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Abou-Ghali M, Lallemand-Breitenbach V. PML Nuclear bodies: the cancer connection and beyond. Nucleus 2024; 15:2321265. [PMID: 38411156 PMCID: PMC10900273 DOI: 10.1080/19491034.2024.2321265] [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: 12/08/2023] [Accepted: 02/16/2024] [Indexed: 02/28/2024] Open
Abstract
Promyelocytic leukemia (PML) nuclear bodies, membrane-less organelles in the nucleus, play a crucial role in cellular homeostasis. These dynamic structures result from the assembly of scaffolding PML proteins and various partners. Recent crystal structure analyses revealed essential self-interacting domains, while liquid-liquid phase separation contributes to their formation. PML bodies orchestrate post-translational modifications, particularly stress-induced SUMOylation, impacting target protein functions. Serving as hubs in multiple signaling pathways, they influence cellular processes like senescence. Dysregulation of PML expression contributes to diseases, including cancer, highlighting their significance. Therapeutically, PML bodies are promising targets, exemplified by successful acute promyelocytic leukemia treatment with arsenic trioxide and retinoic acid restoring PML bodies. Understanding their functions illuminates both normal and pathological cellular physiology, guiding potential therapies. This review explores recent advancements in PML body biogenesis, biochemical activity, and their evolving biological roles.
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Affiliation(s)
- Majdouline Abou-Ghali
- Center for Interdisciplinary Research in Biology (CIRB), Collège de France, CNRS, INSERM, Université 11 PSL, Paris, France
- Saint-Louis Research Institute, Paris, France
| | - Valérie Lallemand-Breitenbach
- Center for Interdisciplinary Research in Biology (CIRB), Collège de France, CNRS, INSERM, Université 11 PSL, Paris, France
- Saint-Louis Research Institute, Paris, France
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2
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Berkholz J, Karle W. Unravelling the molecular interplay: SUMOylation, PML nuclear bodies and vascular cell activity in health and disease. Cell Signal 2024; 119:111156. [PMID: 38574938 DOI: 10.1016/j.cellsig.2024.111156] [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: 01/01/2024] [Revised: 03/23/2024] [Accepted: 04/01/2024] [Indexed: 04/06/2024]
Abstract
In the seemingly well-researched field of vascular research, there are still many underestimated factors and molecular mechanisms. In recent years, SUMOylation has become increasingly important. SUMOylation is a post-translational modification in which small ubiquitin-related modifiers (SUMO) are covalently attached to target proteins. Sites where these SUMO modification processes take place in the cell nucleus are PML nuclear bodies (PML-NBs) - multiprotein complexes with their essential main component and organizer, the PML protein. PML and SUMO, either alone or as partners, influence a variety of cellular processes, including regulation of transcription, senescence, DNA damage response and defence against microorganisms, and are involved in innate immunity and inflammatory responses. They also play an important role in maintaining homeostasis in the vascular system and in pathological processes leading to the development and progression of cardiovascular diseases. This review summarizes information about the function of SUMO(ylation) and PML(-NBs) in the human vasculature from angiogenesis to disease and highlights their clinical potential as drug targets.
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Affiliation(s)
- Janine Berkholz
- Institute of Physiology, Charité - Universitätsmedizin, Berlin, Germany; DZHK (German Centre for Cardiovascular Research), partner site Berlin, Germany.
| | - Weronika Karle
- Institute of Physiology, Charité - Universitätsmedizin, Berlin, Germany
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3
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Jing S, Gao J, Tiwari N, Du Y, Zhu L, Gim B, Qian Y, Yue X, Lee I. SUMOylated Golgin45 associates with PML-NB to transcriptionally regulate lipid metabolism genes during heat shock stress. Commun Biol 2024; 7:532. [PMID: 38710927 PMCID: PMC11074300 DOI: 10.1038/s42003-024-06232-3] [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: 09/23/2022] [Accepted: 04/23/2024] [Indexed: 05/08/2024] Open
Abstract
Golgin tethers are known to mediate vesicular transport in the secretory pathway, whereas it is relatively unknown whether they may mediate cellular stress response within the cell. Here, we describe a cellular stress response during heat shock stress via SUMOylation of a Golgin tether, Golgin45. We found that Golgin45 is a SUMOylated Golgin via SUMO1 under steady state condition. Upon heat shock stress, the Golgin enters the nucleus by interacting with Importin-β2 and gets further modified by SUMO3. Importantly, SUMOylated Golgin45 appears to interact with PML and SUMO-deficient Golgin45 mutant functions as a dominant negative for PML-NB formation during heat shock stress, suppressing transcription of lipid metabolism genes. These results indicate that Golgin45 may play a role in heat stress response by transcriptional regulation of lipid metabolism genes in SUMOylation-dependent fashion.
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Affiliation(s)
- Shuaiyang Jing
- School of Life Science and Technology, ShanghaiTech University, Shanghai, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Jingkai Gao
- School of Life Science and Technology, ShanghaiTech University, Shanghai, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Neeraj Tiwari
- Department of Cell Biology, Yale University School of Medicine, New Haven, CT, 06520, USA
| | - Yulei Du
- School of Life Science and Technology, ShanghaiTech University, Shanghai, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Lianhui Zhu
- School of Life Science and Technology, ShanghaiTech University, Shanghai, China
| | - Bopil Gim
- School of Physical Science and Technology, ShanghaiTech University, Shanghai, China
| | - Yi Qian
- School of Life Science and Technology, ShanghaiTech University, Shanghai, China.
| | - Xihua Yue
- School of Life Science and Technology, ShanghaiTech University, Shanghai, China.
| | - Intaek Lee
- School of Life Science and Technology, ShanghaiTech University, Shanghai, China.
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4
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Tian P, Xu Z, Guo J, Zhao J, Chen W, Huang W, Wang M, Mi C, Zhang Y, Yang Y, Zhang H. Hypoxia causes trophoblast cell ferroptosis to induce miscarriage through lnc-HZ06/HIF1α-SUMO/NCOA4 axis. Redox Biol 2024; 70:103073. [PMID: 38335622 PMCID: PMC10869313 DOI: 10.1016/j.redox.2024.103073] [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: 12/23/2023] [Revised: 01/23/2024] [Accepted: 01/31/2024] [Indexed: 02/12/2024] Open
Abstract
Defects of human trophoblast cells may induce miscarriage (abnormal early embryo loss), which is generally regulated by lncRNAs. Ferroptosis is a newly identified iron-dependent programmed cell death. Hypoxia is an important and unavoidable feature in mammalian cells. However, whether hypoxia might induce trophoblast cell ferroptosis and then induce miscarriage, as well as regulated by a lncRNA, was completely unknown. In this work, we discovered at the first time that hypoxia could result in ferroptosis of human trophoblast cells and then induce miscarriage. We also identified a novel lncRNA (lnc-HZ06) that simultaneously regulated hypoxia (indicated by HIF1α protein), ferroptosis, and miscarriage. In mechanism, HIF1α-SUMO, instead of HIF1α itself, primarily acted as a transcription factor to promote the transcription of NCOA4 (ferroptosis indicator) in hypoxic trophoblast cells. Lnc-HZ06 promoted the SUMOylation of HIF1α by suppressing SENP1-mediated deSUMOylation. HIF1α-SUMO also acted as a transcription factor to promote lnc-HZ06 transcription. Thus, both lnc-HZ06 and HIF1α-SUMO formed a positive auto-regulatory feedback loop. This loop was up-regulated in hypoxic trophoblast cells, in RM villous tissues, and in placental tissues of hypoxia-treated mice, which further induced ferroptosis and miscarriage by up-regulating HIF1α-SUMO-mediated NCOA4 transcription. Furthermore, knockdown of either murine lnc-hz06 or Ncoa4 could efficiently suppress ferroptosis and alleviate miscarriage in hypoxic mouse model. Taken together, this study provided new insights in understanding the regulatory roles of lnc-HZ06/HIF1α-SUMO/NCOA4 axis among hypoxia, ferroptosis, and miscarriage, and also offered an effective approach for treatment against miscarriage.
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Affiliation(s)
- Peng Tian
- Research Center for Environment and Female Reproductive Health, The Eighth Affiliated Hospital, Sun Yat-sen University, Shenzhen, 518033, China; Key Laboratory of Environment and Female Reproductive Health, West China School of Public Health, West China Fourth Hospital, Sichuan University, Chengdu, 610041, China
| | - Zhongyan Xu
- Research Center for Environment and Female Reproductive Health, The Eighth Affiliated Hospital, Sun Yat-sen University, Shenzhen, 518033, China; Key Laboratory of Environment and Female Reproductive Health, West China School of Public Health, West China Fourth Hospital, Sichuan University, Chengdu, 610041, China
| | - Jiarong Guo
- Research Center for Environment and Female Reproductive Health, The Eighth Affiliated Hospital, Sun Yat-sen University, Shenzhen, 518033, China; Key Laboratory of Environment and Female Reproductive Health, West China School of Public Health, West China Fourth Hospital, Sichuan University, Chengdu, 610041, China
| | - Jingsong Zhao
- Research Center for Environment and Female Reproductive Health, The Eighth Affiliated Hospital, Sun Yat-sen University, Shenzhen, 518033, China
| | - Weina Chen
- Research Center for Environment and Female Reproductive Health, The Eighth Affiliated Hospital, Sun Yat-sen University, Shenzhen, 518033, China
| | - Wenxin Huang
- Research Center for Environment and Female Reproductive Health, The Eighth Affiliated Hospital, Sun Yat-sen University, Shenzhen, 518033, China
| | - Manli Wang
- Research Center for Environment and Female Reproductive Health, The Eighth Affiliated Hospital, Sun Yat-sen University, Shenzhen, 518033, China
| | - Chenyang Mi
- Research Center for Environment and Female Reproductive Health, The Eighth Affiliated Hospital, Sun Yat-sen University, Shenzhen, 518033, China
| | - Ying Zhang
- Research Center for Environment and Female Reproductive Health, The Eighth Affiliated Hospital, Sun Yat-sen University, Shenzhen, 518033, China
| | - Yang Yang
- Research Center for Environment and Female Reproductive Health, The Eighth Affiliated Hospital, Sun Yat-sen University, Shenzhen, 518033, China
| | - Huidong Zhang
- Research Center for Environment and Female Reproductive Health, The Eighth Affiliated Hospital, Sun Yat-sen University, Shenzhen, 518033, China.
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Bercier P, de Thé H. History of Developing Acute Promyelocytic Leukemia Treatment and Role of Promyelocytic Leukemia Bodies. Cancers (Basel) 2024; 16:1351. [PMID: 38611029 PMCID: PMC11011038 DOI: 10.3390/cancers16071351] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2024] [Revised: 03/26/2024] [Accepted: 03/27/2024] [Indexed: 04/14/2024] Open
Abstract
The story of acute promyelocytic leukemia (APL) discovery, physiopathology, and treatment is a unique journey, transforming the most aggressive form of leukemia to the most curable. It followed an empirical route fueled by clinical breakthroughs driving major advances in biochemistry and cell biology, including the discovery of PML nuclear bodies (PML NBs) and their central role in APL physiopathology. Beyond APL, PML NBs have emerged as key players in a wide variety of biological functions, including tumor-suppression and SUMO-initiated protein degradation, underscoring their broad importance. The APL story is an example of how clinical observations led to the incremental development of the first targeted leukemia therapy. The understanding of APL pathogenesis and the basis for cure now opens new insights in the treatment of other diseases, especially other acute myeloid leukemias.
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Affiliation(s)
- Pierre Bercier
- Center for Interdisciplinary Research in Biology (CIRB), Collège de France, CNRS, INSERM, Université PSL, 75231 Paris, France;
- GenCellDis, Inserm U944, CNRS UMR7212, Université Paris Cité, 75010 Paris, France
| | - Hugues de Thé
- Center for Interdisciplinary Research in Biology (CIRB), Collège de France, CNRS, INSERM, Université PSL, 75231 Paris, France;
- GenCellDis, Inserm U944, CNRS UMR7212, Université Paris Cité, 75010 Paris, France
- Hematology Laboratory, Hôpital St Louis, AP/HP, 75010 Paris, France
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Silonov SA, Mokin YI, Nedelyaev EM, Smirnov EY, Kuznetsova IM, Turoverov KK, Uversky VN, Fonin AV. On the Prevalence and Roles of Proteins Undergoing Liquid-Liquid Phase Separation in the Biogenesis of PML-Bodies. Biomolecules 2023; 13:1805. [PMID: 38136675 PMCID: PMC10741438 DOI: 10.3390/biom13121805] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2023] [Revised: 12/08/2023] [Accepted: 12/12/2023] [Indexed: 12/24/2023] Open
Abstract
The formation and function of membrane-less organelles (MLOs) is one of the main driving forces in the molecular life of the cell. These processes are based on the separation of biopolymers into phases regulated by multiple specific and nonspecific inter- and intramolecular interactions. Among the realm of MLOs, a special place is taken by the promyelocytic leukemia nuclear bodies (PML-NBs or PML bodies), which are the intranuclear compartments involved in the regulation of cellular metabolism, transcription, the maintenance of genome stability, responses to viral infection, apoptosis, and tumor suppression. According to the accepted models, specific interactions, such as SUMO/SIM, the formation of disulfide bonds, etc., play a decisive role in the biogenesis of PML bodies. In this work, a number of bioinformatics approaches were used to study proteins found in the proteome of PML bodies for their tendency for spontaneous liquid-liquid phase separation (LLPS), which is usually caused by weak nonspecific interactions. A total of 205 proteins found in PML bodies have been identified. It has been suggested that UBC9, P53, HIPK2, and SUMO1 can be considered as the scaffold proteins of PML bodies. It was shown that more than half of the proteins in the analyzed proteome are capable of spontaneous LLPS, with 85% of the analyzed proteins being intrinsically disordered proteins (IDPs) and the remaining 15% being proteins with intrinsically disordered protein regions (IDPRs). About 44% of all proteins analyzed in this study contain SUMO binding sites and can potentially be SUMOylated. These data suggest that weak nonspecific interactions play a significantly larger role in the formation and biogenesis of PML bodies than previously expected.
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Affiliation(s)
- Sergey A. Silonov
- Laboratory of Structural Dynamics, Stability and Folding of Proteins, Institute of Cytology, Russian Academy of Sciences, St. Petersburg 194064, Russia; (S.A.S.); (Y.I.M.); (E.M.N.); (E.Y.S.); (I.M.K.); (K.K.T.)
| | - Yakov I. Mokin
- Laboratory of Structural Dynamics, Stability and Folding of Proteins, Institute of Cytology, Russian Academy of Sciences, St. Petersburg 194064, Russia; (S.A.S.); (Y.I.M.); (E.M.N.); (E.Y.S.); (I.M.K.); (K.K.T.)
| | - Eugene M. Nedelyaev
- Laboratory of Structural Dynamics, Stability and Folding of Proteins, Institute of Cytology, Russian Academy of Sciences, St. Petersburg 194064, Russia; (S.A.S.); (Y.I.M.); (E.M.N.); (E.Y.S.); (I.M.K.); (K.K.T.)
| | - Eugene Y. Smirnov
- Laboratory of Structural Dynamics, Stability and Folding of Proteins, Institute of Cytology, Russian Academy of Sciences, St. Petersburg 194064, Russia; (S.A.S.); (Y.I.M.); (E.M.N.); (E.Y.S.); (I.M.K.); (K.K.T.)
| | - Irina M. Kuznetsova
- Laboratory of Structural Dynamics, Stability and Folding of Proteins, Institute of Cytology, Russian Academy of Sciences, St. Petersburg 194064, Russia; (S.A.S.); (Y.I.M.); (E.M.N.); (E.Y.S.); (I.M.K.); (K.K.T.)
| | - Konstantin K. Turoverov
- Laboratory of Structural Dynamics, Stability and Folding of Proteins, Institute of Cytology, Russian Academy of Sciences, St. Petersburg 194064, Russia; (S.A.S.); (Y.I.M.); (E.M.N.); (E.Y.S.); (I.M.K.); (K.K.T.)
| | - Vladimir N. Uversky
- Department of Molecular Medicine and USF Health Byrd Alzheimer’s Research Institute, Morsani College of Medicine, University of South Florida, Tampa, FL 33612, USA;
| | - Alexander V. Fonin
- Laboratory of Structural Dynamics, Stability and Folding of Proteins, Institute of Cytology, Russian Academy of Sciences, St. Petersburg 194064, Russia; (S.A.S.); (Y.I.M.); (E.M.N.); (E.Y.S.); (I.M.K.); (K.K.T.)
