scholarly journals Association of gestational diabetes mellitus with changes in gut microbiota composition at the species level

2021 ◽  
Vol 21 (1) ◽  
Author(s):  
Fang Chen ◽  
Yu Gan ◽  
Yingtao Li ◽  
Wenzhi He ◽  
Weizhen Wu ◽  
...  

Abstract Background Gestational diabetes mellitus (GDM), a common endocrine disorder with rising prevalence in pregnancy, has been reported to be associated with alteration of gut microbiota in recent years. However, the role of gut microbiome in GDM physiopathology remains unclear. This pilot study aims to characterize the alteration of gut microbiota in GDM on species-level resolution and evaluate the relationship with occurrence of GDM. Methods An analysis based on 16S rRNA microarray was performed on fecal samples obtained from 30 women with GDM and 28 healthy pregnant women. Results We found 54 and 141 differentially abundant taxa between GDM and control group at the genus and the species level respectively. Among GDM patients, Peptostreptococcus anaerobius was inversely correlated with fasting glucose while certain species (e.g., Aureimonas altamirensis, Kosakonia cowanii) were positively correlated with fasting glucose. Conclusions This study suggests that there are large amounts of differentially abundant taxa between GDM and control group at the genus and the species level. Some of these taxa were correlated with blood glucose level and might be used as biomarkers for diagnoses and therapeutic targets for probiotics or synbiotics.

2019 ◽  
Vol 20 (1) ◽  
pp. 159 ◽  
Author(s):  
Radzisław Mierzyński ◽  
Elżbieta Poniedziałek-Czajkowska ◽  
Dominik Dłuski ◽  
Jolanta Patro-Małysza ◽  
Żaneta Kimber-Trojnar ◽  
...  

Gestational diabetes mellitus (GDM) is considered to be one of the most frequent medical complication observed among pregnant women. The role of adipokines in the pathogenesis of GDM remains strictly unknown. Different adipokines have been studied throughout gestation, and they have been proposed as biomarkers of GDM and other pregnancy-related complications; however, there is no biomarker reported for GDM screening at present. The aim of this study was to evaluate serum nesfatin-1 and vaspin levels in GDM and non-GDM women, to characterize the correlation between these adipokines, and to assess the potential role of circulating adipokines in the prediction of risk of gestational diabetes mellitus. Serum concentrations of nesfatin-1 and vaspin were measured in 153 women with GDM, and in 84 patients with uncomplicated pregnancy by enzyme-linked immunosorbent assay (ELISA) kits, according to the manufacturer’s instructions. Circulating levels of nesfatin-1 and vaspin were significantly lower in the GDM group than in the control group. Nesfatin-1 levels were negatively correlated with vaspin levels. The results of this study point out the possible role of nesfatin-1 and vaspin as potential novel biomarkers for the prediction and early diagnosis of GDM. Further studies are necessary to evaluate the influence of nesfatin-1 and vaspin on glucose metabolism in the early stages of GDM.


mSystems ◽  
2020 ◽  
Vol 5 (2) ◽  
Author(s):  
Wei Zheng ◽  
Qian Xu ◽  
Wenyu Huang ◽  
Qi Yan ◽  
Yating Chen ◽  
...  

