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Yu L, Zhu Y, Geng L, Xu Y, Zhao M. Effect of different nutrients on blood glucose, inflammatory response and oxidative stress in gestational diabetes mellitus: a network meta-analysis. Br J Nutr 2024; 131:1513-1527. [PMID: 38192249 DOI: 10.1017/s0007114523003069] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2024]
Abstract
We searched PubMed, Web of Science, Embase, The Cochrane Library, China Biomedical Literature Database and other databases from inception to June 2023. The included studies were randomised controlled trials (RCT). The studies were screened by four authors, divided into two independent pairs. A total of eighteen studies were included, including 1362 patients, involving twelve intervention measures. The different nutrients had a significant effect on improving blood glucose, reducing inflammation levels and reducing oxidative stress compared with placebo (P < 0.05). Cumulative probability ranking showed that vitamin A + vitamin D + vitamin E ranked first in lowering fasting blood glucose (standardised mean difference (SMD) = 41.30, 95 % CI (2.07, 825.60)) and postprandial 2-h blood glucose (SMD = 15.19, 95 % CI (4.16, 55.53)). In terms of insulin resistance index, the first highest probability ranking is vitamin D (SMD = 5.12, 95 % CI (0.76, 34.54)). In terms of reducing the high-sensitivity C-reactive protein level, the first in probability ranking is VE (SMD = 2.58, 95 % CI (1.87,3.55)). The results of cumulative probability ranking showed that Mg + Zn + Ca + VD ranked first in reducing TNF-α (SMD = 1.90, 95% CI (0.40, 9.08)) and IL-6 (SMD = 1.83, 95 % CI (0.37, 9.12)). In terms of reducing malondialdehyde levels, the first ranked probability is VB1 (SMD = 4.99, 95 % CI (1.85, 13.46)). Cumulative probability ranking results showed that Ca + VD ranked first in reducing total antioxidant capacity (SMD = 0.66,95 % CI (0.38, 1.15)) and glutathione (SMD = 1.39, 95 % CI (0.43, 4.56)). In conclusion, nutritional interventions have significant effects on improving blood glucose, inflammatory levels and oxidative stress in patients with gestational diabetes. Due to the high uncertainty in the results and differences in the number and quality of studies included, the reliability of the conclusions still needs to be validated by conducting large-sample, high-quality RCT studies.
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Affiliation(s)
- Lingling Yu
- School of Nursing, Anhui Medical University, Hefei, Anhui, China
| | - Yuan Zhu
- School of Nursing, Anhui Medical University, Hefei, Anhui, China
| | - Lan Geng
- School of Nursing, Anhui Medical University, Hefei, Anhui, China
| | - Yueming Xu
- School of Nursing, Anhui Medical University, Hefei, Anhui, China
| | - Mei Zhao
- School of Nursing, Anhui Medical University, Hefei, Anhui, China
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Leca BM, Kite C, Lagojda L, Davasgaium A, Dallaway A, Chatha KK, Randeva HS, Kyrou I. Retinol-binding protein 4 (RBP4) circulating levels and gestational diabetes mellitus: a systematic review and meta-analysis. Front Public Health 2024; 12:1348970. [PMID: 38532976 PMCID: PMC10964926 DOI: 10.3389/fpubh.2024.1348970] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2023] [Accepted: 02/15/2024] [Indexed: 03/28/2024] Open
Abstract
Background Gestational diabetes mellitus (GDM) is a prevalent condition where diabetes is diagnosed during pregnancy, affecting both maternal and fetal outcomes. Retinol-binding protein 4 (RBP4) is a circulating adipokine which belongs to the lipocalin family and acts as a specific carrier protein that delivers retinol (vitamin A) from the liver to the peripheral tissues. Growing data indicate that circulating RBP4 levels may positively correlate with GDM. Thus, this systematic review and meta-analysis aimed to investigate the potential relationship between circulating RBP4 levels and GDM when measured at various stages of pregnancy. Methods MEDLINE, CINAHL, EMCARE, EMBASE, Scopus, and Web of Science databases were searched to identify studies comparing pregnant women with and without GDM, whose circulating RBP4 levels were measured in at least one pregnancy trimester. Findings were reported using standardized mean difference (SMD) and random-effects models were used to account for variability among studies. Furthermore, the risk of bias was assessed using the RoBANS tool. Results Out of the 34 studies identified, 32 were included in the meta-analysis (seven with circulating RBP4 levels measured in the first trimester, 19 at 24-28 weeks, and 14 at >28 weeks of pregnancy). RBP4 levels were statistically higher in the GDM group than in controls when measured during all these pregnancy stages, with the noted RBP4 SMD being 0.322 in the first trimester (95% CI: 0.126-0.517; p < 0.001; 946 GDM cases vs. 1701 non-GDM controls); 0.628 at 24-28 weeks of gestation (95% CI: 0.290-0.966; p < 0.001; 1776 GDM cases vs. 1942 controls); and 0.875 at >28 weeks of gestation (95% CI: 0.252-1.498; p = 0.006; 870 GDM cases vs. 1942 non-GDM controls). Significant study heterogeneity was noted for all three pregnancy timepoints. Conclusion The present findings indicate consistently higher circulating RBP4 levels in GDM cases compared to non-GDM controls, suggesting the potential relevance of RBP4 as a biomarker for GDM. However, the documented substantial study heterogeneity, alongside imprecision in effect estimates, underscores the need for further research and standardization of measurement methods to elucidate whether RBP4 can be utilized in clinical practice as a potential GDM biomarker. Systematic review registration PROSPERO (CRD42022340097: https://www.crd.york.ac.uk/prospero/display_record.php?ID=CRD42022340097).
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Affiliation(s)
- Bianca M. Leca
- Warwickshire Institute for the Study of Diabetes, Endocrinology and Metabolism (WISDEM), University Hospitals Coventry and Warwickshire NHS Trust, Coventry, United Kingdom
- Warwick Medical School, University of Warwick, Coventry, United Kingdom
| | - Chris Kite
- Warwickshire Institute for the Study of Diabetes, Endocrinology and Metabolism (WISDEM), University Hospitals Coventry and Warwickshire NHS Trust, Coventry, United Kingdom
- School of Health and Society, Faculty of Education, Health and Wellbeing, University of Wolverhampton, Wolverhampton, United Kingdom
- Centre for Sport, Exercise and Life Sciences, Research Institute for Health and Wellbeing, Coventry University, Coventry, United Kingdom
- Chester Medical School, University of Chester, Shrewsbury, United Kingdom
| | - Lukasz Lagojda
- Warwickshire Institute for the Study of Diabetes, Endocrinology and Metabolism (WISDEM), University Hospitals Coventry and Warwickshire NHS Trust, Coventry, United Kingdom
- Clinical Evidence-Based Information Service (CEBIS), University Hospitals Coventry and Warwickshire NHS Trust, Coventry, United Kingdom
| | - Allan Davasgaium
- Warwickshire Institute for the Study of Diabetes, Endocrinology and Metabolism (WISDEM), University Hospitals Coventry and Warwickshire NHS Trust, Coventry, United Kingdom
| | - Alex Dallaway
- Warwickshire Institute for the Study of Diabetes, Endocrinology and Metabolism (WISDEM), University Hospitals Coventry and Warwickshire NHS Trust, Coventry, United Kingdom
- School of Health and Society, Faculty of Education, Health and Wellbeing, University of Wolverhampton, Wolverhampton, United Kingdom
| | - Kamaljit Kaur Chatha
- Department of Biochemistry and Immunology, University Hospitals Coventry and Warwickshire NHS Trust, Coventry, United Kingdom
- Institute for Cardiometabolic Medicine, University Hospitals Coventry and Warwickshire NHS Trust, Coventry, United Kingdom
| | - Harpal S. Randeva
- Warwickshire Institute for the Study of Diabetes, Endocrinology and Metabolism (WISDEM), University Hospitals Coventry and Warwickshire NHS Trust, Coventry, United Kingdom
- Warwick Medical School, University of Warwick, Coventry, United Kingdom
- Centre for Sport, Exercise and Life Sciences, Research Institute for Health and Wellbeing, Coventry University, Coventry, United Kingdom
- Institute for Cardiometabolic Medicine, University Hospitals Coventry and Warwickshire NHS Trust, Coventry, United Kingdom
| | - Ioannis Kyrou
- Warwickshire Institute for the Study of Diabetes, Endocrinology and Metabolism (WISDEM), University Hospitals Coventry and Warwickshire NHS Trust, Coventry, United Kingdom
- Warwick Medical School, University of Warwick, Coventry, United Kingdom
- Centre for Sport, Exercise and Life Sciences, Research Institute for Health and Wellbeing, Coventry University, Coventry, United Kingdom
- Institute for Cardiometabolic Medicine, University Hospitals Coventry and Warwickshire NHS Trust, Coventry, United Kingdom
- Aston Medical School, College of Health and Life Sciences, Aston University, Birmingham, United Kingdom
- College of Health, Psychology and Social Care, University of Derby, Derby, United Kingdom
- Laboratory of Dietetics and Quality of Life, Department of Food Science and Human Nutrition, School of Food and Nutritional Sciences, Agricultural University of Athens, Athens, Greece
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Zhang W, Yuan Y, Cui X, Chen S, Zhuang X. The level of serum retinol-binding protein is associated with diabetic mild cognitive impairment. Brain Res 2024; 1822:148670. [PMID: 37944571 DOI: 10.1016/j.brainres.2023.148670] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2023] [Revised: 10/20/2023] [Accepted: 11/06/2023] [Indexed: 11/12/2023]
Abstract
BACKGROUND Several studies have shown that retinol-binding protein (RBP) is linked to diabetes and neurodegenerative diseases. However, no studies have elucidated the relationship between RBP and diabetic cognitive disorders. OBJECTIVE To determine whether the change characteristics of serum RBP are associated with alterations in cognitive functioning in type 2 diabetes mellitus (T2DM). METHODS In this study, 252 patients with T2DM and 34 people as healthy controls were included. According to the Montreal Cognitive Assessment (MoCA), the diabetic subjects were divided into the mild cognitive impairment (MCI) group and the Non-MCI group. Demographic characteristics and clinical indicators as well as serum RBP levels were analyzed. RESULTS The serum RBP levels in the MCI group were lower compared with the Non-MCI group (P = 0.02). The level of RBP was higher in the diabetes without MCI group than in the healthy control (P < 0.001). Serum RBP levels were positively correlated with MoCA scores (r = 0.178, P = 0.003). Binary Logistic regression model analysis showed that low RBP [odds ratio (OR) = 0.936], old age (OR = 1.074), high fasting blood glucose (OR = 1.164), and low fasting C-peptide (OR = 0.722) may be independent risk factors for diabetic MCI. The ROC curve of serum RBP for predicting diabetic MCI showed that the area under the curve was 0.630. CONCLUSIONS Our study revealed an association between serum RBP and diabetic MCI. Serum RBP levels in diabetic MCI are lower and correlated with cognitive function.
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Affiliation(s)
- Wenjie Zhang
- Department of General Practice, The Second Hospital of Shandong University, Jinan 250000, China
| | - Yuqi Yuan
- Department of Clinical Epidemiology and Evidence-based Medicine, The Second Hospital of Shandong University, Jinan 250000, China
| | - Xiaoxia Cui
- The Second Hospital of Shandong University, Jinan 250000, China
| | - Shihong Chen
- Department of Endocrinology, The Second Hospital of Shandong University, Jinan 250000, China.
| | - Xianghua Zhuang
- Department of Endocrinology, The Second Hospital of Shandong University, Jinan 250000, China.
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Ghorbanian B, Wong A, Iranpour A. The effect of dietary carbohydrate restriction and aerobic exercise on retinol binding protein 4 (RBP4) and fatty acid binding protein 5 (FABP5) in middle-aged men with metabolic syndrome. Br J Nutr 2023; 130:553-563. [PMID: 36373560 DOI: 10.1017/s0007114522003580] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Exercise and dietary interventions have been described to positively affect metabolic syndrome (MetS) via molecular-induced changes. The purpose of this study was to investigate the effects of dietary carbohydrate restriction and aerobic exercise (AE) on retinol binding protein 4 (RBP4) and fatty acid binding protein 5 (FABP5) in middle-aged men with MetS. The study had a randomised, double-blinded, parallel-controlled design. Forty middle-aged men with MetS (age: 53·97 ± 2·85 years, BMI = 31·09 ± 1·04 kg/m2) were randomly assigned to four groups, AE (n 10), ketogenic diet (KD; n 10), AE combined with KD (AE + KD; n 10) or control (C; n 10). RBP4, FABP5, body composition (body mass, BMI and body fat), insulin resistance, insulin sensitivity and MetS factors were evaluated prior to and after the 12-week intervention. AE + KD significantly decreased the body fat percentage (P = 0·006), BMI (P = 0·001), Zmets (P = 0·017), RBP4 (P = 0·017) and the homeostasis model of insulin resistance (HOMA-IR) (P = 0·001) as compared with control group and marginally significantly decreased the Zmets as compared with exercise group (P = 0·086). KD significantly decreased RBP4 levels as compared with control group (P = 0·041). Only the AE intervention (P = 0·045) significantly decreased FABP5 levels. Combining intervention of carbohydrate restriction with AE compared with carbohydrate restriction and AE alone improved RBP4, HOMA-IR as well as different body composition and MetS factors in middle-aged men with MetS.
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Affiliation(s)
- Bahloul Ghorbanian
- Department of Physical Education, Faculty of Educational Sciences and Psychology, Azarbaijan Shahid Madani University, Tabriz, Iran
| | - Alexei Wong
- Department of Health and Human Performance, Marymount University, Arlington, VA, USA
| | - Asgar Iranpour
- Department of Sports Physiology, Faculty of Educational Sciences and Psychology, University of Mohaghegh Ardabili, Ardabil, Iran
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Ovariectomy Increases Circulating Retinol-Binding Protein Concentrations Independently of Sex-Dependent Differences in Retinol Concentrations in Rats. J Nutr 2023; 153:1019-1028. [PMID: 36870537 DOI: 10.1016/j.tjnut.2023.02.033] [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: 10/19/2022] [Revised: 02/21/2023] [Accepted: 02/24/2023] [Indexed: 03/06/2023] Open
Abstract
BACKGROUND There is a sex-dependent difference in blood retinol and RBP concentrations, and plasma RBP is associated with insulin resistance. OBJECTIVES We aimed to clarify sex-dependent variations in body concentrations of retinol and RBPs and their association with sex hormones in rats. METHODS Plasma and liver retinol concentrations and hepatic mRNA and plasma concentrations of RBP4 were analyzed in 3- and 8-wk-old male and female Wistar rats before and after sexual maturity (experiment 1) and in orchiectomized male Wistar rats (experiment 2) and ovariectomized female Wistar rats (experiment 3). Furthermore, the mRNA and protein concentrations of RBP4 in adipose tissue were measured in ovariectomized female rats (experiment 3). RESULTS There were no sex-dependent differences in liver retinyl palmitate and retinol concentrations; however, the plasma retinol concentration was significantly higher in male rats than that in female rats after sexual maturity. Furthermore, the plasma retinol concentrations did not differ between the ovariectomized or orchiectomized rats and the control rats. Plasma Rbp4 mRNA concentrations were higher in male rats than those in female rats but not in castrated and control rats, a change consistent with plasma retinol concentration. Plasma RBP4 concentrations were also higher in male rats than those in female rats; however, unlike liver Rbp4 gene expression, plasma RBP4 concentrations were 7-fold higher in the ovariectomized rats than those in the control rats. Moreover, the Rbp4 mRNA concentrations in inguinal white adipose tissue was significantly higher in the ovariectomized rats than those in the control rats and correlated with plasma RBP4 concentrations. CONCLUSIONS Hepatic Rbp4 mRNA is higher in male rats through a sex hormone-independent mechanism, which may contribute to sex differences in blood retinol concentrations. Furthermore, ovariectomy leads to an increase in adipose tissue Rbp4 mRNA and blood RBP4 concentrations, which may contribute to insulin resistance in ovariectomized rats and postmenopausal women.
