[3H] thymidine incorporation in bovine lymphocytes treated with the tumor promoter, 12-O-tetradecanoyl phorbol-13-acetate.

[3H] thymidine incorporation in bovine lymphocytes treated with the tumor promoter, 12-O-tetradecanoyl phorbol-13-acetate.
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[3H]胸苷掺入用肿瘤促进剂12-O-十四烷酰基佛波醇-13-乙酸酯处理的牛淋巴细胞中。

DOI:
10.1016/0014-4827(81)90162-2
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发表时间:
1981
影响因子:
3.7
通讯作者:
Pepin,KG
Pepin,KG
中科院分区:
医学3区
文献类型:
--
作者:
Mastro,AM;Pepin,KG

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用肿瘤促进剂12-O-十四烷酰基佛波醇-13-乙酸酯(TPA)处理牛淋巴结淋巴细胞,导致响应于植物血凝素(PHA)的[3 H]胸苷掺入降低。放射自显影和形态学分析表明,抑郁症是在胚细胞形成的水平。同位素稀释实验和使用[3 H]脱氧胞苷标记DNA表明,抑制不是由于在处理的细胞中的胸苷转运的块。这些实验以及旨在测量培养基中胸苷的生物测定表明,[3 H]胸苷掺入和DNA合成的明显抑制不是培养物中冷胸苷产生的结果。这些结果共同支持了这样的观点,即大多数TPA处理的细胞被抑制对促有丝分裂凝集素的反应。那些确实有反应的细胞似乎形成胚细胞并以与未处理细胞相同的速率合成DNA。
Treatment of bovine lymph node lymphocytes with the tumor promoter, 12-O-tetradecanoyl phorbol-13-acetate (TPA) leads to depressed [3H]thymidine incorporation in response to phytohemagglutinin (PHA). Radioautographic and morphological analyses showed that depression was at the level of blast-cell formation. Isotope-dilution experiments, and the use of [3H]deoxycytidine to label DNA indicated that the inhibition was not due to a block in thymidine transport in the treated cells. These experiments, as well as a bioassay designed to measure thymidine in the culture medium, showed that the apparent inhibition of [3H]thymidine incorporation and DNA synthesis was not the result of production of cold thymidine in the cultures. The results taken together support the idea that most TPA-treated cells are inhibited from responding to the mitogenic lectins. Those cells which do respond appear to form blast cells and synthesize DNA at the same rate as do untreated cells.
肿瘤启动子 12-O-tetradecanoylphorbol-13-acetate 抑制牛淋巴细胞中凝集素刺激的 DNA 合成。
DOI: --
发表时间: 1980
期刊: Cancer research
影响因子: 11.2
作者:
Mastro,AM;Pepin,KG
通讯作者: Pepin,KG
DOI: 10.1016/s0065-230x(08)60360-7
发表时间: 1980-01-01
影响因子: --
作者:
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DOI: 10.1016/0022-1759(73)90021-5
发表时间: 1973
影响因子: 2.2
作者:
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DOI: --
发表时间: 1977
影响因子: 4.4
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RNA 调节特异性和非特异性免疫反应
DOI: 10.1111/j.1749-6632.1979.tb47112.x
发表时间: 1979
影响因子: 5.2
作者:
H. Friedman
通讯作者: H. Friedman