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Zhou Y, Zhang Q, Zhao Z, Hu X, You Q, Jiang Z. Targeting kelch-like (KLHL) proteins: achievements, challenges and perspectives. Eur J Med Chem 2024; 269:116270. [PMID: 38490062 DOI: 10.1016/j.ejmech.2024.116270] [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: 01/02/2024] [Revised: 02/07/2024] [Accepted: 02/19/2024] [Indexed: 03/17/2024]
Abstract
Kelch-like proteins (KLHLs) are a large family of BTB-containing proteins. KLHLs function as the substrate adaptor of Cullin 3-RING ligases (CRL3) to recognize substrates. KLHLs play pivotal roles in regulating various physiological and pathological processes by modulating the ubiquitination of their respective substrates. Mounting evidence indicates that mutations or abnormal expression of KLHLs are associated with various human diseases. Targeting KLHLs is a viable strategy for deciphering the KLHLs-related pathways and devising therapies for associated diseases. Here, we comprehensively review the known KLHLs inhibitors to date and the brilliant ideas underlying their development.
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Affiliation(s)
- Yangguo Zhou
- Jiang Su Key Laboratory of Drug Design and Optimization and State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing, 210009, China; Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing, 210009, China
| | - Qiong Zhang
- Jiang Su Key Laboratory of Drug Design and Optimization and State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing, 210009, China; Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing, 210009, China
| | - Ziquan Zhao
- Jiang Su Key Laboratory of Drug Design and Optimization and State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing, 210009, China; Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing, 210009, China
| | - Xiuqi Hu
- Jiang Su Key Laboratory of Drug Design and Optimization and State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing, 210009, China; Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing, 210009, China
| | - Qidong You
- Jiang Su Key Laboratory of Drug Design and Optimization and State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing, 210009, China; Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing, 210009, China.
| | - Zhengyu Jiang
- Jiang Su Key Laboratory of Drug Design and Optimization and State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing, 210009, China; Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing, 210009, China.
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Canciello A, Domínguez RB, Barboni B, Giordano A, Morrione A. Characterization of KLHL14 anti-oncogenic action in malignant mesothelioma. Heliyon 2024; 10:e27731. [PMID: 38509883 PMCID: PMC10950656 DOI: 10.1016/j.heliyon.2024.e27731] [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: 09/04/2023] [Revised: 03/04/2024] [Accepted: 03/06/2024] [Indexed: 03/22/2024] Open
Abstract
Malignant mesothelioma (MM) is a very aggressive neoplasia with a short life expectancy and limited therapeutic options. Thus, the identification of novel molecular targets is a matter of great urgency. Kelch-like (KLHL) proteins play an important role in a number of physiological and pathological cell-regulatory processes. Among this family, the function of KLHL14 is still very poorly characterized. KLHL14 was originally identified as a gene involved in regulating the epithelial-mesenchymal transition (EMT) process. Here, we demonstrate that KLHL14 not only prevents EMT but also plays an anti-oncogenic role in MM. Indeed, KLHL14 depletion enhanced proliferation, motility, invasion and colony formation in MM cells. Importantly, we also demonstrated that KLHL14 mechanism of action is dependent on Transforming Growth Factor β (TGF-β). In fact, TGF-β promotes de novo synthesis, increases protein stability and induces nuclear-cytoplasmic shuttling of KLHL14. Collectively, this research is an important step further to decipher KLHLs mechanism of action and further contributes to the understanding of the molecular mechanisms regulating MM.
