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Schilling-Tóth BM, Belcher SM, Knotz J, Ondrašovičová S, Bartha T, Tóth I, Zsarnovszky A, Kiss DS. Temperature-Dependent Sex Determination in Crocodilians and Climate Challenges. Animals (Basel) 2024; 14:2015. [PMID: 38998126 PMCID: PMC11240705 DOI: 10.3390/ani14132015] [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: 05/16/2024] [Revised: 06/13/2024] [Accepted: 07/04/2024] [Indexed: 07/14/2024] Open
Abstract
The sex of crocodilians is determined by the temperature to which the eggs, and hence the developing embryo are exposed during critical periods of development. Temperature-dependent sex determination is a process that occurs in all crocodilians and numerous other reptile taxa. The study of artificial incubation temperatures in different species of crocodiles and alligators has determined the specific temperature ranges that result in altered sex ratios. It has also revealed the precise temperature thresholds at which an equal number of males and females are generated, as well as the specific developmental period during which the sex of the hatchlings may be shifted. This review will examine the molecular basis of the sex-determination mechanism in crocodilians elucidated during recent decades. It will focus on the many patterns and theories associated with this process. Additionally, we will examine the consequences that arise after hatching due to changes in incubation temperatures, as well as the potential benefits and dangers of a changing climate for crocodilians who display sex determination based on temperature.
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Affiliation(s)
- Boglárka Mária Schilling-Tóth
- Department of Physiology and Biochemistry, University of Veterinary Medicine, 1078 Budapest, Hungary; (B.M.S.-T.); (J.K.); (T.B.); (I.T.); (D.S.K.)
| | - Scott M. Belcher
- Department of Biological Sciences, Center for Human Health and the Environment, North Carolina State University, Raleigh, NC 27695, USA;
| | - Josefine Knotz
- Department of Physiology and Biochemistry, University of Veterinary Medicine, 1078 Budapest, Hungary; (B.M.S.-T.); (J.K.); (T.B.); (I.T.); (D.S.K.)
| | - Silvia Ondrašovičová
- Department of Biology and Physiology, University of Veterinary Medicine and Pharmacy in Košice, 041 81 Košice, Slovakia;
| | - Tibor Bartha
- Department of Physiology and Biochemistry, University of Veterinary Medicine, 1078 Budapest, Hungary; (B.M.S.-T.); (J.K.); (T.B.); (I.T.); (D.S.K.)
| | - István Tóth
- Department of Physiology and Biochemistry, University of Veterinary Medicine, 1078 Budapest, Hungary; (B.M.S.-T.); (J.K.); (T.B.); (I.T.); (D.S.K.)
| | - Attila Zsarnovszky
- Agribiotechnology and Precision Breeding for Food Security National Laboratory, Institute of Physiology and Nutrition, Department of Animal Physiology and Health, Hungarian University of Agricultural and Life Sciences, 7400 Kaposvár, Hungary
| | - Dávid Sándor Kiss
- Department of Physiology and Biochemistry, University of Veterinary Medicine, 1078 Budapest, Hungary; (B.M.S.-T.); (J.K.); (T.B.); (I.T.); (D.S.K.)
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2
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Li C, Shi L, Su M, Li X, Zhu Q, Ge RS, Li H. Butorphanol inhibits androgen biosynthesis and metabolism in rat immature Leydig cells in vitro. Can J Physiol Pharmacol 2024; 102:270-280. [PMID: 38258745 DOI: 10.1139/cjpp-2023-0191] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2024]
Abstract
Butorphanol is a synthetic opioid analgesic medication that is primarily used for the management of pain. Butorphanol may have an inhibitory effect on androgen biosynthesis and metabolism in rat immature Leydig cells. The objective of this study was to investigate the influence of butorphanol on androgen secretion by rat Leydig cells isolated from the 35-day-old male rats. Rat Leydig cells were cultured with 0.5-50 μM butorphanol for 3 h in vitro. Butorphanol at 5 and 50 μM significantly inhibited androgen secretion in immature Leydig cells. At 50 μM, butorphanol also blocked the effects of luteinizing hormone (LH) and 8bromo-cAMP-stimulated androgen secretion and 22R-hydroxycholesterol- and pregnenolone-mediated androgen production. Further analysis of the results showed that butorphanol downregulated the expression of genes involved in androgen production, including Lhcgr (LH receptor), Cyp11a1 (cholesterol side-chain cleavage enzyme), Srd5a1 (5α-reductase 1), and Akr1c14 (3α-hydroxysteroid dehydrogenase). Additionally, butorphanol directly inhibited HSD3B1 (3β-hydroxysteroid dehydrogenase 1) and SRD5A1 activity. In conclusion, butorphanol may have side effects of inhibiting androgen biosynthesis and metabolism in Leydig cells.
