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Patysheva MR, Prostakishina EA, Budnitskaya AA, Bragina OD, Kzhyshkowska JG. Dual-Specificity Phosphatases in Regulation of Tumor-Associated Macrophage Activity. Int J Mol Sci 2023; 24:17542. [PMID: 38139370 PMCID: PMC10743672 DOI: 10.3390/ijms242417542] [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: 11/22/2023] [Revised: 12/11/2023] [Accepted: 12/14/2023] [Indexed: 12/24/2023] Open
Abstract
The regulation of protein kinases by dephosphorylation is a key mechanism that defines the activity of immune cells. A balanced process of the phosphorylation/dephosphorylation of key protein kinases by dual-specificity phosphatases is required for the realization of the antitumor immune response. The family of dual-specificity phosphatases is represented by several isoforms found in both resting and activated macrophages. The main substrate of dual-specificity phosphatases are three components of mitogen-activated kinase signaling cascades: the extracellular signal-regulated kinase ERK1/2, p38, and Janus kinase family. The results of the study of model tumor-associated macrophages supported the assumption of the crucial role of dual-specificity phosphatases in the formation and determination of the outcome of the immune response against tumor cells through the selective suppression of mitogen-activated kinase signaling cascades. Since mitogen-activated kinases mostly activate the production of pro-inflammatory mediators and the antitumor function of macrophages, the excess activity of dual-specificity phosphatases suppresses the ability of tumor-associated macrophages to activate the antitumor immune response. Nowadays, the fundamental research in tumor immunology is focused on the search for novel molecular targets to activate the antitumor immune response. However, to date, dual-specificity phosphatases received limited discussion as key targets of the immune system to activate the antitumor immune response. This review discusses the importance of dual-specificity phosphatases as key regulators of the tumor-associated macrophage function.
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Affiliation(s)
- Marina R. Patysheva
- Laboratory of Translational Cellular and Molecular Biomedicine, National Research Tomsk State University, 634050 Tomsk, Russia; (M.R.P.); (E.A.P.); (A.A.B.)
- Laboratory of Cancer Progression Biology, Cancer Research Institute, Tomsk National Research Medical Center, Russian Academy of Sciences, 634009 Tomsk, Russia;
| | - Elizaveta A. Prostakishina
- Laboratory of Translational Cellular and Molecular Biomedicine, National Research Tomsk State University, 634050 Tomsk, Russia; (M.R.P.); (E.A.P.); (A.A.B.)
- Laboratory of Cancer Progression Biology, Cancer Research Institute, Tomsk National Research Medical Center, Russian Academy of Sciences, 634009 Tomsk, Russia;
| | - Arina A. Budnitskaya
- Laboratory of Translational Cellular and Molecular Biomedicine, National Research Tomsk State University, 634050 Tomsk, Russia; (M.R.P.); (E.A.P.); (A.A.B.)
- Laboratory of Genetic Technologies, Siberian State Medical University, 634050 Tomsk, Russia
| | - Olga D. Bragina
- Laboratory of Cancer Progression Biology, Cancer Research Institute, Tomsk National Research Medical Center, Russian Academy of Sciences, 634009 Tomsk, Russia;
| | - Julia G. Kzhyshkowska
- Laboratory of Translational Cellular and Molecular Biomedicine, National Research Tomsk State University, 634050 Tomsk, Russia; (M.R.P.); (E.A.P.); (A.A.B.)
- Laboratory of Genetic Technologies, Siberian State Medical University, 634050 Tomsk, Russia
- Institute of Transfusion Medicine and Immunology, Medical Faculty Mannheim, Mannheim Institute of Innate Immunosciences (MI3), University of Heidelberg, 68167 Mannheim, Germany
- German Red Cross Blood Service Baden-Württemberg—Hessen, 69117 Mannheim, Germany
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Seo H, Cho YC, Ju A, Lee S, Park BC, Park SG, Kim JH, Kim K, Cho S. Dual-specificity phosphatase 5 acts as an anti-inflammatory regulator by inhibiting the ERK and NF-κB signaling pathways. Sci Rep 2017; 7:17348. [PMID: 29229953 PMCID: PMC5725455 DOI: 10.1038/s41598-017-17591-9] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2016] [Accepted: 11/29/2017] [Indexed: 01/01/2023] Open
Abstract
Although dual-specificity phosphatase 5 (DUSP5), which inactivates extracellular signal-regulated kinase (ERK), suppresses tumors in several types of cancer, its functional roles remain largely unknown. Here, we show that DUSP5 is induced during lipopolysaccharide (LPS)-mediated inflammation and inhibits nuclear factor-κB (NF-κB) activity. DUSP5 mRNA and protein expression increased transiently in LPS-stimulated RAW 264.7 cells and then returned to basal levels. DUSP5 overexpression in RAW 264.7 cells suppressed the production of pro-inflammatory tumor necrosis factor-alpha (TNF-α) and interleukin-6 (IL-6), whereas knockdown of DUSP5 increased their expression. Investigation of two major inflammatory signaling pathways, mitogen-activated protein kinase (MAPK) and NF-κB, using activator protein-1 (AP-1) and NF-κB reporter plasmids, respectively, showed that NF-κB transcription activity was downregulated by DUSP5 in a phosphatase activity-independent manner whereas AP-1 activity was inhibited by DUSP5 phosphatase activity towards ERK,. Further investigation showed that DUSP5 directly interacts with transforming growth factor beta-activated kinase 1 (TAK1) and inhibitor of κB (IκB) kinases (IKKs) but not with IκBα. DUSP5 binding to IKKs interfered with the association of TAK1 with IKKs, suggesting that DUSP5 might act as a competitive inhibitor of TAK1-IKKs association. Therefore, we propose that DUSP5 negatively regulates ERK and NF-κB in a phosphatase activity-dependent and -independent manner, respectively.
