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Nair S, Bhadricha H, Patil A, Surve S, Joshi B, Balasinor N, Desai M. Association of OPG and RANKL gene polymorphisms with bone mineral density in Indian women. Gene 2022; 840:146746. [PMID: 35868414 DOI: 10.1016/j.gene.2022.146746] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2022] [Revised: 06/01/2022] [Accepted: 07/14/2022] [Indexed: 11/18/2022]
Abstract
Osteoprotegerin (OPG) and receptor activator of the NF-kB ligand (RANKL) are key players in bone remodelling. Reports show that OPG and RANKL gene polymorphisms are associated with osteoporosis and fracture risk. The aim of this study was to examine the influence of 5 single nucleotide polymorphisms (SNPs) in OPG and RANKL gene on bone mineral density (BMD) in Indian women. The study included 374 healthy Indian women. Kompetitive Allele Specific PCR (KASP) was used for genotyping. There was a significant difference in the BMD at spine between genotypes of OPG rs2073618 (CC: 0.988 ± 0.167 CG: 1.023 ± 0.17 GG: 1.053 ± 0.155; p = 0.039) which was lost upon adjustment for age and BMI (p = 0.087). Multiple linear regression revealed that genotypes of OPG rs2073618 (β = 0.098; p = 0.027) and rs3102735 (β = 0.092; p = 0.038) are predictors of BMD at spine in Indian women. We did not observe any association of SNPs in RANKL gene with BMD. Thus, SNPs rs2073618 and rs3102735 in OPG gene may influence BMD at spine in Indian women.
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Affiliation(s)
- Sandhya Nair
- Molecular Immunodiagnostics Division, ICMR-National Institute for Research in Reproductive and Child Health, Jehangir Merwanji Street, Parel, Mumbai 400 012, India
| | - Hetal Bhadricha
- Molecular Immunodiagnostics Division, ICMR-National Institute for Research in Reproductive and Child Health, Jehangir Merwanji Street, Parel, Mumbai 400 012, India
| | - Anushree Patil
- Department of Clinical Research, ICMR-National Institute for Research in Reproductive and Child Health, Jehangir Merwanji Street, Parel, Mumbai 400 012, India
| | - Suchitra Surve
- Department of Clinical Research, ICMR-National Institute for Research in Reproductive and Child Health, Jehangir Merwanji Street, Parel, Mumbai 400 012, India
| | - Beena Joshi
- Department of Operational Research, ICMR-National Institute for Research in Reproductive and Child Health, Jehangir Merwanji Street, Parel, Mumbai 400 012, India
| | - Nafisa Balasinor
- Neuroendocrinology Division, ICMR-National Institute for Research in Reproductive and Child Health, Jehangir Merwanji Street, Parel, Mumbai 400 012, India
| | - Meena Desai
- Molecular Immunodiagnostics Division, ICMR-National Institute for Research in Reproductive and Child Health, Jehangir Merwanji Street, Parel, Mumbai 400 012, India.
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Zhang Y, Fan Q, Guo Y, Zhu K. Eight-gene signature predicts recurrence in lung adenocarcinoma. Cancer Biomark 2021; 28:447-457. [PMID: 32508318 DOI: 10.3233/cbm-190329] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
BACKGROUND Recurrence significantly influences the survival in patients with lung adenocarcinoma (LUAD). However, there are less gene signatures that predict recurrence risk of LUAD. OBJECTIVE We performed this study to construct a model to predict risk of recurrence in LUAD. METHODS RNA-seq data from 426 patients with LUAD were downloaded from The Cancer Genome Atlas (TCGA) and were randomly assigned into the training (n= 213) and validation set (n= 213). Differentially expressed genes (DEGs) between recurrent and non-recurrent tumors in the training set were identified. Recurrence-associated DEGs were selected using multivariate Cox regression analysis. The recurrence risk model that identifies patients at low and high risk for recurrence was constructed, followed by the validation of its performance in the validation set and a microarray dataset. RESULTS In total, 378 DEGs, including 20 recurrence-associated DEGs, were identified between the recurrent and non-recurrent tumors in the training set. The signatures of 8 genes (including AZGP1, INPP5J, MYBPH, SPIB, GUCA2A, HTR1B, SLC15A1 and TNFSF11) were used to construct the prognostic model to assess the risk of recurrence. This model indicated that patients with high risk scores had shorter recurrence-free survival time compared with patients with low risk scores. ROC curve analysis of this model showed it had high predictive accuracy (AUC > 0.8) to predict LUAD recurrence in the TCGA cohort (the training and validation sets) and GSE50081 dataset. This prognostic model showed high predictive power and performance in predicting recurrence in LUAD. CONCLUSION We concluded that this model might be of great value for evaluating the risk of recurrence of LUAD in clinics.
