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Wang R, Wang R, Zhou S, Liu T, Dang J, Chen Q, Chen J, Wang Z. Ubiquitination of angiotensin-converting enzyme 2 contributes to the development of pulmonary arterial hypertension mediated by neural precursor cell-expressed developmentally down-regulated gene 4-Like. Respir Res 2024; 25:326. [PMID: 39210401 PMCID: PMC11363581 DOI: 10.1186/s12931-024-02953-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2024] [Accepted: 08/14/2024] [Indexed: 09/04/2024] Open
Abstract
OBJECTIVES In this study, we investigated whether neural precursor cell-expressed developmentally down-regulated gene 4-like (NEDD4L) is the E3 enzyme of angiotensin-converting enzyme 2 (ACE2) and whether NEDD4L degrades ACE2 via ubiquitination, leading to the progression of pulmonary arterial hypertension (PAH). METHODS Bioinformatic analyses were used to explore the E3 ligase that ubiquitinates ACE2. Cultured pulmonary arterial smooth muscle cells (PASMCs) and specimens from patients with PAH were used to investigate the crosstalk between NEDD4L and ACE2 and its ubiquitination in the context of PAH. RESULTS The inhibition of ubiquitination attenuated hypoxia-induced proliferation of PASMCs. The levels of NEDD4L were increased, and those of ACE2 were decreased in lung tissues from patients with PAH and in PASMCs. NEDD4L, the E3 ligase of ACE2, inhibited the expression of ACE2 in PASMCs, possibly through ubiquitination-mediated degradation. PAH was associated with upregulation of NEDD4L expression and downregulation of ACE2 expression. CONCLUSIONS NEDD4L, the E3 ubiquitination enzyme of ACE2, promotes the proliferation of PASMCs, ultimately leading to PAH.
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Affiliation(s)
- Rui Wang
- Graduate School, Nanjing Medical University, 101 Longmian Avenue, Jiangning District, Nanjing, Jiangsu, China
- Department of Anesthesiology, Affiliated Hospital of Xuzhou Medical University, No.99 Huaihai West Road, Xuzhou, Jiangsu, China
| | - Rui Wang
- Department of Orthopedics, Xuzhou Central Hospital, 199 Jiefang South Road, Quanshan District, Xuzhou, Jiangsu, China
| | - Siqi Zhou
- Department of Gastroenterology, Nanjing Drum Tower Hospital Clinical College of Jiangsu University, 321 Zhongshan Road, Drum Tower District, Nanjing, Jiangsu, China
| | - Tianya Liu
- Department of Anesthesiology, Affiliated Hospital of Xuzhou Medical University, No.99 Huaihai West Road, Xuzhou, Jiangsu, China
| | - Jingjing Dang
- Graduate School, Nanjing Medical University, 101 Longmian Avenue, Jiangning District, Nanjing, Jiangsu, China
- Department of Anesthesiology, Affiliated Hospital of Xuzhou Medical University, No.99 Huaihai West Road, Xuzhou, Jiangsu, China
| | - Qianmin Chen
- Department of Anesthesiology, Affiliated Hospital of Xuzhou Medical University, No.99 Huaihai West Road, Xuzhou, Jiangsu, China
| | - Jingyu Chen
- Graduate School, Nanjing Medical University, 101 Longmian Avenue, Jiangning District, Nanjing, Jiangsu, China
| | - Zhiping Wang
- Graduate School, Nanjing Medical University, 101 Longmian Avenue, Jiangning District, Nanjing, Jiangsu, China.
- Department of Anesthesiology, Affiliated Hospital of Xuzhou Medical University, No.99 Huaihai West Road, Xuzhou, Jiangsu, China.
