1
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Liu W, Wang Y, Bozi LHM, Fischer PD, Jedrychowski MP, Xiao H, Wu T, Darabedian N, He X, Mills EL, Burger N, Shin S, Reddy A, Sprenger HG, Tran N, Winther S, Hinshaw SM, Shen J, Seo HS, Song K, Xu AZ, Sebastian L, Zhao JJ, Dhe-Paganon S, Che J, Gygi SP, Arthanari H, Chouchani ET. Lactate regulates cell cycle by remodelling the anaphase promoting complex. Nature 2023; 616:790-797. [PMID: 36921622 DOI: 10.1038/s41586-023-05939-3] [Citation(s) in RCA: 50] [Impact Index Per Article: 50.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2021] [Accepted: 03/10/2023] [Indexed: 03/17/2023]
Abstract
Lactate is abundant in rapidly dividing cells owing to the requirement for elevated glucose catabolism to support proliferation1-6. However, it is not known whether accumulated lactate affects the proliferative state. Here we use a systematic approach to determine lactate-dependent regulation of proteins across the human proteome. From these data, we identify a mechanism of cell cycle regulation whereby accumulated lactate remodels the anaphase promoting complex (APC/C). Remodelling of APC/C in this way is caused by direct inhibition of the SUMO protease SENP1 by lactate. We find that accumulated lactate binds and inhibits SENP1 by forming a complex with zinc in the SENP1 active site. SENP1 inhibition by lactate stabilizes SUMOylation of two residues on APC4, which drives UBE2C binding to APC/C. This direct regulation of APC/C by lactate stimulates timed degradation of cell cycle proteins, and efficient mitotic exit in proliferative human cells. This mechanism is initiated upon mitotic entry when lactate abundance reaches its apex. In this way, accumulation of lactate communicates the consequences of a nutrient-replete growth phase to stimulate timed opening of APC/C, cell division and proliferation. Conversely, persistent accumulation of lactate drives aberrant APC/C remodelling and can overcome anti-mitotic pharmacology via mitotic slippage. In sum, we define a biochemical mechanism through which lactate directly regulates protein function to control the cell cycle and proliferation.
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Affiliation(s)
- Weihai Liu
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA, USA
- Department of Cell Biology, Harvard Medical School, Boston, MA, USA
- Department of Musculoskeletal Oncology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Yun Wang
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA, USA
- Department of Cell Biology, Harvard Medical School, Boston, MA, USA
- Hospital of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University, Guangzhou, China
| | - Luiz H M Bozi
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA, USA
- Department of Cell Biology, Harvard Medical School, Boston, MA, USA
| | - Patrick D Fischer
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA, USA
- Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, MA, USA
- Department of Pharmacy, Pharmaceutical and Medicinal Chemistry, Saarland University, Saarbrücken, Germany
| | - Mark P Jedrychowski
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA, USA
- Department of Cell Biology, Harvard Medical School, Boston, MA, USA
| | - Haopeng Xiao
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA, USA
- Department of Cell Biology, Harvard Medical School, Boston, MA, USA
| | - Tao Wu
- Department of Systems Biology, Harvard Medical School, Boston, MA, USA
| | - Narek Darabedian
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA, USA
- Department of Cell Biology, Harvard Medical School, Boston, MA, USA
| | - Xiadi He
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA, USA
- Department of Cell Biology, Harvard Medical School, Boston, MA, USA
- Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, MA, USA
| | - Evanna L Mills
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA, USA
- Department of Cell Biology, Harvard Medical School, Boston, MA, USA
| | - Nils Burger
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA, USA
- Department of Cell Biology, Harvard Medical School, Boston, MA, USA
| | - Sanghee Shin
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA, USA
- Department of Cell Biology, Harvard Medical School, Boston, MA, USA
| | - Anita Reddy
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA, USA
- Department of Cell Biology, Harvard Medical School, Boston, MA, USA
| | - Hans-Georg Sprenger
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA, USA
- Department of Cell Biology, Harvard Medical School, Boston, MA, USA
| | - Nhien Tran
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA, USA
- Department of Cell Biology, Harvard Medical School, Boston, MA, USA
| | - Sally Winther
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA, USA
- Department of Cell Biology, Harvard Medical School, Boston, MA, USA
| | - Stephen M Hinshaw
- Stanford Cancer Institute, School of Medicine, Stanford University, Stanford, CA, USA
| | - Jingnan Shen
- Department of Musculoskeletal Oncology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Hyuk-Soo Seo
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA, USA
- Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, MA, USA
| | - Kijun Song
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA, USA
| | - Andrew Z Xu
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA, USA
| | - Luke Sebastian
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA, USA
| | - Jean J Zhao
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA, USA
- Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, MA, USA
- Broad Institute of Harvard and MIT, Cambridge, MA, USA
| | - Sirano Dhe-Paganon
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA, USA
- Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, MA, USA
| | - Jianwei Che
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA, USA
| | - Steven P Gygi
- Department of Cell Biology, Harvard Medical School, Boston, MA, USA
| | - Haribabu Arthanari
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA, USA
- Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, MA, USA
| | - Edward T Chouchani
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA, USA.
