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Oraby MA, Abdel Mageed SS, Amr Raouf A, Abdelshafy DA, Ahmed EF, Khalil RT, Mangoura SA, Fadaly DS. Remdesivir ameliorates ulcerative colitis-propelled cell inflammation and pyroptosis in acetic acid rats by restoring SIRT6/FoxC1 pathway. Int Immunopharmacol 2024; 137:112465. [PMID: 38878489 DOI: 10.1016/j.intimp.2024.112465] [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: 05/06/2024] [Revised: 06/08/2024] [Accepted: 06/09/2024] [Indexed: 07/11/2024]
Abstract
INTRODUCTION Ulcerative colitis (UC) is a primary culprit of inflammatory bowel disease that entails prompt and effective clinical intervention. Remdesivir (RDV), a broad-spectrum antiviral nucleotide, has been found to exert anti-inflammatory effects in experimental animals. AIM This study investigates the prospective anti-inflammatory merit of RDV on an experimental model of UC. The role of SIRT6/FoxC1 in regulating colonic cell inflammation and pyroptosis is delineated. METHOD Rats were challenged with a single intrarectal dose of acetic acid (AA) solution (2 ml; 4 % v/v) to induce colitis. RDV (20 mg/kg, ip) and sulfasalazine (100 mg/kg, po) were administered to rats 14 days before the injection of AA. RESULTS Administration of RDV ameliorated colonic cell injury and loss as manifested by improvement of severe colon histopathological mutilation and macroscopic damage and disease activity index scores together with restoration of normal colon weight/length ratio. In addition, RDV alleviated colonic inflammatory reactions, thereby curtailing NF-κB activation and the inflammatory cytokines, TNF-α, IL-18, and IL-1β. Mitigation of colonic oxidative stress and apoptotic reactions were also evident in the setting of RDV treatment. Mechanistically, RDV enhanced the anti-inflammatory cascade, SIRT6/FoxC1, together with curbing the pyroptotic signal, NLRP3/cleaved caspase-1/Gasdermin D-elicited colonic inflammatory cell death. CONCLUSION This study reveals, for the first time, the anti-inflammatory effect of RDV against experimental UC. Augmenting SIRT6/FoxC1-mediated repression of colonic inflammation and pyroptosis might advocate the colo-protective potential of RDV.
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Affiliation(s)
- Mamdouh A Oraby
- Pharmacology and Toxicology Department, Faculty of Pharmacy, Badr University in Cairo (BUC), Badr City, Cairo 11829, Egypt.
| | - Sherif S Abdel Mageed
- Pharmacology and Toxicology Department, Faculty of Pharmacy, Badr University in Cairo (BUC), Badr City, Cairo 11829, Egypt.
| | - Ahmed Amr Raouf
- Pharmacology and Toxicology Department, Faculty of Pharmacy, Badr University in Cairo (BUC), Badr City, Cairo 11829, Egypt.
| | - Dareen A Abdelshafy
- Faculty of Pharmacy, Badr University in Cairo (BUC), Badr City, Cairo 11829, Egypt
| | - Eman F Ahmed
- Faculty of Pharmacy, Badr University in Cairo (BUC), Badr City, Cairo 11829, Egypt
| | - Rowida T Khalil
- Faculty of Pharmacy, Badr University in Cairo (BUC), Badr City, Cairo 11829, Egypt
| | - Safwat A Mangoura
- Pharmacology and Toxicology Department, Faculty of Pharmacy, Badr University in Cairo (BUC), Badr City, Cairo 11829, Egypt.
| | - Doaa S Fadaly
- Department of Clinical Pharmacology, Faculty of Medicine, Zagazig University, Zagazig, Egypt.
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Jia Z, Zhang X, Li Z, Yan H, Tian X, Luo C, Ma K, Li L, Zhang L. Hydrogen sulfide mitigates ox‑LDL‑induced NLRP3/caspase‑1/GSDMD dependent macrophage pyroptosis by S‑sulfhydrating caspase‑1. Mol Med Rep 2024; 30:135. [PMID: 38873985 PMCID: PMC11188054 DOI: 10.3892/mmr.2024.13259] [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: 08/02/2023] [Accepted: 04/19/2024] [Indexed: 06/15/2024] Open
Abstract
Macrophage pyroptosis mediates vascular inflammation and atherosclerosis (AS). Hydrogen sulfide (H2S) exerts a protective role in preventing inflammation and AS. However, its molecular mechanisms of regulating the pyroptosis signaling pathway and inhibiting macrophage pyroptosis remain unexplored. The present study aimed to determine whether H2S mitigates macrophage pyroptosis by downregulating the pyroptosis signaling pathway and S‑sulfhydrating caspase‑1 under the stimulation of oxidized low‑density lipoprotein (ox‑LDL), a pro‑atherosclerotic factor. Macrophages derived from THP‑1 monocytes were pre‑treated using exogenous H2S donors sodium hydrosulfide (NaHS) and D,L‑propargylglycine (PAG), a pharmacological inhibitor of endogenous H2S‑producing enzymes, alone or in combination. Subsequently, cells were stimulated with ox‑LDL or the desulfhydration reagent dithiothreitol (DTT) in the presence or absence of NaHS and/or PAG. Following treatment, the levels of H2S in THP‑1 derived macrophages were measured by a methylene blue colorimetric assay. The pyroptotic phenotype of THP‑1 cells was observed and evaluated by light microscopy, Hoechst 33342/propidium iodide fluorescent staining and lactate dehydrogenase (LDH) release assay. Caspase‑1 activity in THP‑1 cells was assayed by caspase‑1 activity assay kit. Immunofluorescence staining was used to assess the accumulation of active caspase‑1. Western blotting and ELISA were performed to determine the expression of pyroptosis‑specific markers (NLRP3, pro‑caspase‑1, caspase‑1, GSDMD and GSDMD‑N) in cells and the secretion of pyroptosis‑related cytokines [interleukin (IL)‑1β and IL‑18] in the cell‑free media, respectively. The S‑sulfhydration of pro‑caspase‑1 in cells was assessed using a biotin switch assay. ox‑LDL significantly induced macrophage pyroptosis by activating the pyroptosis signaling pathway. Inhibition of endogenous H2S synthesis by PAG augmented the pro‑pyroptotic effects of ox‑LDL. Conversely, exogenous H2S (NaHS) ameliorated ox‑LDL‑and ox‑LDL + PAG‑induced macrophage pyroptosis by suppressing the activation of the pyroptosis signaling pathway. Mechanistically, ox‑LDL and the DTT increased caspase‑1 activity and downstream events (IL‑1β and IL‑18 secretion) of the caspase‑1‑dependent pyroptosis pathway by reducing S‑sulfhydration of pro‑caspase‑1. Conversely, NaHS increased S‑sulfhydration of pro‑caspase‑1, reducing caspase‑1 activity and caspase‑1‑dependent macrophage pyroptosis. The present study demonstrated the molecular mechanism by which H2S ameliorates macrophage pyroptosis by suppressing the pyroptosis signaling pathway and S‑sulfhydration of pro‑caspase‑1, thereby suppressing the generation of active caspase-1 and activity of caspase-1.
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Affiliation(s)
- Zhenli Jia
- Ministry of Education Key Laboratory of Xinjiang Endemic and Ethnic Diseases, Shihezi University, Shihezi, Xinjiang 832003, P.R. China
| | - Xulin Zhang
- Department of Blood Transfusion, Shenzhen Children's Hospital, Shenzhen, Guangdong 518034, P.R. China
| | - Zhiyi Li
- Ministry of Education Key Laboratory of Xinjiang Endemic and Ethnic Diseases, Shihezi University, Shihezi, Xinjiang 832003, P.R. China
| | - Hanyu Yan
- Ministry of Education Key Laboratory of Xinjiang Endemic and Ethnic Diseases, Shihezi University, Shihezi, Xinjiang 832003, P.R. China
| | - Xiangqin Tian
- NHC Key Laboratory of Prevention and Treatment of Central Asia High Incidence Diseases, First Affiliated Hospital, School of Medicine, Shihezi University, Shihezi, Xinjiang 832008, P.R. China
- Henan Key Laboratory of Medical Tissue Regeneration, Xinxiang Medical University, Xinxiang, Henan 453003, P.R. China
| | - Chenghua Luo
- Ministry of Education Key Laboratory of Xinjiang Endemic and Ethnic Diseases, Shihezi University, Shihezi, Xinjiang 832003, P.R. China
| | - Ketao Ma
- Ministry of Education Key Laboratory of Xinjiang Endemic and Ethnic Diseases, Shihezi University, Shihezi, Xinjiang 832003, P.R. China
- NHC Key Laboratory of Prevention and Treatment of Central Asia High Incidence Diseases, First Affiliated Hospital, School of Medicine, Shihezi University, Shihezi, Xinjiang 832008, P.R. China
| | - Ling Li
- Department of Medical Morphology, Medical Teaching Experimental Center, School of Medicine, Shihezi University, Shihezi, Xinjiang 832000, P.R. China
| | - Liang Zhang
- Ministry of Education Key Laboratory of Xinjiang Endemic and Ethnic Diseases, Shihezi University, Shihezi, Xinjiang 832003, P.R. China
- NHC Key Laboratory of Prevention and Treatment of Central Asia High Incidence Diseases, First Affiliated Hospital, School of Medicine, Shihezi University, Shihezi, Xinjiang 832008, P.R. China
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Mukherjee S, Chopra A, Karmakar S, Bhat SG. Periodontitis increases the risk of gastrointestinal dysfunction: an update on the plausible pathogenic molecular mechanisms. Crit Rev Microbiol 2024:1-31. [PMID: 38602474 DOI: 10.1080/1040841x.2024.2339260] [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: 11/04/2023] [Accepted: 04/01/2024] [Indexed: 04/12/2024]
Abstract
Periodontitis is an immuno-inflammatory disease of the soft tissues surrounding the teeth. Periodontitis is linked to many communicable and non-communicable diseases such as diabetes, cardiovascular disease, rheumatoid arthritis, and cancers. The oral-systemic link between periodontal disease and systemic diseases is attributed to the spread of inflammation, microbial products and microbes to distant organ systems. Oral bacteria reach the gut via swallowed saliva, whereby they induce gut dysbiosis and gastrointestinal dysfunctions. Some periodontal pathogens like Porphyromonas. gingivalis, Klebsiella, Helicobacter. Pylori, Streptococcus, Veillonella, Parvimonas micra, Fusobacterium nucleatum, Peptostreptococcus, Haemophilus, Aggregatibacter actinomycetomcommitans and Streptococcus mutans can withstand the unfavorable acidic, survive in the gut and result in gut dysbiosis. Gut dysbiosis increases gut inflammation, and induce dysplastic changes that lead to gut dysfunction. Various studies have linked oral bacteria, and oral-gut axis to various GIT disorders like inflammatory bowel disease, liver diseases, hepatocellular and pancreatic ductal carcinoma, ulcerative colitis, and Crohn's disease. Although the correlation between periodontitis and GIT disorders is well established, the intricate molecular mechanisms by which oral microflora induce these changes have not been discussed extensively. This review comprehensively discusses the intricate and unique molecular and immunological mechanisms by which periodontal pathogens can induce gut dysbiosis and dysfunction.