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Raineri S, Sherriff JA, Thompson KSJ, Jones H, Pfluger PT, Ilott NE, Mellor J. Pharmacologically induced weight loss is associated with distinct gut microbiome changes in obese rats. BMC Microbiol 2022; 22:91. [PMID: 35392807 PMCID: PMC8988407 DOI: 10.1186/s12866-022-02494-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2021] [Accepted: 03/17/2022] [Indexed: 12/20/2022] Open
Abstract
Background Obesity, metabolic disease and some psychiatric conditions are associated with changes to relative abundance of bacterial species and specific genes in the faecal microbiome. Little is known about the impact of pharmacologically induced weight loss on distinct microbiome species and their respective gene programs in obese individuals. Methodology Using shotgun metagenomics, the composition of the microbiome was obtained for two cohorts of obese female Wistar rats (n = 10–12, total of 82) maintained on a high fat diet before and after a 42-day treatment with a panel of four investigatory or approved anti-obesity drugs (tacrolimus/FK506, bupropion, naltrexone and sibutramine), alone or in combination. Results Only sibutramine treatment induced consistent weight loss and improved glycaemic control in the obese rats. Weight loss was associated with reduced food intake and changes to the faecal microbiome in multiple microbial taxa, genes, and pathways. These include increased β-diversity, increased relative abundance of multiple Bacteroides species, increased Bacteroides/Firmicutes ratio and changes to abundance of genes and species associated with obesity-induced inflammation, particularly those encoding components of the flagellum and its assembly. Conclusions Sibutramine-induced weight loss in obese rats is associated with improved metabolic health, and changes to the faecal microbiome consistent with a reduction in obesity-induced bacterially-driven inflammation. Supplementary Information The online version contains supplementary material available at 10.1186/s12866-022-02494-1.
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Affiliation(s)
- Silvia Raineri
- Department of Biochemistry, University of Oxford, Oxford, OX1 3QU, UK.,Chronos Therapeutics Ltd., Magdalen Centre, The Oxford Science Park, Oxford, OX4 4GA, UK
| | - Julia A Sherriff
- Chronos Therapeutics Ltd., Magdalen Centre, The Oxford Science Park, Oxford, OX4 4GA, UK
| | - Kevin S J Thompson
- Chronos Therapeutics Ltd., Magdalen Centre, The Oxford Science Park, Oxford, OX4 4GA, UK
| | - Huw Jones
- Chronos Therapeutics Ltd., Magdalen Centre, The Oxford Science Park, Oxford, OX4 4GA, UK
| | - Paul T Pfluger
- Research Unit Neurobiology of Diabetes, Helmholtz Zentrum München, Ingolstädter Landstrasse, 1D-85764, Neuherberg, Germany
| | - Nicholas E Ilott
- Oxford Centre for Microbiome Studies, Kennedy Institute of Rheumatology, Roosevelt Drive, Oxford, OX2 7FY, UK
| | - Jane Mellor
- Department of Biochemistry, University of Oxford, Oxford, OX1 3QU, UK. .,Chronos Therapeutics Ltd., Magdalen Centre, The Oxford Science Park, Oxford, OX4 4GA, UK.
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Plasma Retinoid Concentrations Are Altered in Pregnant Women. Nutrients 2022; 14:nu14071365. [PMID: 35405978 PMCID: PMC9002937 DOI: 10.3390/nu14071365] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2022] [Accepted: 03/18/2022] [Indexed: 11/22/2022] Open
Abstract
Vitamin A is vital to maternal–fetal health and pregnancy outcomes. However, little is known about pregnancy associated changes in maternal vitamin A homeostasis and concentrations of circulating retinol metabolites. The goal of this study was to characterize retinoid concentrations in healthy women (n = 23) during two stages of pregnancy (25–28 weeks gestation and 28–32 weeks gestation) as compared to ≥3 months postpartum. It was hypothesized that plasma retinol, retinol binding protein 4 (RBP4), transthyretin and albumin concentrations would decline during pregnancy and return to baseline by 3 months postpartum. At 25–28 weeks gestation, plasma retinol (−27%), 4-oxo-13-cis-retinoic acid (−34%), and albumin (−22%) concentrations were significantly lower, and all-trans-retinoic acid (+48%) concentrations were significantly higher compared to ≥3 months postpartum in healthy women. In addition, at 28–32 weeks gestation, plasma retinol (−41%), retinol binding protein 4 (RBP4; −17%), transthyretin (TTR; −21%), albumin (−26%), 13-cis-retinoic acid (−23%) and 4-oxo-13-cis-retinoic acid (−48%) concentrations were significantly lower, whereas plasma all-trans-retinoic acid concentrations (+30%) were significantly higher than ≥3 months postpartum. Collectively, the data demonstrates that in healthy pregnancies, retinol plasma concentrations are lower, but all-trans-retinoic acid concentrations are higher than postpartum.
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Lu J, Wang D, Ma B, Gai X, Kang X, Wang J, Xiong K. Blood retinol and retinol-binding protein concentrations are associated with diabetes: a systematic review and meta-analysis of observational studies. Eur J Nutr 2022; 61:3315-3326. [PMID: 35318493 DOI: 10.1007/s00394-022-02859-2] [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: 07/24/2021] [Accepted: 03/02/2022] [Indexed: 11/24/2022]
Abstract
PURPOSE The associations between blood retinol, retinol-binding protein (RBP) concentrations and diabetes mellitus were inconsistent in literature. The objective is to investigate these associations by a systematic review and meta-analysis and provide basis for clinical intervention. METHODS PubMed, Web of science, and Cochrane databases were searched from the beginning to July 1, 2021. A total of 13 studies on retinol and 31 studies on RBP are included in the current meta-analysis. RESULTS The blood retinol concentration was significantly lower in the type I diabetes mellitus (T1DM) [standardized mean difference (SMD) (95% CI): - 0.59 (- 0.81, - 0.37), P < 0.01] and gestational diabetes mellitus (GDM) patients [SMD (95% CI): - 0.54 (- 0.87, - 0.20), P < 0.01] than in the controls. However, the difference was not significant between the type II diabetes mellitus (T2DM) patients and the controls. The RBP concentration was significantly higher in the diabetic patients than in the controls [SMD (95% CI): 0.24 (0.12, 0.35), P < 0.01]. Particularly, the RBP concentration was significantly higher in the T2DM and GDM patients. CONCLUSION The blood retinol concentration was negatively associated with T1DM and GDM, while the blood RBP concentration was positively associated with T2DM and GDM. Future work should use a more sensitive retinol measurement method like retinol isotope dilution method to confirm whether blood retinol concentration differs between the diabetes patients and the controls.
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Affiliation(s)
- Jialin Lu
- Institute of Nutrition and Health, School of Public Health, Qingdao University, Qingdao, Shandong, China
| | - Dandan Wang
- Department of Nutrition, The Affiliated Hospital of Qingdao University, Qingdao, Shandong, China
| | - Baolan Ma
- Health Management Center, The 971 Naval Hospital, Qingdao, Shandong, China
| | - Xiaochun Gai
- Institute of Nutrition and Health, School of Public Health, Qingdao University, Qingdao, Shandong, China
| | - Xiao Kang
- Institute of Nutrition and Health, School of Public Health, Qingdao University, Qingdao, Shandong, China
| | - Jinyu Wang
- Institute of Nutrition and Health, School of Public Health, Qingdao University, Qingdao, Shandong, China
| | - Ke Xiong
- Institute of Nutrition and Health, School of Public Health, Qingdao University, Qingdao, Shandong, China.
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Santander Ballestín S, Giménez Campos MI, Ballestín Ballestín J, Luesma Bartolomé MJ. Is Supplementation with Micronutrients Still Necessary during Pregnancy? A Review. Nutrients 2021; 13:3134. [PMID: 34579011 PMCID: PMC8469293 DOI: 10.3390/nu13093134] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2021] [Revised: 08/26/2021] [Accepted: 09/06/2021] [Indexed: 02/06/2023] Open
Abstract
INTRODUCTION Proper nutrition during pregnancy is important to prevent nutritional imbalances that interfere with pregnancy. Micronutrients play critical roles in embryogenesis, fetal growth, and maternal health, as energy, protein, vitamin, and mineral needs can increase during pregnancy. Increased needs can be met by increasing the intake of dietary micronutrients. Severe micronutrient deficiency or excess during pregnancy can have negative effects on fetal growth (intrauterine growth retardation, low birth weight, or congenital malformations) and pregnancy development (pre-eclampsia or gestational diabetes). We investigate whether it is necessary to continue micronutrient supplementation during pregnancy to improve women's health in this stage and whether this supplementation could prevent and control pathologies associated with pregnancy. AIM The present review aims to summarize evidence on the effects of nutritional deficiencies on maternal and newborn morbidity. METHODS This aim is addressed by critically reviewing results from published studies on supplementation with different nutrients during pregnancy. For this, major scientific databases, scientific texts, and official webpages have been consulted. PubMed searches using the terms "pregnancy" OR "maternal-fetal health" AND "vitamins" OR "minerals" OR "supplementation" AND "requirement" OR "deficiency nutrients" were performed. RESULTS There are accepted interventions during pregnancy, such as folic acid supplementation to prevent congenital neural tube defects, potassium iodide supplementation to correct neurodevelopment, and oral iron supplementation during the second half of pregnancy to reduce the risk of maternal anemia and iron deficiency. A number of micronutrients have also been associated with pre-eclampsia, gestational diabetes mellitus, and nausea and vomiting in pregnancy. In general, experimental studies are necessary to demonstrate the benefits of supplementation with different micronutrients and to adjust the recommended daily doses and the recommended periconceptional nutrition for mothers. CONCLUSIONS Presently, there is evidence of the benefits of micronutrient supplementation in perinatal results, but indiscriminate use is discouraged due to the fact that the side effects of excessive doses are not known. Evidence supports the idea that micronutrient deficiencies negatively affect maternal health and the outcome of pregnancy. No single micronutrient is responsible for the adverse effects; thus, supplementing or correcting one deficiency will not be very effective while other deficiencies exist.
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Affiliation(s)
- Sonia Santander Ballestín
- Department of Pharmacology, Physiology and Legal and Forensic Medicine, Faculty of Medicine, University of Zaragoza, 50009 Zaragoza, Spain
| | | | | | - María José Luesma Bartolomé
- Department of Human Anatomy and Histology, Faculty of Science, University of Zaragoza, 50009 Zaragoza, Spain;
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Bogdanet D, Reddin C, Murphy D, Doheny HC, Halperin JA, Dunne F, O’Shea PM. Emerging Protein Biomarkers for the Diagnosis or Prediction of Gestational Diabetes-A Scoping Review. J Clin Med 2021; 10:jcm10071533. [PMID: 33917484 PMCID: PMC8038821 DOI: 10.3390/jcm10071533] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2021] [Revised: 04/02/2021] [Accepted: 04/02/2021] [Indexed: 02/06/2023] Open
Abstract
Introduction: Gestational diabetes (GDM), defined as hyperglycemia with onset or initial recognition during pregnancy, has a rising prevalence paralleling the rise in type 2 diabetes (T2DM) and obesity. GDM is associated with short-term and long-term consequences for both mother and child. Therefore, it is crucial we efficiently identify all cases and initiate early treatment, reducing fetal exposure to hyperglycemia and reducing GDM-related adverse pregnancy outcomes. For this reason, GDM screening is recommended as part of routine pregnancy care. The current screening method, the oral glucose tolerance test (OGTT), is a lengthy, cumbersome and inconvenient test with poor reproducibility. Newer biomarkers that do not necessitate a fasting sample are needed for the prompt diagnosis of GDM. The aim of this scoping review is to highlight and describe emerging protein biomarkers that fulfill these requirements for the diagnosis of GDM. Materials and Methods: This scoping review was conducted according to preferred reporting items for systematic reviews and meta-analyses (PRISMA) guidelines for scoping reviews using Cochrane Central Register of Controlled Trials (CENTRAL), the Cumulative Index to Nursing & Allied Health Literature (CINAHL), PubMed, Embase and Web of Science with a double screening and extraction process. The search included all articles published in the literature to July 2020. Results: Of the 3519 original database citations identified, 385 were eligible for full-text review. Of these, 332 (86.2%) were included in the scoping review providing a total of 589 biomarkers studied in relation to GDM diagnosis. Given the high number of biomarkers identified, three post hoc criteria were introduced to reduce the items set for discussion: we chose only protein biomarkers with at least five citations in the articles identified by our search and published in the years 2017-2020. When applied, these criteria identified a total of 15 biomarkers, which went forward for review and discussion. Conclusions: This review details protein biomarkers that have been studied to find a suitable test for GDM diagnosis with the potential to replace the OGTT used in current GDM screening protocols. Ongoing research efforts will continue to identify more accurate and practical biomarkers to take GDM screening and diagnosis into the 21st century.
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Affiliation(s)
- Delia Bogdanet
- College of Medicine Nursing and Health Sciences, National University of Ireland Galway, H91TK33 Galway, Ireland;
- Centre for Diabetes Endocrinology and Metabolism, Galway University Hospital, Newcastle Road, H91YR71 Galway, Ireland; (C.R.); (D.M.); (H.C.D.); (P.M.O.)