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Affiliation(s)
- Changchang Li
- Department of Anesthesiology, Ninth People Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Lei Shi
- Department of Anesthesiology and Perioperative Medicine, the Second Affiliated Hospital and Yuying Children's Hospital; Key Laboratory of Pediatric Anesthesiology, Ministry of Education, Key Laboratory of Anesthesiology of Zhejiang Province, Wenzhou Medical University, Wenzhou, Zhejiang 325027, China
| | - Ming Su
- Department of Anesthesiology and Perioperative Medicine, the Second Affiliated Hospital and Yuying Children's Hospital; Key Laboratory of Pediatric Anesthesiology, Ministry of Education, Key Laboratory of Anesthesiology of Zhejiang Province, Wenzhou Medical University, Wenzhou, Zhejiang 325027, China
| | - Xiaoheng Li
- Department of Anesthesiology and Perioperative Medicine, the Second Affiliated Hospital and Yuying Children's Hospital; Key Laboratory of Pediatric Anesthesiology, Ministry of Education, Key Laboratory of Anesthesiology of Zhejiang Province, Wenzhou Medical University, Wenzhou, Zhejiang 325027, China
| | - Qiqi Zhu
- Department of Anesthesiology and Perioperative Medicine, the Second Affiliated Hospital and Yuying Children's Hospital; Key Laboratory of Pediatric Anesthesiology, Ministry of Education, Key Laboratory of Anesthesiology of Zhejiang Province, Wenzhou Medical University, Wenzhou, Zhejiang 325027, China
| | - Ren-Shan Ge
- Department of Anesthesiology and Perioperative Medicine, the Second Affiliated Hospital and Yuying Children's Hospital; Key Laboratory of Pediatric Anesthesiology, Ministry of Education, Key Laboratory of Anesthesiology of Zhejiang Province, Wenzhou Medical University, Wenzhou, Zhejiang 325027, China
| | - Huitao Li
- Department of Anesthesiology and Perioperative Medicine, the Second Affiliated Hospital and Yuying Children's Hospital; Key Laboratory of Pediatric Anesthesiology, Ministry of Education, Key Laboratory of Anesthesiology of Zhejiang Province, Wenzhou Medical University, Wenzhou, Zhejiang 325027, China
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Chi ES, Stivison EA, Blind RD. SF-1 Induces Nuclear PIP2. Biomolecules 2023; 13:1509. [PMID: 37892191 PMCID: PMC10604688 DOI: 10.3390/biom13101509] [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: 09/01/2023] [Revised: 10/06/2023] [Accepted: 10/07/2023] [Indexed: 10/29/2023] Open
Abstract
Metazoan cell nuclei contain non-membrane pools of the phosphoinositide lipid PI(4,5)P2 (PIP2), but how this hydrophobic lipid exists within the aqueous nucleoplasm remains unclear. Steroidogenic Factor-1 (NR5A1, SF-1) is a nuclear receptor that binds PIP2 in vitro, and a co-crystal structure of the complex suggests the acyl chains of PIP2 are hidden in the hydrophobic core of the SF-1 protein while the PIP2 headgroup is solvent-exposed. This binding mode explains how SF-1 can solubilize nuclear PIP2; however, cellular evidence that SF-1 expression associates with nuclear PIP2 has been lacking. Here, we examined if tetracycline induction of SF-1 expression would associate with nuclear accumulation of PIP2, using antibodies directed against the PIP2 headgroup. Indeed, tetracycline induction of wild-type SF-1 induced a signal in the nucleus of HEK cells that cross-reacts with PIP2 antibodies, but did not cross-react with antibodies against the lower abundance phosphoinositide PI(3,4,5)P3 (PIP3). The nuclear PIP2 signal co-localized with FLAG-tagged SF-1 in the nuclear compartment. To determine if the nuclear PIP2 signal was dependent on the ability of SF-1 to bind PIP2, we examined a "pocket mutant" of SF-1 (A270W, L345F) shown to be deficient in phospholipid binding by mass spectrometry. Tetracycline induction of this pocket mutant SF-1 in HEK cells failed to induce a detectable PIP2 antibody cross-reactive signal, despite similar Tet-induced expression levels of the wild-type and pocket mutant SF-1 proteins in these cells. Together, these data are the first to suggest that expression of SF-1 induces a PIP2 antibody cross-reactive signal in the nucleus, consistent with X-ray crystallographic and biochemical evidence suggesting SF-1 binds PIP2 in human cells.
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Affiliation(s)
| | | | - Raymond D. Blind
- Department of Medicine, Division of Diabetes, Endocrinology and Metabolism, Vanderbilt University Medical Center, Nashville, TN 37232, USA
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Li H, Li J, Shi L, Zhu Y, Tian F, Shi M, Li Q, Ge RS. Bisphenol F blocks Leydig cell maturation and steroidogenesis in pubertal male rats through suppressing androgen receptor signaling and activating G-protein coupled estrogen receptor 1 (GPER1) signaling. Food Chem Toxicol 2022; 167:113268. [PMID: 35803362 DOI: 10.1016/j.fct.2022.113268] [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: 02/05/2022] [Revised: 06/13/2022] [Accepted: 06/27/2022] [Indexed: 11/24/2022]
Abstract
Bisphenol F (BPF) is a new analog of bisphenol A (BPA). BPA has deleterious effects on the male reproductive system, but the effect of BPF has not been studied in detail. In this study we focus on the effect of BPF on Leydig cell maturation. Male Sprague-Dawley rats were gavaged with 0, 1, 10, or 100 mg/kg BPF from postnatal days 35-56. BPF significantly reduced serum testosterone levels and sperm count in cauda epididymis at dose ≥1 mg/kg. It significantly down-regulated the expression of steroidogenic enzymes, while increasing FSHR and SOX9 levels at 10 and 100 mg/kg. Further studies showed that BPF reduced NR3C4 expression in Leydig and Sertoli cells without affecting its levels in peritubular myoid cells. BPF markedly increased GPER1 in Leydig cells at 100 mg/kg, and it significantly reduced SIRT1 and PGC1α levels in the testes at 100 mg/kg. BPF significantly inhibited testosterone production by immature Leydig cells at 50 μM after 24 h of treatment, which was completely reversed by NR3C4 agonist 7α-methyl-19-nortestosterone and partially reversed by GPER1 antagonist G15 not by ESR1 antagonist ICI 182,780. In conclusion, BPF negatively affects Leydig cell maturation in pubertal male rats through NR3C4 antagonism and GPER1 agonism.
