Kyrle A F

出版信息

Med Hypotheses. 1977 Jul-Aug;3(4):146-9. doi: 10.1016/0306-9877(77)90063-9.

Abstract

The hypothesis is proposed that: 1. Aflatoxin B1 and polycyclic hydrocarbon carcinogens bind to the regions of DNA to which steroid hormones bind and cause the deletion of genes in these regions. 2. The deletion of these genes may be responsible for a reduced number of ribosomes bound to the endoplasmic reticulum. 3. This may be the cause of the increased number of free hydrolytic enzymes in many tumour cells. 4. The free lysosomal enzymes in many tumour cells are responsible for many changes in these cells such as changes in cellular and intracellular membranes, reduction in level of cyclic AMP, loss of contact inhibition of growth, glycolysis under aerobic conditions, and damage to chromosomes of tumour cells.

摘要

提出的假设如下

  1. 黄曲霉毒素B1和多环烃致癌物与类固醇激素结合的DNA区域结合,并导致这些区域的基因缺失。2. 这些基因的缺失可能是内质网上核糖体数量减少的原因。3. 这可能是许多肿瘤细胞中游离水解酶数量增加的原因。4. 许多肿瘤细胞中的游离溶酶体酶导致这些细胞发生许多变化,如细胞膜和细胞内膜的变化、环磷酸腺苷水平降低、生长接触抑制丧失、有氧条件下的糖酵解以及肿瘤细胞染色体损伤。

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