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Affiliation(s)
- Yongjian Zhang
- Department of Cardiothoracic Surgery, The Affiliated Hospital of Jiangnan University, Wuxi, Jiangsu, China.,Department of Cardiothoracic Surgery, The Affiliated Hospital of Jiangnan University, Wuxi, Jiangsu, China
| | - Qiang Fan
- Department of Oncology Radiology, The Affiliated Hospital of Jiangnan University, Wuxi, Jiangsu, China.,Department of Cardiothoracic Surgery, The Affiliated Hospital of Jiangnan University, Wuxi, Jiangsu, China
| | - Yingying Guo
- Department of Cardiothoracic Surgery, The Affiliated Hospital of Jiangnan University, Wuxi, Jiangsu, China
| | - Koujun Zhu
- Department of Cardiothoracic Surgery, The Affiliated Hospital of Jiangnan University, Wuxi, Jiangsu, China
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Abdi S, Binbaz RA, Mohammed AK, Ansari MG, Wani K, Amer OE, Alnaami AM, Aljohani N, Al-Daghri NM. Association of RANKL and OPG Gene Polymorphism in Arab Women with and without Osteoporosis. Genes (Basel) 2021; 12:genes12020200. [PMID: 33572979 PMCID: PMC7910965 DOI: 10.3390/genes12020200] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2020] [Revised: 01/17/2021] [Accepted: 01/25/2021] [Indexed: 12/31/2022] Open
Abstract
Receptor activator of the nuclear factor-κB ligand (RANKL) and osteoprotegerin genes (OPG) were identified as susceptible loci for postmenopausal osteoporosis (PMO) in various ethnicities, but neither have been studied in an Arabian population. Hence, the current study aimed to fill this gap. A total of 372 postmenopausal women (174 osteoporosis (OP) and 198 control group (CTRs)) were genotyped for four SNPs: rs2277438A/G and rs9533156T/C (RANKL), and rs2073618C/G and rs3102735T/C (OPG). Anthropometrics, bone mineral density, 25(OH)D and several other bone markers were measured. The frequency distribution of the heterozygous CG genotype of rs2073618 (OPG) was lower in the OP (36.8%) than in CTRs (47%) (OR: 0.6, 95% CI: 0.3–0.97; p = 0.041). No differences in the allelic/genotypic frequencies were detected between the two groups for all other studied SNPs. However, the heterozygous TC genotype of rs3102735 (OPG) was associated significantly with lower BMD at the femoral neck in OP subjects (p = 0.04). The homozygous rare CC genotype of rs9533156 (RANKL) was associated with lower 25(OH)D levels in CTRs (p = 0.032). In contrast, heterozygous AG genotype of rs2277438 (RANKL) is associated with lower 25(OH)D in the OP group (p = 0.02). Our results suggest that RANKL SNPs may impact 25(OH)D levels and that OPG SNP rs2073618A/G is a significant genetic risk factor for PMO Saudi Arabian women.
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Affiliation(s)
- Saba Abdi
- Biochemistry Department, College of Science, King Saud University, Riyadh 11451, Saudi Arabia; (S.A.); (R.A.B.); (A.K.M.); (K.W.); (O.E.A.); (A.M.A.); (N.A.)
| | - Rawan A. Binbaz
- Biochemistry Department, College of Science, King Saud University, Riyadh 11451, Saudi Arabia; (S.A.); (R.A.B.); (A.K.M.); (K.W.); (O.E.A.); (A.M.A.); (N.A.)
| | - Abdul Khader Mohammed
- Biochemistry Department, College of Science, King Saud University, Riyadh 11451, Saudi Arabia; (S.A.); (R.A.B.); (A.K.M.); (K.W.); (O.E.A.); (A.M.A.); (N.A.)
- Sharjah Institute of Medical Research, University of Sharjah, Sharjah 27272, UAE;
| | - Mohammed G.A. Ansari
- Sharjah Institute of Medical Research, University of Sharjah, Sharjah 27272, UAE;
| | - Kaiser Wani
- Biochemistry Department, College of Science, King Saud University, Riyadh 11451, Saudi Arabia; (S.A.); (R.A.B.); (A.K.M.); (K.W.); (O.E.A.); (A.M.A.); (N.A.)
| | - Osama E. Amer
- Biochemistry Department, College of Science, King Saud University, Riyadh 11451, Saudi Arabia; (S.A.); (R.A.B.); (A.K.M.); (K.W.); (O.E.A.); (A.M.A.); (N.A.)
| | - Abdullah M. Alnaami
- Biochemistry Department, College of Science, King Saud University, Riyadh 11451, Saudi Arabia; (S.A.); (R.A.B.); (A.K.M.); (K.W.); (O.E.A.); (A.M.A.); (N.A.)
| | - Naji Aljohani
- Biochemistry Department, College of Science, King Saud University, Riyadh 11451, Saudi Arabia; (S.A.); (R.A.B.); (A.K.M.); (K.W.); (O.E.A.); (A.M.A.); (N.A.)
- Obesity, Endocrine and Metabolic Center, King Fahad Medical City, Riyadh 59046, Saudi Arabia
| | - Nasser M. Al-Daghri
- Biochemistry Department, College of Science, King Saud University, Riyadh 11451, Saudi Arabia; (S.A.); (R.A.B.); (A.K.M.); (K.W.); (O.E.A.); (A.M.A.); (N.A.)
