Human Gene Set: KYNG_WERNER_SYNDROM_AND_NORMAL_AGING_UP


Standard name KYNG_WERNER_SYNDROM_AND_NORMAL_AGING_UP
Systematic name M1992
Brief description Genes up-regulated similarly in primary fibroblast cultures from Werner syndrom patients and normal old donors compared to those from normal young donors.
Full description or abstract Werner syndrome (WS) is a premature aging disorder, displaying defects in DNA replication, recombination, repair, and transcription. It has been hypothesized that several WS phenotypes are secondary consequences of aberrant gene expression and that a transcription defect may be crucial to the development of the syndrome. We used cDNA microarrays to characterize the expression of 6,912 genes and ESTs across a panel of 15 primary human fibroblast cell lines derived from young donors, old donors, and WS patients. Of the analyzed genes, 6.3% displayed significant differences in expression when either WS or old donor cells were compared with young donor cells. This result demonstrates that the WS transcription defect is specific to certain genes. Transcription alterations in WS were strikingly similar to those in normal aging: 91% of annotated genes displayed similar expression changes in WS and in normal aging, 3% were unique to WS, and 6% were unique to normal aging. We propose that a defect in the transcription of the genes as identified in this study could produce many of the complex clinical features of WS. The remarkable similarity between WS and normal aging suggests that WS causes the acceleration of a normal aging mechanism. This finding supports the use of WS as an aging model and implies that the transcription alterations common to WS and normal aging represent general events in the aging process.
Collection C2: Curated
      CGP: Chemical and Genetic Perturbations
Source publication Pubmed 14527998   Authors: Kyng KJ,May A,Kølvraa S,Bohr VA
Exact source Table 7S: Normal Old > 0 & WS > 0 & |Normal Old - WS| < 0.5
Related gene sets (show 5 additional gene sets from the source publication)

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Source species Homo sapiens
Contributed by Arthur Liberzon (MSigDB Team)
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identifier namespace		 HUMAN_SEQ_ACCESSION
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Version history 3.1: First introduced

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