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논문 기본 정보

자료유형
학술저널
저자정보
Gupta, Rakesh Kumar (Department of Biochemistry, National Medical College) Patel, Amit Kumar (Department of Pathology ans Incharge, Department of Blood Bank, National Medical College) Shah, Niranjan (Department of Biochemistry, National Medical College) Choudhary, Arun Kumar (Department of Biochemistry, National Medical College) Jha, Uday Kant (Department of Pathology, Shri Mithila Ayurveda Medical College and Research) Yadav, Uday Chandra (Kathmandu National Medical College) Gupta, Pavan Kumar (Department of Microbiology, Doon Paramedical College and Hospital) Pakuwal, Uttam (Manmohan Memorial Eastern Regional Hospital)
저널정보
아시아태평양암예방학회 Asian Pacific journal of cancer prevention : APJCP Asian Pacific journal of cancer prevention : APJCP 제15권 제11호
발행연도
2014.1
수록면
4,405 - 4,409 (5page)

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Reactive oxygen species (ROS), highly reactive molecules, are produced by living organisms as a result of normal cellular metabolism and environmental factors, and can damage nucleic acids and proteins, thereby altering their functions. The human body has several mechanisms to counteract oxidative stress by producing antioxidants. A shift in the balance between oxidants and antioxidants in favor of oxidants is termed as "oxidative stress". Paradoxically, there is a large body of research demonstrating the general effect of oxidative stress on signaling pathways, less is known about the initial and direct regulation of signaling molecules by ROS, or what we term the "oxidative interface." This review focuses on the molecular mechanisms through which ROS directly interact with critical signaling molecules to initiate signaling in a broad variety of cellular processes, such as proliferation and survival (MAP kinases and PI3 kinase), ROS homeostasis, and antioxidant gene regulation (Ref-1 and Nrf-2). This review also deals with classification as well as mechanisms of formation of free radicals, examining their beneficial and deleterious effects on cellular activities and focusing on the potential role of antioxidants in preventing and repairing damage caused by oxidative stress. A discussion of the role of phytochemical antioxidants in oxidative stress, disease and the epigenome is included.

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