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Egilmezer E, Hamilton ST, Lauw G, Follett J, Sonntag E, Schütz M, Marschall M, Rawlinson WD. Human Cytomegalovirus Dysregulates Cellular Dual-Specificity Tyrosine Phosphorylation-Regulated Kinases and Sonic Hedgehog Pathway Proteins in Neural Astrocyte and Placental Models. Viruses 2024; 16:918. [PMID: 38932210 PMCID: PMC11209403 DOI: 10.3390/v16060918] [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: 01/12/2024] [Revised: 05/29/2024] [Accepted: 05/30/2024] [Indexed: 06/28/2024] Open
Abstract
Human cytomegalovirus (CMV) infection is the leading non-genetic cause of congenital malformation in developed countries, causing significant fetal injury, and in some cases fetal death. The pathogenetic mechanisms through which this host-specific virus infects then damages both the placenta and the fetal brain are currently ill-defined. We investigated the CMV modulation of key signaling pathway proteins for these organs including dual-specificity tyrosine phosphorylation-regulated kinases (DYRK) and Sonic Hedgehog (SHH) pathway proteins using human first trimester placental trophoblast (TEV-1) cells, primary human astrocyte (NHA) brain cells, and CMV-infected human placental tissue. Immunofluorescence demonstrated the accumulation and re-localization of SHH proteins in CMV-infected TEV-1 cells with Gli2, Ulk3, and Shh re-localizing to the CMV cytoplasmic virion assembly complex (VAC). In CMV-infected NHA cells, DYRK1A re-localized to the VAC and DYRK1B re-localized to the CMV nuclear replication compartments, and the SHH proteins re-localized with a similar pattern as was observed in TEV-1 cells. Western blot analysis in CMV-infected TEV-1 cells showed the upregulated expression of Rb, Ulk3, and Shh, but not Gli2. In CMV-infected NHA cells, there was an upregulation of DYRK1A, DYRK1B, Gli2, Rb, Ulk3, and Shh. These in vitro monoculture findings are consistent with patterns of protein upregulation and re-localization observed in naturally infected placental tissue and CMV-infected ex vivo placental explant histocultures. This study reveals CMV-induced changes in proteins critical for fetal development, and identifies new potential targets for CMV therapeutic development.
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Affiliation(s)
- Ece Egilmezer
- Serology and Virology Division, Microbiology, NSW Health Pathology, Prince of Wales Hospital, Sydney 2031, Australia; (E.E.)
- School of Clinical Medicine, University of New South Wales, Kensington 2052, Australia
| | - Stuart T. Hamilton
- Serology and Virology Division, Microbiology, NSW Health Pathology, Prince of Wales Hospital, Sydney 2031, Australia; (E.E.)
- School of Clinical Medicine, University of New South Wales, Kensington 2052, Australia
| | - Glen Lauw
- School of Biotechnology and Biomolecular Sciences, University of New South Wales, Sydney 2033, Australia
| | - Jasmine Follett
- School of Biotechnology and Biomolecular Sciences, University of New South Wales, Sydney 2033, Australia
| | - Eric Sonntag
- Institute for Clinical and Molecular Virology, Friedrich-Alexander University of Erlangen-Nürnberg, 91054 Erlangen, Germany (M.M.)
| | - Martin Schütz
- Institute for Clinical and Molecular Virology, Friedrich-Alexander University of Erlangen-Nürnberg, 91054 Erlangen, Germany (M.M.)
| | - Manfred Marschall
- Institute for Clinical and Molecular Virology, Friedrich-Alexander University of Erlangen-Nürnberg, 91054 Erlangen, Germany (M.M.)
| | - William D. Rawlinson
- Serology and Virology Division, Microbiology, NSW Health Pathology, Prince of Wales Hospital, Sydney 2031, Australia; (E.E.)
- School of Clinical Medicine, University of New South Wales, Kensington 2052, Australia
- School of Biotechnology and Biomolecular Sciences, University of New South Wales, Sydney 2033, Australia
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2
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Wang Y, Hermetz K, Burt A, Kennedy EM, Lesseur C, Panuwet P, Fiedler N, Prapamontol T, Suttiwan P, Naksen W, B Barr D, Hao K, Chen J, Marsit CJ. Placental transcriptome variation associated with season, location, and urinary prenatal pyrethroid metabolites of Thai farm-working women. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2024; 349:123873. [PMID: 38554839 PMCID: PMC11070292 DOI: 10.1016/j.envpol.2024.123873] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/21/2023] [Revised: 03/21/2024] [Accepted: 03/24/2024] [Indexed: 04/02/2024]
Abstract
Prenatal exposure to pyrethroids is linked to adverse health effects in early life and proper placental function is critical to fetal development. This study explores the impact of prenatal pyrethroid exposure, as well as factors impacting exposure and effect, on the placental transcriptome, to understand pyrethroid exposures' relationship to placental function. The study of Asian Women and their Offspring's Development and Environmental Exposures (SAWASDEE) recruited pregnant farm-working women from two agricultural districts in the Chiang Mai province of Thailand between 2017 and 2019. This cohort was predominantly exposed to cypermethrin (type II), alongside pyrethroids such as cyfluthrin (type II) and permethrin (type I). In 253 participants, maternal urinary pyrethroid metabolites, 3-phenoxybenzoic acid (PBA), cis-3-(2,2-Dichlorovinyl)-2,2-dimethylcyclopropane carboxylic acid (CDCCA), and trans-3-(2,2-Dichlorovinyl)-2,2-dimethylcyclopropane carboxylic acid (TDCCA) were measured in early, middle, and late pregnancy and adjusted for urinary creatinine. The placental transcriptome was analyzed using RNA-Seq. Using generalized linear regression, we identified differentially expressed genes (DEGs) associated with the sum of each metabolite across pregnancy, as well as those associated with location of residence and season of birth. Pathway and upstream transcription factor analyses were performed to examine potential mechanisms associated with DEGs. Notably, TDCCA and CDCCA levels peaked in late pregnancy, with significant regional differences, particularly higher levels in the Fang region. Placental gene expression analysis showed no DEGs associated with individual metabolites at FDR<0.05. However, 251 DEGs by location, implicating immune response and oxidative phosphorylation pathways, were identified, while season of birth was associated with 2585 DEGs, over-represented in fibrosis signaling and metabolism pathways. Finally, transcription factor analysis identified 226 and 282 transcription factors associated with location and season, respectively, related to cell proliferation, differentiation, and the immune system. These alterations may have significant implications for fetal development and other pathologic processes, highlighting the importance of monitoring environmental exposures during pregnancy.
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Affiliation(s)
- Yewei Wang
- Gangarosa Department of Environmental Health, Rollins School of Public Health, Emory University, Atlanta, GA, USA
| | - Karen Hermetz
- Gangarosa Department of Environmental Health, Rollins School of Public Health, Emory University, Atlanta, GA, USA
| | - Amber Burt
- Gangarosa Department of Environmental Health, Rollins School of Public Health, Emory University, Atlanta, GA, USA
| | - Elizabeth M Kennedy
- Gangarosa Department of Environmental Health, Rollins School of Public Health, Emory University, Atlanta, GA, USA
| | - Corina Lesseur
- Department of Environmental Medicine and Public Health, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Parinya Panuwet
- Gangarosa Department of Environmental Health, Rollins School of Public Health, Emory University, Atlanta, GA, USA
| | - Nancy Fiedler
- Rutgers University School of Public Health, Environmental and Occupational Health Sciences Institute, Piscataway, NJ, USA
| | - Tippawan Prapamontol
- Research Institute for Health Sciences, Chiang Mai University, Chiang Mai, Thailand
| | - Panrapee Suttiwan
- Life Di Center, Faculty of Psychology, Chulalongkorn University, Bangkok, Thailand
| | - Warangkana Naksen
- Faculty of Public Health, Chiang Mai University, Chiang Mai, Thailand
| | - Dana B Barr
- Gangarosa Department of Environmental Health, Rollins School of Public Health, Emory University, Atlanta, GA, USA
| | - Ke Hao
- Department of Environmental Medicine and Public Health, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Jia Chen
- Department of Environmental Medicine and Public Health, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Carmen J Marsit
- Gangarosa Department of Environmental Health, Rollins School of Public Health, Emory University, Atlanta, GA, USA.
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3
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Tan D, Lu M, Cai Y, Qi W, Wu F, Bao H, Qv M, He Q, Xu Y, Wang X, Shen T, Luo J, He Y, Wu J, Tang L, Barkat MQ, Xu C, Wu X. SUMOylation of Rho-associated protein kinase 2 induces goblet cell metaplasia in allergic airways. Nat Commun 2023; 14:3887. [PMID: 37393345 PMCID: PMC10314948 DOI: 10.1038/s41467-023-39600-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2022] [Accepted: 06/21/2023] [Indexed: 07/03/2023] Open
Abstract
Allergic asthma is characterized by goblet cell metaplasia and subsequent mucus hypersecretion that contribute to the morbidity and mortality of this disease. Here, we explore the potential role and underlying mechanism of protein SUMOylation-mediated goblet cell metaplasia. The components of SUMOylaion machinery are specifically expressed in healthy human bronchial epithelia and robustly upregulated in bronchial epithelia of patients or mouse models with allergic asthma. Intratracheal suppression of SUMOylation by 2-D08 robustly attenuates not only allergen-induced airway inflammation, goblet cell metaplasia, and hyperreactivity, but IL-13-induced goblet cell metaplasia. Phosphoproteomics and biochemical analyses reveal SUMOylation on K1007 activates ROCK2, a master regulator of goblet cell metaplasia, by facilitating its binding to and activation by RhoA, and an E3 ligase PIAS1 is responsible for SUMOylation on K1007. As a result, knockdown of PIAS1 in bronchial epithelia inactivates ROCK2 to attenuate IL-13-induced goblet cell metaplasia, and bronchial epithelial knock-in of ROCK2(K1007R) consistently inactivates ROCK2 to alleviate not only allergen-induced airway inflammation, goblet cell metaplasia, and hyperreactivity, but IL-13-induced goblet cell metaplasia. Together, SUMOylation-mediated ROCK2 activation is an integral component of Rho/ROCK signaling in regulating the pathological conditions of asthma and thus SUMOylation is an additional target for the therapeutic intervention of this disease.
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Affiliation(s)
- Dan Tan
- Department of Pharmacology, Zhejiang University School of Medicine, Hangzhou, 310058, China
- Key Laboratory of CFDA for Respiratory Drug Research, Zhejiang University School of Medicine, Hangzhou, 310058, China
| | - Meiping Lu
- National Clinical Research Center for Child Health, the Children's Hospital of Zhejiang University School of Medicine, Hangzhou, 310053, China.
| | - Yuqing Cai
- National Clinical Research Center for Child Health, the Children's Hospital of Zhejiang University School of Medicine, Hangzhou, 310053, China
| | - Weibo Qi
- Department of Thoracic Surgery, the Affiliated Hospital of Jiaxing University, Jiaxing, 314001, China
| | - Fugen Wu
- Department of Paediatrics, the First People's Hospital of Wenling City, Wenling City, 317500, China
| | - Hangyang Bao
- Department of Pharmacology, Zhejiang University School of Medicine, Hangzhou, 310058, China
| | - Meiyu Qv
- Department of Pharmacology, Zhejiang University School of Medicine, Hangzhou, 310058, China
| | - Qiangqiang He
- Department of Pharmacology, Zhejiang University School of Medicine, Hangzhou, 310058, China
| | - Yana Xu
- Department of Pharmacology, Zhejiang University School of Medicine, Hangzhou, 310058, China
| | - Xiangzhi Wang
- National Clinical Research Center for Child Health, the Children's Hospital of Zhejiang University School of Medicine, Hangzhou, 310053, China
| | - Tingyu Shen
- Department of Pharmacology, Zhejiang University School of Medicine, Hangzhou, 310058, China
| | - Jiahao Luo
- Department of Pharmacology, Zhejiang University School of Medicine, Hangzhou, 310058, China
| | - Yangxun He
- Department of Pharmacology, Zhejiang University School of Medicine, Hangzhou, 310058, China
| | - Junsong Wu
- Department of Critical Care Medicine, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310003, China
| | - Lanfang Tang
- National Clinical Research Center for Child Health, the Children's Hospital of Zhejiang University School of Medicine, Hangzhou, 310053, China
| | - Muhammad Qasim Barkat
- Department of Pharmacology, Zhejiang University School of Medicine, Hangzhou, 310058, China
| | - Chengyun Xu
- Department of Pharmacology, Zhejiang University School of Medicine, Hangzhou, 310058, China.