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Affiliation(s)
- Angelo Canciello
- Sbarro Institute for Cancer Research and Molecular Medicine and Center for Biotechnology, Department of Biology, College of Science and Technology, Temple University, Philadelphia, PA, 19122, USA
- Faculty of Bioscience and Technology for Food, Agriculture and Environment, University of Teramo, 64100, Teramo, Italy
| | - Reyes Benot Domínguez
- Sbarro Institute for Cancer Research and Molecular Medicine and Center for Biotechnology, Department of Biology, College of Science and Technology, Temple University, Philadelphia, PA, 19122, USA
| | - Barbara Barboni
- Faculty of Bioscience and Technology for Food, Agriculture and Environment, University of Teramo, 64100, Teramo, Italy
| | - Antonio Giordano
- Sbarro Institute for Cancer Research and Molecular Medicine and Center for Biotechnology, Department of Biology, College of Science and Technology, Temple University, Philadelphia, PA, 19122, USA
- Department of Medical Biotechnologies, University of Siena, 53100, Siena, Italy
| | - Andrea Morrione
- Sbarro Institute for Cancer Research and Molecular Medicine and Center for Biotechnology, Department of Biology, College of Science and Technology, Temple University, Philadelphia, PA, 19122, USA
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Choudhary D, Kaur A, Singh P, Chaudhary G, Kaur R, Bayan MF, Chandrasekaran B, Marji SM, Ayman R. Target protein degradation by protacs: A budding cancer treatment strategy. Pharmacol Ther 2023; 250:108525. [PMID: 37696366 DOI: 10.1016/j.pharmthera.2023.108525] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2023] [Revised: 08/25/2023] [Accepted: 08/30/2023] [Indexed: 09/13/2023]
Abstract
Cancer is one of the most common causes of death. So, its lethal effect increases with time. Near about hundreds of cancers are known in humans. Cancer treatment is done to cure or prolonged remission, and shrinkage of the tumor. Cytotoxic agents, biological agents/targeted drugs, hormonal drugs, surgery, radiotherapy/proton therapy, chemotherapy, immunotherapy, and gene therapy are currently used in the treatment of cancer but their cost is high and cause various side effects. Seeing this, some new targeted strategies such as PROTACs are the need of the time. Proteolysis targeting chimera (PROTAC) has become one of the most discussed topics regarding cancer treatment. Few of the PROTAC molecules are in the trial phases. PROTACs have many advantages over other strategies such as modularity, compatibility, sub-stoichiometric activity, acting on undruggable targets, molecular design, and acts on intracellular targets, selectivity and specificity can be recruited for any cancer, versatility, and others. PROTACs are having some unclear questions on their pharmacokinetics, heavy-molecular weight, etc. PROTACs are anticipated to bring about a conversion in current healthcare and will emerge as booming treatments. In this review article we summarize PROTACs, their mechanism of action, uses, advantages, disadvantages, challenges, and future aspects for the successful development of potent PROTACs as a drug strategy.
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Affiliation(s)
- Diksha Choudhary
- Chitkara College of Pharmacy, Chitkara University, Punjab 140401, India
| | - Amritpal Kaur
- Chitkara College of Pharmacy, Chitkara University, Punjab 140401, India
| | - Pargat Singh
- Chitkara College of Pharmacy, Chitkara University, Punjab 140401, India
| | - Gaurav Chaudhary
- Chitkara College of Pharmacy, Chitkara University, Punjab 140401, India
| | - Rajwinder Kaur
- Chitkara College of Pharmacy, Chitkara University, Punjab 140401, India.
| | - Mohammad F Bayan
- Faculty of Pharmacy, Philadelphia University, P.O. Box 1, Amman 19392, Jordan
| | | | - Saeed M Marji
- Faculty of Pharmacy, Philadelphia University, P.O. Box 1, Amman 19392, Jordan
| | - Reema Ayman
- Faculty of Pharmacy, Philadelphia University, P.O. Box 1, Amman 19392, Jordan
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Sun Q, Zhuang Z, Bai R, Deng J, Xin T, Zhang Y, Li Q, Han B. Lysine 68 Methylation-Dependent SOX9 Stability Control Modulates Chondrogenic Differentiation in Dental Pulp Stem Cells. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2023; 10:e2206757. [PMID: 37386801 PMCID: PMC10460901 DOI: 10.1002/advs.202206757] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/17/2022] [Revised: 04/07/2023] [Indexed: 07/01/2023]
Abstract
Dental pulp stem cells (DPSCs), characterized by easy availability, multi-lineage differentiation ability, and high proliferation ability, are ideal seed cells for cartilage tissue engineering. However, the epigenetic mechanism underlying chondrogenesis in DPSCs remains elusive. Herein, it is demonstrated that KDM3A and G9A, an antagonistic pair of histone-modifying enzymes, bidirectionally regulate the chondrogenic differentiation of DPSCs by controlling SOX9 (sex-determining region Y-type high-mobility group box protein 9) degradation through lysine methylation. Transcriptomics analysis reveals that KDM3A is significantly upregulated during the chondrogenic differentiation of DPSCs. In vitro and in vivo functional analyses further indicate that KDM3A promotes chondrogenesis in DPSCs by boosting the SOX9 protein level, while G9A hinders the chondrogenic differentiation of DPSCs by reducing the SOX9 protein level. Furthermore, mechanistic studies indicate that KDM3A attenuates the ubiquitination of SOX9 by demethylating lysine (K) 68 residue, which in turn enhances SOX9 stability. Reciprocally, G9A facilitates SOX9 degradation by methylating K68 residue to increase the ubiquitination of SOX9. Meanwhile, BIX-01294 as a highly specific G9A inhibitor significantly induces the chondrogenic differentiation of DPSCs. These findings provide a theoretical basis to ameliorate the clinical use of DPSCs in cartilage tissue-engineering therapies.