ABSTRACT Women with gestational diabetes mellitus (GDM) have different gut microbiota in late pregnancy compared to women without GDM. It remains unclear whether alterations of gut microbiota can be identified prior to the diagnosis of GDM. This study characterized dynamic changes of gut microbiota from the first trimester (T1) to the second trimester (T2) and evaluated their relationship with later development of GDM. Compared with the control group (n = 103), the GDM group (n = 31) exhibited distinct dynamics of gut microbiota, evidenced by taxonomic, functional, and structural shifts from T1 to T2. Linear discriminant analysis (LDA) revealed that there were 10 taxa in T1 and 7 in T2 that differed in relative abundance between the GDM and control groups, including a consistent decrease in the levels of Coprococcus and Streptococcus in the GDM group. While the normoglycemic women exhibited substantial variations of gut microbiota from T1 to T2, their GDM-developing counterparts exhibited clearly reduced inter-time point shifts, as corroborated by the results of Wilcoxon signed-rank test and balance tree analysis. Moreover, cooccurrence network analysis revealed that the interbacterial interactions in the GDM group were minimal compared with those in the control group. In conclusion, lower numbers of dynamic changes in gut microbiota in the first half of pregnancy are associated with the development of GDM. IMPORTANCE GDM is one of the most common metabolic disorders during pregnancy and is associated with adverse short-term and long-term maternal and fetal outcomes. The aim of this study was to examine the connection between dynamic variations in gut microbiota and development of GDM. Whereas shifts in gut microbiota composition and function have been previously reported to be associated with GDM, very little is known regarding the early microbial changes that occur before the diagnosis of GDM. This study demonstrated that the dynamics in gut microbiota during the first half of pregnancy differed significantly between GDM and normoglycemic women. Our findings suggested that gut microbiota may potentially serve as an early biomarker for GDM.


2021 ◽  
pp. 028418512110542
Author(s):  
Ali Taner Anuk ◽  
Atakan Tanacan ◽  
Seyit Ahmet Erol ◽  
Mihriban Alkan ◽  
Orhan Altinboga ◽  
...  

Background Recently, studies on placental elastography in high-risk pregnancies continue to increase. The shear wave technique can contribute to the management of gestational diabetes mellitus (GDM) and improve perinatal outcomes by measuring placental stiffness. Purpose: To evaluate the relationship between placental stiffness measured by shear wave elastography (SWE) and perinatal outcomes in women with GDM. Material and Methods: This prospective cross-sectional study was conducted at our hospital between March and October 2020. The participants were divided into three groups: GDM-A1 group (regulated by dietary modifications); GDM-A2 group (needed pharmacologic treatment); and low-risk pregnancy (LRP) group. Both SWE and shear wave velocity (SWV) were measured in the placenta during pregnancy. Results In total, 111 women were included in the study. The mean SWE (kPa) values for the GDM-A1, GDM-A2, and LRP groups were 10.4 (range 3.1–23.3), 13 (range 4.3–29.6), and 8.3 (range 3.2–15.1), respectively. The mean HbA1c and fasting glucose values of diabetes groups showed strongly positive correlation with mean SWE and SWV values ( P < 0.001, r=0.875; P < 0.001, r=0.856; P < 0.001, r=0.791; P < 0.001, r=0.740), respectively. The SWE values of central maternal and fetal surfaces of the placenta ( P=0.01, r=0.242; P < 0.001, r=0.333) showed a moderately positive correlation with admission to the neonatal intensive care unit. Conclusion Placental stiffness has increased in the GDM-A2 group when compared to the GDM-A1 and LRP groups. We also observed a strong positive correlation between HbA1c, fasting glucose values, and increased elasticity values in diabetic patients with metabolic dysregulation that may have clinical value.


2020 ◽  
Vol 3_2020 ◽  
pp. 18-24
Author(s):  
Onopriychuk A.R. Onopriychuk ◽  
Kapustin R.V. Kapustin ◽  
Arzhanova O.N. Arzhanova ◽  

2020 ◽  
Vol 34 (3) ◽  
pp. 195-198
Author(s):  
Bernice Man ◽  
Mary Dawn Koenig ◽  
Beatriz Penalver Bernabe ◽  
Unnathi Nagelli ◽  
Lisa Tussing-Humphreys

2020 ◽  
Vol 2020 ◽  
pp. 1-11
Author(s):  
Yuhang Long ◽  
Le Chen ◽  
Yaochao Yang ◽  
Wei Liu ◽  
Hanxi Zhang ◽  
...  

