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Wątroba M, Szewczyk G, Szukiewicz D. The Role of Sirtuin-1 (SIRT1) in the Physiology and Pathophysiology of the Human Placenta. Int J Mol Sci 2023; 24:16210. [PMID: 38003402 PMCID: PMC10671790 DOI: 10.3390/ijms242216210] [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: 10/11/2023] [Revised: 11/04/2023] [Accepted: 11/09/2023] [Indexed: 11/26/2023] Open
Abstract
Sirtuins, especially SIRT1, play a significant role in regulating inflammatory response, autophagy, and cell response to oxidative stress. Since their discovery, sirtuins have been regarded as anti-ageing and longevity-promoting enzymes. Sirtuin-regulated processes seem to participate in the most prevalent placental pathologies, such as pre-eclampsia. Furthermore, more and more research studies indicate that SIRT1 may prevent pre-eclampsia development or at least alleviate its manifestations. Having considered this, we reviewed recent studies on the role of sirtuins, especially SIRT1, in processes determining normal or abnormal development and functioning of the placenta.
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Affiliation(s)
| | | | - Dariusz Szukiewicz
- Department of Biophysics, Physiology & Pathophysiology, Medical University of Warsaw, Chałubinskiego 5, 02-004 Warsaw, Poland; (M.W.); (G.S.)
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Qin Y, Bily D, Aguirre M, Zhang K, Xie L. Understanding PPARγ and Its Agonists on Trophoblast Differentiation and Invasion: Potential Therapeutic Targets for Gestational Diabetes Mellitus and Preeclampsia. Nutrients 2023; 15:nu15112459. [PMID: 37299422 DOI: 10.3390/nu15112459] [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: 04/17/2023] [Revised: 05/16/2023] [Accepted: 05/22/2023] [Indexed: 06/12/2023] Open
Abstract
The increasing incidence of pregnancy complications, particularly gestational diabetes mellitus (GDM) and preeclampsia (PE), is a cause for concern, as they can result in serious health consequences for both mothers and infants. The pathogenesis of these complications is still not fully understood, although it is known that the pathologic placenta plays a crucial role. Studies have shown that PPARγ, a transcription factor involved in glucose and lipid metabolism, may have a critical role in the etiology of these complications. While PPARγ agonists are FDA-approved drugs for Type 2 Diabetes Mellitus, their safety during pregnancy is not yet established. Nevertheless, there is growing evidence for the therapeutic potential of PPARγ in the treatment of PE using mouse models and in cell cultures. This review aims to summarize the current understanding of the mechanism of PPARγ in placental pathophysiology and to explore the possibility of using PPARγ ligands as a treatment option for pregnancy complications. Overall, this topic is of great significance for improving maternal and fetal health outcomes and warrants further investigation.
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Affiliation(s)
- Yushu Qin
- Department of Nutrition, Texas A&M University, College Station, TX 77843, USA
| | - Donalyn Bily
- Department of Nutrition, Texas A&M University, College Station, TX 77843, USA
- Department of Biology, Texas A&M University, College Station, TX 77843, USA
| | - Makayla Aguirre
- Department of Nutrition, Texas A&M University, College Station, TX 77843, USA
| | - Ke Zhang
- Department of Nutrition, Texas A&M University, College Station, TX 77843, USA
- Institute of Biosciences and Technology, Texas A&M University, Houston, TX 77030, USA
| | - Linglin Xie
- Department of Nutrition, Texas A&M University, College Station, TX 77843, USA
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PPARγ-A Factor Linking Metabolically Unhealthy Obesity with Placental Pathologies. Int J Mol Sci 2021; 22:ijms222313167. [PMID: 34884974 PMCID: PMC8658556 DOI: 10.3390/ijms222313167] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2021] [Revised: 11/21/2021] [Accepted: 12/01/2021] [Indexed: 01/12/2023] Open
Abstract
Obesity is a known factor in the development of preeclampsia. This paper links adipose tissue pathologies with aberrant placental development and the resulting preeclampsia. PPARγ, a transcription factor from the ligand-activated nuclear hormone receptor family, appears to be one common aspect of both pathologies. It is the master regulator of adipogenesis in humans. At the same time, its aberrantly low activity has been observed in placental pathologies. Overweight and obesity are very serious health problems worldwide. They have negative effects on the overall mortality rate. Very importantly, they are also conducive to diseases linked to impaired placental development, including preeclampsia. More and more people in Europe are suffering from overweight (35.2%) and obesity (16%) (EUROSTAT 2021 data), some of them young women planning pregnancy. As a result, we will be increasingly encountering obese pregnant women with a considerable risk of placental development disorders, including preeclampsia. An appreciation of the mechanisms shared by these two conditions may assist in their prevention and treatment. Clearly, it should not be forgotten that health education concerning the need for a proper diet and physical activity is of utmost importance here.
