Vol 84, No 5 (2013)

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Molecular basis of gynecological oncology – TopBP1 protein as the guardian of genome integrity

Ewa Forma, Katarzyna Wójcik-Krowiranda, Andrzej Bieńkiewicz, Magdalena Bryś
DOI: 10.17772/gp/1592
Ginekol Pol 2013;84(5).


Breast cancer is the most common malignancy in women. Its estimated annual incidence is about one million cases worldwide. A number of risk factor have been identified, among them early menarche, late menopause, nulliparity and positive family history. Moreover, a number of highly penetrant breast and ovarian cancer susceptibility genes, such as BRCA1 and BRCA2, have been identified. Recent findings suggest TopBP1 to be a breast and ovarian cancer susceptibility gene. Moreover, TopBP1 protein may be an important prognostic marker of breast cancer. TopBP1 protein is involved in DNA replication, mitosis and meiosis, as well as DNA repair. Deregulation of these processes may have pathological implications in cancer.

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