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Zutshi N, Mohapatra BC, Mondal P, An W, Goetz BT, Wang S, Li S, Storck MD, Mercer DF, Black AR, Thayer SP, Black JD, Lin C, Band V, Band H. Cbl and Cbl-b ubiquitin ligases are essential for intestinal epithelial stem cell maintenance. iScience 2024; 27:109912. [PMID: 38974465 PMCID: PMC11225835 DOI: 10.1016/j.isci.2024.109912] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2023] [Revised: 02/29/2024] [Accepted: 05/03/2024] [Indexed: 07/09/2024] Open
Abstract
Receptor tyrosine kinases (RTKs) control stem cell maintenance vs. differentiation decisions. Casitas B-lineage lymphoma (CBL) family ubiquitin ligases are negative regulators of RTKs, but their stem cell regulatory roles remain unclear. Here, we show that Lgr5+ intestinal stem cell (ISC)-specific inducible Cbl-knockout (KO) on a Cblb null mouse background (iDKO) induced rapid loss of the Lgr5 Hi ISCs with transient expansion of the Lgr5 Lo transit-amplifying population. LacZ-based lineage tracing revealed increased ISC commitment toward enterocyte and goblet cell fate at the expense of Paneth cells. Functionally, Cbl/Cblb iDKO impaired the recovery from radiation-induced intestinal epithelial injury. In vitro, Cbl/Cblb iDKO led to inability to maintain intestinal organoids. Single-cell RNA sequencing in organoids identified Akt-mTOR (mammalian target of rapamycin) pathway hyperactivation upon iDKO, and pharmacological Akt-mTOR axis inhibition rescued the iDKO defects. Our results demonstrate a requirement for Cbl/Cblb in the maintenance of ISCs by fine-tuning the Akt-mTOR axis to balance stem cell maintenance vs. commitment to differentiation.
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Affiliation(s)
- Neha Zutshi
- Eppley Institute for Research in Cancer and Allied Diseases, University of Nebraska Medical Center, Omaha, NE 68198, USA
- Department of Pathology & Microbiology, University of Nebraska Medical Center, Omaha, NE 68198, USA
| | - Bhopal C. Mohapatra
- Eppley Institute for Research in Cancer and Allied Diseases, University of Nebraska Medical Center, Omaha, NE 68198, USA
- Department of Genetics, Cell Biology & Anatomy, University of Nebraska Medical Center, Omaha, NE 68198, USA
| | - Pinaki Mondal
- Department of Surgery, University of Nebraska Medical Center, Omaha, NE 68198, USA
| | - Wei An
- Eppley Institute for Research in Cancer and Allied Diseases, University of Nebraska Medical Center, Omaha, NE 68198, USA
| | - Benjamin T. Goetz
- Eppley Institute for Research in Cancer and Allied Diseases, University of Nebraska Medical Center, Omaha, NE 68198, USA
| | - Shuo Wang
- Department of Radiation Oncology, College of Medicine, University of Nebraska Medical Center, Omaha, NE 68198, USA
| | - Sicong Li
- Department of Radiation Oncology, College of Medicine, University of Nebraska Medical Center, Omaha, NE 68198, USA
| | - Matthew D. Storck
- Eppley Institute for Research in Cancer and Allied Diseases, University of Nebraska Medical Center, Omaha, NE 68198, USA
| | - David F. Mercer
- Department of Surgery, University of Nebraska Medical Center, Omaha, NE 68198, USA
| | - Adrian R. Black
- Eppley Institute for Research in Cancer and Allied Diseases, University of Nebraska Medical Center, Omaha, NE 68198, USA
- Fred & Pamela Buffet Cancer Center, University of Nebraska Medical Center, Omaha, NE 68198, USA
| | - Sarah P. Thayer
- Department of Surgery, University of Nebraska Medical Center, Omaha, NE 68198, USA
- Fred & Pamela Buffet Cancer Center, University of Nebraska Medical Center, Omaha, NE 68198, USA
| | - Jennifer D. Black
- Eppley Institute for Research in Cancer and Allied Diseases, University of Nebraska Medical Center, Omaha, NE 68198, USA
- Fred & Pamela Buffet Cancer Center, University of Nebraska Medical Center, Omaha, NE 68198, USA
| | - Chi Lin
- Department of Radiation Oncology, College of Medicine, University of Nebraska Medical Center, Omaha, NE 68198, USA
- Fred & Pamela Buffet Cancer Center, University of Nebraska Medical Center, Omaha, NE 68198, USA
| | - Vimla Band
- Department of Genetics, Cell Biology & Anatomy, University of Nebraska Medical Center, Omaha, NE 68198, USA
- Fred & Pamela Buffet Cancer Center, University of Nebraska Medical Center, Omaha, NE 68198, USA
| | - Hamid Band
- Eppley Institute for Research in Cancer and Allied Diseases, University of Nebraska Medical Center, Omaha, NE 68198, USA
- Department of Pathology & Microbiology, University of Nebraska Medical Center, Omaha, NE 68198, USA
- Department of Genetics, Cell Biology & Anatomy, University of Nebraska Medical Center, Omaha, NE 68198, USA
- Fred & Pamela Buffet Cancer Center, University of Nebraska Medical Center, Omaha, NE 68198, USA
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Patton JT, Woyach JA. Targeting the B cell receptor signaling pathway in chronic lymphocytic leukemia. Semin Hematol 2024; 61:100-108. [PMID: 38749798 DOI: 10.1053/j.seminhematol.2024.04.002] [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: 11/14/2023] [Revised: 03/04/2024] [Accepted: 04/10/2024] [Indexed: 06/09/2024]
Abstract
Aberrant signal transduction through the B cell receptor (BCR) plays a critical role in the pathogenesis of chronic lymphocytic leukemia (CLL)/small lymphocytic lymphoma (SLL). BCR-dependent signaling is necessary for the growth and survival of neoplastic cells, making inhibition of down-stream pathways a logical therapeutic strategy. Indeed, selective inhibitors against Bruton's tyrosine kinase (BTK) and phosphoinositide 3-kinase (PI3K) have been shown to induce high rates of response in CLL and other B cell lymphomas. In particular, the development of BTK inhibitors revolutionized the treatment approach to CLL, demonstrating long-term efficacy. While BTK inhibitors are widely used for multiple lines of treatment, PI3K inhibitors are much less commonly utilized, mainly due to toxicities. CLL remains an incurable disease and effective treatment options after relapse or development of TKI resistance are greatly needed. This review provides an overview of BCR signaling, a summary of the current therapeutic landscape, and a discussion of the ongoing trials targeting BCR-associated kinases.
