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Edwards K, Lydyard PM, Kulikova N, Tsertsvadze T, Volpi EV, Chiorazzi N, Porakishvili N. The role of CD180 in hematological malignancies and inflammatory disorders. Mol Med 2023; 29:97. [PMID: 37460961 PMCID: PMC10353253 DOI: 10.1186/s10020-023-00682-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2023] [Accepted: 06/08/2023] [Indexed: 07/20/2023] Open
Abstract
Toll-like receptors play a significant role in the innate immune system and are also involved in the pathophysiology of many different diseases. Over the past 35 years, there have been a growing number of publications exploring the role of the orphan toll-like receptor, CD180. We therefore set out to provide a narrative review of the current evidence surrounding CD180 in both health and disease. We first explore the evidence surrounding the role of CD180 in physiology including its expression, function and signaling in antigen presenting cells (APCs) (dendritic cells, monocytes, and B cells). We particularly focus on the role of CD180 as a modulator of other TLRs including TLR2, TLR4, and TLR9. We then discuss the role of CD180 in inflammatory and autoimmune diseases, as well as in hematological malignancies of B cell origin, including chronic lymphocytic leukemia (CLL). Based on this evidence we produce a current model for CD180 in disease and explore the potential role for CD180 as both a prognostic biomarker and therapeutic target. Throughout, we highlight specific areas of research which should be addressed to further the understanding of CD180 biology and the translational potential of research into CD180 in various diseases.
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Affiliation(s)
- Kurtis Edwards
- School of Life Sciences, University of Westminster, London, UK
| | - Peter M Lydyard
- School of Life Sciences, University of Westminster, London, UK.
- The University of Georgia, Tbilisi, Georgia.
- Division of Infection of Immunity, University College London, Gower Street, London, WC1E 6BT, UK.
| | - Nino Kulikova
- Agricultural University of Georgia, Tbilisi, Georgia
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2
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Zhao Y, Aziz AUR, Zhang H, Zhang Z, Li N, Liu B. A systematic review on active sites and functions of PIM-1 protein. Hum Cell 2022; 35:427-440. [PMID: 35000143 DOI: 10.1007/s13577-021-00656-3] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2021] [Accepted: 12/02/2021] [Indexed: 12/12/2022]
Abstract
The Proviral Integration of Molony murine leukemia virus (PIM)-1 protein contributes to the solid cancers and hematologic malignancies, cell growth, proliferation, differentiation, migration, and other life activities. Many studies have related these functions to its molecular structure, subcellular localization and expression level. However, recognition of specific active sites and their effects on the activity of this constitutively active kinase is still a challenge. Based on the close relationship between its molecular structure and functional activity, this review covers the specific residues involved in the binding of ATP and different substrates in its catalytic domain. This review then elaborates on the relevant changes in protein conformation and cell functions after PIM-1 binds to different substrates. Therefore, this intensive study can improve the understanding of PIM-1-regulated signaling pathways by facilitating the discovery of its potential phosphorylation substrates.
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Affiliation(s)
- Youyi Zhao
- School of Biomedical Engineering, Liaoning Key Lab of Integrated Circuit and Biomedical Electronic System, Dalian University of Technology, Dalian, 116024, China
| | - Aziz Ur Rehman Aziz
- School of Biomedical Engineering, Liaoning Key Lab of Integrated Circuit and Biomedical Electronic System, Dalian University of Technology, Dalian, 116024, China
| | - Hangyu Zhang
- School of Biomedical Engineering, Liaoning Key Lab of Integrated Circuit and Biomedical Electronic System, Dalian University of Technology, Dalian, 116024, China
| | - Zhengyao Zhang
- School of Life and Pharmaceutical Sciences, Panjin Campus of Dalian University of Technology, Panjin, 124221, China
| | - Na Li
- School of Biomedical Engineering, Liaoning Key Lab of Integrated Circuit and Biomedical Electronic System, Dalian University of Technology, Dalian, 116024, China.
| | - Bo Liu
- School of Biomedical Engineering, Liaoning Key Lab of Integrated Circuit and Biomedical Electronic System, Dalian University of Technology, Dalian, 116024, China.
