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Wang Y, Wang Z, Peng Z, Feng L, Tian W, Zhang S, Cao L, Li J, Yang L, Xu Y, Gao Y, Liu J, Yan J, Ma X, Sun W, Guo L, Li X, Shen Y, Qi Z. Cocaine and amphetamine-regulated transcript improves myocardial ischemia-reperfusion injury through PI3K/AKT signalling pathway. Clin Exp Pharmacol Physiol 2024; 51:e13904. [PMID: 38923060 DOI: 10.1111/1440-1681.13904] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2023] [Revised: 04/13/2024] [Accepted: 05/19/2024] [Indexed: 06/28/2024]
Abstract
Myocardial ischemia-reperfusion injury (MIRI) is a common clinic scenario that occurs in the context of reperfusion therapy for acute myocardial infarction. It has been shown that cocaine and amphetamine-regulated transcript (CART) can ameliorate cerebral ischemia-reperfusion (I/R) injury, but the effect of CART on MIRI has not been studied yet. Here, we revealed that CART protected the heart during I/R process by inhibiting apoptosis and excessive autophagy, indicating that CART would be a potential drug candidate for the treatment of MIRI. Further analysis showed that CART upregulated the activation of phospho-AKT, leading to downregulation of lactate dehydrogenase (LDH) release, apoptosis, oxidative stress and excessive autophagy after I/R, which was inhibited by PI3K inhibitor, LY294002. Collectively, CART attenuated MIRI through inhibition of cardiomyocytes apoptosis and excessive autophagy, and the protective effect was dependent on PI3K/AKT signalling pathway.
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Affiliation(s)
- Yachen Wang
- Department of Molecular Pharmacology, School of Medicine, Nankai University, Tianjin, China
- Tianjin Eye Hospital, Tianjin Key Laboratory of Ophthalmology and Visual Science, Tianjin Eye Institute, Tianjin, China
| | - Ziwei Wang
- Department of Molecular Pharmacology, School of Medicine, Nankai University, Tianjin, China
- NanKai University Eye Institute, Tianjin, China
| | - Zeyan Peng
- Department of Molecular Pharmacology, School of Medicine, Nankai University, Tianjin, China
| | - Lifeng Feng
- Department of Molecular Pharmacology, School of Medicine, Nankai University, Tianjin, China
| | - Wencong Tian
- Department of Molecular Pharmacology, School of Medicine, Nankai University, Tianjin, China
- Tianjin Key Laboratory of General Surgery in Construction, Tianjin Union Medical Center, Tianjin, China
| | - Shengzheng Zhang
- Department of Molecular Pharmacology, School of Medicine, Nankai University, Tianjin, China
| | - Lei Cao
- Tianjin Key Laboratory of General Surgery in Construction, Tianjin Union Medical Center, Tianjin, China
| | - Jing Li
- Department of Molecular Pharmacology, School of Medicine, Nankai University, Tianjin, China
| | - Liang Yang
- Department of Molecular Pharmacology, School of Medicine, Nankai University, Tianjin, China
- Tianjin Key Laboratory of General Surgery in Construction, Tianjin Union Medical Center, Tianjin, China
| | - Yang Xu
- Department of Molecular Pharmacology, School of Medicine, Nankai University, Tianjin, China
| | - Yang Gao
- Department of Molecular Pharmacology, School of Medicine, Nankai University, Tianjin, China
- Tianjin Key Laboratory of General Surgery in Construction, Tianjin Union Medical Center, Tianjin, China
| | - Jie Liu
- Department of Molecular Pharmacology, School of Medicine, Nankai University, Tianjin, China
| | - Jie Yan
- Department of Molecular Pharmacology, School of Medicine, Nankai University, Tianjin, China
| | - Xiaodong Ma
- Fifth People's Hospital of Dongying, Shandong, China
| | - Wangchun Sun
- Fifth People's Hospital of Dongying, Shandong, China
| | - Lihong Guo
- Shengli Oilfield Central Hospital Gastrointestinal Disease Research Institute, Shandong, China
| | - Xuan Li
- Tianjin Eye Hospital, Tianjin Key Laboratory of Ophthalmology and Visual Science, Tianjin Eye Institute, Tianjin, China
| | - Yanna Shen
- School of Medical Technology, Tianjin Medical University, Tianjin, China
| | - Zhi Qi