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MESH Headings
- Humans
- Leukemia, Lymphocytic, Chronic, B-Cell/drug therapy
- Leukemia, Lymphocytic, Chronic, B-Cell/metabolism
- Leukemia, Lymphocytic, Chronic, B-Cell/pathology
- Signal Transduction/drug effects
- Receptors, Antigen, B-Cell/metabolism
- Receptors, Antigen, B-Cell/antagonists & inhibitors
- Protein Kinase Inhibitors/therapeutic use
- Protein Kinase Inhibitors/pharmacology
- Agammaglobulinaemia Tyrosine Kinase/antagonists & inhibitors
- Agammaglobulinaemia Tyrosine Kinase/metabolism
- Molecular Targeted Therapy
- Antineoplastic Agents/therapeutic use
- Antineoplastic Agents/pharmacology
- Phosphoinositide-3 Kinase Inhibitors/therapeutic use
- Phosphoinositide-3 Kinase Inhibitors/pharmacology
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Affiliation(s)
- John T Patton
- Division of Hematology, Department of Internal Medicine, The Ohio State University, Columbus, OH
| | - Jennifer A Woyach
- Division of Hematology, Department of Internal Medicine, The Ohio State University, Columbus, OH.
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3
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Hu X, Li E, Zhou Y, You Q, Jiang Z. Casitas b cell lymphoma‑B (Cbl-b): A new therapeutic avenue for small-molecule immunotherapy. Bioorg Med Chem 2024; 102:117677. [PMID: 38457911 DOI: 10.1016/j.bmc.2024.117677] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2024] [Revised: 02/25/2024] [Accepted: 03/04/2024] [Indexed: 03/10/2024]
Abstract
Immunotherapy has revolutionized the area of cancer treatment. Although most immunotherapies now are antibodies targeting membrane checkpoint molecules, there is an increasing demand for small-molecule drugs that address intracellular pathways. The E3 ubiquitin ligase Casitas B cell lymphoma‑b (Cbl-b) has been regarded as a promising intracellular immunotherapy target. Cbl-b regulates the downstream proteins of multiple membrane receptors and co-receptors, restricting the activation of the innate and adaptive immune system. Recently, Cbl-b inhibitors have been reported with promising effects on immune surveillance activation and anti-tumor efficacy. Several molecules have entered phase Ⅰ clinical trials. In this review, the biological rationale of Cbl-b as a promising target for cancer immunotherapy and the latest research progress of Cbl-b are summarized, with special emphasis on the allosteric small-molecule inhibitors of Cbl-b.
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Affiliation(s)
- Xiuqi Hu
- State Key Laboratory of Natural Medicines, and Jiang Su Key Laboratory of Drug Design and Optimization, China Pharmaceutical University, Nanjing 210009, China; Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing 210009, China
| | - Erdong Li
- State Key Laboratory of Natural Medicines, and Jiang Su Key Laboratory of Drug Design and Optimization, China Pharmaceutical University, Nanjing 210009, China; Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing 210009, China
| | - Yangguo Zhou
- State Key Laboratory of Natural Medicines, and Jiang Su Key Laboratory of Drug Design and Optimization, China Pharmaceutical University, Nanjing 210009, China; Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing 210009, China
| | - Qidong You
- State Key Laboratory of Natural Medicines, and Jiang Su Key Laboratory of Drug Design and Optimization, China Pharmaceutical University, Nanjing 210009, China; Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing 210009, China.
| | - Zhengyu Jiang
- State Key Laboratory of Natural Medicines, and Jiang Su Key Laboratory of Drug Design and Optimization, China Pharmaceutical University, Nanjing 210009, China; Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing 210009, China.
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4
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Zhou L, Yang J, Zhang K, Wang T, Jiang S, Zhang X. Rising Star in Immunotherapy: Development and Therapeutic Potential of Small-Molecule Inhibitors Targeting Casitas B Cell Lymphoma-b (Cbl-b). J Med Chem 2024; 67:816-837. [PMID: 38181380 DOI: 10.1021/acs.jmedchem.3c01361] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2024]
Abstract
Casitas B cell lymphoma-b (Cbl-b) is a vital negative regulator of TCR and BCR signaling pathways, playing a significant role in setting an appropriate threshold for the activation of T cells and controlling the tolerance of peripheral T cells via a variety of mechanisms. Overexpression of Cbl-b leads to immune hyporesponsiveness of T cells. Conversely, the deficiency of Cbl-b in T cells results in markedly increased production of IL-2, even in the lack of CD28 costimulation in vitro. And Cbl-b-/- mice spontaneously reject multifarious cancers. Therefore, Cbl-b may be associated with immune-mediated diseases, and blocking Cbl-b could be considered as a new antitumor immunotherapy strategy. In this review, the possible regulatory mechanisms and biological potential of Cbl-b for antitumor immunotherapy are summarized. Besides, the potential roles of Cbl-b in immune-mediated diseases are comprehensively discussed, with emphasis on Cbl-b immune-oncology agents in the preclinical stage and clinical trials.
