Abstract:
:A new human cell line, designated Ty-82, was established from the pleural effusion of a 22-year-old woman with undifferentiated thymic carcinoma. This cell line consisted of primitive cells that were positive for alpha-naphthyl butyrate esterase and acid phosphatase. The cells were shown to express epithelial membrane antigen, but were completely negative for cytokeratin, carcinoembryonic antigen, glial fibrillary acidic protein, desmin, S-100 protein, lysozyme, Leu-7, HLA-DR (Ia), leukocyte common antigen, Ki-I antigen, T-cell antigens, B-cell antigens, myelomonocyte antigens, and Epstein-Barr-virus nuclear antigen. Electron microscopy showed that the cells were highly anaplastic, with no sign of cellular differentiation to any lineages. The Ty-82 cell line was found to have a karyotype of 46,XX,t(15;19)(q15;p13), being identical to that of the patient's tumor cells. Four of 5 nude mice inoculated sub-cutaneously with Ty-82 cells developed tumors which displayed a histological picture similar to the original tumor. Thymic carcinoma is a recently recognized entity, and its cellular and clinical behavior are poorly understood. The newly established thymic carcinoma cell line would provide a useful tool for the better understanding of this rare disease.
journal_name
Int J Cancerjournal_title
International journal of cancerauthors
Kuzume T,Kubonishi I,Takeuchi S,Takeuchi T,Iwata J,Sonobe H,Ohtsuki Y,Miyoshi Idoi
10.1002/ijc.2910500216subject
Has Abstractpub_date
1992-01-21 00:00:00pages
259-64issue
2eissn
0020-7136issn
1097-0215journal_volume
50pub_type
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