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7
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Zhou Y, Nakajima R, Shirasawa M, Fikriyanti M, Zhao L, Iwanaga R, Bradford AP, Kurayoshi K, Araki K, Ohtani K. Expanding Roles of the E2F-RB-p53 Pathway in Tumor Suppression. BIOLOGY 2023; 12:1511. [PMID: 38132337 PMCID: PMC10740672 DOI: 10.3390/biology12121511] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/06/2023] [Revised: 12/03/2023] [Accepted: 12/06/2023] [Indexed: 12/23/2023]
Abstract
The transcription factor E2F links the RB pathway to the p53 pathway upon loss of function of pRB, thereby playing a pivotal role in the suppression of tumorigenesis. E2F fulfills a major role in cell proliferation by controlling a variety of growth-associated genes. The activity of E2F is controlled by the tumor suppressor pRB, which binds to E2F and actively suppresses target gene expression, thereby restraining cell proliferation. Signaling pathways originating from growth stimulative and growth suppressive signals converge on pRB (the RB pathway) to regulate E2F activity. In most cancers, the function of pRB is compromised by oncogenic mutations, and E2F activity is enhanced, thereby facilitating cell proliferation to promote tumorigenesis. Upon such events, E2F activates the Arf tumor suppressor gene, leading to activation of the tumor suppressor p53 to protect cells from tumorigenesis. ARF inactivates MDM2, which facilitates degradation of p53 through proteasome by ubiquitination (the p53 pathway). P53 suppresses tumorigenesis by inducing cellular senescence or apoptosis. Hence, in almost all cancers, the p53 pathway is also disabled. Here we will introduce the canonical functions of the RB-E2F-p53 pathway first and then the non-classical functions of each component, which may be relevant to cancer biology.
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Affiliation(s)
- Yaxuan Zhou
- Department of Biomedical Sciences, School of Biological and Environmental Sciences, Kwansei Gakuin University, 1 Gakuen Uegahara, Sanda, Hyogo 669-1330, Japan; (Y.Z.); (R.N.); (M.S.); (M.F.); (L.Z.)
| | - Rinka Nakajima
- Department of Biomedical Sciences, School of Biological and Environmental Sciences, Kwansei Gakuin University, 1 Gakuen Uegahara, Sanda, Hyogo 669-1330, Japan; (Y.Z.); (R.N.); (M.S.); (M.F.); (L.Z.)
| | - Mashiro Shirasawa
- Department of Biomedical Sciences, School of Biological and Environmental Sciences, Kwansei Gakuin University, 1 Gakuen Uegahara, Sanda, Hyogo 669-1330, Japan; (Y.Z.); (R.N.); (M.S.); (M.F.); (L.Z.)
| | - Mariana Fikriyanti
- Department of Biomedical Sciences, School of Biological and Environmental Sciences, Kwansei Gakuin University, 1 Gakuen Uegahara, Sanda, Hyogo 669-1330, Japan; (Y.Z.); (R.N.); (M.S.); (M.F.); (L.Z.)
| | - Lin Zhao
- Department of Biomedical Sciences, School of Biological and Environmental Sciences, Kwansei Gakuin University, 1 Gakuen Uegahara, Sanda, Hyogo 669-1330, Japan; (Y.Z.); (R.N.); (M.S.); (M.F.); (L.Z.)
| | - Ritsuko Iwanaga
- Department of Obstetrics and Gynecology, University of Colorado School of Medicine, Anschutz Medical Campus, 12800 East 19th Avenue, Aurora, CO 80045, USA; (R.I.); (A.P.B.)
| | - Andrew P. Bradford
- Department of Obstetrics and Gynecology, University of Colorado School of Medicine, Anschutz Medical Campus, 12800 East 19th Avenue, Aurora, CO 80045, USA; (R.I.); (A.P.B.)
| | - Kenta Kurayoshi
- Division of Molecular Genetics, Cancer Research Institute, Kanazawa University, Kakuma-machi, Kanazawa 920-1192, Japan;
| | - Keigo Araki
- Department of Morphological Biology, Ohu University School of Dentistry, 31-1 Misumido Tomitamachi, Koriyama, Fukushima 963-8611, Japan;
| | - Kiyoshi Ohtani
- Department of Biomedical Sciences, School of Biological and Environmental Sciences, Kwansei Gakuin University, 1 Gakuen Uegahara, Sanda, Hyogo 669-1330, Japan; (Y.Z.); (R.N.); (M.S.); (M.F.); (L.Z.)
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8
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Silonov SA, Smirnov EY, Kuznetsova IM, Turoverov KK, Fonin AV. PML Body Biogenesis: A Delicate Balance of Interactions. Int J Mol Sci 2023; 24:16702. [PMID: 38069029 PMCID: PMC10705990 DOI: 10.3390/ijms242316702] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2023] [Revised: 11/21/2023] [Accepted: 11/22/2023] [Indexed: 12/18/2023] Open
Abstract
PML bodies are subnuclear protein complexes that play a crucial role in various physiological and pathological cellular processes. One of the general structural proteins of PML bodies is a member of the tripartite motif (TRIM) family-promyelocytic leukemia protein (PML). It is known that PML interacts with over a hundred partners, and the protein itself is represented by several major isoforms, differing in their variable and disordered C-terminal end due to alternative splicing. Despite nearly 30 years of research, the mechanisms underlying PML body formation and the role of PML proteins in this process remain largely unclear. In this review, we examine the literature and highlight recent progress in this field, with a particular focus on understanding the role of individual domains of the PML protein, its post-translational modifications, and polyvalent nonspecific interactions in the formation of PML bodies. Additionally, based on the available literature, we propose a new hypothetical model of PML body formation.
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Affiliation(s)
- Sergey A. Silonov
- Laboratory of Structural Dynamics, Stability and Folding of Proteins, Institute of Cytology, Russian Academy of Sciences, St. Petersburg 194064, Russia; (E.Y.S.); (I.M.K.); (K.K.T.)
| | | | | | | | - Alexander V. Fonin
- Laboratory of Structural Dynamics, Stability and Folding of Proteins, Institute of Cytology, Russian Academy of Sciences, St. Petersburg 194064, Russia; (E.Y.S.); (I.M.K.); (K.K.T.)
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9
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Dong Y, Zheng M, Wang X, Yu C, Qin T, Shen X. High expression of CDKN2A is associated with poor prognosis in colorectal cancer and may guide PD-1-mediated immunotherapy. BMC Cancer 2023; 23:1097. [PMID: 37950153 PMCID: PMC10638725 DOI: 10.1186/s12885-023-11603-w] [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: 07/26/2023] [Accepted: 11/02/2023] [Indexed: 11/12/2023] Open
Abstract
BACKGROUND Colorectal cancer (CRC) is one of the most common malignancies worldwide. Immunotherapy targeting the programmed death protein 1(PD-1) and its ligand (PD-L1), is a promising treatment option for many cancers, but has exhibited poor therapeutic efficacy in CRC. This study aimed to identify and validate the prognostic value of immune-related genes and PD-1-associated genes for immunotherapy treatment of CRC. METHODS An extensive analysis of prognostic immune-related DEGs and PD-1-related genes has highlighted CDKN2A as a vital overlapping gene. To further explore its expression in CRC and its prognostic value, we conducted qRT-PCR, Western blot experiments, and consulted various databases. Subsequently, we conducted gene expression analysis, survival and prognostic analysis, enrichment analysis, immune infiltration assessment, and TIDE analysis to assess the significance of CDKN2A. RESULTS In CRC, CDKN2A was highly expressed compared to normal tissue. It was found that CDKN2A expression was related to clinicopathological features such as inflammation and tumor stage. Furthermore, a significant correlation was identified between CDKN2A and immune infiltration, specifically involving CD4 T cells, CD8 T cells, and macrophages. The analysis of the GSEA of CRC samples with high CDKN2A expression identified enrichment of genes involved in MYC target-v2 and metabolism pathways. Furthermore, UBE2I, CDK4, CDK6, TP53, and CCND1 were found to be significantly coexpressed with CDKN2A, suggesting a potential role that these gene play in CRC and immunotherapy. CONCLUSIONS Our study revealed that high CDKN2A expression in CRC is a potentially valuable prognostic biomarker, which may guide PD-1-mediated immunotherapy.
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Affiliation(s)
- Yuying Dong
- Zhejiang Chinese Medical University, Hangzhou, People's Republic of China
| | - Mingming Zheng
- Zhejiang Chinese Medical University, Hangzhou, People's Republic of China
| | - Xiaoxuan Wang
- Zhejiang Chinese Medical University, Hangzhou, People's Republic of China
| | - Chenyue Yu
- Affiliated Hospital of Jiaxing University, Jiaxing, Zhejiang, People's Republic of China
| | - Tiantian Qin
- Affiliated Hospital of Jiaxing University, Jiaxing, Zhejiang, People's Republic of China
| | - Xuning Shen
- Affiliated Hospital of Jiaxing University, Jiaxing, Zhejiang, People's Republic of China.
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10
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Rérolle D, de Thé H. The PML hub: An emerging actor of leukemia therapies. J Exp Med 2023; 220:e20221213. [PMID: 37382966 PMCID: PMC10309189 DOI: 10.1084/jem.20221213] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2023] [Revised: 05/29/2023] [Accepted: 06/09/2023] [Indexed: 06/30/2023] Open
Abstract
PML assembles into nuclear domains that have attracted considerable attention from cell and cancer biologists. Upon stress, PML nuclear bodies modulate sumoylation and other post-translational modifications, providing an integrated molecular framework for the multiple roles of PML in apoptosis, senescence, or metabolism. PML is both a sensor and an effector of oxidative stress. Emerging data has demonstrated its key role in promoting therapy response in several hematological malignancies. While these membrane-less nuclear hubs can enforce efficient cancer cell clearance, their downstream pathways deserve better characterization. PML NBs are druggable and their known modulators may have broader clinical utilities than initially thought.
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Affiliation(s)
- Domitille Rérolle
- Center for Interdisciplinary Research in Biology, Collège de France, Inserm, PSL Research University, Paris, France
- Université Paris Cité, Inserm U944, CNRS, GenCellDis, Institut de Recherche Saint-Louis, Paris, France
| | - Hugues de Thé
- Center for Interdisciplinary Research in Biology, Collège de France, Inserm, PSL Research University, Paris, France
- Université Paris Cité, Inserm U944, CNRS, GenCellDis, Institut de Recherche Saint-Louis, Paris, France
- Chaire d'Oncologie Cellulaire et Moléculaire, Collège de France, Paris, France
- Service d'Hématologie Biologique, Assistance Publique-Hôpitaux de Paris, Hôpital St. Louis, Paris, France
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11
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Huang D, Zhao D, Li M, Chang SY, Xue YD, Xu N, Li SJ, Tang NN, Gong LL, Liu YN, Yu H, Li QS, Li PY, Liu JL, Chen HX, Liu MB, Zhang WY, Zhao XM, Lang XZ, Li ZD, Liu Y, Ma ZY, Li JM, Wang N, Tian H, Cai BZ. Crosstalk between PML and p53 in response to TGF-β1: A new mechanism of cardiac fibroblast activation. Int J Biol Sci 2023; 19:994-1006. [PMID: 36778116 PMCID: PMC9910009 DOI: 10.7150/ijbs.76214] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2022] [Accepted: 12/06/2022] [Indexed: 02/04/2023] Open
Abstract
Cardiac fibrosis is a common pathological cardiac remodeling in a variety of heart diseases, characterized by the activation of cardiac fibroblasts. Our previous study uncovered that promyelocytic leukemia protein (PML)-associated SUMO processes is a new regulator of cardiac hypertrophy and heart failure. The present study aimed to explore the role of PML in cardiac fibroblasts activation. Here we found that PML is significantly upregulated in cardiac fibrotic tissue and activated cardiac fibroblasts treated with transforming growth factor-β1 (TGF-β1). Gain- and loss-of-function experiments showed that PML impacted cardiac fibroblasts activation after TGF-β1 treatment. Further study demonstrated that p53 acts as the transcriptional regulator of PML, and participated in TGF-β1 induced the increase of PML expression and PML nuclear bodies (PML-NBs) formation. Knockdown or pharmacological inhibition of p53 produced inhibitory effects on the activation of cardiac fibroblasts. We further found that PML also may stabilize p53 through inhibiting its ubiquitin-mediated proteasomal degradation in cardiac fibroblasts. Collectively, this study suggests that PML crosstalk with p53 regulates cardiac fibroblasts activation, which provides a novel therapeutic strategy for cardiac fibrosis.