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Affiliation(s)
- Huiyun Seo
- College of Pharmacy, Chung-Ang University, Seoul, 06974, Republic of Korea
| | - Young-Chang Cho
- College of Pharmacy, Chung-Ang University, Seoul, 06974, Republic of Korea
| | - Anna Ju
- College of Pharmacy, Chung-Ang University, Seoul, 06974, Republic of Korea
| | - Sewoong Lee
- College of Pharmacy, Chung-Ang University, Seoul, 06974, Republic of Korea
| | - Byoung Chul Park
- Disease Target Structure Research Center, Korea Research Institute of Bioscience and Biotechnology, Daejeon, 34141, Republic of Korea
| | - Sung Goo Park
- Disease Target Structure Research Center, Korea Research Institute of Bioscience and Biotechnology, Daejeon, 34141, Republic of Korea
| | - Jeong-Hoon Kim
- Personalized Genomic Medicine Research Center, Korea Research Institute of Bioscience and Biotechnology, Daejeon, 34141, Republic of Korea
| | - Kwonseop Kim
- College of Pharmacy and Research Institute for Drug Development, Chonnam National University, Gwang-ju, 61186, Republic of Korea
| | - Sayeon Cho
- College of Pharmacy, Chung-Ang University, Seoul, 06974, Republic of Korea.
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Seo H, Lee IS, Park JE, Park SG, Lee DH, Park BC, Cho S. Role of protein tyrosine phosphatase non-receptor type 7 in the regulation of TNF-α production in RAW 264.7 macrophages. PLoS One 2013; 8:e78776. [PMID: 24265715 PMCID: PMC3827119 DOI: 10.1371/journal.pone.0078776] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2013] [Accepted: 09/23/2013] [Indexed: 11/19/2022] Open
Abstract
Protein tyrosine phosphatases play key roles in a diverse range of cellular processes such as differentiation, cell proliferation, apoptosis, immunological signaling, and cytoskeletal function. Protein tyrosine phosphatase non-receptor type 7 (PTPN7), a member of the phosphatase family, specifically inactivates mitogen-activated protein kinases (MAPKs). Here, we report that PTPN7 acts as a regulator of pro-inflammatory TNF-α production in RAW 264.7 cells that are stimulated with lipopolysaccharide (LPS) that acts as an endotoxin and elicits strong immune responses in animals. Stimulation of RAW 264.7 cells with LPS leads to a transient decrease in the levels of PTPN7 mRNA and protein. The overexpression of PTPN7 inhibits LPS-stimulated production of TNF-α. In addition, small interfering RNA (siRNA) analysis showed that knock-down of PTPN7 in RAW 264.7 cells increased TNF-α production. PTPN7 has a negative regulatory function to extracellular signal regulated kinase 1/2 (ERK1/2) and p38 that increase LPS-induced TNF-α production in macrophages. Thus, our data presents PTPN7 as a negative regulator of TNF-α expression and the inflammatory response in macrophages.
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Affiliation(s)
- Huiyun Seo
- College of Pharmacy, Chung-Ang University, Seoul, Korea
| | - In-Seon Lee
- College of Pharmacy, Chung-Ang University, Seoul, Korea
| | - Jae Eun Park
- Medical Proteomics Research Center, Korea Research Institute of Bioscience and Biotechnology, Daejeon, Korea
| | - Sung Goo Park
- Medical Proteomics Research Center, Korea Research Institute of Bioscience and Biotechnology, Daejeon, Korea
| | - Do Hee Lee
- Department of Biotechnology, College of Natural Sciences, Seoul Women’s University, Seoul, Korea
| | - Byoung Chul Park
- Medical Proteomics Research Center, Korea Research Institute of Bioscience and Biotechnology, Daejeon, Korea
| | - Sayeon Cho
- College of Pharmacy, Chung-Ang University, Seoul, Korea
- * E-mail:
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