- Department of Cell Biology, Harvard Medical School, Boston, MA, USA.
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2
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A global map of associations between types of protein posttranslational modifications and human genetic diseases. iScience 2021; 24:102917. [PMID: 34430807 PMCID: PMC8365368 DOI: 10.1016/j.isci.2021.102917] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2021] [Revised: 06/27/2021] [Accepted: 07/27/2021] [Indexed: 12/14/2022] Open
Abstract
There are >200 types of protein posttranslational modifications (PTMs) described in eukaryotes, each with unique proteome coverage and functions. We hypothesized that some genetic diseases may be caused by the removal of a specific type of PTMs by genomic variants and the consequent deregulation of particular functions. We collected >320,000 human PTMs representing 59 types and crossed them with >4M nonsynonymous DNA variants annotated with predicted pathogenicity and disease associations. We report >1.74M PTM-variant co-occurrences that an enrichment analysis distributed into 215 pairwise associations between 18 PTM types and 148 genetic diseases. Of them, 42% were not previously described. Removal of lysine acetylation exerts the most pronounced effect, and less studied PTM types such as S-glutathionylation or S-nitrosylation show relevance. Using pathogenicity predictions, we identified PTM sites that may produce particular diseases if prevented. Our results provide evidence of a substantial impact of PTM-specific removal on the pathogenesis of genetic diseases and phenotypes. There is an enrichment of disease-associated nsSNVs preventing certain types of PTMs We report 215 pairwise associations between 18 PTM types and 148 genetic diseases The removal of lysine acetylation exerts the most pronounced effect We report a set of PTM sites that may produce particular diseases if prevented
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3
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Wan XQ, Cai JY, Zhu Y, Wang QX, Zhu HT, Ju HM, Lu HY. SENP1 has an important role in lung development and influences the differentiation of alveolar type 2 cells. Int J Mol Med 2018; 43:371-381. [PMID: 30387808 PMCID: PMC6257850 DOI: 10.3892/ijmm.2018.3964] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2018] [Accepted: 10/22/2018] [Indexed: 01/10/2023] Open
Abstract
Post-translational modification via small ubiquitin-like modifier (SUMO) is involved in the regulation of various important cellular processes. SUMO modification can be regulated at the level of conjugation, and can also be reversed by the SUMO-specific proteases (SENPs). However, current studies of the regulation and function of SENP in lung development remain limited. In this study, the expression levels of SENP1 and SUMO1 were assessed during lung development in rats. SUMO1 modification occurred during lung development and changes in SENP1 expression were consistent with the changes in the presence of free SUMO1. In order to investigate the function of SENP1, alveolar type (AT) 2 cells were transfected with SENP1-targeting small interfering RNA, and the proliferation, apoptosis and differentiation function of AT2 cells was subsequently evaluated. Marked upregulation of conjugated SUMO1 was observed following SENP1 inhibition. Furthermore, depletion of SENP1 resulted in increased apoptosis, decreased proliferation and impaired differentiation status of AT2 cells. Thus, the results support that SENP1 is an essential regulator of the balance between SUMOylation and deSUMOylation during lung development, specifically affecting the proliferation and differentiation status of AT2 cells.
