Base excision repair, aging and health span. Export

@article{citeulike:5024792, abstract = {DNA damage and mutagenesis are suggested to contribute to aging through their ability to mediate cellular dysfunction. The base excision repair (BER) pathway ameliorates a large number of DNA lesions that arise spontaneously. Many of these lesions are reported to increase with age. Oxidized guanine, repaired largely via base excision repair, is particularly well studied and shown to increase with age. Spontaneous mutant frequencies also increase with age which suggests that mutagenesis may contribute to aging. It is widely accepted that genetic instability contributes to age-related occurrences of cancer and potentially other age-related pathologies. BER activity decreases with age in multiple tissues. The specific BER protein that appears to limit activity varies among tissues. DNA polymerase-beta is reduced in brain from aged mice and rats while AP endonuclease is reduced in spermatogenic cells obtained from old mice. The differences in proteins that appear to limit BER activity among tissues may represent true tissue-specific differences in activity or may be due to differences in techniques, environmental conditions or other unidentified differences among the experimental approaches. Much remains to be addressed concerning the potential role of BER in aging and age-related health span.}, author = {Xu, G. and Herzig, M. and Rotrekl, V. and Walter, C. A.}, citeulike-article-id = {5024792}, citeulike-linkout-0 = {http://dx.doi.org/10.1016/j.mad.2008.03.001}, citeulike-linkout-1 = {http://view.ncbi.nlm.nih.gov/pubmed/18423806}, citeulike-linkout-2 = {http://www.hubmed.org/display.cgi?uids=18423806}, doi = {10.1016/j.mad.2008.03.001}, issn = {0047-6374}, journal = {Mechanisms of ageing and development}, keywords = {aging, ape, ber, dna, repair, review}, number = {7-8}, pages = {366--382}, posted-at = {2009-06-30 19:11:11}, priority = {2}, title = {Base excision repair, aging and health span.}, url = {http://dx.doi.org/10.1016/j.mad.2008.03.001}, volume = {129}, year = {2008} }

TY - JOUR ID - citeulike:5024792 L3 - citeulike-article-id:5024792 N2 - DNA damage and mutagenesis are suggested to contribute to aging through their ability to mediate cellular dysfunction. The base excision repair (BER) pathway ameliorates a large number of DNA lesions that arise spontaneously. Many of these lesions are reported to increase with age. Oxidized guanine, repaired largely via base excision repair, is particularly well studied and shown to increase with age. Spontaneous mutant frequencies also increase with age which suggests that mutagenesis may contribute to aging. It is widely accepted that genetic instability contributes to age-related occurrences of cancer and potentially other age-related pathologies. BER activity decreases with age in multiple tissues. The specific BER protein that appears to limit activity varies among tissues. DNA polymerase-beta is reduced in brain from aged mice and rats while AP endonuclease is reduced in spermatogenic cells obtained from old mice. The differences in proteins that appear to limit BER activity among tissues may represent true tissue-specific differences in activity or may be due to differences in techniques, environmental conditions or other unidentified differences among the experimental approaches. Much remains to be addressed concerning the potential role of BER in aging and age-related health span. IS - 7-8 JF - Mechanisms of ageing and development SN - 0047-6374 EP - 382 TI - Base excision repair, aging and health span. VL - 129 SP - 366 KW - aging KW - ape KW - ber KW - dna KW - repair KW - review AU - Xu, G AU - Herzig, M AU - Rotrekl, V AU - Walter, CA PY - 2008///g UR - http://dx.doi.org/10.1016/j.mad.2008.03.001 ER -