Search results for "chemical carcinogenesis"

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Rac1 GTPase, a multifunctional player in the regulation of genotoxic stress response

2013

The Ras-related C3 botulinum toxin substrate 1 (Rac1) belongs to the Ras-homologous (Rho) family of small GTPases, which transduce signals from the outside to the inside of a cell. Rac1 becomes activated upon ligand binding of a variety of receptors, including receptor tyrosine kinases and heterotrimeric G-protein-coupled receptors. After GTP loading by guanine exchange factors (GEFs), GTP-bound Rac1 engages numerous effector proteins, thereby eventually regulating cell motility and adhesion, cell cycle progression through G1, mitosis and meiosis, as well as cell death and metastasis.1 Besides, Rac1 adjusts cellular responses to genotoxic agents, such as UV light and alkylating agents, by r…

Malerac1 GTP-Binding Proteintopoisomerase IIAgingRHOADNA repairDNA damagep38 mitogen-activated protein kinasesApoptosisRAC1Editorials: Cell Cycle FeaturesDNA damage responseReceptor tyrosine kinasechemical carcinogenesisHistonesMiceTransforming Growth Factor betaRho GTPasesAnimalsMolecular BiologyTranscription factoranthracyclinesMice KnockoutbiologyKinaseNeuropeptidesConnective Tissue Growth FactorHMG-CoA reductase inhibitors (statins)Cell BiologyFibrosisgenotoxic stressActinsrac GTP-Binding ProteinsCell biologyOxidative Stressnormal tissue damageGene Expression RegulationLiverBiochemistryDoxorubicinGamma Raysbiology.proteinFemaleDNA DamageMutagensSignal TransductionDevelopmental BiologyCell Cycle
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