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Affiliation(s)
- Sayantan Mukherjee
- Department of Periodontology, Manipal College of Dental Sciences, Manipal, Manipal Academy of Higher Education, Manipal, Karnataka, India
| | - Aditi Chopra
- Department of Periodontology, Manipal College of Dental Sciences, Manipal, Manipal Academy of Higher Education, Manipal, Karnataka, India
| | - Shaswata Karmakar
- Department of Periodontology, Manipal College of Dental Sciences, Manipal, Manipal Academy of Higher Education, Manipal, Karnataka, India
| | - Subraya Giliyar Bhat
- Department of Preventive Dental Sciences, Division of Periodontology, College of Dental Surgery, Iman Abdulrahman Bin Faizal University, Dammam, Saudi Arabia
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Huang Q, Li Y, Chen Z, Ou H, Tan Y, Lin H. Bushenhuoluo Decoction improves polycystic ovary syndrome by regulating exosomal miR-30a-5p/ SOCS3/mTOR/NLRP3 signaling-mediated autophagy and pyroptosis. J Ovarian Res 2024; 17:29. [PMID: 38302986 PMCID: PMC10832128 DOI: 10.1186/s13048-024-01355-x] [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: 06/20/2023] [Accepted: 01/17/2024] [Indexed: 02/03/2024] Open
Abstract
BACKGROUND Polycystic ovary syndrome (PCOS) is a frequent and complicated endocrine disease that remains a major reason for infertility. Bushenhuoluo Decotion (BSHLD) has been validated to exhibit curative effects on PCOS. This study was aimed to explore the potential mechanism underlying the therapeutic action of BSHLD. METHODS PCOS rat model was induced by dehydroepiandrosterone (DHEA). Serum hormone and cytokines levels and ovarian pathological alterations were measured to assess ovarian function. Exosomes (Exos) were identified by Transmission electron microscopy and Nanoparticle Tracking Analysis. RT-qPCR, Western blotting, immunohistochemical staining, and immunofluorescence staining were performed to detect molecule expressions. Proliferation and pyroptosis of granulosa cells (GCs) were evaluated by CCK-8 and flow cytometry, respectively. The binding relationship between miR-30a-5p and suppressor of cytokine signaling 3 (SOCS3) was verified by dual luciferase reporter and RIP assays. RESULTS BSHLD treatment improved serum hormone abnormality, insulin sensitivity, and ovarian morphologic changes of PCOS rats. Moreover, BSHLD treatment restrained the excessive autophagy and pyroptosis in ovarian tissues of PCOS rats. Moreover, BSHLD reduced the expression of miR-30a-5p in serum, serum-derived Exos, and ovarian tissues, thus inhibiting autophagy and NLRP3-mediated pyroptosis in GCs. Mechanistically, SOCS3 was proved as a target of miR-30a-5p and could activate mTOR/P70S6K pathway to repress autophagy. The inhibitory effect of miR-30a-5p deficiency on autophagy and pyroptosis of GCs was attenuated by rapamycin. CONCLUSION Collectively, BSHLD suppressed autophagy and pyroptosis to improve POCS by regulating exosomal miR-30a-5p/SOCS3/mTOR signaling.
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Affiliation(s)
- Qun Huang
- Department of Gynecology, The First Affiliated Hospital of Hunan Traditional Chinese Medical College, Zhuzhou, 412012, Hunan Province, People's Republic of China
| | - Yuanbin Li
- Department of Traditional Chinese Medicine, Hunan Traditional Chinese Medical College, No. 88 Zhihui Road, Shifeng District, Zhuzhou, 412012, Hunan Province, People's Republic of China
| | - Zhuang Chen
- Department of Traditional Chinese Medicine, Hunan Traditional Chinese Medical College, No. 88 Zhihui Road, Shifeng District, Zhuzhou, 412012, Hunan Province, People's Republic of China
| | - Huiping Ou
- Department of Traditional Chinese Medicine, Hunan Traditional Chinese Medical College, No. 88 Zhihui Road, Shifeng District, Zhuzhou, 412012, Hunan Province, People's Republic of China
| | - Yanjiao Tan
- Department of Gynecology, The First Affiliated Hospital of Hunan Traditional Chinese Medical College, Zhuzhou, 412012, Hunan Province, People's Republic of China
| | - Hui Lin
- Department of Traditional Chinese Medicine, Hunan Traditional Chinese Medical College, No. 88 Zhihui Road, Shifeng District, Zhuzhou, 412012, Hunan Province, People's Republic of China.
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Chen Y, Sun L, Liu H, Li J, Guo L, Wang Z. KLF4 interacts with TXNIP to modulate the pyroptosis in ulcerative colitis via regulating NLRP3 signaling. Immun Inflamm Dis 2024; 12:e1199. [PMID: 38411328 PMCID: PMC10898204 DOI: 10.1002/iid3.1199] [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: 07/17/2023] [Revised: 01/25/2024] [Accepted: 02/07/2024] [Indexed: 02/28/2024] Open
Abstract
INTRODUCTION Ulcerative colitis (UC) is one of the most common diseases in the gastrointestinal tract related to abnormal inflammation. Pyroptosis, which is characterized by the formation of inflammasome, activation of caspase-1, and separation of N- and C-terminus of gasdermin D (GSDMD), and may be involved in the pathogenesis of IBD. Krüppel-like factor 4 (KLF4) is a zinc finger transcription factor expressed in differentiated epithelial cells. KLF4 mediates proinflammatory signaling in macrophages. Here, we tested whether KLF4 is functional in pyroptosis of UC. METHODS In human UC tissues and/or lipopolysaccharide (LPS)/adenosine 5-triphosphate (ATP) stimulation human colon epithelial cells, KLF4, TXNIP, Cleave-Caspase-1, and GSDMD expression were detected through quantitative reverse transcription polymerase chain reaction (PCR), immunohistochemical and western blot assay. Interleukin (IL)-1β and IL-18 levels were quantified by enzyme-linked immunosorbent assay. We successfully constructed a KLF4-silenced colon epithelial cell line using an adenovirus vector. We apply the UCSC and JASPAR to predict the KLF4 binding sites in the promoter region of TXNIP. RESULTS In human UC tissues and/or LPS/ATP stimulation human colon epithelial cells, KLF4, TXNIP, Caspase-1, and GSDMD expression level were significantly elevated via quantitative reverse transcription PCR, immunohistochemical and western blot assay. Moreover, We identified that there is an interaction between KLF4 and TXNIP through Yeast double hybrid assay and CO-IP assay. We successfully constructed a KLF4-silenced human intestinal epithelial cell line. In LPS/ATP stimulation KLF4-silenced human intestinal epithelial cells, KLF4, TXNIP, Cleave Caspase-1, ASC, and GSDMD expression level were significantly decreased via quantitative reverse transcription PCR. CONCLUSION Our results confirm that KLF4 can positively regulate the expression of TXNIP and regulate the pyroptosis process of UC through the TXNIP/NLRP3 pathway.
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Affiliation(s)
- Yuan Chen
- Department of Pediatrics, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, People's Republic of China
- Shandong Provincial Clinical Research Center for Children's Health and Disease Office, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, People's Republic of China
| | - Lifeng Sun
- Department of Pediatrics, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, People's Republic of China
- Shandong Provincial Clinical Research Center for Children's Health and Disease Office, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, People's Republic of China
| | - Haiyan Liu
- Department of Pediatrics, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, People's Republic of China
- Shandong Provincial Clinical Research Center for Children's Health and Disease Office, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, People's Republic of China
| | - Jiamei Li
- Department of Pathology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, People's Republic of China
| | - Lu Guo
- Department of Pediatrics, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, People's Republic of China
- Shandong Provincial Clinical Research Center for Children's Health and Disease Office, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, People's Republic of China
| | - Zhiyi Wang
- Department of Hepatobiliary Surgery, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, People's Republic of China
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Huang H, Chen R, Deng X, Wang J, Chen J. GSDMB: A novel, independent prognostic marker and potential new therapeutic target in clear cell renal cell carcinoma. Oncol Lett 2024; 27:85. [PMID: 38249806 PMCID: PMC10797315 DOI: 10.3892/ol.2024.14219] [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: 06/12/2023] [Accepted: 11/08/2023] [Indexed: 01/23/2024] Open
Abstract
Gasdermin (GSDM) family members are involved in numerous biological processes, including pyroptosis, as well as in the initiation and progression of various types of cancer. However, the specific role of GSDM genes in clear cell renal cell carcinoma (ccRCC) has yet to be fully clarified. The present study investigated the differential expression and genetic alterations GSDM genes, their effects on prognosis and immune modulation, and their functional enrichment in ccRCC. Several bioinformatics databases were used, including UALCAN, The Cancer Genome Atlas, Gene Expression Profiling Interactive Analysis, Metascape, Tumor Immune Estimation Resource, GSCALite and cBioPortal. The results revealed that the expression levels of GSDMA, GSDMB, GSDMC and GSDMD were significantly upregulated in cancer tissues compared with those in paracancerous tissues in patients with ccRCC, whereas the expression of DFNB59 exhibited the opposite trend. The results were experimentally validated in patients with ccRCC, and it was confirmed that the expression levels of GSDMA, GSDMB, GSDMC, GSDMD and GSDME (DFNA5) were significantly enhanced, whereas (PJVK, DFNB59) expression was reduced. In addition, elevated GSDMB, GSDMD and DFNA5 expression levels were clearly associated with worse pathological characteristics of ccRCC, including a high pathological stage and high tumor grade. Furthermore, the high expression levels of GSDMB, GSDMC, GSDMD, DFNA5 and PJVK were shown to be associated with worse overall survival (OS) and progression-free interval in patients with ccRCC. Both univariate and multivariate analyses indicated that the expression of GSDMB was independently associated with the OS of patients with ccRCC. Additionally, a high mutation rate of GSDM genes (33%) was observed in patients with ccRCC, and GSDM gene mutations were also significantly associated with a poor OS in patients with ccRCC. Significant associations between GSDM genes and ccRCC immunoprofiling and drug sensitivity were also determined. In conclusion, the findings of the present study indicated that GSDMB, GSDMD and DFNA5 may be considered promising therapeutic agents and potential biomarkers for patients with ccRCC. Furthermore, GSDMB could act as an independent predictor for the OS of patients with ccRCC.
