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NY-BR-1 is a novel differentiation marker predominantly expressed in normal breast and breast cancer. It has been shown by Immunohistochemistry (IHC) that NY-BR-1 was present solely in ductal epithelium of normal breast tissue. Invasive carcinoma of the breast and carcinoma in situ were positive for NY-BR-1, whereas most other tumors and normal tissues are negative, with the exceptions of one-third of sweat gland carcinomas and around two percent of prostate carcinoma. NY-BR-1 is reported to express more frequently in estrogen-positive and lymph node-negative primary carcinomas, and more commonly in grade 1 than in grade 2 or grade 3. In a study by Varga et al (2006) forty-nine percent of lymph node metastasis were shown to be positive.
ANKRD30A; ankyrin repeat domain 30A; ankyrin repeat domain-containing protein 30A; breast cancer antigen NY-BR-1; NY-BR-1; serologically defined breast cancer antigen NY-BR-1
1 mL
100 µL
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