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Deregulated Nutrient Sensing and Altered Intercellular Communication

by Georgina Cornwall, PhD
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    About the Lecture

    The lecture Deregulated Nutrient Sensing and Altered Intercellular Communication by Georgina Cornwall, PhD is from the course Aging. It contains the following chapters:

    • Deregulated nutrient sensing
    • Altered intercellular communication

    Included Quiz Questions

    1. All are examples of deregulation of the storage and release of nutrients
    2. Increase in hepatic fat content
    3. Change in total body fat composition
    4. Decrease of muscle mass
    5. Increase in mesenteric fat
    1. Increased inflammatory reactions in the process of cell aging
    2. Increased immunosurveilance
    3. Deregulation of nutrient sensing
    4. Decreased capacity to produce inflammatory reactions as cells age
    5. Adrenal dysfunction
    1. All of the answer choices are examples of altered inter-cellular communication
    2. Adrenal dysfunction
    3. Insulin resistance
    4. Altered blood pressure regulation
    5. Autoimmune dysfunction
    1. Communication via gap junctions cause surrounding cells to also undergo the aging process.
    2. No communication occurs between adjacent cells; each cell is protected by it own membrane
    3. Communication via gap junctions send signals from the aging cell to the surrounding cells to form a protective membrane to protect against aging factors.
    4. Communication via gap junctions send signals to the surrounding cells to destroy and consume the aging cell
    5. Although communication between adjacent occur, the aging factors in one cell do not transmit via gap junctions
    1. Exercise prodeces endogenous material that counter acts free radical production in cells.
    2. Exercise increases the production of reactive oxygen species in cells.
    3. Exercise has no effect on cellular aging
    4. Exercise decreases the cells' capacity for nutrient sensing
    5. Exercise increases the cell's capacity for nutrient sensing

    Author of lecture Deregulated Nutrient Sensing and Altered Intercellular Communication

     Georgina Cornwall, PhD

    Georgina Cornwall, PhD


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