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Fan Z, Pathak JL, Ge L. The Potential Role of RP105 in Regulation of Inflammation and Osteoclastogenesis During Inflammatory Diseases. Front Cell Dev Biol 2021; 9:713254. [PMID: 34414191 PMCID: PMC8369417 DOI: 10.3389/fcell.2021.713254] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2021] [Accepted: 07/09/2021] [Indexed: 11/16/2022] Open
Abstract
Inflammatory diseases have a negative impact on bone homeostasis via exacerbated local and systemic inflammation. Bone resorbing osteoclasts are mainly derived from hematopoietic precursors and bone marrow monocytes. Induced osteoclastogenesis during inflammation, autoimmunity, metabolic diseases, and cancers is associated with bone loss and osteoporosis. Proinflammatory cytokines, pathogen-associated molecular patterns, or endogenous pathogenic factors induce osteoclastogenic differentiation by binding to the Toll-like receptor (TLR) family expressed on surface of osteoclast precursors. As a non-canonical member of the TLRs, radioprotective 105 kDa (RP105 or CD180) and its ligand, myeloid differentiation protein 1 (MD1), are involved in several bone metabolic disorders. Reports from literature had demonstrated RP105 as an important activator of B cells, bone marrow monocytes, and macrophages, which regulates inflammatory cytokines release from immune cells. Reports from literature had shown the association between RP105 and other TLRs, and the downstream signaling mechanisms of RP105 with different “signaling-competent” partners in immune cells during different disease conditions. This review is focused to summarize: (1) the role of RP105 on immune cells’ function and inflammation regulation (2) the potential regulatory roles of RP105 in different disease-mediated osteoclast activation and the underlying mechanisms, and (3) the different “signaling-competent” partners of RP105 that regulates osteoclastogenesis.
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Affiliation(s)
- Zhou Fan
- Guangzhou Key Laboratory of Basic and Applied Research of Oral Regenerative Medicine, Affiliated Stomatology Hospital of Guangzhou Medical University, Guangzhou, China
| | - Janak L Pathak
- Guangzhou Key Laboratory of Basic and Applied Research of Oral Regenerative Medicine, Affiliated Stomatology Hospital of Guangzhou Medical University, Guangzhou, China
| | - Linhu Ge
- Guangzhou Key Laboratory of Basic and Applied Research of Oral Regenerative Medicine, Affiliated Stomatology Hospital of Guangzhou Medical University, Guangzhou, China.,Institute of Oral Disease, Guangzhou Medical University, Guangzhou, China
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Toth RK, Warfel NA. Targeting PIM Kinases to Overcome Therapeutic Resistance in Cancer. Mol Cancer Ther 2020; 20:3-10. [PMID: 33303645 DOI: 10.1158/1535-7163.mct-20-0535] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2020] [Revised: 08/24/2020] [Accepted: 10/27/2020] [Indexed: 11/16/2022]
Abstract
Cancer progression and the onset of therapeutic resistance are often the results of uncontrolled activation of survival kinases. The proviral integration for the Moloney murine leukemia virus (PIM) kinases are oncogenic serine/threonine kinases that regulate tumorigenesis by phosphorylating a wide range of substrates that control cellular metabolism, proliferation, and survival. Because of their broad impact on cellular processes that facilitate progression and metastasis in many cancer types, it has become clear that the activation of PIM kinases is a significant driver of resistance to various types of anticancer therapies. As a result, efforts to target PIM kinases for anticancer therapy have intensified in recent years. Clinical and preclinical studies indicate that pharmacologic inhibition of PIM has the potential to significantly improve the efficacy of standard and targeted therapies. This review focuses on the signaling pathways through which PIM kinases promote cancer progression and resistance to therapy, as well as highlights biological contexts and promising strategies to exploit PIM as a therapeutic target in cancer.