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Affiliation(s)
- Lixin Zhou
- Department of Medicinal Chemistry, School of Pharmacy and School of Engineering, China Pharmaceutical University, Nanjing 210009, China
| | - Jiamei Yang
- Department of Medicinal Chemistry, School of Pharmacy and School of Engineering, China Pharmaceutical University, Nanjing 210009, China
| | - Kuojun Zhang
- Department of Medicinal Chemistry, School of Pharmacy and School of Engineering, China Pharmaceutical University, Nanjing 210009, China
| | - Tianyu Wang
- Department of Medicinal Chemistry, School of Pharmacy and School of Engineering, China Pharmaceutical University, Nanjing 210009, China
| | - Sheng Jiang
- Department of Medicinal Chemistry, School of Pharmacy and School of Engineering, China Pharmaceutical University, Nanjing 210009, China
| | - Xiangyu Zhang
- Department of Medicinal Chemistry, School of Pharmacy and School of Engineering, China Pharmaceutical University, Nanjing 210009, China
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Henry CM, Castellanos CA, Buck MD, Giampazolias E, Frederico B, Cardoso A, Rogers NC, Schulz O, Lee S, Canton J, Faull P, Snijders AP, Mohapatra B, Band H, Reis E Sousa C. SYK ubiquitination by CBL E3 ligases restrains cross-presentation of dead cell-associated antigens by type 1 dendritic cells. Cell Rep 2023; 42:113506. [PMID: 38019655 DOI: 10.1016/j.celrep.2023.113506] [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: 08/02/2023] [Revised: 10/27/2023] [Accepted: 11/10/2023] [Indexed: 12/01/2023] Open
Abstract
Cross-presentation of dead cell-associated antigens by conventional dendritic cells type 1 (cDC1s) is critical for CD8+ T cells response against many tumors and viral infections. It is facilitated by DNGR-1 (CLEC9A), an SYK-coupled cDC1 receptor that detects dead cell debris. Here, we report that DNGR-1 engagement leads to rapid activation of CBL and CBL-B E3 ligases to cause K63-linked ubiquitination of SYK and terminate signaling. Genetic deletion of CBL E3 ligases or charge-conserved mutation of target lysines within SYK abolishes SYK ubiquitination and results in enhanced DNGR-1-dependent antigen cross-presentation. We also find that cDC1 deficient in CBL E3 ligases are more efficient at cross-priming CD8+ T cells to dead cell-associated antigens and promoting host resistance to tumors. Our findings reveal a role for CBL-dependent ubiquitination in limiting cross-presentation of dead cell-associated antigens and highlight an axis of negative regulation of cDC1 activity that could be exploited to increase anti-tumor immunity.
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Affiliation(s)
- Conor M Henry
- Immunobiology Laboratory, The Francis Crick Institute, 1 Midland Road, London NW1 1AT, UK
| | - Carlos A Castellanos
- Immunobiology Laboratory, The Francis Crick Institute, 1 Midland Road, London NW1 1AT, UK
| | - Michael D Buck
- Immunobiology Laboratory, The Francis Crick Institute, 1 Midland Road, London NW1 1AT, UK
| | - Evangelos Giampazolias
- Immunobiology Laboratory, The Francis Crick Institute, 1 Midland Road, London NW1 1AT, UK
| | - Bruno Frederico
- Immunobiology Laboratory, The Francis Crick Institute, 1 Midland Road, London NW1 1AT, UK
| | - Ana Cardoso
- Immunobiology Laboratory, The Francis Crick Institute, 1 Midland Road, London NW1 1AT, UK
| | - Neil C Rogers
- Immunobiology Laboratory, The Francis Crick Institute, 1 Midland Road, London NW1 1AT, UK
| | - Oliver Schulz
- Immunobiology Laboratory, The Francis Crick Institute, 1 Midland Road, London NW1 1AT, UK
| | - Sonia Lee
- Immunobiology Laboratory, The Francis Crick Institute, 1 Midland Road, London NW1 1AT, UK
| | - Johnathan Canton
- Immunobiology Laboratory, The Francis Crick Institute, 1 Midland Road, London NW1 1AT, UK
| | - Peter Faull
- Protein Analysis and Proteomics Labaratory, The Francis Crick Institute, 1 Midland Road, London NW1 1AT, UK
| | - Ambrosius P Snijders
- Protein Analysis and Proteomics Labaratory, The Francis Crick Institute, 1 Midland Road, London NW1 1AT, UK
| | - Bhopal Mohapatra
- Department of Genetics, Cell Biology and Anatomy, University of Nebraska Medical Center, Omaha, NE, USA
| | - Hamid Band
- Eppley Institute for Research in Cancer and Allied Diseases, University of Nebraska Medical Center, Omaha, NE, USA
| | - Caetano Reis E Sousa
- Immunobiology Laboratory, The Francis Crick Institute, 1 Midland Road, London NW1 1AT, UK.
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6
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Wang Z, Qu S, Yuan J, Tian W, Xu J, Tao R, Sun S, Lu T, Tang W, Zhu Y. Review and prospects of targeted therapies for Spleen tyrosine kinase (SYK). Bioorg Med Chem 2023; 96:117514. [PMID: 37984216 DOI: 10.1016/j.bmc.2023.117514] [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: 09/16/2023] [Revised: 10/30/2023] [Accepted: 10/31/2023] [Indexed: 11/22/2023]
Abstract
Spleen tyrosine kinase (SYK) is a non-receptor tyrosine kinase. The dysregulation of SYK is closely related to the occurrence and development of allergic diseases, autoimmune diseases and cancer. SYK has become an attractive target for drug discovery due to its important biological functions. This article reviews the biological function of SYK, the relationship between SYK and disease, and therapies targeting SYK. In addition, inspired by new technologies such as proteolysis targeting chimeras (PROTACs) and phosphatase recruiting chimeras (PHORCs), we propose the development of new therapeutic approaches for targeting SYK, such as SYK PROTACs and SYK PHORCs, which may overcome deficiencies of existing methods.