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Affiliation(s)
- Huitao Li
- Department of Anesthesiology, The Second Affiliated Hospital and Yuying Children's, Hospital, Wenzhou Medical University, 109 Xueyuan West Road, Wenzhou, Zhejiang, 325027, China; Department of Obstetrics and Gynecology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, 109 Xueyuan West Road, Wenzhou, Zhejiang, 325027, China
| | - Jingjing Li
- Department of Anesthesiology, The Second Affiliated Hospital and Yuying Children's, Hospital, Wenzhou Medical University, 109 Xueyuan West Road, Wenzhou, Zhejiang, 325027, China; Department of Obstetrics and Gynecology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, 109 Xueyuan West Road, Wenzhou, Zhejiang, 325027, China
| | - Lei Shi
- Department of Obstetrics and Gynecology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, 109 Xueyuan West Road, Wenzhou, Zhejiang, 325027, China
| | - Yang Zhu
- Department of Anesthesiology, The Second Affiliated Hospital and Yuying Children's, Hospital, Wenzhou Medical University, 109 Xueyuan West Road, Wenzhou, Zhejiang, 325027, China
| | - Fuhong Tian
- Department of Anesthesiology, The Second Affiliated Hospital and Yuying Children's, Hospital, Wenzhou Medical University, 109 Xueyuan West Road, Wenzhou, Zhejiang, 325027, China
| | - Mengna Shi
- Department of Anesthesiology, The Second Affiliated Hospital and Yuying Children's, Hospital, Wenzhou Medical University, 109 Xueyuan West Road, Wenzhou, Zhejiang, 325027, China
| | - Qiyao Li
- Department of Anesthesiology, The Second Affiliated Hospital and Yuying Children's, Hospital, Wenzhou Medical University, 109 Xueyuan West Road, Wenzhou, Zhejiang, 325027, China
| | - Ren-Shan Ge
- Department of Anesthesiology, The Second Affiliated Hospital and Yuying Children's, Hospital, Wenzhou Medical University, 109 Xueyuan West Road, Wenzhou, Zhejiang, 325027, China; Department of Obstetrics and Gynecology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, 109 Xueyuan West Road, Wenzhou, Zhejiang, 325027, China.
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Xylene delays the development of Leydig cells in pubertal rats by inducing reactive oxidative species. Toxicology 2021; 454:152740. [PMID: 33662507 DOI: 10.1016/j.tox.2021.152740] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2020] [Revised: 02/07/2021] [Accepted: 02/25/2021] [Indexed: 11/23/2022]
Abstract
Xylene is a cyclic hydrocarbon, which is commonly used as a solvent in dyes, paints, polishes, and industrial solutions. It is a potential environmental pollutant. Here, we report the effect of xylene exposure on Leydig cell development in male rats during puberty. Xylene (0, 150, 750, and 1500 mg/kg) was gavaged to 35-day-old male Sprague Dawley rats for 21 days. Xylene significantly reduced serum testosterone levels at 750 and 1500 mg/kg without affecting serum luteinizing hormone and follicle-stimulating hormone levels. Xylene reduced the number of HSD11B1-positive Leydig cells at the advanced stage at 1500 mg/kg. At 750 and 1500 mg/kg, xylene also reduced the cell size and cytoplasm size. It down-regulated the expression of Leydig cell-specific genes (Lhcgr, Scarb1, Star, Cyp11a1, Hsd3b1, Cyp17a1, and Hsd11b1) and proteins. In addition, xylene significantly reduced the ratio of phosphorus-GSK-3β (pGSK-3β/GSK-3β), phosphorus-ERK1/2 (pERK)/ERK1/2, and phosphorus-AKT1 (pAKT1)/AKT1, and SIRT1 levels in the testes. In vitro Leydig cell culture showed that xylene induced oxidative stress by increasing the production of reactive oxygen species and lowing antioxidant (Sod2), and inhibited the production of testosterone, and down-regulated the expression of genes related to steroidogenesis, while vitamin E reversed the xylene-mediated effect as an antioxidant. In conclusion, xylene exposure may disrupt the development of pubertal Leydig cells by increasing reactive oxygen species production and reducing the expression of GSK-3β, ERK1/2, AKT1, and SIRT1.
