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Bone Miner. 1988 Jan;3(3):271-6.

Determination of galactosyl hydroxylysine in urine as a means for the identification of osteoporotic women.

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Dipartimento di Biochemica, Universita' degli Studi di Trieste, Italy.


A sensitive and specific method is proposed to follow bone collagen degradation. The procedure consists of the measurement of galactosyl hydroxylysine (GH) in urine by HPLC. The aim of the work is to assess the predictive values of the method for the identification of post-menopausal osteoporotic women. By assuming the value of 12 mumol/g creatinine as the threshold value, the sensitivity of the test is 87% and the specificity 60%. Individuals with a GH/creatinine ratio of 12 or below are not likely to be at risk of bone fractures: an equivalent predictive value is provided by the measurement of bone density by quantitative computed tomography. This biochemical method is however simple and not invasive and may be frequently repeated.

[Indexed for MEDLINE]

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