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Xu H. High glucose promotes lipopolysaccharide-induced macrophage pyroptosis through GSDME O-GlcNAcylation. J Periodontal Res 2024. [PMID: 39319591 DOI: 10.1111/jre.13349] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2024] [Revised: 09/04/2024] [Accepted: 09/11/2024] [Indexed: 09/26/2024]
Abstract
AIM The high glucose (HG) environment in diabetic periodontitis aggravates the damage of periodontal tissue. Pyroptosis has been shown to be positively correlated with the severity of periodontitis, including macrophage pyroptosis. O-GlcNAcylation is a posttranslational modification that is involved in the pathogenesis of periodontitis. However, whether HG regulates macrophage pyroptosis through O-GlcNAcylation remains uncertain. This study aimed to investigate the effect of HG on the O-GlcNAcylation level of a pyroptosis regulator GSDME in macrophages to further probe the mechanisms of diabetic periodontitis. METHODS Blood samples were collected from patients with diabetic periodontitis. THP-1 monocytes were induced to differentiate into macrophages by phorbol 12-myristate 13-acetate and then treated with HG to simulate periodontitis in vitro. GSDME expression of blood samples and macrophages was measured by quantitative real-time PCR. Pyroptosis was assessed by propidium iodide staining, measurement of cell viability, cytotoxicity, protein levels of inflammation factors, and pyroptosis-related proteins. O-GlcNAcylation of GSDME was analyzed using co-immunoprecipitation (co-IP), IP, and western blot. RESULTS The results showed that GSDME expression was elevated in patients with periodontitis and HG-treated macrophages. HG inhibited cell viability but increased LDH content, levels of IL-1β, IL-18, TNF-α, NLRP3, GSDMD, and Caspase-1, indicating that HG promoted pyroptosis of macrophages, which was reversed by GSDME knockdown. HG treatment increased O-GlcNAcylation in macrophages. Mechanically, GSDME interacted with OGT, and OGT knockdown suppressed O-GlcNAcylation of GSDME at Ser (S)339 site. Knockdown of OGT inhibited pyroptosis in HG-treated macrophages, while GSDME overexpression partially reversed this inhibition. CONCLUSION HG treatment enhanced OGT-mediated GSDME O-GlcNAcylation, thereby augmenting pyroptosis in LPS-induced macrophages. These results may provide a novel sight for the treatment of periodontitis.
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Affiliation(s)
- Huifeng Xu
- Department of Stomatology, Inner Mongolia Autonomous Region People's Hospital, Hohhot City, Inner Mongolia, China
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Liu Y, Pan R, Ouyang Y, Gu W, Xiao T, Yang H, Tang L, Wang H, Xiang B, Chen P. Pyroptosis in health and disease: mechanisms, regulation and clinical perspective. Signal Transduct Target Ther 2024; 9:245. [PMID: 39300122 DOI: 10.1038/s41392-024-01958-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2024] [Revised: 08/14/2024] [Accepted: 08/26/2024] [Indexed: 09/22/2024] Open
Abstract
Pyroptosis is a type of programmed cell death characterized by cell swelling and osmotic lysis, resulting in cytomembrane rupture and release of immunostimulatory components, which play a role in several pathological processes. Significant cellular responses to various stimuli involve the formation of inflammasomes, maturation of inflammatory caspases, and caspase-mediated cleavage of gasdermin. The function of pyroptosis in disease is complex but not a simple angelic or demonic role. While inflammatory diseases such as sepsis are associated with uncontrollable pyroptosis, the potent immune response induced by pyroptosis can be exploited as a therapeutic target for anti-tumor therapy. Thus, a comprehensive review of the role of pyroptosis in disease is crucial for further research and clinical translation from bench to bedside. In this review, we summarize the recent advancements in understanding the role of pyroptosis in disease, covering the related development history, molecular mechanisms including canonical, non-canonical, caspase 3/8, and granzyme-mediated pathways, and its regulatory function in health and multiple diseases. Moreover, this review also provides updates on promising therapeutic strategies by applying novel small molecule inhibitors and traditional medicines to regulate pyroptosis. The present dilemmas and future directions in the landscape of pyroptosis are also discussed from a clinical perspective, providing clues for scientists to develop novel drugs targeting pyroptosis.
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Affiliation(s)
- Yifan Liu
- The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University/Hunan Cancer Hospital, Changsha, 410013, China
- Department of Oncology, Xiangya Hospital, Central South University, 87th Xiangya road, Changsha, 410008, Hunan province, China
| | - Renjie Pan
- The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University/Hunan Cancer Hospital, Changsha, 410013, China
| | - Yuzhen Ouyang
- The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University/Hunan Cancer Hospital, Changsha, 410013, China
- Department of Neurology, Xiangya Hospital, Central South University, 87th Xiangya road, Changsha, 410008, Hunan province, China
| | - Wangning Gu
- The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University/Hunan Cancer Hospital, Changsha, 410013, China
| | - Tengfei Xiao
- The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University/Hunan Cancer Hospital, Changsha, 410013, China
| | - Hongmin Yang
- The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University/Hunan Cancer Hospital, Changsha, 410013, China
| | - Ling Tang
- The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University/Hunan Cancer Hospital, Changsha, 410013, China
| | - Hui Wang
- The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University/Hunan Cancer Hospital, Changsha, 410013, China.
| | - Bo Xiang
- The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University/Hunan Cancer Hospital, Changsha, 410013, China.
| | - Pan Chen
- The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University/Hunan Cancer Hospital, Changsha, 410013, China.
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Liu K, Zan P, Li Z, Lu H, Liu P, Zhang L, Wang H, Ma X, Chen F, Zhao J, Sun W. Engineering Bimetallic Polyphenol for Mild Photothermal Osteosarcoma Therapy and Immune Microenvironment Remodeling by Activating Pyroptosis and cGAS-STING Pathway. Adv Healthc Mater 2024; 13:e2400623. [PMID: 38691766 DOI: 10.1002/adhm.202400623] [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: 02/28/2024] [Revised: 04/28/2024] [Indexed: 05/03/2024]
Abstract
The immunosuppressive tumor microenvironment (ITME) of osteosarcoma (OS) poses a significant obstacle to the efficacy of existing immunotherapies. Despite the attempt of novel immune strategies such as immune checkpoint inhibitors and tumor vaccines, their effectiveness remains suboptimal due to the inherent difficulty in mitigating ITME simultaneously from both the tumor and immune system. The promotion of anti-tumor immunity through the induction of immunogenic cell death and activation of the cGAS-STING pathway has emerged as potential strategies to counter the ITME and stimulate systemic antitumor immune responses. Here, a bimetallic polyphenol-based nanoplatform (Mn/Fe-Gallate nanoparticles coated with tumor cell membranes is presented, MFG@TCM) which combines with mild photothermal therapy (PTT) for reversing ITME via simultaneously inducing pyroptosis in OS cells and activating the cGAS-STING pathway in dendritic cells (DCs). The immunostimulatory pathways, through the syngeneic effect, exerted a substantial positive impact on promoting the secretion of damage-associated molecular patterns (DAMPs) and proinflammatory cytokines, which favors remodeling the immune microenvironment. Consequently, effector T cells led to a notable antitumor immune response, effectively inhibiting the growth of both primary and distant tumors. This study proposes a new method for treating OS using mild PTT and immune mudulation, showing promise in overcoming current treatment limitations.
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Affiliation(s)
- Kaiyuan Liu
- Department of Bone Tumor Surgery, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200080, P. R. China
| | - Pengfei Zan
- Department of Bone Tumor Surgery, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200080, P. R. China
| | - Zihua Li
- School of Medicine, Tongji University, Shanghai, 200072, P. R. China
| | - Hengli Lu
- School of Medicine, Tongji University, Shanghai, 200072, P. R. China
| | - Peng Liu
- Scientific Research Center, The Seventh Affiliated Hospital of Sun Yat-Sen University, No. 628 Zhenyuan Road, Shenzhen, Guangdong, 518107, P. R. China
| | - Li Zhang
- School of Medicine, Tongji University, Shanghai, 200072, P. R. China
| | - Hongsheng Wang
- Department of Bone Tumor Surgery, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200080, P. R. China
| | - Xiaojun Ma
- Department of Bone Tumor Surgery, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200080, P. R. China
| | - Feng Chen
- Shanghai Key Laboratory of Craniomaxillofacial Development and Diseases, Stomatological Hospital and School of Stomatology, Fudan University, Shanghai, 200001, P. R. China
| | - Jing Zhao
- Scientific Research Center, The Seventh Affiliated Hospital of Sun Yat-Sen University, No. 628 Zhenyuan Road, Shenzhen, Guangdong, 518107, P. R. China
| | - Wei Sun
- Department of Bone Tumor Surgery, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200080, P. R. China
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Tan J, Zhang C, Bao Z, Zhao H, Zhang L, Xu H. A new insight into the mechanism of dichlorodiphenyltrichloroethane-induced hepatotoxicity based on GSDME-mediated pyroptosis. PESTICIDE BIOCHEMISTRY AND PHYSIOLOGY 2024; 204:106030. [PMID: 39277358 DOI: 10.1016/j.pestbp.2024.106030] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/24/2024] [Revised: 06/28/2024] [Accepted: 07/13/2024] [Indexed: 09/17/2024]
Abstract
There have been persistent concerns about the safety risks associated with DDT residues in the environment. Studies have shown that exposure to DDT or its metabolites can cause various liver diseases. However, the mechanisms of liver toxicity haven't been well studied. In our current investigation, we observed that DDT triggers pyroptosis in human liver cells (HL-7702), representing a novel form of programmed cell death. Our results delineated DDT (0-100 μM) induced pyroptosis in HL-7702 cells, which was confirmed through morphological changes, lactate dehydrogenase (LDH) release, gasdermin E (GSDME) cleavage and Annexin-V/PI staining. Knockdown of GSDME reduced cell death and transferred the mode of cell death from pyroptosis to apoptosis. Notably, DDT exposure markedly increased reactive oxygen species (ROS) production, concurrent with c-Jun N-terminal kinase (JNK) phosphorylation. Intervention with a ROS inhibitor or JNK inhibitor SP600125 restored cell viability and hindered GSDME-mediated pyroptosis. Our results firstly demonstrate that DDT suppresses HL-7702 cells growth by inducing pyroptosis mainly through the ROS/JNK/GSDME pathway. These findings not only contribute to an in-depth understanding of DDT toxicity but also open avenues for gaining valuable insights into potential mitigation strategies and therapeutic interventions.
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Affiliation(s)
- Jiaqi Tan
- School of Pharmacy, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China; Engineering Research Center of Shanghai Colleges for TCM New Drug Discovery, Shanghai 201203, China; Tongde Hospital of Zhejiang Province, Hangzhou 310012, China
| | - Chu Zhang
- School of Pharmacy, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China; Engineering Research Center of Shanghai Colleges for TCM New Drug Discovery, Shanghai 201203, China
| | - Ziyi Bao
- School of Pharmacy, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China; Engineering Research Center of Shanghai Colleges for TCM New Drug Discovery, Shanghai 201203, China
| | - Hanyang Zhao
- School of Pharmacy, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China; Engineering Research Center of Shanghai Colleges for TCM New Drug Discovery, Shanghai 201203, China
| | - Li Zhang
- School of Pharmacy, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China; Engineering Research Center of Shanghai Colleges for TCM New Drug Discovery, Shanghai 201203, China.
| | - Hongxi Xu
- Shuguang Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China.
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Wu Q, Du J, Bae EJ, Choi Y. Pyroptosis in Skeleton Diseases: A Potential Therapeutic Target Based on Inflammatory Cell Death. Int J Mol Sci 2024; 25:9068. [PMID: 39201755 PMCID: PMC11354934 DOI: 10.3390/ijms25169068] [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: 06/25/2024] [Revised: 08/15/2024] [Accepted: 08/20/2024] [Indexed: 09/03/2024] Open
Abstract
Skeletal disorders, including fractures, osteoporosis, osteoarthritis, rheumatoid arthritis, and spinal degenerative conditions, along with associated spinal cord injuries, significantly impair daily life and impose a substantial burden. Many of these conditions are notably linked to inflammation, with some classified as inflammatory diseases. Pyroptosis, a newly recognized form of inflammatory cell death, is primarily triggered by inflammasomes and executed by caspases, leading to inflammation and cell death through gasdermin proteins. Emerging research underscores the pivotal role of pyroptosis in skeletal disorders. This review explores the pyroptosis signaling pathways and their involvement in skeletal diseases, the modulation of pyroptosis by other signals in these conditions, and the current evidence supporting the therapeutic potential of targeting pyroptosis in treating skeletal disorders, aiming to offer novel insights for their management.
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Affiliation(s)
- Qian Wu
- Department of Biochemistry and Molecular Biology, Jeonbuk National University Medical School, Jeonju 54896, Republic of Korea (J.D.)
| | - Jiacheng Du
- Department of Biochemistry and Molecular Biology, Jeonbuk National University Medical School, Jeonju 54896, Republic of Korea (J.D.)
| | - Eun Ju Bae
- School of Pharmacy, Jeonbuk National University, Jeonju 54896, Republic of Korea
| | - Yunjung Choi
- Division of Rheumatology, Department of Internal Medicine, Jeonbuk National University Medical School, Jeonju 54896, Republic of Korea
- Research Institute of Clinical Medicine of Jeonbuk National University-Biomedical Research Institute of Jeonbuk National University Hospital, Jeonju 54907, Republic of Korea
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Li Y, He Y, Yang F, Liang R, Xu W, Li Y, Cheng J, Liang B, Tang M, Shi X, Zhuang J, Luo M, Li L, Zhang R, Liu H, Jie H, Li X, Han X, Sun E, Zhai Z. Gasdermin E-mediated keratinocyte pyroptosis participates in the pathogenesis of psoriasis by promoting skin inflammation. Br J Dermatol 2024; 191:385-396. [PMID: 38655652 DOI: 10.1093/bjd/ljae179] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2023] [Revised: 02/29/2024] [Accepted: 04/18/2024] [Indexed: 04/26/2024]
Abstract
BACKGROUND Psoriasis is a common chronic inflammatory disease with an unclear aetiology. Keratinocytes in psoriasis are susceptible to exogenous triggers that induce inflammatory cell death. OBJECTIVES To investigate whether gasdermin E (GSDME)-mediated pyroptosis in keratinocytes contributes to the pathogenesis of psoriasis. METHODS Skin samples from patients with psoriasis and from healthy controls were collected to evaluate the expression of GSDME, cleaved caspase-3 and inflammatory factors. We then analysed the data series GSE41662 to further compare the expression of GSDME between lesional and nonlesional skin samples in those with psoriasis. In vivo, a caspase-3 inhibitor and GSDME-deficient mice (Gsdme-/-) were used to block caspase-3/GSDME activation in an imiquimod-induced psoriasis model. Skin inflammation, disease severity and pyroptosis-related proteins were analysed. In vitro, tumour necrosis factor (TNF)-α-induced caspase-3/GSDME-mediated pyroptosis in the HACAT cell line was explored. RESULTS Our analysis of the GSE41662 data series found that GSDME was upregulated in psoriasis lesions vs. normal skin. High levels of inflammatory cytokines such as interleukin (IL)-1β, IL-6 and TNF-α were also found in psoriasis lesions. In mice in the Gsdme-/- and caspase-3 inhibitor groups, the severity of skin inflammation was attenuated and GSDME and cleaved caspase-3 levels decreased after imiquimod treatment. Similarly, IL-1β, IL-6 and TNF-α expression was decreased in the Gsdme-/- and caspase-3 inhibitor groups. In vitro, TNF-α induced HACAT cell pyroptosis through caspase-3/GSDME pathway activation, which was suppressed by blocking caspase-3 or silencing Gsdme. CONCLUSIONS Our study provides a novel explanation of TNF-α/caspase-3/GSDME-mediated keratinocyte pyroptosis in the initiation and -acceleration of skin inflammation and the progression of psoriasis.
