Detection of c-sis transcripts and synthesis of PDGF-like proteins by human osteosarcoma cells.

Detection of c-sis transcripts and synthesis of PDGF-like proteins by human osteosarcoma cells.
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检测人骨肉瘤细胞的 c-sis 转录本和 PDGF 样蛋白的合成。

DOI:
10.1126/science.6209798
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发表时间:
1984
期刊:
Science (New York, N.Y.)
影响因子:
--
通讯作者:
Antoniades,HN
Antoniades,HN
中科院分区:
--
文献类型:
--
作者:
Graves,DT;Owen,AJ;Barth,RK;Tempst,P;Winoto,A;Fors,L;Hood,LE;Antoniades,HN

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血小板衍生生长因子(PDGF)与猴肉瘤病毒(v-sis)的转化基因(v-sis)同源,与v-sis基因(c-sis)的细胞表达异常有关,U-2OS人骨肉瘤细胞系含有多种c-sis转录本。用PDGF抗血清进行的免疫沉淀实验发现,多种多肽的大小从18,000到165,000道尔顿不等,这些多肽是从U-2 OS细胞提取物中免疫沉淀出来的。骨肉瘤还分泌一种29,000道尔顿蛋白,具有PDGF的血清学和结构特征。
Platelet-derived growth factor (PDGF) has been previously shown to be homologous to the transforming gene of simian sarcoma virus (v-sis"), and inappropriate expression of the cellular counterpart of the v-sis" gene (c-sis") has been implicated in the generation of mesenchymal tumors. The U-2 OS human osteosarcoma line was shown to contain multiple c-sis" transcripts. Immunoprecipitation experiments with antiserum to PDGF identified a variety of polypeptides ranging in size from 18,000 to 165,000 daltons that were immunoprecipitated specifically from U-2 OS cell extracts. The osteosarcoma also was shown to secrete a 29,000-dalton protein having the serological and structural characteristics of PDGF.
DOI: --
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影响因子: 4.8
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DOI: 10.1016/s0014-4827(75)80036-x
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影响因子: 3.7
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有证据表明,分泌类似于血小板衍生生长因子的有丝分裂原的人骨肉瘤细胞系需要贫血小板血浆中存在的生长因子。
DOI: --
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