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Affiliation(s)
- Qiannan Sun
- Department of OrthodonticsPeking University School and Hospital of StomatologyBeijing100081China
- National Center of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory for Digital Stomatology & Research Center of Engineering and Technology for Computerized Dentistry Ministry of Health & NMPA Key Laboratory for Dental MaterialsBeijing100081China
| | - Zimeng Zhuang
- Department of OrthodonticsPeking University School and Hospital of StomatologyBeijing100081China
- National Center of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory for Digital Stomatology & Research Center of Engineering and Technology for Computerized Dentistry Ministry of Health & NMPA Key Laboratory for Dental MaterialsBeijing100081China
| | - Rushui Bai
- Department of OrthodonticsPeking University School and Hospital of StomatologyBeijing100081China
- National Center of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory for Digital Stomatology & Research Center of Engineering and Technology for Computerized Dentistry Ministry of Health & NMPA Key Laboratory for Dental MaterialsBeijing100081China
| | - Jie Deng
- Department of OrthodonticsPeking University School and Hospital of StomatologyBeijing100081China
- National Center of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory for Digital Stomatology & Research Center of Engineering and Technology for Computerized Dentistry Ministry of Health & NMPA Key Laboratory for Dental MaterialsBeijing100081China
| | - Tianyi Xin
- Department of OrthodonticsPeking University School and Hospital of StomatologyBeijing100081China
- National Center of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory for Digital Stomatology & Research Center of Engineering and Technology for Computerized Dentistry Ministry of Health & NMPA Key Laboratory for Dental MaterialsBeijing100081China
| | - Yunfan Zhang
- Department of OrthodonticsPeking University School and Hospital of StomatologyBeijing100081China
- National Center of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory for Digital Stomatology & Research Center of Engineering and Technology for Computerized Dentistry Ministry of Health & NMPA Key Laboratory for Dental MaterialsBeijing100081China
| | - Qian Li
- Department of OrthodonticsPeking University School and Hospital of StomatologyBeijing100081China
- National Center of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory for Digital Stomatology & Research Center of Engineering and Technology for Computerized Dentistry Ministry of Health & NMPA Key Laboratory for Dental MaterialsBeijing100081China
| | - Bing Han
- Department of OrthodonticsPeking University School and Hospital of StomatologyBeijing100081China
- National Center of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory for Digital Stomatology & Research Center of Engineering and Technology for Computerized Dentistry Ministry of Health & NMPA Key Laboratory for Dental MaterialsBeijing100081China
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Zhong H, Lu W, Tang Y, Wiel C, Wei Y, Cao J, Riedlinger G, Papagiannakopoulos T, Guo JY, Bergo MO, Kang Y, Ganesan S, Sabaawy HE, Pine SR. SOX9 drives KRAS-induced lung adenocarcinoma progression and suppresses anti-tumor immunity. Oncogene 2023:10.1038/s41388-023-02715-5. [PMID: 37258742 DOI: 10.1038/s41388-023-02715-5] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2022] [Revised: 04/25/2023] [Accepted: 05/04/2023] [Indexed: 06/02/2023]
Abstract
The SOX9 transcription factor ensures proper tissue development and homeostasis and has been implicated in promoting tumor progression. However, the role of SOX9 as a driver of lung adenocarcinoma (LUAD), or any cancer, remains unclear. Using CRISPR/Cas9 and Cre-LoxP gene knockout approaches in the KrasG12D-driven mouse LUAD model, we found that loss of Sox9 significantly reduces lung tumor development, burden and progression, contributing to significantly longer overall survival. SOX9 consistently drove organoid growth in vitro, but SOX9-promoted tumor growth was significantly attenuated in immunocompromised mice compared to syngeneic mice. We demonstrate that SOX9 suppresses immune cell infiltration and functionally suppresses tumor associated CD8+ T, natural killer and dendritic cells. These data were validated by flow cytometry, gene expression, RT-qPCR, and immunohistochemistry analyses in KrasG12D-driven murine LUAD, then confirmed by interrogating bulk and single-cell gene expression repertoires and immunohistochemistry in human LUAD. Notably, SOX9 significantly elevates collagen-related gene expression and substantially increases collagen fibers. We propose that SOX9 increases tumor stiffness and inhibits tumor-infiltrating dendritic cells, thereby suppressing CD8+ T cell and NK cell infiltration and activity. Thus, SOX9 drives KrasG12D-driven lung tumor progression and inhibits anti-tumor immunity at least partly by modulating the tumor microenvironment.
