Bivariate whole genome linkage analysis for femoral neck geometric parameters and total body lean mass

Fei Yan Deng, Peng Xiao, Shu Feng Lei, Lei Zhang, Fang Yang, Zi Hui Tang, Peng Yuan Liu, Yong Jun Liu, Robert R. Recker, Hong Wen Deng

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Abstract

A genome-wide bivariate analysis was conducted for femoral neck GPs and TBLM in a large white sample. We found QTLs shared by GPs and TBLM in the total sample and the sex-specific samples. QTLs with potential pleiotropy were also disclosed. Introduction: Previous studies have suggested that femoral neck cross-section geometric parameters (FNCS-GPs), including periosteal diameter (W), cross-sectional area (CSA), cortical thickness (CT), buckling ratio (BR), and section modulus (Z), are genetically correlated with total body lean mass (TBLM). However, the shared genetic factors between them are unknown. Materials and Methods: To identify the specific QTLs shared by FNCS-GPs and TBLM, we performed bivariate whole genome linkage analysis (WGLA) in a large sample of 451 white families made up of 4498 subjects. Results: Multipoint bivariate linkage analyses for 22 autosomes showed evidence of suggestive or significant linkages (thresholds of LOD = 2.3 and 3.7, respectively) to chromosomes 3q12 and 20q13 in the entire sample, 6p25 and 10q24 in women, and 4p15, 5q34-35 and 7q21 in men. Two-point linkage analyses for chromosome X showed strong linkage to Xp22.13, Xp11.4, Xq22.3, Xq23-24, and Xq25. Complete pleiotropy was identified on 10q24 and 5q35 for TBLM and BR in women and for TBLM and CT in men, respectively. Furthermore, chromosomes 5q34-35, 7q21, 10q24, 20q13, Xp22.13, Xp11.4, and Xq25 are also of importance because of their linkage to multiple trait pairs. For example, linkage to chromosome 10q24 was found for TBLM x W (LOD = 2.31), TBLM x CT (LOD = 2.51), TBLM x CSA (LOD = 2.51), TBLM x BR (LOD = 2.64), and TBLM x Z (LOD = 2.55) in women. Conclusions: In this study, we identified several genomic regions (e.g., 3q12 and 20q13) that seem to be linked to both FNCS-GPs and TBLM. These regions are of interesting because they may harbor genes that may contribute to variation in both FNCS-GPs and TBLM.

Original languageEnglish
Pages (from-to)808-816
Number of pages9
JournalJournal of Bone and Mineral Research
Volume22
Issue number6
DOIs
StatePublished - Jun 2007

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Femur Neck
Genome
Chromosomes
X Chromosome
Genes

All Science Journal Classification (ASJC) codes

  • Surgery

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Bivariate whole genome linkage analysis for femoral neck geometric parameters and total body lean mass. / Deng, Fei Yan; Xiao, Peng; Lei, Shu Feng; Zhang, Lei; Yang, Fang; Tang, Zi Hui; Liu, Peng Yuan; Liu, Yong Jun; Recker, Robert R.; Deng, Hong Wen.

In: Journal of Bone and Mineral Research, Vol. 22, No. 6, 06.2007, p. 808-816.

