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Guo J, Yang J, Wang J, Liu W, Kang Y, Li Z, Hao C, Qi S. Exploring Gender Differences in the Association Between TyG Index and COPD: A Cross-Sectional Study from NHANES 1999-2018. Int J Chron Obstruct Pulmon Dis 2024; 19:2001-2010. [PMID: 39253040 PMCID: PMC11381934 DOI: 10.2147/copd.s473089] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2024] [Accepted: 08/25/2024] [Indexed: 09/11/2024] Open
Abstract
Purpose This study examined gender differences in the association of Triglyceride-Glucose (TyG) index with the prevalence of chronic obstructive pulmonary disease (COPD), particularly in a non-diabetic population. Methods The study leveraged data from the National Health and Nutrition Examination Survey (NHANES), spanning from 1999 to 2018, with a cohort of 23,456 participants. Logistic regression and restricted cubic spline analyses were employed to explore the relationship between the TyG index and COPD prevalence. Results Statistical analyses revealed a significant positive association between the TyG index and COPD prevalence among non-diabetic women after adjustment for all covariates (OR=1.50; 95% CI, 1.08-2.08), supported by a linear relationship (P for non-linearity=0.298). No equivalent significant association was found in non-diabetic men (OR=1.00; 95% CI, 0.67-1.48). Within the diabetic group, the TyG index did not show a significant association with COPD prevalence, regardless of gender. Conclusion Our study reveals a significant positive correlation between the TyG index and COPD prevalence in the non-diabetic population, marked by notable gender differences.
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Affiliation(s)
- Jun Guo
- General Surgery, Bethune International Peace Hospital, Shijiazhuang, People's Republic of China
| | - Jie Yang
- Cadre Ward, Bethune International Peace Hospital, Shijiazhuang, People's Republic of China
| | - Jinghua Wang
- Nephrology, Bethune International Peace Hospital, Shijiazhuang, People's Republic of China
| | - Wei Liu
- General Surgery, Bethune International Peace Hospital, Shijiazhuang, People's Republic of China
| | - Yingjie Kang
- General Surgery, Hebei Yiling Hospital, Shijiazhuang, People's Republic of China
| | - Zhi Li
- General Surgery, Bethune International Peace Hospital, Shijiazhuang, People's Republic of China
| | - Chen Hao
- General Surgery, Bethune International Peace Hospital, Shijiazhuang, People's Republic of China
| | - Shuai Qi
- General Surgery, Bethune International Peace Hospital, Shijiazhuang, People's Republic of China
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Sun Exposure Score and Vitamin D Levels in Moroccan Women of Childbearing Age. Nutrients 2023; 15:nu15030688. [PMID: 36771395 PMCID: PMC9919642 DOI: 10.3390/nu15030688] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2022] [Revised: 01/22/2023] [Accepted: 01/23/2023] [Indexed: 02/01/2023] Open
Abstract
Sunlight exposure is an essential source of vitamin D for many humans. However, hypovitaminosis D is a global public health problem. This study aimed to develop and validate a sun exposure score (SES) and correlate it with serum 25-hydroxyvitamin D levels in women of childbearing age. One hundred and sixty women aged 18 to 45 years residing in Meknes, Morocco, were included. A questionnaire estimating the sun exposure score and blood analysis of serum 25-OHD concentration were performed. The questionnaire's reliability and construct validity were evaluated using Cronbach's alpha and factor analysis. Spearman's test was used to assess the correlation between SES and 25-OHD levels. The score's reliability and construct validity were good, with Cronbach's alpha values >0.70 and factorial saturation ranging from 0.696 to 0.948. Serum 25-OHD levels were significantly associated with the total sun exposure score, and all SES domains (Rho was 0.615 (p < 0.0001), 0.307 (p < 0.0001), 0.605 (p < 0.0001), and 0.424 (p < 0.0001) for total SES, indoor exposure domain, outdoor exposure domain, and sun protection practice domain, respectively). In addition, median 25-OHD levels increased significantly when sun exposure was changed from insufficient to sufficient (p < 0.0001). The results suggest that the sun exposure score could be used as a clinical tool to assess vitamin D levels in women of childbearing age.