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Wang Y, Luo B, Xiang J. The association between soy intake and risk of gestational diabetes mellitus: a prospective cohort study. BMC Pregnancy Childbirth 2021; 21:695. [PMID: 34645422 PMCID: PMC8513326 DOI: 10.1186/s12884-021-04175-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2021] [Accepted: 09/30/2021] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND The association between soy intake and adverse pregnancy outcomes remains unclear. The objectives of this study were to investigate the soy consumption of pregnant women in the second trimester and explore the prospective association between soy intake and the risk of adverse pregnancy outcomes. METHODS Pregnant women between 13 and 24 weeks of gestation were recruited at a women's and children's hospital in southwest China from June to December 2019. Dietary intakes in the middle trimester were assessed by a semi-quantitative food frequency questionnaire. Participants were divided into the insufficient group (< 40 g/day) and the control group (≥40 g/day) according to daily soy consumption. Participants were followed up until delivery. Pregnancy outcomes including gestational diabetes mellitus (GDM), cesarean section, and macrosomia were obtained. Multiple logistic regression was used to analyze the association between soy intake and risk of adverse pregnancy outcomes. Sociodemographic information, histories of diseases, and duration of physical activities were obtained and used for covariate adjustments. RESULTS A total of 224 participants were included in this study, of which identified 36 (16.1%) cases of GDM, and 120 (53.6%) cases of cesarean section. More than half (125, 55.8%) pregnant women consumed less soy than 40 g/day. Daily soy intake less than 40 g was associated with the increased risk of GDM (OR = 2.755 95%CI 1.230-6.174, P = 0.014) and cesarean section (OR = 1.792 95%CI 1.035-3.101, P = 0.037) without adjustment for confounders such as age, pre-pregnancy body mass index, parity, daily intake of vegetables, fruits, seafood and, nuts. After adjusting for these factors, daily soy intake of less than 40 g increased 2.116-fold risk of GDM (95%CI 1.228-7.907, P = 0.017), but not with the significantly increased risk of cesarean section. CONCLUSION Insufficient soy intake may increase the risk of GDM, suggesting adequate soy intake may have a beneficial role in the prevention of GDM. TRIAL REGISTRATION Registration number: ChiCTR1900023721 . Date of registration: June 9, 2019.
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Affiliation(s)
- Yan Wang
- West China School of Nursing/Key Laboratory of Birth Defects and Related Diseases of Women and Children (Sichuan University), Ministry of Education, Sichuan University, Chengdu, 610041, China
| | - Biru Luo
- Department of Nursing, West China Second University Hospital/West China School of Nursing, Sichuan University, Chengdu, 610041, China.
- Key Laboratory of Birth Defects and Related Diseases of Women and Children (Sichuan University), Ministry of Education, Chengdu, 610041, China.
| | - Jie Xiang
- Department of Nursing, West China Second University Hospital/West China School of Nursing, Sichuan University, Chengdu, 610041, China.
- Key Laboratory of Birth Defects and Related Diseases of Women and Children (Sichuan University), Ministry of Education, Chengdu, 610041, China.
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Yu X, Liu Z, Fang J, Qi H. miR-96-5p: A potential diagnostic marker for gestational diabetes mellitus. Medicine (Baltimore) 2021; 100:e25808. [PMID: 34032694 PMCID: PMC8154478 DOI: 10.1097/md.0000000000025808] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/13/2020] [Accepted: 04/15/2021] [Indexed: 11/26/2022] Open
Abstract
MicroRNAs play important roles in gestational diabetes mellitus (GDM), and this study aimed to elucidate the clinical significance of miR-96-5p in diagnosing GDM.There are 123 pregnant women diagnosed with GDM and 123 healthy pregnant women were enrolled as control participants. Placenta and plasma samples from the patients and control participants were collected, and quantitative reverse transcription polymerase chain reaction (RT-qPCR) was performed to determine miR-96-5p expression levels. Moreover, a receiver operating characteristic (ROC) curve was established to evaluate the significance of miR-96-5p in diagnosing GDM. HRT-8/SVneo trophoblasts were cultured under high glucose conditions and treated with miR-96-5p mimics, and cell viability was examined.miR-96-5p levels were significantly decreased in both the placenta and plasma samples of patients with GDM. The ROC curve indicated that miR-96-5p can serve as a diagnostic biomarker for GDM with high sensitivity and specificity. Moreover, miR-96-5p levels were markedly low under high glucose conditions, and the overexpression of miR-96-5p increased the viability, respectively, of trophoblasts in vitro.miR-96-5p may participate in the pathogenesis of GDM by exerting effects on the viability of trophoblasts.