- Key Laboratory of CFDA for Respiratory Drug Research, Zhejiang University School of Medicine, Hangzhou, 310058, China.
- National Clinical Research Center for Child Health, the Children's Hospital of Zhejiang University School of Medicine, Hangzhou, 310053, China.
| | - Ximei Wu
- Department of Pharmacology, Zhejiang University School of Medicine, Hangzhou, 310058, China.
- Key Laboratory of CFDA for Respiratory Drug Research, Zhejiang University School of Medicine, Hangzhou, 310058, China.
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Alves MBR, Girardet L, Augière C, Moon KH, Lavoie-Ouellet C, Bernet A, Soulet D, Calvo E, Teves ME, Beauparlant CJ, Droit A, Bastien A, Robert C, Bok J, Hinton BT, Belleannée C. Hedgehog signaling regulates Wolffian duct development through the primary cilium†. Biol Reprod 2023; 108:241-257. [PMID: 36525341 PMCID: PMC9930401 DOI: 10.1093/biolre/ioac210] [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: 04/14/2022] [Revised: 11/01/2022] [Accepted: 11/25/2022] [Indexed: 12/23/2022] Open
Abstract
Primary cilia play pivotal roles in embryonic patterning and organogenesis through transduction of the Hedgehog signaling pathway (Hh). Although mutations in Hh morphogens impair the development of the gonads and trigger male infertility, the contribution of Hh and primary cilia in the development of male reproductive ductules, including the epididymis, remains unknown. From a Pax2Cre; IFT88fl/fl knock-out mouse model, we found that primary cilia deletion is associated with imbalanced Hh signaling and morphometric changes in the Wolffian duct (WD), the embryonic precursor of the epididymis. Similar effects were observed following pharmacological blockade of primary cilia formation and Hh modulation on WD organotypic cultures. The expression of genes involved in extracellular matrix, mesenchymal-epithelial transition, canonical Hh and WD development was significantly altered after treatments. Altogether, we identified the primary cilia-dependent Hh signaling as a master regulator of genes involved in WD development. This provides new insights regarding the etiology of sexual differentiation and male infertility issues.
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Affiliation(s)
- Maíra Bianchi Rodrigues Alves
- Faculty of Medicine, Department of Obstetrics, Gynecology and Reproduction, CHU de Québec Research Center (CHUL)—Centre de Recherche en Reproduction, Développement et Santé Intergénérationnelle—Université Laval, Quebec City, QC, Canada
| | - Laura Girardet
- Faculty of Medicine, Department of Obstetrics, Gynecology and Reproduction, CHU de Québec Research Center (CHUL)—Centre de Recherche en Reproduction, Développement et Santé Intergénérationnelle—Université Laval, Quebec City, QC, Canada
| | - Céline Augière
- Faculty of Medicine, Department of Obstetrics, Gynecology and Reproduction, CHU de Québec Research Center (CHUL)—Centre de Recherche en Reproduction, Développement et Santé Intergénérationnelle—Université Laval, Quebec City, QC, Canada
| | - Kyeong Hye Moon
- Department of Anatomy, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Camille Lavoie-Ouellet
- Faculty of Medicine, Department of Obstetrics, Gynecology and Reproduction, CHU de Québec Research Center (CHUL)—Centre de Recherche en Reproduction, Développement et Santé Intergénérationnelle—Université Laval, Quebec City, QC, Canada
| | - Agathe Bernet
- Faculty of Medicine, Department of Obstetrics, Gynecology and Reproduction, CHU de Québec Research Center (CHUL)—Centre de Recherche en Reproduction, Développement et Santé Intergénérationnelle—Université Laval, Quebec City, QC, Canada
| | - Denis Soulet
- Faculty of Pharmacy, Department of Neurosciences, CHU de Québec Research Center (CHUL)—Université Laval, Quebec City, QC, Canada
| | - Ezequiel Calvo
- Faculty of Medicine, Department of Obstetrics, Gynecology and Reproduction, CHU de Québec Research Center (CHUL)—Centre de Recherche en Reproduction, Développement et Santé Intergénérationnelle—Université Laval, Quebec City, QC, Canada
| | - Maria E Teves
- Department of Obstetrics and Gynecology, Virginia Commonwealth University, Richmond, VA, USA
| | - Charles Joly Beauparlant
- Computational Biology Laboratory Research Centre, Faculty of Medicine, Université Laval, Quebec City, QC, Canada
| | - Arnaud Droit
- Computational Biology Laboratory Research Centre, Faculty of Medicine, Université Laval, Quebec City, QC, Canada
| | - Alexandre Bastien
- Faculty of Agriculture and Food Sciences, Department of Animal Sciences—Centre de Recherche en Reproduction, Développement et Santé Intergénérationnelle—Université Laval, Quebec City, QC, Canada
| | - Claude Robert
- Faculty of Agriculture and Food Sciences, Department of Animal Sciences—Centre de Recherche en Reproduction, Développement et Santé Intergénérationnelle—Université Laval, Quebec City, QC, Canada
| | - Jinwoong Bok
- Department of Anatomy, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Barry T Hinton
- Department of Cell Biology, University of Virginia School of Medicine, Charlottesville, VA, USA
| | - Clémence Belleannée
- Faculty of Medicine, Department of Obstetrics, Gynecology and Reproduction, CHU de Québec Research Center (CHUL)—Centre de Recherche en Reproduction, Développement et Santé Intergénérationnelle—Université Laval, Quebec City, QC, Canada
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5
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Romberg SI, Kreis NN, Friemel A, Roth S, Souto AS, Hoock SC, Fischer K, Nowak T, Solbach C, Louwen F, Ritter A, Yuan J. Human placental mesenchymal stromal cells are ciliated and their ciliation is compromised in preeclampsia. BMC Med 2022; 20:35. [PMID: 35081949 PMCID: PMC8793243 DOI: 10.1186/s12916-021-02203-1] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/14/2021] [Accepted: 11/29/2021] [Indexed: 12/11/2022] Open
Abstract
BACKGROUND The development of the human placenta is tightly coordinated by a multitude of placental cell types, including human chorionic villi mesenchymal stromal cells (hCV-MSCs). Defective hCV-MSCs have been reported in preeclampsia (PE), a gestational hypertensive disease characterized by maternal endothelial dysfunction and systemic inflammation. Our goal was to determine whether hCV-MSCs are ciliated and whether altered ciliation is responsible for defective hCV-MSCs in preeclamptic placentas, as the primary cilium is a hub for signal transduction, which is important for various cellular activities. METHODS In the present work, we collected placental tissues from different gestational stages and we isolated hCV-MSCs from 1st trimester, term control, and preeclamptic placentas. We studied their ciliation, functionality, and impact on trophoblastic cell lines and organoids formed from human trophoblast stem cells (hTSCs) and from the trophoblastic cell line JEG-3 with various cellular and molecular methods, including immunofluorescence staining, gene analysis, spheroid/organoid formation, motility, and cellular network formation assay. The statistical evaluation was performed using a Student's t test (two-tailed and paired or homoscedastic) or an unpaired Mann-Whitney U test (two-tailed). RESULTS The results show that primary cilia appeared abundantly in normal hCV-MSCs, especially in the early development of the placenta. Compared to control hCV-MSCs, the primary cilia were truncated, and there were fewer ciliated hCV-MSCs derived from preeclamptic placentas with impaired hedgehog signaling. Primary cilia are necessary for hCV-MSCs' proper signal transduction, motility, homing, and differentiation, which are impaired in preeclamptic hCV-MSCs. Moreover, hCV-MSCs derived from preeclamptic placentas are significantly less capable of promoting growth and differentiation of placental organoids, as well as cellular network formation. CONCLUSIONS These data suggest that the primary cilium is required for the functionality of hCV-MSCs and primary cilia are impaired in hCV-MSCs from preeclamptic placentas.
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Affiliation(s)
- Sophia Indira Romberg
- Division of Obstetrics and Prenatal Medicine, Department of Gynecology and Obstetrics, University Hospital Frankfurt, J. W. Goethe- University, Theodor-Stern-Kai 7, D-60590, Frankfurt, Germany
| | - Nina-Naomi Kreis
- Division of Obstetrics and Prenatal Medicine, Department of Gynecology and Obstetrics, University Hospital Frankfurt, J. W. Goethe- University, Theodor-Stern-Kai 7, D-60590, Frankfurt, Germany
| | - Alexandra Friemel
- Division of Obstetrics and Prenatal Medicine, Department of Gynecology and Obstetrics, University Hospital Frankfurt, J. W. Goethe- University, Theodor-Stern-Kai 7, D-60590, Frankfurt, Germany
| | - Susanne Roth
- Division of Obstetrics and Prenatal Medicine, Department of Gynecology and Obstetrics, University Hospital Frankfurt, J. W. Goethe- University, Theodor-Stern-Kai 7, D-60590, Frankfurt, Germany
| | - Alice Steglich Souto
- Division of Obstetrics and Prenatal Medicine, Department of Gynecology and Obstetrics, University Hospital Frankfurt, J. W. Goethe- University, Theodor-Stern-Kai 7, D-60590, Frankfurt, Germany
| | - Samira Catharina Hoock
- Division of Obstetrics and Prenatal Medicine, Department of Gynecology and Obstetrics, University Hospital Frankfurt, J. W. Goethe- University, Theodor-Stern-Kai 7, D-60590, Frankfurt, Germany
| | - Kyra Fischer
- Division of Obstetrics and Prenatal Medicine, Department of Gynecology and Obstetrics, University Hospital Frankfurt, J. W. Goethe- University, Theodor-Stern-Kai 7, D-60590, Frankfurt, Germany
| | - Thorsten Nowak
- Medical practice for Gynecology, Mainzer Landstraße 265, D-60326, Frankfurt, Germany
| | - Christine Solbach
- Division of Obstetrics and Prenatal Medicine, Department of Gynecology and Obstetrics, University Hospital Frankfurt, J. W. Goethe- University, Theodor-Stern-Kai 7, D-60590, Frankfurt, Germany
| | - Frank Louwen
- Division of Obstetrics and Prenatal Medicine, Department of Gynecology and Obstetrics, University Hospital Frankfurt, J. W. Goethe- University, Theodor-Stern-Kai 7, D-60590, Frankfurt, Germany
| | - Andreas Ritter
- Division of Obstetrics and Prenatal Medicine, Department of Gynecology and Obstetrics, University Hospital Frankfurt, J. W. Goethe- University, Theodor-Stern-Kai 7, D-60590, Frankfurt, Germany.
| | - Juping Yuan
- Division of Obstetrics and Prenatal Medicine, Department of Gynecology and Obstetrics, University Hospital Frankfurt, J. W. Goethe- University, Theodor-Stern-Kai 7, D-60590, Frankfurt, Germany.