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Pham TTM, Huang YL, Chao JCJ, Chang JS, Chen YC, Wang FF, Bai CH. Plasma 25(OH)D Concentrations and Gestational Diabetes Mellitus among Pregnant Women in Taiwan. Nutrients 2021; 13:nu13082538. [PMID: 34444700 PMCID: PMC8398607 DOI: 10.3390/nu13082538] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2021] [Revised: 07/22/2021] [Accepted: 07/23/2021] [Indexed: 12/15/2022] Open
Abstract
Vitamin D’s function in the development of gestational diabetes mellitus (GDM) is not consistent in the literature. We examined the association between maternal plasma 25(OH)D concentration and GDM risk. A national cross-sectional study (1497 pregnant women) was conducted between 2017 and 2019 across Taiwan. Blood samples were drawn at recruitment to assess 25(OH)D concentrations, including vitamin D deficiency (VDD) (<20 ng/mL), insufficiency (<32 ng/mL), and sufficiency (≥32 ng/mL). GDM was detected from 24 to 28 weeks of gestation with the results extracted from the antenatal visit records. The prevalence of GDM was 2.9%. Logistic model analysis showed that 25(OH)D concentrations were not significantly associated with the risk of GDM (adjusted odds ratio (AOR) = 0.97, p = 0.144). However, subjects with VDD had a significantly greater risk of GDM (AOR = 2.26, p = 0.041), but not in those with vitamin D insufficiency (AOR = 1.20, p = 0.655). Furthermore, cubic piecewise spline regression was used to explore the relationship between five-unit intervals of 25(OH)D and the predicted probability of GDM. As the proportion of GDM increased for low 25(OH)D concentrations, it decreased at moderate concentrations and increased again at higher concentrations. These findings revealed a nonlinear relationship between 25(OH)D and GDM risk. VDD would be risky for GDM occurrence.
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Affiliation(s)
- Thu T. M. Pham
- School of Public Health, College of Public Health, Taipei Medical University, Taipei 110-31, Taiwan;
- Faculty of Public Health, Hai Phong University of Medicine and Pharmacy, Hai Phong 042-12, Vietnam
| | - Ya-Li Huang
- Department of Public Health, School of Medicine, College of Medicine, Taipei Medical University, Taipei 110-31, Taiwan;
| | - Jane C.-J. Chao
- School of Nutrition and Health Sciences, Taipei Medical University, Taipei 110-31, Taiwan; (J.C.-J.C.); (J.-S.C.); (Y.-C.C.)
- Nutrition Research Center, Taipei Medical University Hospital, Taipei 110-31, Taiwan
- Master Program in Global Health and Development, College of Public Health, Taipei Medical University, Taipei 110-31, Taiwan
| | - Jung-Su Chang
- School of Nutrition and Health Sciences, Taipei Medical University, Taipei 110-31, Taiwan; (J.C.-J.C.); (J.-S.C.); (Y.-C.C.)
- Nutrition Research Center, Taipei Medical University Hospital, Taipei 110-31, Taiwan
- Graduate Institute of Metabolism and Obesity Sciences, College of Nutrition, Taipei Medical University, Taipei 110-31, Taiwan
- Chinese Taipei Society for the Study of Obesity (CTSSO), Taipei 110-31, Taiwan
| | - Yi-Chun Chen
- School of Nutrition and Health Sciences, Taipei Medical University, Taipei 110-31, Taiwan; (J.C.-J.C.); (J.-S.C.); (Y.-C.C.)