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Cell Type- and Sex-Specific Dysregulation of Thyroid Hormone Receptors in Placentas in Gestational Diabetes Mellitus. Int J Mol Sci 2020; 21:ijms21114056. [PMID: 32517091 PMCID: PMC7313460 DOI: 10.3390/ijms21114056] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2020] [Revised: 05/29/2020] [Accepted: 06/03/2020] [Indexed: 02/08/2023] Open
Abstract
Thyroid hormones are essential for development of trophoblasts and the fetus. They also regulate a wide range of metabolic processes. We investigated the influence of maternal gestational diabetes mellitus (GDM) on thyroid hormone receptor (THR) isoforms THRα1, THRα2, THRβ1 and THRβ2 of the human placenta in a sex- and cell-type specific manner. Term placental tissue was obtained from women with (n = 40) or without GDM (control; n = 40). THRs levels were measured by semi-quantitative immunohistochemistry and real-time qRT-PCR. We localized THR immunostaining in syncytiotrophoblast (SCT), which was the tissue with the strongest signal. Double immunofluorescence identified THR in decidual cells in the stroma and in extravillous cytotrophoblasts. GDM did not change THRα1 immunolabelling intensity in decidua, but was associated with a stronger immunolabelling in SCT compared to GDM (p < 0.05). The SCT difference of GDM vs. control was strongest (p < 0.01) in female placentas. THRα2 was only weakly present and immunolabelling was weaker (p < 0.05) in SCT of only male GDM placentas in comparison to male controls. THRβ1/β2 immunostaining was weak in all cell types without changes in GDM. However, more THRβ1/2 protein was present (p < 0.001) in male than female placentas. All these protein changes were paralleled by changes of THR transcript levels. The data show that THR are expressed in term trophoblast in relation to fetal sex. Maternal GDM influences predominantly THRα1 in SCT, with the strongest GDM effect in SCT of female placentas.
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Permadi W, Mantilidewi KI, Khairani AF, Lantika UA, Ronosulistyo AR, Bayuaji H. Differences in expression of Peroxisome Proliferator-activated Receptor-γ in early-onset preeclampsia and late-onset preeclampsia. BMC Res Notes 2020; 13:181. [PMID: 32216842 PMCID: PMC7099806 DOI: 10.1186/s13104-020-05029-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2020] [Accepted: 03/17/2020] [Indexed: 01/08/2023] Open
Abstract
Objective PPARγ is a ligand-binding transcription factor that has been reported to be implicated in lipid metabolism, immune function, and cellular growth and differentiation. It has been suspected to play a role in the pathophysiology of preeclampsia, although the mechanism is yet to be elaborated. This study aims to investigate the expression of PPARγ in early onset preeclampsia (EOPE), late onset preeclampsia (LOPE), and normal pregnancy. We conducted this study using primary trophoblastic cell culture incubated with serum from EOPE, LOPE, and normal pregnancy. The expression of PPARγ in these cells was analyzed using Western Blot. Statistical analysis was performed using one-way ANOVA and Bonferroni’s post hoc test. p < 0.05 is considered significant. Results Serum from normal pregnant women and EOPE did not induce any difference in the expression of PPAR-γ (p > 0.05). In contrast, expression of PPAR-γ was increased in those cells induced by serum from LOPE (p < 0.001). Therefore, we conclude that hypothetically PPAR-γ might play role in the pathophysiology of LOPE but not in EOPE. Other possibility is the activity of PPAR-γ in EOPE is inversely correlated with its expression, therefore the high enzymatic activity of PPAR-γ is tightly regulated by attenuating its expression.
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Affiliation(s)
- W Permadi
- Department of Obstetrics and Gynecology, Faculty of Medicine, Universitas Padjadjaran-Dr. Hasan Sadikin Hospital, Jl. Pasteur No. 38, Bandung, 40161, West Java, Indonesia
| | - K I Mantilidewi
- Department of Obstetrics and Gynecology, Faculty of Medicine, Universitas Padjadjaran-Dr. Hasan Sadikin Hospital, Jl. Pasteur No. 38, Bandung, 40161, West Java, Indonesia.