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Affiliation(s)
- Yingfei Li
- Department of Rheumatology and Immunology, The Third Affiliated Hospital, Southern Medical University, Guangzhou, China
- Department of Rheumatology and Immunology, Academy of Orthopedics, Guangdong Province, Guangdong Provincial Key Laboratory of Bone and Joint Degeneration Diseases, The Third Affiliated Hospital of Southern Medical University, Guangzhou, China
- Department of Clinical Immunology, Center for Orthopaedic Surgery, The Third Affiliated Hospital of Southern Medical University, Guangzhou, China
| | - Yi He
- Department of Rheumatology and Immunology, The Third Affiliated Hospital, Southern Medical University, Guangzhou, China
- Department of Rheumatology and Immunology, Academy of Orthopedics, Guangdong Province, Guangdong Provincial Key Laboratory of Bone and Joint Degeneration Diseases, The Third Affiliated Hospital of Southern Medical University, Guangzhou, China
- Department of Clinical Immunology, Center for Orthopaedic Surgery, The Third Affiliated Hospital of Southern Medical University, Guangzhou, China
| | - Fangyuan Yang
- Department of Rheumatology and Immunology, The Third Affiliated Hospital, Southern Medical University, Guangzhou, China
- Department of Rheumatology and Immunology, Academy of Orthopedics, Guangdong Province, Guangdong Provincial Key Laboratory of Bone and Joint Degeneration Diseases, The Third Affiliated Hospital of Southern Medical University, Guangzhou, China
- Department of Clinical Immunology, Center for Orthopaedic Surgery, The Third Affiliated Hospital of Southern Medical University, Guangzhou, China
| | - Rongmei Liang
- Department of Rheumatology and Immunology, The Third Affiliated Hospital, Southern Medical University, Guangzhou, China
- Department of Rheumatology and Immunology, Academy of Orthopedics, Guangdong Province, Guangdong Provincial Key Laboratory of Bone and Joint Degeneration Diseases, The Third Affiliated Hospital of Southern Medical University, Guangzhou, China
- Department of Clinical Immunology, Center for Orthopaedic Surgery, The Third Affiliated Hospital of Southern Medical University, Guangzhou, China
| | - Wenchao Xu
- Department of Rheumatology and Immunology, The Third Affiliated Hospital, Southern Medical University, Guangzhou, China
- Department of Rheumatology and Immunology, Academy of Orthopedics, Guangdong Province, Guangdong Provincial Key Laboratory of Bone and Joint Degeneration Diseases, The Third Affiliated Hospital of Southern Medical University, Guangzhou, China
- Department of Clinical Immunology, Center for Orthopaedic Surgery, The Third Affiliated Hospital of Southern Medical University, Guangzhou, China
| | - Yehao Li
- Department of Rheumatology and Immunology, The Third Affiliated Hospital, Southern Medical University, Guangzhou, China
- Department of Rheumatology and Immunology, Academy of Orthopedics, Guangdong Province, Guangdong Provincial Key Laboratory of Bone and Joint Degeneration Diseases, The Third Affiliated Hospital of Southern Medical University, Guangzhou, China
- Department of Clinical Immunology, Center for Orthopaedic Surgery, The Third Affiliated Hospital of Southern Medical University, Guangzhou, China
| | - Jingbo Cheng
- Department of Rheumatology and Immunology, Academy of Orthopedics, Guangdong Province, Guangdong Provincial Key Laboratory of Bone and Joint Degeneration Diseases, The Third Affiliated Hospital of Southern Medical University, Guangzhou, China
- Department of Clinical Immunology, Center for Orthopaedic Surgery, The Third Affiliated Hospital of Southern Medical University, Guangzhou, China
- Department of Anesthesiology, The Third Affiliated Hospital of Southern Medical University, Guangzhou, China
| | - Baozhu Liang
- Department of Rheumatology and Immunology, The Third Affiliated Hospital, Southern Medical University, Guangzhou, China
- Department of Rheumatology and Immunology, Academy of Orthopedics, Guangdong Province, Guangdong Provincial Key Laboratory of Bone and Joint Degeneration Diseases, The Third Affiliated Hospital of Southern Medical University, Guangzhou, China
- Department of Clinical Immunology, Center for Orthopaedic Surgery, The Third Affiliated Hospital of Southern Medical University, Guangzhou, China
| | - Ming Tang
- Department of Rheumatology and Immunology, The Third Affiliated Hospital, Southern Medical University, Guangzhou, China
- Department of Rheumatology and Immunology, Academy of Orthopedics, Guangdong Province, Guangdong Provincial Key Laboratory of Bone and Joint Degeneration Diseases, The Third Affiliated Hospital of Southern Medical University, Guangzhou, China
- Department of Clinical Immunology, Center for Orthopaedic Surgery, The Third Affiliated Hospital of Southern Medical University, Guangzhou, China
| | - Xingliang Shi
- Department of Rheumatology and Immunology, The Third Affiliated Hospital, Southern Medical University, Guangzhou, China
- Department of Rheumatology and Immunology, Academy of Orthopedics, Guangdong Province, Guangdong Provincial Key Laboratory of Bone and Joint Degeneration Diseases, The Third Affiliated Hospital of Southern Medical University, Guangzhou, China
- Department of Clinical Immunology, Center for Orthopaedic Surgery, The Third Affiliated Hospital of Southern Medical University, Guangzhou, China
| | - Jian Zhuang
- Department of Rheumatology and Immunology, The Third Affiliated Hospital, Southern Medical University, Guangzhou, China
- Department of Rheumatology and Immunology, Academy of Orthopedics, Guangdong Province, Guangdong Provincial Key Laboratory of Bone and Joint Degeneration Diseases, The Third Affiliated Hospital of Southern Medical University, Guangzhou, China
- Department of Clinical Immunology, Center for Orthopaedic Surgery, The Third Affiliated Hospital of Southern Medical University, Guangzhou, China
| | - Minshuang Luo
- Department of Rheumatology and Immunology, The Third Affiliated Hospital, Southern Medical University, Guangzhou, China
- Department of Rheumatology and Immunology, Academy of Orthopedics, Guangdong Province, Guangdong Provincial Key Laboratory of Bone and Joint Degeneration Diseases, The Third Affiliated Hospital of Southern Medical University, Guangzhou, China
- Department of Clinical Immunology, Center for Orthopaedic Surgery, The Third Affiliated Hospital of Southern Medical University, Guangzhou, China
| | - Liuying Li
- Department of Rheumatology and Immunology, The Third Affiliated Hospital, Southern Medical University, Guangzhou, China
- Department of Rheumatology and Immunology, Academy of Orthopedics, Guangdong Province, Guangdong Provincial Key Laboratory of Bone and Joint Degeneration Diseases, The Third Affiliated Hospital of Southern Medical University, Guangzhou, China
- Department of Clinical Immunology, Center for Orthopaedic Surgery, The Third Affiliated Hospital of Southern Medical University, Guangzhou, China
| | - Ruilin Zhang
- Department of Rheumatology and Immunology, The Third Affiliated Hospital, Southern Medical University, Guangzhou, China
- Department of Rheumatology and Immunology, Academy of Orthopedics, Guangdong Province, Guangdong Provincial Key Laboratory of Bone and Joint Degeneration Diseases, The Third Affiliated Hospital of Southern Medical University, Guangzhou, China
- Department of Clinical Immunology, Center for Orthopaedic Surgery, The Third Affiliated Hospital of Southern Medical University, Guangzhou, China
| | - Huijuan Liu
- Department of Rheumatology and Immunology, The Third Affiliated Hospital, Southern Medical University, Guangzhou, China
- Department of Rheumatology and Immunology, Academy of Orthopedics, Guangdong Province, Guangdong Provincial Key Laboratory of Bone and Joint Degeneration Diseases, The Third Affiliated Hospital of Southern Medical University, Guangzhou, China
- Department of Clinical Immunology, Center for Orthopaedic Surgery, The Third Affiliated Hospital of Southern Medical University, Guangzhou, China
| | - Hongyu Jie
- Department of Rheumatology and Immunology, The Third Affiliated Hospital, Southern Medical University, Guangzhou, China
- Department of Rheumatology and Immunology, Academy of Orthopedics, Guangdong Province, Guangdong Provincial Key Laboratory of Bone and Joint Degeneration Diseases, The Third Affiliated Hospital of Southern Medical University, Guangzhou, China
- Department of Clinical Immunology, Center for Orthopaedic Surgery, The Third Affiliated Hospital of Southern Medical University, Guangzhou, China
| | - Xing Li
- Department of Rheumatology and Immunology, The Third Affiliated Hospital, Southern Medical University, Guangzhou, China
- Department of Rheumatology and Immunology, Academy of Orthopedics, Guangdong Province, Guangdong Provincial Key Laboratory of Bone and Joint Degeneration Diseases, The Third Affiliated Hospital of Southern Medical University, Guangzhou, China
- Department of Clinical Immunology, Center for Orthopaedic Surgery, The Third Affiliated Hospital of Southern Medical University, Guangzhou, China
| | - Xinai Han
- Department of Rheumatology and Immunology, The Third Affiliated Hospital, Southern Medical University, Guangzhou, China
- Department of Rheumatology and Immunology, Academy of Orthopedics, Guangdong Province, Guangdong Provincial Key Laboratory of Bone and Joint Degeneration Diseases, The Third Affiliated Hospital of Southern Medical University, Guangzhou, China
- Department of Clinical Immunology, Center for Orthopaedic Surgery, The Third Affiliated Hospital of Southern Medical University, Guangzhou, China
| | - Erwei Sun
- Department of Rheumatology and Immunology, The Third Affiliated Hospital, Southern Medical University, Guangzhou, China
- Department of Rheumatology and Immunology, Academy of Orthopedics, Guangdong Province, Guangdong Provincial Key Laboratory of Bone and Joint Degeneration Diseases, The Third Affiliated Hospital of Southern Medical University, Guangzhou, China
- Department of Clinical Immunology, Center for Orthopaedic Surgery, The Third Affiliated Hospital of Southern Medical University, Guangzhou, China
| | - Zeqing Zhai
- Department of Rheumatology and Immunology, The Third Affiliated Hospital, Southern Medical University, Guangzhou, China
- Department of Rheumatology and Immunology, Academy of Orthopedics, Guangdong Province, Guangdong Provincial Key Laboratory of Bone and Joint Degeneration Diseases, The Third Affiliated Hospital of Southern Medical University, Guangzhou, China
- Department of Clinical Immunology, Center for Orthopaedic Surgery, The Third Affiliated Hospital of Southern Medical University, Guangzhou, China
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Ni Q, Sang K, Zhou J, Pan C. Role of miR-93-5p and Its Opposing Effect of Ionizing Radiation in Non-Small Cell Lung Cancer. Anal Cell Pathol (Amst) 2024; 2024:4218464. [PMID: 39157415 PMCID: PMC11330335 DOI: 10.1155/2024/4218464] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2023] [Revised: 04/09/2024] [Accepted: 07/17/2024] [Indexed: 08/20/2024] Open
Abstract
Background Radiation therapy is an effective local therapy for lung cancer. However, the interaction between genes and radiotherapy is multifaceted and intricate. Therefore, we explored the role of miR-93-5p in the proliferation, apoptosis, and migration abilities of A549 cells. Simultaneously, we also investigated the interactions between miR-93-5p and ionizing radiation (IR). Methods Cell Counting Kit-8, transwell, and apoptotic assay were performed to measure the proliferation, migration, and apoptosis abilities. The expression levels of miR-93-5p and its target gene in lung cancer were predicted using starBase v3.0. Then, data were validated using qPCR and western blot. Results miR-93-5p significantly promoted the proliferation (P < 0.01) and migration abilities (P < 0.001) of A549 cells. Gasdermin E (GSDME) was identified to be a putative target of miR-93-5p and had a negative correlation with miR-93-5p (P < 0.001). Overexpression of miR-93-5p significantly decreased GSDME in A549 (P < 0.001). Interestingly, miR-93-5p decreased cell proliferation (P < 0.01) and cell migration (P < 0.01) and increased apoptosis (P < 0.01) in A549 cells after exposure to IR. Conclusions miR-93-5p is presumed to play an oncogenic role in lung cancer by enhancing A549 cell proliferation and migration. It can enhance the sensitivity of radiotherapy under IR conditions. We speculate that the miR-93-5p/GSDME pathway was inhibited, activating the GSDME-related pyroptosis pathway when the cells were exposed to IR. Therefore, miR-93-5p can overcome resistance to radiotherapy and improve the efficacy of radiotherapy.
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Affiliation(s)
- Qingtao Ni
- Department of OncologyJiangsu Taizhou People's Hospital, The Affiliated Taizhou People's Hospital of Nanjing Medical UniversityTaizhou School of Clinical MedicineNanjing Medical University, Taizhou 225300, China
| | - Kai Sang
- Department of General SurgeryJiangsu Taizhou People's Hospital, The Affiliated Taizhou People's Hospital of Nanjing Medical UniversityTaizhou School of Clinical MedicineNanjing Medical University, Taizhou 225300, China
| | - Jian Zhou
- Department of General SurgeryJiangsu Taizhou People's Hospital, The Affiliated Taizhou People's Hospital of Nanjing Medical UniversityTaizhou School of Clinical MedicineNanjing Medical University, Taizhou 225300, China
| | - Chi Pan
- Department of General SurgeryJiangsu Taizhou People's Hospital, The Affiliated Taizhou People's Hospital of Nanjing Medical UniversityTaizhou School of Clinical MedicineNanjing Medical University, Taizhou 225300, China
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8
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Wu X, Cao J, Wan X, Du S. Programmed cell death in hepatocellular carcinoma: mechanisms and therapeutic prospects. Cell Death Discov 2024; 10:356. [PMID: 39117626 PMCID: PMC11310460 DOI: 10.1038/s41420-024-02116-x] [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: 03/16/2024] [Revised: 07/26/2024] [Accepted: 07/29/2024] [Indexed: 08/10/2024] Open
Abstract
Hepatocellular Carcinoma (HCC), the most common primary liver cancer, ranks as the third most common cause of cancer-related deaths globally. A deeper understanding of the cell death mechanisms in HCC is essential for developing more effective treatment strategies. This review explores programmed cell death (PCD) pathways involved in HCC, including apoptosis, necroptosis, pyroptosis, ferroptosis, and immunogenic cell death (ICD). These mechanisms trigger specific cell death cascades that influence the development and progression of HCC. Although multiple PCD pathways are involved in HCC, shared cellular factors suggest a possible interplay between the different forms of cell death. However, the exact roles of different cell death pathways in HCC and which cell death pathway plays a major role remain unclear. This review also highlights how disruptions in cell death pathways are related to drug resistance in cancer therapy, promoting a combined approach of cell death induction and anti-tumor treatment to enhance therapeutic efficacy. Further research is required to unravel the complex interplay between cell death modalities in HCC, which may lead to innovative therapeutic breakthroughs.
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Affiliation(s)
- Xiang'an Wu
- Department of Liver Surgery, Peking Union Medical College Hospital, PUMC and Chinese Academy of Medical Sciences, Dongcheng, Beijing, 100730, China
| | - Jingying Cao
- Zunyi Medical University, Zun Yi, Guizhou, 563000, China
| | - Xueshuai Wan
- Department of Liver Surgery, Peking Union Medical College Hospital, PUMC and Chinese Academy of Medical Sciences, Dongcheng, Beijing, 100730, China
| | - Shunda Du
- Department of Liver Surgery, Peking Union Medical College Hospital, PUMC and Chinese Academy of Medical Sciences, Dongcheng, Beijing, 100730, China.
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9
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Long Y, Jia X, Chu L. Insight into the structure, function and the tumor suppression effect of gasdermin E. Biochem Pharmacol 2024; 226:116348. [PMID: 38852642 DOI: 10.1016/j.bcp.2024.116348] [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: 04/01/2024] [Revised: 05/20/2024] [Accepted: 06/06/2024] [Indexed: 06/11/2024]
Abstract
Gasdermin E (GSDME), which is also known as DFNA5, was first identified as a deafness-related gene that is expressed in cochlear hair cells, and mutation of this gene causes autosomal dominant neurogenic hearing loss. Later studies revealed that GSDME is mostly expressed in the kidney, placenta, muscle and brain cells, but it is expressed at low levels in tumor cells. The GSDME gene encodes the GSDME protein, which is a member of the gasdermin (GSDM) family and has been shown to participate in the induction of apoptosis and pyroptosis. The current literature suggests that Caspase-3 and Granzyme B (Gzm B) can cleave GSDME to generate the active N-terminal fragment (GSDME-NT), which integrates with the cell membrane and forms pores in this membrane to induce pyroptosis. Furthermore, GSDME also forms pores in mitochondrial membranes to release apoptosis factors, such as cytochrome c (Cyt c) and high-temperature requirement protein A2 (HtrA2/Omi), and subsequently activates the intrinsic apoptosis pathway. In recent years, GSDME has been shown to exert tumor-suppressive effects, suggesting that it has potential therapeutic effects on tumors. In this review, we introduce the structure and function of GSDME and the mechanism by which it induces cell death, and we discuss its tumor suppressive effect.
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Affiliation(s)
- Yuge Long
- Hepatic Surgery Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, Hubei, China; College of Life Sciences and Medicine, Zhejiang Sci-Tech University, Hangzhou 310018, Zhejiang, China
| | - Xiaoyuan Jia
- College of Life Sciences and Medicine, Zhejiang Sci-Tech University, Hangzhou 310018, Zhejiang, China
| | - Liang Chu
- Hepatic Surgery Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, Hubei, China.
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10
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Jin X, Jin W, Tong L, Zhao J, Zhang L, Lin N. Therapeutic strategies of targeting non-apoptotic regulated cell death (RCD) with small-molecule compounds in cancer. Acta Pharm Sin B 2024; 14:2815-2853. [PMID: 39027232 PMCID: PMC11252466 DOI: 10.1016/j.apsb.2024.04.020] [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: 12/27/2023] [Revised: 02/29/2024] [Accepted: 03/18/2024] [Indexed: 07/20/2024] Open
Abstract
Regulated cell death (RCD) is a controlled form of cell death orchestrated by one or more cascading signaling pathways, making it amenable to pharmacological intervention. RCD subroutines can be categorized as apoptotic or non-apoptotic and play essential roles in maintaining homeostasis, facilitating development, and modulating immunity. Accumulating evidence has recently revealed that RCD evasion is frequently the primary cause of tumor survival. Several non-apoptotic RCD subroutines have garnered attention as promising cancer therapies due to their ability to induce tumor regression and prevent relapse, comparable to apoptosis. Moreover, they offer potential solutions for overcoming the acquired resistance of tumors toward apoptotic drugs. With an increasing understanding of the underlying mechanisms governing these non-apoptotic RCD subroutines, a growing number of small-molecule compounds targeting single or multiple pathways have been discovered, providing novel strategies for current cancer therapy. In this review, we comprehensively summarized the current regulatory mechanisms of the emerging non-apoptotic RCD subroutines, mainly including autophagy-dependent cell death, ferroptosis, cuproptosis, disulfidptosis, necroptosis, pyroptosis, alkaliptosis, oxeiptosis, parthanatos, mitochondrial permeability transition (MPT)-driven necrosis, entotic cell death, NETotic cell death, lysosome-dependent cell death, and immunogenic cell death (ICD). Furthermore, we focused on discussing the pharmacological regulatory mechanisms of related small-molecule compounds. In brief, these insightful findings may provide valuable guidance for investigating individual or collaborative targeting approaches towards different RCD subroutines, ultimately driving the discovery of novel small-molecule compounds that target RCD and significantly enhance future cancer therapeutics.
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Affiliation(s)
- Xin Jin
- Department of Ultrasound, Department of Medical Oncology and Department of Hematology, the First Hospital of China Medical University, China Medical University, Shenyang 110001, China
| | - Wenke Jin
- Sichuan Engineering Research Center for Biomimetic Synthesis of Natural Drugs, School of Life Science and Engineering, Southwest Jiaotong University, Chengdu 610031, China
| | - Linlin Tong
- Department of Ultrasound, Department of Medical Oncology and Department of Hematology, the First Hospital of China Medical University, China Medical University, Shenyang 110001, China
| | - Jia Zhao
- Department of Ultrasound, Department of Medical Oncology and Department of Hematology, the First Hospital of China Medical University, China Medical University, Shenyang 110001, China
| | - Lan Zhang
- Sichuan Engineering Research Center for Biomimetic Synthesis of Natural Drugs, School of Life Science and Engineering, Southwest Jiaotong University, Chengdu 610031, China
| | - Na Lin
- Department of Ultrasound, Department of Medical Oncology and Department of Hematology, the First Hospital of China Medical University, China Medical University, Shenyang 110001, China
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11
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Li H, Ye Z, Wang X, Yuan J, Guo J, Liu C, Yan B, Fan H, Lyu Y, Liu X. Intracellular magnetic hyperthermia reverses sorafenib resistance in hepatocellular carcinoma through its action on signaling pathways. iScience 2024; 27:110029. [PMID: 38883844 PMCID: PMC11176631 DOI: 10.1016/j.isci.2024.110029] [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: 02/21/2024] [Revised: 04/25/2024] [Accepted: 05/16/2024] [Indexed: 06/18/2024] Open
Abstract
Sorafenib, a first-line drug for advanced hepatocellular carcinoma (HCC), unfortunately encounters resistance in most patients, leading to disease progression. Traditional approaches to counteract this resistance, particularly those targeting the RAF-MEK-ERK pathway, often face clinical feasibility limitations. Magnetic hyperthermia (MH), unlike conventional thermal therapies, emerges as a promising alternative. It uniquely combines magnetothermal effects with an increase in reactive oxygen species (ROS). This study found the potential of intracellular MH enhanced the efficacy of sorafenib, increased cellular sensitivity to sorafenib, and reversed sorafenib resistance by inhibiting the RAF-MEK-ERK pathway in an ROS-dependent manner in a sorafenib-resistant HCC cell. Further, in a sorafenib-resistant HCC mouse model, MH significantly sensitized tumors to sorafenib therapy, resulting in inhibited tumor growth and improved survival rates. This presents a promising strategy to overcome sorafenib resistance in HCC, potentially enhancing therapeutic outcomes for patients with this challenging condition.