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Affiliation(s)
- Hua Zhong
- Rutgers Cancer Institute of New Jersey, Rutgers, The State University of New Jersey, New Brunswick, NJ, 08901, USA
- Department of Medicine, Robert Wood Johnson Medical School, Rutgers, The State University of New Jersey, New Brunswick, NJ, 08901, USA
- Department of Pharmacology, Robert Wood Johnson Medical School, Rutgers, The State University of New Jersey, New Brunswick, NJ, 08901, USA
| | - Wen Lu
- Howard Hughes Medical Institute, Rosalind Russell and Ephraim P. Engleman Rheumatology Research Center, Department of Medicine, Department of Microbiology and Immunology, University of California, San Francisco, CA, 94143-0795, USA
| | - Yong Tang
- Department of Molecular Biology, Princeton University, Princeton, NJ, 08544, USA
- Ludwig Institute for Cancer Research Princeton Branch, Princeton, NJ, 08544, USA
| | - Clotilde Wiel
- Sahlgrenska Center for Cancer Research, Department of Surgery, Institute of Clinical Sciences, University of Gothenburg, 405 30, Gothenburg, Sweden
- Sahlgrenska Cancer Center, Department of Molecular and Clinical Medicine, Institute of Medicine, University of Gothenburg, 405 30, Gothenburg, Sweden
| | - Yong Wei
- Department of Molecular Biology, Princeton University, Princeton, NJ, 08544, USA
- Ludwig Institute for Cancer Research Princeton Branch, Princeton, NJ, 08544, USA
| | - Jian Cao
- Rutgers Cancer Institute of New Jersey, Rutgers, The State University of New Jersey, New Brunswick, NJ, 08901, USA
- Department of Medicine, Robert Wood Johnson Medical School, Rutgers, The State University of New Jersey, New Brunswick, NJ, 08901, USA
| | - Gregory Riedlinger
- Rutgers Cancer Institute of New Jersey, Rutgers, The State University of New Jersey, New Brunswick, NJ, 08901, USA
- Department of Pathology and Laboratory Medicine, Robert Wood Johnson Medical School, Rutgers, The State University of New Jersey, New Brunswick, NJ, 08901, USA
| | - Thales Papagiannakopoulos
- Perlmutter NYU Cancer Center, Department of Pathology, New York University School of Medicine, New York, NY, 10016, USA
| | - Jessie Yanxiang Guo
- Rutgers Cancer Institute of New Jersey, Rutgers, The State University of New Jersey, New Brunswick, NJ, 08901, USA
- Department of Medicine, Robert Wood Johnson Medical School, Rutgers, The State University of New Jersey, New Brunswick, NJ, 08901, USA
- Department of Chemical Biology, Rutgers Ernest Mario School of Pharmacy, Piscataway, NJ, 08854, USA
| | - Martin O Bergo
- Sahlgrenska Cancer Center, Department of Molecular and Clinical Medicine, Institute of Medicine, University of Gothenburg, 405 30, Gothenburg, Sweden
| | - Yibin Kang
- Department of Molecular Biology, Princeton University, Princeton, NJ, 08544, USA
- Ludwig Institute for Cancer Research Princeton Branch, Princeton, NJ, 08544, USA
| | - Shridar Ganesan
- Rutgers Cancer Institute of New Jersey, Rutgers, The State University of New Jersey, New Brunswick, NJ, 08901, USA
- Department of Medicine, Robert Wood Johnson Medical School, Rutgers, The State University of New Jersey, New Brunswick, NJ, 08901, USA
| | - Hatim E Sabaawy
- Rutgers Cancer Institute of New Jersey, Rutgers, The State University of New Jersey, New Brunswick, NJ, 08901, USA
- Department of Medicine, Robert Wood Johnson Medical School, Rutgers, The State University of New Jersey, New Brunswick, NJ, 08901, USA
- Department of Pathology and Laboratory Medicine, Robert Wood Johnson Medical School, Rutgers, The State University of New Jersey, New Brunswick, NJ, 08901, USA
- Division of Medical Oncology, Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO, 80045, USA
| | - Sharon R Pine
- Rutgers Cancer Institute of New Jersey, Rutgers, The State University of New Jersey, New Brunswick, NJ, 08901, USA.