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Peng M, Zhao C, Lu F, Zhang X, Wang X, He L, Chen B. Role of Nedd4L in Macrophage Pro-Inflammatory Polarization Induced by Influenza A Virus and Lipopolysaccharide Stimulation. Microorganisms 2024; 12:1291. [PMID: 39065060 PMCID: PMC11279021 DOI: 10.3390/microorganisms12071291] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2024] [Revised: 06/20/2024] [Accepted: 06/21/2024] [Indexed: 07/28/2024] Open
Abstract
Influenza A virus (IAV) infection often leads to influenza-associated fatalities, frequently compounded by subsequent bacterial infections, particularly Gram-negative bacterial co-infections. Lipopolysaccharide (LPS), a primary virulence factor in Gram-negative bacteria, plays a crucial role in influenza-bacterial co-infections. However, the precise pathogenic mechanisms underlying the synergistic effects of viral-bacterial co-infections remain elusive, posing significant challenges for disease management. In our study, we administered a combination of IAV and LPS to mice and examined associated parameters, including the lung function, lung index, wet/dry ratio, serum inflammatory cytokines, Nedd4L expression in lung tissue, and mRNA levels of inflammatory cytokines. Co-infection with IAV and LPS exacerbated lung tissue inflammation and amplified M1 macrophage expression in lung tissue. Additionally, we stimulated macrophages with IAV and LPS in vitro, assessing the inflammatory cytokine content in the cell supernatant and cytokine mRNA expression within the cells. This combined stimulation intensified the inflammatory response in macrophages and upregulated Nedd4L protein and mRNA expression. Subsequently, we used siRNA to knockdown Nedd4L in macrophages, revealing that suppression of Nedd4L expression alleviated the inflammatory response triggered by concurrent IAV and LPS stimulation. Collectively, these results highlight the pivotal role of Nedd4L in mediating the exacerbated inflammatory responses observed in IAV and LPS co-infections.
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Affiliation(s)
- Meihong Peng
- Medical School, Hunan University of Chinese Medicine, Changsha 410208, China; (M.P.); (L.H.); (B.C.)
| | - Cheng Zhao
- School of Integrated Chinese and Western Medicine, Hunan University of Chinese Medicine, Changsha 410208, China; (C.Z.); (X.Z.); (X.W.)
| | - Fangguo Lu
- Medical School, Hunan University of Chinese Medicine, Changsha 410208, China; (M.P.); (L.H.); (B.C.)
- School of Integrated Chinese and Western Medicine, Hunan University of Chinese Medicine, Changsha 410208, China; (C.Z.); (X.Z.); (X.W.)
| | - Xianggang Zhang
- School of Integrated Chinese and Western Medicine, Hunan University of Chinese Medicine, Changsha 410208, China; (C.Z.); (X.Z.); (X.W.)
| | - Xiaoqi Wang
- School of Integrated Chinese and Western Medicine, Hunan University of Chinese Medicine, Changsha 410208, China; (C.Z.); (X.Z.); (X.W.)
| | - Li He
- Medical School, Hunan University of Chinese Medicine, Changsha 410208, China; (M.P.); (L.H.); (B.C.)
| | - Bei Chen
- Medical School, Hunan University of Chinese Medicine, Changsha 410208, China; (M.P.); (L.H.); (B.C.)