- Department of Molecular Pharmacology, School of Medicine, Nankai University, Tianjin, China
- NanKai University Eye Institute, Tianjin, China
- Tianjin Key Laboratory of General Surgery in Construction, Tianjin Union Medical Center, Tianjin, China
- Shengli Oilfield Central Hospital Gastrointestinal Disease Research Institute, Shandong, China
- Xinjiang Production and Construction Corps Hospital, Xinjiang, China
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Yang C, Zheng H, Amin A, Faheem MS, Duan A, Li L, Xiao P, Li M, Shang J. Follicular Atresia in Buffalo: Cocaine- and Amphetamine-Regulated Transcript (CART) and the Underlying Mechanisms. Animals (Basel) 2024; 14:2138. [PMID: 39123664 PMCID: PMC11311020 DOI: 10.3390/ani14152138] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2024] [Revised: 07/15/2024] [Accepted: 07/18/2024] [Indexed: 08/12/2024] Open
Abstract
Atresia is a process in ovarian follicles that is regulated by hormone-induced apoptosis. During atresia, granulosa cell (GC) apoptosis is a key mechanism orchestrated through diverse signaling pathways. Cocaine- and amphetamine-regulated transcript (CART) signaling within ovarian GCs has been demonstrated to play a key role in the regulation of follicular atresia in cattle, pigs, and sheep. The present work aimed to investigate the potential local regulatory role of CART in GC apoptosis-induced follicular atresia in buffalo, focusing on the modulation of the AKT/GSK3β/β-catenin signaling pathways, which are the intracellular signaling pathways involved in cell viability. Our findings revealed increased expression of CARTPT and BAX and decreased levels of AKT, β-catenin, and CYP19A1 genes in atretic follicles compared to healthy follicles. Subsequently, CART treatment in the presence of FSH inhibited the FSH-induced increase in GC viability by reducing estradiol production and increasing apoptosis. This change was accompanied by an increase in the gene expression levels of both CARTPT and BAX. At the protein level, treatment with CART in the presence of FSH negatively affected the activity of AKT, β-catenin, and LEF1, while the activity of GSK3β was enhanced. In conclusion, our study shows how CART negatively influences buffalo GC viability, underlying the modulation of the AKT/GSK3β/β-catenin pathway and promoting apoptosis-a key factor in follicular atresia.
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Affiliation(s)
- Chunyan Yang
- Guangxi Key Laboratory of Buffalo Genetics, Reproduction and Breeding, Guangxi Buffalo Research Institute, Chinese Academy of Agricultural Sciences, Nanning 530001, China; (H.Z.); (A.A.); (A.D.); (L.L.); (P.X.); (M.L.)
- Key Laboratory of Buffalo Genetics, Breeding and Reproduction Technology, Ministry of Agriculture and Rural Affairs, Nanning 530001, China
| | - Haiying Zheng
- Guangxi Key Laboratory of Buffalo Genetics, Reproduction and Breeding, Guangxi Buffalo Research Institute, Chinese Academy of Agricultural Sciences, Nanning 530001, China; (H.Z.); (A.A.); (A.D.); (L.L.); (P.X.); (M.L.)
- Key Laboratory of Buffalo Genetics, Breeding and Reproduction Technology, Ministry of Agriculture and Rural Affairs, Nanning 530001, China
| | - Ahmed Amin
- Guangxi Key Laboratory of Buffalo Genetics, Reproduction and Breeding, Guangxi Buffalo Research Institute, Chinese Academy of Agricultural Sciences, Nanning 530001, China; (H.Z.); (A.A.); (A.D.); (L.L.); (P.X.); (M.L.)
- Key Laboratory of Buffalo Genetics, Breeding and Reproduction Technology, Ministry of Agriculture and Rural Affairs, Nanning 530001, China
- Animal Production Department, Faculty of Agriculture, Cairo University, Giza 12613, Egypt;
| | - Marwa S. Faheem
- Animal Production Department, Faculty of Agriculture, Cairo University, Giza 12613, Egypt;
| | - Anqin Duan
- Guangxi Key Laboratory of Buffalo Genetics, Reproduction and Breeding, Guangxi Buffalo Research Institute, Chinese Academy of Agricultural Sciences, Nanning 530001, China; (H.Z.); (A.A.); (A.D.); (L.L.); (P.X.); (M.L.)