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Affiliation(s)
- Hongshuang Huang
- Department of Urology, The Affiliated Hospital of Putian University, Putian, Fujian 351100, P.R. China
| | - Ru Chen
- Department of Urology, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330000, P.R. China
| | - Xinxi Deng
- Department of Urology, Jiujiang No. 1 People's Hospital, Jiujiang, Jiangxi 332000, P.R. China
| | - Jie Wang
- Department of Ultrasound, Clinical Medical College and The First Affiliated Hospital of Chengdu Medical College, Chengdu, Sichuan 610500, P.R. China
| | - Jianhui Chen
- Department of Urology, Fujian Medical University Union Hospital, Fuzhou, Fujian 350000, P.R. China
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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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Li YX, Lv L, Li SL, Qian HH. Gentianine alleviates dextran sulfate sodium-induced ulcerative colitis via inhibition of TLR4/NLRP3-mediated pyroptosis. Int Immunopharmacol 2024; 126:111214. [PMID: 37979455 DOI: 10.1016/j.intimp.2023.111214] [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: 07/19/2023] [Revised: 10/24/2023] [Accepted: 11/09/2023] [Indexed: 11/20/2023]
Abstract
OBJECTIVES Ulcerative colitis (UC) is a common inflammatory bowel disorder. Gentiana scabra Bunge is a traditional medicinal plant that is used to treat a variety of diseases. Studies have shown that gentianine (GTN) from Gentiana scabra inhibits the development of inflammatory diseases. The purpose of this study was to investigate the effect and possible mechanism of action of GTN on UC in mice. METHODS An animal model of UC was established using dextran sulfate sodium (DSS). Mice were administered intraperitoneally with GTN (12.5, 25, or 50 mg/kg/day) for seven days. Body weight and disease activity index (DAI) were monitored daily during GTN administration. Colon length, pathological changes, and myeloperoxidase (MPO) activity were measured following GTN administration. The signalling pathways regulated by GTN were analysed using machine learning. HT-29 cells were used to verify the effect and mechanism of action of GTN on UC in vitro. RESULTS GTN suppressed weight loss, shortened colon length, alleviated colon injury, and reduced the DAI score and MPO activity of mice with UC in a dose-dependent manner. Further analysis showed that GTN inhibited the NOD-like receptor (NLR) signalling pathway. GTN markedly decreased the levels of NLR signalling pathway-related proteins. Moreover, GTN decreased the levels of pyroptosis-related proteins, IL-1β and IL-18. The in vitro data were consistent with those of animal experiments. Furthermore, TLR4 and NLRP3 overexpression eliminated the protective effects of GTN in HT-29 cells. CONCLUSION Gentianine alleviated DSS-induced UC by inhibiting TLR4/NLRP3-mediated pyroptosis.
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Affiliation(s)
- Yun-Xia Li
- First Clinical Medical College, Nanjing University of Chinese Medicine, Nanjing 210023, Jiangsu, China
| | - Lei Lv
- First Clinical Medical College, Nanjing University of Chinese Medicine, Nanjing 210023, Jiangsu, China
| | - Shao-Liang Li
- First Clinical Medical College, Nanjing University of Chinese Medicine, Nanjing 210023, Jiangsu, China
| | - Hai-Hua Qian
- Department of Anorectal Surgery, The Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing 210029, Jiangsu, China.
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Ye Z, Li L, Li Y, Hu Y, Wu M, Yu H, Zhao Q, Zhang C, Lu F, Peng X, Sun M, Ganesan K, Qin K, Ye Q. Tou Nong powder obstructs ulcerative colitis through the regulation of NF-κB/NLRP3/Caspase-1/GSDMD inflammasome pyroptotic pathway. JOURNAL OF ETHNOPHARMACOLOGY 2023; 317:116846. [PMID: 37356744 DOI: 10.1016/j.jep.2023.116846] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/17/2023] [Revised: 06/14/2023] [Accepted: 06/22/2023] [Indexed: 06/27/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Tou Nong Powder (TNP), a classical Chinese medicinal formula originated from the Chinese Ming Dynasty, has been applied to treat skin ulcers in patients with deficient constitutions. According to theory of traditional Chinese medicine, colonic ulcers share similar pathological conditions with skin ulcers, and consequently, TNP has been applied to ulcerative colitis (UC) safely and effectively. AIM OF STUDY To investigate whether TNP obstructs 2,4,6-trinitrobenzene sulfonic acid (TNBS) induced enteric inflammation through regulation of NLRP3 inflammasome and attenuating enteric pyroptosis. MATERIALS AND METHODS Network pharmacology and UPLC-Q-TOF/MS were operated to identify compounds and pharmacological potential targets. The therapeutic effects of TNP were assessed on TNBS induced colitis via general symptoms (disease activity index, colonic weight and length) and histopathological observation. The NF-κB/NLRP3/Caspase-1/GSDMD signaling pathway regulation was investigated by Western blot and real time reverse transcription polymerase chain reaction (RT-qPCR). RESULTS TNP ameliorates the disease activity index, reverses the increase of colonic weight increase, alleviates colonic shortening and colonic histopathological injury. A decrease in tumor necrosis factor α (TNF-α), diamine oxidase (DAO), intercellular adhesion molecule-1 (ICAM-1), and endo-toxin (ET) were investigated in peripheral circulation. Moreover, TNP significantly obstructed the NF-κB/NLRP3/Caspase-1/GSDMD signaling pathway. CONCLUSION TNP displays a promising therapeutic effect on UC via suppressing NF-κB/NLRP3/Caspase-1/GSDMD signaling pathway and reducing the expression of IL-1β and IL-18.
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Affiliation(s)
- Zhen Ye
- School of Basic Medical Sciences, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, China.
| | - Linzhen Li
- School of Basic Medical Sciences, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, China.
| | - Yuzheng Li
- School of Basic Medical Sciences, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, China.
| | - Yu Hu
- School of Basic Medical Sciences, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, China.
| | - Mingquan Wu
- Department of Pharmacy, Sichuan Orthopedic Hospital, Chengdu, China.
| | - Han Yu
- School of Basic Medical Sciences, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, China.
| | - Qian Zhao
- School of Basic Medical Sciences, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, China.
| | - Chen Zhang
- State Key Laboratory of Southwestern Chinese Medicine Resources, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, China.
| | - Fating Lu
- School of Basic Medical Sciences, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, China.
| | - Xi Peng
- Sichuan Industrial Institute of Antibiotics, School of Pharmacy, Chengdu University, No. 2025, Chengluo Road, Chengdu, Sichuan, China.
| | - Mengmeng Sun
- College of Science, Sichuan Agricultural University, Xin Kang Road, Yucheng District, Ya'an, 625014, China.
| | - Kumar Ganesan
- School of Chinese Medicine, LKS Faculty of Medicine, The University of Hong Kong, Hong Kong.
| | - Kaihua Qin
- Health Preservation and Rehabilitation College, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, China.
| | - Qiaobo Ye
- School of Basic Medical Sciences, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, China.
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10
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Nabatanzi R, Ssekamatte P, Castelnuovo B, Kambugu A, Nakanjako D. Increased Levels of Caspase-1 and IL-1β Among Adults With Persistent Immune Activation After 12 Years of Suppressive Antiretroviral Therapy in the Infectious Diseases Institute HIV Treatment Cohort. Open Forum Infect Dis 2023; 10:ofad539. [PMID: 37953818 PMCID: PMC10638490 DOI: 10.1093/ofid/ofad539] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Indexed: 11/14/2023] Open
Abstract
Background We sought evidence of activated pyroptosis and the inflammasome pathways among human immunodeficiency virus (HIV)-infected adults after 12 years of suppressive antiretroviral therapy (ART) and persistent immune activation in the Infectious Diseases Institute HIV treatment cohort in Uganda. Methods In a cross-sectional study, using peripheral blood mononuclear cells of HIV-infected individuals with high and low immune activation (CD4/CD8+CD38+HLA-DR+ cells) relative to HIV-negative reference group, caspase-1 expression was measured using flow cytometry and plasma interleukin 18 and interleukin 1β (IL-1β) levels using enzyme-linked immunosorbent assay. Results There was higher expression of caspase-1 by CD4 T cells of ART-treated individuals with high immune activation relative to those with lower immune activation (P = .04). Similarly, plasma levels of IL-1β were higher among ART-treated individuals with high immune activation levels relative to those with low immune activation levels (P = .009). We observed a low positive correlation between caspase-1 expression by CD4/CD8 T cells and immune activation levels (r= 0.497 and r= 0.329, respectively). Conclusions Caspase-1 and IL-1β were high among individuals with high immune activation despite 12 years of suppressive ART. There is a need to further understand the role of persistent abortive infection and the latent HIV reservoir characteristics as drivers of persistent activation and inflammation and to subsequently intervene to prevent the complications of chronic immune activation during long-term ART.
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Affiliation(s)
- Rose Nabatanzi
- Department of Immunology and Molecular Biology, Makerere University College of Health Sciences, Kampala, Uganda
- Infectious Diseases Institute, Makerere University College of Health Sciences, Kampala, Uganda
| | - Phillip Ssekamatte
- Department of Immunology and Molecular Biology, Makerere University College of Health Sciences, Kampala, Uganda
| | - Barbara Castelnuovo
- Infectious Diseases Institute, Makerere University College of Health Sciences, Kampala, Uganda
- Department of Medicine, School of Medicine, Makerere University College of Health Sciences, Kampala, Uganda
| | - Andrew Kambugu
- Infectious Diseases Institute, Makerere University College of Health Sciences, Kampala, Uganda
- Department of Medicine, School of Medicine, Makerere University College of Health Sciences, Kampala, Uganda
| | - Damalie Nakanjako
- Infectious Diseases Institute, Makerere University College of Health Sciences, Kampala, Uganda
- Department of Medicine, School of Medicine, Makerere University College of Health Sciences, Kampala, Uganda
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11
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Zheng Y, Zhu T, Chen B, Fang Y, Wu Y, Feng X, Pang M, Wang H, Zhu J, Lin Z. Diallyl disulfide attenuates pyroptosis via NLRP3/Caspase-1/IL-1β signaling pathway to exert a protective effect on hypoxic-ischemic brain damage in neonatal rats. Int Immunopharmacol 2023; 124:111030. [PMID: 37844463 DOI: 10.1016/j.intimp.2023.111030] [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: 07/25/2023] [Revised: 09/26/2023] [Accepted: 10/04/2023] [Indexed: 10/18/2023]
Abstract
Hypoxic-ischemic encephalopathy (HIE) is a perinatal brain disease caused by hypoxia in neonates. It is one of the leading causes of neonatal death in the perinatal period, as well as disability beyond the neonatal period. Due to the lack of a unified and comprehensive treatment strategy for HIE, research into its pathogenesis is essential. Diallyl disulfide (DADS) is an allicin extract, with detoxifying, antibacterial, and cardiovascular disease protective effects. This study aimed to determine whether DADS can alleviate HIE induced brain damage in rats and oxygen-glucose deprivation (OGD)-induced pyroptosis in PC12 cells, as well as whether it can inhibit pyroptosis via the NLRP3/Caspase-1/IL-1β signaling pathway. In vivo, DADS significantly reduced the cerebral infarction volume, alleviated inflammatory reaction, reduced astrocyte activation, promoted tissue structure recovery, improved pyroptosis caused by HIE and improved the prognosis following HI injury. In vitro findings indicated that DADS increased cell activity, decreased LDH activity and reduced the expression of pyroptosis-related proteins, including IL-1β, IL-18, and certain inflammatory factors in PC12 cells caused by OGD. Mechanistically, DADS inhibited pyroptosis and protected against HIE via the NLRP3/Caspase-1/IL-1β pathway. The specific inhibitor of caspase-1, VX-765, inhibited caspase-1 activation, and IL-1β expression was determined. Additionally, the overexpression of NLRP3 reversed the protective effect of allicin against OGD-induced pyroptosis. In conclusion, these findings demonstrated that DADS inhibits the NLRP3/Caspase-1/IL-1β signaling pathway and decreases HI brain damage.
