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Msollo SS, Martin HD, Mwanri AW, Petrucka P. Prevalence of hyperglycemia in pregnancy and influence of body fat on development of hyperglycemia in pregnancy among pregnant women in urban areas of Arusha region, Tanzania. BMC Pregnancy Childbirth 2019; 19:315. [PMID: 31455272 PMCID: PMC6712730 DOI: 10.1186/s12884-019-2463-8] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2019] [Accepted: 08/19/2019] [Indexed: 12/16/2022] Open
Abstract
Background Hyperglycemia in pregnancy is a medical condition resulting from either pre-existing diabetes or insulin resistance developed during pregnancy. This study aimed to determine the prevalence of hyperglycemia in pregnancy and influence of body fat percentage and other determinants on developing hyperglycemia in pregnancy among women in Arusha District, Tanzania. Methods A cross–sectional study was conducted between March and December 2018 at selected health facilities in Arusha District involving 468 pregnant women who were not known to have diabetes before pregnancy. Blood glucose was tested by Gluco-Plus™ using the World Health Organization criteria at fasting and 2 h after consuming 75 g of glucose dissolved in 300 ml of water. Body fat was measured using a bioelectric impedance analyzer, mid-upper arm circumference using a regulated tape, weight using SECA™, blood pressure using a GT-868UF Geratherm™ machine, and height using a stadiometer. Demographic and maternal characteristics were collected through face to face interviews using a structured questionnaire. Results The participants’ mean age was 28 years (SD ± 6), mid-upper arm circumference 27 cm (SD ± 3.7), body fat 33.72% (SD ± 7.2) and pre-pregnancy body mass index 25.6 kg/m2 (SD ± 5.5). One-third of participants had mid-upper arm circumferences ≥28 cm with 25% being overweight and 22.7% obese before pregnancy. Prevalence of hyperglycemia in pregnancy was 16.2% (n = 76) of which 13% had gestational diabetes and 3.2% diabetes in pregnancy. Hyperglycemia in pregnancy was significantly associated with body fat percentage (AOR 1.33; 95% CI: 1.22–1.44), family history of Type 2 diabetes mellitus (AOR 6.95, 95% CI: 3.11–15.55), previous delivery of babies ≥4 kg (AOR 2.3, 95% CI: 1.00–5.28), mid-upper arm circumference ≥ 28 cm (AOR 1.2, 95% CI: 1.09–1.32), and Type 2 diabetes mellitus symptoms (AOR 2.83, 95% CI: 1.53–6.92). Conclusion The prevalence of hyperglycemia in pregnancy was high, particularly among women with history of delivering ≥4-kg babies, increased body fat, mid-upper arm circumference, symptoms and/or family history of Type 2 diabetes mellitus. These findings identify opportunities to further explore the utility of body fat percentage and other determinants for rapid screening and management of hyperglycemia in pregnancy.
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Affiliation(s)
- Safiness Simon Msollo
- Department of Food Biotechnology and Nutritional Sciences in School of Life Sciences, Nelson Mandela African Institution of Science and Technology, P. O. Box 477, Arusha, Tanzania. .,Department of Food Technology, Nutrition and Consumer Sciences, Sokoine University of Agriculture, Morogoro, Tanzania.
| | - Haikael David Martin
- Department of Food Biotechnology and Nutritional Sciences in School of Life Sciences, Nelson Mandela African Institution of Science and Technology, P. O. Box 477, Arusha, Tanzania
| | - Akwilina Wendelin Mwanri
- Department of Food Technology, Nutrition and Consumer Sciences, Sokoine University of Agriculture, Morogoro, Tanzania
| | - Pammla Petrucka
- College of Nursing, University of Saskatchewan, Saskatoon, Canada
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Mac-Marcjanek K, Zieleniak A, Zurawska-Klis M, Cypryk K, Wozniak L, Wojcik M. Expression Profile of Diabetes-Related Genes Associated with Leukocyte Sirtuin 1 Overexpression in Gestational Diabetes. Int J Mol Sci 2018; 19:ijms19123826. [PMID: 30513672 PMCID: PMC6321739 DOI: 10.3390/ijms19123826] [Citation(s) in RCA: 8] [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: 09/29/2018] [Revised: 11/26/2018] [Accepted: 11/28/2018] [Indexed: 12/24/2022] Open
Abstract
Although compelling evidence indicates that Sirtuin 1 (SIRT1) plays a prominent role in type 2 diabetes, its relationship with gestational diabetes (GDM) remains elusive. This study was aimed at identifying diabetes-related genes and cellular pathways linked to changes of leukocyte SIRT1 expression at the time of GDM diagnosis. For this purpose, 122 GDM patients were screened for leukocyte SIRT1 expression, and two subgroups were distinguished, namely GDM/SIRT1(↑) (n = 30, p < 0.05) and GDM/SIRT1(↔) (n = 92, p > 0.05), with significant and insignificant changes in leukocyte SIRT1 expression compared to a normal glucose tolerant (NGT) group (n = 41), respectively. PCR array analysis identified 11 diabetes-related genes with at least a ± 2-fold difference in expression in GDM/SIRT1(↑) patients (n = 9) vs. NGT controls (n = 7); in addition, significant differences in the expression of four of the six investigated genes were confirmed between the entire GDM/SIRT1(↑) group and the whole NGT group (p < 0.05). Interestingly, of these four genes, only ACLY expression was found to significantly differ between GDM/SIRT1(↑) and GDM/SIRT1(↔). This study demonstrates that under hyperglycemic conditions, leukocyte SIRT1 overexpression is accompanied by an over-abundance of three transcripts and an under-abundance of another; these four govern related metabolism, inflammation, and transport functions, suggesting that such alterations might represent systemic biological adaptations with a unique ACLY under-expression in GDM/SIRT1(↑) women.