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Affiliation(s)
- Zhaozhao Wang
- School of Science, China Pharmaceutical University, 639 Longmian Avenue, Nanjing 211198, PR China
| | - Shu Qu
- School of Science, China Pharmaceutical University, 639 Longmian Avenue, Nanjing 211198, PR China
| | - Jiahao Yuan
- School of Science, China Pharmaceutical University, 639 Longmian Avenue, Nanjing 211198, PR China
| | - Wen Tian
- School of Science, China Pharmaceutical University, 639 Longmian Avenue, Nanjing 211198, PR China
| | - Jinglei Xu
- School of Science, China Pharmaceutical University, 639 Longmian Avenue, Nanjing 211198, PR China
| | - Rui Tao
- School of Science, China Pharmaceutical University, 639 Longmian Avenue, Nanjing 211198, PR China
| | - Shilong Sun
- School of Science, China Pharmaceutical University, 639 Longmian Avenue, Nanjing 211198, PR China
| | - Tao Lu
- School of Science, China Pharmaceutical University, 639 Longmian Avenue, Nanjing 211198, PR China; State Key Laboratory of Natural Medicines, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing 210009, PR China
| | - Weifang Tang
- School of Science, China Pharmaceutical University, 639 Longmian Avenue, Nanjing 211198, PR China.
| | - Yong Zhu
- School of Science, China Pharmaceutical University, 639 Longmian Avenue, Nanjing 211198, PR China.
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7
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Wei H, Wu S, Mai L, Yang L, Zou W, Peng H. Cbl-b negatively regulates TLR/MyD88-mediated anti- Toxoplasma gondii immunity. Microbiol Spectr 2023; 11:e0007423. [PMID: 37909781 PMCID: PMC10714978 DOI: 10.1128/spectrum.00074-23] [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: 01/08/2023] [Accepted: 08/30/2023] [Indexed: 11/03/2023] Open
Abstract
IMPORTANCE This is the first report that a human E3 ubiquitin ligase, Casitas B-lineage lymphoma proto-oncogene B (Cbl-b), functions as a host dependency factor for the intracellular protozoan Toxoplasma gondii and the mechanism for how T. gondii infection inhibits the TLR/MyD88 innate immunity pathway through MyD88 degradation mediated by Cbl-b. This finding is an impactful contribution for understanding the host cell immunity against T. gondii infection.
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Affiliation(s)
- Haixia Wei
- Department of Pathogen Biology, Guangdong Provincial Key Laboratory of Tropical Medicine, School of Public Health, Southern Medical University, Guangzhou, Guangdong, China
- Department of Pathogen Biology, School of Basic Medicine, Guangzhou Medical University, Guangzhou, Guangdong, China
| | - Shuizhen Wu
- Department of Pathogen Biology, Guangdong Provincial Key Laboratory of Tropical Medicine, School of Public Health, Southern Medical University, Guangzhou, Guangdong, China
| | - Liying Mai
- Department of Pathogen Biology, Guangdong Provincial Key Laboratory of Tropical Medicine, School of Public Health, Southern Medical University, Guangzhou, Guangdong, China
| | - Lili Yang
- Department of Pathogen Biology, Guangdong Provincial Key Laboratory of Tropical Medicine, School of Public Health, Southern Medical University, Guangzhou, Guangdong, China
| | - Weihao Zou
- Department of Pathogen Biology, Guangdong Provincial Key Laboratory of Tropical Medicine, School of Public Health, Southern Medical University, Guangzhou, Guangdong, China
| | - Hongjuan Peng
- Department of Pathogen Biology, Guangdong Provincial Key Laboratory of Tropical Medicine, School of Public Health, Southern Medical University, Guangzhou, Guangdong, China
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8
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Pinilla-Macua I, Sorkin A. Cbl and Cbl-b independently regulate EGFR through distinct receptor interaction modes. Mol Biol Cell 2023; 34:ar134. [PMID: 37903221 PMCID: PMC10848940 DOI: 10.1091/mbc.e23-02-0058] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2023] [Revised: 09/22/2023] [Accepted: 10/11/2023] [Indexed: 11/01/2023] Open
Abstract
Highly homologous E3 ubiquitin ligases, Cbl and Cbl-b, mediate ubiquitination of EGF receptor (EGFR), leading to its endocytosis and lysosomal degradation. Cbl and Cbl-b, are thought to function in a redundant manner by binding directly to phosphorylated Y1045 (pY1045) of EGFR and indirectly via the Grb2 adaptor. Unexpectedly, we found that inducible expression of Cbl or Cbl-b mutants lacking the E3 ligase activity but fully capable of EGFR binding does not significantly affect EGFR ubiquitination and endocytosis in human oral squamous cell carcinoma (HSC3) cells which endogenously express Cbl-b at a relatively high level. Each endogenous Cbl species remained associated with ligand-activated EGFR in the presence of an overexpressed counterpart species or its mutant, although Cbl-b overexpression partially decreased Cbl association with EGFR. Binding to pY1045 was the preferential mode for Cbl-b:EGFR interaction, whereas Cbl relied mainly on the Grb2-dependent mechanism. Overexpression of the E3-dead mutant of Cbl-b slowed down EGF-induced degradation of active EGFR, while this mutant and a similar mutant of Cbl did not significantly affect MAPK/ERK1/2 activity. EGF-guided chemotaxis migration of HSC3 cells was diminished by overexpression of the E3-dead Cbl-b mutant but was not significantly affected by the E3-dead Cbl mutant. By contrast, the inhibitory effect of the same Cbl mutant on the migration of OSC-19 cells expressing low Cbl-b levels was substantially stronger than that of the Cbl-b mutant. Altogether, our data demonstrate that Cbl and Cbl-b may operate independently through different modes of EGFR binding to jointly control receptor ubiquitination, endocytic trafficking, and signaling.
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Affiliation(s)
- Itziar Pinilla-Macua
- Department of Cell Biology, University of Pittsburgh, School of Medicine, Pittsburgh, PA, 15261
| | - Alexander Sorkin
- Department of Cell Biology, University of Pittsburgh, School of Medicine, Pittsburgh, PA, 15261
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9
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Hayes B, van der Geer P. STS-1 and STS-2, Multi-Enzyme Proteins Equipped to Mediate Protein-Protein Interactions. Int J Mol Sci 2023; 24:ijms24119214. [PMID: 37298164 DOI: 10.3390/ijms24119214] [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: 04/22/2023] [Revised: 05/10/2023] [Accepted: 05/12/2023] [Indexed: 06/12/2023] Open
Abstract
STS-1 and STS-2 form a small family of proteins that are involved in the regulation of signal transduction by protein-tyrosine kinases. Both proteins are composed of a UBA domain, an esterase domain, an SH3 domain, and a PGM domain. They use their UBA and SH3 domains to modify or rearrange protein-protein interactions and their PGM domain to catalyze protein-tyrosine dephosphorylation. In this manuscript, we discuss the various proteins that have been found to interact with STS-1 or STS-2 and describe the experiments used to uncover their interactions.