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Affiliation(s)
- Yihui Zheng
- Department of Neonatology, The Second Affiliated Hospital and Yuying Children's Hospital, Wenzhou Medical University, Wenzhou, China; Key Laboratory of Perinatal Medicine of Wenzhou, Wenzhou, Zhejiang, China; School of Second Clinical Medical, Wenzhou Medical University, Wenzhou, China
| | - Tingyu Zhu
- Department of Neonatology, The Second Affiliated Hospital and Yuying Children's Hospital, Wenzhou Medical University, Wenzhou, China; Key Laboratory of Perinatal Medicine of Wenzhou, Wenzhou, Zhejiang, China; School of Second Clinical Medical, Wenzhou Medical University, Wenzhou, China
| | - Binwen Chen
- Department of Neonatology, The Second Affiliated Hospital and Yuying Children's Hospital, Wenzhou Medical University, Wenzhou, China; Key Laboratory of Perinatal Medicine of Wenzhou, Wenzhou, Zhejiang, China
| | - Yu Fang
- Department of Neonatology, The Second Affiliated Hospital and Yuying Children's Hospital, Wenzhou Medical University, Wenzhou, China; Key Laboratory of Perinatal Medicine of Wenzhou, Wenzhou, Zhejiang, China
| | - Yiqing Wu
- Department of Neonatology, The Second Affiliated Hospital and Yuying Children's Hospital, Wenzhou Medical University, Wenzhou, China; Key Laboratory of Perinatal Medicine of Wenzhou, Wenzhou, Zhejiang, China
| | - Xiaoli Feng
- Department of Neonatology, The Second Affiliated Hospital and Yuying Children's Hospital, Wenzhou Medical University, Wenzhou, China; Key Laboratory of Perinatal Medicine of Wenzhou, Wenzhou, Zhejiang, China
| | - Mengdan Pang
- Department of Neonatology, The Second Affiliated Hospital and Yuying Children's Hospital, Wenzhou Medical University, Wenzhou, China; Key Laboratory of Perinatal Medicine of Wenzhou, Wenzhou, Zhejiang, China
| | - Hongzeng Wang
- Department of Neonatology, The Second Affiliated Hospital and Yuying Children's Hospital, Wenzhou Medical University, Wenzhou, China; Key Laboratory of Perinatal Medicine of Wenzhou, Wenzhou, Zhejiang, China
| | - Jianghu Zhu
- Department of Neonatology, The Second Affiliated Hospital and Yuying Children's Hospital, Wenzhou Medical University, Wenzhou, China; Key Laboratory of Perinatal Medicine of Wenzhou, Wenzhou, Zhejiang, China; School of Second Clinical Medical, Wenzhou Medical University, Wenzhou, China
| | - Zhenlang Lin
- Department of Neonatology, The Second Affiliated Hospital and Yuying Children's Hospital, Wenzhou Medical University, Wenzhou, China; Key Laboratory of Perinatal Medicine of Wenzhou, Wenzhou, Zhejiang, China; School of Second Clinical Medical, Wenzhou Medical University, Wenzhou, China.
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12
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Zhang D, Ge F, Ji J, Li YJ, Zhang FR, Wang SY, Zhang SJ, Zhang DM, Chen M. β-sitosterol alleviates dextran sulfate sodium-induced experimental colitis via inhibition of NLRP3/Caspase-1/GSDMD-mediated pyroptosis. Front Pharmacol 2023; 14:1218477. [PMID: 37954856 PMCID: PMC10637366 DOI: 10.3389/fphar.2023.1218477] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2023] [Accepted: 10/16/2023] [Indexed: 11/14/2023] Open
Abstract
Background: Inflammation-related NLRP3/Caspase-1/GSDMD-mediated pyroptosis is involved in the progression of ulcerative colitis (UC). β-sitosterol (SIT) was reported to have anti-inflammatory effects on experimental colitis, while the regulation of SIT on pyroptosis is unclear. Therefore, the present study aimed to define the protective and healing effects of SIT on dextran sulfate sodium (DSS)-induced experimental UC rats and human epithelial colorectal adenocarcinoma cells (Caco-2) and explore the underlying mechanisms that are responsible for its effects on NLRP3/Caspase-1/GSDMD-mediated pyroptosis in UC. Methods: UC model rats were established by oral 4% DSS. Following colitis injury, the animals received SIT (doses of 50, 100, and 200 mg/kg) treatment for 2 weeks. For in vitro study, we exposed Caco-2-50 mg/mL DSS with or without SIT (concentrations of 8 and 16 μg/mL). Disease activity index (DAI) and histopathological injury were assessed in vivo. Activation proteins of nuclear factor kappa B (NF-κB) signaling axis, and tight junction-related proteins of zonula occludens-1 (ZO-1) and occludin were detected in colon tissues. TNF-α, IL-1β, and IL-18 in serum and cell supernatant were measured by enzyme-linked immunosorbent assay (ELISA). Changes in NLRP3/Caspase-1/GSDMD-mediated pyroptosis signaling pathway activation were analyzed both in tissues and cells. Results: Our findings suggested that SIT treatment attenuated the severity of 4% DSS-induced UC by protecting rats from weight and colon length loss, and macroscopic damage. SIT also reduced proinflammatory factors production (TNF-α, IL-1β, and IL-18) in serum and cell supernatant. Mechanistically, SIT downregulated the expression levels of pyroptosis-related proteins including Caspase-1, cleaved-Caspase-1, NLRP3, GSDMD, and GSDMD-N in colon tissues and Caco-2 cells. Further analysis indicated that SIT maintained the colonic barrier integrity by enhancing the protein expression of ZO-1 and occludin. Conclusion: We confirmed that SIT exerts protective and therapeutic effects on DSS-induced colitis injury by suppressing NLRP3/Caspase-1/GSDMD-mediated pyroptosis and inflammation response. These findings demonstrated that SIT could be a potential medication for UC treatment.
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Affiliation(s)
- Di Zhang
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Fei Ge
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Jing Ji
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Yu-Jing Li
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Fu-Rong Zhang
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Shu-Yan Wang
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Shu-Jing Zhang
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Dong-Mei Zhang
- Key Laboratory of Chinese Internal Medicine of Ministry of Education and Beijing, Dongzhimen Hospital, Affiliated Hospital of Beijing University of Chinese Medicine, Beijing, China
| | - Meng Chen
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
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13
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Skrzyniarz K, Kuc-Ciepluch D, Lasak M, Arabski M, Sanchez-Nieves J, Ciepluch K. Dendritic systems for bacterial outer membrane disruption as a method of overcoming bacterial multidrug resistance. Biomater Sci 2023; 11:6421-6435. [PMID: 37605901 DOI: 10.1039/d3bm01255g] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/23/2023]
Abstract
The alarming rise of multi-drug resistant microorganisms has increased the need for new approaches through the development of innovative agents that are capable of attaching to the outer layers of bacteria and causing permanent damage by penetrating the bacterial outer membrane. The permeability (disruption) of the outer membrane of Gram-negative bacteria is now considered to be one of the main ways to overcome multidrug resistance in bacteria. Natural and synthetic permeabilizers such as AMPs and dendritic systems seem promising. However, due to their advantages in terms of biocompatibility, antimicrobial capacity, and wide possibilities for modification and synthesis, highly branched polymers and dendritic systems have gained much more interest in recent years. Various forms of arrangement, and structure of the skeleton, give dendritic systems versatile applications, especially the possibility of attaching other ligands to their surface. This review will focus on the mechanisms used by different types of dendritic polymers, and their complexes with macromolecules to enhance their antimicrobial effect, and to permeabilize the bacterial outer membrane. In addition, future challenges and potential prospects are illustrated in the hope of accelerating the advancement of nanomedicine in the fight against resistant pathogens.
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Affiliation(s)
- Kinga Skrzyniarz
- Division of Medical Biology, Jan Kochanowski University, Kielce, Poland.
| | | | - Magdalena Lasak
- Division of Medical Biology, Jan Kochanowski University, Kielce, Poland.
| | - Michał Arabski
- Division of Medical Biology, Jan Kochanowski University, Kielce, Poland.
| | - Javier Sanchez-Nieves
- Dpto. de Química Orgánica y Química Inorgánica, Universidad de Alcalá (UAH), Campus Universitario, E-28871 Alcalá de Henares, Madrid, Spain
- Instituto de Investigación Química "Andrés M. del Río" (IQAR, UAH), Spain
- Networking Research Center on Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), Instituto de Salud Carlos III, Madrid, Spain
- Institute for Health Research Ramón y Cajal (IRYCIS), Madrid, Spain
| | - Karol Ciepluch
- Division of Medical Biology, Jan Kochanowski University, Kielce, Poland.
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14
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Zhu B, Niu Y, Guo H, Jin X, Liu F. Pyroptosis and inflammation‑mediated endothelial dysfunction may act as key factors in the development of erectile dysfunction (Review). Mol Med Rep 2023; 28:165. [PMID: 37449500 PMCID: PMC10407613 DOI: 10.3892/mmr.2023.13052] [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: 01/23/2023] [Accepted: 05/12/2023] [Indexed: 07/18/2023] Open
Abstract
Erectile dysfunction (ED) is a prevalent disease that causes sexual dysfunction in males. Inflammation‑induced endothelial dysfunction is a fundamental pathophysiological symptom of ED, which is impacted by cell death. Pyroptosis is a type of programmed cell death mediated by the inflammasome that was discovered in inflammatory disorders. The activation of nucleotide‑binding oligomerization domain‑like receptors, particularly downstream inflammatory factors, such as IL‑1β and IL‑18, is indicative of caspase‑dependent pyroptosis. Although the underlying mechanisms of pyroptosis have been investigated in several disorders, the role of pyroptosis in ED remains to be fully elucidated. At present, studies on pyroptosis have focused on improving the understanding of ED pathogenesis and promoting the development of novel therapeutic options. The present review article aimed to discuss the literature surrounding the mechanisms underlying pyroptosis, and summarize the role of pyroptosis in the development and progression of inflammation‑mediated ED.