- Correspondence: ; Tel.: +966-1-4675939
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Wawrzyniak A, Skrzypczak-Zielinska M, Krela-Kazmierczak I, Michalak M, Marszalek D, Marcinkowska M, Zakerska-Banaszak O, Slomski R. Analysis of the tumor necrosis factor superfamily member 11 gene polymorphism with bone mineral density and bone fracture frequency in patients with postmenopausal osteoporosis. Adv Med Sci 2020; 65:291-297. [PMID: 32446200 DOI: 10.1016/j.advms.2020.05.001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2019] [Revised: 03/06/2020] [Accepted: 05/02/2020] [Indexed: 10/24/2022]
Abstract
PURPOSE We aimed to examine the polymorphism of the promoter and exon 5 of the TNFSF11 gene and their impact on bone mineral density (BMD) and the frequency of bone fractures. TNFSF11 encodes the receptor activator of the NF-kB ligand (RANKL), a key regulator of bone metabolism and osteoporosis drug targets. BMD is an essential measure in diagnosing osteoporosis and assessing the risk of fractures. In vivo, RANKL expression research suggests that promoter TNFSF11 variants influence BMD. Moreover, exon 5 polymorphism of a linear epitope sequence for a denosumab could be related to the effectiveness of biological therapy. PATIENTS AND METHODS The study included 114 postmenopausal osteoporosis patients. BMD was measured in the lumbar spine and the femoral neck. Genetic analysis was performed using Sanger sequencing. Genotypes data for 263 female European population group were obtained from the 1000Genomes database. RESULTS We identified six promoter polymorphisms (rs9525641, rs9533155, rs9533156, rs11839112, rs28926171, rs183599708) and one silent TNFSF11 variant in exon 5 (rs9562415). Three of the sequence variants detected (rs9525641, rs9533155, rs9533156) proved to be polymorphic, whereas the others four occurred at a frequency below 2%. The statistical analysis demonstrated no significant differences between polymorphisms and BMD, and bone fractures. However, variant rs9533156 was relevant with the lumbar spine T-score (p = 0.0273), and no association with BMD was of borderline significance (p = 0.0529). CONCLUSIONS Variant rs9533156 may contribute to the genetic regulation of BMD in Polish postmenopausal osteoporosis, while the exon 5 sequence of the TNFSF11 gene is very conservative.
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González-Mercado A, Sánchez-López JY, Perea-Díaz FJ, Magaña-Torres MT, Salazar-Páramo M, González-López L, González-Mercado MG, Ibarra-Cortés B. Association of polymorphisms of the TNFRSF11B and TNFSF11 genes with bone mineral density in postmenopausal women from western Mexico. Arch Med Sci 2019; 15:1352-1356. [PMID: 31572484 PMCID: PMC6764302 DOI: 10.5114/aoms.2019.87410] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/09/2017] [Accepted: 05/05/2017] [Indexed: 12/03/2022] Open
Affiliation(s)
- Anahi González-Mercado
- Doctorado en Genética Humana, CUCS, UdeG. Guadalajara, Jalisco, México
- División de Genética, CIBO, IMSS, Guadalajara, Jalisco, México
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Techapatiphandee M, Tammachote N, Tammachote R, Wongkularb A, Yanatatsaneejit P. VDR and TNFSF11 polymorphisms are associated with osteoporosis in Thai patients. Biomed Rep 2018; 9:350-356. [PMID: 30233789 DOI: 10.3892/br.2018.1137] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2018] [Accepted: 07/31/2018] [Indexed: 12/13/2022] Open
Abstract
Determining molecular markers for osteoporosis may be valuable for improving the quality of life of affected elderly patients by aiding in early detection and disease management. In the present study, the association between single nucleotide polymorphisms (SNPs) of the vitamin D receptor (VDR) and tumour necrosis factor superfamily number 11 (TNFSF11) genes and the susceptibility of developing osteoporosis was investigated in a Thai female cohort. The study group consisted of 105 Thai postmenopausal patients diagnosed with osteoporosis and 132 healthy Thai postmenopausal female volunteers. DNA extracted from blood samples was used to genotype the VDR and TNFSF11 genes using polymerase chain reaction-restriction fragment length polymorphism and sequencing analysis. For VDR, the frequencies of the genotypes TT, CT and CC for the TaqI SNP (rs731236) were 87.88, 11.36 and 0.76%, respectively, in the control group, while in the osteoporosis cohort were 92.38, 5.71 and 1.91%, respectively. For the FokI SNP (rs2228570), the frequencies of the genotypes CC, CT and TT were 31.06, 55.30 and 13.64%, respectively, in the control group, and in the osteoporosis group were 29.52, 43.81 and 26.67%, respectively. For BsmI SNP (rs1544410), the frequencies of the genotypes GG, GA and AA were 78.03, 18.94 and 3.03%, respectively, in control group, and in the osteoporosis group were 80.95, 18.10 and 0.95%, respectively. The significant risk of osteoporosis associated with the FokI SNP was determined. The odds ratio (95% confidence interval) was 2.30 (1.14-4.69; P=0.01) among patients with osteoporosis with TT as the susceptibility genotype. For TNFSF11, the frequencies of the genotypes TT, CT and CC for the -290C>T SNP (rs9525641) in the control group were 36.36, 50.76 and 12.88%, respectively, while in the osteoporosis group were 31.43, 56.19 and 12.38%, respectively. For the -643C>T SNP (rs9533156), the frequencies of the genotypes TT, CT and CC in the control group were 35.61, 48.48 and 15.91%, respectively, while in the osteoporosis group were 32.38, 55.24 and 12.38%, respectively. For the -693G>C SNP (rs9533155), the frequencies of the genotypes CC, CG, and GG in the control group were 39.39, 46.97 and 13.64%, respectively, and in the osteoporosis group were 36.19, 53.33 and 10.48%, respectively. No significant associations of the TNFSF11 SNPs with osteoporosis were determined; however, it was notable that the GCT haplotype of TNFSF11 may be a protective haplotype for osteoporosis. Therefore, it was concluded that the SNP FokI of VDR may be a potential molecular biomarker for the development of osteoporosis in Thai females.