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Zhang X, Wang S, Chong N, Chen D, Shu J, Sun J, Sun Z, Wang R, Wang Q, Xu Y. GDF-15 alleviates diabetic nephropathy via inhibiting NEDD4L-mediated IKK/NF-κB signalling pathways. Int Immunopharmacol 2024; 128:111427. [PMID: 38181673 DOI: 10.1016/j.intimp.2023.111427] [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: 09/11/2023] [Revised: 12/11/2023] [Accepted: 12/18/2023] [Indexed: 01/07/2024]
Abstract
Podocyte inflammatory injury has been indicated to play a pivotal role in the occurrence and development of diabetic nephropathy (DN). However, the pathogenesis of inflammation remains unclear. Recent researches have shown that GDF-15, a member of the transforming growth factor-β superfamily, were elevated under pathological conditions, such as myocardial ischemia, cancer, as well as inflammation. Here, we demonstrated that GDF-15 could alleviate podocyte inflammatory injury by modulating the NF-κB pathway. GDF-15 and other pro-inflammatory factors, such as TNF-α, IL-1β, and IL-6 were upregulated in the serum of HFD/STZ rat models. GDF-15 was also elevated in diabetic glomeruli and hyperglycemic stimuli treated-podocytes. The silence of GDF-15 in HG-stimulated podocytes further augmented inflammation and podocyte injury, while overexpression of GDF-15 significantly reduced the inflammatory response in podocytes. Mechanistically, we demonstrated that GDF-15 could inhibit the nuclear translocation of NF-κB through IKK and IκBα by interaction with ubiquitin ligase NEDD4L. Taken together, our data suggested a protective mechanism of elevated GDF-15 in DN through obstruction of ubiquitin degradation of IKK by inhibiting NEDD4L expression, thus decreasing the activation of NF-κB and relieving the inflammation. GDF-15 could serve as a potential therapeutic target for DN.
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Affiliation(s)
- Xinyu Zhang
- Shandong Provincial Hospital, Shandong University, Jinan, Shandong, China
| | - Simeng Wang
- Shandong Provincial Hospital, Shandong University, Jinan, Shandong, China
| | - Nannan Chong
- Department of Nephrology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, China
| | - Dandan Chen
- Shandong Provincial Hospital, Shandong University, Jinan, Shandong, China
| | - Jianqiang Shu
- Shandong Provincial Hospital, Shandong University, Jinan, Shandong, China
| | - Jingshu Sun
- Department of Nephrology, Weifang People's Hospital, Weifang, Shandong, China
| | - Zhikang Sun
- Department of Nephrology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, China
| | - Rong Wang
- Shandong Provincial Hospital, Shandong University, Jinan, Shandong, China; Department of Nephrology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, China
| | - Qinglian Wang
- Shandong Provincial Hospital, Shandong University, Jinan, Shandong, China; Department of Nephrology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, China.
| | - Ying Xu
- Shandong Provincial Hospital, Shandong University, Jinan, Shandong, China; Department of Nephrology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, China.
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Guan J, Fan Y, Wang S, Zhou F. Functions of MAP3Ks in antiviral immunity. Immunol Res 2023; 71:814-832. [PMID: 37286768 PMCID: PMC10247270 DOI: 10.1007/s12026-023-09401-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2022] [Accepted: 06/01/2023] [Indexed: 06/09/2023]
Abstract
Immune signal transduction is crucial to the body's defense against viral infection. Recognition of pathogen-associated molecular patterns by pattern recognition receptors (PRRs) activates the transcription of interferon regulators and nuclear factor-κB (NF-κB); this promotes the release of interferons and inflammatory factors. Efficient regulation of type I interferon and NF-κB signaling by members of the mitogen-activated protein (MAP) kinase kinase kinase (MAP3K) family plays an important role in antiviral immunity. Elucidating the specific roles of MAP3K activation during viral infection is essential to develop effective antiviral therapies. In this review, we outline the specific regulatory mechanisms of MAP3Ks in antiviral immunity and discuss the feasibility of targeting MAP3Ks for the treatment of virus-induced diseases.
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Affiliation(s)
- Jizhong Guan
- Institutes of Biology and Medical Science, Soochow University, Suzhou, 215123, China
| | - Yao Fan
- The Eighth Affiliated Hospital, Sun Yat-sen University, Shenzhen, 518033, China
| | - Shuai Wang
- Institutes of Biology and Medical Science, Soochow University, Suzhou, 215123, China
| | - Fangfang Zhou
- Institutes of Biology and Medical Science, Soochow University, Suzhou, 215123, China.