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Affiliation(s)
- Bingbing Zhu
- Department of Human Anatomy, School of Basic Medical Science, Xinjiang Medical University, Urumqi, Xinjiang Uygur Autonomous Region 830011, P.R. China
- Xinjiang Key Laboratory of Molecular Biology of Endemic Diseases, Urumqi, Xinjiang Uygur Autonomous Region 830011, P.R. China
| | - Yangjiu Niu
- Department of Human Anatomy, School of Basic Medical Science, Xinjiang Medical University, Urumqi, Xinjiang Uygur Autonomous Region 830011, P.R. China
- Xinjiang Key Laboratory of Molecular Biology of Endemic Diseases, Urumqi, Xinjiang Uygur Autonomous Region 830011, P.R. China
| | - Haoqiang Guo
- Department of Human Anatomy, School of Basic Medical Science, Xinjiang Medical University, Urumqi, Xinjiang Uygur Autonomous Region 830011, P.R. China
- Xinjiang Key Laboratory of Molecular Biology of Endemic Diseases, Urumqi, Xinjiang Uygur Autonomous Region 830011, P.R. China
| | - Xiufang Jin
- Department of Human Anatomy, School of Basic Medical Science, Xinjiang Medical University, Urumqi, Xinjiang Uygur Autonomous Region 830011, P.R. China
- Xinjiang Key Laboratory of Molecular Biology of Endemic Diseases, Urumqi, Xinjiang Uygur Autonomous Region 830011, P.R. China
| | - Fengxia Liu
- Department of Human Anatomy, School of Basic Medical Science, Xinjiang Medical University, Urumqi, Xinjiang Uygur Autonomous Region 830011, P.R. China
- Xinjiang Key Laboratory of Molecular Biology of Endemic Diseases, Urumqi, Xinjiang Uygur Autonomous Region 830011, P.R. China
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15
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Escobar-Chavarría O, Benitez-Guzman A, Jiménez-Vázquez I, Carrisoza-Urbina J, Arriaga-Pizano L, Huerta-Yépez S, Baay-Guzmán G, Gutiérrez-Pabello JA. Necrotic Cell Death and Inflammasome NLRP3 Activity in Mycobacterium bovis-Infected Bovine Macrophages. Cells 2023; 12:2079. [PMID: 37626889 PMCID: PMC10453650 DOI: 10.3390/cells12162079] [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: 06/28/2023] [Revised: 08/05/2023] [Accepted: 08/10/2023] [Indexed: 08/27/2023] Open
Abstract
Mycobacterium bovis is a facultative intracellular bacterium that produces cellular necrosis in granulomatous lesions in bovines. Although M. bovis-induced inflammation actively participates in granuloma development, its role in necrotic cell death and in bovine macrophages has not been fully explored. In this study, we evaluate the effect of M. bovis AN5 and its culture filtrate protein extract (CFPE) on inflammasome activation in bovine macrophages and its consequences on cell death. Our results show that both stimuli induce necrotic cell death starting 4 h after incubation. CFPE treatment and M. bovis infection also induce the maturation of IL-1β (>3000 pg/mL), oligomerization of ASC (apoptosis-associated speck-like protein containing CARD), and activation of caspase-1, following the canonical activation pathway of the NLRP3 inflammasome. Inhibiting the oligomerization of NLRP3 and caspase-1 decreases necrosis among the infected or CFPE-stimulated macrophages. Furthermore, histological lymph node sections of bovines naturally infected with M. bovis contained cleaved gasdermin D, mainly in macrophages and giant cells within the granulomas. Finally, the induction of cell death (apoptosis and pyroptosis) decreased the intracellular bacteria count in the infected bovine macrophages, suggesting that cell death helps to control the intracellular growth of the mycobacteria. Our results indicate that M. bovis induces pyroptosis-like cell death that is partially related to the NLRP3 inflammasome activation and that the cell death process could control bacterial growth.
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Affiliation(s)
- Omar Escobar-Chavarría
- Departamento de Microbiología e Inmunología, Facultad de Medicina Veterinaria y Zootecnia, Universidad Nacional Autónoma de México, Mexico City 04510, Mexico; (O.E.-C.); (A.B.-G.); (I.J.-V.); (J.C.-U.)
| | - Alejandro Benitez-Guzman
- Departamento de Microbiología e Inmunología, Facultad de Medicina Veterinaria y Zootecnia, Universidad Nacional Autónoma de México, Mexico City 04510, Mexico; (O.E.-C.); (A.B.-G.); (I.J.-V.); (J.C.-U.)
| | - Itzel Jiménez-Vázquez
- Departamento de Microbiología e Inmunología, Facultad de Medicina Veterinaria y Zootecnia, Universidad Nacional Autónoma de México, Mexico City 04510, Mexico; (O.E.-C.); (A.B.-G.); (I.J.-V.); (J.C.-U.)
| | - Jacobo Carrisoza-Urbina
- Departamento de Microbiología e Inmunología, Facultad de Medicina Veterinaria y Zootecnia, Universidad Nacional Autónoma de México, Mexico City 04510, Mexico; (O.E.-C.); (A.B.-G.); (I.J.-V.); (J.C.-U.)
| | - Lourdes Arriaga-Pizano
- Unidad de Investigación Médica en Inmunoquímica, Hospital de Especialidades del Centro Médico Siglo XXI, Instituto Mexicano del Seguro Social, Mexico City 06720, Mexico;
| | - Sara Huerta-Yépez
- Unidad de Investigación en Enfermedades Oncológicas, Hospital Infantil de México, Federico Gómez, Mexico City 06720, Mexico; (S.H.-Y.); (G.B.-G.)
| | - Guillermina Baay-Guzmán
- Unidad de Investigación en Enfermedades Oncológicas, Hospital Infantil de México, Federico Gómez, Mexico City 06720, Mexico; (S.H.-Y.); (G.B.-G.)
| | - José A. Gutiérrez-Pabello
- Departamento de Microbiología e Inmunología, Facultad de Medicina Veterinaria y Zootecnia, Universidad Nacional Autónoma de México, Mexico City 04510, Mexico; (O.E.-C.); (A.B.-G.); (I.J.-V.); (J.C.-U.)
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16
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Ma ZR, Li ZL, Zhang N, Lu B, Li XW, Huang YH, Nouhoum D, Liu XS, Xiao KC, Cai LT, Xu SR, Yang XXO, Huang SQ, Wu X. Inhibition of GSDMD-mediated pyroptosis triggered by Trichinella spiralis intervention contributes to the alleviation of DSS-induced ulcerative colitis in mice. Parasit Vectors 2023; 16:280. [PMID: 37580819 PMCID: PMC10424392 DOI: 10.1186/s13071-023-05857-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2023] [Accepted: 06/30/2023] [Indexed: 08/16/2023] Open
Abstract
BACKGROUND Inflammatory bowel disease (IBD), including Crohn's disease (CD) and ulcerative colitis (UC), is increasing worldwide. Although there is currently no completely curative treatment, helminthic therapy shows certain therapeutic potential for UC. Many studies have found that Trichinella spiralis (T.s) has a protective effect on UC, but the specific mechanism is still unclear. METHODS Balb/c mice drank dextran sulfate sodium (DSS) to induce acute colitis and then were treated with T.s. In vitro experiments, the LPS combination with ATP was used to induce the pyroptosis model, followed by intervention with crude protein from T.s (T.s cp). Additionally, the pyroptosis agonist of NSC or the pyroptosis inhibitor vx-765 was added to intervene to explore the role of pyroptosis in DSS-induced acute colitis. The degree of pyroptosis was evaluated by western blot, qPCR and IHC, etc., in vivo and in vitro. RESULTS T.s intervention significantly inhibited NLRP3 inflammasome activation and GSDMD-mediated pyroptosis by downregulating the expression of pyroptosis-related signatures in vitro (cellular inflammatory model) and in vivo (DSS-induced UC mice model). Furthermore, blockade of GSDMD-mediated pyroptosis by the caspase-1 inhibitor vx-765 has a similar therapeutic effect on DSS-induced UC mice with T.s intervention, thus indicating that T.s intervention alleviated DSS-induced UC in mice by inhibiting GSDMD-mediated pyroptosis. CONCLUSION This study showed that T.s could alleviate the pathological severity UC via GSDMD-mediated pyroptosis, and it provides new insight into the mechanistic study and application of helminths in treating colitis.
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Affiliation(s)
- Zhen-Rong Ma
- Department of Medical Parasitology, Xiangya School of Basic Medicine, Central South University, Changsha, 410013, Hunan, China
| | - Zhuo-Lin Li
- Department of Medical Parasitology, Xiangya School of Basic Medicine, Central South University, Changsha, 410013, Hunan, China
| | - Ni Zhang
- Department of Medical Parasitology, Xiangya School of Basic Medicine, Central South University, Changsha, 410013, Hunan, China
| | - Bin Lu
- Department of Medical Parasitology, Xiangya School of Basic Medicine, Central South University, Changsha, 410013, Hunan, China
| | - Xuan-Wu Li
- Department of Medical Parasitology, Xiangya School of Basic Medicine, Central South University, Changsha, 410013, Hunan, China
| | - Ye-Hong Huang
- Department of Medical Parasitology, Xiangya School of Basic Medicine, Central South University, Changsha, 410013, Hunan, China
| | - Dibo Nouhoum
- Department of Medical Parasitology, Xiangya School of Basic Medicine, Central South University, Changsha, 410013, Hunan, China
| | - Xian-Shu Liu
- Department of Medical Parasitology, Xiangya School of Basic Medicine, Central South University, Changsha, 410013, Hunan, China
| | - Ke-Chun Xiao
- Department of Medical Parasitology, Xiangya School of Basic Medicine, Central South University, Changsha, 410013, Hunan, China
| | - Li-Ting Cai
- Department of Medical Parasitology, Xiangya School of Basic Medicine, Central South University, Changsha, 410013, Hunan, China
| | - Shao-Rui Xu
- Department of Medical Parasitology, Xiangya School of Basic Medicine, Central South University, Changsha, 410013, Hunan, China
| | - Xue-Xian O Yang
- Department of Molecular & Genetic and Microbiology, University of New Mexico School of Medicine, Albuquerque, NM, 87131, USA
| | - Shuai-Qin Huang
- Department of Medical Parasitology, Xiangya School of Basic Medicine, Central South University, Changsha, 410013, Hunan, China.
| | - Xiang Wu
- Department of Medical Parasitology, Xiangya School of Basic Medicine, Central South University, Changsha, 410013, Hunan, China.
