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Aging of Brain Related with Mitochondrial Dysfunctions

[ Vol. 22 , Issue. 14 ]

Author(s):

Vipin Dhote*, Prem Samundre, Aditya Ganeshpurkar and Aman Upaganlawar   Pages 1668 - 1687 ( 20 )

Abstract:


Advancing age presents a major challenge for the elderly population in terms of quality of life. The risk of cognitive impairment, motor in-coordination, and behavioral inconsistency due to neuronal damage is relatively higher in aging individuals of society. The brain, through its structural and functional integrity, regulates vital physiological events; however, the susceptibility of the brain to aging-related disturbances signals the onset of neurodegenerative diseases. Mitochondrial dysfunctions impair bioenergetic mechanism, synaptic plasticity, and calcium homeostasis in the brain, thus sufficiently implying mitochondria as a prime causal factor in accelerating aging-related neurodegeneration. We have reviewed the fundamental functions of mitochondria in a healthy brain and aimed to address the key issues in aging-related diseases by asking: 1) What goes wrong with mitochondria in the aging brain? 2) What are the implications of mitochondrial damage on motor functions and psychiatric symptoms? 3) How environmental chemicals and metabolic morbidities affect mitochondrial functions? Further, we share insights on opportunities and pitfalls in drug discovery approaches targeting mitochondria to slow down the progression of aging and related neurodegenerative diseases.

Keywords:

Mitochondria, Aging, membrane permeability, Synaptic plasticity, neuropsychiatric symptoms, metabolic morbidity, biomarkers.

Affiliation:

Faculty of Pharmacy, VNS group of Institutions, Department of Pharmacology, Bhopal,, Faculty of Pharmacy, VNS group of Institutions, Department of Pharmacology, Bhopal,, Shri Ram Institute of Technology, Pharmacology;, SNJBs SSDJ College of Pharmacy, Neminagar, Chandwad. Dist: Nashik: 423 101, SNJBs;



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