- Key Laboratory of Buffalo Genetics, Breeding and Reproduction Technology, Ministry of Agriculture and Rural Affairs, Nanning 530001, China
| | - Lingyu Li
- Guangxi Key Laboratory of Buffalo Genetics, Reproduction and Breeding, Guangxi Buffalo Research Institute, Chinese Academy of Agricultural Sciences, Nanning 530001, China; (H.Z.); (A.A.); (A.D.); (L.L.); (P.X.); (M.L.)
| | - Peng Xiao
- Guangxi Key Laboratory of Buffalo Genetics, Reproduction and Breeding, Guangxi Buffalo Research Institute, Chinese Academy of Agricultural Sciences, Nanning 530001, China; (H.Z.); (A.A.); (A.D.); (L.L.); (P.X.); (M.L.)
- Key Laboratory of Buffalo Genetics, Breeding and Reproduction Technology, Ministry of Agriculture and Rural Affairs, Nanning 530001, China
| | - Mengqi Li
- Guangxi Key Laboratory of Buffalo Genetics, Reproduction and Breeding, Guangxi Buffalo Research Institute, Chinese Academy of Agricultural Sciences, Nanning 530001, China; (H.Z.); (A.A.); (A.D.); (L.L.); (P.X.); (M.L.)
- Key Laboratory of Buffalo Genetics, Breeding and Reproduction Technology, Ministry of Agriculture and Rural Affairs, Nanning 530001, China
| | - Jianghua Shang
- Guangxi Key Laboratory of Buffalo Genetics, Reproduction and Breeding, Guangxi Buffalo Research Institute, Chinese Academy of Agricultural Sciences, Nanning 530001, China; (H.Z.); (A.A.); (A.D.); (L.L.); (P.X.); (M.L.)
- Key Laboratory of Buffalo Genetics, Breeding and Reproduction Technology, Ministry of Agriculture and Rural Affairs, Nanning 530001, China
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Sinha N, Lydia Walker G, Sen A. Looking at the Future Through the Mother's Womb: Gestational Diabetes and Offspring Fertility. Endocrinology 2021; 162:6379047. [PMID: 34597389 PMCID: PMC8520322 DOI: 10.1210/endocr/bqab209] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/20/2021] [Indexed: 12/12/2022]
Abstract
Altered nutrition or intrauterine exposure to various adverse conditions during fetal development or earlier in a mother's life can lead to epigenetic changes in fetal tissues, predisposing those tissues to diseases that manifest when offspring become adults. An example is a maternal obesity associated with gestational diabetes (GDM), where fetal exposure to a hyperglycemic, hyperinsulinemic, and/or hyperlipidemic gestational environment can provoke epigenetic changes that predispose offspring to various diseased conditions later in life. While it is now well established that offspring exposed to GDM have an increased risk of developing obesity, metabolic disorders, and/or cardiovascular disease in adult life, there are limited studies assessing the reproductive health of these offspring. This mini-review discusses the long-term effect of in utero exposure to GDM-associated adverse prenatal environment on the reproductive health of the offspring. Moreover, using evidence from various animal models and human epidemiological studies, this review offers molecular insight and understanding of how epigenetic reprogramming of genes culminates in reproductive dysfunction and the development of subfertility or infertility later in adult life.
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Affiliation(s)
- Niharika Sinha
- Reproductive and Developmental Sciences Program, East Lansing, Michigan 48824, USA
- Department of Animal Sciences, Michigan State University, East Lansing, Michigan 48824, USA
| | - Gretchen Lydia Walker
- Reproductive and Developmental Sciences Program, East Lansing, Michigan 48824, USA
- Department of Animal Sciences, Michigan State University, East Lansing, Michigan 48824, USA
| | - Aritro Sen
- Reproductive and Developmental Sciences Program, East Lansing, Michigan 48824, USA
- Department of Animal Sciences, Michigan State University, East Lansing, Michigan 48824, USA
- Correspondence: Aritro Sen, PhD, Reproductive and Developmental Sciences Program, 3013 Interdisciplinary Science & Technology Building, Michigan State University, 766 Service Rd, East Lansing, MI 48824, USA.
