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Does bone resorptio...
Does bone resorption stimulate periosteal expansion? A cross sectional analysis of β-C-telopeptides of type I collagen (CTX), genetic markers of the RANKL pathway, and periosteal circumference as measured by pQCT.
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Kemp, John P (author)
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Sayers, Adrian (author)
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Paternoster, Lavinia (author)
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Evans, David M (author)
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Deere, Kevin (author)
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St Pourcain, Beate (author)
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Timpson, Nicholas J (author)
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Ring, Susan M (author)
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- Lorentzon, Mattias, 1970 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för medicin, avdelningen för invärtesmedicin och klinisk nutrition,Centre for Bone and Arthritis Research,Institute of Medicine, Department of Internal Medicine and Clinical Nutrition
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Lehtimäki, Terho (author)
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- Eriksson, Joel (author)
- Gothenburg University,Göteborgs universitet,Institutionen för medicin, avdelningen för invärtesmedicin och klinisk nutrition,Centre for Bone and Arthritis Research,Institute of Medicine, Department of Internal Medicine and Clinical Nutrition
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Kähönen, Mika (author)
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Raitakari, Olli (author)
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Laaksonen, Marika (author)
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Sievänen, Harri (author)
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Viikari, Jorma (author)
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Lyytikäinen, Leo-Pekka (author)
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Smith, George Davey (author)
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Fraser, William D (author)
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- Vandenput, Liesbeth, 1974 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för medicin, avdelningen för invärtesmedicin och klinisk nutrition,Centre for Bone and Arthritis Research,Institute of Medicine, Department of Internal Medicine and Clinical Nutrition
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- Ohlsson, Claes, 1965 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för medicin, avdelningen för invärtesmedicin och klinisk nutrition,Centre for Bone and Arthritis Research,Institute of Medicine, Department of Internal Medicine and Clinical Nutrition
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Tobias, Jon H (author)
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(creator_code:org_t)
- 2014-03-19
- 2014
- English.
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In: Journal of bone and mineral research : the official journal of the American Society for Bone and Mineral Research. - : Wiley. - 1523-4681. ; 29:4, s. 1015-1024
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Abstract
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- We hypothesised that bone resorption acts to increase bone strength through stimulation of periosteal expansion. Hence, we examined whether bone resorption, as reflected by serum β-C-telopeptides of type I collagen (CTX), is positively associated with periosteal circumference (PC), in contrast to inverse associations with parameters related to bone remodelling such as cortical bone mineral density (BMDC ). CTX and mid-tibial pQCT scans were available in 1130 adolescents (mean age 15.5 years) from the Avon Longitudinal Study of Parents and Children (ALSPAC). Analyses were adjusted for age, gender, time of sampling, tanner stage, lean mass, fat mass and height. CTX was positively related to PC [β= 0.19 (0.13, 0.24)] (coefficient=SD change per SD increase in CTX, 95% CI)], but inversely associated with BMDC [β= -0.46 (-0.52,-0.40)] and cortical thickness [β= -0.11 (-0.18, -0.03)]. CTX was positively related to bone strength as reflected by the strength-strain index (SSI) [β= 0.09 (0.03, 0.14)]. To examine the causal nature of this relationship, we then analysed whether SNPs within key osteoclast regulatory genes, known to reduce areal/cortical BMD, conversely increase PC. Fifteen such genetic variants within or proximal to genes encoding RANK, RANKL and OPG were identified by literature search. Six of the 15 alleles that were inversely related to BMD were positively related to CTX (P<0.05 cut-off) (n=2379). Subsequently, we performed a meta-analysis of associations between these SNPs and PC in ALSPAC (n=3382), Gothenburg Osteoporosis and Obesity Determinants (GOOD) (n=938) and the Young Finns Study (YFS) (n=1558). Five of the 15 alleles that were inversely related to BMD were positively related to PC (P<0.05 cut-off). We conclude that despite having lower BMD, individuals with a genetic predisposition to higher bone resorption have greater bone size, suggesting that higher bone resorption is permissive for greater periosteal expansion.
Subject headings
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Endokrinologi och diabetes (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Endocrinology and Diabetes (hsv//eng)
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- art (subject category)
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- By the author/editor
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Kemp, John P
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Sayers, Adrian
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Paternoster, Lav ...
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Evans, David M
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Deere, Kevin
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St Pourcain, Bea ...
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show more...
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Timpson, Nichola ...
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Ring, Susan M
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Lorentzon, Matti ...
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Lehtimäki, Terho
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Eriksson, Joel
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Kähönen, Mika
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Raitakari, Olli
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Laaksonen, Marik ...
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Sievänen, Harri
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Viikari, Jorma
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Lyytikäinen, Leo ...
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Smith, George Da ...
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Fraser, William ...
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Vandenput, Liesb ...
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Ohlsson, Claes, ...
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Tobias, Jon H
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- About the subject
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- MEDICAL AND HEALTH SCIENCES
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MEDICAL AND HEAL ...
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and Clinical Medicin ...
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and Endocrinology an ...
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Journal of bone ...
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Journal of Bone ...
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University of Gothenburg