Replicati the errors appear, the chemical decomposition of bases and reactive oxygen species w Produced during the metabolism, a Besch ending Of DNA in the cell, w While DNA from UV light, ionizing radiation, aggression and chemical exposure of the cell au To see outside the DNA-Sch alleviate to, a number of mechanisms have WZ4002 been developed to a variety of versions of L repair. Several procedures to repair the damage with the single strand as a template intact. Base excision repair DNA glycosylases to recogn Beings and the elimination of non-bulky businesswoman Defendant bases. BER has been discussed in detail previously. Nucleotide excision removes bulky distortion of the DNA helix, and is crucial for the treatment of L versions, Induced by UV and chemical adducts.
Th e mismatch repair system removes base pair mismatches and small insertions mismatch tion or oppression, which w During replication can occur k. DSB repair by homologous compound or homologous recombination. NHEJ is anf Lliger for L Mixes and other closures changes Processed in the fragmented P450 Inhibitors ends and with no model available to bound the accuracy to weight Hrleisten. HR is essentially a mechanism for detecting the error of w During the S or G phase of the cell cycle when the sister chromatid can provide a template for accurate repair occurs. HR is also in the repair of L versions, Which involved interfere with the replication fork. A more detailed discussion of DSB repair is elsewhere. Transl Sion synthesis synthesis is a process tolerance, the DNA replication to certain DNA-L sionen Through specialized polymerases substituting Transl Sion synthesis that can handle operate in the presence of nucleotides dam Damaged.
TLS is in the removal of cross-links between beaches involved nts. All the above procedures for the cell, the F Ability of genomic fidelity hold much. St requirements These paths towards a Pr Disposition for DNA Sch And then the Ufen end mutations anh. Mutations in tumor suppressor genes, oncogenes and genes survive in this and the growth of other cells involved k Can lead to the development of cancer. In addition, there is a growing body of evidence that tumors anh mutations Ufen in proteins DNA repair, as they progress, increasingly th Malig. In addition to playing an r Agents in the development of cancer, the mechanisms of DNA repair great influence on the response to cytotoxic treatments, including normal radiation and chemotherapy, the cellular target Re DNA.
Not surprisingly, there is a great interest in it M Possibilities of DNA repair in the field of oncology fi. Since the details of the molecular and genetic pathways of DNA repair and their regulation has become increasingly characterized by new M Opportunities arose for therapeutic intervention. For various reasons, the treatment of breast cancer plays an r Central to the development of these new areas. Recombination BRCA, BRCA and counterpart were t in the round BRCA and BRCA identified for as a tumor-suppressor genes. For a significant proportion of major hereditary breast cancer For women who are Tr hunters that are gesch PROTECTED risk of developing breast cancer and ovarian cancer by age and each. Tr gerstoffe Also a high risk of prostate, pancreatic and other cancers. BRCA serves as Co wheel factor facilitating the formation and nuclear complain fi wheel stimulating recombination mediated.