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6
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The conditional deletion of steroidogenic factor 1 (Nr5a1) in Sox9-Cre mice compromises testis differentiation. Sci Rep 2021; 11:4486. [PMID: 33627800 PMCID: PMC7904858 DOI: 10.1038/s41598-021-84095-y] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2020] [Accepted: 02/12/2021] [Indexed: 12/25/2022] Open
Abstract
Steroidogenic factor 1 (NR5A1) is essential for gonadal development. To study the importance of NR5A1 during early gonadal sex differentiation, we generated Sox9-Cre-Nr5a1 conditional knockout (cKO) mice: Sox9-Cre;Nr5a1flox/flox and Sox9-Cre;Nr5a1flox/− mice. Double-immunostaining for NR5A1 and AMH revealed silenced NR5A1 in Sertoli cells and reduced AMH+ cells in the gonads of XY Sox9-Cre-Nr5a1 cKO mice between embryonic days 12.5 (E12.5) and E14.5. Double-immunostaining for SOX9 and FOXL2 further indicated an early block in Sertoli cells and ectopic granulosa cell differentiation. The number of cells expressing the Leydig cell marker 3βHSD obviously reduced in the gonads of XY Sox9-Cre;Nr5a1flox/− but not Sox9-Cre;Nr5a1flox/flox mice at E15.5. The presence of STRA8+ cells indicated that germ cells entered meiosis in the gonads of XY Sox9-Cre-Nr5a1 cKO mice. The results of qRT-PCR revealed remarkably reduced and elevated levels of testis and ovary markers, respectively, in the gonads of XY Sox9-Cre-Nr5a1 cKO mice at E12.5‒E13.5. These data suggested that the loss of Nr5a1 abrogates the testicular pathway and induces the ectopic ovarian pathway, resulting in postnatal partial/complete male-to-female gonadal sex reversal. Our findings provide evidence for the critical role of NR5A1 in murine gonadal sex determination in vivo.
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7
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Rotgers E, Jørgensen A, Yao HHC. At the Crossroads of Fate-Somatic Cell Lineage Specification in the Fetal Gonad. Endocr Rev 2018; 39:739-759. [PMID: 29771299 PMCID: PMC6173476 DOI: 10.1210/er.2018-00010] [Citation(s) in RCA: 85] [Impact Index Per Article: 14.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/12/2018] [Accepted: 05/09/2018] [Indexed: 01/07/2023]
Abstract
The reproductive endocrine systems are vastly different between males and females. This sexual dimorphism of the endocrine milieu originates from sex-specific differentiation of the somatic cells in the gonads during fetal life. Most gonadal somatic cells arise from the adrenogonadal primordium. After separation of the adrenal and gonadal primordia, the gonadal somatic cells initiate sex-specific differentiation during gonadal sex determination with the specification of the supporting cell lineages: Sertoli cells in the testis vs granulosa cells in the ovary. The supporting cell lineages then facilitate the differentiation of the steroidogenic cell lineages, Leydig cells in the testis and theca cells in the ovary. Proper differentiation of these cell types defines the somatic cell environment that is essential for germ cell development, hormone production, and establishment of the reproductive tracts. Impairment of lineage specification and function of gonadal somatic cells can lead to disorders of sexual development (DSDs) in humans. Human DSDs and processes for gonadal development have been successfully modeled using genetically modified mouse models. In this review, we focus on the fate decision processes from the initial stage of formation of the adrenogonadal primordium in the embryo to the maintenance of the somatic cell identities in the gonads when they become fully differentiated in adulthood.
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Affiliation(s)
- Emmi Rotgers
- Reproductive Developmental Biology Group, National Institute of Environmental Health Sciences, Durham, North Carolina
| | - Anne Jørgensen
- Department of Growth and Reproduction, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark.,International Research and Research Training Center in Endocrine Disruption of Male Reproduction and Child Health, Copenhagen, Denmark
| | - Humphrey Hung-Chang Yao
- Reproductive Developmental Biology Group, National Institute of Environmental Health Sciences, Durham, North Carolina
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Bryant JM, Blind RD. Signaling through non-membrane nuclear phosphoinositide binding proteins in human health and disease. J Lipid Res 2018; 60:299-311. [PMID: 30201631 DOI: 10.1194/jlr.r088518] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2018] [Revised: 08/22/2018] [Indexed: 12/22/2022] Open
Abstract
Phosphoinositide membrane signaling is critical for normal physiology, playing well-known roles in diverse human pathologies. The basic mechanisms governing phosphoinositide signaling within the nucleus, however, have remained deeply enigmatic owing to their presence outside the nuclear membranes. Over 40% of nuclear phosphoinositides can exist in this non-membrane state, held soluble in the nucleoplasm by nuclear proteins that remain largely unidentified. Recently, two nuclear proteins responsible for solubilizing phosphoinositides were identified, steroidogenic factor-1 (SF-1; NR5A1) and liver receptor homolog-1 (LRH-1; NR5A2), along with two enzymes that directly remodel these phosphoinositide/protein complexes, phosphatase and tensin homolog (PTEN; MMAC) and inositol polyphosphate multikinase (IPMK; ipk2). These new footholds now permit the assignment of physiological functions for nuclear phosphoinositides in human diseases, such as endometriosis, nonalcoholic fatty liver disease/steatohepatitis, glioblastoma, and hepatocellular carcinoma. The unique nature of nuclear phosphoinositide signaling affords extraordinary clinical opportunities for new biomarkers, diagnostics, and therapeutics. Thus, phosphoinositide biology within the nucleus may represent the next generation of low-hanging fruit for new drugs, not unlike what has occurred for membrane phosphatidylinositol 3-kinase drug development. This review connects recent basic science discoveries in nuclear phosphoinositide signaling to clinical pathologies, with the hope of inspiring development of new therapies.
