Efficient nucleotide excision repair of cisplatin, oxaliplatin, and Bis-aceto-ammine-dichloro-cyclohexylamine-platinum(IV) (JM216) platinum intrastrand DNA diadducts. 1999

J T Reardon, and A Vaisman, and S G Chaney, and A Sancar
Department of Biochemistry and Biophysics, University of North Carolina School of Medicine, Chapel Hill 27599-7260, USA.

Tumors exhibit a spectrum of cellular responses to chemotherapy ranging from extreme sensitivity to resistance, either intrinsic or acquired. These variable responses are both patient and tumor specific. For platinum DNA-damaging agents, drug resistance depends on the carrier ligand of the platinum complex and is due to a combination of mechanisms including DNA repair. Nucleotide excision repair is the only known mechanism by which bulky adducts, including those generated by platinum chemotherapeutic agents, are removed from DNA in human cells. In this report, we show that the types of DNA lesions generated by three platinum drugs, cisplatin, oxaliplatin, and (Bis-aceto-ammine-dichloro-cyclohexylamine-platinum(IV) (JM216), are repaired in vitro with similar kinetics by the mammalian nucleotide excision repair pathway.

UI MeSH Term Description Entries
D009944 Organoplatinum Compounds Organic compounds which contain platinum as an integral part of the molecule. Compounds, Organoplatinum
D002945 Cisplatin An inorganic and water-soluble platinum complex. After undergoing hydrolysis, it reacts with DNA to produce both intra and interstrand crosslinks. These crosslinks appear to impair replication and transcription of DNA. The cytotoxicity of cisplatin correlates with cellular arrest in the G2 phase of the cell cycle. Platinum Diamminodichloride,cis-Diamminedichloroplatinum(II),cis-Dichlorodiammineplatinum(II),Biocisplatinum,Dichlorodiammineplatinum,NSC-119875,Platidiam,Platino,Platinol,cis-Diamminedichloroplatinum,cis-Platinum,Diamminodichloride, Platinum,cis Diamminedichloroplatinum,cis Platinum
D004249 DNA Damage Injuries to DNA that introduce deviations from its normal, intact structure and which may, if left unrepaired, result in a MUTATION or a block of DNA REPLICATION. These deviations may be caused by physical or chemical agents and occur by natural or unnatural, introduced circumstances. They include the introduction of illegitimate bases during replication or by deamination or other modification of bases; the loss of a base from the DNA backbone leaving an abasic site; single-strand breaks; double strand breaks; and intrastrand (PYRIMIDINE DIMERS) or interstrand crosslinking. Damage can often be repaired (DNA REPAIR). If the damage is extensive, it can induce APOPTOSIS. DNA Injury,DNA Lesion,DNA Lesions,Genotoxic Stress,Stress, Genotoxic,Injury, DNA,DNA Injuries
D004260 DNA Repair The removal of DNA LESIONS and/or restoration of intact DNA strands without BASE PAIR MISMATCHES, intrastrand or interstrand crosslinks, or discontinuities in the DNA sugar-phosphate backbones. DNA Damage Response
D006224 Cricetinae A subfamily in the family MURIDAE, comprising the hamsters. Four of the more common genera are Cricetus, CRICETULUS; MESOCRICETUS; and PHODOPUS. Cricetus,Hamsters,Hamster
D006367 HeLa Cells The first continuously cultured human malignant CELL LINE, derived from the cervical carcinoma of Henrietta Lacks. These cells are used for, among other things, VIRUS CULTIVATION and PRECLINICAL DRUG EVALUATION assays. Cell, HeLa,Cells, HeLa,HeLa Cell
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000077150 Oxaliplatin An organoplatinum complex in which the platinum atom is complexed with 1,2-diaminocyclohexane, and with an oxalate ligand which is displaced to yield active oxaliplatin derivatives. These derivatives form inter- and intra-strand DNA crosslinks that inhibit DNA replication and transcription. Oxaliplatin is an antineoplastic agent that is often administered with FLUOROURACIL and FOLINIC ACID in the treatment of metastatic COLORECTAL NEOPLASMS. Platinum(2+) ethanedioate (1R,2R)-1,2-cyclohexanediamine (1:1:1),1,2-Diaminocyclohexane Platinum Oxalate,1,2-Diamminocyclohexane(trans-1)oxolatoplatinum(II),ACT 078,ACT-078,Cis-oxalato-(trans-l)-1,2-diaminocyclohexane-platinum(II),Eloxatin,Eloxatine,L-OHP Cpd,Oxalato-(1,2-cyclohexanediamine)platinum II,Oxaliplatin, (SP-4-2-(1R-trans))-isomer,Oxaliplatin, (SP-4-2-(1S-trans))-isomer,Oxaliplatin, (SP-4-3-(cis))-isomer,Oxaliplatine,Platinum(II)-1,2-cyclohexanediamine Oxalate,1,2 Diaminocyclohexane Platinum Oxalate,ACT078
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D000970 Antineoplastic Agents Substances that inhibit or prevent the proliferation of NEOPLASMS. Anticancer Agent,Antineoplastic,Antineoplastic Agent,Antineoplastic Drug,Antitumor Agent,Antitumor Drug,Cancer Chemotherapy Agent,Cancer Chemotherapy Drug,Anticancer Agents,Antineoplastic Drugs,Antineoplastics,Antitumor Agents,Antitumor Drugs,Cancer Chemotherapy Agents,Cancer Chemotherapy Drugs,Chemotherapeutic Anticancer Agents,Chemotherapeutic Anticancer Drug,Agent, Anticancer,Agent, Antineoplastic,Agent, Antitumor,Agent, Cancer Chemotherapy,Agents, Anticancer,Agents, Antineoplastic,Agents, Antitumor,Agents, Cancer Chemotherapy,Agents, Chemotherapeutic Anticancer,Chemotherapy Agent, Cancer,Chemotherapy Agents, Cancer,Chemotherapy Drug, Cancer,Chemotherapy Drugs, Cancer,Drug, Antineoplastic,Drug, Antitumor,Drug, Cancer Chemotherapy,Drug, Chemotherapeutic Anticancer,Drugs, Antineoplastic,Drugs, Antitumor,Drugs, Cancer Chemotherapy

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