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Genetic dissection of glutathione S-transferase omega-1:identification of novel downstream targets and Alzheimer's disease pathways
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作者 Yue Jia Meng-Die Gao +3 位作者 Yun-Fang Liu Lu Lu Gang Chen Ying Chen 《Neural Regeneration Research》 SCIE CAS CSCD 2022年第11期2452-2458,共7页
Alzheimer's disease(AD)is affected by genetic factors.Polymorphisms in the glutathione S-transfe rase omega-1(Gsto1)gene have been shown by genetic correlation analyses performed in different ethnic populations to... Alzheimer's disease(AD)is affected by genetic factors.Polymorphisms in the glutathione S-transfe rase omega-1(Gsto1)gene have been shown by genetic correlation analyses performed in different ethnic populations to be genetic risk factors for AD.Gene expression profile data from BXD recombinant inbred mice were used in combination with genetic and bioinformatic analyses to chara cterize the mechanisms underlying regulation of Gstol variation regulation and to identify network membe rs that may contribute to AD risk or progression.Allele-specific assays confirmed that variation in Gstol expression is controlled by cis-expression quantitative trait loci.We found that Gstol mRNA levels were related to several central nervous system traits,such as glial acidic fibrillary protein levels in the caudate putamen,co rtical gray matter volume,and hippocampus mossy fiber pathway volume.We identified 2168 genes whose expression was highly correlated with that of Gsto1.Some genes were enriched for the most common neurodegenerative diseases.Some Gsto1-related genes identified in this study had previously been identified as susceptibility genes for AD,such as APP,Grin2 b,Ide,and Psenen.To evaluate the relationships between Gstol and candidate network members,we transfected astrocytes with Gstol siRNA and assessed the effect on putative downstream effecto rs.We confirmed that knockdown of Gstol had a significant influence on Pa2g4 expression,suggesting that Pa2g4 may be a downstream effector of Gstol,and that both genes intera ct with other genes in a network during AD pathogenesis. 展开更多
关键词 Alzheimer's disease BXD recombinant inbred mice CO-EXPRESSION correlation analysis expression quantitative trait locus expression variation genetic dissection glutathione s-transferase omega-1 HIPPOCAMPUS proliferation-associated 2G4
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