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Affiliation(s)
- Xue-Qing Wan
- Department of Pediatrics, Affiliated Hospital of Jiangsu University, Zhenjiang, Jiangsu 212000, P.R. China
| | - Jia-Yu Cai
- Department of Pediatrics, Affiliated Hospital of Jiangsu University, Zhenjiang, Jiangsu 212000, P.R. China
| | - Yue Zhu
- Department of Pediatrics, Affiliated Hospital of Jiangsu University, Zhenjiang, Jiangsu 212000, P.R. China
| | - Qiu-Xia Wang
- Department of Pediatrics, Affiliated Hospital of Jiangsu University, Zhenjiang, Jiangsu 212000, P.R. China
| | - Hai-Tao Zhu
- Department of Pediatrics, Affiliated Hospital of Jiangsu University, Zhenjiang, Jiangsu 212000, P.R. China
| | - Hui-Min Ju
- Department of Pediatrics, Affiliated Hospital of Jiangsu University, Zhenjiang, Jiangsu 212000, P.R. China
| | - Hong-Yan Lu
- Department of Pediatrics, Affiliated Hospital of Jiangsu University, Zhenjiang, Jiangsu 212000, P.R. China
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4
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Abe T, Kawasumi R, Arakawa H, Hori T, Shirahige K, Losada A, Fukagawa T, Branzei D. Chromatin determinants of the inner-centromere rely on replication factors with functions that impart cohesion. Oncotarget 2018; 7:67934-67947. [PMID: 27636994 PMCID: PMC5356530 DOI: 10.18632/oncotarget.11982] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2016] [Accepted: 09/06/2016] [Indexed: 01/08/2023] Open
Abstract
Replication fork-associated factors promote genome integrity and protect against cancer. Mutations in the DDX11 helicase and the ESCO2 acetyltransferase also cause related developmental disorders classified as cohesinopathies. Here we generated vertebrate model cell lines of these disorders and cohesinopathies-related genes. We found that vertebrate DDX11 and Tim-Tipin are individually needed to compensate for ESCO2 loss in chromosome segregation, with DDX11 also playing complementary roles with ESCO2 in centromeric cohesion. Our study reveals that overt centromeric cohesion loss does not necessarily precede chromosome missegregation, while both these problems correlate with, and possibly originate from, inner-centromere defects involving reduced phosphorylation of histone H3T3 (pH3T3) in the region. Interestingly, the mitotic pH3T3 mark was defective in all analyzed replication-related mutants with functions in cohesion. The results pinpoint mitotic pH3T3 as a postreplicative chromatin mark that is sensitive to replication stress and conducts with different kinetics to robust centromeric cohesion and correct chromosome segregation.
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Affiliation(s)
- Takuya Abe
- IFOM, The FIRC Institute for Molecular Oncology Foundation, Milan, Italy
| | - Ryotaro Kawasumi
- IFOM, The FIRC Institute for Molecular Oncology Foundation, Milan, Italy.,Department of Chemistry, Graduate School of Science and Engineering, Tokyo Metropolitan University, Minamiosawa, Hachioji-shi, Tokyo, Japan
| | - Hiroshi Arakawa
- IFOM, The FIRC Institute for Molecular Oncology Foundation, Milan, Italy
| | - Tetsuya Hori
- Graduate School of Frontier Biosciences, Osaka University, Suita, Osaka, Japan
| | - Katsuhiko Shirahige
- Laboratory of Genome Structure and Function, Research Center for Epigenetic Disease, Institute of Molecular and Cellular Biosciences, University of Tokyo, Yayoi Bunkyo-Ku, Tokyo, Japan
| | - Ana Losada
- Chromosome Dynamics Group, Molecular Oncology Program, Spanish National Cancer Research Centre, Madrid, Spain
| | - Tatsuo Fukagawa
- Graduate School of Frontier Biosciences, Osaka University, Suita, Osaka, Japan
| | - Dana Branzei
- IFOM, The FIRC Institute for Molecular Oncology Foundation, Milan, Italy
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5