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Affiliation(s)
- Katarzyna Mac-Marcjanek
- Department of Structural Biology, Faculty of Biomedical Sciences and Postgraduate Education, Medical University of Lodz, 90-752 Lodz, Poland.
| | - Andrzej Zieleniak
- Department of Structural Biology, Faculty of Biomedical Sciences and Postgraduate Education, Medical University of Lodz, 90-752 Lodz, Poland.
| | - Monika Zurawska-Klis
- Diabetology and Metabolic Diseases Department, Medical University of Lodz, 92-213 Lodz.
| | - Katarzyna Cypryk
- Diabetology and Metabolic Diseases Department, Medical University of Lodz, 92-213 Lodz.
| | - Lucyna Wozniak
- Department of Structural Biology, Faculty of Biomedical Sciences and Postgraduate Education, Medical University of Lodz, 90-752 Lodz, Poland.
| | - Marzena Wojcik
- Department of Structural Biology, Faculty of Biomedical Sciences and Postgraduate Education, Medical University of Lodz, 90-752 Lodz, Poland.
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Karakulak M, Saygili U, Temur M, Yilmaz Ö, Özün Özbay P, Calan M, Coşar H. Comparison of umbilical cord ghrelin concentrations in full-term pregnant women with or without gestational diabetes. Endocr Res 2017; 42:79-85. [PMID: 27352223 DOI: 10.1080/07435800.2016.1194855] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
PURPOSE Ghrelin is a potent orexigenic peptide hormone secreted from the gastrointestinal tract that plays a crucial role in the regulation of lipids and glucose metabolism. Ghrelin also has links with fetal development and growth. Gestational diabetes mellitus (GDM) causes fetal macrosomia, but there is no available evidence of a relationship between ghrelin levels and birth weight in women with GDM. The purpose of this study is to investigate whether umbilical cord ghrelin concentrations are altered in full-term pregnant women with GDM compared to women without GDM and whether birth weight is correlated with ghrelin levels. MATERIALS AND METHODS Sixty pregnant women with GDM and 64 healthy pregnant women without GDM were included in this cross-sectional study. Blood samples were drawn from the umbilical vein following birth. Ghrelin concentrations were measured using enzyme-linked immunosorbent assay (ELISA). RESULTS Umbilical vein ghrelin levels were decreased in women with GDM (879.6 ± 256.1 vs. 972.2 ± 233.6 pg/ml in women without GDM, p=0.033), whereas birth weights were higher for babies in the GDM than in the non-GDM group (3448 ± 410 vs. 3308 ± 365 gr, respectively, p=0.046). Umbilical ghrelin levels were inversely correlated with birth weight (r=-0.765, p<0.001). Multiple regression analysis revealed that birth weight was independently and negatively associated with umbilical ghrelin levels (β= -2.077, 95% CI=-2.652 to -1.492, p=0.002). CONCLUSIONS Umbilical ghrelin levels were lower in GDM women. Birth weight was inversely associated with umbilical ghrelin levels. This association may be explained by a negative feedback mechanism between ghrelin and birth weight.
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Affiliation(s)
- Murat Karakulak
- a Silivri State Hospital , Department of Obstetrics and Gynecology , Istanbul , Turkey
| | - Uğur Saygili
- b Dokuzeylul University Medical School , Department of Obstetrics and Gynecology , Izmir , Turkey
| | - Muzaffer Temur
- c Manisa Merkezefendi Hospital , Department of Obstetrics and Gynecology , Manisa , Turkey
| | - Özgür Yilmaz
- c Manisa Merkezefendi Hospital , Department of Obstetrics and Gynecology , Manisa , Turkey
| | - Pelin Özün Özbay
- d Aydin Obstetrics and Pediatrics Hospital Department of Obstetrics and Gynecology , Aydin , Turkey
| | - Mehmet Calan
- e Izmir Bozyaka Research Hospital , Department of Endocrinology Izmir , Turkey
| | - Hese Coşar
- f M.D. Manisa Merkezefendi Hospital , Department of Pediatrics Division of Neonatology , Manisa , Turkey
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Mohammed OJ, Latif ML, Pratten MK. Diabetes-induced effects on cardiomyocytes in chick embryonic heart micromass and mouse embryonic D3 differentiated stem cells. Reprod Toxicol 2017; 69:242-253. [PMID: 28286266 DOI: 10.1016/j.reprotox.2017.03.006] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2016] [Revised: 03/03/2017] [Accepted: 03/07/2017] [Indexed: 11/16/2022]
Abstract
Diabetes mellitus during pregnancy is a considerable medical challenge, since it is related to augmented morbidity and mortality concerns for both the fetus and the pregnant woman. Records show that the etiology of diabetic embryopathy is complicated, as many teratological factors might be involved in the mechanisms of diabetes mellitus-induced congenital malformation. In this study, the potential cardiotoxic effect of hyperglycemia with hyperketonemia was investigated by using two in vitro models; primary chick embryonic cardiomyocytes and stem cell derived cardiomyocytes, where adverse effects were recorded in both systems. The cells were evaluated by changes in beating activity, cell activity, protein content, ROS production, DNA damage and differentiating stem cell migration. The diabetic formulae used produced an increase in DNA damage and a decline in cell migration in mouse embryonic stem cells. These results provide an additional insight into adverse effects during gestational diabetes mellitus and a recommendation for expectant mothers and maternity staff to monitor glycaemic levels months ahead of conception. This study also supports the recommendation of using antioxidants during pregnancy to prevent DNA damage by the production of ROS, which might result in heart defects as well as other developmental anomalies.