- Correspondence: ; Tel.: +35-38-3102-7771
| | - Catriona Reddin
- Centre for Diabetes Endocrinology and Metabolism, Galway University Hospital, Newcastle Road, H91YR71 Galway, Ireland; (C.R.); (D.M.); (H.C.D.); (P.M.O.)
| | - Dearbhla Murphy
- Centre for Diabetes Endocrinology and Metabolism, Galway University Hospital, Newcastle Road, H91YR71 Galway, Ireland; (C.R.); (D.M.); (H.C.D.); (P.M.O.)
| | - Helen C. Doheny
- Centre for Diabetes Endocrinology and Metabolism, Galway University Hospital, Newcastle Road, H91YR71 Galway, Ireland; (C.R.); (D.M.); (H.C.D.); (P.M.O.)
| | - Jose A. Halperin
- Divisions of Haematology, Brigham & Women’s Hospital, Boston, MA 02115, USA;
| | - Fidelma Dunne
- College of Medicine Nursing and Health Sciences, National University of Ireland Galway, H91TK33 Galway, Ireland;
- Centre for Diabetes Endocrinology and Metabolism, Galway University Hospital, Newcastle Road, H91YR71 Galway, Ireland; (C.R.); (D.M.); (H.C.D.); (P.M.O.)
| | - Paula M. O’Shea
- Centre for Diabetes Endocrinology and Metabolism, Galway University Hospital, Newcastle Road, H91YR71 Galway, Ireland; (C.R.); (D.M.); (H.C.D.); (P.M.O.)
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11
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Galbán-Velázquez S, Esteban J, Çakmak G, Artacho-Cordón F, León J, Barril J, Vela-Soria F, Martin-Olmedo P, Fernandez MF, Pellín MC, Arrebola JP. Associations of persistent organic pollutants in human adipose tissue with retinoid levels and their relevance to the redox microenvironment. ENVIRONMENTAL RESEARCH 2021; 195:110764. [PMID: 33497679 PMCID: PMC8127078 DOI: 10.1016/j.envres.2021.110764] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/01/2020] [Revised: 01/12/2021] [Accepted: 01/17/2021] [Indexed: 05/30/2023]
Abstract
Humans are exposed to a myriad of chemical substances in both occupational and environmental settings. Persistent organic pollutants (POPs) have drawn attention for their adverse effects including cancer and endocrine disruption. Herein, the objectives were 1) to describe serum and adipose tissue retinol levels, along with serum retinol binding protein 4 (RBP4) concentrations, and 2) to assess the associations of adipose tissue POP levels with these retinoid parameters, as well as their potential interaction with the previously-observed POP-related disruption of redox microenvironment. Retinol was measured in both serum and adipose tissue along with RBP4 levels in serum samples of 236 participants of the GraMo adult cohort. Associations were explored by multivariable linear regression analyses and Weighted Quantile Sum regression. Polychlorinated biphenyls (PCBs) 180, 153 and 138 were related to decreased adipose tissue retinol levels and increased serum RBP4/retinol ratio. Dicofol concentrations > limit of detection were associated with decreased retinol levels in serum and adipose tissue. Additionally, increased adipose tissue retinol levels were linked to an attenuation in previously-reported associations of adipose tissue PCB-153 with in situ superoxide dismutase activity. Our results revealed a suggestive link between retinoids, PCBs and redox microenvironment, potentially relevant for both mechanistic and public health purposes.
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Affiliation(s)
| | - Javier Esteban
- Instituto de Bioingeniería, Universidad Miguel Hernández de Elche, Elche, Spain.
| | - Gonca Çakmak
- Instituto de Bioingeniería, Universidad Miguel Hernández de Elche, Elche, Spain; Department of Toxicology, Faculty of Pharmacy, Gazi University, 06330, Ankara, Turkey
| | - Francisco Artacho-Cordón
- Department of Radiology and Physical Medicine, University of Granada, 18016, Granada, Spain; CIBER Epidemiology and Public Health (CIBERESP), 28029, Madrid, Spain
| | - Josefa León
- Instituto de Investigación Biosanitaria Ibs.GRANADA, Granada, Spain; Unidad de Gestión Clínica de Aparato Digestivo, Hospital Universitario San Cecilio de Granada, Spain; CIBER Hepatic and Digestive Diseases (CIBEREHD), 28029, Madrid, Spain
| | - Jose Barril
- Instituto de Bioingeniería, Universidad Miguel Hernández de Elche, Elche, Spain
| | | | - Piedad Martin-Olmedo
- Instituto de Investigación Biosanitaria Ibs.GRANADA, Granada, Spain; Andalusian School of Public Health, 18011, Granada, Spain
| | - Mariana F Fernandez
- Department of Radiology and Physical Medicine, University of Granada, 18016, Granada, Spain; CIBER Epidemiology and Public Health (CIBERESP), 28029, Madrid, Spain; Instituto de Investigación Biosanitaria Ibs.GRANADA, Granada, Spain
| | - M Cruz Pellín
- Instituto de Bioingeniería, Universidad Miguel Hernández de Elche, Elche, Spain
| | - Juan P Arrebola
- CIBER Epidemiology and Public Health (CIBERESP), 28029, Madrid, Spain; Instituto de Investigación Biosanitaria Ibs.GRANADA, Granada, Spain; Department of Preventive Medicine and Public Health, University of Granada, Spain
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12
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Zardooz H, Sadeghimahalli F, Khodagholi F. Early postnatal stress impairs insulin secretion in response to psychological stress in adult rats. J Endocrinol Invest 2021; 44:277-286. [PMID: 32458408 DOI: 10.1007/s40618-020-01291-9] [Citation(s) in RCA: 1] [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] [Received: 02/13/2020] [Accepted: 05/03/2020] [Indexed: 12/13/2022]
Abstract
PURPOSE Adversity in early life can induce metabolic defects in exposure to stress in adulthood. Therefore, the exploration of involving mechanisms can be helpful in the treatment of metabolic disorders. So, the present study was conducted in terms of exploring the effects of interaction between early postnatal stress and young adulthood psychological stress on insulin secretion and pancreatic GLUT-2 levels in male rats. METHODS Footshock as a model of early life stress (at 2 weeks of age) and psychological stress induced by communication box as a model of young adulthood stress (at 8-10 weeks of age) were induced in male Wistar rats for five consecutive days (2 times/day). Blood samples were drawn to measure glucose, insulin, homeostatic model assessment of insulin resistance (HOMA-IR) and homeostasis model assessment of β-cell dysfunction (HOMA-B), before and after stress protocol in young adult rats. Corticosterone was measured on days 1 and 5 of stress induction. The day after the stress period, factors including glucose tolerance, TNF-alpha, isolated islets' insulin output and levels of pancreatic GLUT-2 protein via western blotting were determined. RESULTS The combination of early footshock exposure and psychological stress during adulthood did not affect plasma corticosterone, but increased plasma insulin, HOMA-IR, HOMA-B and TNF-alpha levels. Plasma TNF was not only increased by the combination of both stressors, but also after only E STR exposure. HOMA-IR was increased in both Psy STR and E + Psy-STR groups. Plasma glucose just increased in Psy STR group. The combination of these two life stressors further increased the in vitro insulin secretion from isolated islets in response to 16.7-mM glucose. The level of Glut2 was increased in Psy STR and decreased in both E STR and E + Psy STR groups. Finally, glucose tolerance was impaired and glucose-stimulated insulin secretion was increased in E + Psy STR group. CONCLUSIONS In conclusion, inducing stress in early life makes the organism more susceptible to metabolic defects in exposure to psychological stress later in life.
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Affiliation(s)
- H Zardooz
- Department of Physiology and Neurophysiology Research Center, Faculty of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - F Sadeghimahalli
- Department of Physiology, Faculty of Medicine, Mazandaran University of Medical Sciences, Sari, Iran.
- Diabetes Research Center, Mazandaran University of Medical Sciences, Sari, Iran.
| | - F Khodagholi
- Neuroscience Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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13
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de Souza Mesquita LM, Mennitti LV, de Rosso VV, Pisani LP. The role of vitamin A and its pro-vitamin carotenoids in fetal and neonatal programming: gaps in knowledge and metabolic pathways. Nutr Rev 2020; 79:76-87. [DOI: 10.1093/nutrit/nuaa075] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
Abstract
Vitamin A (VA) and its pro-vitamin carotenoids are naturally occurring lipophilic compounds involved in several cellular processes and metabolic pathways. Despite their broad spectrum of activities in the general population, dietary deficiencies of these compounds can potentially affect pregnancy outcomes. Since maternal nutritional status and diet composition during pregnancy and lactation can have long-lasting effects in offspring until adulthood, this study presents an overview of VA and the role of pro-VA carotenoids during pregnancy and lactation – the nutrition, metabolism, and biological effects in the offspring. The review aimed to discuss the pro-VA carotenoids and VA-associated pathways and summarize the results with reference to gestational disorders, and VA and pro-VA carotenoids as preventive agents. Also, considering that obesity, overweight, and metabolic diseases are major public health concerns worldwide, fetal and neonatal development is discussed, highlighting the physiological role of these molecules in obesity prevention. This review comprehensively summarizes the current data and shows the potential impact of these compounds on nutritional status in pregnancy and lactation.
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Affiliation(s)
- Leonardo M de Souza Mesquita
- Departamento de Biociências, Laboratório de Nutrição e Fisiologia Endócrina (LaNFE), Universidade Federal de São Paulo, Vila Mathias, Santos, São Paulo, Brazil
| | - Laís V Mennitti
- Departamento de Biociências, Laboratório de Nutrição e Fisiologia Endócrina (LaNFE), Universidade Federal de São Paulo, Vila Mathias, Santos, São Paulo, Brazil
| | - Veridiana V de Rosso
- Departamento de Biociências, Laboratório de Nutrição e Fisiologia Endócrina (LaNFE), Universidade Federal de São Paulo, Vila Mathias, Santos, São Paulo, Brazil
| | - Luciana P Pisani
- Departamento de Biociências, Laboratório de Nutrição e Fisiologia Endócrina (LaNFE), Universidade Federal de São Paulo, Vila Mathias, Santos, São Paulo, Brazil
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14
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Liu M, Chen Y, Chen D. Association between transthyretin concentrations and gestational diabetes mellitus in Chinese women. Arch Gynecol Obstet 2020; 302:329-335. [PMID: 32451658 DOI: 10.1007/s00404-020-05599-y] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2019] [Accepted: 03/12/2020] [Indexed: 02/07/2023]
Abstract
BACKGROUND Transthyretin (TTR) is considered to be associated with insulin resistance in humans. This study aimed to investigate TTR level in gestational diabetes mellitus (GDM) and its association with glucose metabolism. METHODS Fifty pregnant women with GDM and 47 pregnant women with normal glucose tolerance matched for body mass index and age were enrolled in this study. Their blood samples were collected to detect TTR, retinol-binding protein 4 (RBP4), and their association with glucose and lipid metabolism. RESULTS Serum TTR levels in the GDM group were significantly higher than those in the control group (median, 93.44 [interquartile range, 73.81, 117.79] μg/ml vs. 80.83 [74.19, 89.38] μg/ml; P = 0.006). GDM subjects had a lower RBP4/TTR ratio than the control subjects (median, 517.57 [interquartile range, 348.38, 685.27] vs. 602.56 [460.28, 730.62]; P = 0.02). The serum TTR concentrations were positively associated with neonatal weight (r = 0.223, P = 0.028), homeostatic model assessment of insulin resistance (r = 0.246, P = 0.015), and fasting blood glucose (FBG) (r = 0.363, P < 0.001). In stepwise multivariate linear regression analysis, FBG (standardized beta = 0.27, P = 0.004) and neonatal weight (standardized beta = 0.345, P < 0.001) were independent predictors of serum TTR concentrations. Additionally, FBG (standardized beta = - 0.306, P = 0.002) and triglyceride (TG) (beta = 0.219, P = 0.025) were independently associated with RBP4/TTR ratio. CONCLUSIONS Serum TTR concentrations were significantly higher in women with GDM than that in women without GDM, suggesting that elevated TTR level may play a role in the pathogenesis of GDM. Meanwhile, TTR was positively and independently associated with FBG and neonatal weight, while FBG and TG were independent predictors of RBP4/TTR ratio. Moreover, serum TTR levels and RBP4/TTR ratio were considered valuable markers of insulin resistance and GDM.
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Affiliation(s)
- Mengting Liu
- Obstetrical Department, Women's Hospital, School of Medicine, Zhejiang University, Hangzhou, 310006, Zhejiang Province, China
| | - Yanmin Chen
- Obstetrical Department, Women's Hospital, School of Medicine, Zhejiang University, Hangzhou, 310006, Zhejiang Province, China
| | - Danqing Chen
- Obstetrical Department, Women's Hospital, School of Medicine, Zhejiang University, Hangzhou, 310006, Zhejiang Province, China.
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Jin C, Lin L, Han N, Zhao Z, Liu Z, Luo S, Xu X, Liu J, Wang H. Plasma retinol-binding protein 4 in the first and second trimester and risk of gestational diabetes mellitus in Chinese women: a nested case-control study. Nutr Metab (Lond) 2020; 17:1. [PMID: 31921323 PMCID: PMC6945716 DOI: 10.1186/s12986-019-0425-9] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2019] [Accepted: 12/30/2019] [Indexed: 11/17/2022] Open
Abstract
Background To assess the association between plasma retinol-binding protein 4 (RBP4) levels both in the first trimester and second trimester and risk of gestational diabetes mellitus (GDM). Methods Plasma RBP4 levels and insulin were measured among 135 GDM cases and 135 controls nested within the Peking University Birth Cohort in Tongzhou. Multivariable linear regression analysis was conducted to assess the influence of RBP4 levels on insulin resistance. Conditional logistic regression models were used to compute the odds ratio (OR) and 95% confidence interval (CI) between RBP4 levels and risk of GDM. Results The GDM cases had significantly higher levels of RBP4 in the first trimester than controls (medians: 18.0 μg/L vs 14.4 μg/L; P < 0.05). Plasma RBP4 concentrations in the first and second trimester were associated with fasting insulin, homeostasis model assessment for insulin resistance (HOMA-IR), and the quantitative insulin sensitivity check index (QUICKI) in the second trimester (all P < 0.001). With adjustment for diet, physical activity, and other risk factors for GDM, the risk of GDM increased with every 1-log μg/L increment of RBP4 levels, and the OR (95% CI) was 3.12 (1.08–9.04) for RBP4 in the first trimester and 3.38 (1.03–11.08) for RBP4 in the second trimester. Conclusions Plasma RBP4 levels both in the first trimester and second trimester were dose-dependently associated with increased risk of GDM.