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Affiliation(s)
- Jamal M Bryant
- Departments of Pharmacology, Biochemistry, and Medicine, Division of Diabetes, Endocrinology, and Metabolism, Vanderbilt Diabetes Research and Training Center, Vanderbilt University School of Medicine, Nashville, TN 37232
| | - Raymond D Blind
- Departments of Pharmacology, Biochemistry, and Medicine, Division of Diabetes, Endocrinology, and Metabolism, Vanderbilt Diabetes Research and Training Center, Vanderbilt University School of Medicine, Nashville, TN 37232
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Liu J, Wang Y, Fang Y, Ni C, Ma L, Zheng W, Bao S, Li X, Lian Q, Ge RS. Gestational exposure to ziram disrupts rat fetal Leydig cell development. CHEMOSPHERE 2018; 203:393-401. [PMID: 29627606 DOI: 10.1016/j.chemosphere.2018.03.142] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/02/2017] [Revised: 03/18/2018] [Accepted: 03/20/2018] [Indexed: 06/08/2023]
Abstract
Ziram is an endocrine disruptor and may cause birth abnormality of the male reproductive system. However, the effects of ziram on fetal Leydig cell (FLC) development are still unknown. The objective of the present study was to determine the endocrine-disrupting effect of ziram on rat FLC development after gestational exposure. Pregnant Sprague Dawley dams were randomly divided into 5 groups and were gavaged with 0 (corn oil, the control), 1, 2, 4, or 8 mg/kg ziram from gestational day 12 (GD12) to GD21. FLC development was evaluated by measuring serum testosterone, FLC number and distribution, and the expression levels of Leydig and Sertoli cell genes. Ziram significantly increased serum testosterone level at 1 mg/kg (1.350 ± 0.099 ng/ml vs. 0.989 ± 0.106 ng/ml in the control), while it remarkably lowered it at 8 mg/kg (0.598 ± 0.086 ng/ml). Quantitative immunohistochemical staining showed that ziram increased FLC number via stimulating cell proliferation at 1 mg/kg and lowered it via inhibiting its proliferation at 8 mg/kg without affecting Sertoli cell number. Further study demonstrated that the expression of Nr5a1, Lhcgr, Scarb1, Star, Cyp11a1, and Cyp17a1 genes and proteins in the testis was upregulated at 1 mg/kg and the expression of Leydig (Nr5a1, Lhcgr, Scarb1, Star, Cyp11a1, Cyp17a1, and Insl3) and Sertoli cell (Fshr, Hsd17b3, Dhh, Amh, and Sox9) genes and proteins was downregulated by ziram at 8 mg/kg. In conclusion, ziram had biphasic effects on FLC development with low dose to increase FLC number and function and high dose to decrease them.
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Affiliation(s)
- Jianpeng Liu
- Center of Scientific Research, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, 109 Xueyuan West Road, Wenzhou, Zhejiang 325027, China; Department of Anesthesiology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, 109 Xueyuan West Road, Wenzhou, Zhejiang 325027, China
| | - Yiyan Wang
- Department of Anesthesiology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, 109 Xueyuan West Road, Wenzhou, Zhejiang 325027, China
| | - Yinghui Fang
- Department of Anesthesiology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, 109 Xueyuan West Road, Wenzhou, Zhejiang 325027, China
| | - Chaobo Ni
- Department of Anesthesiology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, 109 Xueyuan West Road, Wenzhou, Zhejiang 325027, China
| | - Leikai Ma
- Department of Anesthesiology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, 109 Xueyuan West Road, Wenzhou, Zhejiang 325027, China
| | - Wenwen Zheng
- Department of Anesthesiology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, 109 Xueyuan West Road, Wenzhou, Zhejiang 325027, China
| | - Suhao Bao
- Department of Anesthesiology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, 109 Xueyuan West Road, Wenzhou, Zhejiang 325027, China
| | - Xiaoheng Li
- Department of Anesthesiology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, 109 Xueyuan West Road, Wenzhou, Zhejiang 325027, China
| | - Qingquan Lian
- Department of Anesthesiology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, 109 Xueyuan West Road, Wenzhou, Zhejiang 325027, China
| | - Ren-Shan Ge
- Department of Anesthesiology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, 109 Xueyuan West Road, Wenzhou, Zhejiang 325027, China.