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Affiliation(s)
- Omar J Mohammed
- School of Life Sciences, Faculty of Medicine and Health Sciences, Medical School, University of Nottingham, Nottingham NG7 2UH, United Kingdom
| | - Muhammad Liaque Latif
- School of Life Sciences, Faculty of Medicine and Health Sciences, Medical School, University of Nottingham, Nottingham NG7 2UH, United Kingdom
| | - Margaret K Pratten
- School of Life Sciences, Faculty of Medicine and Health Sciences, Medical School, University of Nottingham, Nottingham NG7 2UH, United Kingdom.
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Wojcik M, Zieleniak A, Zurawska-Klis M, Cypryk K, Wozniak LA. Increased expression of immune-related genes in leukocytes of patients with diagnosed gestational diabetes mellitus (GDM). Exp Biol Med (Maywood) 2015; 241:457-65. [PMID: 26568332 DOI: 10.1177/1535370215615699] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2015] [Accepted: 10/14/2015] [Indexed: 12/16/2022] Open
Abstract
Compelling evidence indicates that the immune system is linked to metabolism in gestational diabetes mellitus (GDM), but factors participating in these processes still are awaiting identification. Inducible nitric oxide synthase, encoded by the NOS2 gene, and surfactant protein D, encoded by the SFTPD gene, have been implicated in diabetes. We investigated NOS2 and SFTPD mRNA levels in leukocytes obtained from 125 pregnant women with (n = 87) or without (control group; n = 38) GDM, and, in turn, correlated their expression with clinical parameters of subjects. Leukocytes were isolated from the blood of pregnant women and NOS2 and SFTPD expression in these cells was determined by quantitative real time PCR (qRT-PCR). Univariate correlation analyses were performed to assess an association between leukocyte NOS2 and SFTPD expression and clinical characteristics of patients. qRT-PCR experiments disclosed significantly increased leukocyte NOS2 and SFTPD mRNA levels in hyperglycemic GDM patients (P < 0.05). In the entire study group, there were significant positive associations of leukocyte NOS2 and SFTPD mRNAs with C-reactive protein. Additionally, transcript level of SFTPD also correlated positively with fasting glycemia and insulin resistance. This study demonstrates that an impaired glucose metabolism in GDM may be predominant predictor of leukocyte NOS2 and SFTPD overexpression in diabetic patients. Furthermore, alterations in the expression of these genes are associated with glucose metabolism dysfunction and/or inflammation during pregnancy. In addition, these findings support the utilization of leukocytes as good experimental model to study a relationship between immune-related genes and metabolic changes in women with GDM, as well as to assess the potential mechanisms underlying these alterations.
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Affiliation(s)
- Marzena Wojcik
- Department of Structural Biology, Faculty of Biomedical Sciences and Postgraduate Education, Medical University of Lodz, 90-752 Lodz, Poland
| | - Andrzej Zieleniak
- Department of Structural Biology, Faculty of Biomedical Sciences and Postgraduate Education, Medical University of Lodz, 90-752 Lodz, Poland
| | - Monika Zurawska-Klis
- Diabetology and Metabolic Diseases Department, Medical University of Lodz, 92-213 Lodz, Poland Diabetological Medical Center "OmniMed", 93-338 Lodz, Poland
| | - Katarzyna Cypryk
- Diabetology and Metabolic Diseases Department, Medical University of Lodz, 92-213 Lodz, Poland Diabetological Medical Center "OmniMed", 93-338 Lodz, Poland
| | - Lucyna Alicja Wozniak
- Department of Structural Biology, Faculty of Biomedical Sciences and Postgraduate Education, Medical University of Lodz, 90-752 Lodz, Poland
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Rudge MVC, Piculo F, Marini G, Damasceno DC, Calderon IMP, Barbosa AP. [Translational research in gestational diabetes mellitus and mild gestational hyperglycemia: current knowledge and our experience]. ACTA ACUST UNITED AC 2014; 57:497-508. [PMID: 24232813 DOI: 10.1590/s0004-27302013000700001] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2013] [Accepted: 05/29/2013] [Indexed: 01/25/2023]
Abstract
Maternal diabetes constitutes an unfavorable environment for fetal-placental and embryonic development. It is has important repercussion in modern obstetrics, since it is associated to an increased risk of neonatal and maternal morbidity, and it still is a significant medical challenge. The increased occurrence of diabetes worldwide, the increase in diabetes type 2 in women at reproductive age and the crossed generation of intrauterine programming for diabetes type 2 are the bases for the growing interest in utilization of diabetic experimental samples, with the aim to acquire knowledge about the mechanisms that induce development alterations in gestational diabetes. Several studies have shown the benefits of diabetes prevention, with interventions in lifestyle, metabolic improvement and control of cardiovascular risk factors to substantially prevent the complications of this devastating disease. Despite these findings, the recent revolution in the scientific knowledge, and the infinite number of new therapies for diabetes, there is still a large gap between what was learned through research and what is really done in public, clinical and community health. The negative economic impact of this complacency in people, families, and national economies is alarming. It is expected that translational research in the binomial diabetes and pregnancy are implemented in centers of excellence, in both basic and applied research, and complemented by multicenter clinical studies, conducted in a pragmatic way to increase the level of scientific evidence with more reliable diagnostic and propaedeutic resources.