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Zolini AM, Block J, Rabaglino MB, Tríbulo P, Hoelker M, Rincon G, Bromfield JJ, Hansen PJ. Molecular fingerprint of female bovine embryos produced in vitro with high competence to establish and maintain pregnancy†. Biol Reprod 2021; 102:292-305. [PMID: 31616926 DOI: 10.1093/biolre/ioz190] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2019] [Revised: 08/06/2019] [Accepted: 10/01/2019] [Indexed: 12/11/2022] Open
Abstract
The objective was to identify the transcriptomic profile of in vitro-derived embryos with high competence to establish and maintain gestation. Embryos produced with X-sorted sperm were cultured from day 5 to day 7 in serum-free medium containing 10 ng/ml recombinant bovine colony-stimulating factor 2 (CSF2) or vehicle. The CSF2 was administered because this molecule can increase blastocyst competence for survival after embryo transfer. Blastocysts were harvested on day 7 of culture and manually bisected. One demi-embryo from a single blastocyst was transferred into a synchronized recipient and the other half was used for RNA-seq analysis. Using P < 0.01 and a fold change >2-fold or <0.5 fold as cutoffs, there were 617 differentially expressed genes (DEG) between embryos that survived to day 30 of gestation vs those that did not, 470 DEG between embryos that survived to day 60 and those that did not, 432 DEG between embryos that maintained pregnancy from day 30 to day 60 vs those where pregnancy failed after day 30, and 635 DEG regulated by CSF2. Pathways and ontologies in which DEG were overrepresented included many related to cellular responses to stress and cell survival. It was concluded that gene expression in the blastocyst is different between embryos that are competent to establish and maintain pregnancy vs those that are not. The relationship between expression of genes related to cell stress and subsequent embryonic survival probably reflects cellular perturbations caused by embryonic development taking place in the artificial environment associated with cell culture.
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Affiliation(s)
- A M Zolini
- Department of Animal Sciences, D.H. Barron Reproductive and Perinatal Biology Research Program, and Genetics Institute, University of Florida, Gainesville, Florida, USA
| | - J Block
- Zoetis Inc., Kalamazoo, Michigan, USA
| | - M B Rabaglino
- Department of Applied Mathematics and Computer Science, Instituto de Investigación en Ciencias de la Salud, CONICET, Córdoba, Argentina.,Quantitative Genetics, Bioinformatics and Computational Biology Group, Technical University of Denmark, Kongens Lyngby, Denmark
| | - P Tríbulo
- Department of Animal Sciences, D.H. Barron Reproductive and Perinatal Biology Research Program, and Genetics Institute, University of Florida, Gainesville, Florida, USA
| | - M Hoelker
- Department of Animal Breeding and Husbandry, Institute of Animal Science, University of Bonn, Bonn, Germany.,Teaching and Research Station Frankenforst, Faculty of Agriculture, University of Bonn, Königswinter, Germany.,Center of Integrated Dairy Research, University of Bonn, Bonn, Germany
| | - G Rincon
- Zoetis Inc., Kalamazoo, Michigan, USA
| | - J J Bromfield
- Department of Animal Sciences, D.H. Barron Reproductive and Perinatal Biology Research Program, and Genetics Institute, University of Florida, Gainesville, Florida, USA
| | - P J Hansen
- Department of Animal Sciences, D.H. Barron Reproductive and Perinatal Biology Research Program, and Genetics Institute, University of Florida, Gainesville, Florida, USA
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7
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García-Martínez A, Pérez-Balaguer A, Ortiz-Martínez F, Pomares-Navarro E, Sanmartín E, García-Escolano M, Montoyo-Pujol YG, Castellón-Molla E, Peiró G. Hedgehog gene expression patterns among intrinsic subtypes of breast cancer: Prognostic relevance. Pathol Res Pract 2021; 223:153478. [PMID: 34022683 DOI: 10.1016/j.prp.2021.153478] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/22/2021] [Revised: 05/04/2021] [Accepted: 05/07/2021] [Indexed: 10/21/2022]
Abstract
PURPOSE Hedgehog (Hh) signaling is a crucial developmental regulatory pathway recognized as a primary oncogenesis driver in various human cancers. However, its role in breast carcinoma (BC) has been underexplored. METHODS We analyzed the expression of several Hh associated genes in a clinical series and breast cancer cell lines. We included 193 BC stratified according to intrinsic immunophenotypes. Gene expression profiling ofBOC, PTCH, SMO, GLI1, GLI2, and GLI3 was performed by qRT-PCR. Results were correlated with clinical-pathological variables and outcome. RESULTS We observed expression ofGLI2 in triple-negative/basal-like (TN/BL) and GLI3 in luminal cells. In samples, BOC, GLI1, GLI2, and GLI3 expression correlated significantly with luminal tumors and good prognostic factors. In contrast, PTCH and SMO correlated with TN/BL phenotype and nodal involvement. Patients whose tumors expressed SMO had a poorer outcome, especially those with HER2 phenotype. Positive lymph-node status and high SMO remained independent poor prognostic factors. CONCLUSION Our results support a differential Hh pathway activation in BC phenotypes.SMO levels stratified patients at risk of recurrence and death in HER2 phenotype, and it showed an independent prognostic value. Therefore, SMO could be a potential therapeutic target for a subset of BC patients.
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Affiliation(s)
- Araceli García-Martínez
- Research Unit, University General Hospital of Alicante, and Alicante Institute for Health and Biomedical Research (ISABIAL), Pintor Baeza 12, 03010 Alicante, Spain.
| | - Ariadna Pérez-Balaguer
- Research Unit, University General Hospital of Alicante, and Alicante Institute for Health and Biomedical Research (ISABIAL), Pintor Baeza 12, 03010 Alicante, Spain
| | - Fernando Ortiz-Martínez
- Research Unit, University General Hospital of Alicante, and Alicante Institute for Health and Biomedical Research (ISABIAL), Pintor Baeza 12, 03010 Alicante, Spain
| | - Eloy Pomares-Navarro
- Research Unit, University General Hospital of Alicante, and Alicante Institute for Health and Biomedical Research (ISABIAL), Pintor Baeza 12, 03010 Alicante, Spain
| | - Elena Sanmartín
- Research Unit, University General Hospital of Alicante, and Alicante Institute for Health and Biomedical Research (ISABIAL), Pintor Baeza 12, 03010 Alicante, Spain
| | - Marta García-Escolano
- Research Unit, University General Hospital of Alicante, and Alicante Institute for Health and Biomedical Research (ISABIAL), Pintor Baeza 12, 03010 Alicante, Spain
| | - Yoel G Montoyo-Pujol
- Research Unit, University General Hospital of Alicante, and Alicante Institute for Health and Biomedical Research (ISABIAL), Pintor Baeza 12, 03010 Alicante, Spain
| | - Elena Castellón-Molla
- Pathology Dept., University General Hospital of Alicante, and Alicante Institute for Health and Biomedical Research (ISABIAL), Pintor Baeza 12, 03010 Alicante, Spain
| | - Gloria Peiró
- Research Unit, University General Hospital of Alicante, and Alicante Institute for Health and Biomedical Research (ISABIAL), Pintor Baeza 12, 03010 Alicante, Spain; Pathology Dept., University General Hospital of Alicante, and Alicante Institute for Health and Biomedical Research (ISABIAL), Pintor Baeza 12, 03010 Alicante, Spain
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8
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Wang Z, Shan Y, Yang Y, Wang T, Guo Z. MicroRNA-155 is upregulated in the placentas of patients with preeclampsia and affects trophoblast apoptosis by targeting SHH/GLi1/BCL2. Hum Exp Toxicol 2021; 40:439-451. [PMID: 32909851 DOI: 10.1177/0960327120954252] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
The pathogenesis of preeclampsia (PE) is complicated and multiple risk factors have been associated with its occurrence. Still, the underlying molecular mechanisms involved in PE remain elusive. Aberrant apoptosis and insufficient invasion of trophoblasts have been observed and are considered vital pathological features in PE. Herein, we found that miR-155 can specifically degrade the mRNA of the Hedgehog ligand sonic hedgehog (SHH), using dual luciferase reporter assays. Quantitative real-time PCR found that administering miR-155 mimics or inhibitors could significantly decrease or increase the expression of SHH in the trophoblasts, respectively. The transcription levels of miR-155 in the placenta were higher in patients with PE compared to the levels in healthy pregnant women, as shown by quantitative real-time PCR. Serum levels of miR-155 could predict the diagnosis of PE by receiver operating characteristic curve analysis and diagnosis evaluation tests. A significant increase in apoptosis was observed after administering miR-155 in HTR8/SVneo cells cultured ex vivo, accompanied by reduced proliferation. Mechanistically, transcriptional activity and expression of GLi1 were also inhibited under treatment of miR-155, and could be recovered after supplying additional recombinant human SHH to primary trophoblasts from patients, as determined by luciferase activity assays and western blotting. We further found that inhibiting miR-155 increased the production of SHH and improved the phenotype in primary trophoblasts from patients with PE. Our data show that miR-155 regulates apoptosis of trophoblasts in PE, which has potential value for predicting PE risk and might be deemed as a therapeutic target for treating PE.
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Affiliation(s)
- Zhenpeng Wang
- Department of Gynecologic Oncologic, 117971The First Hospital of Jilin University, Changchun, Jilin, China
| | - Yanhong Shan
- Department of Obstetrics, 117971The First Hospital of Jilin University, Changchun, Jilin, China
| | - Yi Yang
- Center of Reproductive Medicine, Center of Prenatal Diagnosis, 117971The First Hospital of Jilin University, Changchun, Jilin, China
| | - Tianshu Wang
- Department of Obstetrics, 117971The First Hospital of Jilin University, Changchun, Jilin, China
| | - Zhiheng Guo
- Department of Obstetrics, 117971The First Hospital of Jilin University, Changchun, Jilin, China
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9
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Pan Y, Yan L, Chen Q, Wei C, Dai Y, Tong X, Zhu H, Lu M, Zhang Y, Jin X, Zhang T, Lin X, Zhou F, Zhang S. Dysfunction of Shh signaling activates autophagy to inhibit trophoblast motility in recurrent miscarriage. Exp Mol Med 2021; 53:52-66. [PMID: 33390589 PMCID: PMC8080798 DOI: 10.1038/s12276-020-00530-6] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2020] [Revised: 09/23/2020] [Accepted: 10/20/2020] [Indexed: 01/29/2023] Open
Abstract
In early pregnancy, the placenta anchors the conceptus and supports embryonic development and survival. This study aimed to investigate the underlying functions of Shh signaling in recurrent miscarriage (RM), a serious disorder of pregnancy. In the present study, Shh and Gli2 were mainly observed in cytotrophoblasts (CTBs), Ptch was mainly observed in syncytiotrophoblasts (STBs), and Smo and Gli3 were expressed in both CTBs and STBs. Shh signaling was significantly impaired in human placenta tissue from recurrent miscarriage patients compared to that of gestational age-matched normal controls. VEGF-A and CD31 protein levels were also significantly decreased in recurrent miscarriage patients. Furthermore, inhibition of Shh signaling impaired the motility of JAR cells by regulating the expression of Gli2 and Gli3. Intriguingly, inhibition of Shh signaling also triggered autophagy and autolysosome accumulation. Additionally, knockdown of BECN1 reversed Gant61-induced motility inhibition. In conclusion, our results showed that dysfunction of Shh signaling activated autophagy to inhibit trophoblast motility, which suggests the Shh pathway and autophagy as potential targets for RM therapy.
