Restoration of Immune and Renal Function in Aged Females by Re-Establishment of Active Ovarian Function

Document Type

Article

Journal/Book Title/Conference

Reproduction, Fertility and Development

Volume

29

Issue

10

Publisher

C S I R O Publishing

Publication Date

1-10-2017

First Page

2052

Last Page

2059

Abstract

Proper immune functioning is necessary to maximize reproductive success. In addition, age-Associated uremia in women is often associated with hypothalamic-pituitary-gonadal dysfunction. In the present experiments, we tested immune and renal function to determine if exposure of postreproductive mice to young, reproductively cycling ovaries would influence non-reproductive physiological functions. Control female CBA/J mice were evaluated at 6, 13 and 16 months of age. Additional mice received new (60-day-old) ovaries at 12 months of age and were evaluated at 16 months of age. Consequently, 6-month-old control mice and 16-month-old recipient mice both possessed 6-month-old ovaries and were reproductively cycling. A significant age-related decline in immune function (T-cell subset analysis) was found in 16-month-old mice, but was improved 64% by ovarian transplantation. Renal function (blood urea nitrogen:creatinine ratio) was also decreased with aging, but ovarian transplantation restored function to levels found in 6-month-old mice. In summary, we have shown that immune and renal function, which are negatively influenced by aging, can be positively influenced or restored by re-establishment of active ovarian function in aged female mice. These findings provide a strong incentive for further investigation of the positive influence of young ovaries on restoration of health in postreproductive females.

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