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Affiliation(s)
- Mananya Techapatiphandee
- Human Genetics Research Group, Department of Botany, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand
| | - Nattapol Tammachote
- Department of Orthopaedics, Faculty of Medicine, Thammasat University Hospital, Khlong Nueng, Pathumthani 12120, Thailand
| | - Rachaneekorn Tammachote
- Human Genetics Research Group, Department of Botany, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand
| | - Anna Wongkularb
- Department of Obstetrics and Gynecology, Faculty of Medicine, Ramathibodi Hospital, Mahidol University, Bangkok 10400, Thailand
| | - Pattamawadee Yanatatsaneejit
- Human Genetics Research Group, Department of Botany, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand
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Mamolini E, Cervellati C, Greco P, Carrieri A, Massari L, Crivellari I, Scapoli C, Bonaccorsi G. VDR, RANKL and OPG polymorphisms as possible predisposing cofactors of postmenopausal osteoporosis: explorative study in Italian population. Gynecol Endocrinol 2017; 33:937-941. [PMID: 28488893 DOI: 10.1080/09513590.2017.1323205] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
Postmenopausal osteoporosis (PO) has a strong genetic component. Presently, the published evidence on the association between the main single-nucleotide polymorphisms (SNPs) of the receptor activator of nuclear factor-kb ligand (RANKL), osteoprotegerin (OPG) and vitamin D receptor (VDR) and bone mass density (BMD) are scarce, mostly considering Italian population. This study sought to determine whether OPG (rs2073618), RANKL (rs9525641) and the VDR (rs2228570) SNPs were associated with BMD in a sample of 139 North-Italian postmenopausal women. The allelic distribution of rs9525641 in women with PO or osteopenia (OP + OPE group) differed from controls (p < 0.05), suggesting that this allele might confer a greater susceptibility to bone resorption. Concerning rs2228570, CC genotype was associated with OP + OPE women, with a worst total hip BMD. Notably, the combined genotype RANK (CT)-VDR (TT) was significantly associated to spine BMD (p < 0.05). In conclusion, this pilot study showed that rs9525641 and rs2228570 polymorphisms might contribute, separately or in combination, in determining BMD phenotype in selected postmenopausal populations.
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Affiliation(s)
- Elisabetta Mamolini
- a Department of Life Sciences and Biotechnology , University of Ferrara , Ferrara , Italy
| | - Carlo Cervellati
- b Department of Biomedical and Specialist Surgical Sciences , Section of Medical Biochemistry, Molecular Biology and Genetics, University of Ferrara , Ferrara , Italy
| | - Pantaleo Greco
- c Department of Morphology , Surgery and Experimental Medicine, Menopause and Osteoporosis Centre, University of Ferrara , Ferrara , Italy , and
- d Department of Morphology , Surgery and Experimental Medicine, Section of Obstetrics and Gynecology, University of Ferrara , Cona , Italy , Ferrara
| | - Alberto Carrieri
- a Department of Life Sciences and Biotechnology , University of Ferrara , Ferrara , Italy
| | - Leo Massari
- c Department of Morphology , Surgery and Experimental Medicine, Menopause and Osteoporosis Centre, University of Ferrara , Ferrara , Italy , and
| | - Ilaria Crivellari
- b Department of Biomedical and Specialist Surgical Sciences , Section of Medical Biochemistry, Molecular Biology and Genetics, University of Ferrara , Ferrara , Italy
| | - Chiara Scapoli
- a Department of Life Sciences and Biotechnology , University of Ferrara , Ferrara , Italy
| | - Gloria Bonaccorsi
- c Department of Morphology , Surgery and Experimental Medicine, Menopause and Osteoporosis Centre, University of Ferrara , Ferrara , Italy , and
- d Department of Morphology , Surgery and Experimental Medicine, Section of Obstetrics and Gynecology, University of Ferrara , Cona , Italy , Ferrara
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Sassi R, Sahli H, Cheour E, Sellami S, El Gaaied ABA. -643C > T RANKL gene polymorphism is associated with osteoporosis in Tunisian postmenopausal women. Climacteric 2017; 20:374-378. [PMID: 28453307 DOI: 10.1080/13697137.2017.1315088] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
OBJECTIVES The dynamic nature of the skeleton is achieved by a remodeling process. Receptor activator of nuclear factor kappa B (RANK) ligand (RANKL) stimulates bone resorption by activating RANK signaling. Therefore it is considered as a candidate gene regulating susceptibility to osteoporosis. In the current study, we have investigated the association between the RANKL gene -693G > C and -643 C > T polymorphisms and bone mineral density (BMD) in a population of postmenopausal Tunisian women. METHODS Polymorphic sites in RANKL gene (rs9533155 -693G > C and rs9533156 -643 C > T polymorphisms) were determined using PCR-RFLP analysis in 566 postmenopausal Tunisian women. All statistical analysis were examined by SPSS software. RESULTS We have detected a significant difference in lumbar spine and hip BMD for -643C > T genotypes. For -693G > C genotypes, a significant difference was detected only in hip BMD. The distribution of -643C > T genotypes and alleles between three groups (osteoporotic, osteopenic and normal women) revealed a significant association of the TT genotype with development of osteoporosis (p = 0.01; odds ratio 2.15), although for the -693G > C polymorphism, no significant results were found. CONCLUSION We have demonstrated the association of the -643C > T polymorphism with BMD variation and osteoporosis risk in postmenopausal Tunisian women.