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Affiliation(s)
- Rachel K Toth
- University of Arizona Cancer Center, Tucson, Arizona
| | - Noel A Warfel
- University of Arizona Cancer Center, Tucson, Arizona. .,Department of Cellular and Molecular Medicine, University of Arizona, Tucson, Arizona
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5
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Expression of CD180 in common B cell neoplasms using immunohistochemistry. J Hematop 2020. [DOI: 10.1007/s12308-020-00420-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022] Open
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Fu R, Xia Y, Li M, Mao R, Guo C, Zhou M, Tan H, Liu M, Wang S, Yang N, Zhao J. Pim-1 as a Therapeutic Target in Lupus Nephritis. Arthritis Rheumatol 2019; 71:1308-1318. [PMID: 30791224 DOI: 10.1002/art.40863] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2018] [Accepted: 02/14/2019] [Indexed: 01/01/2023]
Abstract
OBJECTIVE Lupus nephritis (LN) is a major determinant of morbidity and mortality in systemic lupus erythematosus (SLE). Pim-1 regulates lymphocyte proliferation and activation. The role of Pim-1 in autoimmune disease remains unclear. This study was undertaken to test the hypothesis that inhibition of Pim-1 would have therapeutic potential in patients with LN. METHODS Pim-1 expression was analyzed in lupus-prone (NZB × NZW)F1 mice (n = 6), human peripheral blood mononuclear cells (PBMCs) from SLE patients (n = 10), and glomeruli from patients with LN (n = 8). The therapeutic effect of the Pim-1 inhibitor AZD1208 was assessed in the same murine lupus model (n = 10 mice per group). In vitro analysis was conducted to explore the mechanisms of action of Pim-1 in mouse and human podocytes after Pim-1 expression had been induced by anti-double-stranded DNA (anti-dsDNA) antibody-positive serum. Finally, MRL/lpr mice were used to confirm the therapeutic effects of Pim-1 inhibition in vivo (n = 10 mice per group). RESULTS Up-regulation of Pim-1 was seen in renal lysates from diseased (NZB × NZW)F1 mice and in PBMCs from patients with SLE and renal biopsy tissue from patients with LN, relative to their control counterparts (each P < 0.05). The Pim-1 inhibitor AZD1208 reduced the severity of proteinuria, glomerulonephritis, renal immune complex deposits, and serum anti-dsDNA antibody levels, concomitant with the suppression of NFATc1 expression and NLRP3 inflammasome activation, in diseased (NZB × NZW)F1 mice (each P < 0.05 versus controls). Moreover, in mouse and human podocytes, Pim-1 knockdown with targeted small interfering RNA (siRNA) suppressed NFATc1 and NLRP3 inflammasome signaling in the presence of anti-dsDNA-positive serum (each P < 0.05 versus control siRNA). Mechanistically, Pim-1 modulated NLRP3 inflammasome activation through intracellular Ca2+ (P < 0.05 versus normal controls). The therapeutic effect of Pim-1 blockade was replicated in MRL/lpr mice. CONCLUSION These data identify Pim-1 as a critical regulator of LN pathogenesis in patients with SLE. Targeting of the Pim-1/NFATc1/NLRP3 pathway might therefore have therapeutic potential in human LN.
