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https://www.readbyqxmd.com/read/29576508/the-desumoylating-enzyme-sentrin-specific-protease-3-contributes-to-myocardial-ischemia-reperfusion-injury
#1
Lingchen Gao, Yichao Zhao, Jie He, Yang Yan, Longwei Xu, Nan Lin, Qingqi Ji, Renyang Tong, Yanan Fu, Yu Gao, Yuanyuan Su, Ancai Yuan, Ben He, Jun Pu
Sentrin-specific protease 3 (SENP3), a member of the desumoylating enzyme family, is known as a redox sensor and could regulate multiple cellular signaling pathways. However, its implication in myocardial ischemia reperfusion (MIR) injury is unclear. Here, we observed that SENP3 was expressed and upregulated in the mouse heart depending on reactive oxygen species (ROS) production in response to MIR injury. By utilizing siRNA-mediated cardiac specific gene silencing, SENP3 knockdown was demonstrated to significantly reduce MIR-induced infarct size and improve cardiac function...
December 29, 2017: Journal of Genetics and Genomics, Yi Chuan Xue Bao
https://www.readbyqxmd.com/read/29438989/mitotic-phosphorylation-of-senp3-regulates-de-sumoylation-of-chromosome-associated-proteins-and-chromosome-stability
#2
Bo Wei, Chao Huang, Bin Liu, Yang Wang, Nansong Xia, Qiuju Fan, Guo-Qiang Chen, Jinke Cheng
Progression of mitotic cell cycle as well as chromosome condensation and segregation are controlled by posttranslational protein modifications such as phosphorylation and SUMOylation. However, how SUMO isopeptidases (SENP) regulate cell mitotic procession is largely unknown. Here we demonstrate that precise phosphorylation of SENP3 during mitosis suppresses SENP3 de-SUMOylation activity towards chromosome-associated proteins including Topoisomerase IIα (Topo IIα). Cyclin B-dependent kinases 1 (CDK1) and protein phosphatase 1α (PP1α) were identified as the kinase and phosphatase in control of mitotic SENP3 phosphorylation, respectively...
February 8, 2018: Cancer Research
https://www.readbyqxmd.com/read/29371964/factor-inhibiting-hif1-a-novel-target-of-sumoylation-in-the-human-placenta
#3
Julien Sallais, Sruthi Alahari, Andrea Tagliaferro, Jayonta Bhattacharjee, Martin Post, Isabella Caniggia
Adaptations to changes in oxygen are critical to ensure proper placental development, and impairments in oxygen sensing mechanisms characterize placental pathologies such as preeclampsia. In this study, we examined the involvement of SUMOylation, a reversible posttranslational modification, in the regulation of the asparaginyl hydroxylase Factor Inhibiting Hypoxia Inducible Factor 1 (FIH1) in the human placenta in development and in disease status. FIH1 protein abundance and spatial distribution in the developing placenta directly correlated with oxygen tension in vivo...
December 26, 2017: Oncotarget
https://www.readbyqxmd.com/read/29352108/desumoylation-of-mkk7-kinase-by-the-sumo2-3-protease-senp3-potentiates-lipopolysaccharide-induced-inflammatory-signaling-in-macrophages
#4
Yimin Lao, Kai Yang, Zhaojun Wang, Xueqing Sun, Qiang Zou, Xiaoyan Yu, Jinke Cheng, Xuemei Tong, Edward T H Yeh, Jie Yang, Jing Yi
Protein SUMOylation has been reported to play a role in innate immune response, but the enzymes, substrates, and consequences of the specific inflammatory signaling events are largely unknown. Reactive oxygen species (ROS) are abundantly produced during macrophage activation and required for Toll-like receptor 4 (TLR4)-mediated inflammatory signaling. Previously, we demonstrated that SENP3 is a redox-sensitive SUMO2/3 protease. To explore any links between reversible SUMOylation and ROS-related inflammatory signaling in macrophage activation, we generated mice with Senp3 conditional knock-out in myeloid cells...
