A study of astrocytes in retinoblastomas using the immunoperoxidase technique and antibodies to glial fibrillary acidic protein.
A study of astrocytes in retinoblastomas using the immunoperoxidase technique and antibodies to glial fibrillary acidic protein.
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使用免疫过氧化物酶技术和神经胶质纤维酸性蛋白抗体对视网膜母细胞瘤中的星形胶质细胞进行研究。
DOI:
10.1016/0002-9394(83)90014-4
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发表时间:
1983
影响因子:
4.2
通讯作者:
Klintworth,GK
中科院分区:
文献类型:
--
作者:
Lane,JC;Klintworth,GK
We identified astrocytes in 12 of 14 randomly selected formalin-fixed Paraplast-embedded retinoblastomas, using the avidin-biotin-peroxidase complex of the immunoperoxidase techniques and antibodies to purified glial fibrillary acidic protein. In two of these eyes, both of which had extensive choroidal invasion by retinoblastoma, we found no tumor cells containing glial fibrillary acidic protein. Astrocytes were observed in metastases within the neurologic tissue of the central nervous system in two cases, but were rarely noted in metastatic foci within the subarachnoid space, and were not found in distant metastases to other sites.These findings suggested that although some astrocytes may become incorporated into retinoblastomas from the retina as the neoplastic cells proliferate and the tumor grows, others proliferate in response to the tumor. Although we found foci of cells containing glial fibrillary acidic protein in some retinoblastomas, convincing evidence of glial differentiation from tumor cells was not observed in any of the retinoblastomas we studied.
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