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10
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Martin LJ. Cell interactions and genetic regulation that contribute to testicular Leydig cell development and differentiation. Mol Reprod Dev 2016; 83:470-87. [DOI: 10.1002/mrd.22648] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2015] [Accepted: 04/10/2016] [Indexed: 12/13/2022]
Affiliation(s)
- Luc J. Martin
- Department of Biology; Université de Moncton; Moncton New-Brunswick Canada
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11
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Vasquez YM, Wu SP, Anderson ML, Hawkins SM, Creighton CJ, Ray M, Tsai SY, Tsai MJ, Lydon JP, DeMayo FJ. Endometrial Expression of Steroidogenic Factor 1 Promotes Cystic Glandular Morphogenesis. Mol Endocrinol 2016; 30:518-32. [PMID: 27018534 DOI: 10.1210/me.2015-1215] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023] Open
Abstract
Epigenetic silencing of steroidogenic factor 1 (SF1) is lost in endometriosis, potentially contributing to de novo local steroidogenesis favoring inflammation and growth of ectopic endometrial tissue. In this study, we examine the impact of SF1 expression in the eutopic uterus by a novel mouse model that conditionally expresses SF1 in endometrium. In vivo SF1 expression promoted the development of enlarged endometrial glands and attenuated estrogen and progesterone responsiveness. Endometriosis induction by autotransplantation of uterine tissue to the mesenteric membrane resulted in the increase in size of ectopic lesions from SF1-expressing mice. By integrating the SF1-dependent transcriptome with the whole genome binding profile of SF1, we identified uterine-specific SF1-regulated genes involved in Wingless and Progesterone receptor-Hedgehog-Chicken ovalbumin upstream promoter transcription factor II signaling for gland development and epithelium-stroma interaction, respectively. The present results indicate that SF1 directly contributes to the abnormal uterine gland morphogenesis, an inhibition of steroid hormone signaling and activation of an immune response, in addition to previously postulated estrogen production.
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Affiliation(s)
- Yasmin M Vasquez
- Department of Molecular and Cellular Biology (Y.M.V., S.Y.T., M.-J.T., J.P.L., F.J.D.), Baylor College of Medicine, Houston, Texas 77030; Department of Obstetrics and Gynecology (M.L.A., S.M.H.), Baylor College of Medicine, Houston, Texas 77030; Dan L. Duncan Cancer Center (M.L.A., C.J.C.), Division of Biostatistics, Department of Medicine, Baylor College of Medicine, Houston, Texas 77030; and Pregnancy and Female Reproduction Group (S.-P.W., M.R., M.J.D.), National Institute of Environmental Health Sciences, Research Triangle Park, North Carolina 27709
| | - San-Pin Wu
- Department of Molecular and Cellular Biology (Y.M.V., S.Y.T., M.-J.T., J.P.L., F.J.D.), Baylor College of Medicine, Houston, Texas 77030; Department of Obstetrics and Gynecology (M.L.A., S.M.H.), Baylor College of Medicine, Houston, Texas 77030; Dan L. Duncan Cancer Center (M.L.A., C.J.C.), Division of Biostatistics, Department of Medicine, Baylor College of Medicine, Houston, Texas 77030; and Pregnancy and Female Reproduction Group (S.-P.W., M.R., M.J.D.), National Institute of Environmental Health Sciences, Research Triangle Park, North Carolina 27709
| | - Matthew L Anderson
- Department of Molecular and Cellular Biology (Y.M.V., S.Y.T., M.-J.T., J.P.L., F.J.D.), Baylor College of Medicine, Houston, Texas 77030; Department of Obstetrics and Gynecology (M.L.A., S.M.H.), Baylor College of Medicine, Houston, Texas 77030; Dan L. Duncan Cancer Center (M.L.A., C.J.C.), Division of Biostatistics, Department of Medicine, Baylor College of Medicine, Houston, Texas 77030; and Pregnancy and Female Reproduction Group (S.-P.W., M.R., M.J.D.), National Institute of Environmental Health Sciences, Research Triangle Park, North Carolina 27709
| | - Shannon M Hawkins
- Department of Molecular and Cellular Biology (Y.M.V., S.Y.T., M.-J.T., J.P.L., F.J.D.), Baylor College of Medicine, Houston, Texas 77030; Department of Obstetrics and Gynecology (M.L.A., S.M.H.), Baylor College of Medicine, Houston, Texas 77030; Dan L. Duncan Cancer Center (M.L.A., C.J.C.), Division of Biostatistics, Department of Medicine, Baylor College of Medicine, Houston, Texas 77030; and Pregnancy and Female Reproduction Group (S.-P.W., M.R., M.J.D.), National Institute of Environmental Health Sciences, Research Triangle Park, North Carolina 27709
| | - Chad J Creighton
