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Related Concept Videos

Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Metabolism01:18

Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Metabolism

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Geriatric patients show significant variation in how their bodies process medications, which can change how effective and safe treatments are. The liver is the primary organ where drug metabolism occurs, involving two main types of chemical reactions: phase I and II. Phase I metabolism is driven by the cytochrome P450 enzyme system, which includes key types such as CYP3A, CYP2D6, and CYP2C9. Research indicates that while aging doesn't notably alter the levels or activity of these enzymes, it...
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Aging01:26

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Aging is a complex biological phenomenon influenced by various processes that affect cellular and systemic functions. Several prominent theories attempt to explain its mechanisms, highlighting cellular limitations, oxidative damage, and hormonal changes as central factors in aging.
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Several body functions deteriorate with age. The external signs of aging are easily identifiable. For example, the skin becomes dry, less elastic, and thins out, forming wrinkles. The skin of the face begins to appear looser due to a decrease in the levels of elastic and collagen fibers in the connective tissue. Additionally, melanin production in the hair follicle decreases with age, resulting in gray hair. Moreover, the senses of sight and hearing decline, so glasses and hearing aids may...
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Carbohydrates are polymers composed of molecules containing atoms of carbon, hydrogen and oxygen. One gram of carbohydrate can provide four kilo-calories of energy, which makes it the most efficient instant energy source.
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Changes in the Appendicular Skeleton with Age01:09

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The upper and lower limb initially develops as a small bulge called a limb bud, which appears on the lateral side of the early embryo. The upper limb bud appears near the end of the fourth week of development, with the lower limb bud appearing shortly after.
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Related Experiment Video

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Analyzing Ex Vivo Metabolic Flux in Splenic and Cardiac Macrophages and Bone Marrow Monocytes
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Aging and bone metabolism.

Sumito Ogawa

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    |December 18, 2018
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    Summary
    This summary is machine-generated.

    Osteoporosis is an age-related condition impacting bone health and independence. Targeting age-related changes in bone remodeling may offer new strategies for prevention and treatment.

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    Area of Science:

    • Gerontology and Bone Biology
    • Age-related disease mechanisms

    Background:

    • Osteoporosis is a significant age-related risk factor for loss of independence.
    • Current treatments focus on bone health, quality of life (QOL), and fracture prevention.
    • Age-related changes, including hormonal shifts and altered inflammatory status, influence bone remodeling and resorption.

    Purpose of the Study:

    • To explore the role of age-related processes in osteoporosis.
    • To identify potential therapeutic targets for osteoporosis prevention and treatment.

    Main Methods:

    • Review of recent findings on bone remodeling and resorption.
    • Analysis of age-related factors modulating bone metabolism.

    Main Results:

    • Bone remodeling and resorption are significantly modulated by age-related factors.
    • Decreased hormone levels and changes in inflammatory status are key modulators.

    Conclusions:

    • Regulation of age-related processes presents promising therapeutic avenues for osteoporosis.
    • Targeting these mechanisms could enhance bone health and prevent fractures in aging populations.