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- Albani, D, et al.
(författare)
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Insulin-like growth factor 1 receptor polymorphism rs2229765 and circulating interleukin-6 level affect male longevity in a population-based prospective study (Treviso Longeva--TRELONG).
- 2011
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Ingår i: The Aging Male. - 1368-5538. ; 14:4, s. 257-264
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Tidskriftsartikel (refereegranskat)abstract
- Insulin-like growth factor 1 (IGF-1) signaling modulation has been associated with increased lifespan in model organisms, while high levels of circulating interleukin-6 (IL-6) are a marker of disability and mortality. In the prospective, population-based "Treviso Longeva"--TRELONG Study from Italy (n = 668, age range 70-105.5 years at baseline, followed for seven years) we investigated the effects of survival on the IGF-1 receptor (IGF-1R) gene polymorphism rs2229765, the IL-6 gene promoter polymorphism rs1800795, and plasma concentrations of IGF-1 and IL-6, alone or in combination. We found a sex-dependent effect for the IGF-1R rs2229765 polymorphism, as male carriers of the homozygous A/A genotype survived longer, while the IL-6 rs1800795 genotype did not influence overall or sex-specific longevity. Higher IL-6 levels were more detrimental for survival among males than females, while IGF-1 had no dose-response effect. These findings sustain the hypothesis that sex-specific longevity relies on detectable differences in genetic and biochemical parameters between males and females.
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- Caberlotto, L, et al.
(författare)
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Cross-disease analysis of Alzheimer's disease and type-2 Diabetes highlights the role of autophagy in the pathophysiology of two highly comorbid diseases
- 2019
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Ingår i: Scientific reports. - : Springer Science and Business Media LLC. - 2045-2322. ; 9:1, s. 3965-
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Tidskriftsartikel (refereegranskat)abstract
- Evidence is accumulating that the main chronic diseases of aging Alzheimer’s disease (AD) and type-2 diabetes mellitus (T2DM) share common pathophysiological mechanisms. This study aimed at applying systems biology approaches to increase the knowledge of the shared molecular pathways underpinnings of AD and T2DM. We analysed transcriptomic data of post-mortem AD and T2DM human brains to obtain disease signatures of AD and T2DM and combined them with protein-protein interaction information to construct two disease-specific networks. The overlapping AD/T2DM network proteins were then used to extract the most representative Gene Ontology biological process terms. The expression of genes identified as relevant was studied in two AD models, 3xTg-AD and ApoE3/ApoE4 targeted replacement mice. The present transcriptomic data analysis revealed a principal role for autophagy in the molecular basis of both AD and T2DM. Our experimental validation in mouse AD models confirmed the role of autophagy-related genes. Among modulated genes, Cyclin-Dependent Kinase Inhibitor 1B, Autophagy Related 16-Like 2, and insulin were highlighted. In conclusion, the present investigation revealed autophagy as the central dys-regulated pathway in highly co-morbid diseases such as AD and T2DM allowing the identification of specific genes potentially involved in disease pathophysiology which could become novel targets for therapeutic intervention.
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- Gallucci, M, et al.
(författare)
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Factors related to disability: Evidence from the "Treviso Longeva (TRELONG) Study"
- 2010
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Ingår i: Archives of gerontology and geriatrics. - : Elsevier BV. - 1872-6976 .- 0167-4943. ; 52:3, s. 309-16
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Tidskriftsartikel (refereegranskat)abstract
- Prolongation of life is an important public health goal as long as there is an emphasis on the quality of life (QoL) and independent living. Diminishing abilities to ambulate and participate in activities of daily living point to a serious decline in functional health, increasing the risk of institutionalization and death. In our work we found a pattern of factors associated with disability, especially cognitive impairment, as well as stroke, physical activity and performance, reading, and the nutritional biomarkers, blood albumin and high-density lipoprotein cholesterol (HDL-C). The attention to this cluster of markers, suggesting multidimensional prevention, may have unexpected good effects against disability.
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