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Affiliation(s)
- Chuyao Jin
- 1Department of Maternal and Child Health, School of Public Health, Peking University, No. 38 Xueyuan Rd, Haidian District, Beijing, 100191 People's Republic of China
| | - Lizi Lin
- 1Department of Maternal and Child Health, School of Public Health, Peking University, No. 38 Xueyuan Rd, Haidian District, Beijing, 100191 People's Republic of China
| | - Na Han
- Maternal and Child Health Hospital of Tongzhou District, Beijing, 101101 China
| | - Zhiling Zhao
- Maternal and Child Health Hospital of Tongzhou District, Beijing, 101101 China
| | - Zheng Liu
- 1Department of Maternal and Child Health, School of Public Health, Peking University, No. 38 Xueyuan Rd, Haidian District, Beijing, 100191 People's Republic of China
| | - Shusheng Luo
- 1Department of Maternal and Child Health, School of Public Health, Peking University, No. 38 Xueyuan Rd, Haidian District, Beijing, 100191 People's Republic of China
| | - Xiangrong Xu
- 1Department of Maternal and Child Health, School of Public Health, Peking University, No. 38 Xueyuan Rd, Haidian District, Beijing, 100191 People's Republic of China
| | - Jue Liu
- 3Department of Epidemiology and Biostatistics, School of Public Health, Peking University, No. 38 Xueyuan Rd, Haidian District, Beijing, 100191 People's Republic of China
| | - Haijun Wang
- 1Department of Maternal and Child Health, School of Public Health, Peking University, No. 38 Xueyuan Rd, Haidian District, Beijing, 100191 People's Republic of China
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16
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Bastos Maia S, Rolland Souza AS, Costa Caminha MDF, Lins da Silva S, Callou Cruz RDSBL, Carvalho Dos Santos C, Batista Filho M. Vitamin A and Pregnancy: A Narrative Review. Nutrients 2019; 11:nu11030681. [PMID: 30909386 PMCID: PMC6470929 DOI: 10.3390/nu11030681] [Citation(s) in RCA: 92] [Impact Index Per Article: 18.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2019] [Revised: 03/15/2019] [Accepted: 03/19/2019] [Indexed: 12/13/2022] Open
Abstract
Vitamin A is a crucial micronutrient for pregnant women and their fetuses. In addition to being essential for morphological and functional development and for ocular integrity, vitamin A exerts systemic effects on several fetal organs and on the fetal skeleton. Vitamin A requirements during pregnancy are therefore greater. Vitamin A deficiency (VAD) remains the leading cause of preventable blindness in the world. VAD in pregnant women is a public health issue in most developing countries. In contrast, in some developed countries, excessive vitamin A intake during pregnancy can be a concern since, when in excess, this micronutrient may exert teratogenic effects in the first 60 days following conception. Routine prenatal vitamin A supplementation for the prevention of maternal and infant morbidity and mortality is not recommended; however, in regions where VAD is a public health issue, vitamin A supplementation is recommended to prevent night blindness. Given the importance of this topic and the lack of a complete, up-to-date review on vitamin A and pregnancy, an extensive review of the literature was conducted to identify conflicting or incomplete data on the topic as well as any gaps in existing data.
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Affiliation(s)
- Sabina Bastos Maia
- Maternal and Child Healthcare Postgraduate Program, Instituto de Medicina Integral Prof. Fernando Figueira (IMIP), Recife 50070-550, Pernambuco, Brazil.
- Department of Obstetrics and Gynecology, Lauro Wanderley University Hospital, Federal University of Paraíba (UFPB), João Pessoa 58059-900, Paraíba, Brazil.
| | - Alex Sandro Rolland Souza
- Maternal and Child Healthcare Postgraduate Program, Instituto de Medicina Integral Prof. Fernando Figueira (IMIP), Recife 50070-550, Pernambuco, Brazil.
- Department of Maternal and Child Healthcare, Federal University of Pernambuco (UFPE), Recife 50670-901, Pernambuco, Brazil.
- Biological and Health Sciences Center, Catholic University of Pernambuco (UNICAP), Recife 50050-900, Pernambuco, Brazil.
| | - Maria de Fátima Costa Caminha
- Maternal and Child Healthcare Postgraduate Program, Instituto de Medicina Integral Prof. Fernando Figueira (IMIP), Recife 50070-550, Pernambuco, Brazil.
- Coordination of the Nursing Mentoring Program, Faculdade Pernambucana de Saúde (FPS), Recife 51180-001, Pernambuco, Brazil.
| | - Suzana Lins da Silva
- Maternal and Child Healthcare Postgraduate Program, Instituto de Medicina Integral Prof. Fernando Figueira (IMIP), Recife 50070-550, Pernambuco, Brazil.
- Coordination of the Nursing Mentoring Program, Faculdade Pernambucana de Saúde (FPS), Recife 51180-001, Pernambuco, Brazil.
| | | | | | - Malaquias Batista Filho
- Maternal and Child Healthcare Postgraduate Program, Instituto de Medicina Integral Prof. Fernando Figueira (IMIP), Recife 50070-550, Pernambuco, Brazil.
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The Role of Inflammation in the Development of GDM and the Use of Markers of Inflammation in GDM Screening. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2019; 1134:217-242. [PMID: 30919340 DOI: 10.1007/978-3-030-12668-1_12] [Citation(s) in RCA: 44] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Gestational diabetes mellitus is a hyperglycaemic state first recognised in pregnancy. GDM affects both mother and child. Women with GDM and their new-borns are at risk of developing type 2 diabetes in the future. The screening and diagnostic criteria for GDM are inconsistent and thus novel biomarkers of GDM are required to strengthen the screening and diagnostic processes in GDM. Chronic low-grade inflammation is linked to the majority of the well-established risk factors of GDM such as old age, obesity and PCOS. This review provides an overview of the present knowledge on the pathology of GDM, the screening criteria applied, the role of inflammation in the development of GDM and the use of markers of inflammation namely cytokines, oxidative stress markers, lipids, amino acids and iron markers in screening and diagnosis of GDM.
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18
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Wang P, Ma HH, Hou XZ, Song LL, Song XL, Zhang JF. Reduced plasma level of irisin in first trimester as a risk factor for the development of gestational diabetes mellitus. Diabetes Res Clin Pract 2018; 142:130-138. [PMID: 29852234 DOI: 10.1016/j.diabres.2018.05.038] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/16/2018] [Revised: 05/11/2018] [Accepted: 05/22/2018] [Indexed: 01/20/2023]
Abstract
BACKGROUND The aim of this prospective cohort study was to investigate the association of first trimester irisin concentrations and the subsequent development of gestational diabetes mellitus (GDM). METHODS This cohort study was conducted at three maternity centers in China from July 2015 to June 2016. Data for fasting plasma glucose (FPG) and irisin concentrations in the first trimester and one-step GDM screening with 75-g oral glucose tolerance test (OGTT) performed between 24 and 28 weeks of gestation were collected and analyzed. RESULTS Plasma from women was available for 1150 women, of whom 135 (11.7%) developed GDM. The median value of irisin in those included women was 141.2 (IQR, 99.4-192.9) ng/ml. In multivariate models comparing the first (Q1), second (Q2) and third (Q3) quartiles against the fourth (Q4) quartile of irisin, levels of irisin in Q1 and Q2 were associated with GDM, and increased risk of GDM by 440% (odds ratios [OR] = 5.40; 95% confidence intervals [CI]: 2.35-11.40) and 283% (OR: 3.83; 95%CI: 1.63-8.01). A model containing known risk factors plus irisin compared with a model containing known risk factors without irisin showed a greater discriminatory ability to predict GDM, the area under the curve (AUC) increased from 0.776 to 0.809. A significant difference in the AUC between the clinical variables alone and the addition of irisin level was observed (difference, 0.034; P = 0.03). CONCLUSIONS Reduced plasma levels of irisin in first trimester was associated with the increased risk of GDM and might be useful in identifying women at risk for GDM for early prevention strategies.
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Affiliation(s)
- Pei Wang
- Obstetrical Department 1, Cangzhou Central Hospital, Cangzhou, Hebei 061000, China
| | - He-Hong Ma
- Obstetrical Department 1, Cangzhou Central Hospital, Cangzhou, Hebei 061000, China
| | - Xiu-Zhen Hou
- Obstetrical Department 1, Cangzhou Central Hospital, Cangzhou, Hebei 061000, China
| | - Li-Li Song
- Obstetrical Department 1, Cangzhou Central Hospital, Cangzhou, Hebei 061000, China
| | - Xiao-Long Song
- Obstetrical Department 1, Cangzhou Central Hospital, Cangzhou, Hebei 061000, China
| | - Jun-Feng Zhang
- Obstetrical Department 1, Cangzhou Central Hospital, Cangzhou, Hebei 061000, China.
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Zekavat SM, Butkovich S, Young GJ, Nathan DM, Petrasek D. A computational model of 1,5-AG dynamics during pregnancy. Physiol Rep 2017; 5:5/16/e13375. [PMID: 28821595 PMCID: PMC5582262 DOI: 10.14814/phy2.13375] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2017] [Revised: 07/01/2017] [Accepted: 07/03/2017] [Indexed: 11/24/2022] Open
Abstract
The importance of 1,5‐anhydroglucitol (1,5‐AG) as an intermediate biomarker for diabetic pregnancy is multi‐fold: (1) it serves as a reliable indicator of moderate‐level glycemic control, especially during early gestation; (2) it has been associated with increased risk of diabetes, independent of HbA1c and fasting glucose; and (3) it is an independent risk factor for the development of eclampsia during pregnancy. However, the clinical use of this biomarker during pregnancy has been underutilized due to physiological changes in glomerular filtration rate, plasma volume, and other hemodynamic parameters which have been hypothesized to bias gestational serum 1,5‐AG concentrations. Here, we develop an in‐silico model of gestational 1,5‐AG by combining pre‐existing physiological data in the literature with a two‐compartment mathematical model, building off of a previous kinetic model described by Stickle and Turk (1997) Am. J. Physiol., 273, E821. Our model quantitatively characterizes how renal and hemodynamic factors impact measured 1,5‐AG during normal pregnancy and during pregnancy with gestational diabetes and diabetes mellitus. During both normal and diabetic pregnancy, we find that a simple two‐compartment model of 1,5‐AG kinetics, with all parameters but reabsorption fraction adjusted for time in pregnancy, efficiently models 1,5‐AG kinetics throughout the first two trimesters. Allowing reabsorption fraction to decrease after 25 weeks permits parameters closer to expected physiological values during the last trimester. Our quantitative model of 1,5‐AG confirms the involvement of hypothesized renal and hemodynamic mechanisms during pregnancy, clarifying the expected trends in 1,5‐AG to aid clinical interpretation. Further research and data may elucidate biological changes during the third trimester that account for the drop in 1,5‐AG concentrations, and clarify physiological differences between diabetes subtypes during pregnancy.
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Affiliation(s)
- Seyedeh M Zekavat
- Broad Institute of MIT and Harvard, Cambridge, Massachusetts .,Massachusetts Institute of Technology, Cambridge, Massachusetts
| | | | | | - David M Nathan
- Harvard Medical School, Boston, Massachusetts.,Massachussetts General Hospital, Boston, Massachusetts
| | - Danny Petrasek
- California Institute of Technology, Pasadena, California
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20
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Chen Y, Lv P, Du M, Liang Z, Zhou M, Chen D. Increased retinol-free RBP4 contributes to insulin resistance in gestational diabetes mellitus. Arch Gynecol Obstet 2017; 296:53-61. [PMID: 28528355 DOI: 10.1007/s00404-017-4378-9] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2017] [Accepted: 04/12/2017] [Indexed: 01/09/2023]
Abstract
PURPOSE Retinol-binding protein 4 (RBP4) is a circulating retinol transporter that is strongly associated with insulin resistance. The aim of this study was to evaluate the RBP4 and retinol level in rat model of gestational diabetes mellitus and the relationship between retinol-free RBP4 (apo-RBP4), retinol-bound RBP4 (holo-RBP4) and insulin resistance. METHODS Pregnant rats were administered streptozotocin to induce diabetes. The RBP4 and retinol levels were evaluated in GDM and normal pregnant rats. After then, normal pregnant rats were divided into two groups to receive either apo-RBP4 or vehicle injection. The metabolic parameters and insulin signaling in adipose tissue, skeletal muscle and liver were determined in apo-RBP4 and control groups. Primary human adipocytes were cultured in vitro with different proportions of apo-RBP4 and holo-RBP4 for 24 h. The interaction between RBP4 and STRA6 was assessed by co-immunoprecipitation, and the expression of JAK-STAT pathway and insulin signaling were detected by Western blotting and immunofluorescence. RESULTS We found increases in serum RBP4 levels and the RBP4:retinol ratio but not in the retinol levels in GDM rats. Exogenous apo-RBP4 injection attenuated insulin sensitivity in pregnant rats. In vitro, a prolonged interaction between RBP4 and STRA6 was observed when apo-RBP4 was present. In response to increased apo-RBP4 levels, cells showed elevated activation of the JAK2/STAT5 cascade and SOCS3 expression, decreased phosphorylation of IR and IRS1, and attenuated GLUT4 translocation and glucose uptake upon insulin stimulation. CONCLUSION Apo-RBP4 is a ligand that activates the STRA6 signaling cascade, inducing insulin resistance in GDM.
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Affiliation(s)
- Yanmin Chen
- Obstetrical Department, Women's Hospital, School of Medicine, Zhejiang University, Hangzhou, 310006, Zhejiang, China
| | - Ping Lv
- Department of Obstetrics and Gynecology, Shengzhou People's Hospital, Hangzhou, 312400, Zhejiang, China
| | - Mengkai Du
- Obstetrical Department, Women's Hospital, School of Medicine, Zhejiang University, Hangzhou, 310006, Zhejiang, China
| | - Zhaoxia Liang
- Obstetrical Department, Women's Hospital, School of Medicine, Zhejiang University, Hangzhou, 310006, Zhejiang, China
| | - Menglin Zhou
- Obstetrical Department, Women's Hospital, School of Medicine, Zhejiang University, Hangzhou, 310006, Zhejiang, China
| | - Danqing Chen
- Obstetrical Department, Women's Hospital, School of Medicine, Zhejiang University, Hangzhou, 310006, Zhejiang, China.