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Affiliation(s)
- Hugang Li
- National Local Joint Engineering Research Center for Precision Surgery & Regenerative Medicine; Shaanxi Province Center for Regenerative Medicine and Surgery Engineering Research; Shaanxi Provincial Key Laboratory of Magnetic Medicine; First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710061, China
- School of Future Technology, Xi'an Jiaotong University, Xi'an, Shaanxi 710049, China
| | - Zirui Ye
- National Local Joint Engineering Research Center for Precision Surgery & Regenerative Medicine; Shaanxi Province Center for Regenerative Medicine and Surgery Engineering Research; Shaanxi Provincial Key Laboratory of Magnetic Medicine; First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710061, China
- Institute of Regenerative and Reconstructive Medicine, Med-X Institute, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710049, China
| | - Xun Wang
- Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education; Provincial Key Laboratory of Biotechnology of Shaanxi Province, Northwest University, Xi'an, Shaanxi 710069, China
| | - Jianlan Yuan
- Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education; Provincial Key Laboratory of Biotechnology of Shaanxi Province, Northwest University, Xi'an, Shaanxi 710069, China
| | - Jingyi Guo
- Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education; Provincial Key Laboratory of Biotechnology of Shaanxi Province, Northwest University, Xi'an, Shaanxi 710069, China
| | - Chen Liu
- Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education; Provincial Key Laboratory of Biotechnology of Shaanxi Province, Northwest University, Xi'an, Shaanxi 710069, China
| | - Bin Yan
- National Local Joint Engineering Research Center for Precision Surgery & Regenerative Medicine; Shaanxi Province Center for Regenerative Medicine and Surgery Engineering Research; Shaanxi Provincial Key Laboratory of Magnetic Medicine; First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710061, China
- Institute of Regenerative and Reconstructive Medicine, Med-X Institute, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710049, China
| | - Haiming Fan
- Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education; Provincial Key Laboratory of Biotechnology of Shaanxi Province, Northwest University, Xi'an, Shaanxi 710069, China
- Key Laboratory of Synthetic and Natural Functional Molecule of the Ministry of Education, College of Chemistry and Materials Science, Northwest University, Xi'an 710127, China
| | - Yi Lyu
- National Local Joint Engineering Research Center for Precision Surgery & Regenerative Medicine; Shaanxi Province Center for Regenerative Medicine and Surgery Engineering Research; Shaanxi Provincial Key Laboratory of Magnetic Medicine; First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710061, China
- Institute of Regenerative and Reconstructive Medicine, Med-X Institute, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710049, China
- School of Future Technology, Xi'an Jiaotong University, Xi'an, Shaanxi 710049, China
| | - Xiaoli Liu
- National Local Joint Engineering Research Center for Precision Surgery & Regenerative Medicine; Shaanxi Province Center for Regenerative Medicine and Surgery Engineering Research; Shaanxi Provincial Key Laboratory of Magnetic Medicine; First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710061, China
- Institute of Regenerative and Reconstructive Medicine, Med-X Institute, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710049, China
- School of Future Technology, Xi'an Jiaotong University, Xi'an, Shaanxi 710049, China
- Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education; Provincial Key Laboratory of Biotechnology of Shaanxi Province, Northwest University, Xi'an, Shaanxi 710069, China
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12
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Jiang X, Zhu Z, Ding L, Du W, Pei D. ALKBH4 impedes 5-FU Sensitivity through suppressing GSDME induced pyroptosis in gastric cancer. Cell Death Dis 2024; 15:435. [PMID: 38902235 PMCID: PMC11189908 DOI: 10.1038/s41419-024-06832-1] [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: 01/22/2024] [Revised: 06/06/2024] [Accepted: 06/12/2024] [Indexed: 06/22/2024]
Abstract
5-Fluorouracil (5-FU) is the primary treatment option for advanced gastric cancer. However, the current challenge lies in the absence of validated biomarkers to accurately predict the efficacy and sensitivity of 5-FU in individual patients. It has been confirmed that 5-FU can regulate tumor progression by promoting gasdermin E (GSDME, encoded by DFNA5) cleavage to induce pyroptosis. Lysine demethylase ALKBH4 has been shown to be upregulated in a variety of tumors to promote tumor progression. However, its role in gastric cancer is not clear. In this study, we observed a significant upregulation of ALKBH4 expression in gastric cancer tissues compared to adjacent normal tissues, indicating its potential as a predictor for the poor prognosis of gastric cancer patients. On the contrary, GSDME exhibits low expression levels in gastric cancer and demonstrates a negative correlation with poor prognosis among patients diagnosed with gastric cancer. In addition, we also found that high expression of ALKBH4 can inhibit pyroptosis and promote the proliferation of gastric cancer cells. Mechanistically, ALKBH4 inhibits GSDME activation at the transcriptional level by inhibiting H3K4me3 histone modification in the GSDME promoter region, thereby reducing the sensitivity of gastric cancer cells to 5-FU treatment. These findings provide further insight into the regulatory mechanisms of ALKBH4 in the progression of gastric cancer and underscore its potential as a prognostic marker for predicting the sensitivity of gastric cancer cells to 5-FU treatment.
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Affiliation(s)
- Xin Jiang
- Department of Pathology, School of Basic Medical Sciences, Xuzhou Medical University, Xuzhou, 221004, China
| | - Zhiman Zhu
- Department of Pathology, School of Basic Medical Sciences, Xuzhou Medical University, Xuzhou, 221004, China
| | - Lina Ding
- Department of Pathology, School of Basic Medical Sciences, Xuzhou Medical University, Xuzhou, 221004, China
| | - Wenqi Du
- Department of Human Anatomy, School of Basic Medical Sciences, Xuzhou Medical University, Xuzhou, 221004, China.
| | - Dongsheng Pei
- Department of Pathology, School of Basic Medical Sciences, Xuzhou Medical University, Xuzhou, 221004, China.
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13
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Cheng C, Hsu SK, Chen YC, Liu W, Shu ED, Chien CM, Chiu CC, Chang WT. Burning down the house: Pyroptosis in the tumor microenvironment of hepatocellular carcinoma. Life Sci 2024; 347:122627. [PMID: 38614301 DOI: 10.1016/j.lfs.2024.122627] [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: 11/20/2023] [Revised: 03/20/2024] [Accepted: 04/10/2024] [Indexed: 04/15/2024]
Abstract
A high mortality rate makes hepatocellular carcinoma (HCC) a difficult cancer to treat. When surgery is not possible, liver cancer patients are treated with chemotherapy. However, HCC management and treatment are difficult. Sorafenib, which is a first-line treatment for hepatocellular carcinoma, initially slows disease progression. However, sorafenib resistance limits patient survival. Recent studies have linked HCC to programmed cell death, which has increased researcher interest in therapies targeting cell death. Pyroptosis, which is an inflammatory mode of programmed cell death, may be targeted to treat HCC. Pyroptosis pathways, executors, and effects are examined in this paper. This review summarizes how pyroptosis affects the tumor microenvironment (TME) in HCC, including the role of cytokines such as IL-1β and IL-18 in regulating immune responses. The use of chemotherapies and their ability to induce cancer cell pyroptosis as alternative treatments and combining them with other drugs to reduce side effects is also discussed. In conclusion, we highlight the potential of inducing pyroptosis to treat HCC and suggest ways to improve patient outcomes. Studies on cancer cell pyroptosis may lead to new HCC treatments.
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Affiliation(s)
- Chi Cheng
- School of Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan
| | - Sheng-Kai Hsu
- Department of Biotechnology, Kaohsiung Medical University, Kaohsiung 807, Taiwan
| | - Yen-Chun Chen
- Department of Biotechnology, Kaohsiung Medical University, Kaohsiung 807, Taiwan
| | - Wangta Liu
- Department of Biotechnology, Kaohsiung Medical University, Kaohsiung 807, Taiwan
| | - En-De Shu
- Department of Biotechnology, Kaohsiung Medical University, Kaohsiung 807, Taiwan
| | - Ching-Ming Chien
- Department of Medical Sciences Industry, College of Health Sciences, Chang Jung Christian University, Tainan 711, Taiwan
| | - Chien-Chih Chiu
- Department of Biotechnology, Kaohsiung Medical University, Kaohsiung 807, Taiwan; Center for Cancer Research, Kaohsiung Medical University, Kaohsiung 807, Taiwan; Department of Biological Sciences, National Sun Yat-Sen University, Kaohsiung 804, Taiwan; Department of Medical Research, Kaohsiung Medical University Hospital, Kaohsiung 807, Taiwan; The Graduate Institute of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan.
| | - Wen-Tsan Chang
- Division of General and Digestive Surgery, Department of Surgery, Kaohsiung Medical University Hospital, Kaohsiung 807, Taiwan; Department of Surgery, School of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan.
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14
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Ji F, Shi C, Shu Z, Li Z. Nanomaterials Enhance Pyroptosis-Based Tumor Immunotherapy. Int J Nanomedicine 2024; 19:5545-5579. [PMID: 38882539 PMCID: PMC11178094 DOI: 10.2147/ijn.s457309] [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: 01/15/2024] [Accepted: 05/22/2024] [Indexed: 06/18/2024] Open
Abstract
Pyroptosis, a pro-inflammatory and lytic programmed cell death pathway, possesses great potential for antitumor immunotherapy. By releasing cellular contents and a large number of pro-inflammatory factors, tumor cell pyroptosis can promote dendritic cell maturation, increase the intratumoral infiltration of cytotoxic T cells and natural killer cells, and reduce the number of immunosuppressive cells within the tumor. However, the efficient induction of pyroptosis and prevention of damage to normal tissues or cells is an urgent concern to be addressed. Recently, a wide variety of nanoplatforms have been designed to precisely trigger pyroptosis and activate the antitumor immune responses. This review provides an update on the progress in nanotechnology for enhancing pyroptosis-based tumor immunotherapy. Nanomaterials have shown great advantages in triggering pyroptosis by delivering pyroptosis initiators to tumors, increasing oxidative stress in tumor cells, and inducing intracellular osmotic pressure changes or ion imbalances. In addition, the challenges and future perspectives in this field are proposed to advance the clinical translation of pyroptosis-inducing nanomedicines.
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Affiliation(s)
- Fujian Ji
- Department of Gastrointestinal and Colorectal Surgery, China-Japan Union Hospital of Jilin University, Changchun, 130033, People’s Republic of China
| | - Chunyu Shi
- Department of Gastrointestinal and Colorectal Surgery, China-Japan Union Hospital of Jilin University, Changchun, 130033, People’s Republic of China
| | - Zhenbo Shu
- Department of Gastrointestinal and Colorectal Surgery, China-Japan Union Hospital of Jilin University, Changchun, 130033, People’s Republic of China
| | - Zhongmin Li
- Department of Gastrointestinal and Colorectal Surgery, China-Japan Union Hospital of Jilin University, Changchun, 130033, People’s Republic of China
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Li Z, Bao Z, Tan J, Chen G, Ye B, Zhao J, Zhang L, Xu H. Neobractatin induces pyroptosis of esophageal cancer cells by TOM20/BAX signaling pathway. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2024; 128:155547. [PMID: 38547615 DOI: 10.1016/j.phymed.2024.155547] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/04/2023] [Revised: 01/29/2024] [Accepted: 03/17/2024] [Indexed: 05/01/2024]
Abstract
BACKGROUND Emerging evidence suggests that pyroptosis, a form of programmed cell death, has been implicated in cancer progression. The involvement of specific proteins in pyroptosis is an area of growing interest. TOM20, an outer mitochondrial membrane protein, has recently garnered attention for its potential role in pyroptosis. Our previous study found that NBT could induce pyroptosis by ROS/JNK pathway in esophageal cancer cells. PURPOSE This study aims to investigate whether NBT induces pyroptosis and verify whether such effects are involved in up-regulation of TOM20 in esophageal cancer cells. METHODS The University of ALabama at Birmingham CANcer data analysis Portal (UALCAN) was used to analyze the clinical significance of GSDME in esophageal cancer. MTT assay, morphological observation and Western blot were performed to verify the roles of TOM20 and BAX in NBT-induced pyroptosis after CRISPR-Cas9-mediated knockout. Immunofluorescence was used to determine the subcellular locations of BAX and cytochrome c. MitoSOX Red was employed to assess the mitochondrial reactive oxygen species (ROS) level. KYSE450 and TOM20 knockout KYSE450-/- xenograft models were established to elucidate the mechanisms involved in NBT-induced cell death. RESULTS In this study, NBT effectively upregulated the expression of TOM20 and facilitated the translocation of BAX to mitochondria, which promoted the release of cytochrome c from mitochondria to the cytoplasm, leading to the activation of caspase-9 and caspase-3, and finally induced pyroptosis. Knocking out TOM20 by CRISPR-Cas9 significantly inhibited the expression of BAX and the downstream BAX/caspase-3/GSDME pathway, which attenuated NBT-induced pyroptosis. The elevated mitochondrial ROS level was observed after NBT treatment. Remarkably, the inhibition of ROS by N-acetylcysteine (NAC) effectively suppressed the activation of TOM20/BAX pathway. Moreover, in vivo experiments demonstrated that NBT exhibited potent antitumor effects in both KYSE450 and TOM20 knockout KYSE450-/- xenograft models. Notably, the attenuated antitumor effects and reduced cleavage of GSDME were observed in the TOM20 knockout model. CONCLUSION These findings reveal that NBT induces pyroptosis through ROS/TOM20/BAX/GSDME pathway, which highlight the therapeutic potential of targeting TOM20 and GSDME, providing promising prospects for the development of innovative and effective treatment approaches for esophageal cancer.
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Affiliation(s)
- Zhuo Li
- School of Pharmacy, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China; Engineering Research Center of Shanghai Colleges for TCM New Drug Discovery, Shanghai, 201203, China
| | - Ziyi Bao
- School of Pharmacy, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China; Engineering Research Center of Shanghai Colleges for TCM New Drug Discovery, Shanghai, 201203, China
| | - Jiaqi Tan
- School of Pharmacy, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China; Engineering Research Center of Shanghai Colleges for TCM New Drug Discovery, Shanghai, 201203, China
| | - Gan Chen
- School of Pharmacy, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China; Engineering Research Center of Shanghai Colleges for TCM New Drug Discovery, Shanghai, 201203, China
| | - Bingying Ye
- School of Pharmacy, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China
| | - Juan Zhao
- School of Pharmacy, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China
| | - Li Zhang
- School of Pharmacy, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China; Engineering Research Center of Shanghai Colleges for TCM New Drug Discovery, Shanghai, 201203, China.
| | - Hongxi Xu
- Shuguang Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China.
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Wang X, Ye S, Tong L, Gao J, Zhang Y, Qin Y. Inhibition of ROS/caspase-3/GSDME-mediated pyroptosis alleviates high glucose-induced injury in AML-12 cells. Toxicol In Vitro 2024; 98:105840. [PMID: 38723977 DOI: 10.1016/j.tiv.2024.105840] [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: 11/12/2023] [Revised: 05/04/2024] [Accepted: 05/06/2024] [Indexed: 05/14/2024]
Abstract
Diabetic liver injury (DLI) is a chronic complication of the liver caused by diabetes, and its has become one of the main causes of nonalcoholic fatty liver disease (NAFLD). The gasdermin E (GSDME)-dependent pyroptosis signaling pathway is involved in various physiological and pathological processes; however, its role and mechanism in DLI are still unknown. This study was performed to investigate the role of GSDME-mediated pyroptosis in AML-12 cell injury induced by high glucose and to evaluate the therapeutic potential of caspase-3 inhibition for DLI. The results showed that high glucose activated apoptosis by regulating the apoptotic protein levels including Bax, Bcl-2, and enhanced cleavage of caspase-3 and PARP. Notably, some of the hepatocytes treated with high glucose became swollen, accompanied by GSDME-N generation, indicating that pyroptosis was further induced by active caspase-3. Moreover, the effects of high glucose on AML-12 cells could be partly reversed by a reactive oxygen scavenger (NAC) and caspase-3 specific inhibitor (Z-DEVD-FMK), which suggests high glucose induced GSDME-dependent pyroptosis in AML-12 cells through increasing ROS levels and activating caspase-3. In conclusion, our results show that high glucose can induce pyroptosis in AML-12 cells, at least in part, through the ROS/caspase-3/GSDME pathway,and inhibition of caspase-3 can ameliorate high glucose-induced hepatocyte injury, providing an important basis for clarifying the pathogenesis and treatment of DLI.
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Affiliation(s)
- Xinrui Wang
- Department of Physiology and Pathophysiology, School of Basic Medicine, Dali University, Dali, Yunnan 671000, China
| | - Shengying Ye
- Department of Physiology and Pathophysiology, School of Basic Medicine, Dali University, Dali, Yunnan 671000, China
| | - Linge Tong
- Department of Physiology and Pathophysiology, School of Basic Medicine, Dali University, Dali, Yunnan 671000, China
| | - Jingwen Gao
- Department of Physiology and Pathophysiology, School of Basic Medicine, Dali University, Dali, Yunnan 671000, China
| | - Yixin Zhang
- Department of Physiology and Pathophysiology, School of Basic Medicine, Dali University, Dali, Yunnan 671000, China
| | - Yan Qin
- Department of Physiology and Pathophysiology, School of Basic Medicine, Dali University, Dali, Yunnan 671000, China.
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Tuersuntuoheti M, Peng F, Li J, Zhou L, Gao H, Gong H. PLCE1 enhances mitochondrial dysfunction to promote GSDME-mediated pyroptosis in doxorubicin-induced cardiotoxicity. Biochem Pharmacol 2024; 223:116142. [PMID: 38499110 DOI: 10.1016/j.bcp.2024.116142] [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: 12/22/2023] [Revised: 03/06/2024] [Accepted: 03/15/2024] [Indexed: 03/20/2024]
Abstract
BACKGROUND The therapeutic value and long-term application of doxorubicin (DOX) were hampered by its severe irreversible cardiotoxicity. Phospholipase C epsilon 1 (PLCE 1) was reported as a new member of the phospholipase C (PLC) family which controls the level of phosphoinositides in cells. Pyroptosis is a newly discovered inflammatory type of regulated cell death. Recent studies have consolidated that chemotherapeutic drugs lead to pyroptosis. Additionally, the phosphoinositide signaling system has remarkable effects on the execution of cell death. We aim to investigate the role of PLCE1 and the mechanism of pyroptosis from the context of DOX-induced cardiotoxicity. METHODS In the current study, in vitro and in vivo experiments were performed to dissect the underlying mechanism of cardiomyocyte pyroptosis during DOX-induced cardiac injury. The molecular mechanism of PLCE1 was identified by the human cardiomyocyte AC16 cell line and C57BL/6 mouse model. RESULTS The results here indicated that PLCE1 high expressed and pyroptotic cell death presented in cardiomyocytes after DOX application, which was negatively correlated to heart function. DOX-induced cell model disclosed pyroptosis mediated by Gasdermin E (GSDME) protein and involved in mitochondrial damage. Conversely, the deletion of PLCE1 ameliorated mitochondrial dysfunction by suppressing ROS accumulation and reversing mitochondrial membrane potential, and then increased cell viability effectively. More importantly, the in vivo experiment demonstrated that inhibition of PLCE1 reduced pyroptotic cell death and improved heart effect. CONCLUSIONS We discovered firstly that PLCE1 inhibition protected cardiomyocytes from DOX-induced pyroptotic injury and promoted cardiac function. This information offers a theoretical basis for promising therapy.
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Affiliation(s)
- Maierhaba Tuersuntuoheti
- Department of Cardiology, Jinshan Hospital, Fudan University, Shanghai, China; Department of Internal Medicine, Shanghai Medical College, Fudan University, Shanghai, China
| | - Fei Peng
- Department of Cardiology, Jinshan Hospital, Fudan University, Shanghai, China
| | - Juexing Li
- Department of Cardiology, Jinshan Hospital, Fudan University, Shanghai, China; Department of Internal Medicine, Shanghai Medical College, Fudan University, Shanghai, China
| | - Lei Zhou
- Department of Cardiology, Jinshan Hospital, Fudan University, Shanghai, China
| | - Hailan Gao
- Department of Cardiology, Jinshan Hospital, Fudan University, Shanghai, China; Department of Internal Medicine, Shanghai Medical College, Fudan University, Shanghai, China
| | - Hui Gong
- Department of Cardiology, Jinshan Hospital, Fudan University, Shanghai, China; Department of Internal Medicine, Shanghai Medical College, Fudan University, Shanghai, China.