| | - A F Khairani
- Division of Cell Biology, Department of Biomedical Sciences, Faculty of Medicine, Universitas Padjadjaran, Bandung, Indonesia.,Oncology and Stem Cell Working Group, Faculty of Medicine, Universitas Padjadjaran, Bandung, Indonesia
| | - U A Lantika
- Department of Histology and Medical Biology, Faculty of Medicine, Bandung Islamic University, Jl. Tamansari No.22, Bandung, 40116, West Java, Indonesia
| | - A R Ronosulistyo
- Department of Obstetrics and Gynecology, Faculty of Medicine, Universitas Padjadjaran-Dr. Hasan Sadikin Hospital, Jl. Pasteur No. 38, Bandung, 40161, West Java, Indonesia
| | - H Bayuaji
- Department of Obstetrics and Gynecology, Faculty of Medicine, Universitas Padjadjaran-Dr. Hasan Sadikin Hospital, Jl. Pasteur No. 38, Bandung, 40161, West Java, Indonesia
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Zhang Z, Zhang HY, Zhang Y, Li H. Inactivation of the Ras/MAPK/PPARγ signaling axis alleviates diabetic mellitus-induced erectile dysfunction through suppression of corpus cavernosal endothelial cell apoptosis by inhibiting HMGCS2 expression. Endocrine 2019; 63:615-631. [PMID: 30460485 DOI: 10.1007/s12020-018-1810-2] [Citation(s) in RCA: 15] [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: 05/23/2018] [Accepted: 10/30/2018] [Indexed: 01/30/2023]
Abstract
PURPOSE Diabetic mellitus-induced erectile dysfunction (DMED) represents a significant complication associated with diabetes mellitus (DM) that greatly affects human life quality. Various reports have highlighted the involvement of mitochondrial 3-hydroxy-3-methylglutaryl-CoA synthase 2 (HMGCS2) in the regulation of mitochondrial fatty acid oxidation, which has also been linked with DM. Through bioinformatics analysis, HMGCS2 was determined to be a novel target among DM patients suffering from erectile dysfunction (ED), and enriched in the Ras/ERK/PPAR signaling axis. Owing to the fact that the key mechanism HMGCS2 involved in DM remains largely unknown, we set out to investigate the role of the Ras/MAPK/PPARγ signaling axis and HMGCS2 in the corpus cavernosal endothelial cells (CCECs) of rats with DMED. METHODS Firstly, bioinformatics analysis was used to screen out differentially expressed genes in DMED. Then, to investigate the influence of the Ras/MAPK/PPARγ signaling axis and HMGCS2 on DMED, a rat model of DMED was established and injected with Simvastatin and si-Hmgcs2. The individual expression patterns of Ras, MAPK, PPARγ and HMGCS2 were determined by RT-qPCR, immunohistochemistry and western blot analysis methods. Afterwards, to investigate the mechanism of Ras/MAPK/PPARγ signaling axis and HMGCS2, CCECs were isolated from DMED rats and transfected with agonists and inhibitors of the Ras/MAPK/PPARγ signaling axis and siRNA of HMGCS2, with their respective functions in apoptosis and impairment of CCECs evaluated using TUNEL staining and flow cytometry. RESULTS Microarray analysis and KEGG pathway enrichment analysis revealed that Ras/ERK/PPAR signaling axis mediated HMGCS2 in DMED. Among the DMED rats, the Ras/MAPK/PPAR signaling axis was also activated while the expression of HMGCS2 was upregulated. The activation of Ras was determined to be capable of upregulating ERK expression which resulted in the inhibition of the transcription of PPARγ and subsequent upregulation of HMGCS2 expression. The inhibited activation of the Ras/ERK/PPAR signaling axis and silencing HMGCS2 were observed to provide an alleviatory effect on the injury of DMED while acting to inhibit the apoptosis of CCECs. CONCLUSION Collectively, the key findings suggested that suppression of the Ras/MAPK/PPARγ signaling axis could downregulate expression of HMGCS2, so as to alleviate DMED. This study defines the potential treatment for DMED through inhibition of the Ras/MAPK/PPARγ signaling axis and silencing HMGCS2.
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Affiliation(s)
- Zhuo Zhang
- Department of Urology, China-Japan Union Hospital of Jilin University, 130000, Changchun, P.R. China
| | - Hai-Yan Zhang
- Department of Gastrointestinal Surgery, China-Japan Union Hospital of Jilin University, 130000, Changchun, P.R. China
| | - Ying Zhang
- Department of Pathology, China-Japan Union Hospital of Jilin University, 130000, Changchun, P.R. China
| | - Hai Li
- Department of Urology, China-Japan Union Hospital of Jilin University, 130000, Changchun, P.R. China.
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Kolben TM, Rogatsch E, Vattai A, Hester A, Kuhn C, Schmoeckel E, Mahner S, Jeschke U, Kolben T. PPARγ Expression Is Diminished in Macrophages of Recurrent Miscarriage Placentas. Int J Mol Sci 2018; 19:ijms19071872. [PMID: 29949879 PMCID: PMC6073463 DOI: 10.3390/ijms19071872] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2018] [Revised: 06/18/2018] [Accepted: 06/19/2018] [Indexed: 12/13/2022] Open
Abstract
PPARγ belongs to the group of nuclear receptors which is expressed in the trophoblast and together with other factors is responsible for the maintenance of pregnancy. Apart from that PPARγ is also a main factor for macrophage polarization. The aim of this study was to investigate the combined expression pattern and frequency of PPARγ under physiological circumstances and in spontaneous and recurrent miscarriages in the trophoblast and in maternal macrophages of the decidua. Human placental tissues of the first trimester (15 physiologic pregnancies, 15 spontaneous abortion and 16 recurrent miscarriage placentas) were analyzed for expression of the nuclear receptor PPARγ. Expression changes were evaluated by immunohistochemistry and real time PCR (RT-PCR) in trophoblast and in maternal macrophages of the decidua. Maternal macrophages were identified by double immunofluorescence using cluster of differentiation 68 (CD68) as marker for macrophages and further characterized regarding their M1/M2 polarization status. The intermediate villous trophoblast revealed a significantly lower PPARγ expression in spontaneous and recurrent abortion. Maternal macrophages express PPARγ. Their number is significantly enhanced in the decidua of spontaneous miscarriages whereas in recurrent miscarriages maternal macrophages seem to express PPARγ only in very few cases. PPARγ is associated with an M2 polarization state that is common for decidual macrophages. The lack of PPARγ in recurrent miscarriage decidual macrophages seems to be associated with a specific inflammatory response against the fetus.