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Kawasumi R, Abe T, Arakawa H, Garre M, Hirota K, Branzei D. ESCO1/2's roles in chromosome structure and interphase chromatin organization. Genes Dev 2017; 31:2136-2150. [PMID: 29196537 PMCID: PMC5749162 DOI: 10.1101/gad.306084.117] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2017] [Accepted: 11/09/2017] [Indexed: 11/24/2022]
Abstract
In this study, Kawasumi et al. researched how ESCO1/2 acetyltransferases mediating SMC3 acetylation and sister chromatid cohesion (SCC) interact and contribute to chromosome structure and proliferation. Using chicken DT40 cell lines with mutations in ESCO1/2, SMC3 acetylation, and the cohesin remover WAPL, they show that cohesion establishment by vertebrate ESCO1/2 is linked to interphase chromatin architecture formation. ESCO1/2 acetyltransferases mediating SMC3 acetylation and sister chromatid cohesion (SCC) are differentially required for genome integrity and development. Here we established chicken DT40 cell lines with mutations in ESCO1/2, SMC3 acetylation, and the cohesin remover WAPL. Both ESCO1 and ESCO2 promoted SCC, while ESCO2 was additionally and specifically required for proliferation and centromere integrity. ESCO1 overexpression fully suppressed the slow proliferation and centromeric separation phenotypes of esco2 cells but only partly suppressed its chromosome arm SCC defects. Concomitant inactivation of ESCO1 and ESCO2 caused lethality owing to compromised mitotic chromosome segregation. Neither wapl nor acetyl-mimicking smc3-QQ mutations rescued esco1 esco2 lethality. Notably, esco1 esco2 wapl conditional mutants showed very severe proliferation defects associated with catastrophic mitoses and also abnormal interphase chromatin organization patterns. The results indicate that cohesion establishment by vertebrate ESCO1/2 is linked to interphase chromatin architecture formation, a newly identified function of cohesin acetyltransferases that is both fundamentally and medically relevant.
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Affiliation(s)
- Ryotaro Kawasumi
- The FIRC (Italian Foundation for Cancer Research) Institute of Molecular Oncology (IFOM), 20139 Milan, Italy
| | - Takuya Abe
- The FIRC (Italian Foundation for Cancer Research) Institute of Molecular Oncology (IFOM), 20139 Milan, Italy.,Department of Chemistry, Graduate School of Science and Engineering, Tokyo Metropolitan University, Hachioji-shi, Tokyo 192-0397, Japan
| | - Hiroshi Arakawa
- The FIRC (Italian Foundation for Cancer Research) Institute of Molecular Oncology (IFOM), 20139 Milan, Italy
| | - Massimiliano Garre
- The FIRC (Italian Foundation for Cancer Research) Institute of Molecular Oncology (IFOM), 20139 Milan, Italy
| | - Kouji Hirota
- Department of Chemistry, Graduate School of Science and Engineering, Tokyo Metropolitan University, Hachioji-shi, Tokyo 192-0397, Japan
| | - Dana Branzei
- The FIRC (Italian Foundation for Cancer Research) Institute of Molecular Oncology (IFOM), 20139 Milan, Italy.,Istituto di Genetica Molecolare, Consiglio Nazionale delle Ricerche (IGM-CNR), 27100 Pavia, Italy
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6
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Oakley MS, Verma N, Zheng H, Anantharaman V, Takeda K, Gao Y, Myers TG, Pham PT, Mahajan B, Kumar N, Sangweme D, Tripathi AK, Mlambo G, Aravind L, Kumar S. Molecular Markers of Radiation Induced Attenuation in Intrahepatic Plasmodium falciparum Parasites. PLoS One 2016; 11:e0166814. [PMID: 27911910 PMCID: PMC5135057 DOI: 10.1371/journal.pone.0166814] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2015] [Accepted: 11/04/2016] [Indexed: 11/24/2022] Open
Abstract