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18
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Yang S, Hu C, Chen X, Tang Y, Li J, Yang H, Yang Y, Ying B, Xiao X, Li SZ, Gu L, Zhu Y. Crosstalk between metabolism and cell death in tumorigenesis. Mol Cancer 2024; 23:71. [PMID: 38575922 PMCID: PMC10993426 DOI: 10.1186/s12943-024-01977-1] [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: 06/17/2023] [Accepted: 03/02/2024] [Indexed: 04/06/2024] Open
Abstract
It is generally recognized that tumor cells proliferate more rapidly than normal cells. Due to such an abnormally rapid proliferation rate, cancer cells constantly encounter the limits of insufficient oxygen and nutrient supplies. To satisfy their growth needs and resist adverse environmental events, tumor cells modify the metabolic pathways to produce both extra energies and substances required for rapid growth. Realizing the metabolic characters special for tumor cells will be helpful for eliminating them during therapy. Cell death is a hot topic of long-term study and targeting cell death is one of the most effective ways to repress tumor growth. Many studies have successfully demonstrated that metabolism is inextricably linked to cell death of cancer cells. Here we summarize the recently identified metabolic characters that specifically impact on different types of cell deaths and discuss their roles in tumorigenesis.
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Affiliation(s)
- Shichao Yang
- School of Medicine, Chongqing University, Chongqing, 400030, P. R. China
| | - Caden Hu
- School of Medicine, Chongqing University, Chongqing, 400030, P. R. China
| | - Xiaomei Chen
- School of Medicine, Chongqing University, Chongqing, 400030, P. R. China
| | - Yi Tang
- Molecular Medicine Diagnostic and Testing Center, Chongqing Medical University, Chongqing, P. R. China
- Department of Pathology, College of Basic Medicine, Chongqing Medical University, Chongqing, P. R. China
| | - Juanjuan Li
- Department of breast and thyroid surgery, Renmin hospital of Wuhan University, Wuhan, 430060, P. R. China
| | - Hanqing Yang
- School of Medicine, Chongqing University, Chongqing, 400030, P. R. China
| | - Yi Yang
- Institute of Pathology and Southwest Cancer Center, The First Affiliated Hospital, Key Laboratory of Tumor Immunopathology, Third Military Medical University (Army Medical University, Ministry of Education of China, Chongqing, 400038, P. R. China
| | - Binwu Ying
- Department of Laboratory Medicine/Clinical Laboratory Medicine Research Center, West China Hospital, Sichuan University, Chengdu, Sichuan Province, 610041, P. R. China.
| | - Xue Xiao
- Department of Gynecology and Obstetrics, West China Second University Hospital, Sichuan University, Chengdu, P. R. China.
- Key Laboratory of Birth Defects and Related Diseases of Women and Children (Sichuan University), Ministry of Education, West China Second Hospital, Sichuan University, Chengdu, P. R. China.
| | - Shang-Ze Li
- School of Medicine, Chongqing University, Chongqing, 400030, P. R. China.
| | - Li Gu
- Department of Laboratory Medicine/Clinical Laboratory Medicine Research Center, West China Hospital, Sichuan University, Chengdu, Sichuan Province, 610041, P. R. China.
| | - Yahui Zhu
- School of Medicine, Chongqing University, Chongqing, 400030, P. R. China.
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19
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Sun C, Zhan J, Li Y, Zhou C, Huang S, Zhu X, Huang K. Non-apoptotic regulated cell death mediates reprogramming of the tumour immune microenvironment by macrophages. J Cell Mol Med 2024; 28:e18348. [PMID: 38652105 PMCID: PMC11037416 DOI: 10.1111/jcmm.18348] [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: 11/24/2023] [Revised: 02/23/2024] [Accepted: 04/08/2024] [Indexed: 04/25/2024] Open
Abstract
Tumour immune microenvironment (TIME) plays an indispensable role in tumour progression, and tumour-associated macrophages (TAMs) are the most abundant immune cells in TIME. Non-apoptotic regulated cell death (RCD) can avoid the influence of tumour apoptosis resistance on anti-tumour immune response. Specifically, autophagy, ferroptosis, pyroptosis and necroptosis mediate the crosstalk between TAMs and tumour cells in TIME, thus reprogram TIME and affect the progress of tumour. In addition, although some achievements have been made in immune checkpoint inhibitors (ICIs), there is still defect that ICIs are only effective for some people because non-apoptotic RCD can bypass the apoptosis resistance of tumour. As a result, ICIs combined with targeting non-apoptotic RCD may be a promising solution. In this paper, the basic molecular mechanism of non-apoptotic RCD, the way in which non-apoptotic RCD mediates crosstalk between TAMs and tumour cells to reprogram TIME, and the latest research progress in targeting non-apoptotic RCD and ICIs are reviewed.
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Affiliation(s)
- Chengpeng Sun
- Department of NeurosurgeryThe Second Affiliated Hospital, Jiangxi Medical College, Nanchang UniversityNanchangJiangxiP. R. China
- HuanKui Academy, Jiangxi Medical College, Nanchang UniversityNanchangJiangxiChina
| | - Jianhao Zhan
- HuanKui Academy, Jiangxi Medical College, Nanchang UniversityNanchangJiangxiChina
| | - Yao Li
- The First Clinical Medical College, Jiangxi Medical College, Nanchang UniversityNanchangJiangxiChina
| | - Chulin Zhou
- The Second Clinical Medical College, Jiangxi Medical College, Nanchang UniversityNanchangJiangxiChina
| | - Shuo Huang
- The Second Clinical Medical College, Jiangxi Medical College, Nanchang UniversityNanchangJiangxiChina
| | - Xingen Zhu
- Department of NeurosurgeryThe Second Affiliated Hospital, Jiangxi Medical College, Nanchang UniversityNanchangJiangxiP. R. China
- Institute of Neuroscience, Jiangxi Medical College, Nanchang UniversityNanchangJiangxiP. R. China
- Jiangxi Key Laboratory of Neurological Tumors and Cerebrovascular DiseasesNanchangChina
- JXHC Key Laboratory of Neurological MedicineNanchangJiangxiP. R. China
| | - Kai Huang
- Department of NeurosurgeryThe Second Affiliated Hospital, Jiangxi Medical College, Nanchang UniversityNanchangJiangxiP. R. China
- Institute of Neuroscience, Jiangxi Medical College, Nanchang UniversityNanchangJiangxiP. R. China
- Jiangxi Key Laboratory of Neurological Tumors and Cerebrovascular DiseasesNanchangChina
- JXHC Key Laboratory of Neurological MedicineNanchangJiangxiP. R. China
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20
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Tian W, Zhang P, Yang L, Song P, Zhao J, Wang H, Zhao Y, Cao L. Astragaloside IV Alleviates Doxorubicin-Induced Cardiotoxicity by Inhibiting Cardiomyocyte Pyroptosis through the SIRT1/NLRP3 Pathway. THE AMERICAN JOURNAL OF CHINESE MEDICINE 2024; 52:453-469. [PMID: 38490806 DOI: 10.1142/s0192415x24500198] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/17/2024]
Abstract
Doxorubicin (DOX) is a powerful anthracycline antineoplastic drug used to treat a wide spectrum of tumors. However, its clinical application is limited due to cardiotoxic side effects. Astragaloside IV (AS IV), one of the major compounds present in aqueous extracts of Astragalus membranaceus, possesses potent cardiovascular protective properties, but the underlying molecular mechanisms are unclear. Thus, the aim of this study was to investigate the effect of AS IV on DOX-induced cardiotoxicity (DIC). Our findings revealed that DOX induced pyroptosis through the caspase-1/gasdermin D (GSDMD) and caspase-3/gasdermin E (GSDME) pathways. AS IV treatment significantly improved the cardiac function and alleviated myocardial injury in DOX-exposed mice by regulating intestinal flora and inhibiting pyroptosis; markedly suppressed the levels of cleaved caspase-1, N-GSDMD, cleaved caspase-3, and N-GSDME; and reversed DOX-induced downregulation of silent information regulator 1 (SIRT1) and activation of the NLR family pyrin domain containing 3 (NLRP3) inflammasome in mice. The SIRT1 inhibitor EX527 significantly blocked the protective effects of AS IV. Collectively, our results suggest that AS IV protects against DIC by inhibiting pyroptosis through the SIRT1/NLRP3 pathway.
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Affiliation(s)
- Wencong Tian
- Department of General Surgery, Tianjin Union Medical Center, Tianjin 300122, P. R. China
| | - Ping Zhang
- Department of Cardiology, Tianjin Nankai Hospital, Tianjin 300100, P. R. China
| | - Lei Yang
- Tianjin Key Laboratory of Acute Abdomen Disease Associated, Organ Injury and ITCWM Repair, Tianjin Nankai Hospital, Tianjin 300100, P. R. China
| | - Peng Song
- Department of General Surgery, Tianjin Union Medical Center, Tianjin 300122, P. R. China
| | - Jia Zhao
- Department of General Surgery, Tianjin Union Medical Center, Tianjin 300122, P. R. China
| | - Hongzhi Wang
- Department of General Surgery, Tianjin Union Medical Center, Tianjin 300122, P. R. China
| | - Yongjie Zhao
- Department of General Surgery, Tianjin Union Medical Center, Tianjin 300122, P. R. China
- Tianjin Key Laboratory of General Surgery in Construction, Tianjin Union Medical Center, Tianjin 300122, P. R. China
| | - Lei Cao
- Department of General Surgery, Tianjin Union Medical Center, Tianjin 300122, P. R. China
- Tianjin Key Laboratory of General Surgery in Construction, Tianjin Union Medical Center, Tianjin 300122, P. R. China
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21
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Li Z, Ma B, Xu H, Gong M, Gao P, Wang L, Xie J. Divinyl sulfone, an oxidative metabolite of sulfur mustard, induces caspase-independent pyroptosis in hepatocytes. Arch Toxicol 2024; 98:897-909. [PMID: 38172301 DOI: 10.1007/s00204-023-03662-6] [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: 10/10/2023] [Accepted: 12/07/2023] [Indexed: 01/05/2024]
Abstract
Sulfur mustard (SM) is a highly toxic blister agent which has been used many times in several wars and conflicts and caused heavy casualties. Ease of production and lack of effective therapies make SM a potential threat to public health. SM intoxication causes severe damage on various target organs, such as the skin, eyes, and lungs. In addition, SM exposure can also lead to hepatotoxicity and severe liver injuries. However, despite decades of research, the molecular mechanism underlying SM-induced liver damage remains obscure. SM can be converted into various products via complex hepatic metabolism in vivo. There are some pieces of evidence that one of the oxidation products of SM, divinyl sulfone (DVS), exhibits even more significant toxicity than SM. Nevertheless, the molecular toxicology of DVS is still hardly known. In the present study, we confirmed that DVS is even more toxic than SM in the human hepatocellular carcinoma cell line HepG2. Further mechanistic study revealed that DVS exposure (200 μM) promotes pyroptosis in HepG2 cells, while SM (400 μM) mainly induces apoptosis. DVS induces gasdermin D (GSDMD) mediated pyroptosis, which is independent of caspases activation but depends on the large amounts of reactive oxygen species (ROS) and severe oxidative stress produced during DVS exposure. Our findings may provide novel insights for understanding the mechanism of SM poisoning and may be helpful to discover promising therapeutic strategies for SM intoxication.
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Affiliation(s)
- Zhi Li
- Laboratory of Toxicant Analysis, Institute of Pharmacology and Toxicology, Academy of Military Medical Sciences, Beijing, 100850, China
| | - Bo Ma
- Laboratory of Toxicant Analysis, Institute of Pharmacology and Toxicology, Academy of Military Medical Sciences, Beijing, 100850, China
| | - Hua Xu
- Laboratory of Toxicant Analysis, Institute of Pharmacology and Toxicology, Academy of Military Medical Sciences, Beijing, 100850, China.
| | - Mengqiang Gong
- Laboratory of Toxicant Analysis, Institute of Pharmacology and Toxicology, Academy of Military Medical Sciences, Beijing, 100850, China
| | - Pengxia Gao
- Laboratory of Toxicant Analysis, Institute of Pharmacology and Toxicology, Academy of Military Medical Sciences, Beijing, 100850, China
| | - Lili Wang
- Laboratory of Toxicant Analysis, Institute of Pharmacology and Toxicology, Academy of Military Medical Sciences, Beijing, 100850, China
| | - Jianwei Xie
- Laboratory of Toxicant Analysis, Institute of Pharmacology and Toxicology, Academy of Military Medical Sciences, Beijing, 100850, China.
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22
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Zhang N, Zeng W, Xu Y, Li R, Wang M, Liu Y, Qu S, Ferrara KW, Dai Z. Pyroptosis Induction with Nanosonosensitizer-Augmented Sonodynamic Therapy Combined with PD-L1 Blockade Boosts Efficacy against Liver Cancer. Adv Healthc Mater 2024; 13:e2302606. [PMID: 37987462 PMCID: PMC10939858 DOI: 10.1002/adhm.202302606] [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: 08/16/2023] [Revised: 11/05/2023] [Indexed: 11/22/2023]
Abstract
Induction of pyroptosis can promote anti-PD-L1 therapeutic efficacy due to the release of pro-inflammatory cytokines, but current approaches can cause off target toxicity. Herein, a phthalocyanine-conjugated mesoporous silicate nanoparticle (PMSN) is designed for amplifying sonodynamic therapy (SDT) to augment oxidative stress and induce robust pyroptosis in tumors. The sub-10 nm diameter structure and c(RGDyC)-PEGylated modification enhance tumor targeting and renal clearance. The unique porous architecture of PMSN doubles ROS yield and enhances pyroptotic cell populations in tumors (25.0%) via a cavitation effect. PMSN-mediated SDT treatment efficiently reduces tumor mass and suppressed residual tumors in treated and distant sites by synergizing with PD-L1 blockade (85.93% and 77.09%, respectively). Furthermore, loading the chemotherapeutic, doxorubicin, into PMSN intensifies SDT-pyroptotic effects and increased efficacy. This is the first report of the use of SDT regimens to induce pyroptosis in liver cancer. This noninvasive and effective strategy has potential for clinical translation.
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Affiliation(s)
- Nisi Zhang
- Department of Biomedical Engineering, College of Future Technology, National Biomedical Imaging Center, Peking University, Beijing 100871, P. R. China
| | - Wenlong Zeng
- Department of Biomedical Engineering, College of Future Technology, National Biomedical Imaging Center, Peking University, Beijing 100871, P. R. China
| | - Yunxue Xu
- Department of Biomedical Engineering, College of Future Technology, National Biomedical Imaging Center, Peking University, Beijing 100871, P. R. China
| | - Rui Li
- Department of Biomedical Engineering, College of Future Technology, National Biomedical Imaging Center, Peking University, Beijing 100871, P. R. China
| | - Mengxuan Wang
- Department of Biomedical Engineering, College of Future Technology, National Biomedical Imaging Center, Peking University, Beijing 100871, P. R. China
| | - Yijia Liu
- Department of Biomedical Engineering, College of Future Technology, National Biomedical Imaging Center, Peking University, Beijing 100871, P. R. China
| | - Shuai Qu
- Department of Biomedical Engineering, College of Future Technology, National Biomedical Imaging Center, Peking University, Beijing 100871, P. R. China
| | | | - Zhifei Dai
- Department of Biomedical Engineering, College of Future Technology, National Biomedical Imaging Center, Peking University, Beijing 100871, P. R. China
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23
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Chen Q, Sun Y, Wang S, Xu J. New prospects of cancer therapy based on pyroptosis and pyroptosis inducers. Apoptosis 2024; 29:66-85. [PMID: 37943371 DOI: 10.1007/s10495-023-01906-5] [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] [Accepted: 10/15/2023] [Indexed: 11/10/2023]
Abstract
Pyroptosis is a gasdermin-mediated programmed cell death (PCD) pathway. It differs from apoptosis because of the secretion of inflammatory molecules. Pyroptosis is closely associated with various malignant tumors. Recent studies have demonstrated that pyroptosis can either inhibit or promote the development of malignant tumors, depending on the cell type (immune or cancer cells) and duration and severity of the process. This review summarizes the molecular mechanisms of pyroptosis, its relationship with malignancies, and focuses on current pyroptosis inducers and their significance in cancer treatment. The molecules involved in the pyroptosis signaling pathway could serve as therapeutic targets for the development of novel drugs for cancer therapy. In addition, we analyzed the potential of combining pyroptosis with conventional anticancer techniques as a promising strategy for cancer treatment.
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Affiliation(s)
- Qiaoyun Chen
- China Pharmaceutical University Nanjing Drum Tower Hospital, Nanjing, 210008, China
- Nanjing Drum Tower Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, 210008, China
| | - Yuxiang Sun
- Institute of Translational Medicine, Medical College, Yangzhou University, Yangzhou, 225000, China
| | - Siliang Wang
- China Pharmaceutical University Nanjing Drum Tower Hospital, Nanjing, 210008, China.
- Nanjing Drum Tower Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, 210008, China.
| | - Jingyan Xu
- China Pharmaceutical University Nanjing Drum Tower Hospital, Nanjing, 210008, China.
- Nanjing Drum Tower Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, 210008, China.
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24
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He Z, Feng D, Zhang C, Chen Z, Wang H, Hou J, Li S, Wei X. Recent strategies for evoking immunogenic Pyroptosis in antitumor immunotherapy. J Control Release 2024; 366:375-394. [PMID: 38142962 DOI: 10.1016/j.jconrel.2023.12.023] [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: 10/27/2023] [Revised: 11/24/2023] [Accepted: 12/16/2023] [Indexed: 12/26/2023]
Abstract
Pyroptosis is a specific type of programmed cell death (PCD) characterized by distinct morphological changes, including cell swelling, membrane blebbing, DNA fragmentation, and eventual cell lysis. Pyroptosis is closely associated with human-related diseases, such as inflammation and malignancies. Since the initial observation of pyroptosis in Shigella flexneri-infected macrophages more than 20 years ago, various pyroptosis-inducing agents, including ions, small molecules, and biological nanomaterials, have been developed for tumor treatment. Given that pyroptosis can activate the body's robust immune response against tumor and promote the formation of the body's long-term immune memory in tumor treatment, its status as a type of immunogenic cell death is self-evident. Therefore, pyroptosis should be used as a powerful anti-tumor strategy. However, there still is a lack of a comprehensive summary of the most recent advances in pyroptosis-based cancer therapy. Therefore, it is vital to fill this gap and inspire future drug design to better induce tumor cells to undergo pyroptosis to achieve advanced anti-tumor effects. In this review, we summarize in detail the most recent advances in triggering tumor cell immunogenic pyroptosis for adequate tumor clearance based on various treatment modalities, and highlight material design and therapeutic advantages. Besides, we also provide an outlook on the prospects of this emerging field in the next development.