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Affiliation(s)
- Barbara Hayes
- Department of Chemistry and Biochemistry, San Diego State University, 5500 Campanile Dr., San Diego, CA 92105, USA
| | - Peter van der Geer
- Department of Chemistry and Biochemistry, San Diego State University, 5500 Campanile Dr., San Diego, CA 92105, USA
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Zutshi N, Mohapatra BC, Mondal P, An W, Goetz BT, Wang S, Li S, Storck MD, Mercer DF, Black AR, Thayer SP, Black JD, Lin C, Band V, Band H. Cbl and Cbl-b Ubiquitin Ligases are Essential for Intestinal Epithelial Stem Cell Maintenance. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.05.17.541154. [PMID: 37292716 PMCID: PMC10245689 DOI: 10.1101/2023.05.17.541154] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Among the signaling pathways that control the stem cell self-renewal and maintenance vs. acquisition of differentiated cell fates, those mediated by receptor tyrosine kinase (RTK) activation are well established as key players. CBL family ubiquitin ligases are negative regulators of RTKs but their physiological roles in regulating stem cell behaviors are unclear. While hematopoietic Cbl/Cblb knockout (KO) leads to a myeloproliferative disease due to expansion and reduced quiescence of hematopoietic stem cells, mammary epithelial KO led to stunted mammary gland development due to mammary stem cell depletion. Here, we examined the impact of inducible Cbl/Cblb double-KO (iDKO) selectively in the Lgr5-defined intestinal stem cell (ISC) compartment. Cbl/Cblb iDKO led to rapid loss of the Lgr5 Hi ISC pool with a concomitant transient expansion of the Lgr5 Lo transit amplifying population. LacZ reporter-based lineage tracing showed increased ISC commitment to differentiation, with propensity towards enterocyte and goblet cell fate at the expense of Paneth cells. Functionally, Cbl/Cblb iDKO impaired the recovery from radiation-induced intestinal epithelial injury. In vitro , Cbl/Cblb iDKO led to inability to maintain intestinal organoids. Single cell RNAseq analysis of organoids revealed Akt-mTOR pathway hyperactivation in iDKO ISCs and progeny cells, and pharmacological inhibition of the Akt-mTOR axis rescued the organoid maintenance and propagation defects. Our results demonstrate a requirement for Cbl/Cblb in the maintenance of ISCs by fine tuning the Akt-mTOR axis to balance stem cell maintenance vs. commitment to differentiation.
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11
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Zou Z, Zhang Y, Huang Y, Wang J, Min W, Xiang M, Zhou B, Li T. Integrated genome-wide methylation and expression analyses provide predictors of diagnosis and early response to antidepressant in panic disorder. J Affect Disord 2023; 322:146-155. [PMID: 36356898 DOI: 10.1016/j.jad.2022.10.049] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/25/2022] [Revised: 08/29/2022] [Accepted: 10/31/2022] [Indexed: 11/09/2022]
Abstract
BACKGROUND We investigated differentially methylated and expressed genes between panic disorder (PD) and healthy controls (HCs) to determine whether DNA methylation and expression level of candidate genes can be used as biomarkers for diagnosis and early response. METHODS Illumina infiniun Methylation EPIC (850 k) Beadchip for genome-wide methylation screening and mRNA sequencing was conducted in a discovery set (30 patients with PD and 30 matched HCs). The candidate gene loci methylation and expression were verified in an independent validation sample (101 PD patients and 107 HCs). RESULTS In the discovery set, there were 3613 differentially methylated cytosine phosphate guanosine sites and these differential methylation positions were located within 1938 unique genes, including 1758 hypermethylated genes, 150 hypomethylated genes, and the coexistence of hypermethylation and hypomethylation sites were found in 30 genes. There were 1111 differential transcripts in PD compared to normal controls (850 down-regulated and 261 up-regulated). Further, 212 differentially expressed genes were screened (40 up-regulated and 172 down-regulated). In the validation set, compared with HCs, there was no significant difference in DNA methylation level of Casitas B-lineage lymphoma (CBL) gene loci (cg07123846). The expression level of CBL gene in PD patients was lower (vs. HCs). After four weeks' treatment, the baseline expression level of CBL gene in the responders was higher than nonresponders. LIMITATIONS The sample size was limited. We only chose CBL as a candidate gene. Follow-up periods were short. CONCLUSIONS There are differences in genome-wide DNA methylation and mRNA expression between PD patients and HCs. The changes in expression level of CBL gene may be an important molecular marker for PD diagnosis and early response.
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Affiliation(s)
- Zhili Zou
- Provincial Center for Mental Health, Sichuan Academy of Medical Sciences & Sichuan Provincial People's Hospital, Chengdu 610072, China; Mental Health Center, West China University Hospital, Sichuan University, Chengdu 610041, China; Key Laboratory of psychosomatic medicine, Chinese Academy of Medical Sciences, Chengdu 610072, China.
| | - Yuan Zhang
- Personalized Drug Therapy Key Laboratory of Sichuan Province, Sichuan Academy of Medical Sciences & Sichuan Provincial People's Hospital, Chengdu 610072, China
| | - Yulan Huang
- Provincial Center for Mental Health, Sichuan Academy of Medical Sciences & Sichuan Provincial People's Hospital, Chengdu 610072, China
| | - Jinyu Wang
- Provincial Center for Mental Health, Sichuan Academy of Medical Sciences & Sichuan Provincial People's Hospital, Chengdu 610072, China
| | - Wenjiao Min
- Provincial Center for Mental Health, Sichuan Academy of Medical Sciences & Sichuan Provincial People's Hospital, Chengdu 610072, China
| | - Miao Xiang
- Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu 611731, China
| | - Bo Zhou
- Provincial Center for Mental Health, Sichuan Academy of Medical Sciences & Sichuan Provincial People's Hospital, Chengdu 610072, China; Key Laboratory of psychosomatic medicine, Chinese Academy of Medical Sciences, Chengdu 610072, China.
| | - Tao Li
- Mental Health Center, West China University Hospital, Sichuan University, Chengdu 610041, China.
