Drosophila as a model for age-related impairment in locomotor and other behaviors.
Aging is a multifaceted phenomenon that occurs in most species including humans and the fruit fly, Drosophila melanogaster. One of the most fundamental features of aging is the progressive decline in functional capacity that occurs with age (i.e. functional senescence). Age-related declines in function undermine many aspects of normal youthful physiology including behavior. Age-related behavioral declines are quite telling because they presumably reflect primary functional defects in the nervous system or musculature. Consequently, a more detailed understanding of behavioral declines that occur with age, including mechanisms that impinge on them, could ultimately lead to improved treatment or diagnosis of age-related defects in physiological processes that depend on normal function of the nervous system or musculature. Such advances in diagnosis or treatment would translate into tremendous gains in quality of life for elderly populations. In this article, we review progress using Drosophila to better understand age-related behavioral declines with a focus on age-related locomotor impairment.
Jones
Melanie A
MA
Department of Human and Molecular Genetics, Virginia Commonwealth University School of Medicine, Richmond, VA 23113, USA.
Grotewiel
Mike
M
D000375:Aging / Q000502:physiology*; D000818:Animals; D001522:Behavior, Animal / Q000502:physiology*; D004331:Drosophila melanogaster / Q000502:physiology*; D008124:Locomotion / Q000502:physiology*; D023421:Models, Animal
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