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Calcitonin secretion rate in elderly normal subjects.
M Pedrazzoni1, G Ciotti, L Davoli
1Istituto di Clinica Medica Generale e Terapia Medica, Università di Parma, Italy.
Journal of Endocrinological Investigation
|June 1, 1990
Summary
Elderly men have higher calcitonin (CT) secretion rates than women, despite similar metabolic clearance. This suggests lower CT production contributes to lower hormone levels in older women.
Area of Science:
- Endocrinology
- Gerontology
- Metabolic Research
Background:
- Calcitonin (CT) plays a role in calcium homeostasis.
- Age-related changes in hormone levels are common, but CT secretion in the elderly is not well understood.
Purpose of the Study:
- To investigate the metabolic clearance rate (MCR) and secretion rate (SR) of calcitonin (CT) in elderly men and women.
- To determine if sex differences exist in CT MCR and SR in an aging population.
Main Methods:
- The study measured basal calcitonin levels, MCR, and SR in elderly men and women.
- Statistical analysis was used to compare these parameters between sexes.
Main Results:
- Basal CT levels were significantly higher in elderly men than in women.
- CT MCR did not differ significantly between sexes.
- CT SR was significantly higher in elderly men compared to women.
Conclusions:
- Elderly men exhibit a higher calcitonin secretion rate than elderly women.
- Lower basal calcitonin levels in elderly women are likely due to a reduced production rate, not altered clearance.
- These findings contribute to understanding age- and sex-related endocrine differences.