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Yang D, Li J, Liang C, Tian L, Shi C, Hui N, Liu Y, Ling M, Xin L, Wan M, Li H, Zhao Q, Ren X, Liu H, Cao W. Syringa microphylla Diels: A comprehensive review of its phytochemical, pharmacological, pharmacokinetic, and toxicological characteristics and an investigation into its potential health benefits. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2021; 93:153770. [PMID: 34678528 DOI: 10.1016/j.phymed.2021.153770] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/25/2021] [Revised: 07/31/2021] [Accepted: 09/20/2021] [Indexed: 06/13/2023]
Abstract
BACKGROUND Syringa microphylla Diels is a plant in the family Syringa Linn. For hundreds of years, its flowers and leaves have been used as a folk medicine for the treatment of cough, inflammation, colds, sore throat, acute hepatitis, chronic hepatitis, early liver cirrhosis, fatty liver, and oesophageal cancer. PURPOSE For the first time, we have comprehensively reviewed information on Syringa microphylla Diels that is not included in the Pharmacopoeia, clarified the pharmacological mechanisms of Syringa microphylla Diels and its active ingredients from a molecular biology perspective, compiled in vivo and in vitro animal experimental data and clinical data, and summarized the toxicology and pharmacokinetics of Syringa microphylla Diels. The progress in toxicology research is expected to provide a theoretical basis for the development of new drugs from Syringa microphylla Diels, a natural source of compounds that are potentially beneficial to human health. METHODS The PubMed, Google Scholar, China National Knowledge Infrastructure, Web of Science, SciFinder Scholar and Thomson Reuters databases were utilized to conduct a comprehensive search of published literature as of July 2021 to find original literature related to Syringa microphylla Diels and its active ingredients. RESULTS To date, 72 compounds have been isolated and identified from Syringa microphylla Diels, and oleuropein, verbascoside, isoacteoside, echinacoside, forsythoside B, and eleutheroside B are the main active components. These compounds have antioxidant, antibacterial, anti-inflammatory, and neuroprotective effects, and their safety and effectiveness have been demonstrated in long-term traditional applications. Molecular pharmacology experiments have indicated that the active ingredients of Syringa microphylla Diels exert their pharmacological effects in various ways, primarily by reducing oxidative stress damage via Nrf2/ARE pathway regulation, regulating inflammatory factors and inducing apoptosis through the MAPK and NF-κB pathways. CONCLUSION This comprehensive review of Syringa microphylla Diels provides new insights into the correlations among molecular mechanisms, the importance of toxicology and pharmacokinetics, and potential ways to address the limitations of current research. As Syringa microphylla Diels is a natural low-toxicity botanical medicine, it is worthy of development and utilization and is an excellent choice for treating various diseases.
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Affiliation(s)
- Dan Yang
- School of Food and Bioengineering, Shaanxi University of Science & Technology, Xi'an 710021, PR China
| | - Jingyi Li
- School of Food and Bioengineering, Shaanxi University of Science & Technology, Xi'an 710021, PR China
| | - Chengyuan Liang
- School of Food and Bioengineering, Shaanxi University of Science & Technology, Xi'an 710021, PR China.
| | - Lei Tian
- School of Food and Bioengineering, Shaanxi University of Science & Technology, Xi'an 710021, PR China; College of Bioresources Chemical and Materials Engineering, Shaanxi University of Science & Technology, Xi'an 710021, PR China
| | - Chunyang Shi
- School of Food and Bioengineering, Shaanxi University of Science & Technology, Xi'an 710021, PR China
| | - Nan Hui
- School of Food and Bioengineering, Shaanxi University of Science & Technology, Xi'an 710021, PR China
| | - Yuan Liu
- School of Food and Bioengineering, Shaanxi University of Science & Technology, Xi'an 710021, PR China
| | - Mei Ling
- School of Food and Bioengineering, Shaanxi University of Science & Technology, Xi'an 710021, PR China
| | - Liang Xin
- School of Food and Bioengineering, Shaanxi University of Science & Technology, Xi'an 710021, PR China
| | - Minge Wan
- School of Medicine and Pharmacy, Shaanxi University of Business & Commerce, Xi'an 712046, PR China
| | - Han Li
- School of Food and Bioengineering, Shaanxi University of Science & Technology, Xi'an 710021, PR China
| | - Qianqian Zhao
- School of Food and Bioengineering, Shaanxi University of Science & Technology, Xi'an 710021, PR China
| | - Xiaodong Ren
- Medical College, Guizhou University, Guiyang 550025, PR China.
| | - Hong Liu
- Zhuhai Jinan Selenium Source Nanotechnology Co., Ltd., Hengqin New Area, Zhuhai 519030, PR China.
