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A Bioinformatics Approach Toward Unravelling the Synaptic Molecular Crosstalk Between Alzheimer's Disease and Diabetes.
Alves, Steven R; da Cruz E Silva, Cristóvão; Rosa, Ilka M; Henriques, Ana Gabriela; da Cruz E Silva, Odete A B.
Afiliación
  • Alves SR; Department of Medical Sciences, Neurosciences and Signalling Group, Institute of Biomedicine, University of Aveiro, Aveiro, Portugal.
  • da Cruz E Silva C; Instituto Superior Técnico, Universidade de Lisboa, Lisboa, Portugal.
  • Rosa IM; Department of Medical Sciences, Neurosciences and Signalling Group, Institute of Biomedicine, University of Aveiro, Aveiro, Portugal.
  • Henriques AG; Department of Medical Sciences, Neurosciences and Signalling Group, Institute of Biomedicine, University of Aveiro, Aveiro, Portugal.
  • da Cruz E Silva OAB; Department of Medical Sciences, Neurosciences and Signalling Group, Institute of Biomedicine, University of Aveiro, Aveiro, Portugal.
J Alzheimers Dis ; 86(4): 1917-1933, 2022.
Article en En | MEDLINE | ID: mdl-35253743
BACKGROUND: Increasing evidence links impaired brain insulin signaling and insulin resistance to the development of Alzheimer's disease (AD). OBJECTIVE: This evidence prompted a search for molecular players common to AD and diabetes mellitus (DM). METHODS: The work incorporated studies based on a primary care-based cohort (pcb-Cohort) and a bioinformatics analysis to identify central nodes, that are key players in AD and insulin signaling (IS) pathways. The interactome for each of these key proteins was retrieved and network maps were developed for AD and IS. Synaptic enrichment was performed to reveal synaptic common hubs. RESULTS: Cohort analysis showed that individuals with DM exhibited a correlation with poor performance in the Mini-Mental State Examination (MMSE) cognitive test. Additionally, APOE ɛ2 allele carriers appear to potentially be relatively more protected against both DM and cognitive deficits. Ten clusters were identified in this network and 32 key synaptic proteins were common to AD and IS. Given the relevance of signaling pathways, another network was constructed focusing on protein kinases and protein phosphatases, and the top 6 kinase nodes (LRRK2, GSK3B, AKT1, EGFR, MAPK1, and FYN) were further analyzed. CONCLUSION: This allowed the elaboration of signaling cascades directly impacting AßPP and tau, whereby distinct signaling pathway play a major role and strengthen an AD-IS link at a molecular level.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Resistencia a la Insulina / Diabetes Mellitus / Enfermedad de Alzheimer Tipo de estudio: Observational_studies Límite: Humans Idioma: En Revista: J Alzheimers Dis Asunto de la revista: GERIATRIA / NEUROLOGIA Año: 2022 Tipo del documento: Article País de afiliación: Portugal Pais de publicación: Países Bajos
Texto completo
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Resistencia a la Insulina / Diabetes Mellitus / Enfermedad de Alzheimer Tipo de estudio: Observational_studies Límite: Humans Idioma: En Revista: J Alzheimers Dis Asunto de la revista: GERIATRIA / NEUROLOGIA Año: 2022 Tipo del documento: Article País de afiliación: Portugal Pais de publicación: Países Bajos