- Department of Medicine, Robert Wood Johnson Medical School, Rutgers, The State University of New Jersey, New Brunswick, NJ, 08901, USA.
- Department of Pharmacology, Robert Wood Johnson Medical School, Rutgers, The State University of New Jersey, New Brunswick, NJ, 08901, USA.
- Division of Medical Oncology, Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO, 80045, USA.
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Ye G, Wang J, Yang W, Li J, Ye M, Jin X. The roles of KLHL family members in human cancers. Am J Cancer Res 2022; 12:5105-5139. [PMID: 36504893 PMCID: PMC9729911] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2022] [Accepted: 11/08/2022] [Indexed: 12/15/2022] Open
Abstract
The Kelch-like (KLHL) family members consist of three domains: bric-a-brac, tramtrack, broad complex/poxvirus and zinc finger domain, BACK domain and Kelch domain, which combine and interact with Cullin3 to form an E3 ubiquitin ligase. Research has indicated that KLHL family members ubiquitinate target substrates to regulate physiological and pathological processes, including tumorigenesis and progression. KLHL19, a member of the KLHL family, is associated with tumorigenesis and drug resistance. However, the regulation and cross talks of other KLHL family members, which also play roles in cancer, are still unclear. Our review mainly explores studies concerning the roles of other KLHL family members in tumor-related regulation to provide novel insights into KLHL family members.
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Affiliation(s)
- Ganghui Ye
- The Affiliated Hospital of Medical School, Ningbo UniversityNingbo 315020, Zhejiang, P. R. China,Department of Biochemistry and Molecular Biology, Zhejiang Key Laboratory of Pathophysiology, Medical School of Ningbo UniversityNingbo 315211, Zhejiang, P. R. China
| | - Jie Wang
- The Affiliated Hospital of Medical School, Ningbo UniversityNingbo 315020, Zhejiang, P. R. China,Department of Biochemistry and Molecular Biology, Zhejiang Key Laboratory of Pathophysiology, Medical School of Ningbo UniversityNingbo 315211, Zhejiang, P. R. China
| | - Weili Yang
- Yinzhou People’s Hospital of Medical School, Ningbo UniversityNingbo 315040, Zhejiang, P. R. China
| | - Jinyun Li
- The Affiliated Hospital of Medical School, Ningbo UniversityNingbo 315020, Zhejiang, P. R. China,Department of Biochemistry and Molecular Biology, Zhejiang Key Laboratory of Pathophysiology, Medical School of Ningbo UniversityNingbo 315211, Zhejiang, P. R. China
| | - Meng Ye
- The Affiliated Hospital of Medical School, Ningbo UniversityNingbo 315020, Zhejiang, P. R. China,Department of Biochemistry and Molecular Biology, Zhejiang Key Laboratory of Pathophysiology, Medical School of Ningbo UniversityNingbo 315211, Zhejiang, P. R. China
| | - Xiaofeng Jin
- The Affiliated Hospital of Medical School, Ningbo UniversityNingbo 315020, Zhejiang, P. R. China,Department of Biochemistry and Molecular Biology, Zhejiang Key Laboratory of Pathophysiology, Medical School of Ningbo UniversityNingbo 315211, Zhejiang, P. R. China
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Isorhapontigenin Modulates SOX9/TOLLIP Expression to Attenuate Cell Apoptosis and Oxidative Stress in Paraquat-Induced Acute Kidney Injury. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2022; 2022:3328623. [PMID: 35720190 PMCID: PMC9203234 DOI: 10.1155/2022/3328623] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/03/2022] [Accepted: 05/07/2022] [Indexed: 11/18/2022]
Abstract