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Sámano R, Martínez-Rojano H, Hernández RM, Ramírez C, Flores Quijano ME, Espíndola-Polis JM, Veruete D. Retinol and α-Tocopherol in the Breast Milk of Women after a High-Risk Pregnancy. Nutrients 2017; 9:E14. [PMID: 28045436 PMCID: PMC5295058 DOI: 10.3390/nu9010014] [Citation(s) in RCA: 9] [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: 09/18/2016] [Revised: 11/20/2016] [Accepted: 12/21/2016] [Indexed: 11/19/2022] Open
Abstract
BACKGROUND There is scant information about whether, after a high-risk pregnancy, breast milk provides enough vitamins for assuring satisfactory bodily reserves in newborns. OBJECTIVE To comparatively evaluate, in women with high-risk and normal pregnancy, the concentration of retinol and α-tocopherol in breast milk. METHODS This cross-sectional, analytical study was evaluated with reverse-phase high-performance liquid chromatography (HPLC). Informed consent was signed by 95 mothers with a high-risk pregnancy and 32 mothers with a normal pregnancy. From the mothers with a high-risk pregnancy were obtained: 23 samples of colostrum, 24 of transitional milk, and 48 of mature milk. From the normal pregnancy group, 32 mature milk samples were collected. Pregestational Body Mass Index (BMI) and the gestational weight gain were noted. Models of logistic regression were constructed to identify the variables related to a low concentration of either retinol or α-tocopherol in breast milk. RESULTS The concentration of retinol and α-tocopherol in mature milk was 60 (interquartile range (IQR), 41-90) and 276 (103-450) μg/dL, respectively, for the high-risk pregnancy group, and 76 (65-91) and 673 (454-866) µg/dL, respectively, for the normal pregnancy group (p = 0.001). The concentration of retinol and α-tocopherol was similar in the subgroups of mothers with different disorders during gestation. A clear correlation was found between a greater pregestational weight and a lower concentration of retinol (Rho = -0.280, p = 0.006), and between α-tocopherol and retinol in all cases (Rho = 0.463, p = 0.001). Among women having a high-risk pregnancy, those delivering prematurely rather than carrying their pregnancy to term had a reduced concentration of retinol (54 (37-78) vs. 70 (49-106) µg/dL; p = 0.002) and a tendency to a lower concentration of α-tocopherol in breast milk (185 (75-410) vs. 339 (160-500) µg/dL; p = 0.053). Compared to mothers with a normal pregnancy, those with a high-risk pregnancy (whether carried to term or ending in preterm delivery) exhibited a reduced concentration of retinol in mature milk (p = 0.003), as well as a tendency to a lower concentration of α-tocopherol (p = 0.054). CONCLUSION Even though the women in the high-risk pregnancy group showed a deficiency of vitamins A and E in their breast milk, the unique biological benefits of this milk justify the promotion of breast feeding as the optimal method of nourishing neonates and infants. In these cases, it should be recommended that the woman increase her consumption of certain nutrients during pregnancy. Additionally, after childbirth mothers should consider the use of supplements to produce milk of adequate quality and thus meet the needs of the baby and prevent any deficiency in micronutrients.
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Affiliation(s)
- Reyna Sámano
- Departamento de Nutrición y Bioprogramación, Instituto Nacional de Perinatología, Secretaría de Salud Montes Urales 800, Miguel Hidalgo, Lomas Virreyes, Ciudad de México CP. 11000, Mexico.
| | - Hugo Martínez-Rojano
- Departamento de Posgrado e Investigación, Escuela Superior de Medicina del Instituto Politécnico Nacional, Plan de San Luis y Díaz Mirón s/n, Colonia Casco de Santo Tomas, Delegación Miguel Hidalgo, Ciudad de México CP. 11340, Mexico.
- Coordinación de Medicina Laboral, Instituto de Diagnóstico y Referencia Epidemiológicos (InDRE) "Dr. Manuel Martínez Báez", Secretaría de Salud Francisco de P. Miranda 177, Lomas de Plateros, Ciudad de México CP. 01480, Mexico.
| | - Rosa M Hernández
- Departamento de Nutrición y Bioprogramación, Instituto Nacional de Perinatología, Secretaría de Salud Montes Urales 800, Miguel Hidalgo, Lomas Virreyes, Ciudad de México CP. 11000, Mexico.
| | - Cristina Ramírez
- Departamento de Nutrición y Bioprogramación, Instituto Nacional de Perinatología, Secretaría de Salud Montes Urales 800, Miguel Hidalgo, Lomas Virreyes, Ciudad de México CP. 11000, Mexico.
| | - María E Flores Quijano
- Departamento de Nutrición y Bioprogramación, Instituto Nacional de Perinatología, Secretaría de Salud Montes Urales 800, Miguel Hidalgo, Lomas Virreyes, Ciudad de México CP. 11000, Mexico.
| | - José M Espíndola-Polis
- Departamento de Nutrición Humana, Universidad del Altiplano, Mirasol 1, Tlacomulco, Tlaxcala de Xicohténcatl CP. 90102, Mexico.
| | - Daniela Veruete
- Universidad del Valle de México, campus Chapultepec Av. Constituyentes No. 151, Miguel Hidalgo, San Miguel Chapultepec I Secc, Ciudad de México CP. 11850, Mexico.
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Mazaki-Tovi S, Tarca AL, Vaisbuch E, Kusanovic JP, Than NG, Chaiworapongsa T, Dong Z, Hassan SS, Romero R. Characterization of visceral and subcutaneous adipose tissue transcriptome in pregnant women with and without spontaneous labor at term: implication of alternative splicing in the metabolic adaptations of adipose tissue to parturition. J Perinat Med 2016; 44:813-835. [PMID: 26994472 PMCID: PMC5987212 DOI: 10.1515/jpm-2015-0259] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/27/2015] [Accepted: 10/26/2015] [Indexed: 12/14/2022]
Abstract
OBJECTIVE The aim of this study was to determine gene expression and splicing changes associated with parturition and regions (visceral vs. subcutaneous) of the adipose tissue of pregnant women. STUDY DESIGN The transcriptome of visceral and abdominal subcutaneous adipose tissue from pregnant women at term with (n=15) and without (n=25) spontaneous labor was profiled with the Affymetrix GeneChip Human Exon 1.0 ST array. Overall gene expression changes and the differential exon usage rate were compared between patient groups (unpaired analyses) and adipose tissue regions (paired analyses). Selected genes were tested by quantitative reverse transcription-polymerase chain reaction. RESULTS Four hundred and eighty-two genes were differentially expressed between visceral and subcutaneous fat of pregnant women with spontaneous labor at term (q-value <0.1; fold change >1.5). Biological processes enriched in this comparison included tissue and vasculature development as well as inflammatory and metabolic pathways. Differential splicing was found for 42 genes [q-value <0.1; differences in Finding Isoforms using Robust Multichip Analysis scores >2] between adipose tissue regions of women not in labor. Differential exon usage associated with parturition was found for three genes (LIMS1, HSPA5, and GSTK1) in subcutaneous tissues. CONCLUSION We show for the first time evidence of implication of mRNA splicing and processing machinery in the subcutaneous adipose tissue of women in labor compared to those without labor.
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Affiliation(s)
- Shali Mazaki-Tovi
- Department of Obstetrics and Gynecology, Sheba Medical Center, Tel Hashomer, Israel
- Tel Aviv University, Tel Aviv, Israel
| | - Adi L. Tarca
- Perinatology Research Branch, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Department of Health and Human Services, Bethesda, Maryland, and Detroit, Michigan, United States of America
- Department of Computer Science, Wayne State University, Detroit, Michigan, United States of America
- Center for Molecular Medicine and Genetics, Wayne State University School of Medicine, Detroit, Michigan, United States of America
| | - Edi Vaisbuch
- Department of Obstetrics and Gynecology, Kaplan Medical Center, Rehovot, Israel
| | - Juan Pedro Kusanovic
- Perinatology Research Branch, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Department of Health and Human Services, Bethesda, Maryland, and Detroit, Michigan, United States of America
- Department of Obstetrics and Gynecology, School of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile
- Center for Research and Innovation in Maternal-Fetal Medicine (CIMAF). Department of Obstetrics and Gynecology, Sótero del Río Hospital, Santiago, Chile
| | - Nandor Gabor Than
- Perinatology Research Branch, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Department of Health and Human Services, Bethesda, Maryland, and Detroit, Michigan, United States of America
- Institute of Enzymology, Research Centre for Natural Sciences, Hungarian Academy of Sciences, Budapest, Hungary
- First Department of Pathology and Experimental Cancer Research, Semmelweis University, Budapest, Hungary
| | - Tinnakorn Chaiworapongsa
- Perinatology Research Branch, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Department of Health and Human Services, Bethesda, Maryland, and Detroit, Michigan, United States of America
- Department of Obstetrics and Gynecology, Wayne State University School of Medicine, Detroit, Michigan, United States of America
| | - Zhong Dong
- Perinatology Research Branch, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Department of Health and Human Services, Bethesda, Maryland, and Detroit, Michigan, United States of America
| | - Sonia S Hassan
- Perinatology Research Branch, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Department of Health and Human Services, Bethesda, Maryland, and Detroit, Michigan, United States of America
- Department of Obstetrics and Gynecology, Wayne State University School of Medicine, Detroit, Michigan, United States of America
| | - Roberto Romero
- Perinatology Research Branch, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Department of Health and Human Services, Bethesda, Maryland, and Detroit, Michigan, United States of America
- Department of Obstetrics and Gynecology, Wayne State University School of Medicine, Detroit, Michigan, United States of America
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Serum level and polymorphisms of retinol-binding protein-4 and risk for gestational diabetes mellitus: a meta-analysis. BMC Pregnancy Childbirth 2016; 16:52. [PMID: 26975349 PMCID: PMC4791876 DOI: 10.1186/s12884-016-0838-7] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2015] [Accepted: 03/03/2016] [Indexed: 01/15/2023] Open
Abstract
BACKGROUND Retinol-binding protein-4 (RBP4) has been reported to be potentially involved in the pathogenesis of gestational diabetes mellitus (GDM); however, the findings are inconsistent. Our aims were to review the studies that investigated the association of serum levels and polymorphisms of RBP4 with GDM risk, and to provide recommendations for future research. METHODS The databases PubMed, EBSCO, ScienceDirect, and Web of Knowledge were searched up to October 2015 to find out studies evaluating the relationship between serum RBP4 level/ RBP4 polymorphisms and GDM risk. In the meta-analysis of serum RBP4 levels the key inclusion was that studies were designed as BMI-matched studies or had observed non-significant differences in BMI between cases and controls. RESULTS Fourteen case-control studies (647 cases and 620 controls) reporting the association between serum RBP4 level and GDM risk, and three studies (1012 cases and 1605 controls) investigating the association between RBP4 polymorphisms and GDM risk were involved. Our results showed that high serum RBP4 levels represent a risk factor for GDM (pooled standardized mean difference =0.758, 95% confidence interval [0.387, 1.128]). The results of subgroup analyses based on "gestational age at blood sampling" or "diagnostic criteria" are consistent with the overall results. However, the postpartum subgroup and "before 24 weeks" subgroup both only include one article and indicate no association between serum RBP4 level and GDM risk. The meta-analysis on the association between rs3758539 polymorphism and GDM risk shows that RBP4 rs3758539 polymorphism is not associated with the development of GDM. CONCLUSIONS The results of this meta-analysis support the hypothesis that RBP4 is a modest independent risk factor for GDM (i.e., nonobese patients with GDM might express RBP4 at abnormal levels). The serum RBP4 level is associated with the risk of GDM. However, the association in the first-trimester and postpartum period should be validated by further research. The association between RBP4 rs3758539 polymorphism and GDM risk was not confirmed.
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Mazaki-Tovi S, Vaisbuch E, Tarca AL, Kusanovic JP, Than NG, Chaiworapongsa T, Dong Z, Hassan SS, Romero R. Characterization of Visceral and Subcutaneous Adipose Tissue Transcriptome and Biological Pathways in Pregnant and Non-Pregnant Women: Evidence for Pregnancy-Related Regional-Specific Differences in Adipose Tissue. PLoS One 2015; 10:e0143779. [PMID: 26636677 PMCID: PMC4670118 DOI: 10.1371/journal.pone.0143779] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2015] [Accepted: 11/08/2015] [Indexed: 12/13/2022] Open
Abstract
Objective The purpose of this study was to compare the transcriptome of visceral and subcutaneous adipose tissues between pregnant and non-pregnant women. Study Design The transcriptome of paired visceral and abdominal subcutaneous adipose tissues from pregnant women at term and matched non-pregnant women (n = 11) was profiled with the Affymetrix Human Exon 1.0 ST array. Differential expression of selected genes was validated with the use of quantitative reverse transcription–polymerase chain reaction. Results Six hundred forty-four transcripts from 633 known genes were differentially expressed (false discovery rate (FDR) <0.1; fold-change >1.5), while 42 exons from 36 genes showed differential usage (difference in FIRMA scores >2 and FDR<0.1) between the visceral and subcutaneous fat of pregnant women. Fifty-six known genes were differentially expressed between pregnant and non-pregnant subcutaneous fat and three genes in the visceral fat. Enriched biological processes in the subcutaneous adipose tissue of pregnant women were mostly related to inflammation. Conclusion The transcriptome of visceral and subcutaneous fat depots reveals pregnancy-related gene expression and splicing differences in both visceral and subcutaneous adipose tissue. Furthermore, for the first time, alternative splicing in adipose tissue has been associated with regional differences and human parturition.