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Macaulay S, Dunger DB, Norris SA. Gestational diabetes mellitus in Africa: a systematic review. PLoS One 2014; 9:e97871. [PMID: 24892280 PMCID: PMC4043667 DOI: 10.1371/journal.pone.0097871] [Citation(s) in RCA: 98] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2013] [Accepted: 04/25/2014] [Indexed: 12/15/2022] Open
Abstract
Background Gestational diabetes mellitus (GDM) is any degree of impaired glucose tolerance first recognised during pregnancy. Most women with GDM revert to normal glucose metabolism after delivery of their babies; however, they are at risk of developing type 2 diabetes later in life as are their offspring. Determining a country’s GDM prevalence can assist with policy guidelines regarding GDM screening and management, and can highlight areas requiring research. This systematic review assesses GDM prevalence in Africa. Methods and Findings Three electronic databases were searched without language restrictions; PubMed, Scopus and the Cochrane Library. Thirty-one search terms were searched. Eligible articles defined GDM, stated what GDM screening approaches were employed and reported GDM prevalence. The reporting quality and risk of bias within each study was assessed. The PRISMA guidelines for systematic reviews were followed. The literature search identified 466 unique records. Sixty full text articles were reviewed of which 14 were included in the systematic review. One abstract, for which the full text article could not be obtained, was also included. Information regarding GDM classification, screening methods and prevalence was obtained for six African countries; Ethiopia (n = 1), Morocco (n = 1), Mozambique (n = 1), Nigeria (n = 6), South Africa (n = 4) and Tanzania (n = 1). Prevalence figures ranged from 0% (Tanzania) to 13.9% (Nigeria) with some studies focussing on women with GDM risk factors. Most studies utilised the two hour 75 g oral glucose tolerance test and applied the World Health Organization’s diagnostic criteria. Conclusions Six countries, equating to 11% of the African continent, were represented in this systematic review. This indicates how little is known about GDM in Africa and highlights the need for further research. Considering the increasing public health burden of obesity and type 2 diabetes, it is essential that the extent of GDM is understood in Africa to allow for effective intervention programmes.
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Affiliation(s)
- Shelley Macaulay
- Medical Research Council/Wits Developmental Pathways for Health Research Unit, Department of Paediatrics, University of the Witwatersrand, Johannesburg, South Africa
- * E-mail:
| | - David B. Dunger
- Medical Research Council/Wits Developmental Pathways for Health Research Unit, Department of Paediatrics, University of the Witwatersrand, Johannesburg, South Africa
- Department of Paediatrics, University of Cambridge, Cambridge, United Kingdom
| | - Shane A. Norris
- Medical Research Council/Wits Developmental Pathways for Health Research Unit, Department of Paediatrics, University of the Witwatersrand, Johannesburg, South Africa
- Department of Paediatrics, University of Cambridge, Cambridge, United Kingdom
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Zheng J, Shan PF, Gu W. The efficacy of metformin in pregnant women with polycystic ovary syndrome: a meta-analysis of clinical trials. J Endocrinol Invest 2013; 36:797-802. [PMID: 23580001 DOI: 10.3275/8932] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
OBJECTIVES The role of metformin in the treatment of pregnant women with polycystic ovary syndrome (PCOS) is controversial. Therefore, we evaluated whether the use of metformin during pregnancy in women with PCOS could reduce pregnancy-related complications. RESEARCH DESIGN AND METHODS MEDLINE was searched to retrieve relevant trials. In addition, reviews and reference lists of the retrieved articles were scanned for further appropriate studies. The primary outcome measure was the incidence of complications of pregnancy, which included early pregnancy loss (EPL), gestational diabetes (GDM), pre-eclampsia (PE), and pre-term delivery (PD). RESULTS In total, eight studies with 1106 patients were included. The pooled odds ratio (OR) (95% confidence interval) of outcome for pregnant women with PCOS prescribed metformin were 0.32 (0.19-0.55) for EPL, 0.37 (0.25-0.56) for GDM, 0.53 (0.30-0.95) for PE and 0.30 (0.13-0.68) for PD. CONCLUSIONS Metformin therapy throughout pregnancy decreased the OR of EPL, GDM, PE, and PD in pregnant PCOS women with no serious detrimental side effects.