| | - Wenqiang Cao
- Zhuhai Jinan Selenium Source Nanotechnology Co., Ltd., Hengqin New Area, Zhuhai 519030, PR China
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Zalecki M, Plywacz A, Antushevich H, Franke-Radowiecka A. Cocaine and Amphetamine Regulated Transcript (CART) Expression Changes in the Stomach Wall Affected by Experimentally Induced Gastric Ulcerations. Int J Mol Sci 2021; 22:ijms22147437. [PMID: 34299057 PMCID: PMC8306657 DOI: 10.3390/ijms22147437] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2021] [Revised: 07/09/2021] [Accepted: 07/10/2021] [Indexed: 12/19/2022] Open
Abstract
Cocaine- and amphetamine-regulated transcript (CART) is a peptide suggested to play a role in gastrointestinal tract tissue reaction to pathology. Gastric ulceration is a common disorder affecting huge number of people, and additionally, it contributes to the loss of pig livestock production. Importantly, ulceration as a focal disruption affecting deeper layers of the stomach wall differs from other gastrointestinal pathologies and should be studied individually. The pig’s gastrointestinal tract, due to its many similarities to the human counterpart, provides a valuable experimental model for studying digestive system pathologies. To date, the role of CART in gastric ulceration and the expression of the gene encoding CART in porcine gastrointestinal tube are completely unknown. Therefore, we aimed to verify the changes in the CART expression by Q-PCR (gene encoding CART in the tissue) and double immunofluorescence staining combined with confocal microscopy (CART immunofluorescence in enteric nervous system) in the porcine stomach tissues adjacent to gastric ulcerations. Surprisingly, we found that gastric ulcer caused a significant decrease in the expression of CART-encoding gene and huge reduction in the percentage of CART-immunofluorescent myenteric perikarya and neuronal fibers located within the circular muscle layer. Our results indicate a unique CART-dependent gastric response to ulcer disease.
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Affiliation(s)
- Michal Zalecki
- Department of Animal Anatomy, Faculty of Veterinary Medicine, University of Warmia and Mazury in Olsztyn, ul. Oczapowskiego 13, 10-719 Olsztyn, Poland; (A.P.); (A.F.-R.)
- Correspondence:
| | - Adrianna Plywacz
- Department of Animal Anatomy, Faculty of Veterinary Medicine, University of Warmia and Mazury in Olsztyn, ul. Oczapowskiego 13, 10-719 Olsztyn, Poland; (A.P.); (A.F.-R.)
| | - Hanna Antushevich
- Department of Genetic Engineering, The Kielanowski Institute of Animal Physiology and Nutrition, Polish Academy of Sciences, ul. Instytucka 3, 05-110 Jabłonna, Poland;
| | - Amelia Franke-Radowiecka
- Department of Animal Anatomy, Faculty of Veterinary Medicine, University of Warmia and Mazury in Olsztyn, ul. Oczapowskiego 13, 10-719 Olsztyn, Poland; (A.P.); (A.F.-R.)
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Chen CY, Chen CR, Chen CN, Wang PS, Mündel T, Liao YH, Tsai SC. Amphetamine-Decreased Progesterone and Estradiol Release in Rat Granulosa Cells: The Regulatory Role of cAMP- and Ca 2+-Mediated Signaling Pathways. Biomedicines 2021; 9:biomedicines9050493. [PMID: 33947083 PMCID: PMC8145484 DOI: 10.3390/biomedicines9050493] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2021] [Revised: 04/23/2021] [Accepted: 04/27/2021] [Indexed: 11/24/2022] Open
Abstract
The purpose of this study is to evaluate the amphetamine effects on progesterone and estradiol production in rat granulosa cells and the underlying cellular regulatory mechanisms. Freshly dispersed rat granulosa cells were cultured with various test drugs in the presence of amphetamine, and the estradiol/progesterone production and the cytosolic cAMP level were measured. Additionally, the cytosolic-free Ca2+ concentrations ([Ca2+]i) were measured to examine the role of Ca2+ influx in the presence of amphetamine. Amphetamine in vitro inhibited both basal and porcine follicle-stimulating hormone-stimulated estradiol/progesterone release, and amphetamine significantly decreased steroidogenic enzyme activities. Adding 8-Bromo-cAMP did not recover the inhibitory effects of amphetamine on progesterone and estradiol release. H89 significantly decreased progesterone and estradiol basal release but failed to enhance a further amphetamine inhibitory effect. Amphetamine was capable of further suppressing the release of estradiol release under the presence of nifedipine. Pretreatment with the amphetamine for 2 h decreased the basal [Ca2+]i and prostaglandin F2α-stimulated increase of [Ca2+]i. Amphetamine inhibits progesterone and estradiol secretion in rat granulosa cells through a mechanism involving decreased PKA-downstream steroidogenic enzyme activity and L-type Ca2+ channels. Our current findings show that it is necessary to study the possibility of amphetamine perturbing reproduction in females.
