Gene Set Index Based on Different Modules May Help Differentiate the Mechanisms of Alzheimer’s Disease and Vascular Dementia
Fengkun Zhou,1,2,* Deyao Chen,1,2,* Guoying Chen,1,2,* Peiling Liao,1,2 Rongjie Li,1,2 Qingfang Nong,1,2 Youshi Meng,1,2 Donghua Zou,1 Xianfeng Li1,2 1Department of Neurology, The Fifth Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, 530022, People’s Republic of China;...
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2021
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oai:doaj.org-article:761094b63a384f1d8a540cd581f385fd2021-12-02T11:36:04ZGene Set Index Based on Different Modules May Help Differentiate the Mechanisms of Alzheimer’s Disease and Vascular Dementia1178-1998https://doaj.org/article/761094b63a384f1d8a540cd581f385fd2021-03-01T00:00:00Zhttps://www.dovepress.com/gene-set-index-based-on-different-modules-may-help-differentiate-the-m-peer-reviewed-article-CIAhttps://doaj.org/toc/1178-1998Fengkun Zhou,1,2,* Deyao Chen,1,2,* Guoying Chen,1,2,* Peiling Liao,1,2 Rongjie Li,1,2 Qingfang Nong,1,2 Youshi Meng,1,2 Donghua Zou,1 Xianfeng Li1,2 1Department of Neurology, The Fifth Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, 530022, People’s Republic of China; 2Department of Neurology, The First People’s Hospital of Nanning, Nanning, Guangxi, 530022, People’s Republic of China*These authors contributed equally to this workCorrespondence: Donghua Zou; Xianfeng LiThe Fifth Affiliated Hospital of Guangxi Medical University, 89 Qixing Road, Nanning, Guangxi, 530022, People’s Republic of ChinaTel +867712636189Email danvor0922@hotmail.com; lxianf@sina.comPurpose: Alzheimer’s disease (AD) and vascular dementia shared similar symptoms, the aim of the present study was to identify potential differences in the mechanisms underlying the two diseases.Materials and Methods: The data set including AD, vascular dementia, and control samples was carried out gene differential expression analysis, weighted gene co-expression network analysis, functional enrichment, protein–protein interaction network construction, and least absolute shrinkage and selection operator analysis to reveal the differences in the mechanisms underlying the two diseases and potential diagnostic gene signature.Results: We identified the gene modules related to AD or vascular dementia. Enrichment analysis of module genes and construction of a protein–protein interaction network suggested that the “brown” module may be involved in a chemokine pathway, the “blue” module may be involved in cortisol synthesis and secretion, and the “turquoise” module may be involved in cholinergic synapse transmission. The hub gene-based signature index may be a biomarker of AD and vascular dementia and may even differentiate the two diseases from each other with high area under curve.Conclusion: Our results identified not only core pathways involved in both AD and vascular disease, but also their potentially specific pathways. We proposed the hub gene-based signature index may be useful for diagnosing AD and vascular dementia.Keywords: Alzheimer’s disease, vascular dementia, weighted gene co-expression network analysis, LASSO, WGCNAZhou FChen DChen GLiao PLi RNong QMeng YZou DLi XDove Medical Pressarticlealzheimer's diseasevascular dementiaweighted gene co-expression network analysislassowgcnaGeriatricsRC952-954.6ENClinical Interventions in Aging, Vol Volume 16, Pp 451-463 (2021) |
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alzheimer's disease vascular dementia weighted gene co-expression network analysis lasso wgcna Geriatrics RC952-954.6 |
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alzheimer's disease vascular dementia weighted gene co-expression network analysis lasso wgcna Geriatrics RC952-954.6 Zhou F Chen D Chen G Liao P Li R Nong Q Meng Y Zou D Li X Gene Set Index Based on Different Modules May Help Differentiate the Mechanisms of Alzheimer’s Disease and Vascular Dementia |
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Fengkun Zhou,1,2,* Deyao Chen,1,2,* Guoying Chen,1,2,* Peiling Liao,1,2 Rongjie Li,1,2 Qingfang Nong,1,2 Youshi Meng,1,2 Donghua Zou,1 Xianfeng Li1,2 1Department of Neurology, The Fifth Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, 530022, People’s Republic of China; 2Department of Neurology, The First People’s Hospital of Nanning, Nanning, Guangxi, 530022, People’s Republic of China*These authors contributed equally to this workCorrespondence: Donghua Zou; Xianfeng LiThe Fifth Affiliated Hospital of Guangxi Medical University, 89 Qixing Road, Nanning, Guangxi, 530022, People’s Republic of ChinaTel +867712636189Email danvor0922@hotmail.com; lxianf@sina.comPurpose: Alzheimer’s disease (AD) and vascular dementia shared similar symptoms, the aim of the present study was to identify potential differences in the mechanisms underlying the two diseases.Materials and Methods: The data set including AD, vascular dementia, and control samples was carried out gene differential expression analysis, weighted gene co-expression network analysis, functional enrichment, protein–protein interaction network construction, and least absolute shrinkage and selection operator analysis to reveal the differences in the mechanisms underlying the two diseases and potential diagnostic gene signature.Results: We identified the gene modules related to AD or vascular dementia. Enrichment analysis of module genes and construction of a protein–protein interaction network suggested that the “brown” module may be involved in a chemokine pathway, the “blue” module may be involved in cortisol synthesis and secretion, and the “turquoise” module may be involved in cholinergic synapse transmission. The hub gene-based signature index may be a biomarker of AD and vascular dementia and may even differentiate the two diseases from each other with high area under curve.Conclusion: Our results identified not only core pathways involved in both AD and vascular disease, but also their potentially specific pathways. We proposed the hub gene-based signature index may be useful for diagnosing AD and vascular dementia.Keywords: Alzheimer’s disease, vascular dementia, weighted gene co-expression network analysis, LASSO, WGCNA |
| format |
article |
| author |
Zhou F Chen D Chen G Liao P Li R Nong Q Meng Y Zou D Li X |
| author_facet |
Zhou F Chen D Chen G Liao P Li R Nong Q Meng Y Zou D Li X |
| author_sort |
Zhou F |
| title |
Gene Set Index Based on Different Modules May Help Differentiate the Mechanisms of Alzheimer’s Disease and Vascular Dementia |
| title_short |
Gene Set Index Based on Different Modules May Help Differentiate the Mechanisms of Alzheimer’s Disease and Vascular Dementia |
| title_full |
Gene Set Index Based on Different Modules May Help Differentiate the Mechanisms of Alzheimer’s Disease and Vascular Dementia |
| title_fullStr |
Gene Set Index Based on Different Modules May Help Differentiate the Mechanisms of Alzheimer’s Disease and Vascular Dementia |
| title_full_unstemmed |
Gene Set Index Based on Different Modules May Help Differentiate the Mechanisms of Alzheimer’s Disease and Vascular Dementia |
| title_sort |
gene set index based on different modules may help differentiate the mechanisms of alzheimer’s disease and vascular dementia |
| publisher |
Dove Medical Press |
| publishDate |
2021 |
| url |
https://doaj.org/article/761094b63a384f1d8a540cd581f385fd |
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