Tumor cell dormancy: implications for the biology and treatment of breast cancer.

Tumor cell dormancy: implications for the biology and treatment of breast cancer. Research Abstract Details 

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Tumor cell dormancy: implications for the biology and treatment of breast cancer. Abstract Text:

Despite progress made in the therapy of solid tumors such as breast cancer, the prognosis of patients even with small primary tumors is still limited by metastatic relapse often long after removal of the primary tumor. Therefore, it has been hypothesized that primary tumors shed tumor cells already at an early stage into the blood circulation. A subset of these disseminated tumor cells may persist in a state of so-called "dormancy". Based on cell culture and animal models, dormancy can occur at two different stages. Single dormant cells are defined as cells with a lack of proliferation and apoptosis with the cells undergoing cell cycle arrest. The micrometastasis model defines tumor cell dormancy as a state of balanced apoptosis and proliferation of micrometastasis resulting in no net increase of tumor mass. Mechanisms leading to a growth activation of dormant tumor cells and the outgrowth of manifest metastases are not completely understood. Genetic predisposition of the dormant cells as well as immunological and angiogenetic influences of the surrounding environment may contribute to this phenomenon. In this review, we summarize findings on different factors for tumor cell dormancy and potential therapeutic implications that should help to reduce metastatic relapse in cancer patients.

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PUBMED ID PMID:

MEDLINE DATE: 2008 Jul-Aug

Tumor cell dormancy: implications for the biology and treatment of breast cancer. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: APMIS : acta pathologica, microbiologica, et immun

VOLUME: 116

Page Numbers: 742-53

Journal Abbreviation: APMIS

ISSN: 0903-4641

DAY: 6

MONTH: 10

YEAR: 2008

Tumor cell dormancy: implications for the biology and treatment of breast cancer. Information

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LANGUAGE: eng

NlmUniqueID: 8803400

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Grant and Affiliation Information for Tumor cell dormancy: implications for the biology and treatment of breast cancer.

AFFILIATION: Department of Obstetrics and Gynecology, University of Tuebingen, Tuebingen, Germany.

Country: Denmark

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MEDLINETA: APMIS

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