- Department of Molecular and Cellular Biology (Y.M.V., S.Y.T., M.-J.T., J.P.L., F.J.D.), Baylor College of Medicine, Houston, Texas 77030; Department of Obstetrics and Gynecology (M.L.A., S.M.H.), Baylor College of Medicine, Houston, Texas 77030; Dan L. Duncan Cancer Center (M.L.A., C.J.C.), Division of Biostatistics, Department of Medicine, Baylor College of Medicine, Houston, Texas 77030; and Pregnancy and Female Reproduction Group (S.-P.W., M.R., M.J.D.), National Institute of Environmental Health Sciences, Research Triangle Park, North Carolina 27709
| | - Madhumita Ray
- Department of Molecular and Cellular Biology (Y.M.V., S.Y.T., M.-J.T., J.P.L., F.J.D.), Baylor College of Medicine, Houston, Texas 77030; Department of Obstetrics and Gynecology (M.L.A., S.M.H.), Baylor College of Medicine, Houston, Texas 77030; Dan L. Duncan Cancer Center (M.L.A., C.J.C.), Division of Biostatistics, Department of Medicine, Baylor College of Medicine, Houston, Texas 77030; and Pregnancy and Female Reproduction Group (S.-P.W., M.R., M.J.D.), National Institute of Environmental Health Sciences, Research Triangle Park, North Carolina 27709
| | - Sophia Y Tsai
- Department of Molecular and Cellular Biology (Y.M.V., S.Y.T., M.-J.T., J.P.L., F.J.D.), Baylor College of Medicine, Houston, Texas 77030; Department of Obstetrics and Gynecology (M.L.A., S.M.H.), Baylor College of Medicine, Houston, Texas 77030; Dan L. Duncan Cancer Center (M.L.A., C.J.C.), Division of Biostatistics, Department of Medicine, Baylor College of Medicine, Houston, Texas 77030; and Pregnancy and Female Reproduction Group (S.-P.W., M.R., M.J.D.), National Institute of Environmental Health Sciences, Research Triangle Park, North Carolina 27709
| | - Ming-Jer Tsai
- Department of Molecular and Cellular Biology (Y.M.V., S.Y.T., M.-J.T., J.P.L., F.J.D.), Baylor College of Medicine, Houston, Texas 77030; Department of Obstetrics and Gynecology (M.L.A., S.M.H.), Baylor College of Medicine, Houston, Texas 77030; Dan L. Duncan Cancer Center (M.L.A., C.J.C.), Division of Biostatistics, Department of Medicine, Baylor College of Medicine, Houston, Texas 77030; and Pregnancy and Female Reproduction Group (S.-P.W., M.R., M.J.D.), National Institute of Environmental Health Sciences, Research Triangle Park, North Carolina 27709
| | - John P Lydon
- Department of Molecular and Cellular Biology (Y.M.V., S.Y.T., M.-J.T., J.P.L., F.J.D.), Baylor College of Medicine, Houston, Texas 77030; Department of Obstetrics and Gynecology (M.L.A., S.M.H.), Baylor College of Medicine, Houston, Texas 77030; Dan L. Duncan Cancer Center (M.L.A., C.J.C.), Division of Biostatistics, Department of Medicine, Baylor College of Medicine, Houston, Texas 77030; and Pregnancy and Female Reproduction Group (S.-P.W., M.R., M.J.D.), National Institute of Environmental Health Sciences, Research Triangle Park, North Carolina 27709
| | - Francesco J DeMayo
- Department of Molecular and Cellular Biology (Y.M.V., S.Y.T., M.-J.T., J.P.L., F.J.D.), Baylor College of Medicine, Houston, Texas 77030; Department of Obstetrics and Gynecology (M.L.A., S.M.H.), Baylor College of Medicine, Houston, Texas 77030; Dan L. Duncan Cancer Center (M.L.A., C.J.C.), Division of Biostatistics, Department of Medicine, Baylor College of Medicine, Houston, Texas 77030; and Pregnancy and Female Reproduction Group (S.-P.W., M.R., M.J.D.), National Institute of Environmental Health Sciences, Research Triangle Park, North Carolina 27709
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12
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Piprek RP, Kloc M, Kubiak JZ. Early Development of the Gonads: Origin and Differentiation of the Somatic Cells of the Genital Ridges. Results Probl Cell Differ 2016; 58:1-22. [PMID: 27300173 DOI: 10.1007/978-3-319-31973-5_1] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
The earliest manifestation of gonadogenesis in vertebrates is the formation of the genital ridges. The genital ridges form through the transformation of monolayer coelomic epithelium into a cluster of somatic cells. This process depends on increased proliferation of coelomic epithelium and disintegration of its basement membrane, which is foreshadowed by the expression of series of regulatory genes. The earliest expressed gene is Gata4, followed by Sf1, Lhx9, Emx2, and Cbx2. The early genital ridge is a mass of somatic SF1-positive cells (gonadal precursor cells) that derive from proliferating coelomic epithelium. Primordial germ cells (PGCs) immigrate to the coelomic epithelium even in the absence of genital ridges, e.g., in mouse null mutants for Gata4. And conversely, the PGCs are not required for the formation of the genital ridges. After reaching genital ridges, the PGCs become enclosed by somatic cells derived from coelomic epithelium. Subsequently, the expression of sex-determining genes begins and the bipotential gonads differentiate into either testes or ovaries. Gonadal precursor cells, derived from coelomic epithelium, give rise to the somatic supporting cells such as Sertoli cells, follicular cells, and probably also peritubular myoid and steroidogenic cells.