Experimental immunization with radiation attenuated sporozoites (RAS) and genetically attenuated sporozoites has proved to be a promising approach for malaria vaccine development. However, parasite biomarkers of growth attenuation and enhanced immune protection in response to radiation remain poorly understood. Here, we report on the effect of an attenuating dose of γ-irradiation (15 krad) on the Plasmodium falciparum sporozoite (PfSPZ) ultrastructure by electron microscopy, growth rate of liver stage P. falciparum in liver cell cultures, and genome-wide transcriptional profile of liver stage parasites by microarray. We find that γ-irradiation treated PfSPZ retained a normal cellular structure except that they were vacuous with a partially disrupted plasma membrane and inner membrane complex. A similar infection rate was observed by γ-irradiation-treated and untreated PfSPZ in human HCO-4 liver cells (0.47% versus 0.49%, respectively) on day 3 post-infection. In the microarray studies, cumulatively, 180 liver stage parasite genes were significantly transcriptionally altered on day 3 and/or 6 post-infection. Among the transcriptionally altered biomarkers, we identified a signature of seven candidate parasite genes that associated with functionally diverse pathways that may regulate radiation induced cell cycle arrest of the parasite within the hepatocyte. A repertoire of 14 genes associated with protein translation is transcriptionally overexpressed within the parasite by radiation. Additionally, 37 genes encode proteins expressed on the cell surface or exported into the host cell, 4 encode membrane associated transporters, and 10 encode proteins related to misfolding and stress-related protein processing. These results have significantly increased the repertoire of novel targets for 1) biomarkers of safety to define proper attenuation, 2) generating genetically attenuated parasite vaccine candidates, and 3) subunit candidate vaccines against liver stage malaria.
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Affiliation(s)
- Miranda S. Oakley
- Division of Bacterial, Parasitic, and Allergenic Products, Center for Biologics Evaluation and Research, Food and Drug Administration, Silver Spring, Maryland, United States
| | - Nitin Verma
- Division of Bacterial, Parasitic, and Allergenic Products, Center for Biologics Evaluation and Research, Food and Drug Administration, Silver Spring, Maryland, United States
| | - Hong Zheng
- Division of Emerging and Transfusion Transmitted Diseases, Center for Biologics Evaluation and Research, Food and Drug Administration, Silver Spring, Maryland, United States
| | - Vivek Anantharaman
- National Center for Biotechnology Information, National Library of Medicine, NIH, Bethesda, Maryland, United States
| | - Kazuyo Takeda
- Division of Viral Products, Center for Biologics Evaluation and Research, Food and Drug Administration, Silver Spring, Maryland, United States
| | - Yamei Gao
- Division of Viral Products, Center for Biologics Evaluation and Research, Food and Drug Administration, Silver Spring, Maryland, United States
| | - Timothy G. Myers
- Genomics Technologies Section, Research Technologies Branch, National Institute of Allergy and Infectious Diseases, NIH, Bethesda, Maryland, United States
| | - Phuong Thao Pham
- Division of Emerging and Transfusion Transmitted Diseases, Center for Biologics Evaluation and Research, Food and Drug Administration, Silver Spring, Maryland, United States
| | - Babita Mahajan
- Division of Emerging and Transfusion Transmitted Diseases, Center for Biologics Evaluation and Research, Food and Drug Administration, Silver Spring, Maryland, United States
| | - Nirbhay Kumar
- Bloomberg School of Public Health, Johns Hopkins University, Baltimore, Maryland, United States
| | - Davison Sangweme
- Bloomberg School of Public Health, Johns Hopkins University, Baltimore, Maryland, United States
| | - Abhai K. Tripathi
- Bloomberg School of Public Health, Johns Hopkins University, Baltimore, Maryland, United States
| | - Godfree Mlambo
- Bloomberg School of Public Health, Johns Hopkins University, Baltimore, Maryland, United States
| | - L. Aravind
- National Center for Biotechnology Information, National Library of Medicine, NIH, Bethesda, Maryland, United States
| | - Sanjai Kumar
