2013
DOI: 10.1002/humu.22259
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Novel XPG ( ERCC5 ) Mutations Affect DNA Repair and Cell Survival after Ultraviolet but not Oxidative Stress

Abstract: Nucleotide excision repair (NER) is the most flexible of all known DNA-repair mechanisms, and XPG is a 3'-endonuclease that participates in NER. Mutations in this gene (ERCC5) may result in the human syndrome xeroderma pigmentosum (XP) and, in some cases, in the complex phenotype of Cockayne syndrome (CS). Two Brazilian XP siblings, who were mildly affected, were investigated and classified into the XP-G group. The cells from these patients were highly ultraviolet (UV) sensitive but not sensitive to photosensi… Show more

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Cited by 43 publications
(47 citation statements)
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References 47 publications
(75 reference statements)
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“…No change reported Shiomi et al (2004Shiomi et al ( , 2005 Xpg E791A/E791A TC-NER GG-NER >2 years ND UV-hypersensitive skin and eyes Tian et al (2004a) TTD Xpd TTD Partial TC-NER partial GG-NER 2 years 3 weeks TTD-like brittle hair, grey hair and hair loss, anemia, mild osteoporosis, signs of accelerated aging in multiple tissues, reduced weight de Boer et al (1998ade Boer et al ( ,b, 2002 XFE Xpf m/m ND 3 weeks ND UV-hypersensitive skin and eyes, severe skin cancer predisposition, mild neurodegenerative changes, mild age-related weight loss, reduced fat tissue Tian et al (2004b) Ercc À/À TC-NER GG-NER 3 weeks ND Severe growth deficiency (>50% reduced weight at 3 weeks), abnormalities in multiple tissues, absence of subcutaneous fat, progressive neurodegenerative changes and motor symptoms McWhir et al (1993) and Weeda et al (1997) Xpd XPCS /Xpa À/À TC-NER GG-NER 3 weeks -Severe post-natal growth deficiency (>50%), no subcutaneous fat, abnormalities in multiple organs, neurodegenerative changes and motor symptoms Andressoo et al (2006b) with oxidative DNA damage is an important factor contributing to CS symptoms (Scharer, 2008;Soltys et al, 2013).…”
Section: >2 Years Unalteredmentioning
confidence: 99%
“…No change reported Shiomi et al (2004Shiomi et al ( , 2005 Xpg E791A/E791A TC-NER GG-NER >2 years ND UV-hypersensitive skin and eyes Tian et al (2004a) TTD Xpd TTD Partial TC-NER partial GG-NER 2 years 3 weeks TTD-like brittle hair, grey hair and hair loss, anemia, mild osteoporosis, signs of accelerated aging in multiple tissues, reduced weight de Boer et al (1998ade Boer et al ( ,b, 2002 XFE Xpf m/m ND 3 weeks ND UV-hypersensitive skin and eyes, severe skin cancer predisposition, mild neurodegenerative changes, mild age-related weight loss, reduced fat tissue Tian et al (2004b) Ercc À/À TC-NER GG-NER 3 weeks ND Severe growth deficiency (>50% reduced weight at 3 weeks), abnormalities in multiple tissues, absence of subcutaneous fat, progressive neurodegenerative changes and motor symptoms McWhir et al (1993) and Weeda et al (1997) Xpd XPCS /Xpa À/À TC-NER GG-NER 3 weeks -Severe post-natal growth deficiency (>50%), no subcutaneous fat, abnormalities in multiple organs, neurodegenerative changes and motor symptoms Andressoo et al (2006b) with oxidative DNA damage is an important factor contributing to CS symptoms (Scharer, 2008;Soltys et al, 2013).…”
Section: >2 Years Unalteredmentioning
confidence: 99%
“…Além do reparo de lesões complexas formadas pelo estresse oxidativo pela via de NER, outra forma de participação de NER no reparo de lesões oxidadas é através do papel regulatório de algumas proteínas de NER sobre proteínas de BER. De fato, já foram descritas interações entre proteínas de NER e diversas glicosilases, como por exemplo XPG e NTH1 (Klungland et al, 1999a), XPC e OGG1 (D'Errico et al, 2006), CSB e NEIL1 (Muftuoglu et al, 2009) e NEIL2 (Aamann et al, 2014) (Berra et al, 2013), assim como células XPA (Berra et al, 2013), CSA e CSB (De Waard et al, 2004;D'Errico et al, 2007;Nardo et al, 2009) e XP-G/CS (Soltys et al, 2013).…”
Section: Participação De Ner No Reparo De Danos Causados Por Estresseunclassified
“…Vale lembrar que os sintomas neurológicos que atingem de 25 a 30% dos pacientes XP, pertencentes aos grupos de complementação XP-A, -B, -D e -G (Kraemer et al, 1987) estão associados a uma degeneração progressiva dos neurônios, levando à atrofia do córtex e ao aumento da espessura do osso do crânio (Rapin et al, 2000), enquanto a disfunção neurológica progressiva dos pacientes CS é resultante de um processo patológico diferente, ligado primariamente à desmielinização (ou hipomielinização), que ocorre desde o início do desenvolvimento (Koob et al, 2010 Berra et al, 2013), assim como células XPA (Berra et al, 2013), CSA e CSB (De Waard et al, 2004;D'Errico et al, 2007;Nardo et al, 2009) e XP-G/CS (Soltys et al, 2013). …”
Section: Estresse Oxidativo E Doenças Neurológicas Em Pacientes Com Sunclassified
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