alexa Direct adhesion to type I and homotrimer collagens by breast carcinoma and embryonic epithelial cells in culture: a comparative study.
Oncology

Oncology

Journal of Carcinogenesis & Mutagenesis

Author(s): Ghersi G, La Fiura AM, Minafra S

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Abstract A continuous cell line of neoplastic cells derived from ductal infiltrating carcinoma of the human breast (8701-BC), was assayed for its ability to adhere to collagen substrates. The collagens used were regular type I and type I homotrimer isolated from primary breast carcinomas. Comparative studies were performed using an embryonic epithelial cell line derived from human intestine (Int. 407). The neoplastic cells adhere equally well to both collagens, while the embryonic epithelial cells recognized only the homotrimer. Some receptor diversity was recognized in the adhesion of the two cell lines to homotrimer collagen. The data demonstrate a functional difference between type I and homotrimer collagen with regard to cellular recognition and attachment. In addition, the data suggest that oncogenic transformation of breast epithelial cells promotes their adhesive properties to interstitial collagens and that this may be relevant to their increased potential to invade host tissue.
This article was published in Eur J Cell Biol and referenced in Journal of Carcinogenesis & Mutagenesis

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