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Affiliation(s)
- Shali Mazaki-Tovi
- Department of Obstetrics and Gynecology, Sheba Medical Center, Tel Hashomer, Israel
- Tel Aviv University, Tel Aviv, Israel
- * E-mail: (SMT); (RR)
| | - Edi Vaisbuch
- Department of Obstetrics and Gynecology, Kaplan Medical Center, Rehovot, Israel
| | - Adi L. Tarca
- Perinatology Research Branch, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Department of Health and Human Services, Bethesda, Maryland, and Detroit, Michigan, United States of America
- Department of Computer Science, Wayne State University, Detroit, Michigan, United States of America
- Center for Molecular Medicine and Genetics, Wayne State University School of Medicine, Detroit, Michigan, United States of America
| | - Juan Pedro Kusanovic
- Perinatology Research Branch, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Department of Health and Human Services, Bethesda, Maryland, and Detroit, Michigan, United States of America
- Department of Obstetrics and Gynecology, School of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile
- Center for Research and Innovation in Maternal-Fetal Medicine (CIMAF), Department of Obstetrics and Gynecology, Sótero del Río Hospital, Santiago, Chile
| | - Nandor Gabor Than
- Perinatology Research Branch, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Department of Health and Human Services, Bethesda, Maryland, and Detroit, Michigan, United States of America
- Institute of Enzymology, Research Centre for Natural Sciences, Hungarian Academy of Sciences, Budapest, Hungary
- First Department of Pathology and Experimental Cancer Research, Semmelweis University, Budapest, Hungary
| | - Tinnakorn Chaiworapongsa
- Perinatology Research Branch, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Department of Health and Human Services, Bethesda, Maryland, and Detroit, Michigan, United States of America
- Department of Obstetrics and Gynecology, Wayne State University School of Medicine, Detroit, Michigan, United States of America
| | - Zhong Dong
- Perinatology Research Branch, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Department of Health and Human Services, Bethesda, Maryland, and Detroit, Michigan, United States of America
| | - Sonia S. Hassan
- Perinatology Research Branch, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Department of Health and Human Services, Bethesda, Maryland, and Detroit, Michigan, United States of America
- Department of Obstetrics and Gynecology, Wayne State University School of Medicine, Detroit, Michigan, United States of America
| | - Roberto Romero
- Perinatology Research Branch, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Department of Health and Human Services, Bethesda, Maryland, and Detroit, Michigan, United States of America
- Department of Obstetrics and Gynecology, Wayne State University School of Medicine, Detroit, Michigan, United States of America
- * E-mail: (SMT); (RR)
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Pandey GK, Balasubramanyam J, Balakumar M, Deepa M, Anjana RM, Abhijit S, Kaviya A, Velmurugan K, Miranda P, Balasubramanyam M, Mohan V, Gokulakrishnan K. ALTERED CIRCULATING LEVELS OF RETINOL BINDING PROTEIN 4 AND TRANSTHYRETIN IN RELATION TO INSULIN RESISTANCE, OBESITY, AND GLUCOSE INTOLERANCE IN ASIAN INDIANS. Endocr Pract 2015; 21:861-9. [PMID: 26121433 DOI: 10.4158/ep14558.or] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
OBJECTIVE Retinol binding protein 4 (RBP4) has been implicated in metabolic disorders including type 2 diabetes mellitus (T2DM), but few studies have looked at transthyretin (TTR) with which RBP4 is normally bound to in the circulation. We report on the systemic levels of RBP4 and TTR and their associations with insulin resistance, obesity, prediabetes, and T2DM in Asian Indians. METHODS Age-matched individuals with normal glucose tolerance (NGT, n = 90), impaired glucose tolerance (IGT, n = 70) and T2DM (n = 90) were recruited from the Chennai Urban Rural Epidemiology Study (CURES). Insulin resistance was estimated using the homeostasis model assessment of insulin resistance (HOMA-IR). RBP4 and TTR levels were measured by enzyme-linked immunosorbent assay (ELISA). RESULTS Circulatory RBP4 and TTR levels (in μg/mL) were highest in T2DM (RBP4: 13 ± 3.9, TTR: 832 ± 310) followed by IGT (RBP4: 10.5 ± 3.2; TTR: 720 ± 214) compared to NGT (RBP4: 8.7 ± 2.5; TTR: 551 ± 185; P<.001). Compared to nonobese NGT individuals, obese NGT, nonobese T2DM, and obese T2DM had higher RBP4 (8.1 vs. 10.6, 12.1, and 13.2 μg/mL, P<.01) and TTR levels (478 vs. 737, 777, and 900 μg/mL, P<.01). RBP4 but not TTR was significantly (P<.001) correlated with insulin resistance even among NGT subjects. In regression analysis, RBP4 and TTR showed significant associations with T2DM after adjusting for confounders (RBP4 odds ratio [OR]: 1.107, 95% confidence interval [CI]: 1.008-1.216; TTR OR: 1.342, 95% CI: 1.165-1.547). CONCLUSION Circulatory levels of RBP4 and TTR showed a significant associations with glucose intolerance, obesity, T2DM and RBP4 additionally, with insulin resistance.
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Inflammatory and Other Biomarkers: Role in Pathophysiology and Prediction of Gestational Diabetes Mellitus. Int J Mol Sci 2015; 16:13442-73. [PMID: 26110385 PMCID: PMC4490503 DOI: 10.3390/ijms160613442] [Citation(s) in RCA: 135] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2015] [Accepted: 06/04/2015] [Indexed: 12/24/2022] Open
Abstract
Understanding pathophysiology and identifying mothers at risk of major pregnancy complications is vital to effective prevention and optimal management. However, in current antenatal care, understanding of pathophysiology of complications is limited. In gestational diabetes mellitus (GDM), risk prediction is mostly based on maternal history and clinical risk factors and may not optimally identify high risk pregnancies. Hence, universal screening is widely recommended. Here, we will explore the literature on GDM and biomarkers including inflammatory markers, adipokines, endothelial function and lipids to advance understanding of pathophysiology and explore risk prediction, with a goal to guide prevention and treatment of GDM.
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Du M, Wang B, Liang Z, Dong M, Chen D. The Relationship between Retinol-Binding Protein 4 Concentrations and Gestational Diabetes Mellitus in Chinese Women. Gynecol Obstet Invest 2015; 81:000398794. [PMID: 25998178 DOI: 10.1159/000398794] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2014] [Accepted: 04/06/2015] [Indexed: 02/28/2024]
Abstract
BACKGROUND This study aimed to investigate the relationship between retinol-binding protein 4 (RBP4) and gestational diabetes mellitus (GDM). METHODS Seventy-six women with and without GDM were recruited. Their blood samples were collected to detect RBP4, fasting plasma glucose (FPG), fasting insulin (Fins), triglyceride (TG), total cholesterol (TC), low-density lipoprotein, high-density lipoprotein (HDL) and glycosylated hemoglobin (HbA1c) levels. RESULTS RBP4 (21.42 ± 3.846 vs. 39.08 ± 8.293 μg/ml), FPG, Fins, homeostasis model assessment of insulin resistance (HOMA-IR), HbA1c, and TG levels were higher, while HDL levels were lower in women with GDM (p < 0.01). In healthy controls, RBP4 concentrations were positively correlated with HOMA-IR and TG and inversely correlated with FPG and HDL (p < 0.05). Serum concentrations of RBP4 in women with GDM were inversely correlated with TC and positively correlated with maternal weight gain during pregnancy (p < 0.05). The ROC curve was drawn with a correct rate of 93.4%. CONCLUSIONS Concentrations of serum RBP4 were significantly higher in women with GDM, suggesting that elevated RPB4 level may play a role in the pathogenesis of GDM. Meanwhile, RBP4 might be a good predictor of GDM. RBP4 is correlated with TG and HDL, indicating that RBP4 plays a role in alterations of lipid metabolism in pregnant women. © 2015 S. Karger AG, Basel.
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Affiliation(s)
- Mengkai Du
- Women's Hospital, School of Medicine, and Key Laboratory of Reproductive Genetics, Ministry of Education, Zhejiang University, and Key Laboratory of Reproductive Health of Zhejiang Province, Hangzhou, China
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Huang QT, Huang Q, Luo W, Li F, Hang LL, Yu YH, Zhong M. Circulating retinol-binding protein 4 levels in gestational diabetes mellitus: a meta-analysis of observational studies. Gynecol Endocrinol 2015; 31:337-44. [PMID: 25703255 DOI: 10.3109/09513590.2015.1005594] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Retinol-binding protein 4 (RBP4) is a novel adipocyte-derived cytokine playing an important role in the regulation of energy metabolism and insulin sensitivity. Although the association between RBP4 and metabolic dysfunction is well established, studies on the relationship between circulating RBP4 levels and the risk of gestational diabetes mellitus (GDM) have yielded inconclusive results. We performed a meta-analysis to investigate whether women with GDM had higher circulating RBP4 levels than the normglycemic pregnant women. PubMed, Web of Science and EMBASE were searched up to 1 August 2014. A total of 14 studies comprised of 884 women with GDM and 1251 normglycemic pregnant women were included. The overall results suggested that maternal circulating RBP4 levels were significantly higher in GDM than their normal controls (SMD: 0.49 μg/ml, 95% CI: 0.23-0.75 μg/ml, p < 0.001, random effect model). However, stratified results indicated that this significant difference only existed in the second/third trimester and was limited to Asian populations. Furthermore, subgroup analysis according to matched maternal age and BMI still demonstrated that GDM had higher circulating RBP4 levels than the normal controls. Our findings suggested that Asian women with GDM had increased circulating RBP4 levels in their second/third trimester.
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Affiliation(s)
- Qi-Tao Huang
- Division of Obstetrics and Gynecology, Nanfang Hospital, Southern Medical University , Guangzhou , P.R. China and
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Resende FBS, De Lira LQ, Grilo EC, Lima MSR, Dimenstein R. Gestational diabetes: a risk of puerperal hypovitaminosis A? AN ACAD BRAS CIENC 2015; 87:463-70. [PMID: 25714077 DOI: 10.1590/0001-3765201520140164] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2014] [Accepted: 11/25/2014] [Indexed: 11/21/2022] Open
Abstract
The influence of gestational diabetes on vitamin A deficiency in lactating women and, consequently, in their newborn has been verified through a cross-sectional case-control study conducted with volunteer puerperal women. The control group consisted of healthy women and the test group was composed of women with gestational diabetes. One hundred and seven women were recruited, corresponding to 71 controls and 36 cases. Personal, gestational and newborn data were collected directly from medical records during hospitalization. The retinol was determined in maternal colostrum and serum by High Performance Liquid Chromatography. Postpartum women with gestational diabetes were older, had more children and a higher prevalence of cesarean delivery. No difference was found in retinol concentration in maternal milk and serum between the groups. However, it was observed that 16.7% had vitamin A deficiency in the group of patients with diabetes and only 4.1% had such deficiency in the control group. Although no difference was found in colostrum and serum retinol concentration between women with and without gestational diabetes, the individual analysis shows that those with diabetes are at higher risk of being vitamin A deficient.
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Affiliation(s)
| | - Larissa Q De Lira
- Departamento de Bioquímica, Universidade Federal do Rio Grande do Norte, Natal, RN, Brasil
| | - Evellyn C Grilo
- Departamento de Bioquímica, Universidade Federal do Rio Grande do Norte, Natal, RN, Brasil
| | - Mayara S R Lima
- Departamento de Bioquímica, Universidade Federal do Rio Grande do Norte, Natal, RN, Brasil
| | - Roberto Dimenstein
- Departamento de Bioquímica, Universidade Federal do Rio Grande do Norte, Natal, RN, Brasil
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Phillips RJ, Heesom KJ, Trinder J, Bernal AL. Human maternal plasma proteomic changes with parturition. EUPA OPEN PROTEOMICS 2014. [DOI: 10.1016/j.euprot.2014.09.001] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Gursoy AY, Aynaoglu G, Caglar GS, Soylemez F. Early second trimester retinol-binding protein-4 values in cases with or without gestational diabetes mellitus risk factors: a cross-sectional study. J Obstet Gynaecol Res 2014; 41:55-61. [PMID: 25227411 DOI: 10.1111/jog.12499] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2013] [Accepted: 05/07/2014] [Indexed: 01/15/2023]
Abstract
AIM Retinol-binding protein-4 (RBP-4) has been correlated with different degrees of insulin resistance including gestational diabetes mellitus (GDM). Presence of risk factors for GDM is an indication for early screening. We studied RBP-4 values in the early second trimester of pregnancy in pregnant subjects with or without GDM risk factors and compared the results by routine GDM screening methodology. METHODS Seventy-nine patients with at least one GDM risk factor and 46 patients without any GDM risk factors were enrolled in the cross-sectional study as risk and control groups, respectively. In the early second trimester, RBP-4 values were measured, in addition to fasting plasma glucose and 50-g glucose challenge test in all subjects. RESULTS The RBP-4 values in 16-18th weeks of pregnancy were not significantly different between risk and control groups (95.3 ± 20.1 vs 103.1 ± 24.4 μg/mL, respectively; P = 0.055) although fasting plasma glucose levels and 50-g glucose challenge test results were higher in the risk group than the control group (75.3 vs 69.3 mg/dL and 112.4 vs 97.5 mg/dL, respectively; P < 0.05). CONCLUSION Presence of GDM risk factors does not have an impact on early second trimester RBP-4 values in pregnant subjects.
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Affiliation(s)
- Asli Yarci Gursoy
- Faculty of Medicine, Department of Obstetrics and Gynecology, Ufuk University, Ankara, Turkey
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Damasceno AA, Carvalho CP, Santos EMB, Botelho FV, Araújo FA, Deconte SR, Tomiosso TC, Balbi APC, Zanon RG, Taboga SR, Góes RM, Ribeiro DL. Effects of maternal diabetes on male offspring: high cell proliferation and increased activity of MMP-2 in the ventral prostate. Cell Tissue Res 2014; 358:257-69. [PMID: 24988912 DOI: 10.1007/s00441-014-1941-6] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2014] [Accepted: 05/28/2014] [Indexed: 01/23/2023]
Abstract
This study presents a comprehensive view of the histological and functional status of the prostate of adult rat offspring of mothers subjected to gestational diabetes induced by alloxan. The ventral prostate of male adult offspring of diabetic (DP) or normal (CP) mothers was evaluated for collagen fibres, cell death, fibroblasts, smooth muscle cells, cell proliferation, matrix metalloproteinases (MMPs), androgen receptors (AR), transforming growth factor β1 (TGFβ-1), catalase and total antioxidant activity. The prostates of DP animals were lower in weight than those of the CP group. The DP group also exhibited hyperglycaemia and hypotestosteronemia, higher cell proliferation and AR expression, a reduction in α-actin (possibly interfering with the reproductive function of the prostate), and enhanced activity of MMP-2, although the absolute content of MMP-2 was lower in this group. These findings were associated with increased TGFβ-1 and decreased collagen distribution. The prostates of DP rats additionally exhibited reductions in catalase and total antioxidant activity. Thus, rats developing in a diabetic intrauterine environment have glycaemic and hormonal changes that impact on the structure and physiology of the prostate in adulthood. The increased AR expression possibly leads to elevated cell proliferation. Stromal remodelling was characterized by enhanced activity of MMP-2 and collagen degradation, even with increased TGFβ-1 activation. These changes associated with increased oxidative stress might interfere with tissue architecture and glandular homeostasis.
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Affiliation(s)
- A A Damasceno
- Histology Sector, Institute of Biomedical Sciences-ICBIM, Federal University of Uberlândia, Uberlândia, Brazil
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Hekmat K, Bagheri R, Abedi P, Tabesh H. The relationship of fat soluble antioxidants with gestational diabetes in Iran: a case-control study. J Matern Fetal Neonatal Med 2014; 27:1676-9. [PMID: 24512283 DOI: 10.3109/14767058.2014.892921] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
OBJECTIVE The primary aim of this study was to evaluate the relationship of fat soluble antioxidants (retinol and α-tocopherol) with gestational diabetes (GDM). METHODS This was a case-control study in which 41 pregnant women with GDM and 41 healthy women were recruited. The inclusion criteria were gestational age ≥32 weeks, singleton foetus, nulliparous or parous women up to four pregnancies and normal fasting blood sugar in the early pregnancy. Two groups were matched regarding age, gestational age and body mass index. A 5 ml venous blood sample were drawn and analysed with the chromatograph for measuring retinol and α-tocopherol. Data were analysed through Chi-square and t test. RESULTS The mean serum retinol of the GDM group was 0.46 µg/dl and in the control group it was 0.59 mg/dl (p = 0.01).The mean α-tocopherol in the women with GDM was 6.21 mg/dl and in the control group it was 6.92 mg/dl (p > 0.05). CONCLUSION The level of retinol in the diabetic pregnant women was significantly lower than that in the control group. This reduction may be due to the reduced antioxidant defences in women with GDM.