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Affiliation(s)
- Zhangxin He
- Department of Urology, First Affiliated Hospital of Soochow University, Suzhou 215006, China; Department of Urology, Dushu Lake Hospital Affiliated to Soochow University, Medical Center of Soochow University, Suzhou Dushu Lake Hospital, Suzhou 215000, China; College of Pharmaceutical Sciences, Soochow University, Suzhou 215000, China
| | - Dexiang Feng
- Department of Urology, First Affiliated Hospital of Soochow University, Suzhou 215006, China; Department of Urology, Dushu Lake Hospital Affiliated to Soochow University, Medical Center of Soochow University, Suzhou Dushu Lake Hospital, Suzhou 215000, China
| | - Chaoji Zhang
- Department of Cardiac Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100730, China
| | - Zhiqian Chen
- Department of Urology, First Affiliated Hospital of Soochow University, Suzhou 215006, China; Department of Urology, Dushu Lake Hospital Affiliated to Soochow University, Medical Center of Soochow University, Suzhou Dushu Lake Hospital, Suzhou 215000, China
| | - He Wang
- Department of Urology, First Affiliated Hospital of Soochow University, Suzhou 215006, China; Department of Urology, Dushu Lake Hospital Affiliated to Soochow University, Medical Center of Soochow University, Suzhou Dushu Lake Hospital, Suzhou 215000, China.
| | - Jianquan Hou
- Department of Urology, First Affiliated Hospital of Soochow University, Suzhou 215006, China; Department of Urology, Dushu Lake Hospital Affiliated to Soochow University, Medical Center of Soochow University, Suzhou Dushu Lake Hospital, Suzhou 215000, China
| | - Shengliang Li
- College of Pharmaceutical Sciences, Soochow University, Suzhou 215000, China.
| | - Xuedong Wei
- Department of Urology, First Affiliated Hospital of Soochow University, Suzhou 215006, China.
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25
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Ding F, Liu J, Ai K, Xu C, Mao X, Liu Z, Xiao H. Simultaneous Activation of Pyroptosis and cGAS-STING Pathway with Epigenetic/ Photodynamic Nanotheranostic for Enhanced Tumor Photoimmunotherapy. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024; 36:e2306419. [PMID: 37796042 DOI: 10.1002/adma.202306419] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/02/2023] [Revised: 09/21/2023] [Indexed: 10/06/2023]
Abstract
Promoting innate immunity through pyroptosis induction or the cyclic GMP-AMP synthase-stimulator of interferon gene (cGAS-STING) pathway activation has emerged as a potent approach to counteract the immunosuppressive tumor microenvironment and elicit systemic antitumor immunity. However, current pyroptosis inducers and STING agonists often suffer from limitations including instability, unpredictable side effects, or inadequate intracellular expression of gasdermin and STING. Here, a tumor-specific nanotheranostic platform that combines photodynamic therapy (PDT) with epigenetic therapy to simultaneously activate pyroptosis and the cGAS-STING pathway in a light-controlled manner is constructed. This approach involves the development of oxidation-sensitive nanoparticles (NP1) loaded with the photosensitizer TBE, along with decitabine nanomicelles (NP2). NP2 enables the restoration of STING and gasdermin E (GSDME) expression, while NP1-mediated PDT facilitates the release of DNA fragments from damaged mitochondria to potentiate the cGAS-STING pathway, and promotes the activation of caspase-3 to cleave the upregulated GSDME into pore-forming GSDME-N terminal. Subsequently, the released inflammatory cytokines facilitate the maturation of antigen-presentation cells, triggering T cell-mediated antitumor immunity. Overall, this study presents an elaborate strategy for simultaneous photoactivation of pyroptosis and the cGAS-STING pathway, enabling targeted photoimmunotherapy in immunotolerant tumors. This innovative approach holds significant promise in overcoming the limitations associated with existing therapeutic modalities and represents a valuable avenue for future clinical applications.
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Affiliation(s)
- Feixiang Ding
- Department of Clinical Pharmacology, Hunan Key Laboratory of Pharmacogenetics, and National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, 410008, China
- Institute of Clinical Pharmacology, Engineering Research Center for Applied Technology of Pharmacogenomics of Ministry of Education, Central South University, Changsha, 410078, China
- Department of Pharmacology, Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, 410078, China
| | - Junyan Liu
- Department of Orthopaedics, Xiangya Hospital, Central South University, Changsha, 410008, China
| | - Kelong Ai
- Department of Pharmacology, Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, 410078, China
| | - Chun Xu
- School of Dentistry, University of Queensland, Brisbane, 4006, Australia
| | - Xiaoyuan Mao
- Department of Clinical Pharmacology, Hunan Key Laboratory of Pharmacogenetics, and National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, 410008, China
- Institute of Clinical Pharmacology, Engineering Research Center for Applied Technology of Pharmacogenomics of Ministry of Education, Central South University, Changsha, 410078, China
| | - Zhaoqian Liu
- Department of Clinical Pharmacology, Hunan Key Laboratory of Pharmacogenetics, and National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, 410008, China
- Institute of Clinical Pharmacology, Engineering Research Center for Applied Technology of Pharmacogenomics of Ministry of Education, Central South University, Changsha, 410078, China
| | - Haihua Xiao
- Beijing National Laboratory for Molecular Sciences, Laboratory of Polymer Physics and Chemistry, Institute of Chemistry Chinese Academy of Sciences, Beijing, 100190, China
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26
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Wu L, Shan L, Xu D, Lin D, Bai B. Pyroptosis in cancer treatment and prevention: the role of natural products and their bioactive compounds. Med Oncol 2024; 41:66. [PMID: 38281254 DOI: 10.1007/s12032-023-02293-2] [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: 08/03/2023] [Accepted: 12/22/2023] [Indexed: 01/30/2024]
Abstract
Targeting programmed cell death (PCD) has been emerging as a promising therapeutic strategy in cancer. Pyroptosis, as a type of PCDs, leads to the cleavage of the gasdermin family and the secretion of pro-inflammatory factors. Gasdermin D (GSDMD) and gasdermin E (GSDME) are the two main executors of pyroptosis. Pyroptosis in tumor and immune cells is essential for tumor progression. Natural products, especially Chinese medicinal herb and their bioactive compounds have recently been regarded as anti-tumor agents that regulate cell pyroptosis under different circumstances. Here, we review the underlying mechanisms of natural products that activate pyroptosis in tumor cells and inhibit pyroptosis in immune cells. Pyroptosis activation in tumor cells leads to tumor cell death, yet pyroptosis inhibition in immune cells may prevent tumor occurrence. Elucidation of the signaling pathways involved in pyroptosis contributes to the understanding of the anti-tumor role of natural products and their potential clinical applications. Therefore, we outline a promising strategy for cancer therapy and prevention using natural products via modulation of pyroptosis.
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Affiliation(s)
- Liyi Wu
- Department of Pharmacy, School of Medicine, Sir Run Run Shaw Hospital, Zhejiang University, 3# East Qingchun Road, Hangzhou, 310016, People's Republic of China
| | - Lina Shan
- Department of Colorectal Surgery, School of Medicine, Sir Run Run Shaw Hospital, Zhejiang University, Hangzhou, 310016, People's Republic of China
| | - Dengyong Xu
- Department of Colorectal Surgery, School of Medicine, Sir Run Run Shaw Hospital, Zhejiang University, Hangzhou, 310016, People's Republic of China
| | - Dengfeng Lin
- Department of Colorectal Surgery, School of Medicine, Sir Run Run Shaw Hospital, Zhejiang University, Hangzhou, 310016, People's Republic of China
| | - Bingjun Bai
- Department of Colorectal Surgery, School of Medicine, Sir Run Run Shaw Hospital, Zhejiang University, Hangzhou, 310016, People's Republic of China.
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27
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Nguyen T, Chen PC, Pham J, Kaur K, Raman SS, Jewett A, Chiang J. Current and Future States of Natural Killer Cell-Based Immunotherapy in Hepatocellular Carcinoma. Crit Rev Immunol 2024; 44:71-85. [PMID: 38618730 DOI: 10.1615/critrevimmunol.2024052486] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/16/2024]
Abstract
Natural killer (NK) cells are innate lymphoid cells that exhibit high levels of cytotoxicity against NK-specific targets. NK cells also produce various cytokines, and interact with T cells, B cells, and dendritic cells to effectively serve as frontliners of the innate immune system. Produce various cytokines, and interact with T cells, B cells, and dendritic cells to effectively serve as frontliners of the innate immune system. Moreover, NK cells constitute the second most common immune cell in the liver. These properties have drawn significant attention towards leveraging NK cells in treating liver cancer, especially hepatocellular carcinoma (HCC), which accounts for 75% of all primary liver cancer and is the fourth leading cause of cancer-related death worldwide. Notable anti-cancer functions of NK cells against HCC include activating antibody-dependent cell cytotoxicity (ADCC), facilitating Gasdermin E-mediated pyroptosis of HCC cells, and initiating an antitumor response via the cGAS-STING signaling pathway. In this review, we describe how these mechanisms work in the context of HCC. We will then discuss the existing preclinical and clinical studies that leverage NK cell activity to create single and combined immunotherapies.
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Affiliation(s)
- Tu Nguyen
- UCLA David Geffen School of Medicine
| | - Po-Chun Chen
- Division of Oral Biology and Medicine, The Jane and Jerry Weintraub Center for Reconstructive Biotechnology, University of California School of Dentistry, 10833 Le Conte Ave, 90095 Los Angeles, CA, USA
| | - Janet Pham
- Department of Radiology, Ronald Reagan UCLA Medical Center, Los Angeles, CA, USA
| | - Kawaljit Kaur
- Division of Oral Biology and Medicine The Jane and Jerry Weintraub Center of Reconstructive Biotechnology University of California School of Dentistry Los Angeles, CA, USA
| | - Steven S Raman
- Department of Radiology, Ronald Reagan UCLA Medical Center, Los Angeles, CA, USA; The Jonsson Comprehensive Cancer Center, UCLA School of Dentistry and Medicine, Los Angeles, CA, USA
| | - Anahid Jewett
- Division of Oral Biology and Medicine, The Jane and Jerry Weintraub Center for Reconstructive Biotechnology, University of California School of Dentistry, 10833 Le Conte Ave, 90095 Los Angeles, CA, USA; The Jonsson Comprehensive Cancer Center, UCLA School of Dentistry and Medicine, Los Angeles, CA, USA
| | - Jason Chiang
- Department of Radiology, Ronald Reagan UCLA Medical Center, Los Angeles, CA, USA; The Jonsson Comprehensive Cancer Center, UCLA School of Dentistry and Medicine, Los Angeles, CA, USA
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Liang X, Liu Q, Zhu S, Li Z, Chen H, Su Z. GSDME has prognostic and immunotherapeutic significance in residual hepatocellular carcinoma after insufficient radiofrequency ablation. Transl Oncol 2024; 39:101796. [PMID: 37862939 PMCID: PMC10589398 DOI: 10.1016/j.tranon.2023.101796] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2023] [Revised: 09/13/2023] [Accepted: 10/02/2023] [Indexed: 10/22/2023] Open
Abstract
BACKGROUND Heat stress can induce programmed cell death (PCD). Pyroptosis is a gasdermin-mediated PCD. This study hypothesized that insufficient radiofrequency ablation (IRFA) induced pyroptosis in hepatocellular carcinoma (HCC) and investigated its underlying mechanism and clinical significance. METHODS Thermostatic water bath was used to stimulate IRFA in vitro. Cell viability was assessed by MTT assay. IL-1β and HMGB1 were measured by ELISA assay. LDH level was measured by LDH cytotoxicity detection kit. Permeability of cell membrane was assessed by Hoechst33342/PI fluorescence staining. RNA expression was evaluated by qRT-PCR, and protein was assessed by Western Blotting or immunofluorescence or immunohistochemistry. Gene expression with clinicopathological characteristics from HCC patients treated by RFA were analyzed for associations between GSDME expression and prognosis. RESULTS Our study revealed that IRFA induced pyroptosis in HCCLM3 and HepG2 cells. GSDME, rather than GSDMD, was cleaved in heat stress-induced pyroptosis in HCCLM3 and HepG2 cells due to caspase-3 activation. However, GSDME overexpression promoted HCC growth in vivo and predicted poor PFS and OS in HCC patients treated by RFA. Heat stress modulated gene expression related to PD-L1 signaling and caspase inhibitors inhibited heat-induced PD-L1 expression in residual HCC after IRFA. Gsdme overexpression caused resistance to PD-L1 inhibitor in residual HCC after IRFA by increasing infiltrating of CD3+PD-1+ or CD3+CTLA-4+ exhausted T cells. CONCLUSIONS This study indicated that GSDME could serve as a potential prognostic biomarker and help to prescribe personalized sequential immunotherapy for HCC patients receiving RFA.
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Affiliation(s)
- Xuexia Liang
- Department of Ultrasound, The Fifth Affiliated Hospital of Sun Yat-sen University, Zhuhai, Guangdong 519000, China; Cancer Center, The Fifth Affiliated Hospital of Sun Yat-sen University, Zhuhai, Guangdong 519000, China; Guangdong Provincial Key Laboratory of Biomedical Imaging and Guangdong Provincial Engineering Research Center of Molecular Imaging, the Fifth Affiliated Hospital of Sun Yat-sen University, Zhuhai, Guangdong 519000, China
| | - Qiaodan Liu
- Department of Ultrasound, The Fifth Affiliated Hospital of Sun Yat-sen University, Zhuhai, Guangdong 519000, China; Cancer Center, The Fifth Affiliated Hospital of Sun Yat-sen University, Zhuhai, Guangdong 519000, China
| | - Shuqin Zhu
- Department of Ultrasound, The Fifth Affiliated Hospital of Sun Yat-sen University, Zhuhai, Guangdong 519000, China; Department of Pathology, the Fifth Affiliated Hospital of Sun Yat-sen University, Zhuhai, Guangdong 519000, China
| | - Zizi Li
- Department of Pathology, the Fifth Affiliated Hospital of Sun Yat-sen University, Zhuhai, Guangdong 519000, China
| | - Hui Chen
- Department of Ultrasound, The Fifth Affiliated Hospital of Sun Yat-sen University, Zhuhai, Guangdong 519000, China; Guangdong Provincial Key Laboratory of Biomedical Imaging and Guangdong Provincial Engineering Research Center of Molecular Imaging, the Fifth Affiliated Hospital of Sun Yat-sen University, Zhuhai, Guangdong 519000, China
| | - Zhongzhen Su
- Department of Ultrasound, The Fifth Affiliated Hospital of Sun Yat-sen University, Zhuhai, Guangdong 519000, China; Guangdong Provincial Key Laboratory of Biomedical Imaging and Guangdong Provincial Engineering Research Center of Molecular Imaging, the Fifth Affiliated Hospital of Sun Yat-sen University, Zhuhai, Guangdong 519000, China.
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Hu Y, Liu Y, Zong L, Zhang W, Liu R, Xing Q, Liu Z, Yan Q, Li W, Lei H, Liu X. The multifaceted roles of GSDME-mediated pyroptosis in cancer: therapeutic strategies and persisting obstacles. Cell Death Dis 2023; 14:836. [PMID: 38104141 PMCID: PMC10725489 DOI: 10.1038/s41419-023-06382-y] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2023] [Revised: 12/01/2023] [Accepted: 12/06/2023] [Indexed: 12/19/2023]
Abstract
Pyroptosis is a novel regulated cell death (RCD) mode associated with inflammation and innate immunity. Gasdermin E (GSDME), a crucial component of the gasdermin (GSDM) family proteins, has the ability to convert caspase-3-mediated apoptosis to pyroptosis of cancer cells and activate anti-tumor immunity. Accumulating evidence indicates that GSDME methylation holds tremendous potential as a biomarker for early detection, diagnosis, prognosis, and treatment of tumors. In fact, GSDME-mediated pyroptosis performs a dual role in anti-tumor therapy. On the one side, pyroptotic cell death in tumors caused by GSDME contributes to inflammatory cytokines release, which transform the tumor immune microenvironment (TIME) from a 'cold' to a 'hot' state and significantly improve anti-tumor immunotherapy. However, due to GSDME is expressed in nearly all body tissues and immune cells, it can exacerbate chemotherapy toxicity and partially block immune response. How to achieve a balance between the two sides is a crucial research topic. Meanwhile, the potential functions of GSDME-mediated pyroptosis in anti-programmed cell death protein 1 (PD-1) therapy, antibody-drug conjugates (ADCs) therapy, and chimeric antigen receptor T cells (CAR-T cells) therapy have not yet been fully understood, and how to improve clinical outcomes persists obscure. In this review, we systematically summarize the latest research regarding the molecular mechanisms of pyroptosis and discuss the role of GSDME-mediated pyroptosis in anti-tumor immunity and its potential applications in cancer treatment.
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Affiliation(s)
- Yixiang Hu
- Molecular Pharmacology Laboratory, Department of Clinical Pharmacy, Xiangtan Center Hospital, Xiangtan, 411100, China
- Honghao Zhou Research Institute, Xiangtan Center Hospital, Xiangtan, 411100, China
| | - Ya Liu
- Molecular Pharmacology Laboratory, Department of Clinical Pharmacy, Xiangtan Center Hospital, Xiangtan, 411100, China
| | - Lijuan Zong
- Department of Rehabilitation Medicine, Zhongda Hospital of Southeast University, Nanjing, 210096, China
| | - Wenyou Zhang
- Department of Pharmacy, Sir Run-Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, 310006, China
| | - Renzhu Liu
- Molecular Pharmacology Laboratory, Department of Clinical Pharmacy, Xiangtan Center Hospital, Xiangtan, 411100, China
- Honghao Zhou Research Institute, Xiangtan Center Hospital, Xiangtan, 411100, China
| | - Qichang Xing
- Molecular Pharmacology Laboratory, Department of Clinical Pharmacy, Xiangtan Center Hospital, Xiangtan, 411100, China
- Honghao Zhou Research Institute, Xiangtan Center Hospital, Xiangtan, 411100, China
| | - Zheng Liu
- Molecular Pharmacology Laboratory, Department of Clinical Pharmacy, Xiangtan Center Hospital, Xiangtan, 411100, China
- Honghao Zhou Research Institute, Xiangtan Center Hospital, Xiangtan, 411100, China
| | - Qingzi Yan
- Molecular Pharmacology Laboratory, Department of Clinical Pharmacy, Xiangtan Center Hospital, Xiangtan, 411100, China
- Honghao Zhou Research Institute, Xiangtan Center Hospital, Xiangtan, 411100, China
| | - Wencan Li
- Molecular Pharmacology Laboratory, Department of Clinical Pharmacy, Xiangtan Center Hospital, Xiangtan, 411100, China
- Honghao Zhou Research Institute, Xiangtan Center Hospital, Xiangtan, 411100, China
| | - Haibo Lei
- Molecular Pharmacology Laboratory, Department of Clinical Pharmacy, Xiangtan Center Hospital, Xiangtan, 411100, China.
- Honghao Zhou Research Institute, Xiangtan Center Hospital, Xiangtan, 411100, China.
| | - Xiang Liu
- Molecular Pharmacology Laboratory, Department of Clinical Pharmacy, Xiangtan Center Hospital, Xiangtan, 411100, China.
- Honghao Zhou Research Institute, Xiangtan Center Hospital, Xiangtan, 411100, China.