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Affiliation(s)
- J Zheng
- Department of Endocrinology and Metabolism, the Second Affiliated Hospital ZheJiang University College of Medicine, Hangzhou, 88 Jiefang Rd, Zhejiang 310009, P.R. China
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Abstract
Diabetes mellitus is responsible for nearly 10% of fetal anomalies in diabetic pregnancies. Although aggressive perinatal care and glycemic control are available in developed countries, the birth defect rate in diabetic pregnancies remains higher than that in the general population. Major cellular activities (ie, proliferation and apoptosis) and intracellular metabolic conditions (ie, nitrosative, oxidative, and endoplasmic reticulum stress) have been shown to be associated with diabetic embryopathy using animal models. Translating advances made in animal studies into clinical applications in humans requires collaborative efforts across the basic research, preclinical, and clinical communities.
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Affiliation(s)
- Zhiyong Zhao
- Department of Obstetrics, Gynecology and Reproductive Sciences, University of Maryland School of Medicine, Baltimore, MD 21201, USA.
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Teratogenic effects of diabetic conditions in chick heart in ovo and in micromass culture may be prevented by addition of vitamin C and folic acid. Reprod Toxicol 2013; 35:117-24. [DOI: 10.1016/j.reprotox.2012.10.007] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2012] [Revised: 10/01/2012] [Accepted: 10/13/2012] [Indexed: 12/14/2022]
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Abstract
Diabetic men have benefited in the last 30 years from a significant improvement in total and cardiovascular mortality, whereas diabetic women have had no improvement at all. Moreover, recent research focused on the role of sex hormones in glucose homeostasis, and might account for different pathophysiologic mechanisms in the development of diabetes-related complications. Thus, care of diabetic women is a challenge that requires particular attention. The available data regarding gender-specific care of diabetes mellitus are uneven, rich in some domains but very poor in others. The large prospective trials performed in the last 20 years have assumed that the natural history of diabetes mellitus in men and women, as well as the efficiency of glucose-lowering therapies and management of hyperglycemic-related complications, could be attributable without distinction to men and women. We propose in this paper to analyze the published medical literature according to the specific management of diabetes mellitus in women, and to try to distinguish some particular features. We found important distinctions between diabetic men and women regarding the patterns of abnormalities of glucose regulation, epidemiology, development of diabetes-related complications, ischemic heart disease, morbidity and mortality, impact of cardiovascular risk factors, development of the metabolic syndrome, depression and osteoporosis, as well as the impact of lifestyle modifications or primary and secondary preventions on cardiovascular risk factors, and finally medical therapeutics. Moreover, special considerations were given to some particular aspects of the medical life in diabetic women, such as the features of gestational diabetes mellitus and the management of pregnancy in pregestational diabetic women, use of contraception, hormone-replacement therapy and polycystic ovary syndrome.
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Affiliation(s)
- Auryan Szalat
- Hadassah Hebrew University Hospital, Internal Medicine, Endocrinology and Metabolism, Jerusalem, Israel.
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The relationship between first-trimester haemoglobin a1c and pregnancy loss in women with type 1 diabetes mellitus. ROMANIAN JOURNAL OF DIABETES NUTRITION AND METABOLIC DISEASES 2012. [DOI: 10.2478/v10255-012-0028-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Abstract Background and aims: A precarious glycemic control in the first 10 weeks ofpregnancy, the period defining organogenesis, increases the risk of pregnancy loss.The aim of this study was to estimate the relationship between pregnancy loss andHbA1c values in early pregnancy in type 1 diabetic women.Material and method: The present study included all pregnancies in type 1 diabetic women followed atDiabetes Clinic, Emergency County Clinical Hospital, Timişoara, from 1990-2011.Results: The risk of pregnancy loss was significantly increased compared with thebackground control group. In our study the relative risk of pregancy loss increasedwhen HbA1c exceeded 6.5%. We found a consistent increasing risk with stepwiseincreasing levels of HbA1c. Conclusions: A better glycemic control in this periodand throughout the pregnancy could reduce the risk of severe adverse outcomes intype 1 diabetic pregnancies.