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Gao L, Xie M, Zhang X, Qiu Z, Pu Z, Huang S, Li B. Meconopsis quintuplinervia Regel Improves Cutibacterium acnes-Induced Inflammatory Responses in a Mouse Ear Edema Model and Suppresses Pro-Inflammatory Chemokine Production via the MAPK and NF-κB Pathways in RAW264.7 Cells. Ann Dermatol 2023; 35:408-416. [PMID: 38086354 PMCID: PMC10733074 DOI: 10.5021/ad.22.206] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2022] [Revised: 05/08/2023] [Accepted: 05/15/2023] [Indexed: 12/22/2023] Open
Abstract
BACKGROUND Acne vulgaris (AV) is a common adolescent skin condition which is mainly caused by Cutibacterium acnes overcolonization and subsequent inflammation. OBJECTIVE Our previous studies demonstrated that ethanol extracts of Meconopsis quintuplinervia Regel (EMQ) possess significant antimicrobial properties. However, their protective effects and potential mechanisms against AV remain unclear. METHODS In the present study, the EMQ treatment potential for AV was evaluated in a C. acnes-induced mouse ear edema model, and the EMQ anti-inflammatory mechanism was evaluated in lipopolysaccharide (LPS)-induced RAW264.7 macrophage cells. RESULTS The results showed that EMQ alleviated edema formation and inflammatory cell infiltration in an acne mouse model by suppressing inflammatory cytokines interleukin (IL)-6, IL-1β, and tumor necrosis factor α expression. Moreover, EMQ inhibited the phosphorylation of MAP kinases (MAPKs) such as p38, JNK, and ERK, the phosphorylation and degradation of IκB-α and the nuclear translocation of nuclear factor kappa B (NF-κB) p65 in LPS-induced RAW264.7 cells. CONCLUSION These findings suggest the potent anti-inflammatory activity of EMQ is possibly through the regulation of the MAPKs and NF-κB signaling pathways. Inhibition of C. acnes activity combined with a powerful anti-inflammatory effect of EMQ indicated its potential as a novel therapeutic option for AV.
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Affiliation(s)
- Liying Gao
- Department of Pharmacy, Key Laboratory of Pharmaceutical Research for Metabolic Diseases, Qingdao University of Science and Technology, Qingdao, China
| | - Mi Xie
- Department of Pharmacy, Key Laboratory of Pharmaceutical Research for Metabolic Diseases, Qingdao University of Science and Technology, Qingdao, China
| | - Xiayu Zhang
- Department of Pharmacy, Key Laboratory of Pharmaceutical Research for Metabolic Diseases, Qingdao University of Science and Technology, Qingdao, China
| | - Zhenhan Qiu
- Department of Pharmacy, Key Laboratory of Pharmaceutical Research for Metabolic Diseases, Qingdao University of Science and Technology, Qingdao, China
| | - Zhen Pu
- Center of Tibetan Studies (Everest Research Institute), Tibet University, Lhasa, China
| | - Shan Huang
- Department of Pharmacy, Key Laboratory of Pharmaceutical Research for Metabolic Diseases, Qingdao University of Science and Technology, Qingdao, China.
| | - Bin Li
- Department of Pharmacy, Key Laboratory of Pharmaceutical Research for Metabolic Diseases, Qingdao University of Science and Technology, Qingdao, China.
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Zhang M, Zhang Z, Tian X, Zhang E, Wang Y, Tang J, Zhao J. NEDD4L in human tumors: regulatory mechanisms and dual effects on anti-tumor and pro-tumor. Front Pharmacol 2023; 14:1291773. [PMID: 38027016 PMCID: PMC10666796 DOI: 10.3389/fphar.2023.1291773] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2023] [Accepted: 10/30/2023] [Indexed: 12/01/2023] Open
Abstract
Tumorigenesis and tumor development are closely related to the abnormal regulation of ubiquitination. Neural precursor cell expressed developmentally downregulated 4-like (NEDD4L), an E3 ubiquitin ligase critical to the ubiquitination process, plays key roles in the regulation of cancer stem cells, as well as tumor cell functions, including cell proliferation, apoptosis, cell cycle regulation, migration, invasion, epithelial-mesenchymal transition (EMT), and tumor drug resistance, by controlling subsequent protein degradation through ubiquitination. NEDD4L primarily functions as a tumor suppressor in several tumors but also plays an oncogenic role in certain tumors. In this review, we comprehensively summarize the relevant signaling pathways of NEDD4L in tumors, the regulatory mechanisms of its upstream regulatory molecules and downstream substrates, and the resulting functional alterations. Overall, therapeutic strategies targeting NEDD4L to treat cancer may be feasible.
