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Karyotype
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Number of cells examined = 59; Modal Chromosome Number = 75 with a range of 65 to 79; Polyploidy Rate = 22%
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Derivation
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This cell line was initiated on 3/4/96 and took 8 months to establish.
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Clinical Data
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An EBV transformed lymphoblastoid cell line (HCC2157 BL) from the same patient is available as ATCC CRL-2341. Black female 48 years adult The tumor was classified as TNM stage IIIA, grade 2, ductal carcinoma with 1 out of 9 lymph node metastasis.
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Receptor Expression
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estrogen receptor, negative progesterone receptor, positive
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Genes Expressed
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Epithelial glycoprotein 2 [EGP2]; cytokeratin 19,her2/neu +, p53 +,The cells are positive for expression of Her2-neu and for expression of p53.,The cells are negative for expression of estrogen receptor (ER -), but positive for expression of progesterone receptor (PR +).
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Comments
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The tumor was classified as TNM stage IIIA, grade 2, ductal carcinoma with 1 out of 9 lymph node metastasis. The cells form ducts and morula-like structures (hollow spherical structures lined with a single layer of cells). HCC2157 is positive for the epithelial cell specific marker Epithelial Glycoprotein 2 (EGP2) and for cytokeratin 19. An EBV transformed lymphoblastoid cell line (HCC2157 BL) from the same patient is available as ATCC CRL-2341.
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