Analysis of the vitamin D system in cutaneous malignancies.

Analysis of the vitamin D system in cutaneous malignancies.
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皮肤恶性肿瘤中维生素 D 系统的分析。

DOI:
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发表时间:
2003
期刊:
Recent results in cancer research. Fortschritte der Krebsforschung. Progres dans les recherches sur le cancer
影响因子:
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通讯作者:
J. Reichrath
J. Reichrath
中科院分区:
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文献类型:
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作者:
J. Kamradt;L. Rafi;T. Mitschele;V. Meineke;B. Gärtner;Tilgen Wolfgang;M. Holick;J. Reichrath

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1,25-二羟维生素D3是维生素D的生物活性代谢产物,对角质形成细胞的生长和分化有很大影响,因此已经成功地用于过度增殖性皮肤病的治疗。我们现在已经确定了维生素D系统的关键组成部分(VDR,1 α-OHase,24-OHase和25-OHase)在皮肤基底细胞癌(BCC)和鳞状细胞癌(SCC),使用免疫组化和定量实时PCR技术。此外,增殖活性(Ki-67表达),分化状态(细胞角蛋白10和转氨酶K表达),细胞凋亡率(TUNEL法)和VDR(RXR)的主要异源二聚化伴侣的丰度确定这些肿瘤和相关的维生素D系统的组件。我们的研究结果表明,维生素D系统可能对基底细胞癌和鳞状细胞癌的生长行为非常重要,并且产生较少钙血副作用的新维生素D类似物可能有效预防或治疗这些肿瘤。
1,25-dihydroxyvitamin D3, the biological active metabolite of vitamin D, has great impact on keratinocyte growth and differentiation, and consequently has already been successfully used in the therapy of hyperproliferative skin disorders. We have now characterized the key components of the vitamin D system (VDR, 1alpha-OHase, 24-OHase and 25-OHase) in cutaneous basal cell carcinomas (BCC) and squamous cell carcinomas (SCC), using immunohistochemical and quantitative real-time PCR techniques. Additionally, proliferative activity (Ki-67 expression), differentiation status (cytokeratin 10 and transglutaminase K expression), rate of apoptosis (TUNEL assay) and the abundance of the main heterodimerization partners of VDR (RXRs) was determined for these tumours and correlated with the components of the Vitamin D system. Our findings indicate that the Vitamin D system may be of high importance for the growth behaviour of BCCs and SCCs and that new vitamin D analogues that exert less calcaemic side effects may be effective in the prevention or treatment of these tumours.
成骨细胞中甲状旁腺激素对 1,25-二羟基维生素 D3 受体的调节:第二信使途径的作用。
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发表时间: 1995
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影响因子: --
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影响因子: 20.3
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