March 16, 2018: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/29331044/journey-of-oocyte-from-metaphase-i-to-metaphase-ii-stage-in-mammals
#5
Alka Sharma, Meenakshi Tiwari, Anumegha Gupta, Ashutosh N Pandey, Pramod K Yadav, Shail K Chaube
In mammals, journey from metaphase-I (M-I) to metaphase-II (M-II) is important since oocyte extrude first polar body (PB-I) and gets converted into haploid gamete. The molecular and cellular changes associated with meiotic cell cycle progression from M-I to M-II stage and extrusion of PB-I remain ill understood. Several factors drive oocyte meiosis from M-I to M-II stage. The mitogen-activated protein kinase3/1 (MAPK3/1), signal molecules and Rho family GTPases act through various pathways to drive cell cycle progression from M-I to M-II stage...
January 13, 2018: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/29277914/synaptic-localization-of-the-sumoylation-regulating-protease-senp5-in-the-adult-mouse-brain
#6
Hiroki Akiyama, Kazuhiko Nakadate, Shin-Ichi Sakakibara
Covalent conjugation of small ubiquitin-like modifiers (SUMOs) or SUMOylation is a reversible post-translational modification that regulates the stability and function of target proteins. SUMOs are removed from substrate proteins by sentrin/SUMO-specific proteases (SENPs). Numerous studies have implicated SUMOylation in various physiological and pathological processes in neurons. To understand the functional roles of SUMOylation, it is necessary to determine the distribution of enzymes regulating SUMO conjugation and deconjugation; yet, the localization of SENPs has not been described in detail in intact brain tissue...
April 15, 2018: Journal of Comparative Neurology
https://www.readbyqxmd.com/read/29225200/sumo-proteases-as-potential-targets-for-cancer-therapy
#7
Piotr Bialik, Katarzyna Woźniak
Sumoylation is one of the post-translational modifications of proteins, responsible for the regulation of many cellular processes, such as DNA replication and repair, transcription, signal transduction and nuclear transport. During sumoylation, SUMO proteins are covalently attached to the ε-amino group of lysine in target proteins via an enzymatic cascade that requires the sequential action of E1, E2 and E3 enzymes. An important aspect of sumoylation is its reversibility, which involves SUMO-specific proteases called SENPs...
December 8, 2017: Postȩpy Higieny i Medycyny Doświadczalnej
https://www.readbyqxmd.com/read/28938568/senp3-grants-tight-junction-integrity-and-cytoskeleton-architecture-in-mouse-sertoli-cells
#8
Di Wu, Chun-Jie Huang, Faheem Ahmed Khan, Xiao-Fei Jiao, Xiao-Ming Liu, Nuruliarizki Shinta Pandupuspitasari, Rahim Dad Brohi, Li-Jun Huo
Germ cells develop in a sophisticated immune privileged microenvironment provided by specialized junctions contiguous the basement membrane of the adjacent Sertoli cells that constituted the blood-testis barrier (BTB) in seminiferous epithelium of testis in mammals. Deciphering the molecular regulatory machinery of BTB activity is central to improve male fertility and the role of post-translational modification including SUMOylation pathway is one of the key factors. Herein, we unveiled the mystery of the SUMO-2/3 specific protease SENP3 (Sentrin-specific protease 3) in BTB dynamics regulation...
August 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/28747610/retraction-protective-effect-of-senp3-mediated-sumoylation-against-cadmium-toxicity
#9
Hongquan Zhu
[This retracts the article DOI: 10.2131/jts.42.233.].
2017: Journal of Toxicological Sciences
https://www.readbyqxmd.com/read/28747609/increased-sumo-2-3-ylation-mediated-by-senp3-degradation-is-protective-against-cadmium-induced-caspase-3-dependent-cytotoxicity
#10
Jia Luo, Sonam Gurung, Laura Lee, Jeremy M Henley, Kevin A Wilkinson, Chun Guo
Increased post-translational modification of proteins by SUMO-2/3 is a cytoprotective response against cell stress induced by ischaemia and reperfusion. However, it is still unclear what other cell stressors trigger protein SUMOylation, what mechanisms enhance and maintain the enhanced SUMOylation, and if it is a general protective mediator against other cytotoxic stresses. Here, we show increased levels of SUMOylation and decreased levels of the SUMO deconjugating enzyme SENP3 in PC12 cells treated with the toxic heavy metal cadmium...
