Sibling pair linkage and association studies between peak bone mineral density and the gene locus for the osteoclast-specific subunit (OC116) of the vacuolar proton pump on chromosome 11p12-13

Gwenaelle Carn, Daniel L. Koller, Munro Peacock, Siu Hui, Wayne E. Evans, P. Michael Conneally, C. Conrad Johnston, Tatiana Foroud, Michael Econs

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Abstract

A major determinant of the risk of osteoporosis is peak bone mineral density (BMD), which has been shown to have substantial heritability. The genes for 3 BMD-related phenotypes (autosomal dominant high bone mass, autosomal recessive osteoporosis-pseudoglioma, and autosomal recessives osteopetrosis) are all in the chromosome 11q12-13 region. We reported linkage of peak BMD in a large sample of healthy premenopausal sister pairs to this same chromosomal region, suggesting that the genes underlying these 3 disorders may also play a role in determining peak BMD within the normal population. To test this hypothesis, we examined the gene responsible for 1 form of autosomal recessive osteopetrosis, TCIRG1, which encodes an osteoclast-specific subunit (0C116) of the vacuolar proton pump. We identified 3 variants in the sequence of TCIRG1, but only one, single nuclear polymorphism 906713, had sufficient heterozygosity for use in genetic analyses. Our findings were consistent with linkage to femoral neck BMD, but not to spine BMR, in a sample of 995 healthy premenopausal sister pairs. However, further analysis, using both population and family-based disequilibrium approaches, did not demonstrate any evidence of association between TCIRG1 and the spine or femoral neck BMD. Therefore, our linkage data suggest that the chromosomal region that contains OC116 harbors a gene that affects peak BMD, but our association results indicate that polymorphisms in the OC116 gene do not affect peak BMD.

Original languageEnglish
Pages (from-to)3819-3824
Number of pages6
JournalJournal of Clinical Endocrinology and Metabolism
Volume87
Issue number8
DOIs
StatePublished - 2002

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Proton Pumps
Chromosomes, Human, Pair 13
Osteoclasts
Chromosomes
Bone Density
Minerals
Bone
Genes
Femur Neck
Osteoporosis
Polymorphism
Spine
Osteopetrosis
Information Storage and Retrieval
Population
Ports and harbors
Phenotype
Bone and Bones

ASJC Scopus subject areas

  • Biochemistry
  • Endocrinology, Diabetes and Metabolism

Cite this

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title = "Sibling pair linkage and association studies between peak bone mineral density and the gene locus for the osteoclast-specific subunit (OC116) of the vacuolar proton pump on chromosome 11p12-13",
abstract = "A major determinant of the risk of osteoporosis is peak bone mineral density (BMD), which has been shown to have substantial heritability. The genes for 3 BMD-related phenotypes (autosomal dominant high bone mass, autosomal recessive osteoporosis-pseudoglioma, and autosomal recessives osteopetrosis) are all in the chromosome 11q12-13 region. We reported linkage of peak BMD in a large sample of healthy premenopausal sister pairs to this same chromosomal region, suggesting that the genes underlying these 3 disorders may also play a role in determining peak BMD within the normal population. To test this hypothesis, we examined the gene responsible for 1 form of autosomal recessive osteopetrosis, TCIRG1, which encodes an osteoclast-specific subunit (0C116) of the vacuolar proton pump. We identified 3 variants in the sequence of TCIRG1, but only one, single nuclear polymorphism 906713, had sufficient heterozygosity for use in genetic analyses. Our findings were consistent with linkage to femoral neck BMD, but not to spine BMR, in a sample of 995 healthy premenopausal sister pairs. However, further analysis, using both population and family-based disequilibrium approaches, did not demonstrate any evidence of association between TCIRG1 and the spine or femoral neck BMD. Therefore, our linkage data suggest that the chromosomal region that contains OC116 harbors a gene that affects peak BMD, but our association results indicate that polymorphisms in the OC116 gene do not affect peak BMD.",
author = "Gwenaelle Carn and Koller, {Daniel L.} and Munro Peacock and Siu Hui and Evans, {Wayne E.} and {Michael Conneally}, P. and {Conrad Johnston}, C. and Tatiana Foroud and Michael Econs",
year = "2002",
doi = "10.1210/jc.87.8.3819",
language = "English",
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pages = "3819--3824",
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TY - JOUR

T1 - Sibling pair linkage and association studies between peak bone mineral density and the gene locus for the osteoclast-specific subunit (OC116) of the vacuolar proton pump on chromosome 11p12-13

AU - Carn, Gwenaelle

AU - Koller, Daniel L.

AU - Peacock, Munro

AU - Hui, Siu

AU - Evans, Wayne E.

AU - Michael Conneally, P.

AU - Conrad Johnston, C.

AU - Foroud, Tatiana

AU - Econs, Michael

PY - 2002

Y1 - 2002

N2 - A major determinant of the risk of osteoporosis is peak bone mineral density (BMD), which has been shown to have substantial heritability. The genes for 3 BMD-related phenotypes (autosomal dominant high bone mass, autosomal recessive osteoporosis-pseudoglioma, and autosomal recessives osteopetrosis) are all in the chromosome 11q12-13 region. We reported linkage of peak BMD in a large sample of healthy premenopausal sister pairs to this same chromosomal region, suggesting that the genes underlying these 3 disorders may also play a role in determining peak BMD within the normal population. To test this hypothesis, we examined the gene responsible for 1 form of autosomal recessive osteopetrosis, TCIRG1, which encodes an osteoclast-specific subunit (0C116) of the vacuolar proton pump. We identified 3 variants in the sequence of TCIRG1, but only one, single nuclear polymorphism 906713, had sufficient heterozygosity for use in genetic analyses. Our findings were consistent with linkage to femoral neck BMD, but not to spine BMR, in a sample of 995 healthy premenopausal sister pairs. However, further analysis, using both population and family-based disequilibrium approaches, did not demonstrate any evidence of association between TCIRG1 and the spine or femoral neck BMD. Therefore, our linkage data suggest that the chromosomal region that contains OC116 harbors a gene that affects peak BMD, but our association results indicate that polymorphisms in the OC116 gene do not affect peak BMD.

AB - A major determinant of the risk of osteoporosis is peak bone mineral density (BMD), which has been shown to have substantial heritability. The genes for 3 BMD-related phenotypes (autosomal dominant high bone mass, autosomal recessive osteoporosis-pseudoglioma, and autosomal recessives osteopetrosis) are all in the chromosome 11q12-13 region. We reported linkage of peak BMD in a large sample of healthy premenopausal sister pairs to this same chromosomal region, suggesting that the genes underlying these 3 disorders may also play a role in determining peak BMD within the normal population. To test this hypothesis, we examined the gene responsible for 1 form of autosomal recessive osteopetrosis, TCIRG1, which encodes an osteoclast-specific subunit (0C116) of the vacuolar proton pump. We identified 3 variants in the sequence of TCIRG1, but only one, single nuclear polymorphism 906713, had sufficient heterozygosity for use in genetic analyses. Our findings were consistent with linkage to femoral neck BMD, but not to spine BMR, in a sample of 995 healthy premenopausal sister pairs. However, further analysis, using both population and family-based disequilibrium approaches, did not demonstrate any evidence of association between TCIRG1 and the spine or femoral neck BMD. Therefore, our linkage data suggest that the chromosomal region that contains OC116 harbors a gene that affects peak BMD, but our association results indicate that polymorphisms in the OC116 gene do not affect peak BMD.

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