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Affiliation(s)
- Theresa Maria Kolben
- Department of Obstetrics and Gynecology, University Hospital, LMU Munich, Marchioninistr. 15, 81377 Munich, Germany.
| | - Elisabeth Rogatsch
- Department of Obstetrics and Gynecology, University Hospital, LMU Munich, Marchioninistr. 15, 81377 Munich, Germany.
| | - Aurelia Vattai
- Department of Obstetrics and Gynecology, University Hospital, LMU Munich, Marchioninistr. 15, 81377 Munich, Germany.
| | - Anna Hester
- Department of Obstetrics and Gynecology, University Hospital, LMU Munich, Marchioninistr. 15, 81377 Munich, Germany.
| | - Christina Kuhn
- Department of Obstetrics and Gynecology, University Hospital, LMU Munich, Marchioninistr. 15, 81377 Munich, Germany.
| | - Elisa Schmoeckel
- Department of Pathology, LMU Munich, Marchioninistr. 27, 81377 Munich, Germany.
| | - Sven Mahner
- Department of Obstetrics and Gynecology, University Hospital, LMU Munich, Marchioninistr. 15, 81377 Munich, Germany.
| | - Udo Jeschke
- Department of Obstetrics and Gynecology, University Hospital, LMU Munich, Marchioninistr. 15, 81377 Munich, Germany.
| | - Thomas Kolben
- Department of Obstetrics and Gynecology, University Hospital, LMU Munich, Marchioninistr. 15, 81377 Munich, Germany.
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The Prostaglandin EP3 Receptor Is an Independent Negative Prognostic Factor for Cervical Cancer Patients. Int J Mol Sci 2017; 18:ijms18071571. [PMID: 28753926 PMCID: PMC5536059 DOI: 10.3390/ijms18071571] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2017] [Revised: 07/12/2017] [Accepted: 07/13/2017] [Indexed: 01/01/2023] Open
Abstract
We know that one of the main risk factors for cervical cancer is an infection with high-risk human papillomavirus (HR-HPV). Prostaglandins and their receptors are very important for the tumour growth and tumour-associated angiogenesis. Little is known about the expression of the Prostaglandin E receptor type 3 (EP3) or the Prostaglandin (PG)E2-EP3 signalling in cervical cancer, so the aim of the study was to analyse the expression of the EP3 receptor in cervical cancer and find prognostic factors in relation to survival; EP3 immunohistological staining of 250 cervical cancer slides was performed and analysed with a semi-quantitative score. The statistical evaluation was performed with Statistical Package for the Social Sciences (SPSS) to evaluate the staining results and the survival analyses of the cervical cancer cases. A significant difference was observed in EP3 expression in Fédération Internationale de Gynécologie et d’Obstétrique (FIGO) stadium I versus FIGO stadium II–IV cases. High expression of EP3 (IRS ≥ 1.5) in cervical cancer patients was correlated with poor prognosis in overall survival rates. Survival in adenocarcinoma (AC) of the cervix was lower than in squamous cell carcinoma (SCC). Cox regression analysis shows that EP3 is an independent prognosticator. In this study we could show that the membrane-bound prostaglandin receptor EP3 is an independent prognosticator for cervical cancer patient survival. Targeting the EP3 receptor seems to be an interesting candidate for endocrine therapy. Therefore, more research is needed on the influence of the receptor system and its influence on cervical cancer growth.
