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Montazeri-Najafabady N, Dabbaghmanesh MH. The Association Between CYP2R1 rs10741657 Polymorphisms and Bone Variables, Vitamin D, and Calcium in Iranian Children and Adolescents: A Cross-Sectional Study. Biochem Genet 2024:10.1007/s10528-024-10826-1. [PMID: 38834820 DOI: 10.1007/s10528-024-10826-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2024] [Accepted: 05/01/2024] [Indexed: 06/06/2024]
Abstract
Osteoporosis is a common disorder with a strong genetic component. Bone mineral density (BMD), vitamin D, and calcium levels declining are a main contributor of osteoporosis and fragility fractures. This cross-sectional study designed to explore the possible link between CYP2R1 rs10741657 polymorphism and BMD of the total hip, lumbar spine and femoral neck, vitamin D, and calcium in Iranian children and adolescents. 247 children and adolescents (127 girls and 120 boys) between 9 and 18 years old from Kawar (an urban area located 50 km east of Shiraz, the capital city of the Fars province in the south of Iran) were randomly selected based on age-stratified systematic sampling and recruited for genetic analysis. The polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP) method was used for genotyping CYP2R1 rs10741657. Anthropometric, biochemical, and bone mineral density (BMD) parameters were also measured. The results specified that in the dominant [P < 0.0001, - 2.943 (- 4.357-1.529)] and over-dominant [P < 0.0001, 2.789 (1.369-4.209)] models, vitamin D concentration significantly differed between genotypes. The highest vitamin D levels were displayed for participants carrying the rs10741657 AG genotype (16.47 ng/ml). In regard to calcium, in a dominant model [P = 0.012, 0.194 (0.043-0.345)] and over-dominant model [P = 0.008, 0.206 (- 0.357-0.055), there was a significant association. AG genotype displayed the highest (9.96 mg/dl) and GG genotype the lowest (9.75 mg/dl) calcium values. This study reported the association of CYP2R1 rs10741657 polymorphisms with calcium and vitamin D levels in Iranian children and adolescents.
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Gholami A, Montazeri-Najafabady N, Karimzadeh I, Dabbaghmanesh MH, Talei E. The effect of BsmI (rs1544410) single nucleotide polymorphism of vitamin D receptor (VDR) on insulin resistance in healthy children and adolescents: a cross-sectional study. BMC Pediatr 2024; 24:54. [PMID: 38233797 PMCID: PMC10792823 DOI: 10.1186/s12887-023-04503-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/31/2022] [Accepted: 12/21/2023] [Indexed: 01/19/2024] Open
Abstract
The increasing prevalence of metabolic syndrome, type 2 diabetes, and insulin resistance are driven by complex interactions between genetic and environmental factors. One of the single nucleotide polymorphisms (SNPs) in the VDR gene associated with vitamin D levels is the rs1544410 SNP. This study examined the association of the rs1544410 polymorphism with insulin resistance to predict and screen for possible association with type 2 diabetes and target these individuals for appropriate treatment. This cross-sectional study examined 270 children and adolescents aged 9 to 18 years. Anthropometric and biochemical parameters were determined. Insulin resistance/sensitivity was determined using Quicki, HOMA-IR, MacAuley, Revised MacAuley, Bennetts, FIRI and insulin-to-glucose ratio. The BsmI single nucleotide polymorphism (rs1544410) was determined using the PCR-RFLP method after extracting DNA from peripheral blood collected from fasted subjects, and the resulting data were analyzed using SPSS software and statistical tests.According to linear regression analysis, a significant difference was found in Insulin to glucose ratio, FIRI and HOMA-IR indices between Bb / bb and BB genotypes and it was observed that individuals with BB genotype polymorphism of BsmI vitamin D receptor gene, after Adjustment of age, sex, BMI are at greater risk for insulin resistance and type 2 diabetes.This study demonstrated that those with the BB genotype of VDR BsmI polymorphism were at higher risk for insulin resistance and developing type 2 DM.