- Division of Emerging and Transfusion Transmitted Diseases, Center for Biologics Evaluation and Research, Food and Drug Administration, Silver Spring, Maryland, United States
- * E-mail:
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7
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Huang CJ, Wu D, Khan FA, Huo LJ. The SUMO Protease SENP3 Orchestrates G2-M Transition and Spindle Assembly in Mouse Oocytes. Sci Rep 2015; 5:15600. [PMID: 26493771 PMCID: PMC4616058 DOI: 10.1038/srep15600] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2015] [Accepted: 09/24/2015] [Indexed: 12/14/2022] Open
Abstract
Oocyte meiosis is a transcription quiescence process and the cell-cycle progression is coordinated by multiple post-translational modifications, including SUMOylation. SENP3 an important deSUMOylation protease has been intensively studied in ribosome biogenesis and oxidative stress. However, the roles of SENP3 in cell-cycle regulation remain enigmatic, particularly for oocyte meiotic maturation. Here, we found that SENP3 co-localized with spindles during oocyte meiosis and silencing of SENP3 severely compromised the M phase entry (germinal vesicle breakdown, GVBD) and first polar body extrusion (PBI). The failure in polar body extrusion was due to the dysfunction of γ-tubulin that caused defective spindle morphogenesis. SENP3 depletion led to mislocalization and a substantial loss of Aurora A (an essential protein for MTOCs localization and spindle dynamics) while irregularly dispersed distribution of Bora (a binding partner and activator of Aurora A) in cytoplasm instead of concentrating at spindles. The SUMO-2/3 but not SUMO-1 conjugates were globally decreased by SENP3 RNAi. Additionally, the spindle assembly checkpoint remained functional upon SENP3 RNAi. Our findings renew the picture of SENP3 function by exploring its role in meiosis resumption, spindle assembly and following polar body emission during mouse oocyte meiotic maturation, which is potentially due to its proteolytic activity that facilitate SUMO-2/3 maturation.
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Affiliation(s)
- Chun-Jie Huang
- Key Laboratory of Agricultural Animal Genetics, Breeding and Reproduction, College of Animal Science and Technology, Huazhong Agricultural University, Wuhan, 430070, China
| | - Di Wu
- Key Laboratory of Agricultural Animal Genetics, Breeding and Reproduction, College of Animal Science and Technology, Huazhong Agricultural University, Wuhan, 430070, China
| | - Faheem Ahmed Khan
- Key Laboratory of Agricultural Animal Genetics, Breeding and Reproduction, College of Animal Science and Technology, Huazhong Agricultural University, Wuhan, 430070, China
| | - Li-Jun Huo
- Key Laboratory of Agricultural Animal Genetics, Breeding and Reproduction, College of Animal Science and Technology, Huazhong Agricultural University, Wuhan, 430070, China
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8
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Huang CJ, Wu D, Khan FA, Huo LJ. DeSUMOylation: An Important Therapeutic Target and Protein Regulatory Event. DNA Cell Biol 2015; 34:652-60. [PMID: 26309017 DOI: 10.1089/dna.2015.2933] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
The discovery of the process of small ubiquitin-like modifier (SUMO)-mediated post-translational modification of targets (SUMOylation) in early 1990s proved to be a significant step ahead in understanding mechanistic regulation of proteins and their functions in diverse life processes at the cellular level. The critical step in reversing the SUMOylation pathway is its ability to be dynamically deSUMOylated by SUMO/sentrin-specific protease (SENP). This review is intended to give a brief introduction about the process of SUMOylation, different mammalian deSUMOylating enzymes with special emphasis on their regulation of ribosome biogenesis at the molecular level, and its emerging roles in mitochondrial dynamics that might reveal usefulness of SENPs for therapeutic applications.