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Affiliation(s)
- Yibin Pan
- grid.13402.340000 0004 1759 700XAssisted Reproduction Unit, Department of Obstetrics and Gynecology, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China ,Key Laboratory of Reproductive Dysfunction Management of Zhejiang Province, Hangzhou, China
| | - Lili Yan
- grid.13402.340000 0004 1759 700XAssisted Reproduction Unit, Department of Obstetrics and Gynecology, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China ,Key Laboratory of Reproductive Dysfunction Management of Zhejiang Province, Hangzhou, China ,Beilun District Hospital of Traditional Chinese Medicine, Ningbo City, Zhejiang China
| | - Qiaoqiao Chen
- grid.13402.340000 0004 1759 700XAssisted Reproduction Unit, Department of Obstetrics and Gynecology, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China ,Key Laboratory of Reproductive Dysfunction Management of Zhejiang Province, Hangzhou, China
| | - Cheng Wei
- grid.13402.340000 0004 1759 700XAssisted Reproduction Unit, Department of Obstetrics and Gynecology, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China ,Key Laboratory of Reproductive Dysfunction Management of Zhejiang Province, Hangzhou, China
| | - Yongdong Dai
- grid.13402.340000 0004 1759 700XAssisted Reproduction Unit, Department of Obstetrics and Gynecology, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China ,Key Laboratory of Reproductive Dysfunction Management of Zhejiang Province, Hangzhou, China
| | - Xiaomei Tong
- grid.13402.340000 0004 1759 700XAssisted Reproduction Unit, Department of Obstetrics and Gynecology, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China ,Key Laboratory of Reproductive Dysfunction Management of Zhejiang Province, Hangzhou, China
| | - Haiyan Zhu
- grid.13402.340000 0004 1759 700XAssisted Reproduction Unit, Department of Obstetrics and Gynecology, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China ,Key Laboratory of Reproductive Dysfunction Management of Zhejiang Province, Hangzhou, China
| | - Meifei Lu
- grid.13402.340000 0004 1759 700XDepartment of Pharmacy, The Children’s Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Yanling Zhang
- grid.13402.340000 0004 1759 700XAssisted Reproduction Unit, Department of Obstetrics and Gynecology, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China ,Key Laboratory of Reproductive Dysfunction Management of Zhejiang Province, Hangzhou, China
| | - Xiaoying Jin
- grid.13402.340000 0004 1759 700XAssisted Reproduction Unit, Department of Obstetrics and Gynecology, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China ,Key Laboratory of Reproductive Dysfunction Management of Zhejiang Province, Hangzhou, China
| | - Tai Zhang
- grid.13402.340000 0004 1759 700XAssisted Reproduction Unit, Department of Obstetrics and Gynecology, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China ,Key Laboratory of Reproductive Dysfunction Management of Zhejiang Province, Hangzhou, China
| | - Xiaona Lin
- grid.13402.340000 0004 1759 700XAssisted Reproduction Unit, Department of Obstetrics and Gynecology, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China ,Key Laboratory of Reproductive Dysfunction Management of Zhejiang Province, Hangzhou, China
| | - Feng Zhou
- grid.13402.340000 0004 1759 700XAssisted Reproduction Unit, Department of Obstetrics and Gynecology, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Songying Zhang
- grid.13402.340000 0004 1759 700XAssisted Reproduction Unit, Department of Obstetrics and Gynecology, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China ,Key Laboratory of Reproductive Dysfunction Management of Zhejiang Province, Hangzhou, China
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10
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Deshpande SS, Nemani H, Arumugam G, Ravichandran A, Balasinor NH. High-fat diet-induced and genetically inherited obesity differentially alters DNA methylation profile in the germline of adult male rats. Clin Epigenetics 2020; 12:179. [PMID: 33213487 PMCID: PMC7678167 DOI: 10.1186/s13148-020-00974-7] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2020] [Accepted: 11/10/2020] [Indexed: 12/19/2022] Open
Abstract
BACKGROUND Paternal obesity has been associated with reduced live birth rates. It could lead to inheritance of metabolic disturbances to the offspring through epigenetic mechanisms. However, obesity is a multifactorial disorder with genetic or environmental causes. Earlier we had demonstrated differential effects of high-fat diet-induced obesity (DIO) and genetically inherited obesity (GIO) on metabolic, hormonal profile, male fertility, and spermatogenesis using two rat models. The present study aimed to understand the effect of DIO and GIO on DNA methylation in male germline, and its subsequent effects on the resorbed (post-implantation embryo loss) and normal embryos. First, we assessed the DNA methylation enzymatic machinery in the testis by Real-Time PCR, followed global DNA methylation levels in spermatozoa and testicular cells by ELISA and flow cytometry, respectively. Further, we performed Methylation Sequencing in spermatozoa for both the groups. Sequencing data in spermatozoa from both the groups were validated using Pyrosequencing. Expression of the differentially methylated genes was assessed in the resorbed and normal embryos sired by the DIO group using Real-Time PCR for functional validation. RESULTS We noted a significant decrease in Dnmt transcript and global DNA methylation levels in the DIO group and an increase in the GIO group. Sequencing analysis showed 16,966 and 9113 differentially methylated regions in the spermatozoa of the DIO and GIO groups, respectively. Upon pathway analysis, we observed genes enriched in pathways involved in embryo growth and development namely Wnt, Hedgehog, TGF-beta, and Notch in spermatozoa for both the groups, the methylation status of which partially correlated with the gene expression pattern in resorbed and normal embryos sired by the DIO group. CONCLUSION Our study reports the mechanism by which diet-induced and genetically inherited obesity causes differential effects on the DNA methylation in the male germline that could be due to a difference in the white adipose tissue accumulation. These differences could either lead to embryo loss or transmit obesity-related traits to the offspring in adult life.
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Affiliation(s)
- Sharvari S. Deshpande
- Department of Neuroendocrinology, ICMR-National Institute for Research in Reproductive Health, Jehangir Merwanji Street, Parel, Mumbai 400012 India
| | - Harishankar Nemani
- National Institute of Nutrition Animal Facility, ICMR-National Institute of Nutrition, Jamai-Osmania PO, Hyderabad 500 007 India
| | - Gandhimathi Arumugam
- Genome Informatics Department, Genotypic Technologies Pvt. Ltd., #2/13, Balaji Complex, Poojari Layout, 80 Feet Road, R.M.V. 2nd stage, Bengaluru, India
| | - Avinash Ravichandran
- Genome Informatics Department, Genotypic Technologies Pvt. Ltd., #2/13, Balaji Complex, Poojari Layout, 80 Feet Road, R.M.V. 2nd stage, Bengaluru, India
| | - Nafisa H. Balasinor
- Department of Neuroendocrinology, ICMR-National Institute for Research in Reproductive Health, Jehangir Merwanji Street, Parel, Mumbai 400012 India
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11
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Wang X, Xu C, Ji J, Cai Y, Shu Y, Chao Y, Wu X, Zou C, Wu X, Tang L. IL-4/IL-13 upregulates Sonic hedgehog expression to induce allergic airway epithelial remodeling. Am J Physiol Lung Cell Mol Physiol 2020; 318:L888-L899. [PMID: 32130032 DOI: 10.1152/ajplung.00186.2019] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
We have previously demonstrated that upregulation of Sonic hedgehog (SHH) expression in allergic airway epithelia essentially contributes to the goblet cell metaplasia and mucous hypersecretion. However, the mechanism underlying the upregulation of SHH expression remains completely unknown. In cultured human airway epithelial cells, IL-4/IL-13 but not IL-5 robustly induces the mRNA and protein expression of SHH and in turn activates SHH signaling by promoting the JAK/STAT6-controlling transcription of SHH gene. Moreover, intratracheal instillation of IL-4 and/or IL-13 robustly activates STAT6 and concomitantly upregulates SHH expression in mouse airway epithelia, whereas, in Club cell 10-kDa protein (CC10)-positive airway epithelial cells of children with asthma, activated STAT6 closely correlates with the increased expression of SHH and high activity of SHH signaling. Finally, intratracheal inhibition of STAT6 by AS-1517499 significantly diminished the allergen-induced upregulation of SHH expression, goblet cell phenotypes, and airway hyperresponsiveness, in an ovalbumin- or house dust mite-induced mouse model with allergic airway inflammation,. Together, upregulation of SHH expression by IL-4/IL-13-induced JAK/STAT6 signaling contributes to allergic airway epithelial remodeling, and this study thus provides insight into how morphogen signaling is coordinated with Th2 cytokine pathways to regulate tissue remodeling in chronic airway diseases.
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Affiliation(s)
- Xiangzhi Wang
- Department of Respiratory Medicine, The Children's Hospital, Zhejiang University School of Medicine, Hangzhou, China.,National Clinical Research Center for Child Health, Hangzhou, China
| | - Chengyun Xu
- Department of Pharmacology, Zhejiang University School of Medicine, Hangzhou, China.,Key Laboratory of CFDA for Respiratory Drug Research, Zhejiang University School of Medicine, Hangzhou, China
| | - Junyan Ji
- Department of Respiratory Medicine, The Children's Hospital, Zhejiang University School of Medicine, Hangzhou, China.,National Clinical Research Center for Child Health, Hangzhou, China
| | - Yuqing Cai
- Department of Respiratory Medicine, The Children's Hospital, Zhejiang University School of Medicine, Hangzhou, China.,National Clinical Research Center for Child Health, Hangzhou, China
| | - Yingying Shu
- National Clinical Research Center for Child Health, Hangzhou, China.,Department of Endocrinology, The Children's Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Yunqi Chao
- National Clinical Research Center for Child Health, Hangzhou, China.,Department of Endocrinology, The Children's Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Xiling Wu
- Department of Respiratory Medicine, The Children's Hospital, Zhejiang University School of Medicine, Hangzhou, China.,National Clinical Research Center for Child Health, Hangzhou, China
| | - Chaochun Zou
- National Clinical Research Center for Child Health, Hangzhou, China.,Department of Endocrinology, The Children's Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Ximei Wu
- Department of Pharmacology, Zhejiang University School of Medicine, Hangzhou, China.,Key Laboratory of CFDA for Respiratory Drug Research, Zhejiang University School of Medicine, Hangzhou, China
| | - Lanfang Tang
- Department of Respiratory Medicine, The Children's Hospital, Zhejiang University School of Medicine, Hangzhou, China.,National Clinical Research Center for Child Health, Hangzhou, China
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12
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Zheng L, Rui C, Zhang H, Chen J, Jia X, Xiao Y. Sonic hedgehog signaling in epithelial tissue development. Regen Med Res 2019; 7:3. [PMID: 31898580 PMCID: PMC6941452 DOI: 10.1051/rmr/190004] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2019] [Accepted: 12/09/2019] [Indexed: 12/16/2022] Open
Abstract
The Sonic hedgehog (SHH) signaling pathway is essential for embryonic development and tissue regeneration. The dysfunction of SHH pathway is involved in a variety of diseases, including cancer, birth defects, and other diseases. Here we reviewed recent studies on main molecules involved in the SHH signaling pathway, specifically focused on their function in epithelial tissue and appendages development, including epidermis, touch dome, hair, sebaceous gland, mammary gland, tooth, nail, gastric epithelium, and intestinal epithelium. The advance in understanding the SHH signaling pathway will give us more clues to the mechanisms of tissue repair and regeneration, as well as the development of new treatment for diseases related to dysregulation of SHH signaling pathway.
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Affiliation(s)
- Lu Zheng
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Central Lab of Biomedical Research Center, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University Hangzhou PR China
| | - Chen Rui
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Central Lab of Biomedical Research Center, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University Hangzhou PR China
| | - Hao Zhang
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Central Lab of Biomedical Research Center, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University Hangzhou PR China
| | - Jing Chen
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Central Lab of Biomedical Research Center, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University Hangzhou PR China
| | - Xiuzhi Jia
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Central Lab of Biomedical Research Center, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University Hangzhou PR China
| | - Ying Xiao
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Central Lab of Biomedical Research Center, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University Hangzhou PR China
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13
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Bayes Factor-Based Regulatory Gene Network Analysis of Genome-Wide Association Study of Economic Traits in a Purebred Swine Population. Genes (Basel) 2019; 10:genes10040293. [PMID: 30974885 PMCID: PMC6523153 DOI: 10.3390/genes10040293] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2019] [Revised: 03/08/2019] [Accepted: 04/01/2019] [Indexed: 01/06/2023] Open
Abstract
Early stage prediction of economic trait performance is important and directly linked to profitability of farm pig production. Genome-wide association study (GWAS) has been applied to find causative genomic regions of traits. This study established a regulatory gene network using GWAS for critical economic pig characteristics, centered on easily measurable body fat thickness in live animals. We genotyped 2,681 pigs using Illumina Porcine SNP60, followed by GWAS to calculate Bayes factors for 47,697 single nucleotide polymorphisms (SNPs) of seven traits. Using this information, SNPs were annotated with specific genes near genome locations to establish the association weight matrix. The entire network consisted of 226 nodes and 6,921 significant edges. For in silico validation of their interactions, we conducted regulatory sequence analysis of predicted target genes of transcription factors (TFs). Three key regulatory TFs were identified to guarantee maximum coverage: AT-rich interaction domain 3B (ARID3B), glial cell missing homolog 1 (GCM1), and GLI family zinc finger 2 (GLI2). We identified numerous genes targeted by ARID3B, associated with cellular processes. GCM1 and GLI2 were involved in developmental processes, and their shared target genes regulated multicellular organismal process. This system biology-based function analysis might contribute to enhancing understanding of economic pig traits.