- Master Program in Food Safety, College of Nutrition, Taipei Medical University, Taipei 110-31, Taiwan
| | - Fan-Fen Wang
- Division of Endocrinology and Metabolism, Department of Medicine, Taipei Veterans General Hospital, Taipei 110-31, Taiwan;
- Department of Medicine, Yangming Branch, Taipei City Hospital, Taipei 111-31, Taiwan
| | - Chyi-Huey Bai
- School of Public Health, College of Public Health, Taipei Medical University, Taipei 110-31, Taiwan;
- Department of Public Health, School of Medicine, College of Medicine, Taipei Medical University, Taipei 110-31, Taiwan;
- Nutrition Research Center, Taipei Medical University Hospital, Taipei 110-31, Taiwan
- Correspondence: ; Tel.: +886-2-2736-1661 (ext. 6510)
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Milajerdi A, Abbasi F, Mousavi SM, Esmaillzadeh A. Maternal vitamin D status and risk of gestational diabetes mellitus: A systematic review and meta-analysis of prospective cohort studies. Clin Nutr 2021; 40:2576-2586. [PMID: 33933723 DOI: 10.1016/j.clnu.2021.03.037] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2020] [Revised: 03/03/2021] [Accepted: 03/23/2021] [Indexed: 12/11/2022]
Abstract
BACKGROUND No earlier systematic review and meta-analysis have been done on the association between maternal serum vitamin D status and risk of GDM among prospective studies. The current study was done to systematically review prospective cohort studies (with several years of follow-up) on the association between maternal serum vitamin D deficiency or insufficiency and risk of GDM. METHODS Relevant papers published up to January 2020 were searched through PubMed, MEDLINE, SCOPUS, EMBASE, and Google Scholar using suitable keywords. All prospective cohort studies reporting Hazard Ratios (HRs) or Relative Risks (RRs) and 95% Confidence Intervals (CI) for GDM across categories of maternal serum vitamin D status were included. RESULTS A total of 29 prospective and nested case-control studies were included in the current systematic review, of which 27 studies had sufficient data for the meta-analysis. Individuals with vitamin D deficiency had a 26% greater risk of developing GDM than those with normal serum vitamin D concentrations (OR: 1.26; 95% CI: 1.13, 1.41). In addition, a significant positive association was seen between combined vitamin D insufficiency and deficiency and risk of developing GDM (OR: 1.23; 95% CI: 1.11, 1.35). Dose-response analysis showed a significant U-shaped non-linear association between serum vitamin D concentrations and risk of developing GDM (P < 0.001), such that those with serum vitamin D concentrations between 40 and 90 nmol/L had significantly reduced risk of GDM. CONCLUSIONS We found a significant association between vitamin D deficiency and an increased risk of GDM. The lowest risk of GDM was found among those with a serum vitamin D levels of 40-90 nmol/L. Further studies, including randomized clinical trials, are needed to confirm our findings. REGISTRATION PROSPERO (ID: 180722), https://www.crd.york.ac.uk/prospero/.
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Affiliation(s)
- Alireza Milajerdi
- Research Center for Biochemistry and Nutrition in Metabolic Diseases, Institute for Basic Sciences, Kashan University of Medical Sciences, Kashan, Iran; Department of Community Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences, Tehran, Iran; Department of Health, Science and Research Branch, AJA University of Medical Sciences, Tehran, Iran
| | - Fatemeh Abbasi
- Department of Sports Injuries, Faculty of Physical Education and Sports Sciences, Allameh Tabataba'i University, Tehran, Iran
| | - Seyed Mohammad Mousavi
- Department of Community Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences, Tehran, Iran
| | - Ahmad Esmaillzadeh
- Obesity and Eating Habits Research Center, Endocrinology and Metabolism Molecular -Cellular Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran; Department of Community Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences, Tehran, Iran; Food Security Research Center, Department of Community Nutrition, School of Nutrition and Food Science, Isfahan University of Medical Sciences, Isfahan, Iran.
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Wang Y, Wang T, Huo Y, Liu L, Liu S, Yin X, Wang R, Gao X. Placenta expression of vitamin D and related genes in pregnant women with gestational diabetes mellitus. J Steroid Biochem Mol Biol 2020; 204:105754. [PMID: 32946925 DOI: 10.1016/j.jsbmb.2020.105754] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/28/2020] [Revised: 08/08/2020] [Accepted: 09/07/2020] [Indexed: 12/19/2022]
Abstract
OBJECTIVES AND METHODS A total of 41 GDM and 40 normal glucose tolerance subjects were recruited. Through detecting the level of Serum vitamin D with electrochemical luminescence and vitamin D receptor (VDR) with Enzyme-linked immunosorbent assay (ELISA) in maternal and cord blood, the expression leves of CYP24A1, CYP27B1, VDR protein and mRNA in placenta and umbilical cord with western blotting and RT-PCR, and the DNA methylation levels of CYP24A1 and CYP27B1 gene in placenta with methylation-specific PCR (MSP) and direct bisulfite sequencing (BSP) analysis to explore the potential role of the vitamin D and its related genes in gestational diabetes mellitus (GDM). RESULTS Serum vitamin D concentrations were significantly higher in normal pregnant than women with GDM in maternal blood (P < 0.01) and cord blood (P = 0.014). Compared to the control group, the expression levels of CYP24A1 protein (P < 0.01) and mRNA (P = 0.021) and VDR protein (P = 0.026) and mRNA (P = 0.023) in the GDM group were significantly higher in placenta and umbilical cord tissues (P = 0.015, P < 0.01, P = 0.028, P < 0.01, respectively), while that of CYP27B1 protein (P < 0.01) and mRNA (P = 0.042) was significantly lower (P = 0.022, P = 0.032, respectively). Moreover, partial DNA methylation of CYP24A1 and CYP27B1 genes was observed in both GDM and control groups. CONCLUSIONS Vitamin D deficiency participates in the pathogenesis of GDM, and changes in the expression of genes related to the vitamin D metabolic pathway are closely related to vitamin D levels in the pregnancy and fetus. However, DNA methylation of CYP24A1 and CYP27B1 might not be involved in the pathogenesis of GDM.
