Plasma testosterone levels in C57BL/6J male mice: effects of age and disease

J. F. Nelson, K. R. Latham, C. E. Finch

Producción científica: Articlerevisión exhaustiva

67 Citas (Scopus)


Plasma testosterone (T) was measured by radioimmunoassay in both healthy and diseased, mature (8 to 11 months) and senescent (29 to 31 months) C57BL/6J male mice. Pathological lesions in diseased mice included reticulum cell sarcoma and enlarged mesenteric lymph nodes. In healthy mice neither plasma T nor testicular weight differed between age groups. Median levels and 95 percentiles of plasma T in ng/ml were 1.12 (0.19 to 12.18) in mature mice and 1.17 (0 to 7.31) in senescent mice. In diseased mice testicular weight and the range of values of plasma T were significantly reduced. The marked decrease in plasma T and testicular weight in diseased senescent mice illustrates the importance of distinguishing between disease related changes and effects of aging, per se.

Idioma originalEnglish (US)
Páginas (desde-hasta)744-752
Número de páginas9
PublicaciónActa Endocrinologica
EstadoPublished - 1975
Publicado de forma externa

ASJC Scopus subject areas

  • Endocrinology


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