Aims. To explore the relationship between gestational diabetes mellitus (GDM) and neonatal cord blood amino acid and carnitine levels after GDM was diagnosed among pregnant women monitoring glycosylated haemoglobin levels of 5.5%-6.4% during mid-late gestation. Methods. In all, 7289 qualified participants were recruited and divided into two groups (GDM and control groups) between 1 July 2015 and 1 July 2020, and all maternal-neonatal data were collected and analyzed at three centers. Results. Interestingly, glycine in cord blood was not only significantly different between groups (15.52 vs. 6.67, P < 0.001 ) but also associated with neonatal hypoglycemia ( r = 0.132 , P < 0.001 ). Although glycine was an independent positive factor with neonatal hypoglycemia, it had lacked effective size to predict the risk of neonatal hypoglycemia ( b = 0.002 , P < 0.001 ). Conclusion. The study identifies some differences and relationships in maternal-neonatal data when the GDM group has fluctuating glycosylated haemoglobin levels of 5.5%-6.4% without hypoglycemic drug intervention, compared with the control group. Although umbilical cord blood of glycine levels has a lack of effective power to predict the risk of neonatal hypoglycemia, it is probably an independent factor involved in the maternal-neonatal glucolipid metabolism.


Author(s):  
Adele Bahar ◽  
Ozra Akha ◽  
Mahdi Bordbar ◽  
Saeid Abediankenari ◽  
Rezaali Mohammadpoor ◽  
...  

Introduction: Inflammatory state is considered as the pathogenesis of Gestational Diabetes Mellitus (GDM). Cytokines can cause insulin resistance and maybe the molecular basis of inflammation in Diabetes Mellitus (DM). Aim: To assess the level of Interleukin-10 (IL-10) in addition to a new anti-inflammatory cytokine marker Interleukin-35 (IL-35) in pregnant women with and without GDM. Materials and Methods: Participants in the study included 29 pregnant women with GDM (case group) and 29 healthy pregnant women (control group). Blood levels of IL-10, IL-35, Erythrocyte Sedimentation Rate (ESR) and C-Reactive Protein (CRP) were measured in all participants. Independent t-test and Chi-square test were used for data analysis. Quantitative data between three gestational subgroups (<29, 29-32 and >32 weeks) in each GDM and control group were compared by ANOVA test. The p-value <0.05 was considered significant. Results: The mean levels of IL-10 were 1.03±0.85 and 0.83±0.57 pg/mL (p=0.284) and the mean IL-35 concentrations were 10.2±8.1 and 8.8±4.3 pg/mL (p=0.437) in GDM and control groups, respectively. The mean CRP and ESR levels were higher in the GDM group than the controls but the differences were not statistically significant. In the GDM group, IL-10 was significantly lower at the early stage of pregnancy (<29 weeks) compared to the later stage (>32 weeks) (p=0.04), but this was not true in the control group. There was no significant difference between the mean level of IL-35 at different gestational ages in both GDM and control groups. Conclusion: The present study showed the decreased level of anti-inflammatory marker IL-10 in the late stage of pregnancy in diabetic women especially during the last weeks of gestation. New inflammatory marker IL-35 was not statistically significant in GDM subjects.


2013 ◽  
Vol 26 (3) ◽  
pp. 258-262

Current literature provides contradictory information on the role of adiponectin (AdipoQ) in the course of gestational diabetes (GDM). The aim of the study was to measure AdipoQ concentration in blood of women with GDM and to find relationships between this adipokine and clinical and biochemical parameters. The study group included 50 women diagnosed with GDM between 24 and 28 weeks of gestation who underwent routine prenatal tests for GDM in compliance with the guidelines of the Polish Diabetes Association. All patients underwent clinical and laboratory evaluation at GDM diagnosis. Laboratory tests included serum AdipoQ concentration, fasting glucose, fasting insulin, OGTT and lipid parameters in serum. AdipoQ concentrations did not differ significantly between the groups during gestation (p=0.7054). In the subgroup (2h glucose level in the OGTT 200 mg/dl) the concentration of AdipoQ tended to be decreased as compared to the remaining patients from the study and control groups, though the decline was insignificant (p=0.0541). The concentration of AdipoQ in the subgroup was about 20% lower than in the other patients from the study group. No correlations, except with the neonatal weight (r= - 0.29, p<0.05), were found between AdipoQ and the studied parameters. The GDM group showed significantly elevated fasting glucose, insulin, HOMA-IR values, total cholesterol, LDL-cholesterol and triglicerydes, as compared with the control group (p.05). These results lead to the conclusion that women with newly diagnosed and promptly treated GDM have normal adiponectin level. A negative correlation between AdipoQ level and the birth weight may suggest that this adipokine plays a role in the control of the birth weight especially in the incidence of macrosomia.


