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Early Life Stages Of Aging Essay

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Aging is a biological process by gradual deterioration of the physiological functions and metabolic processes. (Hilaire Bakala et al 2012) Exposure to stressful situations during early life can have intense health consequences and is impaired throughout life. However some cases of this impact do not become evident until much later in life or decades later, when the individuals begin to show signs of accelerated ageing. (Katherine A. et al 2014). While understanding the relationship between early life and longevity has important implications in the field of aging, we have still little information about the mechanisms involved in the prolonged times scales of stress-aging. A stress can stimulate various pathways leading to increased production of the reactive oxygen species (ROS) it is well known that are highly reactive and capable of damaged many biological macro molecules such as DNA, RNA, Proteins, and Lipids (Govinda Rao 1989; Tian et al 1998). The accumulation of oxidative damaged molecules may cause genetic mutation and cellular senescence (Tian et al 1998). Several data indicates that mitochondria are mostly affected organelles during aging. …show more content…

Mitochondria are the major source of generate ATP production in respiratory chain. (Lehninger et al 1993, Keizo Torii 1992) The effect of age associated changes of mitochondria is produced oxidant maybe due to changes of during electron transport cycle. Hilaire Bakala (et al 2012) Dysfunction of mitochondria produce excessive free radicals it causes mtDNA mutation, reduced mitochondrial ATP production, impair calcium homeostasis it’s a key role in aging process (Kashyap B. Choksi 2007, Reddy and Beal, 2005 Birket and Birch-Machin,

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