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Affiliation(s)
- Rong Fu
- First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Yong Xia
- Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Meirong Li
- Third Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Renxiang Mao
- First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Chaohuan Guo
- First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Mianjing Zhou
- First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Hechang Tan
- Fourth Affiliated Hospital of Guangxi Medical University, Guangxi, China
| | - Meiling Liu
- Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Shuang Wang
- First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Niansheng Yang
- First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Jijun Zhao
- First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
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Renner K, Metz S, Metzger AM, Neumayer S, Schmidbauer K, Talke Y, Buchtler S, Halbritter D, Mack M. Expression of IL-3 receptors and impact of IL-3 on human T and B cells. Cell Immunol 2018; 334:49-60. [DOI: 10.1016/j.cellimm.2018.09.005] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2018] [Revised: 09/12/2018] [Accepted: 09/18/2018] [Indexed: 02/08/2023]
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Tertiary lymphoid organs: A novel target in patients with chronic rhinosinusitis. J Allergy Clin Immunol 2018; 142:1673-1676. [DOI: 10.1016/j.jaci.2018.07.024] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2018] [Revised: 07/10/2018] [Accepted: 07/20/2018] [Indexed: 11/22/2022]
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Cho JA, Kim TJ, Moon HJ, Kim YJ, Yoon HK, Seong SY. Cardiolipin activates antigen-presenting cells via TLR2-PI3K-PKN1-AKT/p38-NF-kB signaling to prime antigen-specific naïve T cells in mice. Eur J Immunol 2018; 48:777-790. [PMID: 29313959 DOI: 10.1002/eji.201747222] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2017] [Revised: 12/12/2017] [Accepted: 01/02/2018] [Indexed: 12/21/2022]
Abstract
Mitochondrial defects and antimitochondrial cardiolipin (CL) antibodies are frequently detected in autoimmune disease patients. CL from dysregulated mitochondria activates various pattern recognition receptors, such as NLRP3. However, the mechanism by which mitochondrial CL activates APCs as a damage-associated molecular pattern to prime antigen-specific naïve T cells, which is crucial for T-cell-dependent anticardiolipin IgG antibody production in autoimmune diseases is unelucidated. Here, we show that CL increases the expression of costimulatory molecules in CD11c+ APCs both in vitro and in vivo. CL activates CD11c+ APCs via TLR2-PI3K-PKN1-AKT/p38MAPK-NF-κB signaling. CD11c+ APCs that have been activated by CL are sufficient to prime H-Y peptide-specific naïve CD4+ T cells and OVA-specific naïve CD8+ T cells. TLR2 is necessary for anti-CL IgG antibody responses in vivo. Intraperitoneal injection of CL does not activate CD11c+ APCs in CD14 KO mice to the same extent as in wild-type mice. CL binds to CD14 (Kd = 7 × 10-7 M). CD14, but not MD2, plays a role in NF-kB activation by CL, suggesting that CD14+ macrophages contribute to recognizing CL. In summary, CL activates signaling pathways in CD11c+ APCs through a mechanism similar to gram (+) bacteria and plays a crucial role in priming antigen-specific naïve T cells.
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Affiliation(s)
- Jung-Ah Cho
- Departments of Microbiology and Immunology, Department of Biomedical Sciences, and Wide River Institute of Immunology, Seoul National University College of Medicine, Jongno-gu, Seoul, Republic of Korea
| | - Tae-Joo Kim
- Departments of Microbiology and Immunology, Department of Biomedical Sciences, and Wide River Institute of Immunology, Seoul National University College of Medicine, Jongno-gu, Seoul, Republic of Korea
| | - Hye-Jung Moon
- Departments of Microbiology and Immunology, Department of Biomedical Sciences, and Wide River Institute of Immunology, Seoul National University College of Medicine, Jongno-gu, Seoul, Republic of Korea
| | - Young-Joo Kim
- Departments of Microbiology and Immunology, Department of Biomedical Sciences, and Wide River Institute of Immunology, Seoul National University College of Medicine, Jongno-gu, Seoul, Republic of Korea
| | - Hye-Kyung Yoon
- Departments of Microbiology and Immunology, Department of Biomedical Sciences, and Wide River Institute of Immunology, Seoul National University College of Medicine, Jongno-gu, Seoul, Republic of Korea
| | - Seung-Yong Seong
- Departments of Microbiology and Immunology, Department of Biomedical Sciences, and Wide River Institute of Immunology, Seoul National University College of Medicine, Jongno-gu, Seoul, Republic of Korea
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