Molecular actions of vitamin D contributing to cancer prevention.

Molecular actions of vitamin D contributing to cancer prevention.
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DOI:
10.1016/j.mam.2008.07.003
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发表时间:
2008-12
影响因子:
10.6
通讯作者:
Fleet, James C.
Fleet, James C.
中科院分区:
医学1区
文献类型:
--
作者:
Fleet, James C.

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维生素D水平低和癌症风险增加之间的基于人群的关系现在被普遍接受。虽然这些都是血清25羟基维生素D与癌症之间的关系,但基于细胞的研究表明,代谢产物1,25二羟基维生素D具有生物活性,并通过维生素D受体基因介导的转录影响与癌症相关的细胞生物学。本文探讨了这一悖论,并讨论了1,25二羟基维生素D对细胞和基因靶点的影响,这可能是维生素D的抗癌作用。文献综述表明,虽然维生素D诱导的肿瘤细胞或其非肿瘤前体细胞的生长停滞和凋亡是合理的机制,但其他与DNA修复和免疫调节有关的基因靶点,以及其他细胞靶点,如基质细胞和免疫系统的细胞,可能受到1,25二羟基维生素D的调节,有助于维生素D介导的癌症预防。
The population-based relationship between low vitamin D status and increased cancer risk is now generally accepted. While these relationships are between serum 25 hydroxyvitamin D and cancer, cell-based studies show that the metabolite 1,25 dihydroxyvitamin D is biologically active and influences cell biology relevant to cancer through vitamin D receptor gene-mediated transcription. This review examines this paradox and also discusses the cell and gene targets influenced by 1,25 dihydroxyvitamin D that may account for the anti-cancer actions of vitamin D. A review of the literature shows that while vitamin D-induced growth arrest and apoptosis of tumor cells or their non-neoplastic progenitors are plausible mechanisms, other gene targets related to DNA repair and immunomodulation, and other cell targets such as the stromal cells and cells of the immune system, may be regulated by 1,25 dihydroxyvitamin D and contribute to vitamin D mediated cancer prevention.
带有微波固定成纤维细胞的免疫细胞学显示1个α,25-二羟基维生素D3依赖性快速和雌激素依赖性维生素D受体的慢重组。
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