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Affiliation(s)
- Di Huang
- Department of Pharmacy at the Second Affiliated Hospital, Department of Pharmacology at College of Pharmacy, Harbin Medical University, Harbin, 150081, China
| | - Dan Zhao
- Department of Pharmacy at the Second Affiliated Hospital, Department of Pharmacology at College of Pharmacy, Harbin Medical University, Harbin, 150081, China
| | - Ming Li
- Department of Pharmacy at the Second Affiliated Hospital, Department of Pharmacology at College of Pharmacy, Harbin Medical University, Harbin, 150081, China
| | - Si-Yu Chang
- Department of Pharmacy at the Second Affiliated Hospital, Department of Pharmacology at College of Pharmacy, Harbin Medical University, Harbin, 150081, China
| | - Ya-Dong Xue
- Department of Pharmacy at the Second Affiliated Hospital, Department of Pharmacology at College of Pharmacy, Harbin Medical University, Harbin, 150081, China
| | - Ning Xu
- Department of Pharmacy at the Second Affiliated Hospital, Department of Pharmacology at College of Pharmacy, Harbin Medical University, Harbin, 150081, China
| | - Si-Jia Li
- Department of Pharmacy at the Second Affiliated Hospital, Department of Pharmacology at College of Pharmacy, Harbin Medical University, Harbin, 150081, China
| | - Nan-Nan Tang
- Department of Pharmacy at the Second Affiliated Hospital, Department of Pharmacology at College of Pharmacy, Harbin Medical University, Harbin, 150081, China
| | - Li-Ling Gong
- Department of Pharmacy at the Second Affiliated Hospital, Department of Pharmacology at College of Pharmacy, Harbin Medical University, Harbin, 150081, China
| | - Yi-Ning Liu
- Department of Pharmacy at the Second Affiliated Hospital, Department of Pharmacology at College of Pharmacy, Harbin Medical University, Harbin, 150081, China
| | - Hang Yu
- Department of Pharmacy at the Second Affiliated Hospital, Department of Pharmacology at College of Pharmacy, Harbin Medical University, Harbin, 150081, China
| | - Qing-Sui Li
- Department of Pharmacy at the Second Affiliated Hospital, Department of Pharmacology at College of Pharmacy, Harbin Medical University, Harbin, 150081, China
| | - Peng-Yu Li
- Department of Pharmacy at the Second Affiliated Hospital, Department of Pharmacology at College of Pharmacy, Harbin Medical University, Harbin, 150081, China
| | - Jia-Li Liu
- Department of Pharmacy at the Second Affiliated Hospital, Department of Pharmacology at College of Pharmacy, Harbin Medical University, Harbin, 150081, China
| | - Hai-Xin Chen
- Department of Pharmacy at the Second Affiliated Hospital, Department of Pharmacology at College of Pharmacy, Harbin Medical University, Harbin, 150081, China
| | - Ming-Bin Liu
- Department of Pharmacy at the Second Affiliated Hospital, Department of Pharmacology at College of Pharmacy, Harbin Medical University, Harbin, 150081, China
| | - Wan-Yu Zhang
- Department of Pharmacy at the Second Affiliated Hospital, Department of Pharmacology at College of Pharmacy, Harbin Medical University, Harbin, 150081, China
| | - Xing-Miao Zhao
- Department of Pharmacy at the Second Affiliated Hospital, Department of Pharmacology at College of Pharmacy, Harbin Medical University, Harbin, 150081, China
| | - Xian-Zhi Lang
- Department of Pharmacy at the Second Affiliated Hospital, Department of Pharmacology at College of Pharmacy, Harbin Medical University, Harbin, 150081, China
| | - Zhen-Dong Li
- Department of Pharmacy at the Second Affiliated Hospital, Department of Pharmacology at College of Pharmacy, Harbin Medical University, Harbin, 150081, China
| | - Yu Liu
- Department of Pharmacy at the Second Affiliated Hospital, Department of Pharmacology at College of Pharmacy, Harbin Medical University, Harbin, 150081, China
| | - Zhi-Yong Ma
- Department of Pharmacy at the Second Affiliated Hospital, Department of Pharmacology at College of Pharmacy, Harbin Medical University, Harbin, 150081, China
| | - Jia-Min Li
- Department of Pharmacy at the Second Affiliated Hospital, Department of Pharmacology at College of Pharmacy, Harbin Medical University, Harbin, 150081, China.,Research Unit of Noninfectious Chronic Diseases in Frigid Zone (2019RU070), Chinese Academy of Medical Sciences, Harbin, 150081, China.,Northern Translational Medicine Research and Cooperation Center, Heilongjiang Academy of Medical Sciences, Harbin Medical University, Harbin, 150081, China
| | - Ning Wang
- Department of Pharmacy at the Second Affiliated Hospital, Department of Pharmacology at College of Pharmacy, Harbin Medical University, Harbin, 150081, China.,Research Unit of Noninfectious Chronic Diseases in Frigid Zone (2019RU070), Chinese Academy of Medical Sciences, Harbin, 150081, China.,Northern Translational Medicine Research and Cooperation Center, Heilongjiang Academy of Medical Sciences, Harbin Medical University, Harbin, 150081, China
| | - Hai Tian
- Department of Cardiovascular Surgery, The Second Affiliated Hospital of Harbin Medical University, Harbin, 150081, China.,Future Medical laboratory, The Second Affiliated Hospital of Harbin Medical University, Harbin, 150081, China
| | - Ben-Zhi Cai
- Department of Pharmacy at the Second Affiliated Hospital, Department of Pharmacology at College of Pharmacy, Harbin Medical University, Harbin, 150081, China.,Research Unit of Noninfectious Chronic Diseases in Frigid Zone (2019RU070), Chinese Academy of Medical Sciences, Harbin, 150081, China.,Northern Translational Medicine Research and Cooperation Center, Heilongjiang Academy of Medical Sciences, Harbin Medical University, Harbin, 150081, China
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12
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Vidal S, Bouzaher YH, El Motiam A, Seoane R, Rivas C. Overview of the regulation of the class IA PI3K/AKT pathway by SUMO. Semin Cell Dev Biol 2022; 132:51-61. [PMID: 34753687 DOI: 10.1016/j.semcdb.2021.10.012] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2021] [Revised: 10/22/2021] [Accepted: 10/26/2021] [Indexed: 12/14/2022]
Abstract
The phosphatidylinositol-3-kinase (PI3K)/AKT pathway is a major regulator of metabolism, migration, survival, proliferation, and antiviral immunity. Both an overactivation and an inhibition of the PI3K/AKT pathway are related to different pathologies. Activation of this signaling pathway is tightly controlled through a multistep process and its deregulation can be associated with aberrant post-translational modifications including SUMOylation. Here, we review the complex modulation of the PI3K/AKT pathway by SUMOylation and we discuss its putative incvolvement in human disease.
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Affiliation(s)
- Santiago Vidal
- Centro de Investigación en Medicina Molecular y Enfermedades Crónicas (CIMUS), Universidade de Santiago de Compostela, Instituto de Investigaciones Sanitarias (IDIS), 15706 Santiago de Compostela, Spain
| | - Yanis Hichem Bouzaher
- Centro de Investigación en Medicina Molecular y Enfermedades Crónicas (CIMUS), Universidade de Santiago de Compostela, Instituto de Investigaciones Sanitarias (IDIS), 15706 Santiago de Compostela, Spain
| | - Ahmed El Motiam
- Centro de Investigación en Medicina Molecular y Enfermedades Crónicas (CIMUS), Universidade de Santiago de Compostela, Instituto de Investigaciones Sanitarias (IDIS), 15706 Santiago de Compostela, Spain; Lunenfeld Tanenbaum Research Institute, Mount Sinai Hospital, Sinai Health Systems, Department of Ophthalmology and Vision Science, and Department of Lab Medicine and Pathobiology, University of Toronto, Toronto, ON M5G 1X5, Canada
| | - Rocío Seoane
- Centro de Investigación en Medicina Molecular y Enfermedades Crónicas (CIMUS), Universidade de Santiago de Compostela, Instituto de Investigaciones Sanitarias (IDIS), 15706 Santiago de Compostela, Spain
| | - Carmen Rivas
- Centro de Investigación en Medicina Molecular y Enfermedades Crónicas (CIMUS), Universidade de Santiago de Compostela, Instituto de Investigaciones Sanitarias (IDIS), 15706 Santiago de Compostela, Spain; Centro Nacional de Biotecnología (CNB), Consejo Superior de Investigaciones Científicas (CSIC), Cantoblanco, 28049 Madrid, Spain.
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13
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Huang N, Sun X, Li P, Liu X, Zhang X, Chen Q, Xin H. TRIM family contribute to tumorigenesis, cancer development, and drug resistance. Exp Hematol Oncol 2022; 11:75. [PMID: 36261847 PMCID: PMC9583506 DOI: 10.1186/s40164-022-00322-w] [Citation(s) in RCA: 25] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2022] [Accepted: 09/16/2022] [Indexed: 11/26/2022] Open
Abstract
The tripartite-motif (TRIM) family represents one of the largest classes of putative single protein RING-finger E3 ubiquitin ligases. TRIM family is involved in a variety of cellular signaling transductions and biological processes. TRIM family also contributes to cancer initiation, progress, and therapy resistance, exhibiting oncogenic and tumor-suppressive functions in different human cancer types. Moreover, TRIM family members have great potential to serve as biomarkers for cancer diagnosis and prognosis. In this review, we focus on the specific mechanisms of the participation of TRIM family members in tumorigenesis, and cancer development including interacting with dysregulated signaling pathways such as JAK/STAT, PI3K/AKT, TGF-β, NF-κB, Wnt/β-catenin, and p53 hub. In addition, many studies have demonstrated that the TRIM family are related to tumor resistance; modulate the epithelial–mesenchymal transition (EMT) process, and guarantee the acquisition of cancer stem cells (CSCs) phenotype. In the end, we havediscussed the potential of TRIM family members for cancer therapeutic targets.
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Affiliation(s)
- Ning Huang
- Department of Pharmacology, School of Pharmacy & General Surgery of Minhang Hospital, Fudan University, Shanghai, 201203, China.,PharmaLegacy Laboratories Co.,Ltd, Shengrong Road No.388, Zhangjiang High-tech Park, Pudong New Area, Shanghai, China
| | - Xiaolin Sun
- Department of Pharmacology, School of Pharmacy & General Surgery of Minhang Hospital, Fudan University, Shanghai, 201203, China
| | - Peng Li
- Department of Pharmacology, School of Pharmacy & General Surgery of Minhang Hospital, Fudan University, Shanghai, 201203, China
| | - Xin Liu
- Department of Pharmacology, School of Pharmacy & General Surgery of Minhang Hospital, Fudan University, Shanghai, 201203, China.,PharmaLegacy Laboratories Co.,Ltd, Shengrong Road No.388, Zhangjiang High-tech Park, Pudong New Area, Shanghai, China
| | - Xuemei Zhang
- Department of Pharmacology, School of Pharmacy & General Surgery of Minhang Hospital, Fudan University, Shanghai, 201203, China.
| | - Qian Chen
- Department of Pharmacology, School of Pharmacy & General Surgery of Minhang Hospital, Fudan University, Shanghai, 201203, China.
| | - Hong Xin
- Department of Pharmacology, School of Pharmacy & General Surgery of Minhang Hospital, Fudan University, Shanghai, 201203, China.
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14
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Exploration of nuclear body-enhanced sumoylation reveals that PML represses 2-cell features of embryonic stem cells. Nat Commun 2022; 13:5726. [PMID: 36175410 PMCID: PMC9522831 DOI: 10.1038/s41467-022-33147-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2021] [Accepted: 09/05/2022] [Indexed: 01/12/2023] Open
Abstract
Membrane-less organelles are condensates formed by phase separation whose functions often remain enigmatic. Upon oxidative stress, PML scaffolds Nuclear Bodies (NBs) to regulate senescence or metabolic adaptation. PML NBs recruit many partner proteins, but the actual biochemical mechanism underlying their pleiotropic functions remains elusive. Similarly, PML role in embryonic stem cell (ESC) and retro-element biology is unsettled. Here we demonstrate that PML is essential for oxidative stress-driven partner SUMO2/3 conjugation in mouse ESCs (mESCs) or leukemia, a process often followed by their poly-ubiquitination and degradation. Functionally, PML is required for stress responses in mESCs. Differential proteomics unravel the KAP1 complex as a PML NB-dependent SUMO2-target in arsenic-treated APL mice or mESCs. PML-driven KAP1 sumoylation enables activation of this key epigenetic repressor implicated in retro-element silencing. Accordingly, Pml-/- mESCs re-express transposable elements and display 2-Cell-Like features, the latter enforced by PML-controlled SUMO2-conjugation of DPPA2. Thus, PML orchestrates mESC state by coordinating SUMO2-conjugation of different transcriptional regulators, raising new hypotheses about PML roles in cancer.
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15
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Liebl MC, Hofmann TG. Regulating the p53 Tumor Suppressor Network at PML Biomolecular Condensates. Cancers (Basel) 2022; 14:4549. [PMID: 36230470 PMCID: PMC9558958 DOI: 10.3390/cancers14194549] [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] [Subscribe] [Scholar Register] [Received: 07/27/2022] [Revised: 09/13/2022] [Accepted: 09/16/2022] [Indexed: 11/16/2022] Open
Abstract
By forming specific functional entities, nuclear biomolecular condensates play an important function in guiding biological processes. PML biomolecular condensates, also known as PML nuclear bodies (NBs), are macro-molecular sub-nuclear organelles involved in central biological processes, including anti-viral response and cell fate control upon genotoxic stress. PML condensate formation is stimulated upon cellular stress, and relies on protein-protein interactions establishing a PML protein meshwork capable of recruiting the tumor suppressor p53, along with numerous modifiers of p53, thus balancing p53 posttranslational modifications and activity. This stress-regulated process appears to be controlled by liquid-liquid phase separation (LLPS), which may facilitate regulated protein-unmixing of p53 and its regulators into PML nuclear condensates. In this review, we summarize and discuss the molecular mechanisms underlying PML nuclear condensate formation, and how these impact the biological function of p53 in driving the cell death and senescence responses. In addition, by using an in silico approach, we identify 299 proteins which share PML and p53 as binding partners, thus representing novel candidate proteins controlling p53 function and cell fate decision-making at the level of PML nuclear biocondensates.
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Affiliation(s)
| | - Thomas G. Hofmann
- Institute of Toxicology, University Medical Center Mainz, Johannes Gutenberg University, 55131 Mainz, Germany
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16
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The Next Frontier: Translational Development of Ubiquitination, SUMOylation, and NEDDylation in Cancer. Int J Mol Sci 2022; 23:ijms23073480. [PMID: 35408841 PMCID: PMC8999128 DOI: 10.3390/ijms23073480] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2022] [Revised: 03/17/2022] [Accepted: 03/21/2022] [Indexed: 01/01/2023] Open
Abstract
Post-translational modifications of proteins ensure optimized cellular processes, including proteostasis, regulated signaling, cell survival, and stress adaptation to maintain a balanced homeostatic state. Abnormal post-translational modifications are associated with cellular dysfunction and the occurrence of life-threatening diseases, such as cancer and neurodegenerative diseases. Therefore, some of the frequently seen protein modifications have been used as disease markers, while others are targeted for developing specific therapies. The ubiquitin and ubiquitin-like post-translational modifiers, namely, small ubiquitin-like modifier (SUMO) and neuronal precursor cell-expressed developmentally down-regulated protein 8 (NEDD8), share several features, such as protein structures, enzymatic cascades mediating the conjugation process, and targeted amino acid residues. Alterations in the regulatory mechanisms lead to aberrations in biological processes during tumorigenesis, including the regulation of tumor metabolism, immunological modulation of the tumor microenvironment, and cancer stem cell stemness, besides many more. Novel insights into ubiquitin and ubiquitin-like pathways involved in cancer biology reveal a potential interplay between ubiquitination, SUMOylation, and NEDDylation. This review outlines the current understandings of the regulatory mechanisms and assay capabilities of ubiquitination, SUMOylation, and NEDDylation. It will further highlight the role of ubiquitination, SUMOylation, and NEDDylation in tumorigenesis.
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17
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Hornofova T, Pokorna B, Hubackova SS, Uvizl A, Kosla J, Bartek J, Hodny Z, Vasicova P. Phospho-SIM and exon8b of PML protein regulate formation of doxorubicin-induced rDNA-PML compartment. DNA Repair (Amst) 2022; 114:103319. [DOI: 10.1016/j.dnarep.2022.103319] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2021] [Revised: 02/25/2022] [Accepted: 03/10/2022] [Indexed: 12/18/2022]
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18
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Sumoylation in Physiology, Pathology and Therapy. Cells 2022; 11:cells11050814. [PMID: 35269436 PMCID: PMC8909597 DOI: 10.3390/cells11050814] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2022] [Revised: 02/22/2022] [Accepted: 02/23/2022] [Indexed: 02/04/2023] Open
Abstract
Sumoylation is an essential post-translational modification that has evolved to regulate intricate networks within emerging complexities of eukaryotic cells. Thousands of target substrates are modified by SUMO peptides, leading to changes in protein function, stability or localization, often by modulating interactions. At the cellular level, sumoylation functions as a key regulator of transcription, nuclear integrity, proliferation, senescence, lineage commitment and stemness. A growing number of prokaryotic and viral proteins are also emerging as prime sumoylation targets, highlighting the role of this modification during infection and in immune processes. Sumoylation also oversees epigenetic processes. Accordingly, at the physiological level, it acts as a crucial regulator of development. Yet, perhaps the most prominent function of sumoylation, from mammals to plants, is its role in orchestrating organismal responses to environmental stresses ranging from hypoxia to nutrient stress. Consequently, a growing list of pathological conditions, including cancer and neurodegeneration, have now been unambiguously associated with either aberrant sumoylation of specific proteins and/or dysregulated global cellular sumoylation. Therapeutic enforcement of sumoylation can also accomplish remarkable clinical responses in various diseases, notably acute promyelocytic leukemia (APL). In this review, we will discuss how this modification is emerging as a novel drug target, highlighting from the perspective of translational medicine, its potential and limitations.