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Yacovino LL, Aleksunes LM. Renal efflux transporter expression in pregnant mice with Type I diabetes. Toxicol Lett 2012; 211:304-11. [PMID: 22531820 DOI: 10.1016/j.toxlet.2012.04.008] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2012] [Revised: 04/04/2012] [Accepted: 04/06/2012] [Indexed: 12/15/2022]
Abstract
Prior research suggests that sex hormones and metabolic changes, such as obesity and hyperglycemia, can alter renal transporter expression in rodents. The purpose of this study was to characterize the expression of kidney efflux transporters and regulatory transcription factors in response to Type I diabetes and pregnancy. Female C57BL/6 mice were treated with multiple low doses of streptozotocin (STZ) to induce hyperglycemia and then mated with normoglycemic male mice. Transporter mRNA and protein expression were quantified in kidneys from vehicle- and STZ-treated non-pregnant and pregnant mice on gestation day 14. Pregnancy decreased the expression of Mdr1b, Mrp4, and 5 proteins and increased the mRNA and protein expression of Mrp3 by 50-60%. STZ treatment elevated Mrp1, 2, 4, and 5 and reduced Mrp3, 6, and Mdr1b mRNA and/or protein in non-pregnant mice. Pregnancy had little effect on STZ-mediated changes in renal efflux transporter expression. Transcriptional profiles of Hnf1α, PXR, AhR, and Nrf2 were altered in patterns similar to some efflux transporters suggesting potential involvement in their regulation. Taken together, these results suggest that renal drug efflux transporters and regulatory signaling pathways are altered by endocrine and metabolic changes that occur during pregnancy and Type I diabetes.
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Affiliation(s)
- Lindsay L Yacovino
- Department of Pharmacology and Toxicology, Rutgers University Ernest Mario School of Pharmacy, 170 Frelinghuysen Rd, Piscataway, NJ 08854, USA
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Lee CL, Chiu PC, Pang PC, Chu IK, Lee KF, Koistinen R, Koistinen H, Seppälä M, Morris HR, Tissot B, Panico M, Dell A, Yeung WS. Glycosylation failure extends to glycoproteins in gestational diabetes mellitus: evidence from reduced α2-6 sialylation and impaired immunomodulatory activities of pregnancy-related glycodelin-A. Diabetes 2011; 60:909-17. [PMID: 21300843 PMCID: PMC3046852 DOI: 10.2337/db10-1186] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
OBJECTIVE Gestational diabetes mellitus (GDM) is a common metabolic disorder of pregnancy. Patients with GDM are at risk for high fetal mortality and gestational complications associated with reduced immune tolerance and abnormal carbohydrate metabolism. Glycodelin-A (GdA) is an abundant decidual glycoprotein with glycosylation-dependent immunomodulatory activities. We hypothesized that aberrant carbohydrate metabolism in GDM was associated with changes in glycosylation of GdA, leading to defective immunomodulatory activities. RESEARCH DESIGN AND METHODS GdA in the amniotic fluid from women with normal (NGdA) and GDM (DGdA) pregnancies was purified by affinity chromatography. Structural analysis of protein glycosylation was preformed by lectin-binding assay and mass spectrometry. Cytotoxicity, cell death, cytokine secretion, and GdA binding of the GdA-treated lymphocytes and natural killer (NK) cells were determined. The sialidase activity in the placental tissue from normal and GDM patients was measured. RESULTS GDM affected the glycosylation but not the protein core of GdA. Specifically, DGdA had a lower abundance of α2-6-sialylated and high-mannose glycans and a higher abundance of glycans with Sda (NeuAcα2-3[GalNAcβ1-4]Gal) epitopes compared with NGdA. DGdA had reduced immuosuppressive activities in terms of cytotoxicity on lymphocytes, inhibitory activities on interleukin (IL)-2 secretion by lymphocytes, stimulatory activities on IL-6 secretion by NK cells, and binding to these cells. Desialylation abolished the immunomodulation and binding of NGdA. Placental sialidase activity was increased in GDM patients, which may account for the reduced sialic acid content of DGdA. CONCLUSIONS Taken together, this study provides the first direct evidence for altered enzymatic glycosylation and impaired bioactivity of GdA in GDM patients.
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Affiliation(s)
- Cheuk-Lun Lee
- Department of Obstetrics and Gynaecology, University of Hong Kong, Hong Kong, China
- Department of Chemistry, University of Hong Kong, Hong Kong, China
- Centre for Reproduction, Development, and Growth, University of Hong Kong, Hong Kong, China
| | - Philip C.N. Chiu
- Department of Obstetrics and Gynaecology, University of Hong Kong, Hong Kong, China
- Centre for Reproduction, Development, and Growth, University of Hong Kong, Hong Kong, China
- Corresponding author: Philip C.N. Chiu,
| | - Poh-Choo Pang
- Division of Molecular Biosciences, Faculty of Natural Sciences, Imperial College London, London, U.K
| | - Ivan K. Chu
- Department of Chemistry, University of Hong Kong, Hong Kong, China
| | - Kai-Fai Lee
- Department of Obstetrics and Gynaecology, University of Hong Kong, Hong Kong, China
- Centre for Reproduction, Development, and Growth, University of Hong Kong, Hong Kong, China
| | - Riitta Koistinen
- Department of Clinical Chemistry, University of Helsinki and Helsinki University Central Hospital, Helsinki, Finland
| | - Hannu Koistinen
- Department of Clinical Chemistry, University of Helsinki and Helsinki University Central Hospital, Helsinki, Finland
| | - Markku Seppälä
- Department of Clinical Chemistry, University of Helsinki and Helsinki University Central Hospital, Helsinki, Finland
| | - Howard R. Morris
- Division of Molecular Biosciences, Faculty of Natural Sciences, Imperial College London, London, U.K
| | - Bérangère Tissot
- Division of Molecular Biosciences, Faculty of Natural Sciences, Imperial College London, London, U.K
| | - Maria Panico
