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Yan L, Cui Y, Feng J. Biology of Pellino1: a potential therapeutic target for inflammation in diseases and cancers. Front Immunol 2023; 14:1292022. [PMID: 38179042 PMCID: PMC10765590 DOI: 10.3389/fimmu.2023.1292022] [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: 09/11/2023] [Accepted: 12/04/2023] [Indexed: 01/06/2024] Open
Abstract
Pellino1 (Peli1) is a highly conserved E3 Ub ligase that exerts its biological functions by mediating target protein ubiquitination. Extensive evidence has demonstrated the crucial role of Peli1 in regulating inflammation by modulating various receptor signaling pathways, including interleukin-1 receptors, Toll-like receptors, nuclear factor-κB, mitogen-activated protein kinase, and phosphoinositide 3-kinase/AKT pathways. Peli1 has been implicated in the development of several diseases by influencing inflammation, apoptosis, necrosis, pyroptosis, autophagy, DNA damage repair, and glycolysis. Peli1 is a risk factor for most cancers, including breast cancer, lung cancer, and lymphoma. Conversely, Peli1 protects against herpes simplex virus infection, systemic lupus erythematosus, esophageal cancer, and toxic epidermolysis bullosa. Therefore, Peli1 is a potential therapeutic target that warrants further investigation. This comprehensive review summarizes the target proteins of Peli1, delineates their involvement in major signaling pathways and biological processes, explores their role in diseases, and discusses the potential clinical applications of Peli1-targeted therapy, highlighting the therapeutic prospects of Peli1 in various diseases.
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Affiliation(s)
| | | | - Juan Feng
- Department of Neurology, Shengjing Hospital of China Medical University, Shenyang, China
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Wang L, Huang J, Zhang R, Zhang M, Guo Y, Liu Y, Li C, Wang W, Ying S, Liu J, Wang C. Cullin 5 aggravates hypoxic pulmonary hypertension by activating TRAF6/NF-κB/HIF-1α/VEGF. iScience 2023; 26:108199. [PMID: 37965157 PMCID: PMC10641258 DOI: 10.1016/j.isci.2023.108199] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2023] [Revised: 05/05/2023] [Accepted: 10/10/2023] [Indexed: 11/16/2023] Open
Abstract
Hypoxic pulmonary hypertension (HPH) lacks effective pharmacologic treatments. Microarray-based gene expression indicates the crucial role of Cullin 5 (Cul 5) in HPH. This study showed that Cul 5 was upregulated in HPH patients and a murine model of HPH. In vitro, Cul 5 promoted the angiogenesis and adhesion capacity of human pulmonary artery endothelial cells (PAECs), which could be mitigated by Cul 5 inactivation mediated by pevonedistat or NEDD8 silence. In vivo, silencing of Cul 5 in the endothelium and Cul 5 inactivation by pevonedistat could also alleviate hypoxic vascular remodeling. Mechanistic research showed that Cul 5 participated in HPH pathogenesis via the TRAF6/NF-κB/HIF-1α/VEGF pathway. Inhibition of the TRAF6/NF-κB/HIF-1α/VEGF pathway could reverse Cul 5-induced human PAEC dysfunction. These findings demonstrate that Cul 5 is an important mediator of HPH via the TRAF6/NF-κB/HIF-1α/VEGF pathway firstly, and could be considered as a potential therapeutic target in the clinical treatment of HPH.