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Liu D, Liu J, Liu K, Hu Y, Feng J, Bu Y, Wang Q. SIRT1 Inhibition-Induced Mitochondrial Damage Promotes GSDME-Dependent Pyroptosis in Hepatocellular Carcinoma Cells. Mol Biotechnol 2023:10.1007/s12033-023-00964-z. [PMID: 38044396 DOI: 10.1007/s12033-023-00964-z] [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: 05/06/2023] [Accepted: 10/24/2023] [Indexed: 12/05/2023]
Abstract
Hepatocellular carcinoma (HCC) is a malignant tumor that affects the liver and poses a significant threat to human health. Further investigation is necessary to fully understand the role of SIRT1, a protein linked to tumorigenesis, in HCC development. To investigate the effect of SIRT1 on HCC and elucidate the underlying mechanism. Eight pairs of HCC and paracancerous normal tissue specimens were collected. The levels of SIRT1 and GSDME in tissue samples were assessed using immunohistochemistry and western blotting. SIRT1 levels were determined in HCC (Huh7, HepG2, SNU-423, SNU-398, and HCCLM3) and L-02 cells using reverse transcription-quantitative polymerase chain reaction (RT-qPCR) and western blotting. SNU-423 and HCCLM3 cells were transfected with si-SIRT1 and/or si-GSDME to knock down SIRT1 or GSDME expression. RT-qPCR and western blotting were performed to measure the expression of SIRT1, pro-casp-3, cl-casp-3, GSDME, GSDME-N, PGC-1α, Bax, and cytochrome c (Cyto C). Cell proliferation, migration, invasion, and apoptosis were assessed using the cell counting kit-8 (CCK-8), wound healing assay, Transwell invasion assay, and flow cytometry, respectively. The release of lactate dehydrogenase (LDH) was evaluated using an LDH kit. SIRT1 was upregulated in HCC tissues and cells, and a negative correlation was observed between SIRT1 and GSDME-N. SIRT1 silencing suppressed the proliferation, migration, and invasion of HCC cells while also promoting apoptosis and inducing mitochondrial damage. Additionally, the silencing of SIRT1 resulted in the formation of large bubbles on the plasma membrane of HCC cells, leading to cellular swelling and aggravated GSDME-dependent pyroptosis, resulting in an increase in LDH release. Inhibition of GSDME reduced SIRT1 silencing-induced cell swelling, decreased LDH release rate, and promoted apoptosis. SIRT1 silencing promotes GSDME-dependent pyroptosis in HCC cells by damaging mitochondria.
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Affiliation(s)
- Di Liu
- Department of Hepatobiliary Surgery, General Hospital of Ningxia Medical University, 804 Shengli Street, Xingqing District, Yinchuan City, Ningxia Hui Autonomous Region, China
| | - Junhao Liu
- School of Clinical Medicine, Ningxia Medical University, Yinchuan, China
| | - Kejun Liu
- Department of Hepatobiliary Surgery, General Hospital of Ningxia Medical University, 804 Shengli Street, Xingqing District, Yinchuan City, Ningxia Hui Autonomous Region, China
| | - Yanchao Hu
- Department of Infectious Diseases, General Hospital of Ningxia Medical University, Yinchuan, China
| | - Jinming Feng
- Department of Surgery, Shapotou District People's Hospital, Zhongwei City, China
| | - Yang Bu
- Department of Hepatobiliary Surgery, People's Hospital of Ningxia Hui Autonomous Region, No.301, Zhengyuan North Street, Jinfeng District, Yinchuan City, Ningxia Hui Autonomous Region, China.
| | - Qi Wang
- Department of Hepatobiliary Surgery, General Hospital of Ningxia Medical University, 804 Shengli Street, Xingqing District, Yinchuan City, Ningxia Hui Autonomous Region, China.
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Wang RH, Shang BB, Wu SX, Wang L, Sui SG. Recent updates on pyroptosis in tumors of the digestive tract. J Dig Dis 2023; 24:640-647. [PMID: 38059890 DOI: 10.1111/1751-2980.13244] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/13/2023] [Revised: 11/27/2023] [Accepted: 12/06/2023] [Indexed: 12/08/2023]
Abstract
Pyroptosis is an inflammasome-dependent form of programmed cell death that is mediated by caspases-1, -4, -5, and -11, and the gasdermin protein family. It is characterized by the rupture of cell membrane and the subsequent release of cell contents and interleukins, leading to inflammatory reaction and activation of the immune system. Recent studies have suggested that pyroptosis plays a role in the development of gastrointestinal tumors, impeding tumor generation and progression as well as providing a favorable microenvironment for tumor growth. In this review we outlined the current knowledge regarding the implications of pyroptosis in gastrointestinal cancers.
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Affiliation(s)
- Ruo Han Wang
- Emergency Department, The Second Affiliated Hospital of Dalian Medical University, Dalian, Liaoning Province, China
| | - Bing Bing Shang
- Emergency Department, The Second Affiliated Hospital of Dalian Medical University, Dalian, Liaoning Province, China
| | - Shi Xi Wu
- Department of General Surgery, The Second Affiliated Hospital of Dalian Medical University, Dalian, Liaoning Province, China
| | - Liang Wang
- Research and Teaching Department of Comparative Medicine, Dalian Medical University, Dalian, Liaoning Province, China
| | - Shao Guang Sui
- Emergency Department, The Second Affiliated Hospital of Dalian Medical University, Dalian, Liaoning Province, China
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Lui KS, Ye Z, Chan HC, Tanaka Y, Cheung AKL. Anti-PD1 does not improve pyroptosis induced by γδ T cells but promotes tumor regression in a pleural mesothelioma mouse model. Front Immunol 2023; 14:1282710. [PMID: 38077396 PMCID: PMC10701743 DOI: 10.3389/fimmu.2023.1282710] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2023] [Accepted: 11/03/2023] [Indexed: 12/18/2023] Open
Abstract
Introduction Mesothelioma is an aggressive tumor in the pleural cavity that is difficult to treat. Diagnosis is usually late with minimal treatment options available for the patients and with unfavorable outcomes. However, recent advances in immunotherapy using γδ T cells may have potential against mesothelioma, given its ample tumoricidal and tumor-migratory properties could allow its infiltration to the widespread tumor mass. Thus, we hypothesize that Vδ2 T cells can perform cytotoxic activities against mesothelioma especially when combined with immune checkpoint blocker against PD-1. Methods Human Vδ2 T cells were expanded from peripheral blood mononuclear cells using Tetrakis-pivaloyloxymethyl 2-(thiazole-2-ylamino) ethylidene-1,1-bisphosphonate (PTA) plus IL-2 for 13 days, before used to test for cytotoxicity against mesothelioma cell lines. Mesothelioma-bearing mice was established by Intrapleural administration of mesothelioma cell lines to test for the efficacy of Vδ2 T cells plus anti-PD-1 antibody combination treatment. Pyroptosis was evaluated by cell morphology, western blot analysis, and ELISA experiments. Flow cytometry was used to examine expression of BTN2A1, BTN3A1, PD-L1, PD-L2 on mesothelioma cell lines. Immunofluorescence staining was performed to detect Vδ2 T cells post adoptive transfer and characteristics of pyroptosis in ex vivo mesothelioma tissue sections. Results Indeed, our data demonstrated that Vδ2 T cells killing mesothelioma can be enhanced by anti-PD-1 antibody in vitro, especially for high PD-1 expressing cells, and in vivo in the intrapleural mesothelioma mice model established by us. Adoptive transfer of Vδ2 T cells into these mice leads to tumor regression by 30-40% compared to control. Immunofluorescence of the tumor section confirmed infiltration of Vδ2 T cells into the tumor, especially to cells with BTN2A1 expression (a Vδ2 T cell activating molecule) despite PD-L1 co-localization. Interestingly, these cells co-expressed cleaved gasdermin D, suggesting that pyroptosis was induced by Vδ2 T cells. This was verified by Vδ2 T/mesothelioma co-culture experiments demonstrating membrane ballooning morphology, increased cleaved caspase-3 and gasdermin E, and upregulated IL-1β and IL-18. Discussion Vδ2 T cells plus anti-PD1 exhibited cytotoxicity against mesothelioma in vivo. However, we found no advantage for anti-PD-1 against PD-1 high expressing Vδ2 T cells in promoting pyroptosis. Taken together, our work demonstrated that Vδ2 T cells combined with anti-PD-1 antibody can be developed as a potential combination immunotherapy for mesothelioma.
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Affiliation(s)
- Ka Sin Lui
- Department of Biology, Faculty of Science, Hong Kong Baptist University, Hong Kong, Hong Kong, SAR, China
| | - Zuodong Ye
- Department of Biology, Faculty of Science, Hong Kong Baptist University, Hong Kong, Hong Kong, SAR, China
| | - Hoi Ching Chan
- Department of Biology, Faculty of Science, Hong Kong Baptist University, Hong Kong, Hong Kong, SAR, China
| | - Yoshimasa Tanaka
- Center for Medical Innovation, Nagasaki University, Nagasaki, Japan
| | - Allen Ka Loon Cheung
- Department of Biology, Faculty of Science, Hong Kong Baptist University, Hong Kong, Hong Kong, SAR, China
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You HM, Wang L, Meng HW, Huang C, Fang GY, Li J. Pyroptosis: shedding light on the mechanisms and links with cancers. Front Immunol 2023; 14:1290885. [PMID: 38016064 PMCID: PMC10651733 DOI: 10.3389/fimmu.2023.1290885] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2023] [Accepted: 10/20/2023] [Indexed: 11/30/2023] Open
Abstract
Pyroptosis, a novel form of programmed cell death (PCD) discovered after apoptosis and necrosis, is characterized by cell swelling, cytomembrane perforation and lysis, chromatin DNA fragmentation, and the release of intracellular proinflammatory contents, such as Interleukin (IL) 8, IL-1β, ATP, IL-1α, and high mobility group box 1 (HMGB1). Our understanding of pyroptosis has increased over time with an increase in research on the subject: gasdermin-mediated lytic PCD usually, but not always, requires cleavage by caspases. Moreover, new evidence suggests that pyroptosis induction in tumor cells results in a strong inflammatory response and significant cancer regression, which has stimulated great interest among scientists for its potential application in clinical cancer therapy. It's worth noting that the side effects of chemotherapy and radiotherapy can be triggered by pyroptosis. Thus, the intelligent use of pyroptosis, the double-edged sword for tumors, will enable us to understand the genesis and development of cancers and provide potential methods to develop novel anticancer drugs based on pyroptosis. Hence, in this review, we systematically summarize the molecular mechanisms of pyroptosis and provide the latest available evidence supporting the antitumor properties of pyroptosis, and provide a summary of the various antitumor medicines targeting pyroptosis signaling pathways.
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Affiliation(s)
- Hong-mei You
- Department of Pharmacy, Hangzhou Women’s Hospital, Hangzhou, China
| | - Ling Wang
- Department of Pharmacy, Shangyu People’s Hospital of Shaoxing, Shaoxing, China
| | - Hong-wu Meng
- Department of Pharmacy, The First Affiliated Hospital of Anhui Medical University, Hefei, China
| | - Cheng Huang
- Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Hefei, China
| | - Guo-ying Fang
- Department of Pharmacy, Hangzhou Women’s Hospital, Hangzhou, China
| | - Jun Li
- Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Hefei, China
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Gielecińska A, Kciuk M, Yahya EB, Ainane T, Mujwar S, Kontek R. Apoptosis, necroptosis, and pyroptosis as alternative cell death pathways induced by chemotherapeutic agents? Biochim Biophys Acta Rev Cancer 2023; 1878:189024. [PMID: 37980943 DOI: 10.1016/j.bbcan.2023.189024] [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: 07/26/2023] [Revised: 08/22/2023] [Accepted: 11/14/2023] [Indexed: 11/21/2023]
Abstract
For decades, common chemotherapeutic drugs have been established to trigger apoptosis, the preferred immunologically "silent" form of cell death. The primary objective of this review was to show that various FDA-approved chemotherapeutic drugs, including cisplatin, cyclosporine, doxorubicin, etoposide, 5-fluorouracil, gemcitabine, paclitaxel, or vinblastine can trigger necroptosis and pyroptosis. We aimed to provide the advantages and disadvantages of the induction of the given type of cell death by chemotherapeutical agents. Moreover, we give a short overview of the molecular mechanism of each type of cell death and indicate the existing crosstalks between cell death types. Finally, we provide a comparison of cell death types to facilitate the exploration of cell death types induced by other chemotherapeutical agents. Understanding the cell death pathway induced by a drug can lessen side effects and assist the discovery of new combinations with synergistic effects and low systemic toxicity.
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Affiliation(s)
- A Gielecińska
- University of Lodz, Faculty of Biology and Environmental Protection, Department of Molecular Biotechnology and Genetics, Banacha St. 12/16, 90-237 Lodz, Poland; University of Lodz, Doctoral School of Exact and Natural Sciences, Banacha Street 12/16, 90-237 Lodz, Poland.
| | - M Kciuk
- University of Lodz, Faculty of Biology and Environmental Protection, Department of Molecular Biotechnology and Genetics, Banacha St. 12/16, 90-237 Lodz, Poland
| | - E-B Yahya
- Bioprocess Technology Division, School of Industrial Technology, University Sains Malaysia, Penang 11800, Malaysia
| | - T Ainane
- Superior School of Technology of Khenifra, University of Sultan Moulay Slimane, P.O. Box 170, Khenifra 54000, Morocco
| | - S Mujwar
- Chitkara College of Pharmacy, Chitkara University, Rajpura 140401, Punjab, India
| | - R Kontek
- University of Lodz, Faculty of Biology and Environmental Protection, Department of Molecular Biotechnology and Genetics, Banacha St. 12/16, 90-237 Lodz, Poland
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Cadena C, Kornfeld OS, Lee BL, Kayagaki N. Epigenetic and transcriptional control of gasdermins. Semin Immunol 2023; 70:101841. [PMID: 37703611 DOI: 10.1016/j.smim.2023.101841] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/03/2023] [Revised: 09/07/2023] [Accepted: 09/07/2023] [Indexed: 09/15/2023]
Abstract
Cells undergo an inflammatory programmed lytic cell death called 'pyroptosis' (with the Greek roots 'fiery'), often featuring morphological hallmarks such as large ballooning protrusions and subsequent bursting. Originally described as a caspase-1-dependent cell death in response to bacterial infection, pyroptosis has since been re-defined in 2018 as a cell death dependent on plasma membrane pores by a gasdermin (GSDM) family member [1,2]. GSDMs form pores in the plasma membrane as well as organelle membranes, thereby initiating membrane destruction and the rapid and lytic demise of a cell. The gasdermin family plays a profound role in the execution of pyroptosis in the context of infection, inflammation, tumor pathogenesis, and anti-tumor therapy. More recently, cell-death-independent functions for some of the GSDMs have been proposed. Therefore, a comprehensive understanding of gasdermin gene regulation, including mechanisms in both homeostatic conditions and during inflammation, is essential. In this review, we will summarize the role of gasdermins in pyroptosis and focus our discussion on the transcriptional and epigenetic mechanisms controlling the expression of GSDMs.
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Affiliation(s)
- Cristhian Cadena
- Physiological Chemistry Department, Genentech, 1 DNA Way, South San Francisco, CA 94080, USA.
| | - Opher S Kornfeld
- Physiological Chemistry Department, Genentech, 1 DNA Way, South San Francisco, CA 94080, USA
| | - Bettina L Lee
- Physiological Chemistry Department, Genentech, 1 DNA Way, South San Francisco, CA 94080, USA
| | - Nobuhiko Kayagaki
- Physiological Chemistry Department, Genentech, 1 DNA Way, South San Francisco, CA 94080, USA.
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Liu W, Peng J, Xiao M, Cai Y, Peng B, Zhang W, Li J, Kang F, Hong Q, Liang Q, Yan Y, Xu Z. The implication of pyroptosis in cancer immunology: Current advances and prospects. Genes Dis 2023; 10:2339-2350. [PMID: 37554215 PMCID: PMC10404888 DOI: 10.1016/j.gendis.2022.04.019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2022] [Revised: 04/18/2022] [Accepted: 04/25/2022] [Indexed: 11/18/2022] Open
Abstract
Pyroptosis is a regulated cell death pathway involved in numerous human diseases, especially malignant tumors. Recent studies have identified multiple pyroptosis-associated signaling molecules, like caspases, gasdermin family and inflammasomes. In addition, increasing in vitro and in vivo studies have shown the significant linkage between pyroptosis and immune regulation of cancers. Pyroptosis-associated biomarkers regulate the infiltration of tumor immune cells, such as CD4+ and CD8+ T cells, thus strengthening the sensitivity to therapeutic strategies. In this review, we explained the relationship between pyroptosis and cancer immunology and focused on the significance of pyroptosis in immune regulation. We also proposed the future application of pyroptosis-associated biomarkers in basic research and clinical practices to address malignant behaviors. Exploration of the underlying mechanisms and biological functions of pyroptosis is critical for immune response and cancer immunotherapy.
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Affiliation(s)
- Wei Liu
- Department of Pathology, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China
- Department of Orthopedic Surgery, The Second Hospital University of South China, Hengyang, Hunan 421001, China
| | - Jinwu Peng
- Department of Pathology, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China
- Department of Pathology, Xiangya Changde Hospital, Changde, Hunan 415000, China
| | - Muzhang Xiao
- Department of Burn and Plastic Surgery, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China
| | - Yuan Cai
- Department of Pathology, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China
| | - Bi Peng
- Department of Pathology, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China
| | - Wenqin Zhang
- Department of Pathology, Xiangya Changde Hospital, Changde, Hunan 415000, China
| | - Jianbo Li
- Department of Pathology, Xiangya Changde Hospital, Changde, Hunan 415000, China
| | - Fanhua Kang
- Department of Pathology, Xiangya Changde Hospital, Changde, Hunan 415000, China
| | - Qianhui Hong
- Department of Pathology, Xiangya Changde Hospital, Changde, Hunan 415000, China
| | - Qiuju Liang
- Department of Pharmacy, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China
| | - Yuanliang Yan
- Department of Pharmacy, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China
| | - Zhijie Xu
- Department of Pathology, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China
- Department of Pathology, Xiangya Changde Hospital, Changde, Hunan 415000, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China
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Tan J, Zhuo Z, Wang X, Zhang Y, Qian Y, Lin F. Secretome of EMSCs neutralizes LPS‑induced acute lung injury via aerosol administration. Int J Mol Med 2023; 52:104. [PMID: 37772372 PMCID: PMC10558219 DOI: 10.3892/ijmm.2023.5307] [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: 06/01/2023] [Accepted: 09/04/2023] [Indexed: 09/30/2023] Open
Abstract
Ectodermal mesenchymal stem cells (EMSCs) are cells harvested from the stem cell niche (nasal mucosa) with high therapeutic potential. To the best of our knowledge, however, the anti‑inflammatory properties of these neural crest‑derived EMSCs have been rarely reported. The present study aimed to explore the effects of aerosolized EMSC‑Secretome (EMSC‑Sec) and clarify underlying mechanisms in treating acute lung injury (ALI). EMSCs were isolated by adherent method and identified by immunofluorescence staining. EMSC‑Sec was collected and evaluated using western blotting, BCA and ELISA tests. Then, mouse lung epithelial cells (MLE‑12) were used to mimic inflammatory stimulation with lipopolysaccharide (LPS). After developing an ALI model through intraperitoneal injection of LPS, mice were treated with an EMSC‑Sec spray. The lung in each group underwent an observation and measurement to preliminarily assess the extent of damage. H&E staining, immunohistochemical staining, immunofluorescence and western‑blotting were utilized to further access the impacts of EMSC‑Sec. The results showed that EMSC‑Sec had great anti‑inflammatory potential and was highly successful in vitro and in vivo. EMSC‑Sec mitigated LPS‑induced ALI with low inflammatory cell inflation and mild damage. EMSC‑Sec could regulate inflammation via the NF‑κB(p50/p65)/NLRP3 pathway. Overall, the present study demonstrated that EMSC‑Sec regulated inflammation, hoping to provide a novel strategy for ALI treatment.