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17
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Wen J, Creaven D, Luan X, Wang J. Comparison of immunotherapy mediated by apoptotic bodies, microvesicles and exosomes: apoptotic bodies' unique anti-inflammatory potential. J Transl Med 2023; 21:478. [PMID: 37461033 DOI: 10.1186/s12967-023-04342-w] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2023] [Accepted: 07/10/2023] [Indexed: 07/20/2023] Open
Abstract
Immunotherapy, including immunostimulation and immunosuppression, has seen significant development in the last 10 years. Immunostimulation has been verified as effective in anti-cancer treatment, while immunosuppression is used in the treatment of autoimmune disease and inflammation. Currently, with the update of newly-invented simplified isolation methods and the findings of potent triggered immune responses, extracellular vesicle-based immunotherapy is very eye-catching. However, the research on three main types of extracellular vesicles, exosomes, microvesicles and apoptotic bodies, needs to be more balanced. These three subtypes share a certain level of similarity, and at the same time, they have their own properties caused by the different methods of biogensis. Herein, we summarized respectively the status of immunotherapy based on each kind of vesicle and discuss the possible involved mechanisms. In conclusion, we highlighted that the effect of the apoptotic body is clear and strong. Apoptotic bodies have an excellent potential in immunosuppressive and anti-inflammatory therapies .
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Affiliation(s)
- Jing Wen
- Department of Pharmacy, The Third Hospital of Changsha, Changsha, China
| | - Dale Creaven
- Regenerative Medicine Institute (REMEDI), School of Medicine, College of Medicine, Nursing and Health Sciences, University of Galway, Galway, Ireland
| | - Xiangshu Luan
- School of Life Science and Technology, China Pharmaceutical University, Nanjing, China
| | - Jiemin Wang
- Regenerative Medicine Institute (REMEDI), School of Medicine, College of Medicine, Nursing and Health Sciences, University of Galway, Galway, Ireland.
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Distinct GSDMB protein isoforms and protease cleavage processes differentially control pyroptotic cell death and mitochondrial damage in cancer cells. Cell Death Differ 2023; 30:1366-1381. [PMID: 36899106 PMCID: PMC10154425 DOI: 10.1038/s41418-023-01143-y] [Citation(s) in RCA: 23] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2022] [Revised: 02/17/2023] [Accepted: 02/21/2023] [Indexed: 03/12/2023] Open
Abstract
Gasdermin (GSDM)-mediated pyroptosis is functionally involved in multiple diseases, but Gasdermin-B (GSDMB) exhibit cell death-dependent and independent activities in several pathologies including cancer. When the GSDMB pore-forming N-terminal domain is released by Granzyme-A cleavage, it provokes cancer cell death, but uncleaved GSDMB promotes multiple pro-tumoral effects (invasion, metastasis, and drug resistance). To uncover the mechanisms of GSDMB pyroptosis, here we determined the GSDMB regions essential for cell death and described for the first time a differential role of the four translated GSDMB isoforms (GSDMB1-4, that differ in the alternative usage of exons 6-7) in this process. Accordingly, we here prove that exon 6 translation is essential for GSDMB mediated pyroptosis, and therefore, GSDMB isoforms lacking this exon (GSDMB1-2) cannot provoke cancer cell death. Consistently, in breast carcinomas the expression of GSDMB2, and not exon 6-containing variants (GSDMB3-4), associates with unfavourable clinical-pathological parameters. Mechanistically, we show that GSDMB N-terminal constructs containing exon-6 provoke cell membrane lysis and a concomitant mitochondrial damage. Moreover, we have identified specific residues within exon 6 and other regions of the N-terminal domain that are important for GSDMB-triggered cell death as well as for mitochondrial impairment. Additionally, we demonstrated that GSDMB cleavage by specific proteases (Granzyme-A, Neutrophil Elastase and caspases) have different effects on pyroptosis regulation. Thus, immunocyte-derived Granzyme-A can cleave all GSDMB isoforms, but in only those containing exon 6, this processing results in pyroptosis induction. By contrast, the cleavage of GSDMB isoforms by Neutrophil Elastase or caspases produces short N-terminal fragments with no cytotoxic activity, thus suggesting that these proteases act as inhibitory mechanisms of pyroptosis. Summarizing, our results have important implications for understanding the complex roles of GSDMB isoforms in cancer or other pathologies and for the future design of GSDMB-targeted therapies.
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Sun J, Gan L, Lv S, Wang T, Dai C, Sun J. Exposure to Di-(2-Ethylhexyl) phthalate drives ovarian dysfunction by inducing granulosa cell pyroptosis via the SLC39A5/NF-κB/NLRP3 axis. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2023; 252:114625. [PMID: 36774801 DOI: 10.1016/j.ecoenv.2023.114625] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/23/2022] [Revised: 01/25/2023] [Accepted: 02/06/2023] [Indexed: 06/18/2023]
Abstract
Endocrine-disrupting chemicals (EDCs) have been reported to affect populations by disrupting the human endocrine system. Di-(2-ethylhexyl) phthalate (DEHP) is an EDC that is present in various consumer products. Exposure to DEHP could contribute to reproductive system dysfunction, with subsequent adverse female reproductive outcomes. Granulosa cells (GCs) play essential roles in ovarian function and fertility. To further reveal the underlying mechanism by which DEHP impairs female fertility and affects the normal function of GCs, in vivo and in vitro experiments were performed. Transcript sequencing was used to identify genes that were differentially expressed in GCs after DEHP treatment. SLC39A5 was shown to be overexpressed in the DEHP group compared to the normal control group. DEHP treatment and overexpression of SLC39A5 activated NF-κB-related factors, followed by an increase in the transcript expression level of NLRP3. NLRP3 inflammasomes play crucial roles in pyroptosis by acting as sensors. Pyroptosis is a type of inflammation-related cell death associated with various diseases, including ovarian cancer and polycystic ovary syndrome. Activation of NF-κB contributed to the upregulation of pyroptosis in GCs, while pyroptosis factors were downregulated after the inhibition of NF-κB with JSH-23. The same phenomenon was also observed in a mouse model in which DEHP-treated mice had higher expression levels of NF-κB and pyroptosis markers in GCs. Moreover, this phenomenon could be partially reversed by the NF-κB inhibitor JSH-23. DEHP treatment also disrupted the normal expression of ovarian function-related genes and inhibited the proliferation of GCs. Reproductive system impairment was observed in mice exposed to DEHP. DEHP-treated mice had a lower body weight, smaller reproductive organs, fewer healthy follicles, and diminished ovarian reserve. Thus, DEHP contributes to ovarian dysfunction by inducing pyroptosis via the SLC39A5/NF-κB/NLRP3 axis in GCs.
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Affiliation(s)
- Jiani Sun
- Shanghai Key Laboratory of Maternal Fetal Medicine, Shanghai Institute of Maternal-Fetal Medicine and Gynecologic Oncology, Shanghai First Maternity and Infant Hospital, School of Medicine, Tongji University, Shanghai 200092, China
| | - Lei Gan
- Department of Gynaecology and Obstetrics, Ningbo First Hospital, Ningbo, Zhejiang 315010, China
| | - Siji Lv
- Shanghai Key Laboratory of Maternal Fetal Medicine, Shanghai Institute of Maternal-Fetal Medicine and Gynecologic Oncology, Shanghai First Maternity and Infant Hospital, School of Medicine, Tongji University, Shanghai 200092, China
| | - Tao Wang
- Shanghai Key Laboratory of Maternal Fetal Medicine, Shanghai Institute of Maternal-Fetal Medicine and Gynecologic Oncology, Shanghai First Maternity and Infant Hospital, School of Medicine, Tongji University, Shanghai 200092, China
| | - Chaoqun Dai
- Shanghai Key Laboratory of Maternal Fetal Medicine, Shanghai Institute of Maternal-Fetal Medicine and Gynecologic Oncology, Shanghai First Maternity and Infant Hospital, School of Medicine, Tongji University, Shanghai 200092, China
| | - Jing Sun
- Shanghai Key Laboratory of Maternal Fetal Medicine, Shanghai Institute of Maternal-Fetal Medicine and Gynecologic Oncology, Shanghai First Maternity and Infant Hospital, School of Medicine, Tongji University, Shanghai 200092, China.
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Gorgij E, Fanaei H, Yaghmaei P, Shahraki MR, Mirahmadi H. Maternal treadmill exercise ameliorates impairment of neurological outcome, caspase-1 and NLRP3 gene expression alteration in neonatal hypoxia-ischemia rats. IRANIAN JOURNAL OF BASIC MEDICAL SCIENCES 2023; 26:228-234. [PMID: 36742136 PMCID: PMC9869874 DOI: 10.22038/ijbms.2022.66183.14544] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Figures] [Subscribe] [Scholar Register] [Received: 06/19/2022] [Accepted: 11/12/2022] [Indexed: 02/07/2023]
Abstract
Objectives Neonatal hypoxia-ischemia (HI) is one of the most important causes of neurological disorders in children. Various studies suggest that maternal exercise during pregnancy has a beneficial impact on the health status of offspring infants. In this study, the effect of maternal treadmill exercise during pregnancy on neurological and molecular changes induced by HI in newborn rats was investigated. Materials and Methods In this experiment, 24 pregnant female rats were divided into two groups; the first group was subjected to treadmill exercise for six weeks. The treadmill exercise program was initiated by running for 17 min at 5-10 m/min at 0 inclination in the first week, followed by running for 21 min at 5-25 m/min at 5° inclination in the second week, running for 25 min at 5-30 m/min at 10° inclination in the third and fourth weeks, running for 25 min at 5-15 m/min at 10° inclination in the fifth and sixth weeks. The second group was left untreated and did not perform the exercise. Newborn rats were assigned to four groups; (1) control, (2) control+exercise, (3) HI, and (4) HI+exercise. HI was developed in the offspring on the 8th postnatal day. One week following the induction of HI, the Garcia test was carried out. The histological morphology of neonates was assessed, and the expression levels of caspase-1 and NLRP3 were evaluated. Results The data showed that maternal exercise during pregnancy significantly improved neural cell death (P<0.001) and the Garcia score (P<0.05), while it attenuated the expression levels of caspase-1 (P<0.001) and NLRP3 (P<0.05) genes in newborn rats induced by HI. Conclusion These results demonstrated that maternal treadmill exercise during pregnancy could reverse the neurological deficits, as well as the expression levels of caspase-1 and NLRP3 genes, which occur in neonatal hypoxia-ischemia.