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14
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Hong W, Kuang H, He X, Yang L, Yang P, Chen B, Aguilar ZP, Xu H. CdSe/ZnS Quantum Dots Impaired the First Two Generations of Placenta Growth in an Animal Model, Based on the Shh Signaling Pathway. NANOMATERIALS 2019; 9:nano9020257. [PMID: 30769773 PMCID: PMC6409599 DOI: 10.3390/nano9020257] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/27/2018] [Revised: 02/07/2019] [Accepted: 02/11/2019] [Indexed: 12/19/2022]
Abstract
The toxicity, especially the transgenerational toxicity of quantum dots (QDs) in vivo, is still scarcely understood in spite of great promising applications of QDs in biomedicine. In this study, the maternal status, pregnancy outcome, and fetus development of parental generation (P0) to offspring in three generations (F3) were investigated after Kunming mice perinatal (GD 13-PND 5) exposure to Cd containing QDs (CdSe/ZnS QDs) and CdCl2. The results show CdSe/ZnS QDs induced placenta injuries in P0 and diminished placenta diameters in F1 and F2. Bodyweight growth decreased in the CdSe/ZnS QDs treatment group in the F1 and F2 generation. Additionally, CdSe/ZnS QDs significantly altered the expression of key genes in the Shh signal pathway. Overall, this study exhibited that the CdSe/ZnS QDs exposure during perinatal period impaired placenta growth in the first two generations, but not on the third generation. The toxicological actions of the CdSe/ZnS QDs might be through the effects on the Shh signal pathway.
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Affiliation(s)
- Wuding Hong
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, China.
| | - Huijuan Kuang
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, China.
| | - Xingping He
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, China.
| | - Lin Yang
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, China.
| | - Pengfei Yang
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, China.
| | - Bolu Chen
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, China.
| | | | - Hengyi Xu
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, China.
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15
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Gli Proteins: Regulation in Development and Cancer. Cells 2019; 8:cells8020147. [PMID: 30754706 PMCID: PMC6406693 DOI: 10.3390/cells8020147] [Citation(s) in RCA: 106] [Impact Index Per Article: 21.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2019] [Revised: 01/29/2019] [Accepted: 02/02/2019] [Indexed: 12/18/2022] Open
Abstract
Gli proteins are transcriptional effectors of the Hedgehog signaling pathway. They play key roles in the development of many organs and tissues, and are deregulated in birth defects and cancer. We review the molecular mechanisms of Gli protein regulation in mammals, with special emphasis on posttranslational modifications and intracellular transport. We also discuss how Gli proteins interact with co-activators and co-repressors to fine-tune the expression of Hedgehog target genes. Finally, we provide an overview of the regulation of developmental processes and tissue regeneration by Gli proteins and discuss how these proteins are involved in cancer progression, both through canonical regulation via the Hedgehog pathway and through cross-talk with other signaling pathways.
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16
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Gupta P, Gupta N, Fofaria NM, Ranjan A, Srivastava SK. HER2-mediated GLI2 stabilization promotes anoikis resistance and metastasis of breast cancer cells. Cancer Lett 2018; 442:68-81. [PMID: 30409762 DOI: 10.1016/j.canlet.2018.10.021] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2018] [Revised: 10/09/2018] [Accepted: 10/17/2018] [Indexed: 10/28/2022]
Abstract
Breast cancer metastasis is a multi-step process and requires cells to overcome anoikis. Anoikis is defined as cell-death that occurs due to loss of cell adhesion. During the course of cancer progression, tumor cells acquire resistance to anoikis. However, mechanisms of anoikis resistance are not clear. Human epidermal growth receptor 2 (HER2) overexpressing breast tumors are known to be highly aggressive and metastatic. The mechanisms correlating HER2 with metastasis are poorly understood. We observed increased anoikis resistance in HER2 overexpressing breast cancer cells. In addition, we identified that HER2 overexpression was also associated with increased sonic hedgehog (SHH) signaling especially GLI2, and that inhibition of SHH pathway suppressed anoikis resistance. GSK3β is known to facilitate proteasome-mediated degradation of GLI2. Moreover, we observed that silencing of GLI2 resulted in reduced migration and invasion of HER2 overexpressing cells. Anoikis resistant HER2 overexpressing cells also showed increased rate and extent of metastasis in vivo, as compared to wild type anoikis resistant cells. Taken together, this study indicates a novel role of HER2/GSK3β/GLI2 axis in anoikis resistance and metastasis, and that GLI2 could be a potential target for anti-cancer therapies.
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Affiliation(s)
- Parul Gupta
- Department of Biomedical Sciences and Cancer Biology Center, Texas Tech University Health Sciences Center, Amarillo, TX, 79106, USA
| | - Nehal Gupta
- Department of Biomedical Sciences and Cancer Biology Center, Texas Tech University Health Sciences Center, Amarillo, TX, 79106, USA
| | - Neel M Fofaria
- Department of Biomedical Sciences and Cancer Biology Center, Texas Tech University Health Sciences Center, Amarillo, TX, 79106, USA
| | - Alok Ranjan
- Department of Biomedical Sciences and Cancer Biology Center, Texas Tech University Health Sciences Center, Amarillo, TX, 79106, USA
| | - Sanjay K Srivastava
- Department of Biomedical Sciences and Cancer Biology Center, Texas Tech University Health Sciences Center, Amarillo, TX, 79106, USA; Department of Immunotherapeutics and Biotechnology, Texas Tech University Health Sciences Center, Abilene, TX, 79601, USA.
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17
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Xu C, Zou C, Hussain M, Shi W, Shao Y, Jiang Z, Wu X, Lu M, Wu J, Xie Q, Ke Y, Long F, Tang L, Wu X. High expression of Sonic hedgehog in allergic airway epithelia contributes to goblet cell metaplasia. Mucosal Immunol 2018; 11:1306-1315. [PMID: 29867080 PMCID: PMC6160330 DOI: 10.1038/s41385-018-0033-4] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2017] [Revised: 03/15/2018] [Accepted: 04/27/2018] [Indexed: 02/04/2023]
Abstract
Sonic hedgehog (SHH) is abundantly expressed and critical for morphogenesis in embryonic lungs; however, SHH expression drops to a much lower level in mice from E17.5 and in humans from the 21st gestational week. We find that SHH expression is robustly upregulated in the airway epithelia of children with asthma or mouse models with allergic airway disease. Specifically, airway-specific SMO loss of function significantly suppresses allergen-induced goblet cell phenotypes, whereas an airway-specific SMO gain of function markedly enhances the goblet cell phenotypes in mouse models with allergic airway disease. Notably, intratracheal administration with SHH-neutralizing antibody or cyclopamine robustly attenuates goblet cell phenotypes in mouse models with allergic airway disease. Finally, we identify that Muc5AC gene encoding MUC5AC mucin serves as a direct target of GLI transcriptional factors in response to SHH, whereas the SAM-pointed domain-containing ETS transcription factor and Forkhead box A2, critical transcriptional factors for goblet cell phenotypes, both function as the effectors of GLIs in response to SHH stimulation. Together, the upregulation of SHH expression in allergic bronchial epithelia contributes to goblet cell metaplasia; thus, blockage of SHH signaling is a rational approach in a therapeutic intervention of epithelial remodeling in chronic airway diseases.
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Affiliation(s)
- Chengyun Xu
- Department of Pharmacology, Zhejiang University School of Medicine, 310058, Hangzhou, China
- Key Laboratory of CFDA for Respiratory Drug Research, Zhejiang University School of Medicine, 310058, Hangzhou, China
| | - Chaochun Zou
- Department of Respiratory Medicine of the Children's Hospital, Zhejiang University School of Medicine, 310058, Hangzhou, China
| | - Musaddique Hussain
- Department of Pharmacology, Zhejiang University School of Medicine, 310058, Hangzhou, China
- Key Laboratory of CFDA for Respiratory Drug Research, Zhejiang University School of Medicine, 310058, Hangzhou, China
| | - Wei Shi
- Department of Pharmacology, Zhejiang University School of Medicine, 310058, Hangzhou, China
- Key Laboratory of CFDA for Respiratory Drug Research, Zhejiang University School of Medicine, 310058, Hangzhou, China
| | - Yanan Shao
- Department of Respiratory Medicine of the Children's Hospital, Zhejiang University School of Medicine, 310058, Hangzhou, China
| | - Ziyan Jiang
- Department of Respiratory Medicine of the Children's Hospital, Zhejiang University School of Medicine, 310058, Hangzhou, China
| | - Xiling Wu
- Department of Respiratory Medicine of the Children's Hospital, Zhejiang University School of Medicine, 310058, Hangzhou, China
| | - Meiping Lu
- Department of Respiratory Medicine of the Children's Hospital, Zhejiang University School of Medicine, 310058, Hangzhou, China
| | - Junsong Wu
- Department of Orthopedics of the First Affiliated Hospital, Zhejiang University School of Medicine, 310058, Hangzhou, China
| | - Qiangmin Xie
- Department of Pharmacology, Zhejiang University School of Medicine, 310058, Hangzhou, China
- Key Laboratory of CFDA for Respiratory Drug Research, Zhejiang University School of Medicine, 310058, Hangzhou, China
| | - Yuehai Ke
- Department of Pathology, Zhejiang University School of Medicine, 310058, Hangzhou, China
| | - Fanxin Long
- Departments of Orthopedics, Medicine and Developmental Biology, Washington University in St. Louis, St. Louis, MO, 63110, USA
| | - Lanfang Tang
- Department of Respiratory Medicine of the Children's Hospital, Zhejiang University School of Medicine, 310058, Hangzhou, China.
| | - Ximei Wu
- Department of Pharmacology, Zhejiang University School of Medicine, 310058, Hangzhou, China.
- Key Laboratory of CFDA for Respiratory Drug Research, Zhejiang University School of Medicine, 310058, Hangzhou, China.
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18
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Stuart TJ, O’Neill K, Condon D, Sasson I, Sen P, Xia Y, Simmons RA. Diet-induced obesity alters the maternal metabolome and early placenta transcriptome and decreases placenta vascularity in the mouse. Biol Reprod 2018; 98:795-809. [PMID: 29360948 PMCID: PMC6454478 DOI: 10.1093/biolre/ioy010] [Citation(s) in RCA: 42] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2017] [Revised: 12/19/2017] [Accepted: 01/17/2018] [Indexed: 12/19/2022] Open
Abstract
Maternal obesity is associated with an increased risk of obesity and metabolic disease in offspring. Increasing evidence suggests that the placenta plays an active role in fetal programming. In this study, we used a mouse model of diet-induced obesity to demonstrate that the abnormal metabolic milieu of maternal obesity sets the stage very early in pregnancy by altering the transcriptome of placenta progenitor cells in the preimplantation (trophectoderm [TE]) and early postimplantation (ectoplacental cone [EPC]) placenta precursors, which is associated with later changes in placenta development and function. Sphingolipid metabolism was markedly altered in the plasma of obese dams very early in pregnancy as was expression of genes related to sphingolipid processing in the early placenta. Upregulation of these pathways inhibits angiogenesis and causes endothelial dysfunction. The expression of many other genes related to angiogenesis and vascular development were disrupted in the TE and EPC. Other key changes in the maternal metabolome in obese dams that are likely to influence placenta and fetal development include a marked decrease in myo and chiro-inositol. These early metabolic and gene expression changes may contribute to phenotypic changes in the placenta, as we found that exposure to a high-fat diet decreased placenta microvessel density at both mid and late gestation. This is the first study to demonstrate that maternal obesity alters the transcriptome at the earliest stages of murine placenta development.