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Heidarzadeh Z, Samimi M, Seifati SM, Ashkezari MD, Ahmadi S, Mahmoodi S, Aghadavod E, Jamilian M, Asemi Z. The Effect of Zinc Supplementation on Expressed Levels of Peroxisome Proliferator-Activated Receptor Gamma and Glucose Transporter Type 1 Genes in Newborns of Women with Gestational Diabetes Mellitus. Biol Trace Elem Res 2017; 175:271-277. [PMID: 27334434 DOI: 10.1007/s12011-016-0788-y] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/10/2016] [Accepted: 06/15/2016] [Indexed: 11/26/2022]
Abstract
The current study was designed to determine the beneficial effects of zinc supplementation on expressed levels of peroxisome proliferator-activated receptor gamma (PPAR-γ) and glucose transporter type 1 (GLUT1) genes in newborns of women with gestational diabetes mellitus (GDM). This randomized, double-blind, placebo-controlled clinical trial was performed among 40 women with GDM. Patients were randomly allocated to intake either 233 mg zinc gluconate (containing 30 mg zinc) (n = 20) or a placebo (n = 20) for 6 weeks. PPAR-γ and GLUT1 mRNA levels were quantified in umbilical cord blood of newborns of women with GDM. After 6 weeks of intervention, the change in serum zinc levels was greater in women consuming zinc than in the placebo group (+11.1 ± 13.4 vs. -4.8 ± 17.3 mg/dL, P = 0.002). Quantitative results of RT-PCR demonstrated that compared with the placebo, zinc supplementation resulted in a significant increase of expressed levels of PPAR-γ mRNA (P < 0.001) and GLUT1 mRNA (P < 0.001) in umbilical cord blood of newborns of women with GDM. Taken together, the current study demonstrated that zinc supplementation for 6 weeks among GDM women increased the mRNA levels of PPAR-γ and GLUT1 in their newborns compared with the placebo group.
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Affiliation(s)
- Zahra Heidarzadeh
- Department of Biology, Ashkezar Branch, Islamic Azad University, Ashkezar, Yazd, Iran
| | - Mansooreh Samimi
- Department of Gynecology and Obstetrics, School of Medicine, Kashan University of Medical Sciences, Kashan, Iran.
| | - Seyed Morteza Seifati
- Department of Biology, Ashkezar Branch, Islamic Azad University, Ashkezar, Yazd, Iran
| | | | - Shahnaz Ahmadi
- Department of Gynecology and Obstetrics, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
- Department of Gynecology and Obstetrics, School of Medicine, Bushehr University of Medical Sciences, Bushehr, Iran
| | - Samaneh Mahmoodi
- Department of Gynecology and Obstetrics, School of Medicine, Kashan University of Medical Sciences, Kashan, Iran
| | - Esmat Aghadavod
- Research Center for Biochemistry and Nutrition in Metabolic Diseases, Kashan University of Medical Sciences, Kashan, Iran
| | - Mehri Jamilian
- Department of Gynecology and Obstetrics, Endocrinology and Metabolism Research Center, School of Medicine, Arak University of Medical Sciences, Arak, Iran
| | - Zatollah Asemi
- Research Center for Biochemistry and Nutrition in Metabolic Diseases, Kashan University of Medical Sciences, Kashan, Iran.
- Present address: Department of Nutrition, Kashan University of Medical Sciences, Kashan, Iran.
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Lendvai Á, Deutsch MJ, Plösch T, Ensenauer R. The peroxisome proliferator-activated receptors under epigenetic control in placental metabolism and fetal development. Am J Physiol Endocrinol Metab 2016; 310:E797-810. [PMID: 26860983 DOI: 10.1152/ajpendo.00372.2015] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/17/2015] [Accepted: 02/02/2016] [Indexed: 01/09/2023]
Abstract
The placental metabolism can adapt to the environment throughout pregnancy to both the demands of the fetus and the signals from the mother. Such adaption processes include epigenetic mechanisms, which alter gene expression and may influence the offspring's health. These mechanisms are linked to the diversity of prenatal environmental exposures, including maternal under- or overnutrition or gestational diabetes. The peroxisome proliferator-activated receptors (PPARs) are nuclear receptors that contribute to the developmental plasticity of the placenta by regulating lipid and glucose metabolism pathways, including lipogenesis, steroidogenesis, glucose transporters, and placental signaling pathways, thus representing a link between energy metabolism and reproduction. Among the PPAR isoforms, PPARγ appears to be the main modulator of mammalian placentation. Certain fatty acids and lipid-derived moieties are the natural activating PPAR ligands. By controlling the amounts of maternal nutrients that go across to the fetus, the PPARs play an important regulatory role in placenta metabolism, thereby adapting to the maternal nutritional status. As demonstrated in animal studies, maternal nutrition during gestation can exert long-term influences on the PPAR methylation pattern in offspring organs. This review underlines the current state of knowledge on the relationship between environmental factors and the epigenetic regulation of the PPARs in placenta metabolism and offspring development.