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Affiliation(s)
- R Sassi
- a Genetics, Immunology and Human Pathologies Laboratory, Faculty of Mathematical, Physical and Natural Sciences of Tunis , Tunis EL Manar University , Tunis , Tunisia
| | - H Sahli
- b Immuno-Rheumatology Laboratory , Rabta Hospital, Faculty of Medicine of Tunis, Tunis EL Manar University , Tunis , Tunisia
| | - E Cheour
- b Immuno-Rheumatology Laboratory , Rabta Hospital, Faculty of Medicine of Tunis, Tunis EL Manar University , Tunis , Tunisia
| | - S Sellami
- b Immuno-Rheumatology Laboratory , Rabta Hospital, Faculty of Medicine of Tunis, Tunis EL Manar University , Tunis , Tunisia
| | - A Ben Ammar El Gaaied
- a Genetics, Immunology and Human Pathologies Laboratory, Faculty of Mathematical, Physical and Natural Sciences of Tunis , Tunis EL Manar University , Tunis , Tunisia
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Prevalence of polymorphisms in OPG, RANKL and RANK as potential markers for Charcot arthropathy development. Sci Rep 2017; 7:501. [PMID: 28356555 PMCID: PMC5428699 DOI: 10.1038/s41598-017-00563-4] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2016] [Accepted: 03/03/2017] [Indexed: 12/28/2022] Open
Abstract
Charcot arthropathy is one of the most serious complications of diabetic foot syndrome that leads to amputation of the affected limb. Since there is no cure for Charcot arthropathy, early diagnosis and implementation preventive care are the best available treatment. However, diagnosis is hindered by obscure clinical picture of the disease and lack of molecular markers for its early detection. Results of recent research suggest that OPG-RANKL-RANK axis regulating bone metabolism can be associated with Charcot arthropathy and that SNPs in OPG gene are associated with the disease. Here we report the results of comprehensive analysis of ten SNPs in OPG, RANKL and RANK genes in 260 subjects divided into diabetes, neuropathy and Charcot arthropathy groups. Besides genotype analysis we performed linkage disequilibrium and hierarchical clustering to obtain information about correlation between SNPs. Our results show that OPG 245T/G (rs3134069) and OPG 1217C/T (rs3102734) polymorphisms co-occur in patients with Charcot arthropathy (r2 = 0.99). Moreover, hierarchical clustering revealed a characteristic profile of all SNPs in Charcot arthropathy and neuropathy, which is distinct from control group. Our results suggest that analysis of multiple SNPs can be used as potential marker of Charcot arthropathy and provide insight into possible molecular mechanisms of its development.
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Mohamed RH, Mohamed RH, El-Shahawy EE. Relationship BetweenRANKandRANKLGene Polymorphisms with Osteoporosis in Rheumatoid Arthritis Patients. Genet Test Mol Biomarkers 2016; 20:249-54. [DOI: 10.1089/gtmb.2015.0227] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Affiliation(s)
- Randa H. Mohamed
- Medical Biochemistry Department, Faculty of Medicine, Zagazig University, Zagazig, Egypt
| | - Rasha H. Mohamed
- Biochemistry Department, Faculty of Pharmacy, Zagazig University, Zagazig, Egypt
| | - Eman E. El-Shahawy
- Rheumatology and Rehabilitation Department, Faculty of Medicine, Zagazig University, Zagazig, Egypt
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Association of genetic polymorphisms of RANK, RANKL and OPG with bone mineral density in Chinese peri- and postmenopausal women. Clin Biochem 2013; 46:1493-501. [PMID: 23531404 DOI: 10.1016/j.clinbiochem.2013.03.011] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2012] [Revised: 03/08/2013] [Accepted: 03/13/2013] [Indexed: 01/30/2023]
Abstract
OBJECTIVES To explore the influence of 14 single nucleotide polymorphisms (SNPs) in receptor activator of nuclear factor-kappa B (RANK), RANK ligand (RANKL) and osteoprotegerin (OPG) on bone mineral density (BMD) in a Chinese female population. DESIGN AND METHODS A cross-sectional study was conducted in 108 perimenopausal and 127 postmenopausal women aged 43-65 years. All participants underwent lumbar spinal and nondominant femoral BMD evaluation by dual energy X-ray absorptiometry. Fourteen RANK, RANKL and OPG genotypes were determined by chip-based MALDI-TOF mass spectrometry. The differences between the BMDs of the RANK genotypes were analyzed. RESULTS Five SNPs (rs6993813, rs4355801, rs1032129 and rs2073618 in OPG and rs3018362 in RANK) were significantly associated with BMD or with BMD adjusted for body weight or years since menopause, mostly at the femoral neck but also partly at the total hip (p<0.05). The risk allele frequencies observed in our sample were different from those found in Europeans but the effects of these risk alleles on BMD values had the same direction in our cohort as in Europeans, except for rs3018362 with G as the risk allele, which was contrary to other studies. None of the SNPs in RANKL were associated with BMD at any anatomical site. CONCLUSIONS Our findings suggest that OPG and RANK but not RANKL genetic polymorphisms influence BMD mainly in the femoral neck in peri- and postmenopausal Chinese women. This contributes to the understanding of the role of genetic variation in this pathway in determining bone health.