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Affiliation(s)
- Rafal P Piprek
- Department of Comparative Anatomy, Institute of Zoology, Jagiellonian University, Gronostajowa 9, 30-387, Krakow, Poland.
| | - Malgorzata Kloc
- Department of Surgery, The Houston Methodist Hospital, Houston, TX, USA
- The Houston Methodist Research Institute, Houston, TX, USA
| | - Jacek Z Kubiak
- CNRS, UMR 6290, Institute of Genetics and Development of Rennes, Cell Cycle Group, 35043, Rennes, France
- Université Rennes 1, UEB, UMS Biosit, Faculty of Medicine, 35043, Rennes, France
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Gu P, Morgan DH, Sattar M, Xu X, Wagner R, Raviscioni M, Lichtarge O, Cooney AJ. Evolutionary trace-based peptides identify a novel asymmetric interaction that mediates oligomerization in nuclear receptors. J Biol Chem 2005; 280:31818-29. [PMID: 15994320 DOI: 10.1074/jbc.m501924200] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
Germ cell nuclear factor (GCNF) is an orphan nuclear receptor that plays important roles in development and reproduction, by repressing the expression of essential genes such as Oct4, GDF9, and BMP15, through binding to DR0 elements. Surprisingly, whereas recombinant GCNF binds to DR0 sequences as a homodimer, endogenous GCNF does not exist as a homodimer but rather as part of a large complex termed the transiently retinoid-induced factor (TRIF). Here, we use evolutionary trace (ET) analysis to design mutations and peptides that probe the molecular basis for the formation of this unusual complex. We find that GCNF homodimerization and TRIF complex formation are DNA-dependent, and ET suggests that dimerization involves key functional sites on both helix 3 and helix 11, which are located on opposing surfaces of the ligand binding domain. Targeted mutations in either helix of GCNF disrupt the formation of both the homodimer and the endogenous TRIF complex. Moreover, peptide mimetics of both of these ET-determined sites inhibit dimerization and TRIF complex formation. This suggests that a novel helix 3-helix 11 heterotypic interaction mediates GCNF interaction and would facilitate oligomerization. Indeed, it was determined that the endogenous TRIF complex is composed of a GCNF oligomer. These findings shed light on an evolutionarily selected mechanism that reveals the unusual DNA-binding, dimerization, and oligomerization properties of GCNF.
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MESH Headings
- Adaptor Proteins, Vesicular Transport/genetics
- Adaptor Proteins, Vesicular Transport/metabolism
- Adaptor Proteins, Vesicular Transport/physiology
- Amino Acid Sequence
- Cell Line
- DNA-Binding Proteins/genetics
- DNA-Binding Proteins/metabolism
- DNA-Binding Proteins/physiology
- Dimerization
- Evolution, Molecular
- Genes, Reporter
- Molecular Sequence Data
- Nuclear Receptor Subfamily 6, Group A, Member 1
- Peptides/genetics
- Peptides/metabolism
- Peptides/physiology
- Point Mutation
- Protein Structure, Secondary
- Protein Structure, Tertiary
- Receptor Cross-Talk/physiology
- Receptors, Cytoplasmic and Nuclear/genetics
- Receptors, Cytoplasmic and Nuclear/metabolism
- Receptors, Cytoplasmic and Nuclear/physiology
- Receptors, Retinoic Acid/genetics
- Receptors, Retinoic Acid/metabolism
- Receptors, Retinoic Acid/physiology
- Response Elements
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Affiliation(s)
- Peili Gu
- Department of Molecular and Cellular Biology, Baylor College of Medicine, Houston, Texas 77030, USA
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14
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Abstract
Nuclear receptors (also known as nuclear hormone receptors) are hormone-regulated transcription factors that control many important physiological and developmental processes in animals and humans. Defects in receptor function result in disease. The diverse biological roles of these receptors reflect their surprisingly versatile transcriptional properties, with many receptors possessing the ability to both repress and activate target gene expression. These bipolar transcriptional properties are mediated through the interactions of the receptors with two distinct classes of auxiliary proteins: corepressors and coactivators. This review focuses on how corepressors work together with nuclear receptors to repress gene transcription in the normal organism and on the aberrations in this process that lead to neoplasia and endocrine disorders. The actions of coactivators and the contributions of the same corepressors to the functions of nonreceptor transcription factors are also touched on.
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Affiliation(s)
- Martin L Privalsky
- Section of Microbiology, Division of Biological Sciences, University of California, Davis, California 95616, USA.
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15
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Abstract
The gene SRY (sex determining region of the Y), located at the distal region of the short arm of the Y chromosome, is necessary for male sex determination in mammals. SRY initiates the cascade of steps necessary to form a testis from an undifferentiated gonad. The SRY gene encodes an HMG (High Mobility Group) protein which may act as a transcription factor by binding to double stranded DNA and then bending the DNA. Mutations in SRY have been identified in some subjects with 46,XY pure gonadal dysgenesis. However the role for other autosomal and X-linked genes in testis determination is evident by the presence of a normal SRY gene in the majority of females with 46,XY pure gonadal dysgenesis and the lack of SRY in a minority of males with 46,XY maleness.
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Affiliation(s)
- P Y Fechner
- Division of Pediatric Endocrinology, Johns Hopkins University School of Medicine, Baltimore, MD 21287-3311, USA
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16
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Matsuo N. Fetal testis formation: a critical event for sex determination and differentiation. ACTA PAEDIATRICA JAPONICA : OVERSEAS EDITION 1996; 38:377-9. [PMID: 8840550 DOI: 10.1111/j.1442-200x.1996.tb03511.x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Affiliation(s)
- N Matsuo
- Department of Pediatrics, Keio University School of Medicine, Tokyo, Japan
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