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Affiliation(s)
- Ágnes Lendvai
- Center for Liver, Digestive, and Metabolic Diseases, Department of Pediatrics, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Manuel J Deutsch
- Research Center, Dr. von Hauner Children's Hospital, Ludwig-Maximilians-Universität München, Munich, Germany
| | - Torsten Plösch
- Department of Obstetrics and Gynecology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands;
| | - Regina Ensenauer
- Research Center, Dr. von Hauner Children's Hospital, Ludwig-Maximilians-Universität München, Munich, Germany; Experimental Pediatrics, Department of General Pediatrics, Pediatric Cardiology, and Neonatology, Heinrich-Heine-University Düsseldorf, Dusseldorf, Germany
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Knabl J, Hiden U, Hüttenbrenner R, Riedel C, Hutter S, Kirn V, Günthner-Biller M, Desoye G, Kainer F, Jeschke U. GDM Alters Expression of Placental Estrogen Receptor α in a Cell Type and Gender-Specific Manner. Reprod Sci 2015; 22:1488-95. [PMID: 25947892 DOI: 10.1177/1933719115585147] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
OBJECTIVE The nuclear receptor estrogen receptor α (ERα) is one of the key players in energy balance, insulin resistance, and trophoblast differentiation. We tested the hypothesis that gestational diabetes mellitus (GDM) alters expression of placental ERα in a cell type-specific manner and that this regulation may involve epigenetic changes. STUDY DESIGN Expression of ERα was analyzed by immunohistochemistry using the semiquantitative immunoreactive score in 80 placentas (40 GDM/40 controls). Quantitative real-time polymerase chain reaction (PCR) measured ERα messenger RNA (mRNA) in decidual tissue. Methylation-specific PCR was performed to analyze cytosine-phosphatidyl-guanine-island methylation of the ERα promoter. RESULTS Expression of ERα protein is upregulated (P = .011) in GDM in extravillous trophoblasts but not in syncytiotrophoblast. Gestational diabetes mellitus downregulated ERα in decidual vessels only in pregnancies with male but not female fetuses. Furthermore, mRNA of the ERα encoding gene estrogen receptor gene 1 (ESR1) was increased (+1.77 fold) in GDM decidua when compared to controls (P = .024). In parallel, the promoter of ESR1 was methylated only in decidua of healthy control individuals but not in GDM. CONCLUSION Gestational diabetes mellitus affects expression of placental ERα in a cell type-dependent way, on epigenetic level. These data link GDM with epigenetic deregulations of ERα expression and open new insights into the intrauterine programming hypothesis of GDM.
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Affiliation(s)
- Julia Knabl
- Department of Obstetrics and Gynecology, Ludwig Maximilians Universität München, Campus Innenstadt, Munich, Germany Klinik Hallerwiese, Department of Obstetrics, Nuremberg, Germany
| | - Ursula Hiden
- Department of Obstetrics and Gynecology, Ludwig Maximilians Universität München, Campus Innenstadt, Munich, Germany Department of Obstetrics and Gynecology, Medical University Graz, Graz, Austria
| | - Rebecca Hüttenbrenner
- Department of Obstetrics and Gynecology, Ludwig Maximilians Universität München, Campus Innenstadt, Munich, Germany
| | - Christina Riedel
- Department of Obstetrics and Gynecology, Ludwig Maximilians Universität München, Campus Innenstadt, Munich, Germany Institut für Soziale Pädiatrie und Jugendmedizin, Ludwig-Maximilians-Universität München, Munich, Gemany
| | - Stefan Hutter
- Department of Obstetrics and Gynecology, Ludwig Maximilians Universität München, Campus Innenstadt, Munich, Germany
| | - Verena Kirn
- Department of Obstetrics and Gynecology, Ludwig Maximilians Universität München, Campus Innenstadt, Munich, Germany Department of Obstetrics and Gynecology, University Hospital of Cologne, Cologne, Germany
| | - Margit Günthner-Biller
- Department of Obstetrics and Gynecology, Ludwig Maximilians Universität München, Campus Innenstadt, Munich, Germany
| | - Gernot Desoye
- Department of Obstetrics and Gynecology, Ludwig Maximilians Universität München, Campus Innenstadt, Munich, Germany Department of Obstetrics and Gynecology, Medical University Graz, Graz, Austria
| | - Franz Kainer
- Department of Obstetrics and Gynecology, Ludwig Maximilians Universität München, Campus Innenstadt, Munich, Germany Klinik Hallerwiese, Department of Obstetrics, Nuremberg, Germany
| | - Udo Jeschke
- Department of Obstetrics and Gynecology, Ludwig Maximilians Universität München, Campus Innenstadt, Munich, Germany
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14
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Knabl J, Hüttenbrenner R, Hutter S, Günthner-Biller M, Riedel C, Hiden U, Kainer F, Desoye G, Jeschke U. Gestational diabetes mellitus upregulates vitamin D receptor in extravillous trophoblasts and fetoplacental endothelial cells. Reprod Sci 2014; 22:358-66. [PMID: 25028176 DOI: 10.1177/1933719114542020] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