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Affiliation(s)
- Khadijeh Hekmat
- Midwifery Department, Reproductive Health Improvement Research Centre, Jundishapur University of Medical Sciences , Ahvaz , Iran and
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RBP4 gene variants are associated with insulin resistance in women with previous gestational diabetes. DISEASE MARKERS 2014; 2014:269208. [PMID: 24665145 PMCID: PMC3934384 DOI: 10.1155/2014/269208] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 06/26/2013] [Accepted: 12/22/2013] [Indexed: 12/17/2022]
Abstract
Objective. This study aimed to examine possible genetic effects of some retinol binding protein-4 (RBP4) single nucleotide polymorphisms (SNPs) on the risk of gestational diabetes mellitus (GDM). In addition, the SNPs were examined for their possible association with insulin resistance at 6 weeks after delivery. Methods. This was a prospective study of 100 women with GDM and 100 participants with normal gestation who were evaluated at gestational week 30 and 6 weeks postpartum. Three SNPs of RBP4 (rs3758539, rs116736522, and rs34571439) were genotyped using TaqMan assay. The genotype distributions between GDM patients and normal controls were analyzed using logistic regression models. In addition, differences in clinical characteristics among subjects grouped by genotype were assessed using the analysis of covariance test. Results. The frequencies of the rare alleles were not significantly different between GDM patients and controls. However, we identified two variants rs3758539 and rs34571439 associated with insulin levels and insulin resistance in women with previous GDM. Conclusion. Noncoding SNPs of the RBP4 gene are not associated with GDM, but two SNPs showed associations with insulin resistance and insulin levels in women with prior GDM. Additional studies with increased sample size will be necessary in other GDM cohorts.
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Zhaoxia L, Mengkai D, Qin F, Danqing C. Significance of RBP4 in patients with gestational diabetes mellitus: a case-control study of Han Chinese women. Gynecol Endocrinol 2014; 30:161-4. [PMID: 24397358 DOI: 10.3109/09513590.2013.871515] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
The role of retinol binding protein 4 (RBP4) in insulin resistance was recently identified. Our study investigated the correlation between RBP4 levels with lipid and glucose metabolism in a case-control study of women with gestational diabetes mellitus (GDM). Between May 2008 and May 2010, 70 pregnant women (24-28 weeks gestation) were recruited, including 35 women with GDM and 35 healthy controls. Blood samples were collected prior to and after oral glucose tolerance tests (OGTT) to detect serum RBP4, insulin, glycated hemoglobin, triglyceride (TG) and total cholesterol (TC) levels; the insulin resistance index (HOMA-IR) was calculated. Serum RBP4 levels in the GDM group were significantly higher than the control group (22.9 ± 3.09 µg/ml versus 17.9 ± 3.91 µg/ml; p < 0.01). Insulin, TC and TG levels in the GDM group and the control group were all significantly higher than the control group (p < 0.05). Serum RBP4 levels in the GDM group were correlated with HOMA-IR, TG and blood glucose levels at 1 h and 2 h after glucose was administered (r = 0.49, 0.49, 0.52,0.52, respectively; p < 0.01). In conclusion, serum RBP4 levels are elevated in GDM cases than controls. In addition, RBP4 correlates with abnormalities of insulin resistance, glucose and lipid metabolism.
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Affiliation(s)
- Liang Zhaoxia
- Obstetrical Department, Women's Hospital, School of Medicine, Zhejiang University , Hangzhou , China
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Wang D, Zhu W, Li J, An C, Wang Z. Serum concentrations of fibroblast growth factors 19 and 21 in women with gestational diabetes mellitus: association with insulin resistance, adiponectin, and polycystic ovary syndrome history. PLoS One 2013; 8:e81190. [PMID: 24260557 PMCID: PMC3834317 DOI: 10.1371/journal.pone.0081190] [Citation(s) in RCA: 46] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2013] [Accepted: 09/24/2013] [Indexed: 12/22/2022] Open
Abstract
BACKGROUND Fibroblast growth factor 19 (FGF19) and FGF21 are considered to be novel adipokines that improve glucose tolerance and insulin sensitivity. In the current study, we investigated serum FGF19 and FGF21 levels in patients with gestational diabetes mellitus (GDM) and explored their relationships with anthropometric and endocrine parameters. METHOD Serum FGF19 and FGF21 levels were determined by enzyme-linked immunosorbent assay (ELISA) in patients with GDM (n = 30) and healthy pregnant controls (n = 60) matched for maternal and gestational age. Serum FGF19 and FGF21 levels were correlated with anthropometric, metabolic, and endocrine parameters. RESULTS Circulating levels of FGF19 were significantly reduced in patients with GDM relative to healthy pregnant subjects, whereas FGF21 levels were increased in GDM patients. Serum FGF19 levels independently and inversely correlated with insulin resistance (increased homeostasis model assessment of insulin resistance, HOMA-IR) and were positively related to serum adiponectin in both groups. In contrast, serum FGF21 levels independently and positively correlated with insulin resistance and serum triglycerides and were inversely related to serum adiponectin. In addition, in the combined population of both groups, those women with preconception polycystic ovary syndrome (PCOS) history had the lowest levels of FGF19, which were significantly lower than those in GDM patients without PCOS history and those in controls without PCOS history. CONCLUSIONS Circulating FGF19 levels are reduced in GDM patients, in contrast with FGF21 levels. Both serum FGF19 and FGF21 levels are strongly related to insulin resistance and serum levels of adiponectin. Considering the different situation between FGF19 and FGF21, we suggest that reduced serum FGF19 levels could be involved in the pathophysiology of GDM, while increased serum FGF21 levels could be in a compensatory response to this disease.
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Affiliation(s)
- Dongyu Wang
- Department of Obstetrics and Gynecology, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Wenjing Zhu
- Department of Obstetrics and Gynecology, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Jieming Li
- Department of Obstetrics and Gynecology, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Chongyou An
- Department of Obstetrics and Gynecology, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Zilian Wang
- Department of Obstetrics and Gynecology, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong, China
- * E-mail:
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Kim JY, Cheong HS, Park BL, Baik SH, Park S, Kim S, Shin HD, Kim SH. Putative association between UBE2E2 polymorphisms and the risk of gestational diabetes mellitus. Gynecol Endocrinol 2013; 29:904-8. [PMID: 23862583 DOI: 10.3109/09513590.2013.813465] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/13/2023] Open
Abstract
We hypothesized that ubiquitin-conjugating enzyme E2 E2 (UBE2E2) may be associated with gestational diabetes mellitus (GDM) and conducted association analyses. A total of 2071 subjects were recruited for the study, with 1104 cases and 967 controls. Two UBE2E2 single-nucleotide polymorphisms rs6780569 and rs7612463, and their haplotypes were analyzed for the study. As a result, rs7612463 showed a significant association with GDM in the recessive model. In addition, the regression analyses for the phenotypes showed that rs6780569. rs7612463 and ht2 showed significant associations with fasting plasma glucose (FPG) in recessive models, while ht1 showed an association in the dominant model. Our results show that the genetic variants of UBE2E2 are associated with GDM and FPG, which could be an important preliminary result for future studies.
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Affiliation(s)
- Jason Y Kim
- Department of Life Science, Sogang University , Mapo-gu, Seoul, Republic of Korea
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Nanda S, Nikoletakis G, Markova D, Poon LCY, Nicolaides KH. Maternal serum retinol-binding protein-4 at 11-13 weeks' gestation in normal and pathological pregnancies. Metabolism 2013; 62:814-9. [PMID: 23410747 DOI: 10.1016/j.metabol.2012.12.011] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/12/2012] [Revised: 11/13/2012] [Accepted: 12/13/2012] [Indexed: 12/31/2022]
Abstract
OBJECTIVE To examine maternal serum levels of retinol-binding protein-4 (RBP4) at 11-13 weeks' gestation in normal and pathological pregnancies. METHODS Serum RBP4 at 11-13 weeks was measured in 480 singleton pregnancies, including 240 with normal outcome, 60 that subsequently developed preeclampsia (PE), 60 that developed gestational diabetes mellitus (GDM), 60 that delivered large for gestational age (LGA) neonates and 60 that delivered small (SGA) neonates. The values in each adverse pregnancy outcome group were compared to those of normal pregnancies. RESULTS Serum concentration of RBP4 was not significantly different in women who subsequently developed PE (p=0.925), or GDM (p=0.074), or had pregnancies that led to delivery to SGA (p=0.085), LGA (p=0.332) neonates. CONCLUSION Maternal serum RBP4 in the first trimester is not significantly altered in pathological pregnancies.
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Affiliation(s)
- Surabhi Nanda
- Harris Birthright Research Centre for Fetal Medicine, King's College Hospital, London, UK
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Klein K, Bancher-Todesca D, Leipold H, Knöfler M, Haslinger P, Handisurya A, Kautzky-Willer A, Worda C. Retinol-binding protein 4 in patients with gestational diabetes mellitus. J Womens Health (Larchmt) 2013; 19:517-21. [PMID: 20156079 DOI: 10.1089/jwh.2009.1615] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
OBJECTIVE It is still unknown if serum retinol-binding protein 4 (RBP4) relates to metabolic control and the occurrence of gestational diabetes mellitus (GDM). We studied RBP4 levels in patients with insulin-treated GDM and healthy pregnant women twice during pregnancy. METHODS Sixty-three women with GDM and 38 healthy pregnant women were included. Serum RBP4 levels were measured at 24-28 weeks of gestation and 8 weeks later. Patients with GDM were treated with insulin. RESULTS Serum RBP4 levels increased significantly between the two measurements in patients with GDM (p = 0.03). In patients with GDM, RBP4 concentrations at 33 weeks of gestation correlated positively with mean blood glucose, hemoglobin A1c values, and cord blood insulin values right after delivery. Regression analyses showed that the diagnosis of GDM (p = 0.04) and hemoglobin A1c levels (p < 0.001) were related to RBP4 levels at 33 weeks of gestation. CONCLUSIONS Serum RBP4 levels increase during pregnancy in patients with insulin-treated GDM.
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Affiliation(s)
- Katharina Klein
- Department of Obstetrics and Gynecology, Medical University of Vienna, Vienna, Austria.
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40
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Abetew DF, Qiu C, Fida NG, Dishi M, Hevner K, Williams MA, Enquobahrie DA. Association of retinol binding protein 4 with risk of gestational diabetes. Diabetes Res Clin Pract 2013; 99:48-53. [PMID: 23153527 PMCID: PMC3544538 DOI: 10.1016/j.diabres.2012.10.023] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/13/2012] [Revised: 09/24/2012] [Accepted: 10/22/2012] [Indexed: 02/08/2023]
Abstract
AIM We investigated association of maternal retinol binding protein 4 (RBP4) with risk of gestational diabetes (GDM). METHODS GDM cases (N=173) and controls (N=187) were selected from among participants of a cohort study of risk factors of pregnancy complications. Early pregnancy (16 weeks on average) serum RBP4 concentration was measured using an ELISA-based immunoassay. Logistic regression was used to estimate unadjusted and adjusted odds ratios (ORs/aORs) and 95% confidence intervals (95%CI). RESULTS Mean serum RBP4 was significantly higher among GDM cases compared with controls (47.1 vs. 41.1 μg/ml, respectively; p-value <0.05). Participants in the highest quartile for serum RBP4 had a 1.89-fold higher risk of GDM compared with participants in the lowest quartile (95%CI: 1.05-3.43). However, this relationship did not reach statistical significance after adjustment for confounders (aOR: 1.54; 95%CI: 0.82-2.90). Women who were ≥35 years old and who had high RBP4 (≥38.3 μg/ml, the median) had a 2.31-fold higher risk of GDM compared with women who were <35 years old and had low RBP4 (<38.3 μg/ml) (aOR: 2.31; 95%CI: 1.26-4.23; p-value for interaction=0.021). CONCLUSION Overall, there is modest evidence of a positive association of early pregnancy elevated RBP4 concentration with increased GDM risk, particularly among women with advanced age.
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Affiliation(s)
- Dejene F Abetew
- Center for Perinatal Studies, Swedish Medical Center, Seattle, WA, United States.
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Skvarca A, Tomazic M, Krhin B, Blagus R, Janez A. Adipocytokines and insulin resistance across various degrees of glucose tolerance in pregnancy. J Int Med Res 2012; 40:583-9. [PMID: 22613419 DOI: 10.1177/147323001204000220] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
OBJECTIVE Gestational diabetes mellitus is characterized by progressive insulin resistance. Adipocytokines are thought to be associated with insulin resistance. This cross-sectional study evaluated the associations between serum concentrations of several adipocytokines and insulin resistance at different stages of glucose tolerance in pregnancy, using the homeostasis model assessment of insulin resistance (HOMA-IR) as a reference. METHODS According to oral glucose tolerance test results, 74 pregnant women were divided into three groups: normal glucose tolerance (n = 25); intermediate glucose tolerance (n = 19); gestational diabetes mellitus (n = 30). Adiponectin, leptin, resistin, visfatin and retinol-binding protein 4 (RBP4) concentrations were measured using enzyme-linked immuno sorbent assays. RESULTS Groups were comparable regarding age, week of gestation and body mass index before gestation. There were statistically significant between-group differences in HOMA-IR, but no significant differences regarding serum adipocytokine concentrations. CONCLUSIONS Adipo nectin, leptin, resistin, visfatin and RBP4 were not associated with the degree of glucose tolerance in pregnancy. Concentrations of these adipocytokines are not sufficiently sensitive to replace HOMA- IR in pregnancy.
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Affiliation(s)
- A Skvarca
- Department of Endocrinology, Diabetes and Metabolic Diseases, University Medical Centre Ljubljana, Zaloska 7, SI-1000 Ljubljana, Slovenia.
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Pullakhandam R, Palika R, Ghosh S, Reddy GB. Contrasting effects of type 2 and type 1 diabetes on plasma RBP4 levels: the significance of transthyretin. IUBMB Life 2012; 64:975-82. [PMID: 23129325 DOI: 10.1002/iub.1096] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2012] [Accepted: 09/12/2012] [Indexed: 12/13/2022]
Abstract
Retinol-binding protein 4 (RBP4) is the principle carrier of retinol in the human plasma, which circulates as a complex with transthyretin (TTR), a homotetrameric thyroxine transport protein. Although this complex formation is thought to prevent glomerular filtration of RBP4, it also stabilizes the quaternary structure of TTR. Recent studies indicate elevated plasma levels of RBP4 in type 2 diabetes (T2D). In contrast, reduced RBP4 levels were observed in type 1 diabetes (T1D). Herein, we critically examine the probable mechanisms involved in the regulation of RBP4 and TTR levels during T2D and T1D. The available evidences point to the involvement of pancreatic factors in regulating the expression of both RBP4 and TTR. It appears that during T1D, TTR levels are reduced and it exists predominantly as a monomer that may interfere its interaction with RBP4 resulting in its loss through glomerular filtration. However, plasma TTR levels remain high under T2D conditions and thus reducing glomerular filtration of RBP4. Therefore, the plasma TTR levels appear to be an important determinant of plasma RBP4 levels in these two diabetic conditions.