2017: Journal of Toxicological Sciences
https://www.readbyqxmd.com/read/28501776/inhibition-of-senp3-by-urb597-ameliorates-neurovascular-unit-dysfunction-in-rats-with-chronic-cerebral-hypoperfusion
#11
Da-Peng Wang, Ke-Jia Liu, Graham Kasper, Qi Lin, Jian Hai
Disruption of the neurovascular unit (NVU), induced by chronic cerebral hypoperfusion (CCH), has been broadly found in various neurological disorders. SUMO-specific protease 3 (SENP3) is expressed in neurons, astrocytes, and microglia, and regulates a variety of cell events. However, whether SENP3 is involved in neurovascular injury under the condition of CCH is still elusive. To address this issue, we investigated the effect of the fatty acid amide hydrolase (FAAH) inhibitor URB597 on NVU and the role of SENP3 in this process, as well as the underling mechanisms...
July 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28446721/senp3-grants-tight-junction-integrity-and-cytoskeleton-architecture-in-mouse-sertoli-cells
#12
Di Wu, Chun-Jie Huang, Faheem Ahmed Khan, Xiao-Fei Jiao, Xiao-Ming Liu, Nuruliarizki Shinta Pandupuspitasari, Rahim Dad Brohi, Li-Jun Huo
Germ cells develop in a sophisticated immune privileged microenvironment provided by specialized junctions contiguous the basement membrane of the adjacent Sertoli cells that constituted the blood-testis barrier (BTB) in seminiferous epithelium of testis in mammals. Deciphering the molecular regulatory machinery of BTB activity is central to improve male fertility and the role of post-translational modification including SUMOylation pathway is one of the key factors. Herein, we unveiled the mystery of the SUMO-2/3 specific protease SENP3 (Sentrin-specific protease 3) in BTB dynamics regulation...
April 7, 2017: Oncotarget
https://www.readbyqxmd.com/read/28351334/upregulation-of-senp3-smt3ip1-promotes-epithelial-ovarian-cancer-progression-and-forecasts-poor-prognosis
#13
Jialin Cheng, Min Su, Yunfeng Jin, Qinghua Xi, Yan Deng, Jie Chen, Wei Wang, Yannan Chen, Lingling Chen, Nannan Shi, Guoxin Mao
As a crucial member of the small ubiquitin-like modifier system, SUMO-specific protease 3, was identified to be essential for cell proliferation and ribosomal RNA processing. Recent studies showed that SUMO-specific protease 3 was elevated in ovarian cancer compared to normal tissue samples. However, the connection between SUMO-specific protease 3-specific expression and clinicopathological parameters of epithelial ovarian cancer, as well as the physiologically potential role of SUMO-specific protease 3 in epithelial ovarian cancer remained unclear...
March 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28344658/flightless-i-governs-cell-fate-by-recruiting-the-sumo-isopeptidase-senp3-to-distinct-hox-genes
#14
Arnab Nayak, Anja Reck, Christian Morsczeck, Stefan Müller
BACKGROUND: Despite recent studies on the role of ubiquitin-related SUMO modifier in cell fate decisions, our understanding on precise molecular mechanisms of these processes is limited. Previously, we established that the SUMO isopeptidase SENP3 regulates chromatin assembly of the MLL1/2 histone methyltransferase complex at distinct HOX genes, including the osteogenic master regulator DLX3. A comprehensive mechanism that regulates SENP3 transcriptional function was not understood. RESULTS: Here, we identified flightless-I homolog (FLII), a member of the gelsolin family of actin-remodeling proteins, as a novel regulator of SENP3...
2017: Epigenetics & Chromatin
https://www.readbyqxmd.com/read/28321049/protective-effect-of-senp3-mediated-sumoylation-against-cadmium-toxicity
#15
Hongquan Zhu
This article was retracted. See the Notification.
2017: Journal of Toxicological Sciences
https://www.readbyqxmd.com/read/28296937/effects-of-circadian-clock-genes-and-health-related-behavior-on-metabolic-syndrome-in-a-taiwanese-population-evidence-from-association-and-interaction-analysis
#16
Eugene Lin, Po-Hsiu Kuo, Yu-Li Liu, Albert C Yang, Chung-Feng Kao, Shih-Jen Tsai
Increased risk of developing metabolic syndrome (MetS) has been associated with the circadian clock genes. In this study, we assessed whether 29 circadian clock-related genes (including ADCYAP1, ARNTL, ARNTL2, BHLHE40, CLOCK, CRY1, CRY2, CSNK1D, CSNK1E, GSK3B, HCRTR2, KLF10, NFIL3, NPAS2, NR1D1, NR1D2, PER1, PER2, PER3, REV1, RORA, RORB, RORC, SENP3, SERPINE1, TIMELESS, TIPIN, VIP, and VIPR2) are associated with MetS and its individual components independently and/or through complex interactions in a Taiwanese population...