OBJECTIVE Gestational diabetes mellitus (GDM) is often accompanied by low maternal vitamin D, that is, calcitriol (1,25[OH]2 vitamin D3), levels. Here, we tested the hypothesis that the placental vitamin D receptor (VDR) is regulated by calcitriol and altered in GDM with distinct changes in different placental cell types. Specifically, we aimed to localize VDR in human term placentas from normal and GDM pregnancies, to quantify its cellular expression and to study in vitro its regulation by its physiological agonist calcitriol. STUDY DESIGN Placental tissue slides of 80 patients (40 with GDM/40 controls) were double stained for VDR and human leukocyte antigen G to identify extravillous trophoblasts (EVTs). Staining intensity was semiquantified. Quantitative real time-polymerase chain reaction and Western blotting measured VDR messenger RNA (mRNA) and protein in decidual tissue. The trophoblast cell line BeWo was used to study in vitro VDR regulation by calcitriol (0.01, 0.1, and 1 nmol/mL). RESULTS Vitamin D receptor protein and mRNA levels are upregulated (P < .05) in EVT (1.8-fold) as well as in placental endothelium (5.8-fold) of patients with GDM. Expression of VDR is regulated by calcitriol in a bimodal manner: high doses (0.1 and 1 nmol/mL) caused downregulation, whereas the low dose (0.01 nmol/mL) resulted in VDR upregulation. CONCLUSION Vitamin D receptor is upregulated in EVT and endothelium of GDM placentas. This could be due to low maternal vitamin D levels in patients with GDM because in vitro low calcitriol doses upregulate VDR in trophoblast cells.
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Affiliation(s)
- Julia Knabl
- Department of Obstetrics and Gynecology, Ludwig-Maximilians-Universität, Munich, Germany
| | - Rebecca Hüttenbrenner
- Department of Obstetrics and Gynecology, Ludwig-Maximilians-Universität, Munich, Germany
| | - Stefan Hutter
- Department of Obstetrics and Gynecology, Ludwig-Maximilians-Universität, Munich, Germany
| | - Maria Günthner-Biller
- Department of Obstetrics and Gynecology, Ludwig-Maximilians-Universität, Munich, Germany
| | - Christina Riedel
- Department of Obstetrics and Gynecology, Ludwig-Maximilians-Universität, Munich, Germany Institut für Soziale Pädiatrie und Jugendmedizin, Ludwig-Maximilians-Universität München, Munich, Germany
| | - Ursula Hiden
- Department of Obstetrics and Gynecology, Ludwig-Maximilians-Universität, Munich, Germany Department of Obstetrics and Gynecology, Medical University Graz, Graz, Austria
| | - Franz Kainer
- Department of Obstetrics and Gynecology, Ludwig-Maximilians-Universität, Munich, Germany
| | - Gernot Desoye
- Department of Obstetrics and Gynecology, Ludwig-Maximilians-Universität, Munich, Germany Department of Obstetrics and Gynecology, Medical University Graz, Graz, Austria
| | - Udo Jeschke
- Department of Obstetrics and Gynecology, Ludwig-Maximilians-Universität, Munich, Germany
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15
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PPAR- γ Regulates Trophoblast Differentiation in the BeWo Cell Model. PPAR Res 2014; 2014:637251. [PMID: 24711815 PMCID: PMC3953466 DOI: 10.1155/2014/637251] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2013] [Revised: 12/27/2013] [Accepted: 01/02/2014] [Indexed: 12/26/2022] Open
Abstract
Common pregnancy complications, such as severe preeclampsia and intrauterine growth restriction, disrupt pregnancy progression and impair maternal and fetal wellbeing. Placentas from such pregnancies exhibit lesions principally within the syncytiotrophoblast (SCT), a layer in direct contact with maternal blood. In humans and mice, glial cell missing-1 (GCM-1) promotes differentiation of underlying cytotrophoblast cells into the outer SCT layer. GCM-1 may be regulated by the transcription factor peroxisome proliferator-activated receptor-gamma (PPAR- γ ); in mice, PPAR- γ promotes labyrinthine trophoblast differentiation via Gcm-1, and, as we previously demonstrated, PPAR- γ activation ameliorates disease features in rat model of preeclampsia. Here, we aimed to characterize the baseline activity of PPAR- γ in the human choriocarcinoma BeWo cell line that mimics SCT formation in vitro and modulate PPAR- γ activity to study its effects on cell proliferation versus differentiation. We report a novel negative autoregulatory mechanism between PPAR- γ activity and expression and show that blocking PPAR- γ activity induces cell proliferation at the expense of differentiation, while these remain unaltered following treatment with the agonist rosiglitazone. Gaining a deeper understanding of the role and activity of PPAR- γ in placental physiology will offer new avenues for the development of secondary prevention and/or treatment options for placentally-mediated pregnancy complications.
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