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Affiliation(s)
- Lei Wang
- Department of Respiratory and Critical Care Medicine, The Second Affiliated Hospital of Xi’an Jiaotong University (Xibei Hospital), Xi’an, Shaanxi 710004, China
- Department of Respiratory Medicine, Capital Medical University, Beijing 100054, P.R. China
| | - Jing Huang
- Department of Rheumatism and Immunology, The First Affiliated Hospital Xi’an Jiaotong University, Xi’an, Shaanxi 710061, China
| | - Ruoyang Zhang
- Department of Immunology, School of Basic Medical Sciences, Capital Medical University, Beijing 100054, China
- Department of Respiratory Medicine, Capital Medical University, Beijing 100054, P.R. China
| | - Muzhi Zhang
- Department of Immunology, School of Basic Medical Sciences, Capital Medical University, Beijing 100054, China
- Department of Respiratory Medicine, Capital Medical University, Beijing 100054, P.R. China
| | - Yu Guo
- Department of Immunology, School of Basic Medical Sciences, Capital Medical University, Beijing 100054, China
- Department of Respiratory Medicine, Capital Medical University, Beijing 100054, P.R. China
| | - Yang Liu
- Department of Immunology, School of Basic Medical Sciences, Capital Medical University, Beijing 100054, China
- Department of Respiratory Medicine, Capital Medical University, Beijing 100054, P.R. China
| | - Cong Li
- Department of Respiratory and Critical Care Medicine, The Second Affiliated Hospital of Xi’an Jiaotong University (Xibei Hospital), Xi’an, Shaanxi 710004, China
| | - Wei Wang
- Department of Immunology, School of Basic Medical Sciences, Capital Medical University, Beijing 100054, China
- Department of Respiratory Medicine, Capital Medical University, Beijing 100054, P.R. China
| | - Sun Ying
- Department of Immunology, School of Basic Medical Sciences, Capital Medical University, Beijing 100054, China
- Department of Respiratory Medicine, Capital Medical University, Beijing 100054, P.R. China
| | - Jie Liu
- Department of Immunology, School of Basic Medical Sciences, Capital Medical University, Beijing 100054, China
- Department of Respiratory Medicine, Capital Medical University, Beijing 100054, P.R. China
| | - Chen Wang
- Department of Respiratory Medicine, Capital Medical University, Beijing 100054, P.R. China
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Wu YC, Hsu SP, Hu MC, Lan YT, Yeh ETH, Yang FM. PEP-sNASP Peptide Alleviates LPS-Induced Acute Lung Injury Through the TLR4/TRAF6 Axis. Front Med (Lausanne) 2022; 9:832713. [PMID: 35386914 PMCID: PMC8977741 DOI: 10.3389/fmed.2022.832713] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2021] [Accepted: 02/22/2022] [Indexed: 01/11/2023] Open
Abstract
Acute lung injury (ALI) is a severe inflammatory lung disease associated with macrophages. Somatic nuclear autoantigenic sperm protein (sNASP) is a negative regulator of Toll-like receptor (TLR) signaling that targets tumor necrosis factor (TNF) receptor-associated factor 6 (TRAF6) in macrophages, which is required to maintain homeostasis of the innate immune response. In the present study, we generated a cell permeable PEP-sNASP peptide using the sNASP protein N-terminal domain, and examined its potential therapeutic effect in a mouse model of ALI induced by the intranasal administration of lipopolysaccharide (LPS) and elucidated the underlying molecular mechanisms in RAW 264.7 cells. In vivo, PEP-sNASP peptide treatment markedly ameliorated pathological injury, reduced the wet/dry (W/D) weight ratio of the lungs and the production of proinflammatory cytokines (interleukin (IL)-1β, IL-6, and TNF-α). In vitro, we demonstrated that when the PEP-sNASP peptide was transduced into RAW 264.7 cells, it bound to TRAF6, which markedly decreased LPS-induced proinflammatory cytokines by inhibiting TRAF6 autoubiquitination, nuclear factor (NF)-κB activation, reactive oxygen species (ROS) and cellular nitric oxide (NO) levels. Furthermore, the PEP-sNASP peptide also inhibited NLR family pyrin domain containing 3 (NLRP3) inflammasome activation. Our results therefore suggest that the PEP-sNASP may provide a potential protein therapy against oxidative stress and pulmonary inflammation via selective TRAF6 signaling.
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Affiliation(s)
- Yu-Chih Wu
- School of Respiratory Therapy, College of Medicine, Taipei Medical University, Taipei, Taiwan
| | - Sung-Po Hsu
- Department of Physiology, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan.,Graduate Institute of Medical Sciences, College of Medicine, Taipei Medical University, Taipei, Taiwan
| | - Meng-Chun Hu
- Graduate Institute of Physiology, National Taiwan University College of Medicine, Taipei, Taiwan
| | - Yu-Ting Lan
- Graduate Institute of Physiology, National Taiwan University College of Medicine, Taipei, Taiwan
| | - Edward T H Yeh
- Department of Internal Medicine, University of Arkansas for Medical Sciences, Little Rock, AK, United States.,Winthrop P. Rockefeller Cancer Institute, University of Arkansas for Medical Sciences, Little Rock, AK, United States
| | - Feng-Ming Yang
- School of Respiratory Therapy, College of Medicine, Taipei Medical University, Taipei, Taiwan
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Zhang E, Li X. The Emerging Roles of Pellino Family in Pattern Recognition Receptor Signaling. Front Immunol 2022; 13:728794. [PMID: 35197966 PMCID: PMC8860249 DOI: 10.3389/fimmu.2022.728794] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2021] [Accepted: 01/14/2022] [Indexed: 12/03/2022] Open
Abstract
The Pellino family is a novel and well-conserved E3 ubiquitin ligase family and consists of Pellino1, Pellino2, and Pellino3. Each family member exhibits a highly conserved structure providing ubiquitin ligase activity without abrogating cell and structure-specific function. In this review, we mainly summarized the crucial roles of the Pellino family in pattern recognition receptor-related signaling pathways: IL-1R signaling, Toll-like signaling, NOD-like signaling, T-cell and B-cell signaling, and cell death-related TNFR signaling. We also summarized the current information of the Pellino family in tumorigenesis, microRNAs, and other phenotypes. Finally, we discussed the outstanding questions of the Pellino family in immunity.
