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7.343 The Radical Consequences of Respiration: Reactive Oxygen Species in Aging and Disease (MIT) 7.343 The Radical Consequences of Respiration: Reactive Oxygen Species in Aging and Disease (MIT)

Description

This course will start with a survey of basic oxygen radical biochemistry followed by a discussion of the mechanisms of action of cellular as well as dietary antioxidants. After considering the normal physiological roles of oxidants, we will examine the effects of elevated ROS and a failure of cellular redox capacity on the rate of organismal and cellular aging as well as on the onset and progression of several major diseases that are often age-related. Topics will include ROS-induced effects on stem cell regeneration, insulin resistance, heart disease, neurodegenerative disorders, and cancer. The role of antioxidants in potential therapeutic strategies for modulating ROS levels will also be discussed. This course is one of many Advanced Undergraduate Seminars offered by the Biology D This course will start with a survey of basic oxygen radical biochemistry followed by a discussion of the mechanisms of action of cellular as well as dietary antioxidants. After considering the normal physiological roles of oxidants, we will examine the effects of elevated ROS and a failure of cellular redox capacity on the rate of organismal and cellular aging as well as on the onset and progression of several major diseases that are often age-related. Topics will include ROS-induced effects on stem cell regeneration, insulin resistance, heart disease, neurodegenerative disorders, and cancer. The role of antioxidants in potential therapeutic strategies for modulating ROS levels will also be discussed. This course is one of many Advanced Undergraduate Seminars offered by the Biology D

Subjects

reactive oxygen species | reactive oxygen species | oxygen | oxygen | ROS | ROS | energy | energy | mitochondria | mitochondria | cell signaling | cell signaling | anti-pathogen | anti-pathogen | oxidative damage | oxidative damage | oncogene | oncogene | antioxidant | antioxidant | insulin resistance | insulin resistance | diabetes | diabetes | stem cell | stem cell | neurodegenerative | neurodegenerative | ischemic | ischemic | ATP | ATP | pathways | pathways | NADPH | NADPH | nox | nox | psd | psd | programmed cell death | programmed cell death | apoptosis | apoptosis | hsc | hsc | hematopoietic | hematopoietic

License

Content within individual OCW courses is (c) by the individual authors unless otherwise noted. MIT OpenCourseWare materials are licensed by the Massachusetts Institute of Technology under a Creative Commons License (Attribution-NonCommercial-ShareAlike). For further information see http://ocw.mit.edu/terms/index.htm

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Alumina-graphite brick

Description

The fused alumina ceramic grain and natural graphite flakes (seen edge on in the micrograph) are held together by a polymer-derived carbon bond and protected from oxidation by a metal (bright Si) which betters oxygen in use to form e.g. SiO2. A true composite material.

Subjects

alumina | aluminium | antioxidant | brick | carbon | ceramic | composite material | graphite | oxygen | silicon | DoITPoMS | University of Cambridge | micrograph | corematerials | ukoer

License

http://creativecommons.org/licenses/by-nc-sa/2.0/uk/

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Nutrition: vitamins and minerals

Description

Both vitamins and minerals are essential in the diet in small quantities.The term ‘vitamin’ was not coined until early in the 20th century, to describe those chemicals in food without which a pattern of deficiency symptoms (often called a deficiency syndrome) occurs. Minerals, also called mineral elements, are those elements other than carbon, hydrogen, oxygen and nitrogen that are found in the body. This unit looks at the two main groups of vitamins: the fat-soluble vitamins A, D, E and K, and the water-soluble vitamins, those of the B group and vitamin C. It also examines the major mineral elements, and the importance of fluid balance in the body.

Subjects

science and nature | antioxidant | diet | electrolyte | enzymes | fluid_balance | health | homeostasis | hormones | minerals | nutrition | osteoporosis | trace_element | vitamins | Education | X000

License

Attribution-Noncommercial-Share Alike 2.0 UK: England & Wales Attribution-Noncommercial-Share Alike 2.0 UK: England & Wales http://creativecommons.org/licenses/by-nc-sa/2.0/uk/ http://creativecommons.org/licenses/by-nc-sa/2.0/uk/

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7.343 The Radical Consequences of Respiration: Reactive Oxygen Species in Aging and Disease (MIT)

Description

This course will start with a survey of basic oxygen radical biochemistry followed by a discussion of the mechanisms of action of cellular as well as dietary antioxidants. After considering the normal physiological roles of oxidants, we will examine the effects of elevated ROS and a failure of cellular redox capacity on the rate of organismal and cellular aging as well as on the onset and progression of several major diseases that are often age-related. Topics will include ROS-induced effects on stem cell regeneration, insulin resistance, heart disease, neurodegenerative disorders, and cancer. The role of antioxidants in potential therapeutic strategies for modulating ROS levels will also be discussed. This course is one of many Advanced Undergraduate Seminars offered by the Biology D

Subjects

reactive oxygen species | oxygen | ROS | energy | mitochondria | cell signaling | anti-pathogen | oxidative damage | oncogene | antioxidant | insulin resistance | diabetes | stem cell | neurodegenerative | ischemic | ATP | pathways | NADPH | nox | psd | programmed cell death | apoptosis | hsc | hematopoietic

License

Content within individual OCW courses is (c) by the individual authors unless otherwise noted. MIT OpenCourseWare materials are licensed by the Massachusetts Institute of Technology under a Creative Commons License (Attribution-NonCommercial-ShareAlike). For further information see https://ocw.mit.edu/terms/index.htm

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https://ocw.mit.edu/rss/all/mit-alllifesciencescourses.xml

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Alumina-graphite brick

Description

The fused alumina ceramic grain and natural graphite flakes (seen edge on in the micrograph) are held together by a polymer-derived carbon bond and protected from oxidation by a metal (bright Si) which betters oxygen in use to form e.g. SiO2. A true composite material.

Subjects

alumina | aluminium | antioxidant | brick | carbon | ceramic | composite material | graphite | oxygen | silicon | doitpoms | university of cambridge | micrograph | corematerials | ukoer | Engineering | H000

License

Attribution-Noncommercial-Share Alike 2.0 UK: England & Wales Attribution-Noncommercial-Share Alike 2.0 UK: England & Wales http://creativecommons.org/licenses/by-nc-sa/2.0/uk/ http://creativecommons.org/licenses/by-nc-sa/2.0/uk/

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