- Division of Molecular Biosciences, Faculty of Natural Sciences, Imperial College London, London, U.K
| | - Anne Dell
- Division of Molecular Biosciences, Faculty of Natural Sciences, Imperial College London, London, U.K
| | - William S.B. Yeung
- Department of Obstetrics and Gynaecology, University of Hong Kong, Hong Kong, China
- Centre for Reproduction, Development, and Growth, University of Hong Kong, Hong Kong, China
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15
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Kiss ACI, Lima PHO, Sinzato YK, Takaku M, Takeno MA, Rudge MVC, Damasceno DC. Animal models for clinical and gestational diabetes: maternal and fetal outcomes. Diabetol Metab Syndr 2009; 1:21. [PMID: 19840387 PMCID: PMC2770456 DOI: 10.1186/1758-5996-1-21] [Citation(s) in RCA: 44] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/04/2009] [Accepted: 10/19/2009] [Indexed: 12/19/2022] Open
Abstract
BACKGROUND Diabetes in pregnant women is associated with an increased risk of maternal and neonatal morbidity and remains a significant medical challenge. Diabetes during pregnancy may be divided into clinical diabetes and gestational diabetes. Experimental models are developed with the purpose of enhancing understanding of the pathophysiological mechanisms of diseases that affect humans. With regard to diabetes in pregnancy, experimental findings from models will lead to the development of treatment strategies to maintain a normal metabolic intrauterine milieu, improving perinatal development by preventing fetal growth restriction or macrosomia. Based on animal models of diabetes during pregnancy previously reported in the medical literature, the present study aimed to compare the impact of streptozotocin-induced severe (glycemia >300 mg/dl) and mild diabetes (glycemia between 120 and 300 mg/dl) on glycemia and maternal reproductive and fetal outcomes of Wistar rats to evaluate whether the animal model reproduces the maternal and perinatal results of clinical and gestational diabetes in humans. METHODS On day 5 of life, 96 female Wistar rats were assigned to three experimental groups: control (n = 16), severe (n = 50) and mild diabetes (n = 30). At day 90 of life, rats were mated. On day 21 of pregnancy, rats were killed and their uterine horns were exposed to count implantation and fetus numbers to determine pre- and post-implantation loss rates. The fetuses were classified according to their birth weight. RESULTS Severe and mild diabetic dams showed different glycemic responses during pregnancy, impairing fetal glycemia and weight, confirming that maternal glycemia is directly associated with fetal development. Newborns from severe diabetic mothers presented growth restriction, but mild diabetic mothers were not associated with an increased rate of macrosomic fetuses. CONCLUSION Experimental models of severe diabetes during pregnancy reproduced maternal and fetal outcomes of pregnant women presenting uncontrolled clinical diabetes. On the other hand, the mild diabetes model caused mild hyperglycemia during pregnancy, although it was not enough to reproduce the increased rate of macrosomic fetuses seen in women with gestational diabetes.
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Affiliation(s)
- Ana CI Kiss
- Laboratory of Experimental Research of Gynecology and Obstetrics, Department of Gynecology and Obstetrics, Botucatu Medical School - São Paulo State University (Unesp), Botucatu, São Paulo, Brazil
| | - Paula HO Lima
- Laboratory of Experimental Research of Gynecology and Obstetrics, Department of Gynecology and Obstetrics, Botucatu Medical School - São Paulo State University (Unesp), Botucatu, São Paulo, Brazil
| | - Yuri K Sinzato
- Laboratory of Experimental Research of Gynecology and Obstetrics, Department of Gynecology and Obstetrics, Botucatu Medical School - São Paulo State University (Unesp), Botucatu, São Paulo, Brazil
| | - Mariana Takaku
- Laboratory of Experimental Research of Gynecology and Obstetrics, Department of Gynecology and Obstetrics, Botucatu Medical School - São Paulo State University (Unesp), Botucatu, São Paulo, Brazil
| | - Marisa A Takeno
- Laboratory of Experimental Research of Gynecology and Obstetrics, Department of Gynecology and Obstetrics, Botucatu Medical School - São Paulo State University (Unesp), Botucatu, São Paulo, Brazil
| | - Marilza VC Rudge
- Laboratory of Experimental Research of Gynecology and Obstetrics, Department of Gynecology and Obstetrics, Botucatu Medical School - São Paulo State University (Unesp), Botucatu, São Paulo, Brazil
| | - Débora C Damasceno
- Laboratory of Experimental Research of Gynecology and Obstetrics, Department of Gynecology and Obstetrics, Botucatu Medical School - São Paulo State University (Unesp), Botucatu, São Paulo, Brazil
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16
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Szalat A, Raz I. Gender-specific care of diabetes mellitus: particular considerations in the management of diabetic women. Diabetes Obes Metab 2008; 10:1135-56. [PMID: 18494812 DOI: 10.1111/j.1463-1326.2008.00896.x] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
In the past 30 years, the all-cause mortality and cardiovascular mortality rates for women with diabetes mellitus (DM), in contrast to men, have not declined. Furthermore, the difference between all-cause mortality rates in women with DM and those without DM has more than doubled. This urgently needs addressing. This review will analyse published medical literature relating to the specific management of DM in women and try to identify areas where gender affects care. We have identified specific gender differences in the pathophysiology of glucose homeostasis disorder, diabetes-related complications and any female gender-specific features of women with diabetes, such as contraception and the menopause. These gender-specific features of DM may offer a route to improved care for women and new therapeutic possibilities.