Paraquat (PQ) is a widely used herbicide but can be lethal to humans. The kidney is vital for PQ elimination; therefore, explorations for therapeutic approaches for PQ-induced acute kidney injury (AKI) are of great significance. Here, the effects of a natural bioactive polyphenol isorhapontigenin (ISO) on PQ-AKI were investigated. In vitro experiments carried out in PQ-intoxicated rat renal tubular epithelial cells (NRK-52E) showed that ISO treatment inhibited PQ-induced cell apoptosis and oxidative stress, which was evidenced by the decreased proapoptotic proteins [cleaved caspase 3/9 and poly (ADP-ribose) polymerase (PARP)], the reduced oxidative stress indicators [reactive oxygen species (ROS), malondialdehyde (MDA), and lactate dehydrogenase (LDH) leakage], and the increased antioxidants [superoxide dismutase (SOD), nuclear factor E2-related factor 2 (NRF2), and oxygenase-1 (HO-1)]. Furthermore, 50 mg/kg ISO pretreatment before PQ administration significantly attenuated PQ-AKI in rats, as manifested by the improved renal tubule damage, the reduced serum and urine markers of kidney injury, and the inhibited cell apoptosis and oxidative stress in the renal cortex. Furthermore, expression of sex-determining region Y box 9 (SOX9) and Toll-interacting protein (TOLLIP) in NRK-52E cells and the renal cortex was significantly upregulated after ISO treatment. Overexpression of SOX9 increased TOLLIP transcription and attenuated PQ-induced apoptosis and oxidative stress, whereas knockdown of SOX9 impaired the protective effects of ISO on NRK-52E cells against PQ toxicity. In conclusion, the present study demonstrated that ISO modulated SOX9/TOLLIP expression to attenuate cell apoptosis and oxidative stress in PQ-AKI, suggesting the potential of ISO in treating PQ-poisoned patients.
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Gong X, Li Y, He Y, Zhou F. USP7-SOX9-miR-96-5p-NLRP3 network regulates myocardial injury and cardiomyocyte pyroptosis in sepsis. Hum Gene Ther 2022; 33:1073-1090. [PMID: 35686454 DOI: 10.1089/hum.2022.078] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
Sepsis is a common life-threatening pathology. This study investigated the role of transcription factor sex-determining region Y (SRY)-box 9 (SOX9) in sepsis-induced cardiomyocyte pyroptosis. A murine model of sepsis was established, followed by detection of cardiac functions and myocardial injury. HL-1 cells were induced by lipopolysaccharides (LPS). The levels of IL-18, IL-1β, TNF-α, IL-6, MDA, and SOD in myocardial tissues and HL-1 cells were determined. SOX9 ubiquitination level was measured. The binding relationships between SOX9-miR-96-5p and miR-96-5p-NLRP3 were analyzed, and the interaction between ubiquitin-specific peptidase 7 (USP7) and SOX9 was measured. SOX9 was highly expressed in septic mice and LPS-induced HL-1 cells. SOX9 silencing improved cardiac function, alleviated myocardial injury, reduced the levels of IL-1β, IL-18, cleaved caspase-1, GSDMD-N, TNF-α, IL-6, and MDA in myocardial tissues and HL-1 cells, increased the level of SOD, and alleviated cardiomyocyte pyroptosis. USP7 upregulated SOX9 expression through deubiquitination. SOX9 inhibited miR-96-5p expression and miR-96-5p targeted NLRP3. miR-96-5p silencing or USP7 overexpression reversed the inhibitory effect of SOX9 silencing on cardiomyocyte pyroptosis. Collectively, USP7 upregulated SOX9 expression through deubiquitination, and SOX9 suppressed miR-96-5p expression by binding to the miR-96-5p promoter region, thereby promoting NLRP3 expression and then exacerbating sepsis-induced myocardial injury and cardiomyocyte pyroptosis.