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Affiliation(s)
- Tami J Stuart
- Department of Pediatrics, Division of Neonatology, Children's Hospital of Philadelphia, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Kathleen O’Neill
- Department of Obstetrics and Gynecology, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - David Condon
- Institute for Diabetes, Obesity, and Metabolism, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Issac Sasson
- Department of Obstetrics and Gynecology, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Payel Sen
- Epigenetics Center, Department of Cell and Developmental Biology, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Yunwei Xia
- College of Arts and Sciences, Cornell University, Ithaca, New York, USA
| | - Rebecca A Simmons
- Department of Pediatrics, Division of Neonatology, Children's Hospital of Philadelphia, University of Pennsylvania, Philadelphia, Pennsylvania, USA
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19
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Tobita T, Kiyozumi D, Ikawa M. Placenta-specific gene manipulation using lentiviral vector and its application. Placenta 2017; 59 Suppl 1:S37-S43. [PMID: 28988726 DOI: 10.1016/j.placenta.2017.09.012] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/14/2017] [Revised: 09/20/2017] [Accepted: 09/25/2017] [Indexed: 12/16/2022]
Abstract
The placenta is an essential organ for embryo development in the uterus of eutherian mammals. Large contributions in unveiling molecular mechanisms and physiological functions underlying placental formation were made by analyzing mutant and transgenic animals. However, it had been difficult to elucidate whether the placental defects observed in such animals originate from the placenta itself or from the fetus, as both placental and fetal genomes are modified. Therefore strategies to modify the placental genome without affecting the "fetal genome" had been needed. Through the ingenious use of lentiviral (LV) vectors, placenta-specific modification is now possible. Lentivirus is a genus of retroviruses that use reverse-transcriptase to convert its single-strand RNA genome to double-strand DNA and integrate into the host genome. Previous studies showed that when LV vectors were used to transduce embryos at the 2-cell stage, the viral genome is systemically introduced into host genome. Interestingly, by delaying the timing of transduction to the blastocyst stage, the transgene is expressed specifically in the placenta as a consequence of trophectoderm-specific viral transduction. This review summarizes the development of the LV vector-mediated placenta-specific gene manipulation technology and its application in placental research over the past decade. A perspective for future application of LV vectors to further placenta research, especially in combination with next generation genome editing technologies, is also presented.
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Affiliation(s)
- Tomohiro Tobita
- Research Institute for Microbial Diseases, Osaka University, Osaka, Japan; Graduate School of Medicine, Osaka University, Osaka, Japan
| | - Daiji Kiyozumi
- Research Institute for Microbial Diseases, Osaka University, Osaka, Japan
| | - Masahito Ikawa
- Research Institute for Microbial Diseases, Osaka University, Osaka, Japan; Graduate School of Medicine, Osaka University, Osaka, Japan.
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20
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Ji X, Hu X, Zou C, Ruan H, Fan X, Tang C, Shi W, Mei L, Zhu H, Hussain M, Zeng L, Zhang X, Wu X. Vitamin C deficiency exacerbates diabetic glomerular injury through activation of transforming growth factor-β signaling. Biochim Biophys Acta Gen Subj 2017; 1861:2186-2195. [PMID: 28652077 DOI: 10.1016/j.bbagen.2017.06.018] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2017] [Revised: 06/20/2017] [Accepted: 06/22/2017] [Indexed: 01/04/2023]
Abstract
BACKGROUND The hyperglycemia and hyperoxidation that characterize diabetes lead to reduced vitamin C (VC) in diabetic humans and experimentally diabetic animals. Herein, we access the effects of VC deficiency on the diabetic kidney injury and explore the underlying mechanism. METHODS l-gulonolactone oxidase conventional knockout (Gulo-/-) mice genetically unable to synthesize VC were subjected to streptozotocin-induced diabetic kidney injury and the role of VC deficiency was evaluated by biochemical and histological approaches. Rat mesangial cells were cultured to investigate the underlying mechanism. RESULTS Functionally, VC deficiency aggravates the streptozotocin-induced renal insufficiency, exhibiting the increased urine albumin, water intake, and urine volume in Gulo-/- mice. Morphologically, VC deficiency exacerbates the streptozotocin-induced kidney injury, exhibiting the increased glomerular expansion, deposition of Periodic Acid-Schiff- and Masson-positive materials, and expression of α-smooth muscle actin, fibronectin and type 4 collagen in glomeruli of Gulo-/- mice. Mechanistically, VC activates protein kinase B (Akt) to destabilize Ski and thereby induce the expression of Smad7, resulting in suppression of TGF-β/Smad signaling and extracellular matrix deposition in mesangial cells. CONCLUSIONS VC is essential for the renal function maintenance in diabetes. GENERAL SIGNIFICANCE Compensation for the loss of VC could be an effective remedy for diabetic kidney injury.
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Affiliation(s)
- Xing Ji
- Department of Pharmacology, Zhejiang University Medical School, Hangzhou 310058, China
| | - Xinhua Hu
- Department of Pharmacology, Zhejiang University Medical School, Hangzhou 310058, China
| | - Chaochun Zou
- Department of Endocrinology, the Affiliated Children Hospital, Zhejiang University Medical School, Hangzhou 310006, China
| | - Hongfeng Ruan
- Department of Pharmacology, Zhejiang University Medical School, Hangzhou 310058, China
| | - Xueying Fan
- Department of Pharmacology, Zhejiang University Medical School, Hangzhou 310058, China
| | - Chao Tang
- Department of Pharmacology, Zhejiang University Medical School, Hangzhou 310058, China
| | - Wei Shi
- Department of Pharmacology, Zhejiang University Medical School, Hangzhou 310058, China
| | - Liu Mei
- Department of Pharmacology, Zhejiang University Medical School, Hangzhou 310058, China
| | - Haibin Zhu
- Department of Gynecology and Obstetrics, the First Affiliated Hospital, Zhejiang University Medical School, Hangzhou 310009, China
| | - Musaddique Hussain
- Department of Pharmacology, Zhejiang University Medical School, Hangzhou 310058, China
| | - Linghui Zeng
- Department of Pharmacology, Zhejiang University City College, Hangzhou 310023, China
| | - Xiaodong Zhang
- Department of Cell Biology, Wuhan University College of Life Science, Wuhan 430072, China
| | - Ximei Wu
- Department of Pharmacology, Zhejiang University Medical School, Hangzhou 310058, China.
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21
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Feuerstein M, Chleilat E, Khakipoor S, Michailidis K, Ophoven C, Roussa E. Expression patterns of key Sonic Hedgehog signaling pathway components in the developing and adult mouse midbrain and in the MN9D cell line. Cell Tissue Res 2017; 370:211-225. [PMID: 28799057 PMCID: PMC5640734 DOI: 10.1007/s00441-017-2664-2] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2016] [Revised: 06/22/2017] [Accepted: 06/23/2017] [Indexed: 12/29/2022]
Abstract
The temporal dynamic expression of Sonic Hedgehog (SHH) and signaling during early midbrain dopaminergic (mDA) neuron development is one of the key players in establishing mDA progenitor diversity. However, whether SHH signaling is also required during later developmental stages and in mature mDA neurons is less understood. We study the expression of SHH receptors Ptch1 and Gas1 (growth arrest-specific 1) and of the transcription factors Gli1, Gli2 and Gli3 in mouse midbrain during embryonic development [embryonic day (E) 12.5 onwards)], in newborn and adult mice using in situ hybridization and immunohistochemistry. Moreover, we examine the expression and regulation of dopaminergic neuronal progenitor markers, midbrain dopaminergic neuronal markers and markers of the SHH signaling pathway in undifferentiated and butyric acid-treated (differentiated) MN9D cells in the presence or absence of exogenous SHH in vitro by RT-PCR, immunoblotting and immunocytochemistry. Gli1 was expressed in the lateral mesencephalic domains, whereas Gli2 and Gli3 were expressed dorsolaterally and complemented by ventrolateral expression of Ptch1. Co-localization with tyrosine hydroxylase could not be observed. GAS1 was exclusively expressed in the dorsal mesencephalon at E11.5 and co-localized with Ki67. In contrast, MN9D cells expressed all the genes investigated and treatment of the cells with butyric acid significantly upregulated their expression. The results suggest that SHH is only indirectly involved in the differentiation and survival of mDA neurons and that the MN9D cell line is a valuable model for investigating early development but not the differentiation and survival of mDA neurons.
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Affiliation(s)
- Melanie Feuerstein
- Institute of Anatomy and Cell Biology, Department of Molecular Embryology, Faculty of Medicine, University of Freiburg, Albertstrasse 17, D-79104, Freiburg, Germany
| | - Enaam Chleilat
- Institute of Anatomy and Cell Biology, Department of Molecular Embryology, Faculty of Medicine, University of Freiburg, Albertstrasse 17, D-79104, Freiburg, Germany
| | - Shokoufeh Khakipoor
- Institute of Anatomy and Cell Biology, Department of Molecular Embryology, Faculty of Medicine, University of Freiburg, Albertstrasse 17, D-79104, Freiburg, Germany
| | - Konstantinos Michailidis
- Neuroanatomy, Faculty of Medicine, University of Freiburg, Albertstrasse 17, D-79104, Freiburg, Germany
| | - Christian Ophoven
- Institute of Anatomy and Cell Biology, Department of Molecular Embryology, Faculty of Medicine, University of Freiburg, Albertstrasse 17, D-79104, Freiburg, Germany
| | - Eleni Roussa
- Institute of Anatomy and Cell Biology, Department of Molecular Embryology, Faculty of Medicine, University of Freiburg, Albertstrasse 17, D-79104, Freiburg, Germany. .,Neuroanatomy, Faculty of Medicine, University of Freiburg, Albertstrasse 17, D-79104, Freiburg, Germany.
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22
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Skoda G, Hoffmann OI, Gócza E, Bodrogi L, Kerekes A, Bösze Z, Hiripi L. Placenta-specific gene manipulation in rabbits. J Biotechnol 2017; 259:86-90. [PMID: 28778693 DOI: 10.1016/j.jbiotec.2017.07.037] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2017] [Revised: 07/30/2017] [Accepted: 07/30/2017] [Indexed: 10/19/2022]
Abstract
Lentiviral gene constructs can be efficiently and specifically delivered to trophoblast cell lineages in rodents. In vivo genetic manipulation of trophoblast cell lines enables functional and developmental studies in the placenta. In this report we show that genetic modification can be produced in the extraembryonic tissues of rabbits by lentiviral gene constructs. When 8-16 cell stage embryos were injected with lentiviral particles, strong reporter gene expression resulted in the rabbit placenta. The expression pattern displayed some mosaicism. A strikingly high degree of mosaic GFP expression was detected in some parts of the yolk sac, which is a hypoblast-derived tissue. Whereas expression of the reporter gene construct was detected in placentas and yolk sacs, fetuses never expressed the transgene. As rabbits are an ideal model for functional studies in the placenta, our method would open new possibilities in rabbit biotechnology and placentation studies.