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12
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Zhong T, Lei K, Lin X, Xie Z, Luo S, Zhou Z, Zhao B, Li X. Protein ubiquitination in T cell development. Front Immunol 2022; 13:941962. [PMID: 35990660 PMCID: PMC9386135 DOI: 10.3389/fimmu.2022.941962] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2022] [Accepted: 07/11/2022] [Indexed: 11/26/2022] Open
Abstract
As an important form of posttranslational modification, protein ubiquitination regulates a wide variety of biological processes, including different aspects of T cell development and differentiation. During T cell development, thymic seeding progenitor cells (TSPs) in the thymus undergo multistep maturation programs and checkpoints, which are critical to build a functional and tolerant immune system. Currently, a tremendous amount of research has focused on the transcriptional regulation of thymocyte development. However, in the past few years, compelling evidence has revealed that the ubiquitination system also plays a crucial role in the regulation of thymocyte developmental programs. In this review, we summarize recent findings on the molecular mechanisms and cellular pathways that regulate thymocyte ubiquitination and discuss the roles of E3 ligases and deubiquitinating enzymes (DUBs) involved in these processes. Understanding how T cell development is regulated by ubiquitination and deubiquitination will not only enhance our understanding of cell fate determination via gene regulatory networks but also provide potential novel therapeutic strategies for treating autoimmune diseases and cancer.
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Affiliation(s)
| | | | | | | | | | | | - Bin Zhao
- *Correspondence: Bin Zhao, ; Xia Li,
| | - Xia Li
- *Correspondence: Bin Zhao, ; Xia Li,
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13
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Davidzohn N, Biram A, Stoler-Barak L, Grenov A, Dassa B, Shulman Z. Syk degradation restrains plasma cell formation and promotes zonal transitions in germinal centers. J Exp Med 2020; 217:133542. [PMID: 31873727 PMCID: PMC7062533 DOI: 10.1084/jem.20191043] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2019] [Revised: 10/08/2019] [Accepted: 11/18/2019] [Indexed: 12/14/2022] Open
Abstract
In germinal centers, B cells interact with antigen in the light zone and clonally expand in the dark zone. Davidzohn et al. show that BCR-induced Syk degradation in the light zone attenuates signal transduction, impedes plasma cell formation, and promotes B cell transition to the dark zone. Germinal centers (GCs) are sites at which B cells proliferate and mutate their antibody-encoding genes in the dark zone (DZ), followed by affinity-based selection in the light zone (LZ). B cell antigen receptor (BCR) signals induce Syk activation followed by rapid phosphatase-mediated desensitization; however, how degradation events regulate BCR functions in GCs is unclear. Here, we found that Syk degradation restrains plasma cell (PC) formation in GCs and promotes B cell LZ to DZ transition. Using a mouse model defective in Cbl-mediated Syk degradation, we demonstrate that this machinery attenuates BCR signaling intensity by mitigating the Kras/Erk and PI3K/Foxo1 pathways, and restricting the expression of PC transcription factors in GC B cells. Inhibition of Syk degradation perturbed gene expression, specifically in the LZ, and enhanced the generation of PCs without affecting B cell proliferation. These findings reveal how long-lasting attenuation of signal transduction by degradation events regulates cell fate within specialized microanatomical sites.
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Affiliation(s)
- Natalia Davidzohn
- Department of Immunology, Weizmann Institute of Science, Rehovot, Israel
| | - Adi Biram
- Department of Immunology, Weizmann Institute of Science, Rehovot, Israel
| | - Liat Stoler-Barak
- Department of Immunology, Weizmann Institute of Science, Rehovot, Israel
| | - Amalie Grenov
- Department of Immunology, Weizmann Institute of Science, Rehovot, Israel
| | - Bareket Dassa
- Department of Life Science Core Facilities, Weizmann Institute of Science, Rehovot, Israel
| | - Ziv Shulman
- Department of Immunology, Weizmann Institute of Science, Rehovot, Israel
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14
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Zhang T, Sun J, Cheng J, Yin W, Li J, Miller H, Herrada AA, Gu H, Song H, Chen Y, Gong Q, Liu C. The role of ubiquitinase in B cell development and function. J Leukoc Biol 2020; 109:395-405. [PMID: 32816356 DOI: 10.1002/jlb.1mr0720-185rr] [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: 08/01/2019] [Revised: 07/16/2020] [Accepted: 07/18/2020] [Indexed: 11/10/2022] Open
Abstract
Ubiquitinases are a select group of enzymes that modify target proteins through ubiquitination, which plays a crucial role in the regulation of protein degradation, location, and function. B lymphocytes that originated from bone marrow hematopoietic stem cells (HSC), exert humoral immune functions by differentiating into plasma cells and producing antibodies. Previous studies have shown that ubiquitination is involved in the regulation of the cell cycle and signal transduction important for B lymphocyte development and function. In this review, how ubiquitinases regulate B cell development, activation, apoptosis, and proliferation is discussed, which could help in understanding the physiological processes and diseases related to B cells and also provides potential new targets for further studies.