2020 ◽  
Vol 5 (2) ◽  
pp. 1-14
Author(s):  
Ayobola Abimbola Sonuga ◽  
Oyebola Oluwagbemiga Sonuga

Background: Gestational diabetes mellitus (GDM), a pregnancy complication, is defined as any degree of glucose intolerance with onset or first recognition during pregnancy. Vitamin D deficiency and insufficiency has recently been recognized as a contributing factor to the pathogenesis of GDM, and this link might be associated with hyperglycemia, insulin resistance, and inflammation, which are implicated in GDM. Objectives: This study aims at investigating the relationship between vitamin D, fasting plasma glucose (FPG), insulin, zinc, ferritin, and high-sensitivity C-reactive protein (CRP) in GDM. Method: A case-control study in which 80 women attending the antenatal clinic of University College Hospital (UCH), Ibadan, Nigeria, were recruited; the women were grouped into controls (40 nondiabetic pregnant women) and cases (40 pregnant women with GDM). Blood samples were taken at the second trimester, and metabolites were quantified by standard laboratory methods. Student’s t test and Pearson correlation were used to compare variables and determine the relationship between variables, respectively. Results: Results showed significant (p < 0.05) low levels of serum vitamin D and zinc, and significant (p < 0.05) higher levels of FPG and serum insulin, ferritin, and CRP in the GDM group compared to the control group. In the GDM group, a positive weak relationship was observed between vitamin D and zinc (r = 0.18, p < 0.05), while vitamin D was inversely correlated with FPG, serum insulin, ferritin, and CRP (r = –0.23, –0.21, –0.20, –0.46, respectively, p < 0.05). Conclusion: This study suggests that hypovitaminosis D might be associated with glucose intolerance, insulin insensitivity, and inflammation, which are factors implicated in the development and progression of GDM.


2018 ◽  
Vol 51 (2) ◽  
pp. 630-646 ◽  
Author(s):  
Rong Ding ◽  
Fei Guo ◽  
Yong Zhang ◽  
Xi-Mei Liu ◽  
Yu-Qian Xiang ◽  
...  

Background/Aims: The placenta has been suggested to play a crucial role in the pathology of gestational diabetes mellitus (GDM). Placenta-specific microRNAs (miRNAs) and the corresponding targeting genes involved in the pathology of GDM still remain to be elucidated. We aimed to identify the dysregulated miRNAs and the corresponding mRNA targets through an integrated miRNA and mRNA transcriptomic profiles analysis and investigate the role of differentially expressed miR-138-5p/TBL1X in GDM. Methods: RNA sequencing (RNA-seq) was performed in 16 placentas from GDM and control group. Differentially expressed mRNAs and miRNAs in GDM were validated by quantitative PCR (qPCR). The wound healing assay and transwell migration assay were used to analyze cell migration ability. The cell proliferation was determined by CCK8 assay. Luciferase assay was used to confirm the direct binding of the targeted TBL1X with miR-138-5p. Results: Totally, 281 mRNAs and 32 miRNAs were found to be differentially expressed in the GDM placentas. The biological relationships of the miRNA/mRNA pairs were related to cellular development and function and organ morphology. Among the aberrantly expressed molecules, we selected miR-138-5p from the bioinformatics analysis and found that miR-138-5p significantly inhibited the migration and proliferation of trophoblasts (HTR-8/SVneo) by targeting the 3’-UTR of TBL1X. Furthermore, the aberrant expression of miR-138-5p and TBL1X was significantly correlated with the weight of the placenta. Conclusion: We present the first integrative analysis of miRNA and mRNA expression profiles in GDM placenta and uncover a more detailed role for miR-138-5p, as well as its target TBL1X in the pathology of GDM.


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