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Affiliation(s)
- Chun-Jie Huang
- Key Laboratory of Agricultural Animal Genetics, Breeding and Reproduction, College of Animal Science and Technology, Huazhong Agricultural University , Wuhan, China
| | - Di Wu
- Key Laboratory of Agricultural Animal Genetics, Breeding and Reproduction, College of Animal Science and Technology, Huazhong Agricultural University , Wuhan, China
| | - Faheem Ahmed Khan
- Key Laboratory of Agricultural Animal Genetics, Breeding and Reproduction, College of Animal Science and Technology, Huazhong Agricultural University , Wuhan, China
| | - Li-Jun Huo
- Key Laboratory of Agricultural Animal Genetics, Breeding and Reproduction, College of Animal Science and Technology, Huazhong Agricultural University , Wuhan, China
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9
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Stephens AD, Snider CE, Bloom K. The SUMO deconjugating peptidase Smt4 contributes to the mechanism required for transition from sister chromatid arm cohesion to sister chromatid pericentromere separation. Cell Cycle 2015; 14:2206-18. [PMID: 25946564 PMCID: PMC4613993 DOI: 10.1080/15384101.2015.1046656] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2015] [Accepted: 04/24/2015] [Indexed: 10/23/2022] Open
Abstract
The pericentromere chromatin protrudes orthogonally from the sister-sister chromosome arm axis. Pericentric protrusions are organized in a series of loops with the centromere at the apex, maximizing its ability to interact with stochastically growing and shortening kinetochore microtubules. Each pericentromere loop is ∼50 kb in size and is organized further into secondary loops that are displaced from the primary spindle axis. Cohesin and condensin are integral to mechanisms of loop formation and generating resistance to outward forces from kinesin motors and anti-parallel spindle microtubules. A major unanswered question is how the boundary between chromosome arms and the pericentromere is established and maintained. We used sister chromatid separation and dynamics of LacO arrays distal to the pericentromere to address this issue. Perturbation of chromatin spring components results in 2 distinct phenotypes. In cohesin and condensin mutants sister pericentric LacO arrays separate a defined distance independent of spindle length. In the absence of Smt4, a peptidase that removes SUMO modifications from proteins, pericentric LacO arrays separate in proportion to spindle length increase. Deletion of Smt4, unlike depletion of cohesin and condensin, causes stretching of both proximal and distal pericentromere LacO arrays. The data suggest that the sumoylation state of chromatin topology adjusters, including cohesin, condensin, and topoisomerase II in the pericentromere, contribute to chromatin spring properties as well as the sister cohesion boundary.
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Affiliation(s)
- Andrew D Stephens
- Department of Molecular Biosciences; Northwestern University; Evanston, IL USA
| | - Chloe E Snider
- Department of Biology; University of North Carolina at Chapel Hill; Chapel Hill, NC USA
| | - Kerry Bloom
- Department of Biology; University of North Carolina at Chapel Hill; Chapel Hill, NC USA
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10
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Hirota K, Tsuda M, Murai J, Takagi T, Keka IS, Narita T, Fujita M, Sasanuma H, Kobayashi J, Takeda S. SUMO-targeted ubiquitin ligase RNF4 plays a critical role in preventing chromosome loss. Genes Cells 2014; 19:743-54. [PMID: 25205350 DOI: 10.1111/gtc.12173] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2014] [Accepted: 07/26/2014] [Indexed: 01/08/2023]
Abstract
RING finger protein 4 (RNF4) represents a subclass of ubiquitin ligases that target proteins modified by the small ubiquitin-like modifier (SUMO) for ubiquitin-mediated degradation. We disrupted the RNF4 gene in chicken DT40 cells and found that the resulting RNF4(-/-) cells gradually lost proliferation capability. Strikingly, this compromised proliferation was associated with an unprecedented cellular effect: the gradual decrease in the number of intact chromosomes. In the 6 weeks after gene targeting, there was a 25% reduction in the DNA content of the RNF4(-/-) cells. Regarding trisomic chromosome 2, 60% of the RNF4(-/-) cells lost one homologue, suggesting that DNA loss was mediated by whole chromosome loss. To determine the cause of this chromosome loss, we examined cell-cycle checkpoint pathways. RNF4(-/-) cells showed a partial defect in the spindle assembly checkpoint, premature dissociation of sister chromatids, and a marked increase in the number of lagging chromosomes at anaphase. Thus, combined defects in SAC and sister chromatid cohesion may result in increased lagging chromosomes, leading to chromosome loss without accompanying chromosome gain in RNF4(-/-) cells. We therefore propose that RNF4 plays a novel role in preventing the loss of intact chromosomes and ensures the maintenance of chromosome integrity.