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Affiliation(s)
- Tong Zhang
- Department of Pathogen Biology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jianxuan Sun
- Department of Pathogen Biology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jiali Cheng
- Department of hematology, Tongji Hospital, Tongji Medical college, Huazhong University of Science and Technology, Wuhan, China
| | - Wei Yin
- Wuhan Children's Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jingwen Li
- Department of hematology, Wuhan Union Hospital, Tongji Medical college, Huazhong University of Science and Technology, Wuhan, China
| | - Heather Miller
- Department of Intracellular Pathogens, National Institute of Allergy and Infectious Diseases, Bethesda, Maryland, USA
| | - Andrés A Herrada
- Lymphatic and Inflammation Research Laboratory, Facultad de Ciencias de la Salud, Instituto de Ciencias Biomédicas, Universidad Autónoma de Chile, Talca, Chile
| | - Heng Gu
- Department of Pathogen Biology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Hongmei Song
- Department of Pediatrics, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, No 1, Shuaifuyuan, Dongcheng District, Beijing, China
| | - Yan Chen
- The Second Department of Pediatrics, Affiliated Hospital of Zunyi Medical University, Zunyi, Guizhou, China
| | - Quan Gong
- Department of Immunology, School of Medicine, Yangtze University, Jingzhou, China.,Clinical Molecular Immunology Center, School of Medicine, Yangtze University, Jingzhou, China
| | - Chaohong Liu
- Department of Pathogen Biology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
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15
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Kong T, Lin S, Gong Y, Tran NT, Zhang Y, Zheng H, Ma H, Li S. Sp-CBL inhibits white spot syndrome virus replication by enhancing apoptosis in mud crab (Scylla paramamosain). DEVELOPMENTAL AND COMPARATIVE IMMUNOLOGY 2020; 105:103580. [PMID: 31901557 DOI: 10.1016/j.dci.2019.103580] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/23/2019] [Revised: 12/14/2019] [Accepted: 12/16/2019] [Indexed: 06/10/2023]
Abstract
In mammals, casitas B-lineage lymphoma (CBL) family proteins, a RING-type E3 ubiquitin ligase, are involved in many signal transduction pathways. However, the functions of CBL in invertebrates are not well elucidated. In this study, Sp-CBL containing CBL-N, CBL-2, CBL-3 and RING domains was identified in mud crab Scylla paramamosain. Sp-CBL was widely expressed in all tissues tested and found to be significantly up-regulated in the hemocytes of mud crab challenged by white spot syndrome virus (WSSV). The RNA interference of Sp-CBL increased the copy number of WSSV and declined the apoptosis rate of hemocytes. In addition, Sp-CBL could affect the activities of caspase 3 and the mitochondrial membrane potential. Taken together, the results of this study revealed that Sp-CBL could restrict WSSV proliferation through enhancing the apoptosis of the hemocytes, which would provide a novel insight into the anti-viral response in the innate immunity system of mud crab.
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Affiliation(s)
- Tongtong Kong
- Guangdong Provincial Key Laboratory of Marine Biotechnology, Institute of Marine Sciences, Shantou University, Shantou, 515063, China; STU-UMT Joint Shellfish Research Laboratory, Shantou University, Shantou, 515063, China
| | - Shanmeng Lin
- Guangdong Provincial Key Laboratory of Marine Biotechnology, Institute of Marine Sciences, Shantou University, Shantou, 515063, China; STU-UMT Joint Shellfish Research Laboratory, Shantou University, Shantou, 515063, China
| | - Yi Gong
- Guangdong Provincial Key Laboratory of Marine Biotechnology, Institute of Marine Sciences, Shantou University, Shantou, 515063, China; STU-UMT Joint Shellfish Research Laboratory, Shantou University, Shantou, 515063, China
| | - Ngoc Tuan Tran
- Guangdong Provincial Key Laboratory of Marine Biotechnology, Institute of Marine Sciences, Shantou University, Shantou, 515063, China; STU-UMT Joint Shellfish Research Laboratory, Shantou University, Shantou, 515063, China
| | - Yueling Zhang
- Guangdong Provincial Key Laboratory of Marine Biotechnology, Institute of Marine Sciences, Shantou University, Shantou, 515063, China; STU-UMT Joint Shellfish Research Laboratory, Shantou University, Shantou, 515063, China
| | - Huaiping Zheng
- Guangdong Provincial Key Laboratory of Marine Biotechnology, Institute of Marine Sciences, Shantou University, Shantou, 515063, China; STU-UMT Joint Shellfish Research Laboratory, Shantou University, Shantou, 515063, China
| | - Hongyu Ma
- Guangdong Provincial Key Laboratory of Marine Biotechnology, Institute of Marine Sciences, Shantou University, Shantou, 515063, China; STU-UMT Joint Shellfish Research Laboratory, Shantou University, Shantou, 515063, China
| | - Shengkang Li
- Guangdong Provincial Key Laboratory of Marine Biotechnology, Institute of Marine Sciences, Shantou University, Shantou, 515063, China; STU-UMT Joint Shellfish Research Laboratory, Shantou University, Shantou, 515063, China.
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16
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Li X, Gong L, Gu H. Regulation of immune system development and function by Cbl-mediated ubiquitination. Immunol Rev 2020; 291:123-133. [PMID: 31402498 DOI: 10.1111/imr.12789] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2019] [Accepted: 05/30/2019] [Indexed: 12/24/2022]
Abstract
Ubiquitination is a form of posttranslational protein modification that affects the activity of target proteins by regulating their intracellular degradation, trafficking, localization, and association with other regulators. Recent studies have placed protein ubiquitination as an important regulatory mode to control immune system development, function, and pathogenesis. In this review, we will mainly update the research progress from our laboratory on the roles of the Cbl family of E3 ubiquitin ligases in the development and function of lymphocytes and non-lymphoid cells. In addition, we will highlight our current understanding of the mechanisms used by this family of proteins, especially Cbl and Cbl-b, to co-ordinately regulate the function of various receptors and transcription factors in the context of immune regulation and diseases.
