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Predicate | Object |
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rdf:type | |
lifeskim:mentions | |
pubmed:issue |
6
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pubmed:dateCreated |
1991-6-13
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pubmed:abstractText |
Urinary excretion of the bone collagen derived pyridinium cross-links pyridinoline (PYD) and deoxypyridinoline (DPD) was measured in 19 patients (4 M:15 F) with untreated thyrotoxicosis, and 20 pre-, and 20 postmenopausal women taking T4 100-200 micrograms daily for autoimmune hypothyroidism. Both PYD and DPD excretion (nanomoles per mmol creatinine) was elevated in the thyrotoxic patients compared to 287 controls; median 131 vs. 26 and 37.5 vs. 7.2, respectively, P less than 0.0001. In premenopausal women mean urinary pyridinium cross-link excretion and serum osteocalcin levels were similar in both T4-treated and matched control groups, despite suppression of serum TSH concentrations to below 0.1 mU/L in 14 of the 20 taking T4. In postmenopausal women mean (+/- 1 SE) urinary PYD excretion (nanomoles per mmol creatinine) was raised in those taking T4, relative to euthyroid controls; 40.0 +/- 2.7 vs. 32.1 +/- 2.3, P less than 0.05. DPD excretion and serum osteocalcin levels were also higher, but not significantly. When only the T4-treated women with a subnormal serum TSH were considered the difference in PYD excretion was more marked, and mean DPD excretion was also significantly elevated; 13.7 +/- 1.3 vs. 10.1 +/- 0.8, P less than 0.05. Conclusion: bone collagen breakdown is increased in thyrotoxicosis, and in postmenopausal women taking sufficient T4 to suppress serum TSH. Similarly treated premenopausal women appear to be at lower risk.
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pubmed:language |
eng
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pubmed:journal | |
pubmed:citationSubset |
AIM
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pubmed:chemical |
http://linkedlifedata.com/resource/pubmed/chemical/Amino Acids,
http://linkedlifedata.com/resource/pubmed/chemical/Collagen,
http://linkedlifedata.com/resource/pubmed/chemical/Cross-Linking Reagents,
http://linkedlifedata.com/resource/pubmed/chemical/Osteocalcin,
http://linkedlifedata.com/resource/pubmed/chemical/Thyroxine,
http://linkedlifedata.com/resource/pubmed/chemical/deoxypyridinoline,
http://linkedlifedata.com/resource/pubmed/chemical/pyridinoline
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pubmed:status |
MEDLINE
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pubmed:month |
Jun
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pubmed:issn |
0021-972X
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pubmed:author | |
pubmed:issnType |
Print
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pubmed:volume |
72
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
1189-94
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pubmed:dateRevised |
2006-11-15
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pubmed:meshHeading |
pubmed-meshheading:2026741-Adult,
pubmed-meshheading:2026741-Aged,
pubmed-meshheading:2026741-Aged, 80 and over,
pubmed-meshheading:2026741-Amino Acids,
pubmed-meshheading:2026741-Bone and Bones,
pubmed-meshheading:2026741-Collagen,
pubmed-meshheading:2026741-Cross-Linking Reagents,
pubmed-meshheading:2026741-Female,
pubmed-meshheading:2026741-Humans,
pubmed-meshheading:2026741-Hyperthyroidism,
pubmed-meshheading:2026741-Male,
pubmed-meshheading:2026741-Middle Aged,
pubmed-meshheading:2026741-Osteocalcin,
pubmed-meshheading:2026741-Thyrotoxicosis,
pubmed-meshheading:2026741-Thyroxine
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pubmed:year |
1991
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pubmed:articleTitle |
Measurement of bone collagen degradation in hyperthyroidism and during thyroxine replacement therapy using pyridinium cross-links as specific urinary markers.
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pubmed:affiliation |
Department of Medicine and Therapeutics, University of Aberdeen, United Kingdom.
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pubmed:publicationType |
Journal Article,
Research Support, Non-U.S. Gov't
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