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Affiliation(s)
- Gabriella Skoda
- Department of Animal Biotechnology, NAIC-Agricultural Biotechnology Institute, Gödöllö, Hungary
| | - Orsolya Ivett Hoffmann
- Department of Animal Biotechnology, NAIC-Agricultural Biotechnology Institute, Gödöllö, Hungary
| | - Elen Gócza
- Department of Animal Biotechnology, NAIC-Agricultural Biotechnology Institute, Gödöllö, Hungary
| | - Lilla Bodrogi
- Department of Animal Biotechnology, NAIC-Agricultural Biotechnology Institute, Gödöllö, Hungary
| | - Andrea Kerekes
- Department of Animal Biotechnology, NAIC-Agricultural Biotechnology Institute, Gödöllö, Hungary
| | - Zsuzsanna Bösze
- Department of Animal Biotechnology, NAIC-Agricultural Biotechnology Institute, Gödöllö, Hungary
| | - Laszlo Hiripi
- Department of Animal Biotechnology, NAIC-Agricultural Biotechnology Institute, Gödöllö, Hungary.
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23
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Chen H, Xing J, Hu X, Chen L, Lv H, Xu C, Hong D, Wu X. Inhibition of heat shock protein 90 rescues glucocorticoid-induced bone loss through enhancing bone formation. J Steroid Biochem Mol Biol 2017; 171:236-246. [PMID: 28408351 DOI: 10.1016/j.jsbmb.2017.04.004] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/23/2016] [Revised: 04/07/2017] [Accepted: 04/07/2017] [Indexed: 01/05/2023]
Abstract
Endogenous glucocorticoids (GCs) support normal bone development and bone mass maintenance, whereas long-term exposure to pharmacological dosages of GCs uncouples bone formation and resorption, resulting in GC-induced osteoporosis (GIOP). Heat shock protein 90 (HSP90) chaperoning glucocorticoid receptor (GR) signaling prompts us to speculate that HSP90 plays critical roles in GC-mediated bone formation and GIOP. In the present study, inhibition of HSP90 activity by 17-Demethoxy-17-allyaminogeldanmycin (17-AAG) or knockdown of HSP90 expression by siRNAs attenuated dexamethasone(Dex)-induced GR nuclear accumulation and transcriptional output of GR signaling, whereas overexpression of HSP90α or HSP90β enhanced GR transactivity in C3H10T1/2 cells. Though 17-AAG itself enhanced osteoblastic differentiation, it restored the Dex(10-8M)-induced and Dex(10-6M)-negated osteoblastic differentiation in C3H10T1/2 cells and primary calvarial osteoblasts. Moreover, systemic administration of 17-AAG to mice induced not only osteoclastogenesis but also osteoblastogenesis, whereas bone formation possibly exceeded bone resorption, eventually leading to the increased bone masses. Likewise, systemic administration of 17-AAG to mice restored GC-negated osteoblastogenesis and enhanced GC-induced osteoclastogenesis, similarly, 17-AAG-induced bone formation possibly exceeded both 17-AAG- and GC-induced bone resorption, eventually resulting in rescue of GIOP. Together, the present study has revealed that inhibition of HSP90 restores GIOP through enhancing bone formation, and our findings may help to shed light on the pathogenesis of GIOP and provide targets for the therapeutic intervention of the disease.
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Affiliation(s)
- Haixiao Chen
- Department of Orthopedics, the Affiliated Taizhou Hospital, Wenzhou Medical University, Linhai City, 317000, China
| | - Ji Xing
- Department of Pharmacology, Zhejiang University School of Medicine, Hangzhou, 310058, China
| | - Xinhua Hu
- Department of Pharmacology, Zhejiang University School of Medicine, Hangzhou, 310058, China
| | - Lihua Chen
- Department of Orthopedics, the Affiliated Taizhou Hospital, Wenzhou Medical University, Linhai City, 317000, China
| | - Haiyan Lv
- Department of Orthopedics, the Affiliated Taizhou Hospital, Wenzhou Medical University, Linhai City, 317000, China
| | - Chengyun Xu
- Department of Pharmacology, Zhejiang University School of Medicine, Hangzhou, 310058, China
| | - Dun Hong
- Department of Orthopedics, the Affiliated Taizhou Hospital, Wenzhou Medical University, Linhai City, 317000, China.
| | - Ximei Wu
- Department of Pharmacology, Zhejiang University School of Medicine, Hangzhou, 310058, China.
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24
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Zhu H, Zou C, Fan X, Xiong W, Tang L, Wu X, Tang C. Up-regulation of 11β-Hydroxysteroid Dehydrogenase Type 2 Expression by Hedgehog Ligand Contributes to the Conversion of Cortisol Into Cortisone. Endocrinology 2016; 157:3529-39. [PMID: 27379371 DOI: 10.1210/en.2016-1286] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
The cortisol-inactivating enzyme 11β-hydroxysteroid dehydrogenase type 2 (11β-HSD2) that catalyzes the intracellular inactivation of glucocorticoids plays a pivotal role in human pregnant maintenance and normal fetal development. Given the fact that the main components of Hedgehog (HH) signaling pathway are predominantly expressed in syncytial layer of human placental villi where 11β-HSD2 is robustly expressed, in the present study, we have investigated the potential roles and underlying mechanisms of HH signaling in 11β-HSD2 expression. Activation of HH signaling by a variety of approaches robustly induced 11β-HSD2 expression as well as the 11β-HSD2 activity, whereas suppression of HH signaling significantly attenuated 11β-HSD2 expression as well as the 11β-HSD2 activity in both human primary cytotrophoblasts and trophoblast-like BeWo cells. Moreover, among glioma-associated oncogene (GLI) family transcriptional factors in HH signaling, knockdown of GLI2 but not GLI1 and GLI3 significantly attenuated HH-induced 11β-HSD2 expression and activity, and overexpression of GLI2 activator alone was sufficient to induce 11β-HSD2 expression and activity. Finally, GLI2 not only directly bound to the promoter region of gene hsd11b2 to transactivate hsd11b2 but also formed a heterodimer with RNA polymerase II, an enzyme that catalyzes the transcription of DNA to synthesize mRNAs, resulting in up-regulation of hsd11b2 gene transcription. Taken together, the present study has uncovered a hitherto uncharacterized role of HH/GLI2 signaling in 11β-HSD2 regulation, implicating that HH signaling through GLI2 could be required for the human pregnant maintenance and fetal development.
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Affiliation(s)
- Haibin Zhu
- Department of Obstetrics and Gynaecology (H.Z.), The First Affiliated Hospital, and Department of Endocrinology (C.Z., W.X., L.T.), The Children's Hospital, School of Medicine, Zhejiang University, Hangzhou 310006, People's Republic of China; and Department of Pharmacology (X.F., X.W., C.T.), School of Medicine, Zhejiang University, Hangzhou 310058, People's Republic of China
| | - Chaochun Zou
- Department of Obstetrics and Gynaecology (H.Z.), The First Affiliated Hospital, and Department of Endocrinology (C.Z., W.X., L.T.), The Children's Hospital, School of Medicine, Zhejiang University, Hangzhou 310006, People's Republic of China; and Department of Pharmacology (X.F., X.W., C.T.), School of Medicine, Zhejiang University, Hangzhou 310058, People's Republic of China
| | - Xueying Fan
- Department of Obstetrics and Gynaecology (H.Z.), The First Affiliated Hospital, and Department of Endocrinology (C.Z., W.X., L.T.), The Children's Hospital, School of Medicine, Zhejiang University, Hangzhou 310006, People's Republic of China; and Department of Pharmacology (X.F., X.W., C.T.), School of Medicine, Zhejiang University, Hangzhou 310058, People's Republic of China
| | - Wenyi Xiong
- Department of Obstetrics and Gynaecology (H.Z.), The First Affiliated Hospital, and Department of Endocrinology (C.Z., W.X., L.T.), The Children's Hospital, School of Medicine, Zhejiang University, Hangzhou 310006, People's Republic of China; and Department of Pharmacology (X.F., X.W., C.T.), School of Medicine, Zhejiang University, Hangzhou 310058, People's Republic of China
| | - Lanfang Tang
- Department of Obstetrics and Gynaecology (H.Z.), The First Affiliated Hospital, and Department of Endocrinology (C.Z., W.X., L.T.), The Children's Hospital, School of Medicine, Zhejiang University, Hangzhou 310006, People's Republic of China; and Department of Pharmacology (X.F., X.W., C.T.), School of Medicine, Zhejiang University, Hangzhou 310058, People's Republic of China
| | - Ximei Wu
- Department of Obstetrics and Gynaecology (H.Z.), The First Affiliated Hospital, and Department of Endocrinology (C.Z., W.X., L.T.), The Children's Hospital, School of Medicine, Zhejiang University, Hangzhou 310006, People's Republic of China; and Department of Pharmacology (X.F., X.W., C.T.), School of Medicine, Zhejiang University, Hangzhou 310058, People's Republic of China
| | - Chao Tang
- Department of Obstetrics and Gynaecology (H.Z.), The First Affiliated Hospital, and Department of Endocrinology (C.Z., W.X., L.T.), The Children's Hospital, School of Medicine, Zhejiang University, Hangzhou 310006, People's Republic of China; and Department of Pharmacology (X.F., X.W., C.T.), School of Medicine, Zhejiang University, Hangzhou 310058, People's Republic of China
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25
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Ruan H, Luo H, Wang J, Ji X, Zhang Z, Wu J, Zhang X, Wu X. Smoothened-independent activation of hedgehog signaling by rearranged during transfection promotes neuroblastoma cell proliferation and tumor growth. Biochim Biophys Acta Gen Subj 2016; 1860:1961-72. [PMID: 27316313 DOI: 10.1016/j.bbagen.2016.06.017] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2016] [Revised: 06/09/2016] [Accepted: 06/13/2016] [Indexed: 11/25/2022]
Abstract
BACKGROUND Rearranged during transfection (RET) proto-oncogene encodes a receptor tyrosine kinase for glial cell line-derived neurotrophic factor (GDNF) signaling, and high RET expression is closely related to the tumorigenesis and malignancy of neuroblastoma(NB). METHODS We have investigated whether RET signals through hedgehog (HH) pathway in NB cell proliferation and tumor growth by in vitro cell culture and in vivo xenograft approaches. RESULTS The key members of both GDNF/RET and HH/GLI pathways are expressed in NB cell lines to different extents. Knockdown of RET in NB cells significantly attenuates the activity of HH signaling, whereas overexpression of RET robustly enhances the output of transcriptional activation by HH. Likewise, activation of RET by GDNF induces HH signaling, whereas knockdown of RET attenuates both basal and GDNF-induced activities of HH signaling. Moreover, protein kinase B lies on the downstream of GDNF/RET signaling module to inhibit the GSK3β, resulting in activation of HH signaling. Furthermore, either knockdown of RET by shRNA or inhibition of HH pathway by cyclopamine attenuates not only basal but also GDNF-induced proliferation of SH-SY5Y cells, and knockdown of either RET or smoothened in SH-SY5Y cell xenografts significantly attenuated the tumor growth. Finally, inhibition of HH signaling by GLI1 and GLI2 inhibitor, Gant61, reduces not only basal but also RET-induced proliferation of SH-SY5Y cells and outgrowth of xenografts. CONCLUSION GDNF/RET/AKT/GSK3β signaling module activates HH pathway to stimulate NB cells proliferation and tumor outgrowth. GENERAL SIGNIFICANCE Targeting HH pathway is a rational approach for therapeutic intervention of NB with high RET expression.
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Affiliation(s)
- Hongfeng Ruan
- Department of Pharmacology, School of Medicine, Zhejiang University, Hangzhou 310058, China; Department of Genetics, School of Medicine, Zhejiang University, Hangzhou 310058, China; Institute of Orthopaedics and Traumatology, Zhejiang Chinese Medical University, Hangzhou 310053, China
| | - Huan Luo
- Department of Pharmacology, School of Medicine, Zhejiang University, Hangzhou 310058, China; Department of Pharmacy, The Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou 310009, China
| | - Jirong Wang
- Department of Pharmacology, School of Medicine, Zhejiang University, Hangzhou 310058, China
| | - Xing Ji
- Department of Pharmacology, School of Medicine, Zhejiang University, Hangzhou 310058, China
| | - Zhongmiao Zhang
- Department of Pharmacy, The Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou 310009, China
| | - Junsong Wu
- Department of Emergence, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou 310009, China
| | - Xianning Zhang
- Department of Genetics, School of Medicine, Zhejiang University, Hangzhou 310058, China.
| | - Ximei Wu
- Department of Pharmacology, School of Medicine, Zhejiang University, Hangzhou 310058, China.