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Affiliation(s)
- Chung-Yu Chen
- Department of Exercise and Health Sciences, University of Taipei, Taipei City 111, Taiwan;
| | - Chien-Rung Chen
- Department of Nursing, Cardinal Tien Junior College of Healthcare and Management, New Taipei City 231, Taiwan;
| | - Chiao-Nan Chen
- Department of Physical Therapy and Assistive Technology, National Yang Ming Chiao Tung University, Taipei City 112, Taiwan;
| | - Paulus S. Wang
- Department of Physiology, National Yang Ming Chiao Tung University, Taipei City 112, Taiwan;
- Medical Center of Aging Research, China Medical University Hospital, Taichung City 404, Taiwan
- Department of Biotechnology, College of Health Science, Asia University, Taichung City 413, Taiwan
- Department of Medical Research, Taipei Veterans General Hospital, Taipei City 112, Taiwan
| | - Toby Mündel
- School of Sport, Exercise and Nutrition, Massey University, Palmerston North 4442, New Zealand;
| | - Yi-Hung Liao
- Department of Exercise and Health Science, National Taipei University of Nursing and Health Sciences, Taipei City 112, Taiwan
- Correspondence: (Y.-H.L.); (S.-C.T.)
| | - Shiow-Chwen Tsai
- Institute of Sports Sciences, University of Taipei, Taipei City 112, Taiwan
- Correspondence: (Y.-H.L.); (S.-C.T.)
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Sinha N, Biswas A, Nave O, Seger C, Sen A. Gestational Diabetes Epigenetically Reprograms the Cart Promoter in Fetal Ovary, Causing Subfertility in Adult Life. Endocrinology 2019; 160:1684-1700. [PMID: 31150057 DOI: 10.1210/en.2019-00319] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/26/2019] [Accepted: 05/23/2019] [Indexed: 12/26/2022]
Abstract
Intrauterine exposure to various adverse conditions during fetal development can lead to epigenetic changes in fetal tissues, predisposing those tissues to disease conditions later in life. An example is gestational diabetes (GD), where the offspring has a higher risk of developing obesity, metabolic disorders, or cardiovascular disease in adult life. In this study, using two well-established GD (streptozotocin- and high-fat and high-sugar-induced) mouse models, we report that female offspring from GD dams are predisposed toward fertility problems later in life. This predisposition to fertility problems is due to altered ovarian expression of a peptide called cocaine- and amphetamine-regulated transcript (CART), which is known to negatively affect folliculogenesis and is induced by elevated leptin levels. Results show that the underlying cause of this altered expression is due to fetal epigenetic modifications involving glucose- and insulin-induced miRNA, miR-101, and the phosphatidylinositol 3-kinase/Akt pathway. These signaling events regulate Ezh2, a histone methyltransferase that promotes H3K27me3, a gene-repressive mark, and CBP/p300, a histone acetyltransferase that promotes H3K27ac, a transcription activation mark, in the fetal ovary. Moreover, the CART promoter has depleted 5-methylcytosine (5mC) and enriched 5-hydroxymethylcytosine (5hmC) levels. The depletion of H3K27me3 and 5mC repressive marks and subsequent increase in H3K27ac and 5hmC gene-activating marks convert the Cartpt promoter to a "superpromoter." This makes the Cartpt promoter more sensitive to leptin levels that predispose the GD offspring to fertility problems. Therefore, this study provides a mechanistic insight about fetal epigenome reprogramming that manifests to ovarian dysfunction and subfertility later in adult life.
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Affiliation(s)
- Niharika Sinha
- Reproductive and Developmental Sciences Program, Department of Animal Sciences, Michigan State University, East Lansing, Michigan
| | - Anindita Biswas
- Reproductive and Developmental Sciences Program, Department of Animal Sciences, Michigan State University, East Lansing, Michigan
| | - Olivia Nave
- Reproductive and Developmental Sciences Program, Department of Animal Sciences, Michigan State University, East Lansing, Michigan
| | - Christina Seger
- Division of Endocrinology and Metabolism, Department of Medicine, University of Rochester Medical Center, Rochester, New York
| | - Aritro Sen
- Reproductive and Developmental Sciences Program, Department of Animal Sciences, Michigan State University, East Lansing, Michigan
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