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Related Experiment Video

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Highlighting and Reducing the Impact of Negative Aging Stereotypes During Older Adults' Cognitive Testing

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Cognitive functioning and survival in the elderly: the SSADH C538T polymorphism.

F De Rango¹, O Leone, S Dato

¹Department of Cell Biology, University of Calabria, 87036 Rende, Italy.

Annals of Human Genetics

|May 29, 2008

Summary

This summary is machine-generated.

The SSADH gene

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Area of Science:

Genetics and Aging Research
Neuroscience
Biochemistry

Background:

The Succinic Semialdehyde Dehydrogenase (SSADH, or ALDH5A1) gene's variability influences cognitive function.
Understanding genetic factors impacting cognitive decline in the elderly is crucial.

Purpose of the Study:

To investigate the association between the SSADH gene's C538T polymorphism and cognitive function preservation in the elderly.
To explore the impact of this polymorphism on survival rates in older adults.

Main Methods:

Screening of the C538T variability in the SSADH gene within a sample of 514 individuals from southern Italy (ages 18-107).
Cognitive function was assessed using the Mini-Mental State Examination (MMSE).
Survival analysis was conducted for subjects over 65 years of age.

Main Results:

The T/T genotype of the SSADH gene was overrepresented in elderly subjects (65-85 years) with impaired cognitive function (MMSE ≤ 23).
The T/T genotype was associated with reduced survival rates after 65 years of age.
Enzymatic activity of the T allele protein is 82.5% of the C allele protein.

Conclusions:

SSADH enzyme efficiency is vital for maintaining cognitive function in the elderly.
The C538T polymorphism in the SSADH gene may influence cognitive decline and survival in aging populations.
Genetic variations in SSADH could be a factor in age-related cognitive impairment and longevity.