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26
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Yao H, Shi W, Wu J, Xu C, Wang J, Shao Y, Wu X, Zhang Z. Endothelial Rac1 is essential for hematogenous metastasis to the lung. Oncotarget 2016; 6:17501-13. [PMID: 25991673 PMCID: PMC4627324 DOI: 10.18632/oncotarget.3766] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2014] [Accepted: 04/28/2015] [Indexed: 12/22/2022] Open
Abstract
A variety of vasoactive stimuli induce endothelial permeability through Rac1, a membrane of Rho small GTPases. Here, we determine whether tumor-secreted vasoactive stimulant through Rac1 inducing permeability contributes to hematogenous metastasis. Activation of Rac1 was assayed in human umbilical vein endothelial cells (HUVEC), transendothelial passages were measured by Transwell chambers, and hematogenously metastatic mouse model was generated by intravenous injection with Lewis lung carcinoma cells (LLC). LLC secreted abundant vascular endothelial growth factor (VEGF) in the culture media and sera of mice bearing LLC xenografts or metastatic LLC, and VEGF activated Rac1 through VEGF receptors/PI3Kβ signaling cascade, resulting in hyperoxidative stress and consequent hyperpermeability in HUVEC. Moreover, in co-culture of LLC and HUVEC, significant increases in endothelial permeability and transendothelial migration of LLC were robustly attenuated by either anti-VEGF neutralizing antibody or Rac1 knockdown in HUVEC. Finally, in metastatic mouse model, deletion of one copy of Rac1 in endothelium not only significantly attenuated LLC-induced vascular permeability, but robustly reduced the metastasis of LLC to lungs. This study supports that tumor-secreted vasoactive stimuli activate Rac1 to induce permeability and consequent transendothelial migration of tumor cells, and that loss of Rac1 function in endothelium is an effective therapeutic intervention for hematogenous metastasis.
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Affiliation(s)
- Hongyi Yao
- Department of Pharmacy, The Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China.,Department of Pharmacology, School of Medicine, Zhejiang University, Hangzhou, China
| | - Wei Shi
- Department of Pharmacology, School of Medicine, Zhejiang University, Hangzhou, China
| | - Junsong Wu
- The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Chengyun Xu
- Department of Pharmacology, School of Medicine, Zhejiang University, Hangzhou, China
| | - Jirong Wang
- Department of Pharmacology, School of Medicine, Zhejiang University, Hangzhou, China
| | - Yanan Shao
- Department of Pharmacology, School of Medicine, Zhejiang University, Hangzhou, China
| | - Ximei Wu
- Department of Pharmacology, School of Medicine, Zhejiang University, Hangzhou, China
| | - Zhongmiao Zhang
- Department of Pharmacy, The Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
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Abstract
The hedgehog signaling pathway was first discovered in the 1980s. It is a stem cell-related pathway that plays a crucial role in embryonic development, tissue regeneration, and organogenesis. Aberrant activation of hedgehog signaling leads to pathological consequences, including a variety of human tumors such as pancreatic cancer. Multiple lines of evidence indicate that blockade of this pathway with several small-molecule inhibitors can inhibit the development of pancreatic neoplasm. In addition, activated hedgehog signaling has been reported to be involved in fibrogenesis in many tissues, including the pancreas. Therefore, new therapeutic targets based on hedgehog signaling have attracted a great deal of attention to alleviate pancreatic diseases. In this review, we briefly discuss the recent advances in hedgehog signaling in pancreatic fibrogenesis and carcinogenesis and highlight new insights on their potential relationship with respect to the development of novel targeted therapies.
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Affiliation(s)
- Yongyu Bai
- From the Wenzhou Medical University (Yongyu Bai, JD, QL, YJ, MZ); and Wenzhou Key Laboratory of Surgery (Yongheng Bai, BC), The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
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28
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Wang JR, Wang CJ, Xu CY, Wu XK, Hong D, Shi W, Gong Y, Chen HX, Long F, Wu XM. Signaling Cascades Governing Cdc42-Mediated Chondrogenic Differentiation and Mensenchymal Condensation. Genetics 2016; 202:1055-69. [PMID: 26739452 PMCID: PMC4787953 DOI: 10.1534/genetics.115.180109] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2015] [Accepted: 12/30/2015] [Indexed: 12/30/2022] Open
Abstract
Endochondral ossification consists of successive steps of chondrocyte differentiation, including mesenchymal condensation, differentiation of chondrocytes, and hypertrophy followed by mineralization and ossification. Loss-of-function studies have revealed that abnormal growth plate cartilage of the Cdc42 mutant contributes to the defects in endochondral bone formation. Here, we have investigated the roles of Cdc42 in osteogenesis and signaling cascades governing Cdc42-mediated chondrogenic differentiation. Though deletion of Cdc42 in limb mesenchymal progenitors led to severe defects in endochondral ossification, either ablation of Cdc42 in limb preosteoblasts or knockdown of Cdc42 in vitro had no obvious effects on bone formation and osteoblast differentiation. However, in Cdc42 mutant limb buds, loss of Cdc42 in mesenchymal progenitors led to marked inactivation of p38 and Smad1/5, and in micromass cultures, Cdc42 lay on the upstream of p38 to activate Smad1/5 in bone morphogenetic protein-2-induced mesenchymal condensation. Finally, Cdc42 also lay on the upstream of protein kinase B to transactivate Sox9 and subsequently induced the expression of chondrocyte differential marker in transforming growth factor-β1-induced chondrogenesis. Taken together, by using biochemical and genetic approaches, we have demonstrated that Cdc42 is involved not in osteogenesis but in chondrogenesis in which the BMP2/Cdc42/Pak/p38/Smad signaling module promotes mesenchymal condensation and the TGF-β/Cdc42/Pak/Akt/Sox9 signaling module facilitates chondrogenic differentiation.
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Affiliation(s)
- Jirong R Wang
- Department of Pharmacology, School of Medicine, Zhejiang University, Hangzhou 310058, China
| | - Chaojun J Wang
- Department of Urology, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou 310009, China
| | - Chengyun Y Xu
- Department of Pharmacology, School of Medicine, Zhejiang University, Hangzhou 310058, China
| | - Xiaokai K Wu
- Department of Pharmacology, School of Medicine, Zhejiang University, Hangzhou 310058, China
| | - Dun Hong
- Department of Urology, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou 310009, China
| | - Wei Shi
- Department of Pharmacology, School of Medicine, Zhejiang University, Hangzhou 310058, China
| | - Ying Gong
- Department of Pharmacology, School of Medicine, Zhejiang University, Hangzhou 310058, China
| | - Haixiao X Chen
- Department of Orthopedics, Taizhou Hospital, Linhai 317000, China
| | - Fanxin Long
- Departments of Orthopaedic Surgery, Medicine and Developmental Biology, Washington University, St. Louis, Missouri 63110
| | - Ximei M Wu
- Department of Pharmacology, School of Medicine, Zhejiang University, Hangzhou 310058, China Departments of Orthopaedic Surgery, Medicine and Developmental Biology, Washington University, St. Louis, Missouri 63110
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29
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Tang C, Tang L, Wu X, Xiong W, Ruan H, Hussain M, Wu J, Zou C, Wu X. Glioma-associated Oncogene 2 Is Essential for Trophoblastic Fusion by Forming a Transcriptional Complex with Glial Cell Missing-a. J Biol Chem 2016; 291:5611-5622. [PMID: 26769961 DOI: 10.1074/jbc.m115.700336] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2015] [Indexed: 01/20/2023] Open
Abstract
Cell-cell fusion of human villous trophoblasts, referred to as a process of syncytialization, acts as a prerequisite for the proper development and functional maintenance of the human placenta. Given the fact that the main components of the Hedgehog signaling pathway are expressed predominantly in the syncytial layer of human placental villi, in this study, we investigated the potential roles and underlying mechanisms of Hedgehog signaling in trophoblastic fusion. Activation of Hedgehog signaling by a variety of approaches robustly induced cell fusion and the expression of syncytial markers, whereas suppression of Hedgehog signaling significantly attenuated cell fusion and the expression of syncytial markers in both human primary cytotrophoblasts and trophoblast-like BeWo cells. Moreover, among glioma-associated oncogene (GLI) family transcriptional factors in Hedgehog signaling, knockdown of GLI2 but not GLI1 and GLI3 significantly attenuated Hedgehog-induced cell fusion, whereas overexpression of the GLI2 activator alone was sufficient to induce cell fusion. Finally, GLI2 not only stabilized glial cell missing-a, a pivotal transcriptional factor for trophoblastic syncytialization, but also formed a transcriptional heterodimer with glial cell missing-a to transactivate syncytin-1, a trophoblastic fusogen, and promote trophoblastic syncytialization. Taken together, this study uncovered a so far uncharacterized role of Hedgehog/GLI2 signaling in trophoblastic fusion, implicating that Hedgehog signaling, through GLI2, could be required for human placental development and pregnancy maintenance.
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Affiliation(s)
- Chao Tang
- From the Department of Pharmacology, School of Medicine, Zhejiang University, Hangzhou 310058, China,; the Department of Microbiology, School of Medicine, University of Tokyo, Tokyo 1130033, Japan, and
| | | | - Xiaokai Wu
- From the Department of Pharmacology, School of Medicine, Zhejiang University, Hangzhou 310058, China
| | | | - Hongfeng Ruan
- From the Department of Pharmacology, School of Medicine, Zhejiang University, Hangzhou 310058, China
| | - Musaddique Hussain
- From the Department of Pharmacology, School of Medicine, Zhejiang University, Hangzhou 310058, China
| | - Junsong Wu
- First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou 310006, China
| | | | - Ximei Wu
- From the Department of Pharmacology, School of Medicine, Zhejiang University, Hangzhou 310058, China,.
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30
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GLI3 Links Environmental Arsenic Exposure and Human Fetal Growth. EBioMedicine 2015; 2:536-43. [PMID: 26288817 PMCID: PMC4535308 DOI: 10.1016/j.ebiom.2015.04.019] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2014] [Revised: 04/29/2015] [Accepted: 04/30/2015] [Indexed: 12/11/2022] Open
Abstract
Although considerable evidence suggests that in utero arsenic exposure affects children's health, these data are mainly from areas of the world where groundwater arsenic levels far exceed the World Health Organization limit of 10 μg/L. We, and others, have found that more common levels of in utero arsenic exposure may also impact children's health. However, the underlying molecular mechanisms are poorly understood. To address this issue, we analyzed the expression of key developmental genes in fetal placenta in a birth cohort of women using unregulated water supplies in a US region with elevated groundwater arsenic. We identified several genes whose expression associated with maternal arsenic exposure in a fetal sex-specific manner. In particular, expression of the HEDGEHOG pathway component, GLI3, in female placentae was both negatively associated with arsenic exposure and positively associated with infant birth weight. This suggests that modulation of GLI3 in the fetal placenta, and perhaps in other fetal tissues, contributes to arsenic's detrimental effects on fetal growth. We showed previously that arsenic-exposed NIH3T3 cells have reduced GLI3 repressor protein. Together, these studies identify GLI3 as a key signaling node that is affected by arsenic, mediating a subset of its effects on developmental signaling and fetal health. In utero arsenic exposure associates with the expression of several key developmental genes in the fetal placenta. There is extensive sexual dimorphism in the associations between placental gene expression and in utero arsenic exposure. GLI3 expression in the female fetal placenta associates with arsenic exposure and may mediate its effects on fetal growth.
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