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Affiliation(s)
- E Zhang
- Marine College, Shandong University, Weihai, China
| | - Xia Li
- Marine College, Shandong University, Weihai, China
- School of Pharmaceutical Sciences, Shandong University, Jinan, China
- *Correspondence: Xia Li,
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Yang C, Zhao K, Chen X, Jiang L, Li P, Huang P. Pellino1 deficiency reprograms cardiomyocytes energy metabolism in lipopolysaccharide-induced myocardial dysfunction. Amino Acids 2021; 53:713-737. [PMID: 33885999 PMCID: PMC8128834 DOI: 10.1007/s00726-021-02978-w] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2020] [Accepted: 04/03/2021] [Indexed: 11/30/2022]
Abstract
Pellino1 has been shown to regulate proinflammatory genes by activating the nuclear factor kappa B (NF-κB) and Toll-like receptor (TLR) signaling pathways, which are important in the pathological development of lipopolysaccharide (LPS)-induced myocarditis. However, it is still unknown whether silencing Pellino1 (si-Pellino1) has a therapeutic effect on this disease. Here, we showed that silencing Pellino1 can be a potential protective strategy for abnormal myocardial energy metabolism in LPS-induced myocarditis. We used liquid chromatography electrospray–ionization tandem mass spectrometry (LC–MS/MS) to analyze samples from si-Pellino1 neonatal rat cardiac myocytes (NRCMs) treated with LPS or left untreated. After normalization of the data, metabolite interaction analysis of matched KEGG pathway associations following si-Pellino1 treatment was applied, accompanied by interaction analysis of gene and metabolite associations after this treatment. Moreover, we used western blot (WB) and polymerase chain reaction (PCR) analyses to determine the expression of genes involved in regulating cardiac energy and energy metabolism in different groups. LC–MS-based metabolic profiling analysis demonstrated that si-Pellino1 treatment could alleviate or even reverse LPS-induced cellular damage by altering cardiomyocytes energy metabolism accompanied by changes in key genes (Cs, Cpt2, and Acadm) and metabolites (3-oxoocotanoyl-CoA, hydroxypyruvic acid, lauroyl-CoA, and NADPH) in NRCMs. Overall, our study unveiled the promising cardioprotective effect of silencing Pellino1 in LPS-induced myocarditis through fuel and energy metabolic regulation, which can also serve as biomarkers for this disease.
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Affiliation(s)
- Chuanxi Yang
- Department of Cardiology, Medical School of Southeast University, Nanjing, China.,Department of Cardiology, Yangpu Hospital, Tongji University School of Medicine, Shanghai, 200090, China
| | - Kun Zhao
- Department of Cardiology, The First Affiliated Hospital of Nanjing Medical University, 300 Guangzhou Road, Nanjing, 210029, China
| | - Xufeng Chen
- Department of Emergency, The First Affiliated Hospital of Nanjing Medical University, 300 Guangzhou Road, Nanjing, 210029, China
| | - Lei Jiang
- Department of Emergency, The First Affiliated Hospital of Nanjing Medical University, 300 Guangzhou Road, Nanjing, 210029, China
| | - Peng Li
- Department of Cardiology, The First Affiliated Hospital of Nanjing Medical University, 300 Guangzhou Road, Nanjing, 210029, China.
| | - Peipei Huang
- Department of Emergency, The First Affiliated Hospital of Nanjing Medical University, 300 Guangzhou Road, Nanjing, 210029, China.
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