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Affiliation(s)
- Raghu Pullakhandam
- National Institute of Nutrition, Indian Council of Medical Research, Jamai-Osmania, Hyderabad 500 007, India.
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Chemerin is present in human cord blood and is positively correlated with birthweight. Am J Obstet Gynecol 2012; 207:412.e1-10. [PMID: 22925375 DOI: 10.1016/j.ajog.2012.08.008] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2012] [Revised: 07/24/2012] [Accepted: 08/02/2012] [Indexed: 01/19/2023]
Abstract
OBJECTIVE Chemerin, a novel adipokine, has been implicated in adipogenesis, inflammation, and metabolism. The aims of this study were to determine the presence of chemerin in cord blood and its association with birthweight. STUDY DESIGN This cross-sectional study included the following: (1) twins with (n = 24) or without (n = 28) birthweight discordancy; and (2) singletons subclassified into small-for-gestational-age (SGA; n = 18); appropriate for gestational age (AGA; n = 33); and large-for-gestational-age (LGA; n = 8). Cord blood chemerin was determined. Parametric and nonparametric statistics were used for analysis. RESULTS The results of the study included the following: (1) within the discordant twins group, the median chemerin concentration was significantly lower in the SGA group than in their cotwins; (2) within singletons, the median chemerin concentration was significantly higher in the LGA than the AGA newborns; and (3) the regression model revealed that chemerin was independently associated with birthweight. CONCLUSION Cord blood chemerin is present in cord blood and its concentrations are positively correlated with birthweight. These novel findings support a role of adipokines in fetal growth.
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Khovidhunkit W, Pruksakorn P, Plengpanich W, Tharavanij T. Retinol-binding protein 4 is not associated with insulin resistance in pregnancy. Metabolism 2012; 61:65-9. [PMID: 21741059 DOI: 10.1016/j.metabol.2011.05.019] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/24/2011] [Revised: 04/06/2011] [Accepted: 05/21/2011] [Indexed: 12/19/2022]
Abstract
Retinol-binding protein 4 (RBP4) is an adipokine proposed to be specifically associated with insulin resistance (IR). We examined whether serum levels of RBP4 were associated with IR in pregnancy. One hundred seventy-two women with gestational diabetes mellitus (GDM) and 361 pregnant Thai women who did not have GDM but had a positive 50-g glucose challenge test result (plasma glucose level was ≥7.2 mmol/L after 1 hour) were enrolled. We measured fasting serum levels of RBP4 and assessed IR at a 100-g oral glucose tolerance test. We found a higher degree of IR in the GDM group compared with the non-GDM group, but serum RBP4 levels between the 2 groups were not different. Retinol-binding protein 4 levels were associated with serum triglyceride levels but were not associated with the degree of IR assessed by homeostasis model assessment or quantitative insulin sensitivity check index. Our results suggest that serum RBP4 levels in pregnancy are not associated with IR.
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Affiliation(s)
- Weerapan Khovidhunkit
- Endocrine, Hormone and Metabolism Research Unit, and Endocrinology and Metabolism Unit, Department of Medicine, Faculty of Medicine, Chulalongkorn University, and King Chulalongkorn Memorial Hospital, Patumwan, Bangkok, Thailand.
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Miehle K, Stepan H, Fasshauer M. Leptin, adiponectin and other adipokines in gestational diabetes mellitus and pre-eclampsia. Clin Endocrinol (Oxf) 2012; 76:2-11. [PMID: 21951069 DOI: 10.1111/j.1365-2265.2011.04234.x] [Citation(s) in RCA: 161] [Impact Index Per Article: 13.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Proteins secreted from adipocytes - so-called adipokines - influence metabolic and vascular function. Recent data suggest that various adipokines are dysregulated in gestational diabetes mellitus (GDM) and pre-eclampsia (PE) and might be of pathophysiological and prognostic significance in these complications of pregnancy. This review gives an overview on the regulation and pathophysiology of leptin and adiponectin in GDM and PE. Furthermore, data on novel adipokines including resistin, visfatin, retinol-binding protein 4 and vaspin are summarized.
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Affiliation(s)
- Konstanze Miehle
- Department of Internal Medicine (Endocrinology and Nephrology), University of Leipzig, Germany
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Saucedo R, Zarate A, Basurto L, Hernandez M, Puello E, Galvan R, Campos S. Relationship between circulating adipokines and insulin resistance during pregnancy and postpartum in women with gestational diabetes. Arch Med Res 2011; 42:318-23. [PMID: 21820611 DOI: 10.1016/j.arcmed.2011.06.009] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2011] [Accepted: 06/14/2011] [Indexed: 10/17/2022]
Abstract
BACKGROUND AND AIMS We undertook this study to assess the relationship between circulating adipokines and insulin resistance during pregnancy and postpartum in women with gestational diabetes mellitus (GDM). METHODS This was a prospective study including 60 women with GDM and 60 subjects with normal gestation who were evaluated at gestational week 30, 6 weeks and 6 months postpartum. Circulating adipokines that were evaluated during the study were leptin, adiponectin, retinol-binding protein-4 (RBP4), and tumor necrosis factor-alpha (TNF-α). RESULTS Women with GDM showed higher insulin resistance measured by HOMA-IR than subjects with normal gestation (2.3 ± 2.3 vs. 1.3 ± 0.95). There was no difference between groups in adipokines; however, in women with a healthy pregnancy, RBP4 was associated with insulin resistance (r = 0.47, p <0.05). At 6 weeks and 6 months postpartum, women with previous GDM exhibited persistent elevated leptin and insulin resistance. RBP4 was associated with insulin resistance only in women with a previous healthy pregnancy (r = 0.51, p <0.05). In addition, progressively impaired glucose tolerance was observed after delivery in women with previous GDM. CONCLUSIONS It was demonstrated that GDM is associated with greater insulin resistance than observed in normal pregnancy; however, adipokines are similar in both groups. RBP4 levels are significantly associated with insulin resistance in healthy women during pregnancy and postpartum. After a pregnancy complicated by GDM, leptin and insulin resistance remain elevated and glucose tolerance worsens.
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Affiliation(s)
- Renata Saucedo
- Endocrine Research Unit, National Medical Center, Mexican Social Security Institute, Mexico City, Mexico.
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Kuzmicki M, Telejko B, Wawrusiewicz-Kurylonek N, Nikolajuk A, Zwierz-Gugala D, Jelski W, Kolodziejczak M, Zonenberg A, Wilczynski J, Kretowski A, Gorska M, Szamatowicz J. Retinol-binding protein 4 in adipose and placental tissue of women with gestational diabetes. Gynecol Endocrinol 2011; 27:1065-9. [PMID: 21609194 DOI: 10.3109/09513590.2011.579651] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
In the present study, we evaluated serum levels of retinol-binding protein 4 (RBP4) and the expression of RBP4, glucose transporter-4 (GLUT4) and peroxisome proliferator activated receptor gamma (PPARγ) mRNA (using quantitative real time-PCR) in subcutaneous adipose tissue (SAT), visceral adipose tissue (VAT) and placental tissue obtained from patients with gestational diabetes (GDM) and healthy pregnant women. Serum RBP4 concentrations and its expression in SAT were higher in the women with GDM than in the controls (p = 0.03). No association between serum or tissue RBP4 and the indices of insulin resistance was noted. In the GDM group serum RBP4 correlated with its mRNA expression in SAT (r = 0.67, p = 0.007). Stepwise regression analysis revealed that RBP4 mRNA expression in SAT was independently predicted by GLUT4 mRNA expression (β= 0.59, p = 0.003) and the presence of GDM (β=0.46, p = 0.01), whereas RBP4 mRNA expression in VAT was related to PPARγ mRNA expression (β= 0.64, p = 0.0003) and the patient's age (β= -0.38, p = 0.03). In conclusion, our results suggest that the elevated expression of RBP4 in SAT may contribute to the increase in circulating RBP4 in GDM subjects.
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Affiliation(s)
- Mariusz Kuzmicki
- Department of Gynecology, Medical University of Bialystok, Poland.
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Kim JY, Cheong HS, Park BL, Baik SH, Park S, Lee SW, Kim MH, Chung JH, Choi JS, Kim MY, Yang JH, Cho DH, Shin HD, Kim SH. Melatonin receptor 1 B polymorphisms associated with the risk of gestational diabetes mellitus. BMC MEDICAL GENETICS 2011; 12:82. [PMID: 21658282 PMCID: PMC3129295 DOI: 10.1186/1471-2350-12-82] [Citation(s) in RCA: 49] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 10/01/2010] [Accepted: 06/10/2011] [Indexed: 12/29/2022]
Abstract
Backgrounds Two SNPs in melatonin receptor 1B gene, rs10830963 and rs1387153 showed significant associations with fasting plasma glucose levels and the risk of Type 2 Diabetes Mellitus (T2DM) in previous studies. Since T2DM and gestational diabetes mellitus (GDM) share similar characteristics, we suspected that the two genetic polymorphisms in MTNR1B may be associated with GDM, and conducted association studies between the polymorphisms and the disease. Furthermore, we also examined genetic effects of the two polymorphisms with various diabetes-related phenotypes. Methods A total of 1,918 subjects (928 GDM patients and 990 controls) were used for the study. Two MTNR1B polymorphisms were genotyped using TaqMan assay. The allele distributions of SNPs were evaluated by x2 models calculating odds ratios (ORs), 95% confidence intervals (CIs), and corresponding P values. Multiple regressions were used for association analyses of GDM-related traits. Finally, conditional analyses were also performed. Results We found significant associations between the two genetic variants and GDM, rs10830963, with a corrected P value of 0.0001, and rs1387153, with the corrected P value of 0.0008. In addition, we also found that the two SNPs were associated with various phenotypes such as homeostasis model assessment of beta-cell function and fasting glucose levels. Further conditional analyses results suggested that rs10830963 might be more likely functional in case/control analysis, although not clear in GDM-related phenotype analyses. Conclusion There have been studies that found associations between genetic variants of other genes and GDM, this is the first study that found significant associations between SNPs of MTNR1B and GDM. The genetic effects of two SNPs identified in this study would be helpful in understanding the insight of GDM and other diabetes-related disorders.
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Affiliation(s)
- Jason Y Kim
- Department of Life Science, Sogang University, Department of Obstetrics and Gynecology, Cheil General Hospital and Women’s Healthcare Center, 1 Shinsu-dong, Mapo-gu, Seoul, 121-742, Republic of Korea
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Seol HJ, Kim JW, Kim HJ. Retinol-binding protein-4 is decreased in patients with preeclampsia in comparison with normal pregnant women. J Perinat Med 2011; 39:287-9. [PMID: 21299359 DOI: 10.1515/jpm.2011.016] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
AIMS The aim of this study was to investigate retinol-binding protein-4 (RBP4) levels in maternal and umbilical cord serum in patients in the third trimester of pregnancy with preeclampsia in comparison to levels in normal pregnant women. METHODS The RBP4 levels in maternal and umbilical cord serum were measured and compared by enzyme-linked immunosorbent assay in 16 normal pregnant and 16 patients with preeclampsia. RESULTS Both maternal and umbilical cord serum RBP4 levels were significantly decreased in patients with preeclampsia, as compared to normal pregnant women (maternal serum, median 168.0 μg/mL vs. 202.0 μg/mL, P<0.001; umbilical cord serum, median 147.9 μg/mL vs. 193.0 μg/mL, P<0.001). Preeclampsia was independently related to RBP4 levels of maternal and umbilical cord serum. CONCLUSION Both maternal and umbilical cord serum RBP4 levels were lower in patients with preeclampsia than in normal pregnant women in the third trimester of pregnancy.
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Affiliation(s)
- Hyun-Joo Seol
- Department of Obstetrics and Gynecology, Kyung Hee University Hospital at Gangdong, College of Medicine, Kyung Hee University, Seoul, Korea
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Su YX, Hong J, Yan Q, Xu C, Gu WQ, Zhang YF, Shen CF, Chi ZN, Dai M, Xu M, Zhang YW, Liu QR, Li XY, Ning G, Wang WQ. Increased serum retinol-binding protein-4 levels in pregnant women with and without gestational diabetes mellitus. DIABETES & METABOLISM 2010; 36:470-5. [PMID: 21109476 DOI: 10.1016/j.diabet.2010.06.006] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/09/2010] [Revised: 06/24/2010] [Accepted: 06/26/2010] [Indexed: 11/19/2022]
Abstract
OBJECTIVE Retinol-binding protein 4 (RBP4) is thought to be associated with insulin resistance in humans, while pregnancy is normally characterized by progressive insulin resistance. Gestational diabetes (GDM) occurs when pancreatic beta-cell function is unable to compensate for insulin resistance. This study aimed to determine whether or not serum RBP4 levels are elevated in pregnancy, and to explore the relationship between RBP4 levels and insulin resistance during pregnancy. METHODS Serum RBP4 was measured at median gestational week 26 in 121 pregnant women, including 63 with GDM (GDM group) and 58 normal, glucose-tolerant pregnant women (P-NGT group), as well as 65 non-pregnant normal, glucose-tolerant women (NP-NGT group). Multiple stepwise regression analysis was used to explore the independent factors of RBP4. RESULTS Serum RBP4 levels in the P-NGT and GDM groups were significantly higher than in the NP-NGT group (34.50±9.80 mg/L and 41.64±12.21 mg/L vs 30.64±9.46 mg/L, respectively; P<0.05) after adjusting for age, body mass index (BMI) and blood pressure. Furthermore, RBP4 levels were much higher in the GDM vs P-NGT group. Spearman's correlation analysis showed that serum RBP4 levels were positively correlated with triglycerides (TG), fasting plasma glucose, postprandial 2h plasma glucose and HOMA-IR in pregnancy. Of these, TG and HOMA-IR (r(2)=0.312) were independent factors of serum RBP4. CONCLUSION Serum RBP4 levels are significantly increased in pregnancy, independent of age and BMI, and are also considerably higher in pregnant women with GDM than in those with normal glucose tolerance. In addition, serum RBP4 levels appear to be a valuable marker of insulin resistance and dysfunctional lipid metabolism in pregnancy.
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Affiliation(s)
- Y-X Su
- State Key Laboratory of Medical Genomics, Shanghai Clinical Center for Endocrine and Metabolic Diseases, Shanghai Institute of Endocrine and Metabolic Diseases, Ruijin Hospital, Shanghai Jiaotong University School of Medicine, 197 Ruijin Er Road, Shanghai, PR China
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