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Affiliation(s)
- Kouji Hirota
- Department of Radiation Genetics, Graduate School of Medicine, Kyoto University, Yoshidakonoe, Sakyo-ku, Kyoto, 606-8501, Japan; Department of Chemistry, Graduate School of Science and Engineering, Tokyo Metropolitan University, Minamiosawa 1-1, Hachioji-shi, Tokyo, 192-0397, Japan
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Ryu H, Gygi SP, Azuma Y, Arnaoutov A, Dasso M. SUMOylation of Psmd1 controls Adrm1 interaction with the proteasome. Cell Rep 2014; 7:1842-8. [PMID: 24910440 DOI: 10.1016/j.celrep.2014.05.009] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2013] [Revised: 01/17/2014] [Accepted: 05/05/2014] [Indexed: 12/21/2022] Open
Abstract
SUMOylation is the covalent conjugation of SUMO polypeptides to cellular target proteins. Psmd1 is a subunit of the proteasomal 19S regulatory particle that acts as a docking site for Adrm1, another proteasome subunit that recruits ubiquitinated substrates for proteolysis. Here, we show that the SUMO deconjugating enzyme xSENP1 specifically interacts with Psmd1 and that disruption of xSENP1 targeting delays mitotic exit. Psmd1 becomes SUMOylated through the action of the SUMO E3 enzyme PIASy. We mapped SUMOylation sites within Psmd1 and found that SUMOylation of a critical lysine immediately adjacent to the Adrm1-binding domain regulates the association of Adrm1 with Psmd1. Together, our findings suggest that the interaction of Psmd1 with Adrm1 is controlled by SUMOylation in a manner that may alter proteasome composition and function. These findings demonstrate a mechanism for regulation of ubiquitin-mediated protein degradation by ubiquitin-like proteins of the SUMO family.
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Affiliation(s)
- Hyunju Ryu
- National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, MD 20892, USA
| | - Steven P Gygi
- Department of Cell Biology, Harvard Medical School, Boston, MA 02115, USA
| | - Yoshiaki Azuma
- Department of Molecular Biosciences, University of Kansas, Lawrence, KS 66045, USA
| | - Alexei Arnaoutov
- National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, MD 20892, USA
| | - Mary Dasso
- National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, MD 20892, USA.
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Cubeñas-Potts C, Goeres JD, Matunis MJ. SENP1 and SENP2 affect spatial and temporal control of sumoylation in mitosis. Mol Biol Cell 2013; 24:3483-95. [PMID: 24048451 PMCID: PMC3826987 DOI: 10.1091/mbc.e13-05-0230] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Proper temporal and spatial regulation of sumoylation during mitosis is critical for mitotic progression. The SUMO isopeptidases SENP1 and SENP2 localize to key mitotic structures, including kinetochores. Overexpression and RNAi studies demonstrate that SENP1 and SENP2 are important modulators of SUMO function in mitosis. Sumoylation of centromere, kinetochore, and other mitotic chromosome-associated proteins is essential for chromosome segregation. The mechanisms regulating spatial and temporal sumoylation of proteins in mitosis, however, are not well understood. Here we show that the small ubiquitin-related modifier (SUMO)–specific isopeptidases SENP1 and SENP2 are targeted to kinetochores in mitosis. SENP2 targeting occurs through a mechanism dependent on the Nup107-160 subcomplex of the nuclear pore complex and is modulated through interactions with karyopherin α. Overexpression of SENP2, but not other SUMO-specific isopeptidases, causes a defect in chromosome congression that depends on its precise kinetochore targeting. By altering SENP1 kinetochore associations, however, this effect on chromosome congression could be phenocopied. In contrast, RNA interference–mediated knockdown of SENP1 delays sister chromatid separation at metaphase, whereas SENP2 knockdown produces no detectable phenotypes. Our findings indicate that chromosome segregation depends on precise spatial and temporal control of sumoylation in mitosis and that SENP1 and SENP2 are important mediators of this control.
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Affiliation(s)
- Caelin Cubeñas-Potts
- Department of Biochemistry and Molecular Biology, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, MD 21205
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