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19
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Uggè M, Simoni M, Fracassi C, Bernardi R. PML isoforms: a molecular basis for PML pleiotropic functions. Trends Biochem Sci 2022; 47:609-619. [DOI: 10.1016/j.tibs.2022.02.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Revised: 02/04/2022] [Accepted: 02/04/2022] [Indexed: 10/19/2022]
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20
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Kung CP, Weber JD. It’s Getting Complicated—A Fresh Look at p53-MDM2-ARF Triangle in Tumorigenesis and Cancer Therapy. Front Cell Dev Biol 2022; 10:818744. [PMID: 35155432 PMCID: PMC8833255 DOI: 10.3389/fcell.2022.818744] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2021] [Accepted: 01/07/2022] [Indexed: 01/31/2023] Open
Abstract
Anti-tumorigenic mechanisms mediated by the tumor suppressor p53, upon oncogenic stresses, are our bodies’ greatest weapons to battle against cancer onset and development. Consequently, factors that possess significant p53-regulating activities have been subjects of serious interest from the cancer research community. Among them, MDM2 and ARF are considered the most influential p53 regulators due to their abilities to inhibit and activate p53 functions, respectively. MDM2 inhibits p53 by promoting ubiquitination and proteasome-mediated degradation of p53, while ARF activates p53 by physically interacting with MDM2 to block its access to p53. This conventional understanding of p53-MDM2-ARF functional triangle have guided the direction of p53 research, as well as the development of p53-based therapeutic strategies for the last 30 years. Our increasing knowledge of this triangle during this time, especially through identification of p53-independent functions of MDM2 and ARF, have uncovered many under-appreciated molecular mechanisms connecting these three proteins. Through recognizing both antagonizing and synergizing relationships among them, our consideration for harnessing these relationships to develop effective cancer therapies needs an update accordingly. In this review, we will re-visit the conventional wisdom regarding p53-MDM2-ARF tumor-regulating mechanisms, highlight impactful studies contributing to the modern look of their relationships, and summarize ongoing efforts to target this pathway for effective cancer treatments. A refreshed appreciation of p53-MDM2-ARF network can bring innovative approaches to develop new generations of genetically-informed and clinically-effective cancer therapies.
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Affiliation(s)
- Che-Pei Kung
- ICCE Institute, St. Louis, MO, United States
- Division of Molecular Oncology, Department of Medicine, St. Louis, MO, United States
- *Correspondence: Che-Pei Kung, ; Jason D. Weber,
| | - Jason D. Weber
- ICCE Institute, St. Louis, MO, United States
- Division of Molecular Oncology, Department of Medicine, St. Louis, MO, United States
- Alvin J. Siteman Cancer Center, Washington University School of Medicine, St. Louis, MO, United States
- *Correspondence: Che-Pei Kung, ; Jason D. Weber,
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21
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Dagher T, Maslah N, Edmond V, Cassinat B, Vainchenker W, Giraudier S, Pasquier F, Verger E, Niwa-Kawakita M, Lallemand-Breitenbach V, Plo I, Kiladjian JJ, Villeval JL, de Thé H. JAK2V617F myeloproliferative neoplasm eradication by a novel interferon/arsenic therapy involves PML. J Exp Med 2021; 218:211476. [PMID: 33075130 PMCID: PMC7579737 DOI: 10.1084/jem.20201268] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2020] [Revised: 07/31/2020] [Accepted: 09/09/2020] [Indexed: 12/22/2022] Open
Abstract
Interferon α (IFNα) is used to treat JAK2V617F-driven myeloproliferative neoplasms (MPNs) but rarely clears the disease. We investigated the IFNα mechanism of action focusing on PML, an interferon target and key senescence gene whose targeting by arsenic trioxide (ATO) drives eradication of acute promyelocytic leukemia. ATO sharply potentiated IFNα-induced growth suppression of JAK2V617F patient or mouse hematopoietic progenitors, which required PML and was associated with features of senescence. In a mouse MPN model, combining ATO with IFNα enhanced and accelerated responses, eradicating MPN in most mice by targeting disease-initiating cells. These results predict potent clinical efficacy of the IFNα+ATO combination in patients and identify PML as a major effector of therapy, even in malignancies with an intact PML gene.
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Affiliation(s)
- Tracy Dagher
- Institut National de la Santé et de la Recherche Médicale (INSERM) U1287, Gustave Roussy, Villejuif, France.,Université Paris-Saclay, Gustave Roussy, Villejuif, France.,Gustave Roussy, Villejuif, France.,Laboratoire d'Excellence GR-Ex, Paris, France
| | - Nabih Maslah
- Université de Paris, INSERM UMR-S1131, Institut de Recherche Saint-Louis (IRSL), Hôpital Saint-Louis, Paris, France.,Service de Biologie Cellulaire, Assistance Publique Hôpitaux de Paris (APHP), Hôpital Saint-Louis, Paris, France
| | - Valérie Edmond
- Institut National de la Santé et de la Recherche Médicale (INSERM) U1287, Gustave Roussy, Villejuif, France.,Université Paris-Saclay, Gustave Roussy, Villejuif, France.,Gustave Roussy, Villejuif, France.,Laboratoire d'Excellence GR-Ex, Paris, France
| | - Bruno Cassinat
- Laboratoire d'Excellence GR-Ex, Paris, France.,Université de Paris, INSERM UMR-S1131, Institut de Recherche Saint-Louis (IRSL), Hôpital Saint-Louis, Paris, France.,Service de Biologie Cellulaire, Assistance Publique Hôpitaux de Paris (APHP), Hôpital Saint-Louis, Paris, France
| | - William Vainchenker
- Institut National de la Santé et de la Recherche Médicale (INSERM) U1287, Gustave Roussy, Villejuif, France.,Université Paris-Saclay, Gustave Roussy, Villejuif, France.,Gustave Roussy, Villejuif, France.,Laboratoire d'Excellence GR-Ex, Paris, France
| | - Stéphane Giraudier
- Université de Paris, INSERM UMR-S1131, Institut de Recherche Saint-Louis (IRSL), Hôpital Saint-Louis, Paris, France.,Service de Biologie Cellulaire, Assistance Publique Hôpitaux de Paris (APHP), Hôpital Saint-Louis, Paris, France
| | - Florence Pasquier
- Institut National de la Santé et de la Recherche Médicale (INSERM) U1287, Gustave Roussy, Villejuif, France.,Université Paris-Saclay, Gustave Roussy, Villejuif, France.,Département d'Hématologie, Gustave Roussy, Villejuif, France
| | - Emmanuelle Verger
- Université de Paris, INSERM UMR-S1131, Institut de Recherche Saint-Louis (IRSL), Hôpital Saint-Louis, Paris, France.,Service de Biologie Cellulaire, Assistance Publique Hôpitaux de Paris (APHP), Hôpital Saint-Louis, Paris, France
| | - Michiko Niwa-Kawakita
- INSERM U944, Centre National de la Recherche Scientifique (CNRS) UMR7212, IRSL, Hôpital Saint-Louis, Paris, France.,Collège de France, Paris Sciences et Lettres Research University, INSERM U1050, CNRS UMR7241, Paris, France
| | - Valérie Lallemand-Breitenbach
- INSERM U944, Centre National de la Recherche Scientifique (CNRS) UMR7212, IRSL, Hôpital Saint-Louis, Paris, France.,Collège de France, Paris Sciences et Lettres Research University, INSERM U1050, CNRS UMR7241, Paris, France
| | - Isabelle Plo
- Institut National de la Santé et de la Recherche Médicale (INSERM) U1287, Gustave Roussy, Villejuif, France.,Université Paris-Saclay, Gustave Roussy, Villejuif, France.,Gustave Roussy, Villejuif, France.,Laboratoire d'Excellence GR-Ex, Paris, France
| | - Jean-Jacques Kiladjian
- Laboratoire d'Excellence GR-Ex, Paris, France.,Université de Paris, INSERM UMR-S1131, Institut de Recherche Saint-Louis (IRSL), Hôpital Saint-Louis, Paris, France.,Centre d'Investigations Cliniques, APHP, Hôpital Saint-Louis, Paris, France
| | - Jean-Luc Villeval
- Institut National de la Santé et de la Recherche Médicale (INSERM) U1287, Gustave Roussy, Villejuif, France.,Université Paris-Saclay, Gustave Roussy, Villejuif, France.,Gustave Roussy, Villejuif, France.,Laboratoire d'Excellence GR-Ex, Paris, France
| | - Hugues de Thé
- INSERM U944, Centre National de la Recherche Scientifique (CNRS) UMR7212, IRSL, Hôpital Saint-Louis, Paris, France.,Collège de France, Paris Sciences et Lettres Research University, INSERM U1050, CNRS UMR7241, Paris, France.,Service de Biochimie, APHP, Hôpital Saint-Louis, Paris, France
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22
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Wang L, Qian J, Yang Y, Gu C. Novel insights into the impact of the SUMOylation pathway in hematological malignancies (Review). Int J Oncol 2021; 59:73. [PMID: 34368858 PMCID: PMC8360622 DOI: 10.3892/ijo.2021.5253] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2021] [Accepted: 07/26/2021] [Indexed: 12/17/2022] Open
Abstract
The small ubiquitin-like modifier (SUMO) system serves an important role in the regulation of protein stability and function. SUMOylation sustains the homeostatic equilibrium of protein function in normal tissues and numerous types of tumor. Accumulating evidence has revealed that SUMO enzymes participate in carcinogenesis via a series of complex cellular or extracellular processes. The present review outlines the physiological characteristics of the SUMOylation pathway and provides examples of SUMOylation participation in different cancer types, including in hematological malignancies (leukemia, lymphoma and myeloma). It has been indicated that the SUMO pathway may influence chromosomal instability, cell cycle progression, apoptosis and chemical drug resistance. The present review also discussed the possible relationship between SUMOylation and carcinogenic mechanisms, and evaluated their potential as biomarkers and therapeutic targets in the diagnosis and treatment of hematological malignancies. Developing and investigating inhibitors of SUMO conjugation in the future may offer promising potential as novel therapeutic strategies.
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Affiliation(s)
- Ling Wang
- Nanjing Hospital of Chinese Medicine Affiliated to Nanjing University of Chinese Medicine, Nanjing, Jiangsu 210022, P.R. China
| | - Jinjun Qian
- School of Medicine and Holistic Integrative Medicine, Nanjing University of Chinese Medicine, Nanjing, Jiangsu 210023, P.R. China
| | - Ye Yang
- Nanjing Hospital of Chinese Medicine Affiliated to Nanjing University of Chinese Medicine, Nanjing, Jiangsu 210022, P.R. China
| | - Chunyan Gu
- Nanjing Hospital of Chinese Medicine Affiliated to Nanjing University of Chinese Medicine, Nanjing, Jiangsu 210022, P.R. China
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23
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Gu Z, Chen X, Yang W, Qi Y, Yu H, Wang X, Gong Y, Chen Q, Zhong B, Dai L, Qi S, Zhang Z, Zhang H, Hu H. The SUMOylation of TAB2 mediated by TRIM60 inhibits MAPK/NF-κB activation and the innate immune response. Cell Mol Immunol 2021; 18:1981-1994. [PMID: 33184450 PMCID: PMC8322076 DOI: 10.1038/s41423-020-00564-w] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2020] [Accepted: 09/27/2020] [Indexed: 02/05/2023] Open
Abstract
Activation of the TAK1 signalosome is crucial for mediating the innate immune response to pathogen invasion and is regulated by multiple layers of posttranslational modifications, including ubiquitination, SUMOylation, and phosphorylation; however, the underlying molecular mechanism is not fully understood. In this study, TRIM60 negatively regulated the formation and activation of the TAK1 signalosome. Deficiency of TRIM60 in macrophages led to enhanced MAPK and NF-κB activation, accompanied by elevated levels of proinflammatory cytokines but not IFN-I. Immunoprecipitation-mass spectrometry assays identified TAB2 as the target of TRIM60 for SUMOylation rather than ubiquitination, resulting in impaired formation of the TRAF6/TAB2/TAK1 complex and downstream MAPK and NF-κB pathways. The SUMOylation sites of TAB2 mediated by TRIM60 were identified as K329 and K562; substitution of these lysines with arginines abolished the SUMOylation of TAB2. In vivo experiments showed that TRIM60-deficient mice showed an elevated immune response to LPS-induced septic shock and L. monocytogenes infection. Our data reveal that SUMOylation of TAB2 mediated by TRIM60 is a novel mechanism for regulating the innate immune response, potentially paving the way for a new strategy to control antibacterial immune responses.
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Affiliation(s)
- Zhiwen Gu
- Department of Rheumatology and Immunology, National Clinical Research Center for Geriatrics, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, and Collaborative Innovation Center of Biotherapy, Chengdu, 610041, China
| | - Xueying Chen
- Department of Rheumatology and Immunology, National Clinical Research Center for Geriatrics, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, and Collaborative Innovation Center of Biotherapy, Chengdu, 610041, China
| | - Wenyong Yang
- Department of Rheumatology and Immunology, National Clinical Research Center for Geriatrics, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, and Collaborative Innovation Center of Biotherapy, Chengdu, 610041, China
| | - Yu Qi
- Department of Rheumatology and Immunology, National Clinical Research Center for Geriatrics, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, and Collaborative Innovation Center of Biotherapy, Chengdu, 610041, China
| | - Hui Yu
- Department of Rheumatology and Immunology, National Clinical Research Center for Geriatrics, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, and Collaborative Innovation Center of Biotherapy, Chengdu, 610041, China
| | - Xiaomeng Wang
- Department of Virology, College of Life Sciences, Department of Immunology, Medical Research Institute, Wuhan University, Wuhan, 430072, China
| | - Yanqiu Gong
- Department of General Practice and Lab of PTM, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, and Collaborative Innovation Center of Biotherapy, Chengdu, 610041, China
| | - Qianqian Chen
- Department of Urology, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, and Collaborative Innovation Center of Biotherapy, Chengdu, 610041, China
| | - Bo Zhong
- Department of Virology, College of Life Sciences, Department of Immunology, Medical Research Institute, Wuhan University, Wuhan, 430072, China
| | - Lunzhi Dai
- Department of General Practice and Lab of PTM, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, and Collaborative Innovation Center of Biotherapy, Chengdu, 610041, China
| | - Shiqian Qi
- Department of Urology, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, and Collaborative Innovation Center of Biotherapy, Chengdu, 610041, China
| | - Zhiqiang Zhang
- Immunobiology and Transplant Science Center, Houston Methodist Hospital, Houston, TX, USA, 77030.
| | - Huiyuan Zhang
- Department of Rheumatology and Immunology, National Clinical Research Center for Geriatrics, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, and Collaborative Innovation Center of Biotherapy, Chengdu, 610041, China.
| | - Hongbo Hu
- Department of Rheumatology and Immunology, National Clinical Research Center for Geriatrics, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, and Collaborative Innovation Center of Biotherapy, Chengdu, 610041, China.