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Rojo Venegas K, Aguilera Gómez M, Eisman JA, García Sánchez A, Faus Dader MJ, Calleja Hernández MA. Pharmacogenetics of osteoporosis-related bone fractures: moving towards the harmonization and validation of polymorphism diagnostic tools. Pharmacogenomics 2011; 11:1287-303. [PMID: 20860468 DOI: 10.2217/pgs.10.116] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Osteoporosis is one of the most common skeletal chronic conditions in developed countries, hip fracture being one of its major healthcare outcomes. There is considerable variation in the implementation of current pharmacological treatment and prevention, despite consistent recommendations and guidelines. Many studies have reported conflicting findings of genetic associations with bone density and turnover that might predict fracture risk. Moreover, it is not clear whether genetic differences exist in relation to the morbidity and efficiency of the pharmacotherapy treatments. Clinical response, including beneficial and adverse events associated with osteoporosis treatments, is highly variable among individuals. In this context, the present article intends to summarize putative candidate genes and genome-wide association studies that have been related with BMD and fracture risk, and to draw the attention to the need for pharmacogenetic methodology that could be applicable in clinical translational research after an adequate validation process. This article mainly compiles analysis of important polymorphisms in osteoporosis documented previously, and it describes the simple molecular biology tools for routine genotype acquisition. Validation of methods for the easy, fast and accessible identification of SNPs is necessary for evolving pharmacogenetic diagnostic tools in order to contribute to the discovery of clinically relevant genetic variation with an impact on osteoporosis and its personalized treatment.
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Affiliation(s)
- Karen Rojo Venegas
- Pharmacogenetics Unit, Pharmacy Service, University Hospital Virgen de las Nieves, Avenida de las Fuerzas Armadas 2, CP:18014, Granada, Spain.
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Roshandel D, Holliday KL, Pye SR, Boonen S, Borghs H, Vanderschueren D, Huhtaniemi IT, Adams JE, Ward KA, Bartfai G, Casanueva F, Finn JD, Forti G, Giwercman A, Han TS, Kula K, Lean ME, Pendleton N, Punab M, Silman AJ, Wu FC, Thomson W, O'Neill TW. Genetic variation in the RANKL/RANK/OPG signaling pathway is associated with bone turnover and bone mineral density in men. J Bone Miner Res 2010; 25:1830-8. [PMID: 20205168 DOI: 10.1002/jbmr.78] [Citation(s) in RCA: 52] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
The aim of this study was to determine if single-nucleotide polymorphisms (SNPs) in RANKL, RANK, and OPG influence bone turnover and bone mineral density (BMD) in men. Pairwise tag SNPs (r(2) > or = 0.8) were selected for RANKL, RANK, and OPG and their 10-kb flanking regions. Selected tag SNPs plus five SNPs near RANKL and OPG, associated with BMD in published genome-wide association studies (GWAS), were genotyped in 2653 men aged 40 to 79 years of age recruited for participation in a population-based study of male aging, the European Male Ageing Study (EMAS). N-terminal propeptide of type I procollagen (PINP) and C-terminal cross-linked telopeptide of type I collagen (CTX-I) serum levels were measured in all men. BMD at the calcaneus was estimated by quantitative ultrasound (QUS) in all men. Lumbar spine and total-hip areal BMD (BMD(a)) was measured by dual-energy X-ray absorptiometry (DXA) in a subsample of 620 men. Multiple OPG, RANK, and RANKL SNPs were associated with bone turnover markers. We also identified a number of SNPs associated with BMD, including rs2073618 in OPG and rs9594759 near RANKL. The minor allele of rs2073618 (C) was associated with higher levels of both PINP (beta = 1.83, p = .004) and CTX-I (beta = 17.59, p = 4.74 x 10(-4)), and lower lumbar spine BMD(a) (beta = -0.02, p = .026). The minor allele of rs9594759 (C) was associated with lower PINP (beta = -1.84, p = .003) and CTX-I (beta = -27.02, p = 6.06 x 10(-8)) and higher ultrasound BMD at the calcaneus (beta = 0.01, p = .037). Our findings suggest that genetic variation in the RANKL/RANK/OPG signaling pathway influences bone turnover and BMD in European men.
