Keyword search (4,164 papers available)

"Noronha AM" Authored Publications:

Title Authors PubMed ID
1 Enhanced binding of guanylated poly(A) RNA by the LaM domain of LARP1 Kozlov G; Jiang J; Rutherford T; Noronha AM; Wilds CJ; Gehring K; 39016322
CHEMBIOCHEM
2 Structural basis of 3'-end poly(A) RNA recognition by LARP1 Kozlov G; Mattijssen S; Jiang J; Nyandwi S; Sprules T; Iben JR; Coon SL; Gaidamakov S; Noronha AM; Wilds CJ; Maraia RJ; Gehring K; 35979957
CHEMBIOCHEM
3 Hydrated electrons induce the formation of interstrand cross-links in DNA modified by cisplatin adducts Behmand B; Noronha AM; Wilds CJ; Marignier JL; Mostafavi M; Wagner JR; Hunting DJ; Sanche L; 32211848
CHEMBIOCHEM
4 O4-alkyl-2'-deoxythymidine cross-linked DNA to probe recognition and repair by O6-alkylguanine DNA alkyltransferases. McManus FP, O'Flaherty DK, Noronha AM, Wilds CJ 22850722
CHEMBIOCHEM
5 Preparation of covalently linked complexes between DNA and O(6)-alkylguanine-DNA alkyltransferase using interstrand cross-linked DNA. McManus FP, Khaira A, Noronha AM, Wilds CJ 23347328
CHEMBIOCHEM
6 Structural basis of interstrand cross-link repair by O6-alkylguanine DNA alkyltransferase. Denisov AY, McManus FP, O'Flaherty DK, Noronha AM, Wilds CJ 28937154
CHEMBIOCHEM
7 Influence of nucleotide modifications at the C2' position on the Hoogsteen base-paired parallel-stranded duplex of poly(A) RNA. Copp W, Denisov AY, Xie J, Noronha AM, Liczner C, Safaee N, Wilds CJ, Gehring K 28973475
CHEMBIOCHEM
8 Altering Residue 134 Confers an Increased Substrate Range of Alkylated Nucleosides to the E. coli OGT Protein. Schoonhoven NM, O'Flaherty DK, McManus FP, Sacre L, Noronha AM, Kornblatt MJ, Wilds CJ 29137116
CHEMBIOCHEM

 

Title:Hydrated electrons induce the formation of interstrand cross-links in DNA modified by cisplatin adducts
Authors:Behmand BNoronha AMWilds CJMarignier JLMostafavi MWagner JRHunting DJSanche L
Link:https://pubmed.ncbi.nlm.nih.gov/32211848/
DOI:10.1093/jrr/rraa014
Publication:Journal of radiation research
Keywords:anticancer drugsgel electrophoresisoligonucleotidepulse radiolysisradiotherapyrate constant
PMID:32211848 Category:J Radiat Res Date Added:2020-03-27
Dept Affiliation: CHEMBIOCHEM
1 Groupe en sciences des radiations, Faculté de médicine et des sciences de la santé, Université de Sherbrooke, Sherbrooke, Québec, J1H 5N4, Canada.
2 Department of Chemistry and Biochemistry, Concordia University, Montréal, Québec, H4B1R6, Canada.
3 Centre de cinétique rapide ELYSE, Laboratoire de chimie physique, Université de Paris-Saclay 11, Orsay, France.

Description:

Double-stranded oligonucleotides containing cisplatin adducts, with and without a mismatched region, were exposed to hydrated electrons generated by gamma-rays. Gel electrophoresis analysis demonstrates the formation of cisplatin-interstrand crosslinks from the cisplatin-intrastrand species. The rate constant per base for the reaction between hydrated electrons and the double-stranded oligonucleotides with and without cisplatin containing a mismatched region was determined by pulse radiolysis to be 7 × 109 and 2 × 109 M-1 s-1, respectively. These results provide a better understanding of the radiosensitizing effect of cisplatin adducts in hypoxic tumors and of the formation of interstrand crosslinks, which are difficult for cells to repair.





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