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24
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Abstract
SUMOylation dynamically conjugates SUMO molecules to the lysine residue of a substrate protein, which depends on the physiological state of the cell and the attached SUMO isoforms. A prominent role of SUMOylation in molecular pathways is to govern the cellular death process. Herein, we summarize the association between SUMOylation modification events and four types of cellular death processes: apoptosis, autophagy, senescence and pyroptosis. SUMOylation positively or negatively regulates a certain cellular death pattern depending on specific conditions including the attached SUMO isoforms, disease types, substrate proteins and cell context. Moreover, we also discuss the possible role of SUMOylation in ferroptosis and propose a potential role of the SUMOylated GPX4 in the regulation of ferroptosis. Mapping the exact SUMOylation network with cellular death contributes to develop novel SUMOylation-targeting disease therapeutic strategies.
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Affiliation(s)
- Zenghua Sheng
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, and Collaborative Innovation Center for Biotherapy, No.17, 3rd Section of People's South Road, Chengdu, 610041, People's Republic of China
| | - Jing Zhu
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, and Collaborative Innovation Center for Biotherapy, No.17, 3rd Section of People's South Road, Chengdu, 610041, People's Republic of China
| | - Ya-Nan Deng
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, and Collaborative Innovation Center for Biotherapy, No.17, 3rd Section of People's South Road, Chengdu, 610041, People's Republic of China
| | - Shan Gao
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, and Collaborative Innovation Center for Biotherapy, No.17, 3rd Section of People's South Road, Chengdu, 610041, People's Republic of China
| | - Shufang Liang
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, and Collaborative Innovation Center for Biotherapy, No.17, 3rd Section of People's South Road, Chengdu, 610041, People's Republic of China
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25
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Tampakaki M, Oraiopoulou ME, Tzamali E, Tzedakis G, Makatounakis T, Zacharakis G, Papamatheakis J, Sakkalis V. PML Differentially Regulates Growth and Invasion in Brain Cancer. Int J Mol Sci 2021; 22:ijms22126289. [PMID: 34208139 PMCID: PMC8230868 DOI: 10.3390/ijms22126289] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2021] [Revised: 06/08/2021] [Accepted: 06/09/2021] [Indexed: 12/20/2022] Open
Abstract
Glioblastoma is the most malignant brain tumor among adults. Despite multimodality treatment, it remains incurable, mainly because of its extensive heterogeneity and infiltration in the brain parenchyma. Recent evidence indicates dysregulation of the expression of the Promyelocytic Leukemia Protein (PML) in primary Glioblastoma samples. PML is implicated in various ways in cancer biology. In the brain, PML participates in the physiological migration of the neural progenitor cells, which have been hypothesized to serve as the cell of origin of Glioblastoma. The role of PML in Glioblastoma progression has recently gained attention due to its controversial effects in overall Glioblastoma evolution. In this work, we studied the role of PML in Glioblastoma pathophysiology using the U87MG cell line. We genetically modified the cells to conditionally overexpress the PML isoform IV and we focused on its dual role in tumor growth and invasive capacity. Furthermore, we targeted a PML action mediator, the Enhancer of Zeste Homolog 2 (EZH2), via the inhibitory drug DZNeP. We present a combined in vitro–in silico approach, that utilizes both 2D and 3D cultures and cancer-predictive computational algorithms, in order to differentiate and interpret the observed biological results. Our overall findings indicate that PML regulates growth and invasion through distinct cellular mechanisms. In particular, PML overexpression suppresses cell proliferation, while it maintains the invasive capacity of the U87MG Glioblastoma cells and, upon inhibition of the PML-EZH2 pathway, the invasion is drastically eliminated. Our in silico simulations suggest that the underlying mechanism of PML-driven Glioblastoma physiology regulates invasion by differential modulation of the cell-to-cell adhesive and diffusive capacity of the cells. Elucidating further the role of PML in Glioblastoma biology could set PML as a potential molecular biomarker of the tumor progression and its mediated pathway as a therapeutic target, aiming at inhibiting cell growth and potentially clonal evolution regarding their proliferative and/or invasive phenotype within the heterogeneous tumor mass.
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Affiliation(s)
- Maria Tampakaki
- Institute of Computer Science, Foundation for Research and Technology-Hellas, 70013 Heraklion, Greece; (M.T.); (M.-E.O.); (E.T.); (G.T.)
- School of Medicine, University of Crete, 71003 Heraklion, Greece
- Institute of Electronic Structure and Laser, Foundation for Research and Technology-Hellas, 70013 Heraklion, Greece
| | - Mariam-Eleni Oraiopoulou
- Institute of Computer Science, Foundation for Research and Technology-Hellas, 70013 Heraklion, Greece; (M.T.); (M.-E.O.); (E.T.); (G.T.)
| | - Eleftheria Tzamali
- Institute of Computer Science, Foundation for Research and Technology-Hellas, 70013 Heraklion, Greece; (M.T.); (M.-E.O.); (E.T.); (G.T.)
| | - Giorgos Tzedakis
- Institute of Computer Science, Foundation for Research and Technology-Hellas, 70013 Heraklion, Greece; (M.T.); (M.-E.O.); (E.T.); (G.T.)
| | - Takis Makatounakis
- Institute of Molecular Biology and Biotechnology, Foundation for Research and Technology-Hellas, 70013 Heraklion, Greece;
| | - Giannis Zacharakis
- Institute of Electronic Structure and Laser, Foundation for Research and Technology-Hellas, 70013 Heraklion, Greece
- Correspondence: (G.Z.); (J.P.); (V.S.)
| | - Joseph Papamatheakis
- Institute of Molecular Biology and Biotechnology, Foundation for Research and Technology-Hellas, 70013 Heraklion, Greece;
- Department of Biology, University of Crete, 70013 Heraklion, Greece
- Correspondence: (G.Z.); (J.P.); (V.S.)
| | - Vangelis Sakkalis
- Institute of Computer Science, Foundation for Research and Technology-Hellas, 70013 Heraklion, Greece; (M.T.); (M.-E.O.); (E.T.); (G.T.)
- Correspondence: (G.Z.); (J.P.); (V.S.)
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26
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Wu L, Li O, Zhu F, Wang X, Chen P, Cai G, Chen X, Hong Q. Krϋppel-like factor 15 suppresses renal glomerular mesangial cell proliferation via enhancing P53 SUMO1 conjugation. J Cell Mol Med 2021; 25:5691-5706. [PMID: 33949114 PMCID: PMC8184688 DOI: 10.1111/jcmm.16583] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2020] [Revised: 04/08/2021] [Accepted: 04/10/2021] [Indexed: 12/12/2022] Open
Abstract
Mesangial cell (MC) proliferation is a key pathological feature in a number of common human renal diseases, including mesangial proliferative nephritis and diabetic nephropathies. Knowledge of MC responses to pathological stimuli is crucial to the understanding of these disease processes. We previously determined that Krϋppel‐like factor 15 (KLF15), a kidney‐enriched zinc‐finger transcription factor, was required for inhibition of MC proliferation. In the present study, we investigated the direct target gene and the underlying mechanism by which KLF15 regulated mesangial proliferation. First, we screened small ubiquitin‐related modifier 1 (SUMO1) as the direct transcriptional target of KLF15 and validated this finding with ChIP‐PCR and luciferase assays. Furthermore, we demonstrated that overexpressing KLF15 or SUMO1 enhanced the stability of P53, which blocked the cell cycle of human renal MCs (HRMCs) and therefore abolished cell proliferation. Conversely, knockdown of SUMO1 in HRMCs, even those overexpressed with KLF15, could not inhibit HRMC proliferation rates and increase SUMOylation of P53. Finally, the results showed that the levels of SUMOylated P53 in the kidney cortices of anti‐Thy 1 model rats were decreased during proliferation periods. These findings reveal the critical mechanism by which KLF15 targets SUMO1 to mediate the proliferation of MCs.
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Affiliation(s)
- Lingling Wu
- Department of NephrologyFirst Medical Center of Chinese PLA General HospitalNephrology Institute of the Chinese People's Liberation ArmyState Key Laboratory of Kidney DiseasesNational Clinical Research Center for Kidney DiseasesBeijing Key Laboratory of Kidney DiseasesChinese PLA Institute of NephrologyChinese PLA General HospitalBeijingChina
| | - Ou Li
- Department of NephrologyFirst Medical Center of Chinese PLA General HospitalNephrology Institute of the Chinese People's Liberation ArmyState Key Laboratory of Kidney DiseasesNational Clinical Research Center for Kidney DiseasesBeijing Key Laboratory of Kidney DiseasesChinese PLA Institute of NephrologyChinese PLA General HospitalBeijingChina
| | - Fengge Zhu
- Department of NephrologyFirst Medical Center of Chinese PLA General HospitalNephrology Institute of the Chinese People's Liberation ArmyState Key Laboratory of Kidney DiseasesNational Clinical Research Center for Kidney DiseasesBeijing Key Laboratory of Kidney DiseasesChinese PLA Institute of NephrologyChinese PLA General HospitalBeijingChina
| | - Xu Wang
- Department of NephrologyFirst Medical Center of Chinese PLA General HospitalNephrology Institute of the Chinese People's Liberation ArmyState Key Laboratory of Kidney DiseasesNational Clinical Research Center for Kidney DiseasesBeijing Key Laboratory of Kidney DiseasesChinese PLA Institute of NephrologyChinese PLA General HospitalBeijingChina
| | - Pu Chen
- Department of NephrologyFirst Medical Center of Chinese PLA General HospitalNephrology Institute of the Chinese People's Liberation ArmyState Key Laboratory of Kidney DiseasesNational Clinical Research Center for Kidney DiseasesBeijing Key Laboratory of Kidney DiseasesChinese PLA Institute of NephrologyChinese PLA General HospitalBeijingChina
| | - Guangyan Cai
- Department of NephrologyFirst Medical Center of Chinese PLA General HospitalNephrology Institute of the Chinese People's Liberation ArmyState Key Laboratory of Kidney DiseasesNational Clinical Research Center for Kidney DiseasesBeijing Key Laboratory of Kidney DiseasesChinese PLA Institute of NephrologyChinese PLA General HospitalBeijingChina
| | - Xiangmei Chen
- Department of NephrologyFirst Medical Center of Chinese PLA General HospitalNephrology Institute of the Chinese People's Liberation ArmyState Key Laboratory of Kidney DiseasesNational Clinical Research Center for Kidney DiseasesBeijing Key Laboratory of Kidney DiseasesChinese PLA Institute of NephrologyChinese PLA General HospitalBeijingChina
| | - Quan Hong
- Department of NephrologyFirst Medical Center of Chinese PLA General HospitalNephrology Institute of the Chinese People's Liberation ArmyState Key Laboratory of Kidney DiseasesNational Clinical Research Center for Kidney DiseasesBeijing Key Laboratory of Kidney DiseasesChinese PLA Institute of NephrologyChinese PLA General HospitalBeijingChina
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27
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Endogenous Cyclin D1 Promotes the Rate of Onset and Magnitude of Mitogenic Signaling via Akt1 Ser473 Phosphorylation. Cell Rep 2021; 32:108151. [PMID: 32937140 PMCID: PMC7707112 DOI: 10.1016/j.celrep.2020.108151] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2020] [Revised: 06/21/2020] [Accepted: 08/25/2020] [Indexed: 01/07/2023] Open
Abstract
Cyclin D1 encodes the regulatory subunit of a holoenzyme that phosphorylates RB and functions as a collaborative nuclear oncogene. The serine threonine kinase Akt plays a pivotal role in the control of cellular metabolism, survival, and mitogenic signaling. Herein, Akt1-mediated phosphorylation of downstream substrates in the mammary gland is reduced by cyclin D1 genetic deletion and is induced by mammary-gland-targeted cyclin D1 overexpression. Cyclin D1 is associated with Akt1 and augments the rate of onset and maximal cellular Akt1 activity induced by mitogens. Cyclin D1 is identified in a cytoplasmic-membrane-associated pool, and cytoplasmic-membrane-localized cyclin D1—but not nuclear-localized cyclin D1—recapitulates Akt1 transcriptional function. These studies identify a novel extranuclear function of cyclin D1 to enhance proliferative functions via augmenting Akt1 phosphorylation at Ser473. Chen et al. show that the rate of onset and maximal cellular Akt1 activity induced by mitogens was augmented by cyclin D1. Cyclin D1 bound and phosphorylated Akt1 at Ser473. These studies identify a novel extranuclear function of cyclin D1 to enhance proliferative functions via augmenting Akt1 phosphorylation at Ser473.
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28
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Liu S, Wang L, Jiang D, Wei W, Nasir MF, Khan MS, Yousafi Q, Liu X, Fu X, Li X, Li J. Sumoylation as an Emerging Target in Therapeutics against Cancer. Curr Pharm Des 2021; 26:4764-4776. [PMID: 32568016 DOI: 10.2174/1381612826666200622124134] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2019] [Accepted: 04/13/2020] [Indexed: 12/21/2022]
Abstract
Sumoylation is the Post-translational modification gaining most of the research interest recently. Sumoylation is involved in various crucial functions of the cell such as regulation of cell cycle, DNA damage repair, apoptosis, etc. Oncology is advancing in radiotherapy, targeted chemotherapy, various forms of immunotherapy and targeted gene therapy. Researches are being conducted to prove its connotation with a variety of cancers and inhibitors are being developed to obstruct the fatal effect caused by misbalance of the SUMO-catalytic cycle. It has been shown that up-regulation of certain enzymes of Sumoylation correlates with cancer incidence in most of the cases. However, in some cases, down-regulation also associates with cancer invasion such as underexpression of UBC9 in initial stage breast cancer. This can aid in future study, treatment, and diagnosis of a variety of cancers including breast cancer, prostate cancer, lung adenocarcinoma, melanoma, multiple myeloma, etc. Various mechanistic assays are being developed and used to identify potential inhibitors against the dysregulated proteins of Sumoylation. This review summarizes the normal roles of the enzymes involved in the SUMOcatalytic cycle, their misbalanced regulation leading to tumorigenesis and nearly all the potent inhibitors identified to date, while after detailed studied it was observed that ML-792 could be a promising inhibitor in treating cancers by inhibiting Sumoylation enzymes.
