Rat and human maspins: structures, metastatic suppressor activity and mutation in prostate cancer cells.
[No authors listed]
摘要
The rat homologue of human maspin cDNA was cloned. The deduced amino acid sequence of rat maspin was homologous to human maspin with 88% of the amino acids conserved. Rat maspin mRNA was detected in rat mammary gland, vagina, urinary bladder, thymus, small intestine, skin, ventral prostate, seminal vesicles, and thyroid but not in many other organs, such as heart, lung, liver, brain and kidney. Rat maspin cDNA retrovirally introduced into highly metastatic Dunning AT3.1 rat prostate cancer cells did not suppress metastasis of these tumor cells in Copenhagen rats. Maspin mRNA was detected in 5/10 human prostatic carcinoma tissue samples. Two human prostate cancer cell lines, PC-3 and LNCaP, and two human prostatic carcinoma and two benign prostatic hyperplasia tissue samples contained maspin mRNA having an isoleucine to valine mutation at amino acid 319.
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基因功能
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原始数据
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文献解读
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