2017: PloS One
https://www.readbyqxmd.com/read/28262828/senp3-mediated-desumoylation-of-drp1-facilitates-interaction-with-mff-to-promote-cell-death
#17
Chun Guo, Kevin A Wilkinson, Ashley J Evans, Philip P Rubin, Jeremy M Henley
The GTPase dynamin-related protein 1 (Drp1) is essential for physiological and pathophysiological mitochondrial fission. DeSUMOylation of Drp1 by the enzyme SENP3 promotes cell death during reperfusion after ischaemia by enhancing Drp1 partitioning to the mitochondrial outer membrane (MOM), which causes cytochrome c release and apoptosis. However, how deSUMOylation recruits Drp1 to the MOM is unknown. Here we show that deSUMOylation selectively promotes Drp1 binding to the MOM resident adaptor protein mitochondrial fission factor (Mff)...
March 6, 2017: Scientific Reports
https://www.readbyqxmd.com/read/27853276/sumo-specific-protease-3-is-a-key-regulator-for-hepatic-lipid-metabolism-in-non-alcoholic-fatty-liver-disease
#18
Yuhan Liu, Fudong Yu, Yan Han, Qing Li, Zhujun Cao, Xiaogang Xiang, Shaowen Jiang, Xiaolin Wang, Jie Lu, Rongtao Lai, Hui Wang, Wei Cai, Shisan Bao, Qing Xie
Non-alcoholic fatty liver disease (NAFLD) is characterized by excessive lipid accumulation in hepatocytes. The role of SENP3 in lipid metabolism, particularly NAFLD, is unclear. Our results showed that hepatic SENP3 was up-regulated in NAFLD patients and an animal model in vivo and after loading hepatocytes with free fatty acids (FFA) in vitro. Intracellular lipid accumulation was determined in SENP3 silenced or overexpressed hepatocytes with/without FFA in vitro. Confirming a role for SENP3, gene silencing was associated in vitro with amelioration of lipid accumulation and overexpression with enhancement of lipid accumulation...
November 17, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27814492/the-aaa-atpase-mdn1-acts-as-a-sumo-targeted-regulator-in-mammalian-pre-ribosome-remodeling
#19
Nithya Raman, Elisabeth Weir, Stefan Müller
Biogenesis of translation-competent 80S ribosomes is a multi-step process requiring the sequential action of non-ribosomal trans-acting factors. We previously identified the human PELP1-TEX10-WDR18 complex and the associated SUMO isopeptidase SENP3 as regulators of 60S maturation. We provided evidence that deconjugating SUMO from PELP1 by SENP3 is instrumental for proper ribosome biogenesis. Here we show that SUMO conjugation/deconjugation of PELP1 controls its dynamic association with the AAA ATPase MDN1, a key factor of pre-60S remodeling...
November 3, 2016: Molecular Cell
https://www.readbyqxmd.com/read/27682256/impact-of-heat-stress-on-cellular-and-transcriptional-adaptation-of-mammary-epithelial-cells-in-riverine-buffalo-bubalus-bubalis
#20
Neha Kapila, Ankita Sharma, Amit Kishore, Monika Sodhi, Pawan K Tripathi, Ashok K Mohanty, Manishi Mukesh
The present study aims to identify the heat responsive genes and biological pathways in heat stressed buffalo mammary epithelial cells (MECs). The primary mammary epithelial cells of riverine buffalo were exposed to thermal stress at 42°C for one hour. The cells were subsequently allowed to recover at 37°C and harvested at different time intervals (30 min to 48 h) along with control samples (un-stressed). In order to assess the impact of heat stress in buffalo MECs, several in-vitro cellular parameters (lactate dehydrogenase activity, cell proliferation assay, cellular viability, cell death and apoptosis) and transcriptional studies were conducted...
2016: PloS One
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