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Affiliation(s)
- Xinran Gong
- Sichuan Academy of Medical Sciences • Sichuan Provincial People's Hospital, Department of Anesthesiology, Chengdu City, Sichuan Province, China;
| | - Yao Li
- Sichuan Academy of Medical Sciences • Sichuan Provincial People's Hospital, Department of Anesthesiology, Chengdu City, Sichuan Province, China;
| | - Yu He
- Sichuan Academy of Medical Sciences • Sichuan Provincial People's Hospital, Department of Anesthesiology, Chengdu City, Sichuan Province, China;
| | - Fang Zhou
- Sichuan Academy of Medical Sciences • Sichuan Provincial People's Hospital, Department of Anesthesiology, 32# W.Sec 2,1st Ring Rd, Qingyang District, Chengdu City, Sichuan Province, China, 610072;
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Shao N, Cheng J, Huang H, Gong X, Lu Y, Idris M, Peng X, Ong BX, Zhang Q, Xu F, Liu C. GASC1 promotes hepatocellular carcinoma progression by inhibiting the degradation of ROCK2. Cell Death Dis 2021; 12:253. [PMID: 33692332 PMCID: PMC7946911 DOI: 10.1038/s41419-021-03550-w] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2020] [Revised: 02/16/2021] [Accepted: 02/22/2021] [Indexed: 12/27/2022]
Abstract
Hepatocellular carcinoma (HCC) is a devastating malignancy without targeted therapeutic options. Our results indicated that the histone demethylase GASC1 signature is associated with later tumor stage and poorer survival in HCC patients. GASC1 depletion led to diminished HCC proliferation and tumor growth. A distinct heterogeneity in GASC1 levels was observed among HCC cell populations, predicting their inherent high or low tumor-initiating capacity. Mechanistically, GASC1 is involved in the regulation of several components of the Rho-GTPase signaling pathway including its downstream target ROCK2. GASC1 demethylase activity ensured the transcriptional repression of FBXO42, a ROCK2 protein-ubiquitin ligase, thereby inhibiting ROCK2 degradation via K63-linked poly-ubiquitination. Treatment with the GASC1 inhibitor SD70 impaired the growth of both HCC cell lines and xenografts in mice, sensitizing them to standard-of-care chemotherapy. This work identifies GASC1 as a malignant-cell-selective target in HCC, and GASC1-specific therapeutics represent promising candidates for new treatment options to control this malignancy.
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Affiliation(s)
- Na Shao
- Department of Infectious Diseases, The Second Affiliated Hospital of Chongqing Medical University, 400038, Chongqing, PR China
- Department of Biomedical Materials Science, School of Biomedical Engineering, Army Medical University, 400038, Chongqing, PR China
| | - Jiamin Cheng
- Comprehensive Liver Cancer Center, The Fifth Medical Center of Chinese PLA General Hospital, 100000, Beijing, PR China
| | - Hong Huang
- Clinical Medical Research Center, Southwest Hospital, Army Medical University, 400038, Chongqing, PR China
| | - Xiaoshan Gong
- Department of Biomedical Materials Science, School of Biomedical Engineering, Army Medical University, 400038, Chongqing, PR China
| | - Yongling Lu
- Clinical Medical Research Center, Southwest Hospital, Army Medical University, 400038, Chongqing, PR China
| | - Muhammad Idris
- Institute of Molecular and Cell Biology, Agency for Science, Technology and Research (A*STAR), Singapore, 138673, Republic of Singapore
| | - Xu Peng
- Institute of Molecular and Cell Biology, Agency for Science, Technology and Research (A*STAR), Singapore, 138673, Republic of Singapore
| | - Belinda X Ong
- Institute of Molecular and Cell Biology, Agency for Science, Technology and Research (A*STAR), Singapore, 138673, Republic of Singapore
- Department of Biochemistry, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, 117596, Republic of Singapore
| | - Qiongyi Zhang
- Institute of Molecular and Cell Biology, Agency for Science, Technology and Research (A*STAR), Singapore, 138673, Republic of Singapore
| | - Feng Xu
- Institute of Molecular and Cell Biology, Agency for Science, Technology and Research (A*STAR), Singapore, 138673, Republic of Singapore.
- Department of Biochemistry, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, 117596, Republic of Singapore.
| | - Chungang Liu
- Department of Infectious Diseases, The Second Affiliated Hospital of Chongqing Medical University, 400038, Chongqing, PR China.
- Institute of Molecular and Cell Biology, Agency for Science, Technology and Research (A*STAR), Singapore, 138673, Republic of Singapore.
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