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Affiliation(s)
- Auryan Szalat
- Department of Endocrinology and Metabolism, Hadassah Hebrew University Hospital, Jerusalem, Israel.
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17
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Marseille-Tremblay C, Ethier-Chiasson M, Forest JC, Giguère Y, Masse A, Mounier C, Lafond J. Impact of maternal circulating cholesterol and gestational diabetes mellitus on lipid metabolism in human term placenta. Mol Reprod Dev 2008; 75:1054-62. [DOI: 10.1002/mrd.20842] [Citation(s) in RCA: 82] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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18
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Toygar HU, Seydaoglu G, Kurklu S, Guzeldemir E, Arpak N. Periodontal Health and Adverse Pregnancy Outcome in 3,576 Turkish Women. J Periodontol 2007; 78:2081-94. [DOI: 10.1902/jop.2007.070092] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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19
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Cetković A, Durović M. [Neonatal outcome in pregnancies complicated with pregestational diabetes mellitus]. VOJNOSANIT PREGL 2007; 64:231-4. [PMID: 17580531 DOI: 10.2298/vsp0704231c] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
Abstract
BACKGROUND/AIM Pregestational diabetes mellitus (PGDM) represents glucose intolerance that begins before pregnancy and is followed by the increased risk of neonatal and maternal complications. The aim of this study was to establish neonatal outcome in pregnancies with pregestational diabetes mellitus and the factors that had influence on it. METHODS This study included 27 pregnant women with insulin-dependant PGDM hospitalized during 2004 in the Institute for Obstretics and Gynecology, Clinical Center of Serbia, Belgrade. The control group consisted of 2 292 healthy pregnant women presented to the Institute within 2004. RESULTS Twenty-three (85%) infants of the women with PGDM had complications in comparison with 356 (15.5%) infants of the women in the control group, that was statistically significant difference (p < 0.001). Macrosomia was present in 8 (29.6%/0) and birth injuries in 6 (22.2%) infants of women with PGDM that was statistically significant difference (p < 0.001) in comparisom with the women in the control group who had 194 (8.5%) infants with macrosomia and 156 (6.8%) infants with birth injuries. The women with PGDM had 3 (11.1%) neonatal deaths and 3 (11.1%) infants were born with congenital malformations in comparison with the women in the control group without these complications. We established statisticaly significant correlation (p < 0.001) between glicoregulation before and during pregnancy in the women with PGDM and neonatal outcome. CONCLUSION The incidence of neonatal morbidity and mortality in the women with PGDM was significantely more frequent as compared with the normal population. Achieving optimal maternal glucose levels in women with PGDM both preconceptionally and during pregnancy is associated with significant reduction of neonatal complications.
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20
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Hummel S, Winkler C, Schoen S, Knopff A, Marienfeld S, Bonifacio E, Ziegler AG. Breastfeeding habits in families with Type 1 diabetes. Diabet Med 2007; 24:671-6. [PMID: 17403118 DOI: 10.1111/j.1464-5491.2007.02148.x] [Citation(s) in RCA: 48] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
AIMS Breastfeeding is acknowledged to be beneficial for child development. Women with diabetes may be more likely not to breastfeed their children because of neonatal morbidity and instability in diabetes control. The aim of this study was to assess the effect of maternal Type 1 diabetes on breastfeeding habits. METHODS Full breastfeeding and any breastfeeding were reported in the first year of life in 1560 children born in Germany between 1989 and 2004. Of those, 997 children had a mother with Type 1 diabetes, and the remaining 563 children had a father or sibling with Type 1 diabetes. RESULTS Fewer children of mothers with Type 1 diabetes were breastfed than children of non-diabetic mothers (77 vs. 86%; P < 0.0001) and, amongst breastfed children, there was a shorter duration of full breastfeeding (12 vs. 17 weeks; P < 0.0001) and any breastfeeding (20 vs. 26 weeks, P < 0.0001) in children of mothers with Type 1 diabetes compared with children of non-diabetic mothers. Other factors associated with reduced frequency and duration of breastfeeding were pre-term delivery (P < 0.0001), young maternal age (P < 0.0001), and firstborn children (P < 0.0001). After stratification for each of these factors, breastfeeding remained significantly less frequent and of less duration in children of mothers with Type 1 diabetes as compared with children of non-diabetic mothers. CONCLUSIONS Mothers with Type 1 diabetes breastfeed their children less than international recommendations. Counselling to increase frequency and duration of breastfeeding may be warranted in this population.
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Affiliation(s)
- S Hummel
- Diabetes Research Institute and Academic Hospital Schwabing, Munich, Germany
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