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Affiliation(s)
- Jianing Tan
- Department of Neurology, Changshu No. 2 People's Hospital, Affiliated Changshu Hospital of Nantong University, Changshu, Suzhou 215500, P.R. China
| | - Ziliang Zhuo
- Department of Neurology, Changshu No. 2 People's Hospital, Affiliated Changshu Hospital of Nantong University, Changshu, Suzhou 215500, P.R. China
| | - Xiuyu Wang
- Department of Neurology, Changshu No. 2 People's Hospital, Affiliated Changshu Hospital of Nantong University, Changshu, Suzhou 215500, P.R. China
| | - Yanshuang Zhang
- Department of Neurology, Changshu No. 2 People's Hospital, Affiliated Changshu Hospital of Nantong University, Changshu, Suzhou 215500, P.R. China
| | - Yucheng Qian
- Department of Neurology, Changshu No. 2 People's Hospital, Affiliated Changshu Hospital of Nantong University, Changshu, Suzhou 215500, P.R. China
| | - Fangfang Lin
- Department of Oncology, The First People's Hospital of Zhenjiang, Affiliated Hospital of Jiangsu University, Zhenjiang, Jiangsu 212000, P.R. China
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Jiao C, Zhang H, Li H, Fu X, Lin Y, Cao C, Liu S, Liu Y, Li P. Caspase-3/GSDME mediated pyroptosis: A potential pathway for sepsis. Int Immunopharmacol 2023; 124:111022. [PMID: 37837715 DOI: 10.1016/j.intimp.2023.111022] [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: 04/19/2023] [Revised: 10/01/2023] [Accepted: 10/02/2023] [Indexed: 10/16/2023]
Abstract
The inflammatory response is one of the host's mechanisms to combat pathogens. Normal and controlled inflammation can accelerate the clearance of pathogens. However, in sepsis, the host often exhibits an excessive inflammatory response to infection, leading to tissue and organ damage. Therefore, studying the mechanisms underlying the occurrence and development of sepsis is of significant importance. Pyroptosis is a form of programmed cell death (PCD) executed by the gasdermins (GSDMs) family, and its pro-inflammatory characteristics are considered a crucial component of the sepsis mechanism. Previous research on pyroptosis in sepsis has mainly focused on the caspase-1/4/5/11-GSDMD pathway, which has made significant progress. However, there is a lack of research on the roles of other GSDMs family members in sepsis. New research has revealed that the caspase-3/GSDME pathway can also mediate pyroptosis, playing important roles in cancer, other inflammatory diseases, and even some sepsis-related conditions. This discovery suggests the potential value of investigating caspase-3/GSDME in sepsis research. This review provides an overview of the role of the GSDMs family in infectious diseases, summarizes current research on the caspase-1/4/5/11-GSDMD pathway, describes the role of caspase-3 in sepsis, and discusses the research findings related to pyroptosis mediated by the caspase-3/GSDME pathway in cancer, inflammatory diseases, and sepsis-related conditions. The aim of this article is to propose the concept of caspase-3/GSDME as a potential target in sepsis research. Considering the role of this pathway in other diseases, including inflammatory conditions, and given the unique nature of sepsis as an inflammatory disease, the article suggests that this pathway may also play a role in sepsis. This hypothesis provides new insights and options for future sepsis research, although direct experiments are needed to validate this hypothesis.
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Affiliation(s)
- Chaoze Jiao
- Department of Emergency, Lanzhou University Second Hospital, Lanzhou University, Lanzhou, Gansu 730030, China
| | - Haidan Zhang
- Department of Emergency, Lanzhou University Second Hospital, Lanzhou University, Lanzhou, Gansu 730030, China
| | - Hongyao Li
- Department of Emergency, Lanzhou University Second Hospital, Lanzhou University, Lanzhou, Gansu 730030, China
| | - Xu Fu
- Department of Emergency, Lanzhou University Second Hospital, Lanzhou University, Lanzhou, Gansu 730030, China
| | - Yujie Lin
- Department of Emergency, Lanzhou University Second Hospital, Lanzhou University, Lanzhou, Gansu 730030, China
| | - Chenglong Cao
- Department of Emergency, Lanzhou University Second Hospital, Lanzhou University, Lanzhou, Gansu 730030, China
| | - Shixian Liu
- Department of Emergency, Lanzhou University Second Hospital, Lanzhou University, Lanzhou, Gansu 730030, China
| | - Yijing Liu
- Department of Emergency, Lanzhou University Second Hospital, Lanzhou University, Lanzhou, Gansu 730030, China
| | - Peiwu Li
- Department of Emergency, Lanzhou University Second Hospital, Lanzhou University, Lanzhou, Gansu 730030, China.
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Liu Y, Zhang X, Zhang P, He T, Zhang W, Ma D, Li P, Chen J. A high-throughput Gaussia luciferase reporter assay for screening potential gasdermin E activators against pancreatic cancer. Acta Pharm Sin B 2023; 13:4253-4272. [PMID: 37799380 PMCID: PMC10548051 DOI: 10.1016/j.apsb.2023.07.018] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2022] [Revised: 05/20/2023] [Accepted: 06/15/2023] [Indexed: 10/07/2023] Open
Abstract
It is discovered that activated caspase-3 tends to induce apoptosis in gasdermin E (GSDME)-deficient cells, but pyroptosis in GSDME-sufficient cells. The high GSDME expression and apoptosis resistance of pancreatic ductal adenocarcinoma (PDAC) cells shed light on another attractive strategy for PDAC treatment by promoting pyroptosis. Here we report a hGLuc-hGSDME-PCA system for high-throughput screening of potential GSDME activators against PDAC. This screening system neatly quantifies the oligomerization of GSDME-N to characterize whether pyroptosis occurs under the stimulation of chemotherapy drugs. Based on this system, ponatinib and perifosine are screened out from the FDA-approved anti-cancer drug library containing 106 compounds. Concretely, they exhibit the most potent luminescent activity and cause drastic pyroptosis in PDAC cells. Further, we demonstrate that perifosine suppresses pancreatic cancer by promoting pyroptosis via caspase-3/GSDME pathway both in vitro and in vivo. Collectively, this study reveals the great significance of hGLuc-hGSDME-PCA in identifying compounds triggering GSDME-dependent pyroptosis and developing promising therapeutic agents for PDAC.
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Affiliation(s)
- Yang Liu
- State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 210009, China
- Department of Pharmacognosy, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing 211198, China
| | - Xiaowei Zhang
- State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 210009, China
- Department of Pharmacognosy, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing 211198, China
| | - Ping Zhang
- State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 210009, China
- Department of Pharmacognosy, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing 211198, China
| | - Tingting He
- State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 210009, China
- Department of Pharmacognosy, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing 211198, China
| | - Weitao Zhang
- State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 210009, China
- Department of Pharmacognosy, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing 211198, China
| | - Dingyuan Ma
- Department of Prenatal Diagnosis, Nanjing Maternity and Child Health Care Hospital, Women's Hospital of Nanjing Medical University, Nanjing 210004, China
| | - Ping Li
- State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 210009, China
| | - Jun Chen
- State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 210009, China
- Department of Pharmacognosy, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing 211198, China
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Yan L, Su W, Gan D, Li D, Mai L, Wang B, Wang L, Peng L, Jiang L, Wang Z, Hu Q, Chen W. Circulating sNinj1 as a novel predictor of prognosis and severity in hepatocellular carcinoma. Clin Chim Acta 2023; 550:117581. [PMID: 37802206 DOI: 10.1016/j.cca.2023.117581] [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: 06/25/2023] [Revised: 09/26/2023] [Accepted: 10/03/2023] [Indexed: 10/08/2023]
Abstract
BACKGROUND The occurrence and development of HCC are closely associated with cell death. Recently, researchers found that Ninj1 plays a pivotal role in PMR during different types of cell death. However, the importance of Ninj1 in HCC has not been extensively investigated. METHODS This study included 102 newly diagnosed HCC patients and 102 sex and age-matched NCs. Circulating sNinj1 was assessed by ELISA. Serum LDH and IL-1ß were detected through a chemiluminescence assay. The correlations of these biomarkers with disease severity and their potential as prognostic predictors for HCC were evaluated. The dynamic changes of sNinj1, LDH, and IL-1ß levels before and after treatment were recorded. RESULTS Serum levels of sNinj1, IL-1ß, and LDH were significantly higher in HCC patients. Our study found that the sNinj1 level was positively correlated with tumor size, metastasis, and staging. ROC analysis indicated that the AUC of sNinj1 in differentiating HCC from NCs was 0.85. As a result of tumor thrombosis and invasion of the hepatic vein, sNinj1's AUCs were 0.71 and 0.73, respectively. After partial resection and TACE treatment, serum sNinj1 and LDH exhibited similar change trends. A one-year follow-up analysis also demonstrated that HCC patients with high sNinj1 had significantly poorer survival than those with low sNinj1. CONCLUSIONS The serum sNinj1 is another diagnostic biomarker supporting the HCC diagnosis. More importantly, it has been shown that circulating sNinj1 reveals potential as a novel predictor of HCC severity and prognosis.
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Affiliation(s)
- Ling Yan
- Department of Laboratory Medicine, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Wei Su
- Department of Laboratory Medicine, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Delu Gan
- Department of Laboratory Medicine, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Dandan Li
- Department of Laboratory Medicine, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Li Mai
- Department of Laboratory Medicine, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Bo Wang
- Department of Laboratory Medicine, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Li Wang
- Department of Laboratory Medicine, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Lanlang Peng
- Department of Laboratory Medicine, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Linshan Jiang
- Department of Laboratory Medicine, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Zhengao Wang
- School of Material Science and Engineering, South China University of Technology, Guangzhou, China
| | - Qin Hu
- Department of Laboratory Medicine, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, China.
| | - Weixian Chen
- Department of Laboratory Medicine, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, China.
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Gao Y, Zhang X, Li Y, Gao J, Liu S, Cai H, Zhang J. A novel pyroptosis-related signature predicts prognosis and indicates immunotherapy in oral squamous cell carcinoma. J Cancer Res Clin Oncol 2023; 149:12057-12070. [PMID: 37421458 DOI: 10.1007/s00432-023-05074-6] [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: 05/29/2023] [Accepted: 06/29/2023] [Indexed: 07/10/2023]
Abstract
BACKGROUND Oral squamous cell carcinoma (OSCC) has been recognized as a frequently occurring oral malignant tumor. Pyroptosis plays an extremely important role in the occurrence and development of cancer, but the role of pyroptosis in OSCC remains unclear. METHODS OSCC-related data were obtained from the TCGA and GEO databases. A PSscore risk model was constructed through LASSO regression analysis. The GEO database was utilized as the validation set of the model. The "ESTIMATE" and "CIBERSORT" algorithms were utilized to additionally evaluate the relationship between the immune cell score and PSscore. TIDE and IPS algorithms were used to assess patient response to immunotherapy. In addition, Western blot analysis and MTT assay was used to further validate key genes. RESULTS Comprehensive bioinformatics analysis showed that a low-PSscore had a significant survival advantage, richer immune cell infiltration, more active immune-related pathways, higher TME scores, and lower tumor purity. The results of TIDE and IPS analysis indicated that the high-PSscore group had higher immune escape potential and was less sensitive to immunotherapy. In contrast, the low-PSscore group patients might be more sensitive to PD1 and CTLA4 + PD1 immunotherapy. Univariate and multivariate COX results indicated that PSscore was an independent prognostic factor in OSCC patients. Another important finding is that BAK1 is a potential target of OSCC and is related to the Nod-like receptor signaling pathway. Knockdown of BAK1 can significantly reduce the proliferation of OSCC cells. CONCLUSION The PSscore model could be utilized as a powerful prognostic indicator and can help in the development of new immunotherapies.
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Affiliation(s)
- Yang Gao
- Department of Gynecological Oncology, Zhongnan Hospital of Wuhan University, Wuhan, China
- Hubei Key Laboratory of Tumor Biological Behaviors, Wuhan, China
- Hubei Cancer Clinical Study Center, Wuhan, China
| | - Xin Zhang
- Department of Nuclear Medicine, Hospital of Chengdu University of Traditional Chinese Medicine, Wuhan, China
| | - Ying Li
- Physical Examination Center, Renmin Hospital of Wuhan University, Wuhan, China
| | - Jingbo Gao
- Hubei Key Laboratory of Tumor Biological Behaviors, Wuhan, China
- Hubei Cancer Clinical Study Center, Wuhan, China
- Department of Breast and Thyroid Surgery, Zhongnan Hospital of Wuhan University, Wuhan, Hubei, China
| | - Shuting Liu
- Hubei Key Laboratory of Tumor Biological Behaviors, Wuhan, China
- Hubei Cancer Clinical Study Center, Wuhan, China
- Department of Breast and Thyroid Surgery, Zhongnan Hospital of Wuhan University, Wuhan, Hubei, China
| | - Hongbing Cai
- Department of Gynecological Oncology, Zhongnan Hospital of Wuhan University, Wuhan, China
- Hubei Key Laboratory of Tumor Biological Behaviors, Wuhan, China
- Hubei Cancer Clinical Study Center, Wuhan, China
| | - Jingwei Zhang
- Hubei Key Laboratory of Tumor Biological Behaviors, Wuhan, China.
- Hubei Cancer Clinical Study Center, Wuhan, China.
- Department of Breast and Thyroid Surgery, Zhongnan Hospital of Wuhan University, Wuhan, Hubei, China.
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Zhang Y, Cai X, Wang B, Zhang B, Xu Y. Exploring the molecular mechanisms of the involvement of GZMB-Caspase-3-GSDME pathway in the progression of rheumatoid arthritis. Mol Immunol 2023; 161:82-90. [PMID: 37531918 DOI: 10.1016/j.molimm.2023.07.013] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2023] [Revised: 07/26/2023] [Accepted: 07/28/2023] [Indexed: 08/04/2023]
Abstract
Rheumatoid arthritis (RA) is an autoimmune disease with an unclear pathogenesis. Granzyme B (GZMB) has been reported as a potential therapeutic target for RA treatment, but its mechanism remains unclear. This study aimed to explore the molecular mechanism of the GZMB-Caspase-3-GSDME pathway in the progression of RA. An SD rat model of RA was constructed, and Western blot analysis was used to verify the high expression of the GZMB gene in RA rats. Functional validation was then performed on two common RA cells, HFLS-RA cells and MH7A cells, by inhibiting the GZMB gene with the GZMB siRNA virus. Cell proliferation function was measured by CCK8 and EDU assays; cell pyroptosis markers were detected by the LDH assay; inflammation factor levels were measured by ELISA; and the expression of GZMB and pathway-related genes and proteins was measured by Western blot. After GZMB silencing, cell proliferation was decreased compared to the control group, and the inflammation factors IL-1b and IL-18, as well as the pyroptosis markers LDH, IL-1b, and IL-18, were all reduced. The GZMB-related proteins GZMB, caspase-3, and Gasdermin E (GSDME) were also decreased. Therefore, GZMB silencing reduces pyroptosis by inhibiting caspase-3 and Gasdermin E decomposition. In summary, GZMB silencing inhibits the activation of caspase-3 and Gasdermin E, thereby delaying inflammation in RA. The GZMB gene may be a potential therapeutic target for RA.
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Affiliation(s)
- Yue Zhang
- Kunming Medical University, No.1168, Chunrong West Road, Yuhua Street,Chenggong District, Kunming 650500, China; Department of Orthopaedics, 920th Hospital of the Joint Logistics Support Force of the Chinese People's Liberation Army, Kunming 650032, China
| | - Xingbo Cai
- Kunming Medical University, No.1168, Chunrong West Road, Yuhua Street,Chenggong District, Kunming 650500, China; Department of Orthopaedics, 920th Hospital of the Joint Logistics Support Force of the Chinese People's Liberation Army, Kunming 650032, China
| | - Bin Wang
- Kunming Medical University, No.1168, Chunrong West Road, Yuhua Street,Chenggong District, Kunming 650500, China; Department of Orthopaedics, 920th Hospital of the Joint Logistics Support Force of the Chinese People's Liberation Army, Kunming 650032, China
| | - Bihuan Zhang
- Kunming Medical University, No.1168, Chunrong West Road, Yuhua Street,Chenggong District, Kunming 650500, China; Department of Orthopaedics, 920th Hospital of the Joint Logistics Support Force of the Chinese People's Liberation Army, Kunming 650032, China
| | - Yongqing Xu
- Department of Orthopaedics, 920th Hospital of the Joint Logistics Support Force of the Chinese People's Liberation Army, Kunming 650032, China.
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Zhu X, Li S. Ferroptosis, Necroptosis, and Pyroptosis in Gastrointestinal Cancers: The Chief Culprits of Tumor Progression and Drug Resistance. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2023; 10:e2300824. [PMID: 37436087 PMCID: PMC10502844 DOI: 10.1002/advs.202300824] [Citation(s) in RCA: 25] [Impact Index Per Article: 25.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/06/2023] [Revised: 06/29/2023] [Indexed: 07/13/2023]
Abstract
In recent years, the incidence of gastrointestinal cancers is increasing, particularly in the younger population. Effective treatment is crucial for improving patients' survival outcomes. Programmed cell death, regulated by various genes, plays a fundamental role in the growth and development of organisms. It is also critical for maintaining tissue and organ homeostasis and takes part in multiple pathological processes. In addition to apoptosis, there are other types of programmed cell death, such as ferroptosis, necroptosis, and pyroptosis, which can induce severe inflammatory responses. Notably, besides apoptosis, ferroptosis, necroptosis, and pyroptosis also contribute to the occurrence and development of gastrointestinal cancers. This review aims to provide a comprehensive summary on the biological roles and molecular mechanisms of ferroptosis, necroptosis, and pyroptosis, as well as their regulators in gastrointestinal cancers and hope to open up new paths for tumor targeted therapy in the near future.
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Affiliation(s)
- Xudong Zhu
- Department of General SurgeryCancer Hospital of Dalian University of TechnologyCancer Hospital of China Medical UniversityLiaoning Cancer Hospital and InstituteShenyangLiaoning Province110042China
| | - Shenglong Li
- Second Ward of Bone and Soft Tissue Tumor SurgeryCancer Hospital of Dalian University of TechnologyCancer Hospital of China Medical UniversityLiaoning Cancer Hospital and InstituteShenyangLiaoning Province110042China
- The Liaoning Provincial Key Laboratory of Interdisciplinary Research on Gastrointestinal Tumor Combining Medicine with EngineeringShenyangLiaoning Province110042China
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Huang Y, Yang W, Yang L, Wang T, Li C, Yu J, Zhang P, Yin Y, Li R, Tao K. Nrf2 inhibition increases sensitivity to chemotherapy of colorectal cancer by promoting ferroptosis and pyroptosis. Sci Rep 2023; 13:14359. [PMID: 37658132 PMCID: PMC10474100 DOI: 10.1038/s41598-023-41490-x] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2023] [Accepted: 08/28/2023] [Indexed: 09/03/2023] Open
Abstract
Oxaliplatin is widely used in chemotherapy for colorectal cancer (CRC), but its sensitivity has become a major obstacle to limiting efficacy. Many literatures reported that Nrf2 activation promoted tumor chemoresistance. In this study, we explored the role and mechanism of Nrf2 inhibition in oxaliplatin-based chemosensitivity of CRC. In vitro experiments, we applied 4-octyl itaconate (4-OI) to activate Nrf2, and used lentivirus to knock down Nrf2 in CRC cell lines. By measuring cell viability, colony formation, apoptosis, reactive oxygen species production, and western blot, we found that oxaliplatin and lobaplatin suppressed the growth of HCT-116 and LOVO cells in a dose-dependent manner, and promoted the expression of Nrf2. 4-OI, an Nrf2 activator, reduced the sensibility of CRC cells to oxaliplatin and lobaplatin, while the knockdown of Nrf2 promoted the sensibility of CRC cells to oxaliplatin and lobaplatin. Through the public databases, we found that the expression of GPX4 in normal tissues was lower compared with cancer tissues in CRC, and the high GPX4 expression predicted a poor prognosis. Meanwhile, we found that oxaliplatin reduced the expression of GPX4 in vitro. The knockdown of Nrf2 enhanced the effects of oxaliplatin to reduce the expression of GPX4 and GSH content, and increase the MDA content, which enhanced oxaliplatin-induced ferroptosis. Subsequently, we found that oxaliplatin promoted the expression of GSDME-N, and induced LDH, IL-1β, and TNF-a release, and the knockdown of Nrf2 aggravated the occurrence of GSMDE-mediated pyroptosis. Finally, we found that the knockdown of Nrf2 enhanced the inhibition of oxaliplatin on HCT116 xenograft tumor growth in vivo. Thus, our study showed that Nrf2 inhibition improved sensitivity to oxaliplatin of CRC cells by promoting ferroptosis and pyroptosis, which provided a new target for overcoming chemoresistance in CRC.
