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Tytuł pozycji:

Extension of longevity and reduction of inflammation is ovarian-dependent, but germ cell-independent in post-reproductive female mice

Tytuł :
Extension of longevity and reduction of inflammation is ovarian-dependent, but germ cell-independent in post-reproductive female mice
Autorzy :
Habermehl, Tracy L.
Parkinson, Kate C.
Hubbard, Gene B.
Ikeno, Yuji
Engelmeyer, Jennifer I.
Schumacher, Björn
Mason, Jeffrey B.
Pokaż więcej
Temat :
Geriatrics and Gerontology
Ageing
Menopause
medicine.disease
medicine
Andrology
Molecular medicine
Somatic cell
Cytokine
medicine.medical_treatment
Germline
Immune system
Germ cell
medicine.anatomical_structure
Inflammation
medicine.symptom
Biology
Original Article
Ovarian
Life span
Aging
Animal Sciences
Źródło :
Animal, Dairy, and Veterinary Science Faculty Publications
Wydawca :
Springer Science and Business Media LLC, 2018.
Rok publikacji :
2018
Opis pliku :
application/pdf
DOI :
10.1007/s11357-018-0049-4
Dostępność :
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::63a3f9e4ef3c8caf2b2e566e9fd4bead
Prawa :
OPEN
Numer akcesji :
edsair.doi.dedup.....63a3f9e4ef3c8caf2b2e566e9fd4bead
Cardiovascular disease, rare in premenopausal women, increases sharply at menopause and is typically accompanied by chronic inflammation. Previous work in our laboratory demonstrated that replacing senescent ovaries in post-reproductive mice with young, actively cycling ovaries restored many health benefits, including decreased cardiomyopathy and restoration of immune function. Our objective here was to determine if depletion of germ cells from young transplanted ovaries would alter the ovarian-dependent extension of life and health span. Sixty-day-old germ cell-depleted and germ cell-containing ovaries were transplanted to post-reproductive, 17-month-old mice. Mean life span for female CBA/J mice is approximately 644 days. Mice that received germ cell-containing ovaries lived 798 days (maximum = 815 days). Mice that received germ cell-depleted ovaries lived 880 days (maximum = 1046 days), 29% further past the time of surgery than mice that received germ cell-containing ovaries. The severity of inflammation was reduced in all mice that received young ovaries, whether germ cell-containing or germ cell-depleted. Aging-associated inflammatory cytokine changes were reversed in post-reproductive mice by 4 months of new-ovary exposure. In summary, germ cell depletion enhanced the longevity-extending effects of the young, transplanted ovaries and, as with germ cell-containing ovaries, decreased the severity of inflammation, but did so independent of germ cells. Based on these observations, we propose that gonadal somatic cells are programed to preserve the somatic health of the organism with the intent of facilitating future germline transmission. As reproductive potential decreases or is lost, the incentive to preserve the somatic health of the organism is lost as well.

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