Research output: Contribution to journalArticle

Deng, FY, Xiao, P, Lei, SF, Zhang, L, Yang, F, Tang, ZH, Liu, PY, Liu, YJ, Recker, RR & Deng, HW 2007, 'Bivariate whole genome linkage analysis for femoral neck geometric parameters and total body lean mass', Journal of Bone and Mineral Research, vol. 22, no. 6, pp. 808-816. https://doi.org/10.1359/jbmr.070303
Deng, Fei Yan ; Xiao, Peng ; Lei, Shu Feng ; Zhang, Lei ; Yang, Fang ; Tang, Zi Hui ; Liu, Peng Yuan ; Liu, Yong Jun ; Recker, Robert R. ; Deng, Hong Wen. / Bivariate whole genome linkage analysis for femoral neck geometric parameters and total body lean mass. In: Journal of Bone and Mineral Research. 2007 ; Vol. 22, No. 6. pp. 808-816.
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abstract = "A genome-wide bivariate analysis was conducted for femoral neck GPs and TBLM in a large white sample. We found QTLs shared by GPs and TBLM in the total sample and the sex-specific samples. QTLs with potential pleiotropy were also disclosed. Introduction: Previous studies have suggested that femoral neck cross-section geometric parameters (FNCS-GPs), including periosteal diameter (W), cross-sectional area (CSA), cortical thickness (CT), buckling ratio (BR), and section modulus (Z), are genetically correlated with total body lean mass (TBLM). However, the shared genetic factors between them are unknown. Materials and Methods: To identify the specific QTLs shared by FNCS-GPs and TBLM, we performed bivariate whole genome linkage analysis (WGLA) in a large sample of 451 white families made up of 4498 subjects. Results: Multipoint bivariate linkage analyses for 22 autosomes showed evidence of suggestive or significant linkages (thresholds of LOD = 2.3 and 3.7, respectively) to chromosomes 3q12 and 20q13 in the entire sample, 6p25 and 10q24 in women, and 4p15, 5q34-35 and 7q21 in men. Two-point linkage analyses for chromosome X showed strong linkage to Xp22.13, Xp11.4, Xq22.3, Xq23-24, and Xq25. Complete pleiotropy was identified on 10q24 and 5q35 for TBLM and BR in women and for TBLM and CT in men, respectively. Furthermore, chromosomes 5q34-35, 7q21, 10q24, 20q13, Xp22.13, Xp11.4, and Xq25 are also of importance because of their linkage to multiple trait pairs. For example, linkage to chromosome 10q24 was found for TBLM x W (LOD = 2.31), TBLM x CT (LOD = 2.51), TBLM x CSA (LOD = 2.51), TBLM x BR (LOD = 2.64), and TBLM x Z (LOD = 2.55) in women. Conclusions: In this study, we identified several genomic regions (e.g., 3q12 and 20q13) that seem to be linked to both FNCS-GPs and TBLM. These regions are of interesting because they may harbor genes that may contribute to variation in both FNCS-GPs and TBLM.",
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AU - Deng, Fei Yan

AU - Xiao, Peng

AU - Lei, Shu Feng

AU - Zhang, Lei

AU - Yang, Fang

AU - Tang, Zi Hui

AU - Liu, Peng Yuan

AU - Liu, Yong Jun

AU - Recker, Robert R.

AU - Deng, Hong Wen

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N2 - A genome-wide bivariate analysis was conducted for femoral neck GPs and TBLM in a large white sample. We found QTLs shared by GPs and TBLM in the total sample and the sex-specific samples. QTLs with potential pleiotropy were also disclosed. Introduction: Previous studies have suggested that femoral neck cross-section geometric parameters (FNCS-GPs), including periosteal diameter (W), cross-sectional area (CSA), cortical thickness (CT), buckling ratio (BR), and section modulus (Z), are genetically correlated with total body lean mass (TBLM). However, the shared genetic factors between them are unknown. Materials and Methods: To identify the specific QTLs shared by FNCS-GPs and TBLM, we performed bivariate whole genome linkage analysis (WGLA) in a large sample of 451 white families made up of 4498 subjects. Results: Multipoint bivariate linkage analyses for 22 autosomes showed evidence of suggestive or significant linkages (thresholds of LOD = 2.3 and 3.7, respectively) to chromosomes 3q12 and 20q13 in the entire sample, 6p25 and 10q24 in women, and 4p15, 5q34-35 and 7q21 in men. Two-point linkage analyses for chromosome X showed strong linkage to Xp22.13, Xp11.4, Xq22.3, Xq23-24, and Xq25. Complete pleiotropy was identified on 10q24 and 5q35 for TBLM and BR in women and for TBLM and CT in men, respectively. Furthermore, chromosomes 5q34-35, 7q21, 10q24, 20q13, Xp22.13, Xp11.4, and Xq25 are also of importance because of their linkage to multiple trait pairs. For example, linkage to chromosome 10q24 was found for TBLM x W (LOD = 2.31), TBLM x CT (LOD = 2.51), TBLM x CSA (LOD = 2.51), TBLM x BR (LOD = 2.64), and TBLM x Z (LOD = 2.55) in women. Conclusions: In this study, we identified several genomic regions (e.g., 3q12 and 20q13) that seem to be linked to both FNCS-GPs and TBLM. These regions are of interesting because they may harbor genes that may contribute to variation in both FNCS-GPs and TBLM.

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