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  • Title: Hydroxyproline peptides and bone mass in postmenopausal and osteoporotic women.
    Author: Aloia JF, Cohn SH, Zanzi I, Abesamis C, Ellis K.
    Journal: J Clin Endocrinol Metab; 1978 Aug; 47(2):314-8. PubMed ID: 263298.
    Abstract:
    Total and nondialyzable hydroxyproline excretion was measured in 59 postmenopausal women and 68 women with spinal osteoporosis. Hydroxyproline excretion was similar in both groups of women and the hypothesis that hydroxyproline excretion is normally distributed could not be rejected for either group. No relationship was found between hydroxyproline excretion (total and percentage of nondialyzable) and body weight, height, body surface area, or total body calcium or bone mineral content of the radius, or these latter values normalized for age, sex, and body size. There was no difference in hydroxyproline excretion in osteoporotic women who took supplemental calcium as compared to those that did not. These data fail to provide any evidence that bone turnover in osteoporotic women differs from that in younger postmenopausal women, or that osteoporosis arises from a subpopulation of women with rapid bone loss.
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