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Affiliation(s)
- Ahmad Gholami
- Biotechnology Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Nima Montazeri-Najafabady
- Endocrinology and Metabolism Research Center, Nemazee Hospital, Shiraz University of Medical Sciences, Shiraz, Iran.
| | - Iman Karimzadeh
- Department of Clinical Pharmacy, School of Pharmacy, Shiraz University of Medical Sciences, Shiraz, Iran
| | | | - Elnaz Talei
- Biotechnology Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
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Montazeri-Najafabady N, Dabbaghmanesh MH, Asmarian N, Rais Pour H. Age-, Sex-, and Puberty-Associated Reference Intervals for Lipid Profile in Iranian Children and Adolescents. Int J Endocrinol 2023; 2023:9143234. [PMID: 36876280 PMCID: PMC9984260 DOI: 10.1155/2023/9143234] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/27/2022] [Revised: 01/31/2023] [Accepted: 02/02/2023] [Indexed: 03/07/2023] Open
Abstract
Childhood dyslipidemia is considered a major worldwide health issue. Identification of children with dyslipidemia is notably essential for healthcare providers in establishing and releasing recommendations for the management and prevention of future CVD. In the present study, we provided reference values for the lipid profile from Kawar (a city in the south of Iran) cohort of healthy children and adolescents aged 9-18 years. 472 subjects (234 girls and 238 boys) contributed to the current prospective cohort study using a systematic random sample stratified by age. Fasting lipid levels were measured by enzymatic reagents. Dual-energyX-ray absorptiometry (DEXA) was used to evaluate puberty based on the Tanner stages. LMS Chart Maker and Excel software were used to construct the gender-specific reference plots showing the 3, 10, 25, 50, 75, 90, and 97th percentiles of BMI, cholesterol, TG, HDL, TC, LDL, and non-HDL. The outcomes revealed that concentrations of TC, LDL, and non-HDL were drastically greater in girls as compared to boys. TG increased with age in both genders, while HDL, TC, LDL, and non-HDL declined. We also observed that puberty was associated with higher lipid values in boys and girls except for TG in boys. Our study prepared age- and sex-specific reference intervals for the lipid profile in Iranian children and adolescents. Converted to age and gender percentiles, these reference intervals are expected to serve as an effective and consistent tool for doctors to identify dyslipidemia among children and adolescents.
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Affiliation(s)
| | | | - Naeimehossadat Asmarian
- Anesthesiology and Critical Care Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Homeyra Rais Pour
- Department of Biostatistics, School of Public Health, Isfahan University of Medical Sciences, Isfahan, Iran
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Han D, Zhang H, Liu S, Zhuang L, Zhao Z, Ding H, Xin Y. Association between the LRP5 rs556442 gene polymorphism and the risks of NAFLD and CHD in a Chinese Han population. BMC Gastroenterol 2022; 22:305. [PMID: 35733105 PMCID: PMC9219200 DOI: 10.1186/s12876-022-02385-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/31/2021] [Accepted: 06/10/2022] [Indexed: 12/20/2022] Open
Abstract
Background Multiple studies have demonstrated the involvement of low-density lipoprotein receptor-related protein 5 (LRP5) in metabolism-related diseases. This study explored the relationship between the LRP5 rs556442 gene polymorphism and the risks of non-alcoholic fatty liver disease (NAFLD) and coronary heart disease (CHD) in a Chinese Han population. Methods This retrospective case–control study included 247 patients with NAFLD, 200 patients with CHD, 118 patients with both NAFLD and CHD, and 339 healthy controls from June 2018 to June 2019 at Qingdao Municipal Hospital. Basic information and clinical characteristics were collected for all subjects. The genotype and allele frequency of LRP5 rs556442 were determined. Results The genotype distributions of LRP5 rs556442 differed significantly between the CHD and NAFLD + CHD groups (P < 0.05). The LRP5 rs556442 GG genotype markedly promoted the risk of NAFLD in CHD patients [odds ratio (OR) = 2.857, 95% confidence interval (CI): 1.196–6.824, P = 0.018). After adjustment for sex, age, and body mass index (BMI), this association remained significant (OR = 3.252, 95% CI: 1.306–8.102, P = 0.011). In addition, the LRP5 rs556442 AA + AG genotype was associated with an increased BMI in obese NAFLD patients (OR = 1.526, 95% CI: 1.004–2.319, P = 0.048). However, after adjustment for sex and age, this association was no longer significant (OR = 1.504, 95% CI: 0.991–2.282, P = 0.055). Conclusions This study found that the LRP5 rs556442 GG genotype increased the risk of NAFLD in CHD patients and AA + AG genotype may be associated with an increased BMI in obese NAFLD patients among a Chinese Han population. Trial registration ChiCTR, ChiCTR1800015426. Registered 28 March 2018—Retrospectively registered, http://www.chictr.org.cn/showproj.aspx?proj=26239.
