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Anti-Cancer Agents in Medicinal Chemistry

Editor-in-Chief

ISSN (Print): 1871-5206
ISSN (Online): 1875-5992

Apoptosis-related BCL2-family Members: Key Players in Chemotherapy

Author(s): Christos K. Kontos, Maria-Ioanna Christodoulou and Andreas Scorilas

Volume 14, Issue 3, 2014

Page: [353 - 374] Pages: 22

DOI: 10.2174/18715206113139990091

Price: $65

Abstract

Classical chemotherapeutic agents such as mitotic inhibitors (spindle poisons), alkylating agents, antimetabolites, topoisomerase inhibitors, and anthracenediones (anthracyclines) inhibit DNA synthesis and mitosis, thereby killing or impeding the proliferation of rapidly dividing cells. During the last decade, targeted therapy has gained advantage over conventional treatment regimens, as it is more effective against cancer and also much less harmful to normal cells, thus minimizing the side-effects of chemotherapy. This type of treatment blocks the proliferation of cancer cells by inhibiting the function of specific targeted molecules needed for tumor growth and metastasis. Targeted therapy agents include monoclonal antibodies and small-molecule inhibitors, which most commonly target receptor and/or non-receptor tyrosine kinases. Most members of the BCL2 apoptosis-related family regulate cellular fate as a response to antineoplastic agents. Modulations at the mRNA and protein levels of these genes are usually associated with sensitivity or resistance of various types of cancer cells to chemotherapeutic drugs. Moreover, alterations in expression of BCL2-family members, induced by anticancer drug treatment, can trigger or simply facilitate apoptosis. In this review, we summarize information about changes in apoptosis-related gene expression caused directly or indirectly by antineoplastic agents, as well as about the impact of BCL2-family members on the chemosensitivity or chemoresistance of cancer cells.

Keywords: Anticancer agents, antineoplastic agents, chemotherapeutic drugs, molecular tumor markers, monoclonal antibody therapy, targeted therapy.


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