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The quest for genetic determinants of human longevity: challenges and insights

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TLDR
Large-scale linkage studies of long-lived families, longitudinal candidate-gene association studies and the development of analytical methods provide the potential for future progress in human studies of longevity.
Abstract
Twin studies show that genetic differences account for about a quarter of the variance in adult human lifespan. Common polymorphisms that have a modest effect on lifespan have been identified in one gene, APOE, providing hope that other genetic determinants can be uncovered. However, although variants with substantial beneficial effects have been proposed to exist and several candidates have been put forward, their effects have yet to be confirmed. Human studies of longevity face numerous theoretical and logistical challenges, as the determinants of lifespan are extraordinarily complex. However, large-scale linkage studies of long-lived families, longitudinal candidate-gene association studies and the development of analytical methods provide the potential for future progress.

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Citations
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Journal ArticleDOI

Personality Profile of the Children of Long-Lived Parents

TL;DR: Male offspring of long-lived fathers and mothers were more likely to be open to new experiences and be more extroverted compared with male offspring of short-livedFathers or mothers and the female offspring personality traits were unchanged.

Determinants of general health status and specific diseases of elderly women and men: A longitudinal analysis for Western and Eastern Germany

Christian Wegner, +1 more
TL;DR: Gender differences in health outcomes are partly explained by the higher mortality of males and the higher number of non-respondents among females, which emphasises the importance of earlier life stage intervention to reduce disease-specific risk factors.
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Screening of longevity-associated genes based on a comparison between dead and surviving populations

TL;DR: The results suggest that D2S1338-18 is associated with longevity, and this allele was found to be significantly higher in the dead group than in the survival group.
Journal ArticleDOI

Genetic Variation in the CYP2C Monooxygenase Enzyme Subfamily Shows No Association With Longevity in a German Population

TL;DR: In this article, a comprehensive haplotype tagging approach was used to investigate whether allelic variation in the CYP2C-encoding genes was associated with human longevity, and the results suggest that there is no notable influence of sequence variations in the genes on longevity in the examined German population.
References
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Journal ArticleDOI

Gene dose of apolipoprotein E type 4 allele and the risk of Alzheimer's disease in late onset families

TL;DR: The APOE-epsilon 4 allele is associated with the common late onset familial and sporadic forms of Alzheimer9s disease (AD) in 42 families with late onset AD.
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The Future of Genetic Studies of Complex Human Diseases

TL;DR: The identification of the genetic basis of complex human diseases such as schizophrenia and diabetes has proven difficult as mentioned in this paper, and Risch and Merikangas proposed that they can best accomplish this goal by combining the power of the human genome project with association studies.
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Inflamm‐aging: An Evolutionary Perspective on Immunosenescence

TL;DR: The beneficial effects of inflammation devoted to the neutralization of dangerous/harmful agents early in life and in adulthood become detrimental late in life in a period largely not foreseen by evolution, according to the antagonistic pleiotropy theory of aging.
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The impact of heterogeneity in individual frailty on the dynamics of mortality.

TL;DR: Calculations based on Swedish mortality data suggest that standard methods overestimate current life expectancy and potential gains in life expectancy from health and safety interventions, while underestimating rates of individual aging, past progress in reducing mortality, and mortality differentials between pairs of populations.
Journal ArticleDOI

Genes that act downstream of DAF-16 to influence the lifespan of Caenorhabditis elegans

TL;DR: The findings suggest that the insulin/IGF-I pathway ultimately exerts its effect on lifespan by upregulating a wide variety of genes, including cellular stress-response, antimicrobial and metabolic genes, and by downregulating specific life-shortening genes.
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