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Affiliation(s)
- Meng Zhang
- Department of Oncology, Shengjing Hospital of China Medical University, Shenyang, China
| | - Zhenyong Zhang
- Department of Oncology, Shengjing Hospital of China Medical University, Shenyang, China
| | - Xin Tian
- Department of Oncology, Shengjing Hospital of China Medical University, Shenyang, China
| | - Enchong Zhang
- Department of Urology, Shengjing Hospital of China Medical University, Shenyang, China
| | - Yichun Wang
- Department of Oncology, Shengjing Hospital of China Medical University, Shenyang, China
| | - Jun Tang
- Department of Thoracic Surgery, Shengjing Hospital of China Medical University, Shenyang, China
| | - Jianzhu Zhao
- Department of Oncology, Shengjing Hospital of China Medical University, Shenyang, China
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Zhang S, Guo Y, Zhang S, Wang Z, Zhang Y, Zuo S. Targeting the deubiquitinase USP2 for malignant tumor therapy (Review). Oncol Rep 2023; 50:176. [PMID: 37594087 PMCID: PMC10463009 DOI: 10.3892/or.2023.8613] [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: 03/14/2023] [Accepted: 07/24/2023] [Indexed: 08/19/2023] Open
Abstract
The ubiquitin‑proteasome system is a major degradation pathway for >80% of proteins in vivo. Deubiquitylases, which remove ubiquitinated tags to stabilize substrate proteins, are important components involved in regulating the degradation of ubiquitinated proteins. In addition, they serve multiple roles in tumor development by participating in physiological processes such as protein metabolism, cell cycle regulation, DNA damage repair and gene transcription. The present review systematically summarized the role of ubiquitin‑specific protease 2 (USP2) in malignant tumors and the specific molecular mechanisms underlying the involvement of USP2 in tumor‑associated pathways. USP2 reverses ubiquitin‑mediated degradation of proteins and is involved in aberrant proliferation, migration, invasion, apoptosis and drug resistance of tumors. Additionally, the present review summarized studies reporting on the use of USP2 as a therapeutic target for malignancies such as breast, liver, ovarian, colorectal, bladder and prostate cancers and glioblastoma and highlights the current status of pharmacological research on USP2. The clinical significance of USP2 as a therapeutic target for malignant tumors warrants further investigation.
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Affiliation(s)
- Shilong Zhang
- Department of Hepatobiliary Surgery, The Affiliated Hospital of Guizhou Medical University, Guiyang, Guizhou 550004, P.R. China
| | - Yi Guo
- Department of Hepatobiliary Surgery, The Affiliated Hospital of Guizhou Medical University, Guiyang, Guizhou 550004, P.R. China
| | - Shenjie Zhang
- Department of Hepatobiliary Surgery, The Affiliated Hospital of Guizhou Medical University, Guiyang, Guizhou 550004, P.R. China
| | - Zhi Wang
- Department of Hepatobiliary Surgery, The Affiliated Hospital of Guizhou Medical University, Guiyang, Guizhou 550004, P.R. China
| | - Yewei Zhang
- Department of Hepatobiliary Surgery, The Affiliated Hospital of Guizhou Medical University, Guiyang, Guizhou 550004, P.R. China
| | - Shi Zuo
- Department of Hepatobiliary Surgery, The Affiliated Hospital of Guizhou Medical University, Guiyang, Guizhou 550004, P.R. China
- Precision Medicine Research Institute of Guizhou, The Affiliated Hospital of Guizhou Medical University, Guiyang, Guizhou 550004, P.R. China
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