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Affiliation(s)
- Sitong Liu
- The Key Laboratory of Molecular Epigenetics of MOE, Institute of Genetics and Cytology, Northeast Normal University, Changchun 130024, Jilin, China,College of Life Sciences, Jilin University, Changchun, 130012, China
| | - Lichun Wang
- The Key Laboratory of Molecular Epigenetics of MOE, Institute of Genetics and Cytology, Northeast Normal University, Changchun 130024, Jilin, China
| | - Dongjun Jiang
- The Key Laboratory of Molecular Epigenetics of MOE, Institute of Genetics and Cytology, Northeast Normal University, Changchun 130024, Jilin, China
| | - Wei Wei
- The Key Laboratory of Molecular Epigenetics of MOE, Institute of Genetics and Cytology, Northeast Normal University, Changchun 130024, Jilin, China,Dental Hospital, Jilin University, Changchun 130021, China
| | - Mushyeda Fatima Nasir
- Department of Biosciences, Faculty of Sciences, COMSATS University Islamabad, Sahiwal, Pakistan
| | - Muhammad Saad Khan
- Department of Biosciences, Faculty of Sciences, COMSATS University Islamabad, Sahiwal, Pakistan
| | - Qudsia Yousafi
- Department of Biosciences, Faculty of Sciences, COMSATS University Islamabad, Sahiwal, Pakistan
| | - Xintong Liu
- Dental Hospital, Jilin University, Changchun 130021, China
| | - Xueqi Fu
- College of Life Sciences, Jilin University, Changchun, 130012, China
| | - Xiaomeng Li
- The Key Laboratory of Molecular Epigenetics of MOE, Institute of Genetics and Cytology, Northeast Normal University, Changchun 130024, Jilin, China
| | - Jiang Li
- Stomatological Hospital of Guangzhou Medical University, Guangzhou, Guangdong, 510150, China,Dental Hospital, Jilin University, Changchun 130021, China
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29
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Larrick JW, Larrick JW, Mendelsohn AR. SUMO Wrestles with Mitophagy to Extend Lifespan. Rejuvenation Res 2020; 23:527-532. [PMID: 33256568 DOI: 10.1089/rej.2020.2406] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
SUMOylation, a conserved protein post-translational modification that performs multiple functions including regulation of nuclear transport and transcription, is implicated in numerous biological processes including aging. RNAi knockdown of the sole Small Ubiquitin-like MOdifier (SUMO) gene, smo-1, in Caenorhabditis elegans shortened lifespan, whereas overexpression in the intestine modestly increased lifespan. Smo-1 is required for mitochondrial fission in a tissue-specific manner. Fission, in turn, is needed for mitophagy to maintain mitochondrial homeostasis during aging. SUMOlyation affects DAuer Formation (DAF)-16, which can be directly SUMOylated, and SKN-1, the homolog of mammalian Nrf2. These regulators play key roles in maintaining mitochondrial homeostasis. However, given the modest effect of overexpressing smo-1 on lifespan enhancement and potential interference with other genes that can promote increased lifespan, caution is advised in the translation of this study based on C. elegans. Although inhibitors of SUMOlyation have been developed for cancer and activators also have been identified, broad-acting biochemical pathway modifiers such as SUMO are often suboptimal drug targets and may not be as promising for antiaging applications as they first appear.
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Affiliation(s)
- James W Larrick
- Panorama Research Institute, Sunnyvale, California, USA.,Regenerative Sciences Institute, Sunnyvale, California, USA
| | | | - Andrew R Mendelsohn
- Panorama Research Institute, Sunnyvale, California, USA.,Regenerative Sciences Institute, Sunnyvale, California, USA
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30
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Princz A, Pelisch F, Tavernarakis N. SUMO promotes longevity and maintains mitochondrial homeostasis during ageing in Caenorhabditis elegans. Sci Rep 2020; 10:15513. [PMID: 32968203 PMCID: PMC7511317 DOI: 10.1038/s41598-020-72637-9] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2020] [Accepted: 08/24/2020] [Indexed: 12/12/2022] Open
Abstract
The insulin/IGF signalling pathway impacts lifespan across distant taxa, by controlling the activity of nodal transcription factors. In the nematode Caenorhabditis elegans, the transcription regulators DAF-16/FOXO and SKN-1/Nrf function to promote longevity under conditions of low insulin/IGF signalling and stress. The activity and subcellular localization of both DAF-16 and SKN-1 is further modulated by specific posttranslational modifications, such as phosphorylation and ubiquitination. Here, we show that ageing elicits a marked increase of SUMO levels in C. elegans. In turn, SUMO fine-tunes DAF-16 and SKN-1 activity in specific C. elegans somatic tissues, to enhance stress resistance. SUMOylation of DAF-16 modulates mitochondrial homeostasis by interfering with mitochondrial dynamics and mitophagy. Our findings reveal that SUMO is an important determinant of lifespan, and provide novel insight, relevant to the complexity of the signalling mechanisms that influence gene expression to govern organismal survival in metazoans.
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Affiliation(s)
- Andrea Princz
- Department of Biology, University of Crete, Heraklion, Greece.,Institute of Molecular Biology and Biotechnology, Foundation for Research and Technology-Hellas, Heraklion, Greece
| | - Federico Pelisch
- Centre for Gene Regulation and Expression, Sir James Black Centre, School of Life Sciences, University of Dundee, Dundee, Scotland, UK
| | - Nektarios Tavernarakis
- Institute of Molecular Biology and Biotechnology, Foundation for Research and Technology-Hellas, Heraklion, Greece. .,Department of Basic Sciences, Faculty of Medicine, University of Crete, Heraklion, Greece.
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31
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Chauhan KM, Chen Y, Chen Y, Liu AT, Sun XX, Dai MS. The SUMO-specific protease SENP1 deSUMOylates p53 and regulates its activity. J Cell Biochem 2020; 122:189-197. [PMID: 32786121 DOI: 10.1002/jcb.29838] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2020] [Revised: 07/28/2020] [Accepted: 07/31/2020] [Indexed: 12/28/2022]
Abstract
The stability and activity of the p53 tumor suppressor protein are tightly regulated by various posttranslational modifications, including SUMOylation. p53 can be modified by both SUMO1 and SUMO2, although how SUMOylation regulates p53 activity is still obscure. Whether p53 activity is directly regulated by deSUMOylation is also unclear. Here, we show that SENP1, a SUMO-specific protease implicated in pro-oncogenic roles, is a p53 deSUMOylating enzyme. SENP1 interacts with p53 and deSUMOylates p53 in cells and in vitro. Knockdown of SENP1 markedly induced p53 transactivation activity. We further show that SENP1 depletion synergizes with DNA damage-inducing agent etoposide to induce p53 activation and the expression of p21, leading to synergistic growth inhibition of cancer cells. Our results reveal that SENP1 is a critical p53 deSUMOylating enzyme and a promising therapeutic target in wild-type p53 containing cancer cells.
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Affiliation(s)
- Krishna M Chauhan
- Department of Molecular and Medical Genetics, School of Medicine, Oregon Health & Science University, Portland, Oregon
| | - Yingxiao Chen
- Department of Molecular and Medical Genetics, School of Medicine, Oregon Health & Science University, Portland, Oregon
| | - Yiyi Chen
- Biostatistics Program, School of Public Health, Oregon Health & Science University, Portland, Oregon.,The OHSU Knight Cancer Institute, Oregon Health & Science University, Portland, Oregon
| | - Andrew T Liu
- Department of Molecular and Medical Genetics, School of Medicine, Oregon Health & Science University, Portland, Oregon
| | - Xiao-Xin Sun
- Department of Molecular and Medical Genetics, School of Medicine, Oregon Health & Science University, Portland, Oregon.,The OHSU Knight Cancer Institute, Oregon Health & Science University, Portland, Oregon
| | - Mu-Shui Dai
- Department of Molecular and Medical Genetics, School of Medicine, Oregon Health & Science University, Portland, Oregon.,The OHSU Knight Cancer Institute, Oregon Health & Science University, Portland, Oregon
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32
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Liu J, Zhang C, Wang X, Hu W, Feng Z. Tumor suppressor p53 cross-talks with TRIM family proteins. Genes Dis 2020; 8:463-474. [PMID: 34179310 PMCID: PMC8209353 DOI: 10.1016/j.gendis.2020.07.003] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2020] [Revised: 07/06/2020] [Accepted: 07/07/2020] [Indexed: 12/11/2022] Open
Abstract
p53 is a key tumor suppressor. As a transcription factor, p53 accumulates in cells in response to various stress signals and selectively transcribes its target genes to regulate a wide variety of cellular stress responses to exert its function in tumor suppression. In addition to tumor suppression, p53 is also involved in many other physiological and pathological processes, e.g. anti-infection, immune response, development, reproduction, neurodegeneration and aging. To maintain its proper function, p53 is under tight and delicate regulation through different mechanisms, particularly the posttranslational modifications. The tripartite motif (TRIM) family proteins are a large group of proteins characterized by the RING, B-Box and coiled-coil (RBCC) domains at the N-terminus. TRIM proteins play important roles in regulation of many fundamental biological processes, including cell proliferation and death, DNA repair, transcription, and immune response. Alterations of TRIM proteins have been linked to many diseases including cancer, infectious diseases, developmental disorders, and neurodegeneration. Interestingly, recent studies have revealed that many TRIM proteins are involved in the regulation of p53, and at the same time, many TRIM proteins are also regulated by p53. Here, we review the cross-talk between p53 and TRIM proteins, and its impact upon cellular biological processes as well as cancer and other diseases.
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Affiliation(s)
- Juan Liu
- Department of Radiation Oncology, Rutgers Cancer Institute of New Jersey, Rutgers-State University of New Jersey, 195 Little Albany Street, New Brunswick, NJ 08903, USA
| | - Cen Zhang
- Department of Radiation Oncology, Rutgers Cancer Institute of New Jersey, Rutgers-State University of New Jersey, 195 Little Albany Street, New Brunswick, NJ 08903, USA
| | - Xue Wang
- Department of Radiation Oncology, Rutgers Cancer Institute of New Jersey, Rutgers-State University of New Jersey, 195 Little Albany Street, New Brunswick, NJ 08903, USA
| | - Wenwei Hu
- Department of Radiation Oncology, Rutgers Cancer Institute of New Jersey, Rutgers-State University of New Jersey, 195 Little Albany Street, New Brunswick, NJ 08903, USA
| | - Zhaohui Feng
- Department of Radiation Oncology, Rutgers Cancer Institute of New Jersey, Rutgers-State University of New Jersey, 195 Little Albany Street, New Brunswick, NJ 08903, USA
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Celen AB, Sahin U. Sumoylation on its 25th anniversary: mechanisms, pathology, and emerging concepts. FEBS J 2020; 287:3110-3140. [DOI: 10.1111/febs.15319] [Citation(s) in RCA: 70] [Impact Index Per Article: 17.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2020] [Revised: 03/04/2020] [Accepted: 03/30/2020] [Indexed: 12/26/2022]
Affiliation(s)
- Arda B. Celen
- Department of Molecular Biology and Genetics Center for Life Sciences and Technologies Bogazici University Istanbul Turkey
| | - Umut Sahin
- Department of Molecular Biology and Genetics Center for Life Sciences and Technologies Bogazici University Istanbul Turkey
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34
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Lim J, Choi JH, Park EM, Choi YH. Interaction of promyelocytic leukemia/p53 affects signal transducer and activator of transcription-3 activity in response to oncostatin M. THE KOREAN JOURNAL OF PHYSIOLOGY & PHARMACOLOGY : OFFICIAL JOURNAL OF THE KOREAN PHYSIOLOGICAL SOCIETY AND THE KOREAN SOCIETY OF PHARMACOLOGY 2020; 24:203-212. [PMID: 32392911 PMCID: PMC7193908 DOI: 10.4196/kjpp.2020.24.3.203] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/07/2019] [Revised: 01/22/2020] [Accepted: 02/10/2020] [Indexed: 12/02/2022]
Abstract
Promyelocytic leukemia (PML) gene, through alternative splicing of its C-terminal region, generates several PML isoforms that interact with specific partners and perform distinct functions. The PML protein is a tumor suppressor that plays an important role by interacting with various proteins. Herein, we investigated the effect of the PML isoforms on oncostatin M (OSM)-induced signal transducer and activator of transcription-3 (STAT-3) transcriptional activity. PML influenced OSM-induced STAT-3 activity in a cell type-specific manner, which was dependent on the p53 status of the cells but regardless of PML isoform. Interestingly, overexpression of PML exerted opposite effects on OSM-induced STAT-3 activity in p53 wild-type and mutant cells. Specifically, overexpression of PML in the cell lines bearing wild-type p53 (NIH3T3 and U87-MG cells) decreased OSM-induced STAT-3 transcriptional activity, whereas overexpression of PML increased OSM-induced STAT-3 transcriptional activity in mutant p53-bearing cell lines (HEK293T and U251-MG cells). When wild-type p53 cells were co-transfected with PML-IV and R273H-p53 mutant, OSM-mediated STAT-3 transcriptional activity was significantly enhanced, compared to that of cells which were transfected with PML-IV alone; however, when cells bearing mutant p53 were co-transfected with PML-IV and wild-type p53, OSM-induced STAT-3 transcriptional activity was significantly decreased, compared to that of transfected cells with PML-IV alone. In conclusion, PML acts together with wild-type or mutant p53 and influences OSM-mediated STAT-3 activity in a negative or positive manner, resulting in the aberrant activation of STAT-3 in cancer cells bearing mutant p53 probably might occur through the interaction of mutant p53 with PML.
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Affiliation(s)
- Jiwoo Lim
- Departments of Physiology, Ewha Womans University College of Medicine, Seoul 07804, Korea
| | - Ji Ha Choi
- Departments of Pharmacology, Ewha Womans University College of Medicine, Seoul 07804, Korea
| | - Eun-Mi Park
- Departments of Pharmacology, Ewha Womans University College of Medicine, Seoul 07804, Korea
| | - Youn-Hee Choi
- Departments of Physiology, Ewha Womans University College of Medicine, Seoul 07804, Korea
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35
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Li N, Zhang S, Xiong F, Eizirik DL, Wang CY. SUMOylation, a multifaceted regulatory mechanism in the pancreatic beta cells. Semin Cell Dev Biol 2020; 103:51-58. [PMID: 32331991 DOI: 10.1016/j.semcdb.2020.03.008] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2019] [Revised: 01/03/2020] [Accepted: 03/23/2020] [Indexed: 12/19/2022]
Abstract
SUMOylation is an evolutionarily conserved post-translational modification (PTM) that regulates protein subcellular localization, stability, conformation, transcription and enzymatic activity. Recent studies indicate that SUMOylation plays a key role in insulin gene expression, glucose metabolism and insulin exocytosis under physiological conditions in the pancreatic beta cells. Furthermore, SUMOylation is implicated in beta cell survival and recovery following exposure to oxidative stress, ER stress and inflammatory mediators under pathological situations. SUMOylation is closely regulated by the cellular redox status, and it collaborates with other PTMs such as phosphorylation, ubiquitination, and NEDDylation, to maintain beta cellular homeostasis. We hereby provide an update on recent findings regarding the role of SUMOylation in the regulation of pancreatic beta cell viability and function, and discuss its potential implication in beta cell senescence and RNA processing (e.g., pre-mRNA splicing and mRNA methylation). Through which we intend to provide novel insights into this fundamental biological process regarding both maintenance of beta cell viability and functionality, and beta cell dysfunction in diabetes mellitus.
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Affiliation(s)
- Na Li
- The Center for Biomedical Research, Key Laboratory of Organ Transplantation, Ministry of Education, NHC Key Laboratory of Organ Transplantation, Key Laboratory of Organ Transplantation, Chinese Academy of Medical Sciences, Tongji Hospital, Wuhan, China
| | - Shu Zhang
- The Center for Biomedical Research, Key Laboratory of Organ Transplantation, Ministry of Education, NHC Key Laboratory of Organ Transplantation, Key Laboratory of Organ Transplantation, Chinese Academy of Medical Sciences, Tongji Hospital, Wuhan, China
| | - Fei Xiong
- The Center for Biomedical Research, Key Laboratory of Organ Transplantation, Ministry of Education, NHC Key Laboratory of Organ Transplantation, Key Laboratory of Organ Transplantation, Chinese Academy of Medical Sciences, Tongji Hospital, Wuhan, China
| | - Decio L Eizirik
- ULB Center for Diabetes Research, Université Libre de Bruxelles, 808 Route de Lennik, B-1070, Brussels, Belgium; Indiana Biosciences Research Institute (IBRI), Indianapolis, IN, USA.
| | - Cong-Yi Wang
- The Center for Biomedical Research, Key Laboratory of Organ Transplantation, Ministry of Education, NHC Key Laboratory of Organ Transplantation, Key Laboratory of Organ Transplantation, Chinese Academy of Medical Sciences, Tongji Hospital, Wuhan, China.