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Affiliation(s)
- Yanyan Wang
- Department of Obstetrics & Gynecology, Hebei General Hospital, Shijiazhuang 050051, China
| | - Tian Wang
- Department of Obstetrics & Gynecology, Hebei General Hospital, Shijiazhuang 050051, China
| | - Yan Huo
- Department of Obstetrics & Gynecology, Hebei General Hospital, Shijiazhuang 050051, China.
| | - Li Liu
- Department of Obstetrics & Gynecology, Hebei General Hospital, Shijiazhuang 050051, China
| | - Suxin Liu
- Department of Obstetrics & Gynecology, Hebei General Hospital, Shijiazhuang 050051, China
| | - Xiaoqian Yin
- Department of Obstetrics & Gynecology, Hebei General Hospital, Shijiazhuang 050051, China
| | - Runfang Wang
- Department of Obstetrics & Gynecology, Hebei General Hospital, Shijiazhuang 050051, China
| | - Xingshuang Gao
- Department of Obstetrics & Gynecology, Hebei General Hospital, Shijiazhuang 050051, China
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Al-Shafei AI, Rayis DA, Mohieldein AH, El-Gendy OA, Adam I. Maternal early pregnancy serum level of 25-Hydroxyvitamin D and risk of gestational diabetes mellitus. Int J Gynaecol Obstet 2020; 152:382-385. [PMID: 32976628 DOI: 10.1002/ijgo.13389] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2020] [Revised: 07/15/2020] [Accepted: 09/18/2020] [Indexed: 12/17/2022]
Abstract
OBJECTIVE To assess if early pregnancy (≤14 weeks of gestation) 25-hydroxyvitamin D (25(OH)D) level is associated with risk of gestational diabetes mellitus (GDM). METHODS A nested case-control study (60 women in each arm) was conducted at Saad Abualila Hospital (Khartoum, Sudan) during the period of January to November 2017. Clinical and obstetrical data were gathered, 25(OH)D concentration was measured at the first prenatal visit, and a 75-g oral glucose tolerance test was performed at 24-28 weeks of gestation. RESULTS Compared with women without GDM, in women with GDM, the median of the 25(OH)D level was significantly lower (7.3 [interquartile range 5.7-8.8] ng/mL versus 8.4 [interquartile range 6.6-11.9] ng/mL, P=0.001). All women in the study (with and without GDM) had vitamin D deficiency (25(OH)D<20 ng/mL). The results of the logistic regression showed that a low 25(OH)D level was the only factor associated with GDM (odds ratio [OR] 0.83, 95% confidence interval [CI] 0.73-0.95, P=0.010). Women with 25(OH)D less than 6.0 ng/mL were at a higher risk of GDM (OR 3.2, 95% CI 1.29-8.12, P=0.012). CONCLUSION A low 25(OH)D level in early pregnancy was associated with increased risk of GDM. This finding might be useful in predicting GDM.
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Affiliation(s)
- Ahmad I Al-Shafei
- Unaizah College of Medicine and Medical Sciences, Qassim University, Unaizah, Kingdom of Saudi Arabia
| | - Duria A Rayis
- Faculty of Medicine, University of Khartoum, Khartoum, Sudan
| | | | - Ola A El-Gendy
- Unaizah College of Medicine and Medical Sciences, Qassim University, Unaizah, Kingdom of Saudi Arabia
| | - Ishag Adam
- Department of Obstetrics and Gynecology, Unaizah College of Medicine and Medical Sciences, Qassim University, Unaizah, Saudi Arabia
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