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Affiliation(s)
- Delnaz Roshandel
- Arthritis Research UK, Epidemiology Unit, The University of Manchester, Manchester Academic Health Science Centre, Manchester, UK
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14
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Dong SS, Liu XG, Chen Y, Guo Y, Wang L, Zhao J, Xiong DH, Xu XH, Recker RR, Deng HW. Association analyses of RANKL/RANK/OPG gene polymorphisms with femoral neck compression strength index variation in Caucasians. Calcif Tissue Int 2009; 85:104-12. [PMID: 19458885 PMCID: PMC2916082 DOI: 10.1007/s00223-009-9255-5] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/29/2008] [Accepted: 04/09/2009] [Indexed: 01/17/2023]
Abstract
Femoral neck compression strength index (fCSI), a novel phenotypic parameter that integrates bone density, bone size, and body size, has significant potential to improve hip fracture risk assessment. The genetic factors underlying variations in fCSI, however, remain largely unknown. Given the important roles of the receptor activator of the nuclear factor-kappaB ligand/receptor activator of the nuclear factor-kappaB/osteoprotegerin (RANKL/RANK/OPG) pathway in the regulation of bone remodeling, we tested the associations between RANKL/RANK/OPG polymorphisms and variations in fCSI as well as its components (femoral neck bone mineral density [fBMD], femoral neck width [FNW], and weight). This was accomplished with a sample comprising 1873 subjects from 405 Caucasian nuclear families. Of the 37 total SNPs studied in these three genes, 3 SNPs, namely, rs12585014, rs7988338, and rs2148073, of RANKL were significantly associated with fCSI (P = 0.0007, 0.0007, and 0.0005, respectively) after conservative Bonferroni correction. Moreover, the three SNPs were approximately in complete linkage disequilibrium. Haplotype-based association tests corroborated the single-SNP results since haplotype 1 of block 1 of the RANKL gene achieved an even more significant association with fCSI (P = 0.0003) than any of the individual SNPs. However, we did not detect any significant associations of these genes with fBMD, FNW, or weight. In summary, our findings suggest that the RANKL gene may play an important role in variation in fCSI, independent of fBMD and non-fBMD components.
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Affiliation(s)
- Shan-Shan Dong
- Key Laboratory of Biomedical Information Engineering, Ministry of Education and Institute of Molecular Genetics, School of Life Science and Technology, Xi’an Jiaotong University, Xi’an 710049, People’s Republic of China
| | - Xiao-Gang Liu
- Key Laboratory of Biomedical Information Engineering, Ministry of Education and Institute of Molecular Genetics, School of Life Science and Technology, Xi’an Jiaotong University, Xi’an 710049, People’s Republic of China
| | - Yuan Chen
- Key Laboratory of Biomedical Information Engineering, Ministry of Education and Institute of Molecular Genetics, School of Life Science and Technology, Xi’an Jiaotong University, Xi’an 710049, People’s Republic of China
| | - Yan Guo
- Key Laboratory of Biomedical Information Engineering, Ministry of Education and Institute of Molecular Genetics, School of Life Science and Technology, Xi’an Jiaotong University, Xi’an 710049, People’s Republic of China
| | - Liang Wang
- Key Laboratory of Biomedical Information Engineering, Ministry of Education and Institute of Molecular Genetics, School of Life Science and Technology, Xi’an Jiaotong University, Xi’an 710049, People’s Republic of China
| | - Jian Zhao
- Key Laboratory of Biomedical Information Engineering, Ministry of Education and Institute of Molecular Genetics, School of Life Science and Technology, Xi’an Jiaotong University, Xi’an 710049, People’s Republic of China
| | - Dong-Hai Xiong
- Departments of Orthopedic Surgery and Basic Medical Sciences, University of Missouri—Kansas City, Kansas City, MO 64108, USA
| | - Xiang-Hong Xu
- Key Laboratory of Biomedical Information Engineering, Ministry of Education and Institute of Molecular Genetics, School of Life Science and Technology, Xi’an Jiaotong University, Xi’an 710049, People’s Republic of China
| | - Robert R. Recker
- Osteoporosis Research Center and Department of Biomedical Sciences, Creighton University, Omaha, NE 68131, USA
| | - Hong-Wen Deng
- Key Laboratory of Biomedical Information Engineering, Ministry of Education and Institute of Molecular Genetics, School of Life Science and Technology, Xi’an Jiaotong University, Xi’an 710049, People’s Republic of China
- College of Life Sciences and Engineering, Beijing Jiao Tong University, Beijing 100044, People’s Republic of China
- Departments of Orthopedic Surgery and Basic Medical Sciences, University of Missouri—Kansas City, 2411 Holmes Street, Room M3-C03, Kansas City, MO 64108-2792, USA,
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Tang X, Meng H. Osteogenic induction and 1,25-dihydroxyvitamin D3 oppositely regulate the proliferation and expression of RANKL and the vitamin D receptor of human periodontal ligament cells. Arch Oral Biol 2009; 54:625-33. [PMID: 19464673 DOI: 10.1016/j.archoralbio.2009.04.009] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2009] [Revised: 04/01/2009] [Accepted: 04/25/2009] [Indexed: 10/20/2022]
Abstract
OBJECTIVE Human periodontal ligament cells (hPDLCs) may play an important role in osteoclastogenesis in alveolar bone by expressing the receptor activator of NF-KappaB ligand (RANKL) and osteoprotegerin (OPG). The present study aimed to investigate the differences between the effects of osteogenic induction and 1,25-dihydroxyvitamin D(3) (VD(3)) on hPDLC proliferation and the expression of RANKL, osteoprotegerin, and the vitamin D receptor (VDR) in hPDLCs. METHODS Primary cultures of 11 hPDLC populations from 11 donors were obtained. Three samples of each hPDLC population from passage 3 were, respectively, treated with osteogenic induction medium, 10(-8)M VD(3), or vehicle as a control. Cell proliferation at days 0, 1, 3, 5, and 7 was estimated with the MTT method. At day 6, the mRNA levels of RANKL, OPG and VDR were determined with real-time RT-PCR. RESULTS Osteogenic induction significantly promoted hPDLC proliferation, while VD(3) inhibited proliferation. Osteogenic induction significantly down-regulated the mRNA level of RANKL by 1.61-fold (P = 0.033) and decreased the level of VDR by 2.13-fold (P = 0.003), while there was no change in the level of OPG and OPG/RANKL ratio with osteogenic induction. On the contrary, VD(3) significantly up-regulated the level of RANKL by 9.58-fold (P = 0.001) and increased the level of VDR by 3.15-fold (P = 0.004), while down-regulating the OPG/RANKL ratio by 7.14-fold (P=0.004). CONCLUSION Osteogenic induction and VD(3) exert opposite effects in regulating hPDLC proliferation and mRNA expression of RANKL and VDR. This may induce hPDLCs to play different roles in alveolar bone metabolism.