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Novak J, Zamostna B, Vopalensky V, Buryskova M, Burysek L, Doleckova D, Pospisek M. Interleukin-1α associates with the tumor suppressor p53 following DNA damage. Sci Rep 2020; 10:6995. [PMID: 32332775 PMCID: PMC7181607 DOI: 10.1038/s41598-020-63779-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2019] [Accepted: 04/06/2020] [Indexed: 01/07/2023] Open
Abstract
Interleukin-1α (IL-1α) is a dual-function proinflammatory mediator. In addition to its role in the canonical IL-1 signaling pathway, which employs membrane-bound receptors, a growing body of evidence shows that IL-1α has some additional intracellular functions. We identified the interaction of IL-1α with the tumor suppressor p53 in the nuclei and cytoplasm of both malignant and noncancerous mammalian cell lines using immunoprecipitation and the in situ proximity ligation assay (PLA). This interaction was enhanced by treatment with the antineoplastic drug etoposide, which suggests a role for the IL-1α•p53 interaction in genotoxic stress.
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Affiliation(s)
- J Novak
- Department of Genetics and Microbiology, Faculty of Science, Charles University, Prague, Czech Republic
| | - B Zamostna
- Department of Genetics and Microbiology, Faculty of Science, Charles University, Prague, Czech Republic
| | - V Vopalensky
- Department of Genetics and Microbiology, Faculty of Science, Charles University, Prague, Czech Republic
| | - M Buryskova
- Protean s.r.o., Dobra Voda u Ceskych Budejovic, Czech Republic
| | - L Burysek
- Protean s.r.o., Dobra Voda u Ceskych Budejovic, Czech Republic
| | - D Doleckova
- Department of Genetics and Microbiology, Faculty of Science, Charles University, Prague, Czech Republic
| | - M Pospisek
- Department of Genetics and Microbiology, Faculty of Science, Charles University, Prague, Czech Republic.
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Liquori A, Ibañez M, Sargas C, Sanz MÁ, Barragán E, Cervera J. Acute Promyelocytic Leukemia: A Constellation of Molecular Events around a Single PML-RARA Fusion Gene. Cancers (Basel) 2020; 12:cancers12030624. [PMID: 32182684 PMCID: PMC7139833 DOI: 10.3390/cancers12030624] [Citation(s) in RCA: 68] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2020] [Revised: 02/27/2020] [Accepted: 03/05/2020] [Indexed: 12/11/2022] Open
Abstract
Although acute promyelocytic leukemia (APL) is one of the most characterized forms of acute myeloid leukemia (AML), the molecular mechanisms involved in the development and progression of this disease are still a matter of study. APL is defined by the PML-RARA rearrangement as a consequence of the translocation t(15;17)(q24;q21). However, this abnormality alone is not able to trigger the whole leukemic phenotype and secondary cooperating events might contribute to APL pathogenesis. Additional somatic mutations are known to occur recurrently in several genes, such as FLT3, WT1, NRAS and KRAS, whereas mutations in other common AML genes are rarely detected, resulting in a different molecular profile compared to other AML subtypes. How this mutational spectrum, including point mutations in the PML-RARA fusion gene, could contribute to the 10%–15% of relapsed or resistant APL patients is still unknown. Moreover, due to the uncertain impact of additional mutations on prognosis, the identification of the APL-specific genetic lesion is still the only method recommended in the routine evaluation/screening at diagnosis and for minimal residual disease (MRD) assessment. However, the gene expression profile of genes, such as ID1, BAALC, ERG, and KMT2E, once combined with the molecular events, might improve future prognostic models, allowing us to predict clinical outcomes and to categorize APL patients in different risk subsets, as recently reported. In this review, we will focus on the molecular characterization of APL patients at diagnosis, relapse and resistance, in both children and adults. We will also describe different standardized molecular approaches to study MRD, including those recently developed. Finally, we will discuss how novel molecular findings can improve the management of this disease.
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Affiliation(s)
- Alessandro Liquori
- Accredited Research Group in Hematology and Hemotherapy, Instituto de Investigación Sanitaria La Fe, 46026 Valencia, Spain; (A.L.); (C.S.)
| | - Mariam Ibañez
- Department of Hematology, Hospital Universitario y Politécnico La Fe, 46026 Valencia, Spain; (M.I.); (M.Á.S.); (E.B.)
- Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), 28029 Madrid, Spain
| | - Claudia Sargas
- Accredited Research Group in Hematology and Hemotherapy, Instituto de Investigación Sanitaria La Fe, 46026 Valencia, Spain; (A.L.); (C.S.)
| | - Miguel Ángel Sanz
- Department of Hematology, Hospital Universitario y Politécnico La Fe, 46026 Valencia, Spain; (M.I.); (M.Á.S.); (E.B.)
- Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), 28029 Madrid, Spain
| | - Eva Barragán
- Department of Hematology, Hospital Universitario y Politécnico La Fe, 46026 Valencia, Spain; (M.I.); (M.Á.S.); (E.B.)
- Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), 28029 Madrid, Spain
| | - José Cervera
- Department of Hematology, Hospital Universitario y Politécnico La Fe, 46026 Valencia, Spain; (M.I.); (M.Á.S.); (E.B.)
- Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), 28029 Madrid, Spain
- Correspondence:
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Kamagata K, Kanbayashi S, Honda M, Itoh Y, Takahashi H, Kameda T, Nagatsugi F, Takahashi S. Liquid-like droplet formation by tumor suppressor p53 induced by multivalent electrostatic interactions between two disordered domains. Sci Rep 2020; 10:580. [PMID: 31953488 PMCID: PMC6969132 DOI: 10.1038/s41598-020-57521-w] [Citation(s) in RCA: 57] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2019] [Accepted: 12/13/2019] [Indexed: 12/25/2022] Open
Abstract
Early in vivo studies demonstrated the involvement of a tumor-suppressing transcription factor, p53, into cellular droplets such as Cajal and promyelocytic leukemia protein bodies, suggesting that the liquid-liquid phase separation (LLPS) might be involved in the cellular functions of p53. To examine this possibility, we conducted extensive investigations on the droplet formation of p53 in vitro. First, p53 itself was found to form liquid-like droplets at neutral and slightly acidic pH and at low salt concentrations. Truncated p53 mutants modulated droplet formation, suggesting the importance of multivalent electrostatic interactions among the N-terminal and C-terminal domains. Second, FRET efficiency measurements for the dimer mutants of p53 revealed that distances between the core domains and between the C-terminal domains were modulated in an opposite manner within the droplets. Third, the molecular crowding agents were found to promote droplet formation, whereas ssDNA, dsDNA, and ATP, to suppress it. Finally, the p53 mutant mimicking posttranslational phosphorylation did not form the droplets. We conclude that p53 itself has a potential to form droplets that can be controlled by cellular molecules and by posttranslational modifications, suggesting that LLPS might be involved in p53 function.
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Affiliation(s)
- Kiyoto Kamagata
- Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, Katahira 2-1-1, Aoba-ku, Sendai, 980-8577, Japan. .,Department of Chemistry, Graduate School of Science, Tohoku University, Sendai, 980-8578, Japan.
| | - Saori Kanbayashi
- Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, Katahira 2-1-1, Aoba-ku, Sendai, 980-8577, Japan
| | - Masaya Honda
- Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, Katahira 2-1-1, Aoba-ku, Sendai, 980-8577, Japan.,Department of Chemistry, Graduate School of Science, Tohoku University, Sendai, 980-8578, Japan
| | - Yuji Itoh
- Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, Katahira 2-1-1, Aoba-ku, Sendai, 980-8577, Japan
| | - Hiroto Takahashi
- Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, Katahira 2-1-1, Aoba-ku, Sendai, 980-8577, Japan
| | - Tomoshi Kameda
- Artificial Intelligence Research Center, National Institute of Advanced Industrial Science and Technology (AIST), Koto, Tokyo, 135-0064, Japan
| | - Fumi Nagatsugi
- Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, Katahira 2-1-1, Aoba-ku, Sendai, 980-8577, Japan.,Department of Chemistry, Graduate School of Science, Tohoku University, Sendai, 980-8578, Japan
| | - Satoshi Takahashi
- Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, Katahira 2-1-1, Aoba-ku, Sendai, 980-8577, Japan.,Department of Chemistry, Graduate School of Science, Tohoku University, Sendai, 980-8578, Japan
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PML nuclear body biogenesis and oligomerization-driven leukemogenesis. BLOOD SCIENCE 2020; 2:7-10. [PMID: 35399865 PMCID: PMC8975047 DOI: 10.1097/bs9.0000000000000034] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2019] [Accepted: 10/02/2019] [Indexed: 11/26/2022] Open
Abstract
PML nuclear bodies (NBs), which are increasingly recognized as the central hub of many cellular signaling events, are superassembled spherical complexes with diameters of 0.1–2 μm. Recent studies reveal that RING tetramerization and B1-box polymerization are key factors to the overall PML NBs assembly. The productive RBCC oligomerization allows subsequent PML biogenesis steps, including the PML auto-sumoylation and partners recruitment via SUMO–SIM interactions. In promyelocytic leukemia, the oncoprotein PML/RARα (P/R) inhibits PML NBs assembly and leads to a full-fledged leukemogenesis. In this review, we review the recent progress in PML and acute promyelocytic leukemia fields, highlighting the protein oligomerization as an important direction of future targeted therapy.
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40
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Ip WH, Dobner T. Cell transformation by the adenovirus oncogenes E1 and E4. FEBS Lett 2019; 594:1848-1860. [PMID: 31821536 DOI: 10.1002/1873-3468.13717] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2019] [Revised: 11/22/2019] [Accepted: 11/27/2019] [Indexed: 12/21/2022]
Abstract
Extensive studies on viral-mediated oncogenic transformation by human adenoviruses have revealed much of our current understanding on the molecular mechanisms that are involved in the process. To date, these studies have shown that cell transformation is a multistep process regulated by the cooperation of several adenoviral gene products encoded in the early regions 1 (E1) and 4 (E4). Early region 1A immortalizes primary rodent cells, whereas co-expression of early region protein 1B induces full manifestation of the transformed phenotype. Beside E1 proteins, also some E4 proteins have partial transforming activities through regulating many cellular pathways. Here, we summarize recent data of how adenoviral oncoproteins may contribute to viral transformation and discuss the challenge of pinpointing the underlying mechanisms.
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Affiliation(s)
- Wing Hang Ip
- Heinrich Pette Institute, Leibniz Institute for Experimental Virology, Hamburg, Germany
| | - Thomas Dobner
- Heinrich Pette Institute, Leibniz Institute for Experimental Virology, Hamburg, Germany
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41
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Shao L, Liu Y, Wang W, Li A, Wan P, Liu W, Shereen MA, Liu F, Zhang W, Tan Q, Wu K, Liu Y, Wu J. SUMO1 SUMOylates and SENP3 deSUMOylates NLRP3 to orchestrate the inflammasome activation. FASEB J 2019; 34:1497-1515. [PMID: 31914638 DOI: 10.1096/fj.201901653r] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2019] [Revised: 10/21/2019] [Accepted: 11/14/2019] [Indexed: 12/16/2022]
Abstract
The NLRP3 inflammasome regulates innate immune and inflammatory responses by promoting caspase1-dependent induction of pro-inflammatory cytokines. However, aberrant inflammasome activation causes diverse diseases, and thus inflammasome activity must be tightly controlled. Here, we reveal a molecular mechanism underlying the regulation of NLRP3 inflammasome. NLRP3 interacts with SUMO-conjugating enzyme (UBC9), which subsequently promotes small ubiquitin-like modifier 1 (SUMO1) to catalyze NLRP3 SUMOylation at residue Lys204. SUMO1-catalyzed SUMOylation of NLRP3 facilitates ASC oligomerization, inflammasome activation, and interleukin-1β secretion. Moreover, this study also reveals that SUMO-specific protease 3 (SENP3) is required for the deSUMOylation of NLRP3. Interestingly, SENP3 deSUMOylates NLRP3 to attenuate ASC recruitment and speck formation, the NLRP3 inflammasome activation, as well as IL-1β cleavage and secretion. In conclusion, we reveal that SUMO1-catalyzed SUMOylation and SENP3-mediated deSUMOylation of NLRP3 orchestrate the inflammasome activation.
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Affiliation(s)
- Luyao Shao
- State Key Laboratory of Virology, College of Life Sciences, Wuhan University, Wuhan, China
| | - Yan Liu
- State Key Laboratory of Virology, College of Life Sciences, Wuhan University, Wuhan, China
| | - Wenbiao Wang
- Institute of Medical Microbiology, Jinan University, Guangzhou, China
| | - Aixin Li
- State Key Laboratory of Virology, College of Life Sciences, Wuhan University, Wuhan, China
| | - Pin Wan
- State Key Laboratory of Virology, College of Life Sciences, Wuhan University, Wuhan, China
| | - Weiyong Liu
- State Key Laboratory of Virology, College of Life Sciences, Wuhan University, Wuhan, China
| | - Muhammad Adnan Shereen
- State Key Laboratory of Virology, College of Life Sciences, Wuhan University, Wuhan, China
| | - Fang Liu
- State Key Laboratory of Virology, College of Life Sciences, Wuhan University, Wuhan, China
| | - Wen Zhang
- Guangdong LongFan Biological Science and Technology Company, Foshan, China
| | - Quiping Tan
- Guangdong LongFan Biological Science and Technology Company, Foshan, China
| | - Kailang Wu
- State Key Laboratory of Virology, College of Life Sciences, Wuhan University, Wuhan, China
| | - Yingle Liu
- State Key Laboratory of Virology, College of Life Sciences, Wuhan University, Wuhan, China.,Institute of Medical Microbiology, Jinan University, Guangzhou, China
| | - Jianguo Wu
- State Key Laboratory of Virology, College of Life Sciences, Wuhan University, Wuhan, China.,Institute of Medical Microbiology, Jinan University, Guangzhou, China
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42
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SUMOylation of Vps34 by SUMO1 promotes phenotypic switching of vascular smooth muscle cells by activating autophagy in pulmonary arterial hypertension. Pulm Pharmacol Ther 2019; 55:38-49. [PMID: 30703554 DOI: 10.1016/j.pupt.2019.01.007] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/26/2018] [Revised: 01/21/2019] [Accepted: 01/25/2019] [Indexed: 01/07/2023]
Abstract
INTRODUCTION Pulmonary arterial hypertension (PAH) is a life-threatening disease without effective therapies. PAH is associated with a progressive increase in pulmonary vascular resistance and irreversible pulmonary vascular remodeling. SUMO1 (small ubiquitin-related modifier 1) can bind to target proteins and lead to protein SUMOylation, an important post-translational modification with a key role in many diseases. However, the contribution of SUMO1 to PAH remains to be fully characterized. METHODS In this study, we explored the role of SUMO1 in the dedifferentiation of vascular smooth muscle cells (VSMCs) involved in hypoxia-induced pulmonary vascular remodeling and PAH in vivo and in vitro. RESULTS In a mouse model of hypoxic PAH, SUMO1 expression was significantly increased, which was associated with activation of autophagy (increased LC3b and decreased p62), dedifferentiation of pulmonary arterial VSMCs (reduced α-SMA, SM22 and SM-MHC), and pulmonary vascular remodeling. Similar results were obtained in a MCT-induced PAH model. Overexpression of SUMO1 significantly increased VSMCs proliferation, migration, hypoxia-induced VSMCs dedifferentiation, and autophagy, but these effects were abolished by inhibition of autophagy by 3-MA in aortic VSMCs. Furthermore, SUMO1 knockdown reversed hypoxia-induced proliferation and migration of PASMCs. Mechanistically, SUMO1 promotes Vps34 SUMOylation and the assembly of the Beclin-1-Vps34-Atg14 complex, thereby inducing autophagy, whereas Vps34 mutation K840R reduces Vps34 SUMOylation and inhibits VSMCs dedifferentiation. DISCUSSION Our data uncovers an important role of SUMO1 in VSMCs proliferation, migration, autophagy, and phenotypic switching (dedifferentiation) involved in pulmonary vascular remodeling and PAH. Targeting of the SUMO1-Vps34-autophagy signaling axis may be exploited to develop therapeutic strategies to treat PAH.
