Journal
BIOGERONTOLOGY
Volume 19, Issue 5, Pages 303-324Publisher
SPRINGER
DOI: 10.1007/s10522-018-9761-9
Keywords
Peroxisome; Ageing; ROS; Catalase; Contact sites
Categories
Funding
- Department of Biotechnology (DBT), Government of India [BT/PR16325/NER/95/117/2015]
- Science and Engineering Research Board (SERB), Department of Science and Technology, Government of India [Early Career Research Award] [ECR/2015/000205]
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Peroxisomes are dynamic organelles essential for optimum functioning of a eukaryotic cell. Biogenesis of these organelles and the diverse functions performed by them have been extensively studied in the past decade. Their ability to perform functions depending on the cell type and growth conditions is unique and remarkable. Oxidation of fatty acids and reactive oxygen species metabolism are the two most important functions of these ubiquitous organelles. They are often referred to as both source and sink of reactive oxygen species in a cell. Recent research connects peroxisome dysfunction to fatal oxidative damage associated with ageing-related diseases/disorders. It is now widely accepted that mitochondria and peroxisomes are required to maintain oxidative balance in a cell. However, our understanding on the inter-dependence of these organelles to maintain cellular homeostasis of reactive oxygen species is still in its infancy. Herein, we summarize findings that highlight the role of peroxisomes in cellular reactive oxygen species metabolism, ageing and age-related disorders.
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