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Affiliation(s)
- Elahe Gorgij
- Department of Biology, Science and Research Branch, Islamic Azad University, Tehran, Iran
| | - Hamed Fanaei
- Pregnancy Health Research Center, Zahedan University of Medical Sciences, Zahedan, Iran, Department of Physiology, Zahedan University of Medical Sciences, Zahedan, Iran
| | - Parichehr Yaghmaei
- Department of Biology, Science and Research Branch, Islamic Azad University, Tehran, Iran,Corresponding author: Parichehr Yaghmaei. Department of Biology, Science and Research Branch, Islamic Azad University, Tehran, Iran.
| | | | - Hadi Mirahmadi
- Infectious Diseases and Tropical Medicine Research Center, Zahedan University of Medical Sciences, Zahedan, Iran
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21
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Xiao K, Zhou M, Lv Q, He P, Qin X, Wang D, Zhao J, Liu Y. Protocatechuic acid and quercetin attenuate ETEC-caused IPEC-1 cell inflammation and injury associated with inhibition of necroptosis and pyroptosis signaling pathways. J Anim Sci Biotechnol 2023; 14:5. [PMID: 36721159 PMCID: PMC9890695 DOI: 10.1186/s40104-022-00816-x] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2022] [Accepted: 12/02/2022] [Indexed: 02/02/2023] Open
Abstract
BACKGROUND Necroptosis and pyroptosis are newly identified forms of programmed cell death, which play a vital role in development of many gastrointestinal disorders. Although plant polyphenols have been reported to protect intestinal health, it is still unclear whether there is a beneficial role of plant polyphenols in modulating necroptosis and pyroptosis in intestinal porcine epithelial cell line (IPEC-1) infected with enterotoxigenic Escherichia coli (ETEC) K88. This research was conducted to explore whether plant polyphenols including protocatechuic acid (PCA) and quercetin (Que), attenuated inflammation and injury of IPEC-1 caused by ETEC K88 through regulating necroptosis and pyroptosis signaling pathways. METHODS IPEC-1 cells were treated with PCA (40 μmol/L) or Que (10 μmol/L) in the presence or absence of ETEC K88. RESULTS PCA and Que decreased ETEC K88 adhesion and endotoxin level (P < 0.05) in cell supernatant. PCA and Que increased cell number (P < 0.001) and decreased lactate dehydrogenases (LDH) activity (P < 0.05) in cell supernatant after ETEC infection. PCA and Que improved transepithelial electrical resistance (TEER) (P < 0.001) and reduced fluorescein isothiocyanate-labeled dextran (FD4) flux (P < 0.001), and enhanced membrane protein abundance of occludin, claudin-1 and ZO-1 (P < 0.05), and rescued distribution of these tight junction proteins (P < 0.05) after ETEC infection. PCA and Que also declined cell necrosis ratio (P < 0.05). PCA and Que reduced mRNA abundance and concentration of tumor necrosis factor-α (TNF-α), interleukin (IL)-6 and IL-8 (P < 0.001), and down-regulated gene expression of toll-like receptors 4 (TLR4) and its downstream signals (P < 0.001) after ETEC infection. PCA and Que down-regulated protein abundance of total receptor interacting protein kinase 1 (t-RIP1), phosphorylated-RIP1 (p-RIP1), p-RIP1/t-RIP1, t-RIP3, p-RIP3, mixed lineage kinase domain-like protein (MLKL), p-MLKL, dynamin- related protein 1 (DRP1), phosphoglycerate mutase 5 (PGAM5) and high mobility group box 1 (HMGB1) (P < 0.05) after ETEC infection. Moreover, PCA and Que reduced protein abundance of nod-like receptor protein 3 (NLRP3), nod-like receptors family CARD domain-containing protein 4 (NLRC4), apoptosis-associated speck-like protein containing a CARD (ASC), gasdermin D (GSDMD) and caspase-1 (P < 0.05) after ETEC infection. CONCLUSIONS In general, our data suggest that PCA and Que are capable of attenuating ETEC-caused intestinal inflammation and damage via inhibiting necroptosis and pyroptosis signaling pathways.
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Affiliation(s)
- Kan Xiao
- grid.412969.10000 0004 1798 1968Hubei Key Laboratory of Animal Nutrition and Feed Science, Wuhan Polytechnic University, Wuhan, 430023 People’s Republic of China
| | - Mohan Zhou
- grid.412969.10000 0004 1798 1968Hubei Key Laboratory of Animal Nutrition and Feed Science, Wuhan Polytechnic University, Wuhan, 430023 People’s Republic of China
| | - Qingqing Lv
- grid.412969.10000 0004 1798 1968Hubei Key Laboratory of Animal Nutrition and Feed Science, Wuhan Polytechnic University, Wuhan, 430023 People’s Republic of China
| | - Pengwei He
- grid.412969.10000 0004 1798 1968Hubei Key Laboratory of Animal Nutrition and Feed Science, Wuhan Polytechnic University, Wuhan, 430023 People’s Republic of China
| | - Xu Qin
- grid.412969.10000 0004 1798 1968Hubei Key Laboratory of Animal Nutrition and Feed Science, Wuhan Polytechnic University, Wuhan, 430023 People’s Republic of China
| | - Dan Wang
- grid.412969.10000 0004 1798 1968Hubei Key Laboratory of Animal Nutrition and Feed Science, Wuhan Polytechnic University, Wuhan, 430023 People’s Republic of China
| | - Jiangchao Zhao
- grid.411017.20000 0001 2151 0999Department of Animal Science, Division of Agriculture, University of Arkansas, Fayetteville, AR 72701 USA
| | - Yulan Liu
- grid.412969.10000 0004 1798 1968Hubei Key Laboratory of Animal Nutrition and Feed Science, Wuhan Polytechnic University, Wuhan, 430023 People’s Republic of China
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Kerr NA, Sanchez J, O'Connor G, Watson BD, Daunert S, Bramlett HM, Dietrich WD. Inflammasome-Regulated Pyroptotic Cell Death in Disruption of the Gut-Brain Axis After Stroke. Transl Stroke Res 2022; 13:898-912. [PMID: 35306629 DOI: 10.1007/s12975-022-01005-8] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2021] [Revised: 02/11/2022] [Accepted: 03/07/2022] [Indexed: 10/18/2022]
Abstract
Approximately 50% of stroke survivors experience gastrointestinal complications. The innate immune response plays a role in changes to the gut-brain axis after stroke. The purpose of this study is to examine the importance of inflammasome-mediated pyroptosis in disruption of the gut-brain axis after experimental stroke. B6129 mice were subjected to a closed-head photothrombotic stroke. We examined the time course of inflammasome protein expression in brain and intestinal lysate using western blot analysis at 1-, 3-, and 7-days post-injury for caspase-1, interleukin-1β, nod-like receptor protein 3 (NLRP3), and apoptosis speck-like protein containing a caspase-recruiting domain (ASC) and gasdermin-D (GSDMD) cleavage. In a separate group of mice, we processed brain tissue 24 and 72 h after thrombotic stroke for immunohistochemical analysis of neuronal and endothelial cell pyroptosis. We examined intestinal tissue for morphological changes and pyroptosis of macrophages. We performed behavioral tests and assessed gut permeability changes to confirm functional changes after stroke. Our data show that thrombotic stroke induces inflammasome activation in the brain and intestinal tissue up to 7-day post-injury as well as pyroptosis of neurons, cerebral endothelial cells, and intestinal macrophages. We found that thrombotic stroke leads to neurocognitive and motor function deficits as well as increased gut permeability. Finally, the adoptive transfer of serum-derived EVs from stroke mice into naive induced inflammasome activation in intestinal tissues. Taken together, these results provide novel information regarding possible mechanisms underlying gut complications after stroke and the identification of new therapeutic targets for reducing the widespread consequences of ischemic brain injury.
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Affiliation(s)
- Nadine A Kerr
- Miami Project to Cure Paralysis, Leonard M. Miller School of Medicine, University of Miami, 1095 NW 14th Terrace, Miami, FL, 33136, USA
| | - Juliana Sanchez
- Miami Project to Cure Paralysis, Leonard M. Miller School of Medicine, University of Miami, 1095 NW 14th Terrace, Miami, FL, 33136, USA
| | - Gregory O'Connor
- Department of Biochemistry and Molecular Biology, University of Miami Miller School of Medicine, Miami, FL, USA
| | - Brant D Watson
- Peritz Scheinberg Cerebral Vascular Disease Research Laboratory, Department of Neurology, Leonard M. Miller School of Medicine, University of Miami, Miami, FL, USA
| | - Sylvia Daunert
- Department of Biochemistry and Molecular Biology, University of Miami Miller School of Medicine, Miami, FL, USA
| | - Helen M Bramlett
- Miami Project to Cure Paralysis, Leonard M. Miller School of Medicine, University of Miami, 1095 NW 14th Terrace, Miami, FL, 33136, USA
- Department of Neurological Surgery, Leonard M. Miller School of Medicine, University of Miami, 1095 NW 14th Terrace, Miami, FL, 33136, USA
- Bruce W. Carter Department of Veterans Affairs Medical Center, Miami, FL, USA
| | - W Dalton Dietrich
- Miami Project to Cure Paralysis, Leonard M. Miller School of Medicine, University of Miami, 1095 NW 14th Terrace, Miami, FL, 33136, USA.
- Department of Neurological Surgery, Leonard M. Miller School of Medicine, University of Miami, 1095 NW 14th Terrace, Miami, FL, 33136, USA.