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Affiliation(s)
- Yongzhou Huang
- Department of Gastrointestinal Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, No. 1277 Jiefang Avenue, Wuhan, 430022, Hubei Province, People's Republic of China
- Department of General Surgery, First Affiliated Hospital of Shihezi University, Shihezi, Xinjiang, 832008, People's Republic of China
| | - Wenchang Yang
- Department of Gastrointestinal Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, No. 1277 Jiefang Avenue, Wuhan, 430022, Hubei Province, People's Republic of China
| | - Lei Yang
- Department of Gastrointestinal Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, No. 1277 Jiefang Avenue, Wuhan, 430022, Hubei Province, People's Republic of China
| | - Tao Wang
- Department of Gastrointestinal Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, No. 1277 Jiefang Avenue, Wuhan, 430022, Hubei Province, People's Republic of China
| | - Chengguo Li
- Department of Gastrointestinal Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, No. 1277 Jiefang Avenue, Wuhan, 430022, Hubei Province, People's Republic of China
| | - Jiaxian Yu
- Department of Gastrointestinal Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, No. 1277 Jiefang Avenue, Wuhan, 430022, Hubei Province, People's Republic of China
| | - Peng Zhang
- Department of Gastrointestinal Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, No. 1277 Jiefang Avenue, Wuhan, 430022, Hubei Province, People's Republic of China
| | - Yuping Yin
- Department of Gastrointestinal Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, No. 1277 Jiefang Avenue, Wuhan, 430022, Hubei Province, People's Republic of China
| | - Ruidong Li
- Department of Gastrointestinal Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, No. 1277 Jiefang Avenue, Wuhan, 430022, Hubei Province, People's Republic of China.
| | - Kaixiong Tao
- Department of Gastrointestinal Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, No. 1277 Jiefang Avenue, Wuhan, 430022, Hubei Province, People's Republic of China.
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Li R, Xue W, Wei H, Fan Q, Li X, Qiu Y, Cui D. Research Progress of Pyroptosis in Fatty Liver Disease. Int J Mol Sci 2023; 24:13065. [PMID: 37685870 PMCID: PMC10488074 DOI: 10.3390/ijms241713065] [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: 07/21/2023] [Revised: 08/10/2023] [Accepted: 08/14/2023] [Indexed: 09/10/2023] Open
Abstract
Fatty liver disease (FLD) is a clinical and pathological syndrome characterized by excessive fat deposition and even steatosis in hepatocytes. It has been proven that liver inflammation induced by fat and its derivatives are involved in the pathogenesis of FLD, while the precise mechanism still remains poorly understood. Pyroptosis is programmed inflammatory cell death driving cell swelling and membrane rupture. Pyroptosis is initiated by the activation of inflammasomes and caspases, which further cleaves and activates various gasdermins, leading to pores forming on the cell membrane and the release of pro-inflammatory factors such as interleukin (IL)-1β and IL-18. Recent studies demonstrate that pyroptosis occurs in hepatocytes, and inhibiting pyroptosis could effectively reduce fat deposition in the liver and could ameliorate inflammation from FLD, attracting our prime focus on the role of pyroptosis in FLD. In this manuscript, we reviewed the current understanding of pyroptosis in FLD development, aiming to provide new insights and potential research targets for the clinical diagnosis and intervention of FLD.
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Affiliation(s)
- Rongxuan Li
- Department of Physical Education, Hunan University, Changsha 410000, China; (R.L.); (W.X.); (H.W.); (Q.F.); (X.L.)
| | - Weiyue Xue
- Department of Physical Education, Hunan University, Changsha 410000, China; (R.L.); (W.X.); (H.W.); (Q.F.); (X.L.)
| | - Huiting Wei
- Department of Physical Education, Hunan University, Changsha 410000, China; (R.L.); (W.X.); (H.W.); (Q.F.); (X.L.)
| | - Qingqing Fan
- Department of Physical Education, Hunan University, Changsha 410000, China; (R.L.); (W.X.); (H.W.); (Q.F.); (X.L.)
| | - Xiang Li
- Department of Physical Education, Hunan University, Changsha 410000, China; (R.L.); (W.X.); (H.W.); (Q.F.); (X.L.)
| | - Ye Qiu
- College of Biology, Hunan University, Changsha 410000, China;
| | - Di Cui
- Department of Physical Education, Hunan University, Changsha 410000, China; (R.L.); (W.X.); (H.W.); (Q.F.); (X.L.)
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Li C, Pang Y, Wang Y, Zhou Y, Fang L, Xiao S, Qiu D. Cloning, expression of porcine GSDME and identification of its site cleaved by caspase-3. Biochem Biophys Res Commun 2023; 669:61-67. [PMID: 37267861 DOI: 10.1016/j.bbrc.2023.05.076] [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: 04/28/2023] [Revised: 05/12/2023] [Accepted: 05/20/2023] [Indexed: 06/04/2023]
Abstract
As a member of the gasdermin family, gasdermin E (GSDME) is specifically cleaved by caspase-3, resulting in pyroptosis. To date, the biological characteristics and functions of human and mouse GSDME have been extensively studied; however, little is known of porcine GSDME (pGSDME). In this study, the full-length pGSDME-FL was cloned, which encodes 495 amino acids (aa) that have closely evolutionary relationships to the homolog of camelus, aquatic mammals, cattle and goat. Moreover, pGSDME was detected at different levels of expression in 21 tissues and 5 pig-derived cell lines tested by qRT-PCR, with the highest expression levels in mesenteric lymph nodes and PK-15 cell lines. Anti-pGSDME polyclonal antibody (pAb) with good specificity was generated by expressing the truncated recombinant protein pGSDME-1-208 and immunizing the rabbits. By western blot analysis using highly specific anti-pGSDME polyclonal antibody (pAb) prepared as primary antibody, it was not only confirmed that paclitaxel and cisplatin were positive stimuli to pGSDME cleavage and caspase-3 activation, but also identified the aspartate (D268) at position 268th of pGSDME as a cleavage site of caspase-3, and the overexpressed pGSDME-1-268 possesses cytotoxicity to HEK-293T cells, indicating that pGSDME-1-268 may contain active domains and involve pGSDME-mediated pyroptosis. These results lay a foundation for further investigating the function of pGSDME, especially its role in pyroptosis and its interaction with pathogens.
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Affiliation(s)
- Chenyu Li
- State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070, China; The Key Laboratory of Preventive Veterinary Medicine in Hubei Province, Cooperative Innovation Center for Sustainable Pig Production, Wuhan, 430070, China
| | - Yu Pang
- State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070, China; The Key Laboratory of Preventive Veterinary Medicine in Hubei Province, Cooperative Innovation Center for Sustainable Pig Production, Wuhan, 430070, China
| | - Yuchen Wang
- State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070, China; The Key Laboratory of Preventive Veterinary Medicine in Hubei Province, Cooperative Innovation Center for Sustainable Pig Production, Wuhan, 430070, China
| | - Yanrong Zhou
- State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070, China; The Key Laboratory of Preventive Veterinary Medicine in Hubei Province, Cooperative Innovation Center for Sustainable Pig Production, Wuhan, 430070, China
| | - Liurong Fang
- State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070, China; The Key Laboratory of Preventive Veterinary Medicine in Hubei Province, Cooperative Innovation Center for Sustainable Pig Production, Wuhan, 430070, China
| | - Shaobo Xiao
- State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070, China; The Key Laboratory of Preventive Veterinary Medicine in Hubei Province, Cooperative Innovation Center for Sustainable Pig Production, Wuhan, 430070, China
| | - Dexin Qiu
- State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070, China.
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Chen W, Yin Y, Zhang Z. Effects of N-acetylcysteine on CG8005 gene-mediated proliferation and apoptosis of Drosophila S2 embryonic cells. Sci Rep 2023; 13:12502. [PMID: 37532734 PMCID: PMC10397334 DOI: 10.1038/s41598-023-39668-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2023] [Accepted: 07/28/2023] [Indexed: 08/04/2023] Open
Abstract
To investigate the effect of the antioxidant N-acetylcysteine (NAC) on the proliferation and apoptosis in CG8005 gene-interfering Drosophila S2 embryonic cells by scavenging intracellular reactive oxygen species (ROS). The interfering efficiency of CG8005 gene in Drosophila S2 embryonic cells was verified by real-time quantitative PCR (qRT-PCR). Different concentrations of NAC and phosphate buffered saline (PBS) were used to affect the Drosophila S2 embryonic cells. The growth state of Drosophila S2 embryonic cells was observed by light microscope. Two probes dihydroethidium (DHE) and 2,7-dichlorodihydrofluorescein-acetoacetate (DCFH-DA) were used to observe the ROS production in each group after immunofluorescence staining. TUNEL staining and flow cytometry were used to investigate the apoptosis level of Drosophila S2 embryos, and CCK-8 (Cell Counting Kit-8) was used to detect the cell viability of Drosophila S2 embryos. The knockdown efficiency of siCG8005-2 fragment was high and stable, which was verified by interference efficiency (P < 0.05). There was no significant change in the growth of Drosophila S2 embryonic cells after the treatment of NAC as compared to PBS group. Moreover, knockdowning CG8005 gene resulted in an increase in ROS and apoptosis in Drosophila S2 embryonic cells (P < 0.05) and a decrease in proliferation activity (P < 0.05). In addition, the pretreatment of antioxidant NAC could inhibit ROS production in Drosophila S2 embryonic cells (P < 0.05), reduce cell apoptosis (P < 0.05), and improve cell survival (P < 0.05). The CG8005 gene in Drosophila S2 embryonic cells could regulate the proliferation and apoptosis of S2 embryonic cells by disrupting the redox homeostasis, and antioxidant NAC could inhibit cell apoptosis and promotes cell proliferation by scavenging ROS in Drosophila S2 embryonic cells, which is expected to provide novel insights for the pathogenesis of male infertility and spermatogenesis.
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Affiliation(s)
- Wanyin Chen
- Department of Medical Gynecology, Affiliated Hospital of Jiangsu University, Zhenjiang, 212000, People's Republic of China
| | - Yifei Yin
- Department of Medical Ultrasound, Affiliated Hospital of Nantong University, Nantong, 226006, People's Republic of China.
| | - Zheng Zhang
- Department of Medical Ultrasound, Affiliated Hospital of Jiangsu University, Zhenjiang, 212000, People's Republic of China.
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48
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Song A, Ding T, Wei N, Yang J, Ma M, Zheng S, Jin H. Schisandrin B induces HepG2 cells pyroptosis by activating NK cells mediated anti-tumor immunity. Toxicol Appl Pharmacol 2023; 472:116574. [PMID: 37271225 DOI: 10.1016/j.taap.2023.116574] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2023] [Revised: 05/07/2023] [Accepted: 05/29/2023] [Indexed: 06/06/2023]
Abstract
Pyroptosis, an inflammatory programmed cell death, has been suggested as a novel molecular mechanism for the treatment of hepatocellular carcinoma (HCC) with chemotherapeutic agents. Recent studies showed that natural killer (NK) cells could inhibit apoptosis and regulate the progression of pyroptosis in tumor cells. Schisandrin B (Sch B), a lignan isolated from Schisandrae chinensis (Turcz.) Baill. (Schisandraceae) Fructus, has various pharmacological activities including anti-cancer effects. The purpose of this study was to investigate the effect of NK cells on Sch B's regulation of pyroptosis in HCC cells and the molecular mechanisms implicated. The results showed that Sch B alone could decrease cell viability and induce apoptosis in HepG2 cells. However, Sch B induced apoptosis in HepG2 cells was transformed into pyroptosis in the presence of NK cells. The mechanisms underlying NK cell's effect on pyroptosis in Sch B-treated HepG2 cells was related to its activation of caspase 3-Gasdermin E (GSDME). Further studies revealed that NK cell induced caspase 3 activation was derived from its activation of perforin-granzyme B pathway. This study explored the effect of Sch B and NK cells on pyroptosis in HepG2 cells and revealed that perforin-granzyme B-caspase 3-GSDME pathway is involved in the process of pyroptosis. These results proposed an immunomodulatory mechanism of Sch B on HepG2 cells pyroptosis and suggested Sch B as a promising immunotherapy combination partner for the treatment of HCC.
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Affiliation(s)
- Anping Song
- Department of Pharmacology, School of Pharmacy, Wannan Medical College, Wuhu, Anhui, China
| | - Tingting Ding
- Department of Pharmacology, School of Pharmacy, Wannan Medical College, Wuhu, Anhui, China
| | - Na Wei
- Department of Pharmacology, School of Pharmacy, Wannan Medical College, Wuhu, Anhui, China
| | - Jieren Yang
- Department of Pharmacology, School of Pharmacy, Wannan Medical College, Wuhu, Anhui, China
| | - Mingyue Ma
- Department of Pharmacology, School of Pharmacy, Wannan Medical College, Wuhu, Anhui, China
| | - Shuguo Zheng
- Department of Pharmacology, School of Pharmacy, Wannan Medical College, Wuhu, Anhui, China; Laboratory of Pharmacology of Chinese Medicine, School of Pharmacy, Wannan Medical College, Wuhu, Anhui, China.
| | - Huanhuan Jin
- Department of Pharmacology, School of Pharmacy, Wannan Medical College, Wuhu, Anhui, China; Laboratory of Pharmacology of Chinese Medicine, School of Pharmacy, Wannan Medical College, Wuhu, Anhui, China.
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49
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Xing L, Tang Y, Li L, Tao X. ROS in hepatocellular carcinoma: What we know. Arch Biochem Biophys 2023:109699. [PMID: 37499994 DOI: 10.1016/j.abb.2023.109699] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2023] [Revised: 07/07/2023] [Accepted: 07/21/2023] [Indexed: 07/29/2023]
Abstract
Hepatocellular carcinoma (HCC), which is a primary liver cancer subtype, has a poor prognosis due to its high degree of malignancy. The lack of early diagnosis makes systemic therapy the only hope for HCC patients with advanced disease; however, resistance to drugs is a major obstacle. In recent years, targeted molecular therapy has gained popularity as a potential treatment for HCC. An increase in reactive oxygen species (ROS), which are cancer markers and a potential target for HCC therapy, can both promote and inhibit the disease. At present, many studies have examined targeted regulation of ROS in the treatment of HCC. Here, we reviewed the latest drugs that are still in the experimental stage, including nanocarrier drugs, exosome drugs, antibody drugs, aptamer drugs and polysaccharide drugs, to provide new hope for the clinical treatment of HCC patients.
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Affiliation(s)
- Lin Xing
- Department of Pharmacy, First Affiliated Hospital of Dalian Medical University, Dalian, 116011, China; School of Pharmacy, Dalian Medical University, Dalian, 116044, China
| | - Yuting Tang
- Department of Pharmacy, First Affiliated Hospital of Dalian Medical University, Dalian, 116011, China; School of Pharmacy, Dalian Medical University, Dalian, 116044, China
| | - Lu Li
- Department of Pharmacy, First Affiliated Hospital of Dalian Medical University, Dalian, 116011, China.
| | - Xufeng Tao
- Department of Pharmacy, First Affiliated Hospital of Dalian Medical University, Dalian, 116011, China.
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50
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Tao H, Dong L, Shan X, Li L, Chen H. MicroRNA-32-3p facilitates cerebral ischemia/reperfusion injury through inhibiting Cab39/AMPK. Int Immunopharmacol 2023; 121:110504. [PMID: 37379707 DOI: 10.1016/j.intimp.2023.110504] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2023] [Revised: 05/27/2023] [Accepted: 06/05/2023] [Indexed: 06/30/2023]
Abstract
Oxidative stress is a key pathogenic factor of cerebral ischemia/reperfusion (I/R) injury. MicroRNA-32-3p (miR-32-3p) plays critical roles in regulating ischemic diseases; however, its role in oxidative stress and cerebral I/R injury remains elusive. Primary cortical neurons and rats were treated with the agomir, antagomir and matched controls of miR-32-3p, and then received oxygen glucose deprivation/reperfusion (OGD/R) or I/R stimulation. To investigate the involvement of AMP-activated protein kinase (AMPK) and calcium-binding protein 39 (Cab39), a pharmacological inhibitor and small interfering RNA were used in vivo and in vitro. Herein, we found that miR-32-3p was upregulated in OGD/R-treated neurons and I/R-injured brains, and that inhibiting miR-32-3p by the miR-32-3p antagomir dramatically alleviated oxidative stress and neural death in OGD/R-stimulated primary cortical neurons. Conversely, overexpressing miR-32-3p by the miR-32-3p agomir further aggravated OGD/R-induced neural death and oxidative damage in primary cortical neurons. Meanwhile, we observed that the miR-32-3p antagomir prevented, while the miR-32-3p agomir facilitated neural death, oxidative damage and cerebral I/R injury in vivo. Mechanistically, miR-32-3p bound to the 3'-untranslated regions of Cab39, inhibited its protein level and subsequently inactivated AMPK. Conversely, treatment with the miR-32-3p antagomir upregulated Cab39 and activated AMPK, thereby attenuating oxidative damage and cerebral I/R injury. Moreover, inhibiting AMPK or Cab39 dramatically blocked the miR-32-3p antagomir-mediated beneficial effects against cerebral I/R injury in vivo and in vitro. miR-32-3p plays critical roles in neural death and oxidative damage upon I/R stimulation, and it is a novel target to treat cerebral I/R injury.
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Affiliation(s)
- Hongmiao Tao
- Medical College, Jinhua Polytechnic, Jinhua 321017, Zhejiang, China.
| | - Lihua Dong
- Medical College, Jinhua Polytechnic, Jinhua 321017, Zhejiang, China
| | - Xiaoyun Shan
- Department of Clinical Laboratory, Jinhua Municipal Central Hospital, Jinhua 321000, Zhejiang, China
| | - Lin Li
- College of Basic Medical Sciences, Zhejiang Chinese Medical University, Hangzhou 310053, Zhejiang, China
| | - Haohao Chen
- Medical College, Jinhua Polytechnic, Jinhua 321017, Zhejiang, China
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