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Affiliation(s)
- Dongli Han
- Department of Infectious Disease, Qingdao Municipal Hospital, 1 Jiaozhou Road, Qingdao, 266011, Shandong Province, China.,Department of Gastroenterology, Zhumadian Central Hospital, Zhumadian, China
| | - Haiying Zhang
- Health Management Center, Qingdao Central Hospital, Qingdao, China
| | - Shousheng Liu
- Clinical Research Center, Qingdao Municipal Hospital, Qingdao, China
| | - Likun Zhuang
- Clinical Research Center, Qingdao Municipal Hospital, Qingdao, China
| | - Zhenzhen Zhao
- Clinical Research Center, Qingdao Municipal Hospital, Qingdao, China
| | - Hongguang Ding
- Second Department of General Surgery, Qingdao Municipal Hospital, 1 Jiaozhou Road, Qingdao, 266011, Shandong Province, China.
| | - Yongning Xin
- Department of Infectious Disease, Qingdao Municipal Hospital, 1 Jiaozhou Road, Qingdao, 266011, Shandong Province, China. .,Digestive Disease Key Laboratory of Qingdao, Qingdao, China.
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Montazeri-Najafabady N, Dabbaghmanesh MH, Mohammadian Amiri R. The rs2302685 polymorphism in the LRP6 gene is associated with bone mineral density and body composition in Iranian children. J Gene Med 2020; 22:e3245. [PMID: 32573887 DOI: 10.1002/jgm.3245] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2019] [Revised: 01/25/2020] [Accepted: 03/15/2020] [Indexed: 11/06/2022] Open
Abstract
BACKGROUND Some 60-80% of the variability in bone mineral density (BMD) is determined by genetic factors. In the present study, we investigated the impact of the rs2302685 polymorphism of LRP6 on BMD and body composition in Iranian children. METHODS In total, 200 children (101 boys and 99 girls) were enrolled in the study. Body composition and BMD were computed using the Hologic DXA System (Hologic, Marlborough, MA, USA). The single nucleotide polymorphism of LRP6 rs2302685 (V1062I) was determined using a polymerase chain reaction/restriction fragment length polymorphism. A generalized linear model was performed to find the association between LRP6 polymorphisms, BMD and body composition in two adjusted models. RESULTS In model 1, a significant difference was found between LRP6 (rs2302685) polymorphism, trochanteric BMD (p = 0.007), intertrochanteric BMD (p = 0.007), total fat (p = 0.001), total fat (%) (p = 0.034), total lean mass (p = 0.031), total Lean + BMC (p = 0.036) and total mass (p = 0.001). In model 2, LRP6 (rs2302685) polymorphisms showed a significant effect on the trochanteric BMD (p = 0.005), intertrochanteric BMD (p = 0.005), total fat (p = 0.001), total fat (%) (p = 0.013) and total mass (p = 0.01). Total fat, total fat (%) and total body mass were higher in subjects with the CC genotype compared to the TT/CT genotype, whereas total lean mass and total Lean + BMC were higher in the TT/CT genotype. CONCLUSIONS The present study shows that the LRP6 polymorphism may be associated with body composition and BMD in Iranian children.
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Affiliation(s)
- Nima Montazeri-Najafabady
- Shiraz Endocrinology and Metabolism Research Center, Nemazee Hospital, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Mohammad Hossein Dabbaghmanesh
- Shiraz Endocrinology and Metabolism Research Center, Nemazee Hospital, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Rajeeh Mohammadian Amiri
- Shiraz Endocrinology and Metabolism Research Center, Nemazee Hospital, Shiraz University of Medical Sciences, Shiraz, Iran
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Montazeri-Najafabady N, Dabbaghmanesh MH, Mohammadian Amiri R, Mirzai Z. Influence of Estrogen Receptor Alpha Polymorphism on Bone Mineral Density in Iranian Children. Hum Hered 2019; 84:82-89. [PMID: 31655805 DOI: 10.1159/000502230] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2019] [Accepted: 07/18/2019] [Indexed: 11/19/2022] Open
Abstract
BACKGROUND Bone mass acquisition in childhood is directly linked to adult bone mineral density (BMD) and fracture risk. BMD is a heritable trait, more than 70% of its variability among a population is affected by genetic factors. OBJECTIVES In the present study, we wanted to investigate the association between estrogen receptor alpha (ESR1) polymorphisms, PvuII (rs2234693) and XbaI (rs9340799), and bone area, bone mineral content (BMC), and BMD of the lumbar spine, femoral neck, and also of the total body less the head in Iranian children. METHODS The ESR1 gene PvuII and XbaI genotypes were determined by polymerase chain reaction-restriction fragment length polymorphism. Bone area, BMC, BMD, and bone mineral apparent density (BMAD) were assessed by dual-energy X-ray absorptiometry (DEXA). Linear regression was carried out to examine the effects of the ESR1 (PvuII and XbaI) polymorphisms on DEXA outputs when adjusted for confounding factors (i.e., age, sex, BMI, and pubertal stage) in 3 models. RESULTS ESR1 (PvuII) gene polymorphisms (CT vs. CC) showed significant effects on the BMC of the total body less the head in all 3 models. For ESR1 (XbaI), individuals with the AG genotype had higher lumbar spine BMD and lumbar spine BMAD compared to other genotypes. CONCLUSIONS It seems that the PvuII and XbaI polymorphisms of ESR1 could be associated with BMC and BMD variation in Iranian children and adolescents.