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Liu Y, Wang JX, Huang D, Wang B, Li LL, Li XX, Ni P, Dong XL, Xia W, Yu CX, Xu WL, Chu WF, Zhao D. PMLIV overexpression promotes TGF-β-associated epithelial-mesenchymal transition and migration in MCF-7 cancer cells. J Cell Physiol 2018; 233:9575-9583. [PMID: 29943817 DOI: 10.1002/jcp.26862] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2018] [Accepted: 05/22/2018] [Indexed: 11/10/2022]
Abstract
The epithelial-mesenchymal transition (EMT) is a key event associated with metastasis and dissemination in breast tumor pathogenesis. Promyelocytic leukemia (PML) gene produces several isoforms due to alternative splicing; however, the biological function of each specific isoform has yet to be identified. In this study, we report a previously unknown role for PMLIV, the most intensely studied nuclear isoform, in transforming growth factor-β (TGF-β) signaling-associated EMT and migration in breast cancer. This study demonstrates that PMLIV overexpression promotes a more aggressive mesenchymal phenotype and increases the migration of MCF-7 cancer cells. This event is associated with activation of the TGF-β canonical signaling pathway through the induction of Smad2/3 phosphorylation and the translocation of phospho-Smad2/3 to the nucleus. In this study, we report a previously unknown role for PMLIV in TGF-β signaling-induced regulation of breast cancer-associated EMT and migration. Targeting this pathway may be therapeutically beneficial.
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Affiliation(s)
- Yu Liu
- Department of Pharmacology, University at Harbin College of Pharmacy, Harbin Medical University, Harbin, China
| | - Jia-Xin Wang
- Department of Pharmacology, University at Harbin College of Pharmacy, Harbin Medical University, Harbin, China
| | - Di Huang
- Department of Pharmacology, University at Harbin College of Pharmacy, Harbin Medical University, Harbin, China
| | - Bing Wang
- Department of Pharmacology, University at Harbin College of Pharmacy, Harbin Medical University, Harbin, China
| | - Liang-Liang Li
- Department of Pharmacology, University at Harbin College of Pharmacy, Harbin Medical University, Harbin, China
| | - Xiu-Xian Li
- Department of Pharmacology, University at Harbin College of Pharmacy, Harbin Medical University, Harbin, China
| | - Ping Ni
- Department of Pharmacology, University at Harbin College of Pharmacy, Harbin Medical University, Harbin, China
| | - Xing-Li Dong
- Department of Biopharmaceutical Sciences, College of Pharmacy, Harbin Medical University, Harbin, China
| | - Wei Xia
- Department of Pharmacology, University at Harbin College of Pharmacy, Harbin Medical University, Harbin, China
| | - Chun-Xiao Yu
- Department of Pharmacology, University at Harbin College of Pharmacy, Harbin Medical University, Harbin, China
| | - Wan-Lu Xu
- Department of Pharmacology, University at Harbin College of Pharmacy, Harbin Medical University, Harbin, China
| | - Wen-Feng Chu
- Department of Pharmacology, University at Harbin College of Pharmacy, Harbin Medical University, Harbin, China
| | - Dan Zhao
- Department of Clinical Pharmacy, The 2nd Affiliated Hospital, Harbin Medical University at Harbin, Harbin, China
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44
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The Human CMV IE1 Protein: An Offender of PML Nuclear Bodies. ADVANCES IN ANATOMY EMBRYOLOGY AND CELL BIOLOGY 2018; 223:77-94. [PMID: 28528440 DOI: 10.1007/978-3-319-53168-7_4] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
PML nuclear bodies (PML-NBs) are SUMOylation-dependent, highly complex protein assemblies that accumulate in the interchromosomal territories of the cell nucleus. Research of the last two decades revealed that many viruses have evolved effector proteins that modify PML-NBs. This correlates with antagonization of individual PML-NB components which act as host cell restriction factors. The multifunctional immediate-early protein IE1 of human cytomegalovirus directly interacts with the PML protein resulting in a disruption of the dot-like structure of PML-NBs. This review summarizes recent advances on the functional consequences of PML-NB modification by IE1. In particular, we describe that PML exerts a novel co-regulatory role during the interferon response which is abrogated by IE1. Via binding to PML, IE1 is able to compromise both intrinsic antiviral defense mechanisms and classical innate immune responses. These interactions of IE1 with innate host defenses are crucial for the onset of lytic replication and, consequently, may represent promising targets for antiviral strategies.
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45
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Alagu J, Itahana Y, Sim F, Chao SH, Bi X, Itahana K. Tumor Suppressor p14ARF Enhances IFN-γ–Activated Immune Response by Inhibiting PIAS1 via SUMOylation. THE JOURNAL OF IMMUNOLOGY 2018; 201:451-464. [DOI: 10.4049/jimmunol.1800327] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/05/2018] [Accepted: 05/07/2018] [Indexed: 12/19/2022]
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46
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McManus FP, Bourdeau V, Acevedo M, Lopes-Paciencia S, Mignacca L, Lamoliatte F, Rojas Pino JW, Ferbeyre G, Thibault P. Quantitative SUMO proteomics reveals the modulation of several PML nuclear body associated proteins and an anti-senescence function of UBC9. Sci Rep 2018; 8:7754. [PMID: 29773808 PMCID: PMC5958138 DOI: 10.1038/s41598-018-25150-z] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2017] [Accepted: 03/28/2018] [Indexed: 12/13/2022] Open
Abstract
Several regulators of SUMOylation have been previously linked to senescence but most targets of this modification in senescent cells remain unidentified. Using a two-step purification of a modified SUMO3, we profiled the SUMO proteome of senescent cells in a site-specific manner. We identified 25 SUMO sites on 23 proteins that were significantly regulated during senescence. Of note, most of these proteins were PML nuclear body (PML-NB) associated, which correlates with the increased number and size of PML-NBs observed in senescent cells. Interestingly, the sole SUMO E2 enzyme, UBC9, was more SUMOylated during senescence on its Lys-49. Functional studies of a UBC9 mutant at Lys-49 showed a decreased association to PML-NBs and the loss of UBC9’s ability to delay senescence. We thus propose both pro- and anti-senescence functions of protein SUMOylation.
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Affiliation(s)
- Francis P McManus
- Institute of Research in Immunology and Cancer, Université de Montréal, Montréal, QC H3C 3J7, Canada
| | - Véronique Bourdeau
- Department of Biochemistry and Molecular Medicine, Université de Montréal, Montréal, QC H3C 3J7, Canada
| | - Mariana Acevedo
- Department of Biochemistry and Molecular Medicine, Université de Montréal, Montréal, QC H3C 3J7, Canada
| | - Stéphane Lopes-Paciencia
- Department of Biochemistry and Molecular Medicine, Université de Montréal, Montréal, QC H3C 3J7, Canada
| | - Lian Mignacca
- Department of Biochemistry and Molecular Medicine, Université de Montréal, Montréal, QC H3C 3J7, Canada
| | - Frédéric Lamoliatte
- Institute of Research in Immunology and Cancer, Université de Montréal, Montréal, QC H3C 3J7, Canada.,Department of Chemistry, Université de Montréal, Montréal, QC H3C 3J7, Canada
| | - John W Rojas Pino
- Department of Biochemistry and Molecular Medicine, Université de Montréal, Montréal, QC H3C 3J7, Canada
| | - Gerardo Ferbeyre
- Department of Biochemistry and Molecular Medicine, Université de Montréal, Montréal, QC H3C 3J7, Canada.
| | - Pierre Thibault
- Institute of Research in Immunology and Cancer, Université de Montréal, Montréal, QC H3C 3J7, Canada. .,Department of Chemistry, Université de Montréal, Montréal, QC H3C 3J7, Canada.
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Lallemand-Breitenbach V, de Thé H. PML nuclear bodies: from architecture to function. Curr Opin Cell Biol 2018; 52:154-161. [PMID: 29723661 DOI: 10.1016/j.ceb.2018.03.011] [Citation(s) in RCA: 139] [Impact Index Per Article: 23.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2018] [Revised: 03/06/2018] [Accepted: 03/30/2018] [Indexed: 12/11/2022]
Abstract
PML nuclear bodies are nucleated by the PML protein, which polymerizes into spherical shells where it concentrates many unrelated partner proteins. Emerging data has connected PML bodies to post-translational control, notably conjugation by SUMOs. High concentrations of SUMO-bound proteins were proposed to condense into liquid-like droplets and such phase transition may occur within NBs. Many stress pathways modulate NB formation and recent findings have directly implicated PML in oxidative stress response in vivo. PML may also undergo SUMO-dependent ubiquitination/degradation. We highlight recent advances linking PML to partner degradation and other adaptative post-translational modifications in the context of chromatin remodeling, telomere biology, senescence or viral infections.
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Affiliation(s)
- Valérie Lallemand-Breitenbach
- INSERM U944-CNRS UMR 7212, Equipe labellisée par la Ligue Nationale contre le Cancer, France; Université Paris Diderot, Sorbonne Paris Cité, Hôpital St. Louis, 1 Avenue Claude Vellefaux, 75475 Paris cedex 10, France; Collège de France, PSL Research University, 11 Place Marcelin Berthelot, 75231 Paris Cedex 05, France.
| | - Hugues de Thé
- INSERM U944-CNRS UMR 7212, Equipe labellisée par la Ligue Nationale contre le Cancer, France; Université Paris Diderot, Sorbonne Paris Cité, Hôpital St. Louis, 1 Avenue Claude Vellefaux, 75475 Paris cedex 10, France; Collège de France, PSL Research University, 11 Place Marcelin Berthelot, 75231 Paris Cedex 05, France; Service de Biochimie, Hôpital St. Louis, AP-HP, Paris, France
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48
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Stability of HTLV-2 antisense protein is controlled by PML nuclear bodies in a SUMO-dependent manner. Oncogene 2018; 37:2806-2816. [PMID: 29507418 DOI: 10.1038/s41388-018-0163-x] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2017] [Revised: 12/22/2017] [Accepted: 12/29/2017] [Indexed: 01/30/2023]
Abstract
Since the identification of the antisense protein of HTLV-2 (APH-2) and the demonstration that APH-2 mRNA is expressed in vivo in most HTLV-2 carriers, much effort has been dedicated to the elucidation of similarities and/or differences between APH-2 and HBZ, the antisense protein of HTLV-1. Similar to HBZ, APH-2 negatively regulates HTLV-2 transcription. However, it does not promote cell proliferation. In contrast to HBZ, APH-2 half-life is very short. Here, we show that APH-2 is addressed to PML nuclear bodies in T-cells, as well as in different cell types. Covalent SUMOylation of APH-2 is readily detected, indicating that APH-2 might be addressed to the PML nuclear bodies in a SUMO-dependent manner. We further show that silencing of PML increases expression of APH-2, while expression of HBZ is unaffected. On the other hand, SUMO-1 overexpression leads to a specific loss of APH-2 expression that is restored upon proteasome inhibition. Furthermore, the carboxy-terminal LAGLL motif of APH-2 is responsible for both the targeting of the protein to PML nuclear bodies and its short half-life. Taken together, these observations indicate that natural APH-2 targeting to PML nuclear bodies induces proteasomal degradation of the viral protein in a SUMO-dependent manner. Hence, this study deciphers the molecular and cellular bases of APH-2 short half-life in comparison to HBZ and highlights key differences in the post-translational mechanisms that control the expression of both proteins.
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Han ZJ, Feng YH, Gu BH, Li YM, Chen H. The post-translational modification, SUMOylation, and cancer (Review). Int J Oncol 2018; 52:1081-1094. [PMID: 29484374 PMCID: PMC5843405 DOI: 10.3892/ijo.2018.4280] [Citation(s) in RCA: 134] [Impact Index Per Article: 22.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2017] [Accepted: 02/14/2018] [Indexed: 02/07/2023] Open
Abstract
SUMOylation is a reversible post-translational modification which has emerged as a crucial molecular regulatory mechanism, involved in the regulation of DNA damage repair, immune responses, carcinogenesis, cell cycle progression and apoptosis. Four SUMO isoforms have been identified, which are SUMO1, SUMO2/3 and SUMO4. The small ubiquitin-like modifier (SUMO) pathway is conserved in all eukaryotes and plays pivotal roles in the regulation of gene expression, cellular signaling and the maintenance of genomic integrity. The SUMO catalytic cycle includes maturation, activation, conjugation, ligation and de-modification. The dysregulation of the SUMO system is associated with a number of diseases, particularly cancer. SUMOylation is widely involved in carcinogenesis, DNA damage response, cancer cell proliferation, metastasis and apoptosis. SUMO can be used as a potential therapeutic target for cancer. In this review, we briefly outline the basic concepts of the SUMO system and summarize the involvement of SUMO proteins in cancer cells in order to better understand the role of SUMO in human disease.
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Affiliation(s)
- Zhi-Jian Han
- Key Laboratory of the Digestive System Tumors of Gansu Province, Second Hospital of Lanzhou University, Lanzhou, Gansu 730030, P.R. China
| | - Yan-Hu Feng
- Key Laboratory of the Digestive System Tumors of Gansu Province, Second Hospital of Lanzhou University, Lanzhou, Gansu 730030, P.R. China
| | - Bao-Hong Gu
- Department of General Surgery, Second Hospital of Lanzhou University, Lanzhou, Gansu 730030, P.R. China
| | - Yu-Min Li
- Department of General Surgery, Second Hospital of Lanzhou University, Lanzhou, Gansu 730030, P.R. China
| | - Hao Chen
- Department of General Surgery, Second Hospital of Lanzhou University, Lanzhou, Gansu 730030, P.R. China
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50
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PML nuclear bodies, membrane-less domains acting as ROS sensors? Semin Cell Dev Biol 2017; 80:29-34. [PMID: 29157919 DOI: 10.1016/j.semcdb.2017.11.007] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2017] [Revised: 11/04/2017] [Accepted: 11/06/2017] [Indexed: 12/23/2022]
Abstract
PML Nuclear bodies (PML NBs) are spherical domains associated with a broad range of activities upon stress responses such as apoptosis, senescence DNA repair, epigenetic control, as well as control of oncogenesis. These bodies are considered as privileged sites for post-translational modifications, where sumoylation plays a key role. Here we summarize recent in vitro and in vivo findings on the link between PML NBs and ROS, in particular PML contributions to oxidative stress response. We discuss how it may regulate switch from cell protection against stress to cell arrest/cell death.
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