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Affiliation(s)
- Xin Li
- Kisoji Biotechnologies, Laval, Quebec, Canada
| | - Liying Gong
- Institut de Recherches Cliniques de Montreàl, Montreal, Quebec, Canada.,Division of Experimental Medicine, McGill University, Montreal, Quebec, Canada
| | - Hua Gu
- Institut de Recherches Cliniques de Montreàl, Montreal, Quebec, Canada.,Division of Experimental Medicine, McGill University, Montreal, Quebec, Canada.,Department of Microbiology and Immunology, Department of Biochemistry and Molecular Medicine, University of Montreal, Montreal, Quebec, Canada
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17
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Pai P, Shibu MA, Chang RL, Yang JJ, Su CC, Lai CH, Liao HE, Viswanadha VP, Kuo WW, Huang CY. ERβ targets ZAK and attenuates cellular hypertrophy via SUMO-1 modification in H9c2 cells. J Cell Biochem 2018; 119:7855-7864. [PMID: 29932238 DOI: 10.1002/jcb.27199] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2017] [Accepted: 05/24/2018] [Indexed: 11/11/2022]
Abstract
Aberrant expression of leucine zipper- and sterile ɑ motif-containing kinase (ZAK) observed in pathological human myocardial tissue is associated with the progression and elevation of hypertrophy. Our previous reports have correlated high levels of estrogen (E2) and abundant estrogen receptor (ER) α with a low incidence of pathological cardiac-hypertrophy and heart failure in the premenopause female population. However, the effect of elevated ERβ expression is not well known yet. Therefore, in this study, we have analyzed the cardioprotective effects and mechanisms of E2 and/or ERβ against ZAK overexpression-induced cellular hypertrophy. We have used transient transfection to overexpress ERβ into the ZAK tet-on H9c2 cells that harbor the doxycycline-inducible ZAK plasmid. The results show that ZAK overexpression in H9c2 cells resulted in hypertrophic effects, which was correlated with the upregulation of p-JNK and p-p38 MAPKs and their downstream transcription factors c-Jun and GATA-4. However, ERβ and E2 with ERβ overexpressions totally suppressed the effects of ZAK overexpression and inhibited the levels of p-JNK, p-p38, c-Jun, and GATA-4 effectively. Our results further reveal that ERβ directly binds with ZAK under normal conditions; however, ZAK overexpression reduced the association of ZAK-ERβ. Interestingly, increase in ERβ and E2 along with ERβ overexpression both enhanced the binding strengths of ERβ and ZAK and reduced the ZAK protein level. ERβ overexpression also suppressed the E3 ligase-casitas B-lineage lymphoma (CBL) and attenuated CBL-phosphoinositide 3-kinase (PI3K) protein association to prevent PI3K protein degradation. Moreover, ERβ and/or E2 blocked ZAK nuclear translocation via the inhibition of small ubiquitin-like modifier (SUMO)-1 modification. Taken together, our results further suggest that ERβ overexpression strongly suppresses ZAK-induced cellular hypertrophy and myocardial damage.
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Affiliation(s)
- Peiying Pai
- Division of Cardiology, China Medical University Hospital, Taichung, Taiwan
| | | | - Ruey-Lin Chang
- College of Chinese Medicine, School of Post-Baccalaureate Chinese Medicine, China Medical University, Taichung, Taiwan
| | - Jaw-Ji Yang
- Institute of Medicine, School of Dentistry, Chung-Shan Medical University, Taichung, Taiwan
| | - Chia-Chi Su
- Graduate Institute of Basic Medical Science, China Medical University, Taichung, Taiwan
| | - Chao-Hung Lai
- Division of Cardiology, Department of Internal Medicine, Taichung Armed Force General Hospital, Taichung, Taiwan
| | - Hung-En Liao
- Department of Healthcare Administration, Asia University, Taichung, Taiwan
| | | | - Wei-Wen Kuo
- Department of Biological Science and Technology, China Medical University, Taichung, Taiwan
| | - Chih-Yang Huang
- Graduate Institute of Basic Medical Science, China Medical University, Taichung, Taiwan.,Department of Biotechnology, Asia University, Taichung, Taiwan.,Graduate Institute of Chinese Medical Science, China Medical University, Taichung, Taiwan
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18
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Goodridge JP, Önfelt B, Malmberg KJ. Newtonian cell interactions shape natural killer cell education. Immunol Rev 2016; 267:197-213. [PMID: 26284479 PMCID: PMC4832384 DOI: 10.1111/imr.12325] [Citation(s) in RCA: 51] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Newton's third law of motion states that for every action on a physical object there is an equal and opposite reaction. The dynamic change in functional potential of natural killer (NK) cells during education bears many features of such classical mechanics. Cumulative physical interactions between cells, under a constant influence of homeostatic drivers of differentiation, lead to a reactive spectrum that ultimately shapes the functionality of each NK cell. Inhibitory signaling from an array of self‐specific receptors appear not only to suppress self‐reactivity but also aid in the persistence of effector functions over time, thereby allowing the cell to gradually build up a functional potential. Conversely, the frequent non‐cytolytic interactions between normal cells in the absence of such inhibitory signaling result in continuous stimulation of the cells and attenuation of effector function. Although an innate cell, the degree to which the fate of the NK cell is predetermined versus its ability to adapt to its own environment can be revealed through a Newtonian view of NK cell education, one which is both chronological and dynamic. As such, the development of NK cell functional diversity is the product of qualitatively different physical interactions with host cells, rather than simply the sum of their signals or an imprint based on intrinsically different transcriptional programs.
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Affiliation(s)
- Jodie P Goodridge
- The KG Jebsen Center for Cancer Immunotherapy, Institute of Clinical Medicine, University of Oslo, Oslo, Norway.,Department of Cancer Immunology, Institute for Cancer Research, Oslo University Hospital, Oslo, Norway
| | - Björn Önfelt
- Microbiology, Tumor and Cell Biology, Karolinska Institutet, Stockholm, Sweden.,Science for Life Laboratory, Department of Applied Physics, KTH-Royal Institute of Technology, Stockholm, Sweden
| | - Karl-Johan Malmberg
- The KG Jebsen Center for Cancer Immunotherapy, Institute of Clinical Medicine, University of Oslo, Oslo, Norway.,Department of Cancer Immunology, Institute for Cancer Research, Oslo University Hospital, Oslo, Norway.,Center for Infectious Medicine, Department of Medicine, Karolinska Institutet, Stockholm, Sweden
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