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Affiliation(s)
- Nima Montazeri-Najafabady
- Shiraz Endocrinology and Metabolism Research Center, Nemazee Hospital, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Mohammad Hossein Dabbaghmanesh
- Shiraz Endocrinology and Metabolism Research Center, Nemazee Hospital, Shiraz University of Medical Sciences, Shiraz, Iran,
| | - Rajeeh Mohammadian Amiri
- Shiraz Endocrinology and Metabolism Research Center, Nemazee Hospital, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Zahra Mirzai
- Shiraz Endocrinology and Metabolism Research Center, Nemazee Hospital, Shiraz University of Medical Sciences, Shiraz, Iran
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Adabi E, Omidfar A, Farahani NA, Faghihi F, Asghar Malek Hosseini SA, Maghbooli Z, Shirvani A. The association of LRP5 (rs556442) polymorphism with body composition and obesity in postmenopausal women. Diabetes Metab Syndr 2019; 13:2381-2385. [PMID: 31405647 DOI: 10.1016/j.dsx.2019.06.004] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/06/2019] [Accepted: 06/07/2019] [Indexed: 10/26/2022]
Abstract
AIM The main of this study was to investigate the association between the rs566442 (V1119V) coding polymorphism of Low-density lipoprotein receptor-related protein 5 (LRP5) with obesity and basal metabolic rate in Iranian postmenopausal women. METHODS This cross-sectional study was performed on 350 postmenopausal women with a mean age of 57.8 years (SD ± 6.14). Body composition was analyzed by bioelectrical impedance analysis (BIA) resistance. Obesity was defined based on Body mass index (BMI) ≥30 kg/m2. To determine the genotype of SNP (rs556442), PCR-RFLP assay was performed and confirmed by sequencing. DNA samples from participants were genotyped using the RFLP-PCR method. RESULTS Among the study population 37.1% (130) were obese. G allele had minor-allele frequency of 0.38% in our population. The frequency of genotypes in our study population was 12.9% (45 person) GG, 35.7% (125 person) AA and 51.4% (180) GA. After adjusting age and menopausal age, only basal metabolic rate showed significantly higher in GG group compare to other groups (p = 0.02). Our data showed basal metabolic rate was higher in obese women with GG genotype in comparison to obese women with AG and AA genotypes. DISCUSSION The findings of this study suggest that the GG genotype of SNP (rs556442) could protective role in obese women through the association with BMR.
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Affiliation(s)
- Elham Adabi
- Tehran University of Medical Sciences, Tehran, Iran
| | - Abolfazl Omidfar
- Student Research Committee, Department of Medical Laboratory Sciences, School of Allied Medical Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | | | - Fatemeh Faghihi
- Department of Biology, Central Tehran Branch, Islamic Azad University, Tehran, Iran
| | | | - Zhila Maghbooli
- Multiple Sclerosis Research Center, Neurosciences Institute of Tehran University of Medical Sciences, Tehran, Iran.
| | - Arash Shirvani
- Department of Medicine, Section of Endocrinology, Nutrition, and Diabetes, Vitamin D, Skin and Bone Research Laboratory, Boston University Medical Center, Boston, MA, USA.
