Immunologic roles of two metabolic hormones, growth hormone and insulin-like growth factor-I, in aged animals

Article Abstract:

The role of the the growth hormone and the insulin-like growth factor-1 in the aging process of mice is examined. These two metabolic hormones are synthesized by leukocytes, specifically macrophages. Results of previous experiments on resident macrophages from both young and old rats are discussed, especially what happens to them during the aging process. Observations are conflicting, with some indicating that these are enhanced during aging while others suggest that these remain unchanged.

Hormones, Immunity, Immunity (Physiology)

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Studies on micronutrient supplements and immunity in older people

Article Abstract:

A low dose multivitamin and mineral supplement can substantially improve the delayed hypersensitivity skin test responses of elderly people over a 6- to 12-month period. This was gleaned from a study of the effects of a once-a-day type micronutrient supplement on immunity in people 59 years old and above. Significant increases were noted in the delayed hypersensitivity skin test responses of the subjects after 12 months.

Health aspects, Aged, Elderly, Research, Immune system, Trace elements in nutrition, Micronutrients, Delayed hypersensitivity

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Similar abstracts:

• Abstracts: Patterns of age-related immunologic changes. Cellular and biochemical changes in the aging mouse immune system

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