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Affiliation(s)
- Xiaolin Tang
- Department of Periodontology, School of Stomatology, China Medical University, Shenyang, Liaoning Province 110002, China.
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Breuil V, Quincey D, Testa J, Roux CH, Albert C, Mroueh Z, Chami-Stemman H, Brocq O, Grisot C, Euller-Ziegler L, Carle GF. Gene polymorphisms and osteoporotic fractures: a study in postmenopausal French women. Joint Bone Spine 2009; 76:317-9. [PMID: 19299182 DOI: 10.1016/j.jbspin.2008.09.016] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2008] [Accepted: 09/18/2008] [Indexed: 11/26/2022]
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Xiong Q, Jiao Y, Hasty KA, Canale ST, Stuart JM, Beamer WG, Deng HW, Baylink D, Gu W. Quantitative trait loci, genes, and polymorphisms that regulate bone mineral density in mouse. Genomics 2009; 93:401-14. [PMID: 19150398 DOI: 10.1016/j.ygeno.2008.12.008] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2008] [Revised: 11/26/2008] [Accepted: 12/15/2008] [Indexed: 01/23/2023]
Abstract
This is an in silico analysis of data available from genome-wide scans. Through analysis of QTL, genes and polymorphisms that regulate BMD, we identified 82 BMD QTL, 191 BMD-associated (BMDA) genes, and 83 genes containing known BMD-associated polymorphisms (BMDAP). The catalogue of all BMDA/BMDAP genes and relevant literatures are provided. In total, there are substantially more BMDA/BMDAP genes in regions of the genome where QTL have been identified than in non-QTL regions. Among 191 BMDA genes and 83 BMDAP genes, 133 and 58 are localized in QTL regions, respectively. The difference was still noticeable for the chromosome distribution of these genes between QTL and non-QTL regions. These results have allowed us to generate an integrative profile of QTL, genes, polymorphisms that determine BMD. These data could facilitate more rapid and comprehensive identification of causal genes underlying the determination of BMD in mouse and provide new insights into how BMD is regulated in humans.
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Affiliation(s)
- Qing Xiong
- Department of Orthopaedic Surgery - Campbell Clinic and Pathology, University of Tennessee Health Science Center, Memphis, TN 38163, USA.
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Guo Y, Yang TL, Pan F, Xu XH, Dong SS, Deng HW. Molecular genetic studies of gene identification for osteoporosis. Expert Rev Endocrinol Metab 2008; 3:223-267. [PMID: 30764094 DOI: 10.1586/17446651.3.2.223] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
This review comprehensively summarizes the most important and representative molecular genetics studies of gene identification for osteoporosis published up to the end of September 2007. It is intended to constitute a sequential update of our previously published reviews covering the available data up to the end of 2004. Evidence from candidate gene-association studies, genome-wide linkage and association studies, as well as functional genomic studies (including gene-expression microarray and proteomics) on osteogenesis and osteoporosis, are reviewed separately. Studies of transgenic and knockout mice models relevant to osteoporosis are summarized. The major results of all studies are tabulated for comparison and ease of reference. Comments are made on the most notable findings and representative studies for their potential influence and implications on our present understanding of genetics of osteoporosis. The format adopted by this review should be ideal for accommodating future new advances and studies.
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Affiliation(s)
- Yan Guo
- a The Key Laboratory of Biomedical Information Engineering of Ministry of Education and Institute of Molecular Genetics, School of Life Science and Technology, Xi'an Jiaotong University, Xi'an 710049, PR China
| | - Tie-Lin Yang
- a The Key Laboratory of Biomedical Information Engineering of Ministry of Education and Institute of Molecular Genetics, School of Life Science and Technology, Xi'an Jiaotong University, Xi'an 710049, PR China
| | - Feng Pan
- a The Key Laboratory of Biomedical Information Engineering of Ministry of Education and Institute of Molecular Genetics, School of Life Science and Technology, Xi'an Jiaotong University, Xi'an 710049, PR China
| | - Xiang-Hong Xu
- a The Key Laboratory of Biomedical Information Engineering of Ministry of Education and Institute of Molecular Genetics, School of Life Science and Technology, Xi'an Jiaotong University, Xi'an 710049, PR China
| | - Shan-Shan Dong
- a The Key Laboratory of Biomedical Information Engineering of Ministry of Education and Institute of Molecular Genetics, School of Life Science and Technology, Xi'an Jiaotong University, Xi'an 710049, PR China
| | - Hong-Wen Deng
- b The Key Laboratory of Biomedical Information Engineering of Ministry of Education and Institute of Molecular Genetics, School of Life Science and Technology, Xi'an Jiaotong University, Xi'an 710049, PR China and Departments of Orthopedic Surgery and Basic Medical Sciences, University of Missouri - Kansas City, Kansas City, MO 64108, USA.
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