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MONTAZERI-NAJAFABADY N, DABBAGHMANESH MH, MOHAMMADIAN AMIRI R, BAKHSHAYESHKARAM M, RANJBAR OMRANI G. Influence of LRP5 (rs556442) polymorphism on insulin resistance in healthy Iranian
children and adolescents. Turk J Med Sci 2019; 49:490-496. [PMID: 30866603 PMCID: PMC7018221 DOI: 10.3906/sag-1809-107] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Background/aim Genetic aspects play a role in insulin resistance in children. In this study, for the first time, the association of LRP5 (rs556442) polymorphism and insulin resistance in Iranian children and adolescents was investigated. Materials and methods The study population comprises children and adolescents aged 9–18 years. Anthropometric and biochemical parameters were assessed. Insulin resistance/sensitivity was determined by the quantitative insulin sensitivity check index (QUICKI), homeostasis model assessment-insulin resistance (HOMA-IR), insulin-to-glucose ratio, McAuley index, revised McAuley index, fasting insulin resistance index (FIRI), and Bennett’s index. LRP5 (rs566442) single nucleotide polymorphism (SNP) was identified using restriction fragment length polymorphism (RFLP). Linear regression analysis was used to determine the association between the LRP5 polymorphism (rs556442) and insulin sensitivity indexes. Results Significant differences were found between GG genotype vs. AG/AA genotypes for McAuley index (P = 0.049) and revised McAuley index (P = 0.044) when adjusted for interaction factors (age, sex, and puberty) in regression models. No significant association was found between LRP5 (rs566442) and other insulin resistance indexes. Also, LRP5 (rs566442) did not show a significant impact on biochemical parameters. Conclusion This study showed that LRP5 polymorphism (rs556442) was associated with insulin resistance in Iranian children and adolescents.
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Affiliation(s)
- Nima MONTAZERI-NAJAFABADY
- Endocrinology and Metabolism Research Center, Nemazee Hospital, Shiraz University of Medical Sciences, ShirazIran
| | - Mohammad Hossein DABBAGHMANESH
- Endocrinology and Metabolism Research Center, Nemazee Hospital, Shiraz University of Medical Sciences, ShirazIran
- * To whom correspondence should be addressed. E-mail:
| | - Rajeeh MOHAMMADIAN AMIRI
- Endocrinology and Metabolism Research Center, Nemazee Hospital, Shiraz University of Medical Sciences, ShirazIran
| | | | - Gholamhossein RANJBAR OMRANI
- Endocrinology and Metabolism Research Center, Nemazee Hospital, Shiraz University of Medical Sciences, ShirazIran
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Montazeri-Najafabady N, Dabbaghmanesh MH, Mohammadian Amiri R. The association of LRP6 rs2302685 (V1062I) polymorphism with the risk of hyperlipidemia in Iranian children and adolescents. Ann Hum Genet 2018; 82:382-388. [PMID: 30039844 DOI: 10.1111/ahg.12254] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2017] [Revised: 03/04/2018] [Accepted: 03/23/2018] [Indexed: 01/01/2023]
Abstract
Wnt signaling/LRP6 plays a critical role in metabolic syndrome and atherosclerosis, and variation in this pathway may lead to hyperlipidemia, nonalcoholic fatty liver disease, and coronary artery disease. In the present study, we investigated the effect of LRP6 rs2302685 (V1062I) on hyperlipidemia in Iranian children and adolescents. The population in this study consisted of 200 children (101 boys, 99 girls) aged 9-18 years old. Total cholesterol, high-density lipoprotein (HDL), low-density lipoprotein (LDL), non-HDL cholesterol, and triglyceride levels were measured. Body composition was evaluated by the Hologic DXA system. PCR/restriction fragment length polymorphism was performed for LRP6 rs2302685 (V1062I) genotyping. Logistic regression analysis was done to find the association between LRP6 rs2302685 (V1062I) and categorized lipid parameters in the adjusted model for confounding factors (age, sex, and puberty). Individuals with the CC genotype showed significantly higher levels of cholesterol, triglycerides, LDL, and non-HDL compared to the CT and TT genotypes. In modeling analysis, for categorized lipid parameters, a significant association was found between CC versus CT, and CC versus TT in terms of cholesterol, LDL, and non-HDL. It seems that LRP6 rs2302685 (V1062I) variant carriers are associated with an increased risk of hyperlipidemia in Iranian children and adolescents.
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Affiliation(s)
- Nima Montazeri-Najafabady
- Shiraz Endocrinology and Metabolism Research Center, Nemazee Hospital, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Mohammad Hossein Dabbaghmanesh
- Shiraz Endocrinology and Metabolism Research Center, Nemazee Hospital, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Rajeeh Mohammadian Amiri
- Shiraz Endocrinology and Metabolism Research Center, Nemazee Hospital, Shiraz University of Medical Sciences, Shiraz, Iran
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