Dataset Information

Accelerated elastin degradation by age-disease interaction: a common feature in age-related diseases.

ABSTRACT: Aging is a major driving force for many diseases but the relationship between chronological age, the aging process and age-related diseases is not fully understood. Fragmentation and loss of ultra-long-lived elastin are key features in aging and several age-related diseases leading to increased mortality. By comparing the relationship between age and elastin turnover with healthy volunteers, we show that accelerated elastin turnover by age-disease interaction is a common feature of age-related diseases.

SUBMITTER: Shek N

PROVIDER: S-EPMC10899634 | biostudies-literature | 2024 Feb

REPOSITORIES: biostudies-literature

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Publications

Accelerated elastin degradation by age-disease interaction: a common feature in age-related diseases.

Shek Naomi N Choy Anna-Maria AM Lang Chim C CC Miller Bruce E BE Tal-Singer Ruth R Bolton Charlotte E CE Thomson Neil C NC Chalmers James D JD Bown Matt J MJ Newby David E DE Khan Faisel F Huang Jeffrey T J JTJ Huang Jeffrey T J JTJ

npj aging 20240227 1

Aging is a major driving force for many diseases but the relationship between chronological age, the aging process and age-related diseases is not fully understood. Fragmentation and loss of ultra-long-lived elastin are key features in aging and several age-related diseases leading to increased mortality. By comparing the relationship between age and elastin turnover with healthy volunteers, we show that accelerated elastin turnover by age-disease interaction is a common feature of age-related d ...[more]

PMID: 38413600

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Project description:There is a surge of studies confirming that old age spares the ability to bind in visual working memory (VWM) multiple features within singular object representations. Furthermore, it has been suggested that such ability may also be independent of the cultural background of the assessed individual. However, this evidence has been gathered with tasks that use arbitrary bindings of unfamiliar features. Whether age spares memory binding functions when the memoranda are features of everyday life objects remains less well explored. The present study investigated the influence of age, memory delay, and education, on conjunctive binding functions responsible for representing everyday items in VWM. We asked 32 healthy young and 41 healthy older adults to perform a memory binding task. During the task, participants saw visual arrays of objects, colours, or coloured objects presented for 6 s. Immediately after they were asked either to select the objects or the colours that were presented during the study display from larger sets of objects or colours, or to recombine them by selecting from such sets the objects and their corresponding colours. This procedure was repeated immediately after but this time providing a 30 s unfiled delay. We manipulated familiarity by presenting congruent and incongruent object-colour pairings. The results showed that the ability to bind intrinsic features in VWM does not decline with age even when these features belong to everyday items and form novel or well-known associations. Such preserved memory binding abilities held across memory delays. The impact of feature congruency on item-recognition appears to be greater in older than in younger adults. This suggests that long-term memory (LTM) supports binding functions carried out in VWM for familiar everyday items and older adults still benefit from this LTM support. We have expanded the evidence supporting the lack of age effects on VWM binding functions to new feature and object domains (i.e., everyday items). We have confirmed that education does not negatively impact on such ability at old age. Such results have important implications for the selection of culturally unbiased tests to screen for abnormal ageing trajectories.

Dataset Information

Accelerated elastin degradation by age-disease interaction: a common feature in age-related diseases.

Publications

Accelerated elastin degradation by age-disease interaction: a common feature in age-related diseases.

Similar Datasets

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