期刊
MUTATION RESEARCH-REVIEWS IN MUTATION RESEARCH
卷 753, 期 2, 页码 91-99出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.mrrev.2013.07.001
关键词
Alkylating agents; DNA damage; Autophagy
资金
- Conselho Nacional de Desenvolvimento Cientifico e Tecnologico (CNPq)
- Fundacao de Coordenacao de Aperfeicoamento de Pessoal de Nivel Superior (CAPES)
- CAPES/COFECUB [French-Brazilian collaborative research grant] [583/07]
- PRONEX/FAPERGS/CNPq [10/0044-3]
- Association pour la Recherche sur le Cancer (ARC), Villejuif, France
- CNPq, Brazil
Many alkylating agents are used as chemotherapeutic drugs and have a long history of clinical application. These agents inflict a wide range of DNA damage resulting in a complex cellular response. After DNA damage, cells trigger a series of signaling cascades promoting cellular survival and cell cycle blockage which enables time for DNA repair to occur. More recently, induction of autophagy has been observed in cancer cells after treatment with different DNA-targeted anticancer drugs, including alkylating agents. Several studies have demonstrated that induction of autophagy after DNA damage delays apoptotic cell death and may therefore lead to chemoresistance, which is the limiting factor for successful chemotherapy. On the other hand, depending on the extent of damage and the cellular context, the induction of autophagy may also contribute to cell death. Given these conflicting results, many studies have been conducted to better define the role of autophagy in cancer cells in response to chemotherapy. In this review, we describe the main alkylating agents used in clinical oncology as well as the cellular response they evoke with emphasis on autophagy. (C) 2013 Elsevier B.V. All rights reserved.
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