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Necrosulfonamide ameliorates intestinal inflammation via inhibiting GSDMD-medicated pyroptosis and MLKL-mediated necroptosis. Biochem Pharmacol 2022; 206:115338. [DOI: 10.1016/j.bcp.2022.115338] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2022] [Revised: 10/16/2022] [Accepted: 10/31/2022] [Indexed: 11/06/2022]
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Jia X, Li Z, Guo Y, Ma H, Wang J, Xue Y, Li B, Cai Y, Yang Q. The potential mechanism of huazhuojiedu decoction in the treatment of ulcerative colitis based on network pharmacology and experimental validation. Front Pharmacol 2022; 13:1033874. [PMID: 36313293 PMCID: PMC9614068 DOI: 10.3389/fphar.2022.1033874] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2022] [Accepted: 10/03/2022] [Indexed: 11/19/2022] Open
Abstract
Huazhuojiedu decoction (HZJDD), a traditional Chinese medicine prescription, has been clinically proven to be an effective treatment for ulcerative colitis (UC). However, the mechanism of HZJDD in the treatment of UC remains unclear. This study combined network pharmacology with experimental validation to explore the potential mechanism of HZJDD on UC. First, the relationship network diagrams between HZJDD and UC were established based on multiple databases. Then, the HZJDD-UC intersection genes target network was constructed and Gene Ontology-Biological processes (GO-BP) analysis was performed to discover the potential pharmacological mechanism. Finally, the results of GO-BP were verified in dextran sulfate sodium salt (DSS) induced UC rats. The network pharmacology results showed that 119 active components and 146 potential targets were screened for HZJDD, and six of the top 15 biological processes belonged to inflammatory response, cellular response to hypoxia, and cellular response to lipopolysaccharide (LPS). The GO-BP results indicated that the mechanism of HZJDD treatment of UC was related to inflammation, oxidative stress, and the regulation of LPS. Animal experiments showed that HZJDD could significantly reduce the disease activity index (DAI) score, improve colon length, and effectively repair the histomorphological and micromorphological changes in DSS-induced UC rats. Moreover, HZJDD reduced the expressions of CRP, TNF-α, IL-6, LPS, IL-1β, and IL-18; downregulated the activity of MDA; and upregulated the activities of CAT, GSH, and SOD in DSS-induced UC rats. Furthermore, HZJDD suppressed the expression of the NLRP3/caspase-1 signaling pathway at the gene and protein levels to inhibit pyroptosis. Network pharmacology and animal experiments showed that HZJDD exerted a therapeutic effect on DSS-induced UC rats by reducing inflammation, oxidative stress, and restraining the NLRP3/caspase-1 signaling pathway to inhibit pyroptosis.
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Affiliation(s)
- Xuemei Jia
- The First Affiliated Hospital, Hebei University of Chinese Medicine, Shijiazhuang, China
- Department of Gastroenterology, Hebei Province Hospital of Chinese Medicine, Shijiazhuang, China
| | - Ze Li
- The First Affiliated Hospital, Hebei University of Chinese Medicine, Shijiazhuang, China
- Department of Gastroenterology, Hebei Province Hospital of Chinese Medicine, Shijiazhuang, China
| | - Yuxi Guo
- The First Affiliated Hospital, Hebei University of Chinese Medicine, Shijiazhuang, China
- Department of Gastroenterology, Hebei Province Hospital of Chinese Medicine, Shijiazhuang, China
| | - Hongyu Ma
- The First Affiliated Hospital, Hebei University of Chinese Medicine, Shijiazhuang, China
- Department of Traditional Chinese Medicine, Hebei General Hospital, Shijiazhuang, China
| | - Jie Wang
- The First Affiliated Hospital, Hebei University of Chinese Medicine, Shijiazhuang, China
- Department of Gastroenterology, Hebei Province Hospital of Chinese Medicine, Shijiazhuang, China
| | - Yucong Xue
- The First Affiliated Hospital, Hebei University of Chinese Medicine, Shijiazhuang, China
- School of Pharmacy, Hebei University of Chinese Medicine, Shijiazhuang, China
| | - Bolin Li
- The First Affiliated Hospital, Hebei University of Chinese Medicine, Shijiazhuang, China
- Department of Gastroenterology, Hebei Province Hospital of Chinese Medicine, Shijiazhuang, China
| | - Yanru Cai
- The First Affiliated Hospital, Hebei University of Chinese Medicine, Shijiazhuang, China
- Department of Gastroenterology, Hebei Province Hospital of Chinese Medicine, Shijiazhuang, China
- *Correspondence: Yanru Cai, ; Qian Yang,
| | - Qian Yang
- The First Affiliated Hospital, Hebei University of Chinese Medicine, Shijiazhuang, China
- Department of Gastroenterology, Hebei Province Hospital of Chinese Medicine, Shijiazhuang, China
- *Correspondence: Yanru Cai, ; Qian Yang,
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Su Y, Sai Y, Zhou L, Liu Z, Du P, Wu J, Zhang J. Current insights into the regulation of programmed cell death by TP53 mutation in cancer. Front Oncol 2022; 12:1023427. [PMID: 36313700 PMCID: PMC9608511 DOI: 10.3389/fonc.2022.1023427] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2022] [Accepted: 09/29/2022] [Indexed: 11/13/2022] Open
Abstract
Gene mutation is a complicated process that influences the onset and progression of cancer, and the most prevalent mutation involves the TP53 gene. One of the ways in which the body maintains homeostasis is programmed cell death, which includes apoptosis, autophagic cell death, pyroptosis, ferroptosis, NETosis, and the more recently identified process of cuprotosis. Evasion of these cell deaths is a hallmark of cancer cells, and our elucidation of the way these cells die helps us better understands the mechanisms by which cancer arises and provides us with more ways to treat it.Studies have shown that programmed cell death requires wild-type p53 protein and that mutations of TP53 can affect these modes of programmed cell death. For example, mutant p53 promotes iron-dependent cell death in ferroptosis and inhibits apoptotic and autophagic cell death. It is clear that TP53 mutations act on more than one pathway to death, and these pathways to death do not operate in isolation. They interact with each other and together determine cell death. This review focuses on the mechanisms via which TP53 mutation affects programmed cell death. Clinical investigations of TP53 mutation and the potential for targeted pharmacological agents that can be used to treat cancer are discussed.
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Affiliation(s)
- Yali Su
- Department of Clinical Laboratory, North China University of Science and Technology Affiliated Tangshan Maternal and Child Heath Care Hospital, Tangshan, China
| | - Yingying Sai
- Department of Clinical Laboratory, North China University of Science and Technology Affiliated Tangshan Maternal and Child Heath Care Hospital, Tangshan, China
| | - Linfeng Zhou
- Department of Clinical Laboratory, North China University of Science and Technology Affiliated Tangshan Maternal and Child Heath Care Hospital, Tangshan, China
| | - Zeliang Liu
- Department of Clinical Laboratory, North China University of Science and Technology Affiliated Hospital, Tangshan, China
| | - Panyan Du
- Department of Clinical Laboratory, North China University of Science and Technology Affiliated Tangshan Maternal and Child Heath Care Hospital, Tangshan, China
| | - Jinghua Wu
- Department of Clinical Laboratory, North China University of Science and Technology Affiliated Tangshan Maternal and Child Heath Care Hospital, Tangshan, China
- *Correspondence: Jinghua Wu, ; Jinghua Zhang,
| | - Jinghua Zhang
- Department of Clinical Laboratory, North China University of Science and Technology Affiliated Tangshan Maternal and Child Heath Care Hospital, Tangshan, China
- *Correspondence: Jinghua Wu, ; Jinghua Zhang,
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Wu Y, Li A, Liu H, Zhang Z, Zhang C, Ma C, Zhang L, Zhang J. Lactobacillus plantarum HNU082 alleviates dextran sulfate sodium-induced ulcerative colitis in mice through regulating gut microbiome. Food Funct 2022; 13:10171-10185. [PMID: 36111438 DOI: 10.1039/d2fo02303b] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/02/2022]
Abstract
Probiotics have shown good efficacy in the prevention of ulcerative colitis (UC), but the specific mechanism remains unclear. Therefore, shotgun metagenomic and transcriptome analyses were performed to explore the preventive effect of a potential probiotic Lactobacillus plantarum HNU082 (Lp082) on UC and its specific mechanism. The results showed that Lp082 intervention ameliorated dextran sulfate sodium (DSS)-induced UC in mice, which was manifested in the increase in body weight, water intake, food intake, and colon length and the decrease in the DAI index, immune organ index, inflammatory factors and histopathological scores after Lp082 intake. The mechanism is deeply studied and it is discovered that Lp082 improves the intestinal mucosal barrier by co-optimizing biological barriers, chemical barriers, mechanical barriers, and immune barriers. Specifically, Lp082 improved the biological barrier by increasing the diversity, optimizing the species composition and the structure of the gut microbiota, increasing bacteria producing short chain fatty acids (SCFAs), and activating microbial metabolic pathways producing SCFAs so as to enhance the content of SCFAs. Lp082 optimized the chemical barrier by decreasing the mRNA expression of ICAM-1 and VCAM and by increasing the content of goblet cells and the mRNA expression and immunofluorescent protein content of mucin2. Lp082 ameliorated the mechanical barrier by decreasing the mRNA expression of claudin-1 and claudin-2, and by increasing the mRNA expression of ZO-1 and ZO-2 and the immunofluorescent protein content of ZO-1. Lp082 also optimized the immune barrier by increasing the mRNA expression of IL-10, TGF-β1, and TGF-β2 and by decreasing the mRNA expression and protein contents of IL-6, tumour necrosis factor-alpha (TNF-α) and myeloperoxidase (MPO). In addition, Lp082 can also regulate the metabolic pathways of inflammation and disease in mice, and notably, Lp082 inhibits the NF-κB signaling pathway by inhibiting NF-κB signaling molecules to alleviate UC. In conclusion, improving gut microbiota dysbiosis, protecting the intestinal mucosal barrier, regulating inflammatory and disease pathways, and affecting neutrophil infiltration are the potential mechanisms of probiotic Lp082 in alleviating UC. Our study enriches the mechanism and provides a new prospect for Lactobacillus plantarum HNU082 in the prevention of colitis, provides support for the development of probiotic-based microbial products as an alternative prevention strategy for UC, and provides guidance for the future probiotic prevention of human colitis.
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Affiliation(s)
- Yuqing Wu
- Key Laboratory of Food Nutrition and Functional Food of Hainan Province, College of Food Science and Engineering, Hainan University, Haikou 570228, China.
| | - Ao Li
- Key Laboratory of Food Nutrition and Functional Food of Hainan Province, College of Food Science and Engineering, Hainan University, Haikou 570228, China.
| | - Huanwei Liu
- Key Laboratory of Food Nutrition and Functional Food of Hainan Province, College of Food Science and Engineering, Hainan University, Haikou 570228, China.
| | - Zeng Zhang
- Key Laboratory of Food Nutrition and Functional Food of Hainan Province, College of Food Science and Engineering, Hainan University, Haikou 570228, China.
| | - Chengcheng Zhang
- School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, China
| | - Chenchen Ma
- Key Laboratory of Food Nutrition and Functional Food of Hainan Province, College of Food Science and Engineering, Hainan University, Haikou 570228, China.
| | - Lin Zhang
- Key Laboratory of Food Nutrition and Functional Food of Hainan Province, College of Food Science and Engineering, Hainan University, Haikou 570228, China.
| | - Jiachao Zhang
- Key Laboratory of Food Nutrition and Functional Food of Hainan Province, College of Food Science and Engineering, Hainan University, Haikou 570228, China. .,One Health Institute, Hainan University, Haikou, Hainan 570228, China
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Polysaccharides from Garlic Protect against Liver Injury in DSS-Induced Inflammatory Bowel Disease of Mice via Suppressing Pyroptosis and Oxidative Damage. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2022; 2022:2042163. [PMID: 36017235 PMCID: PMC9398839 DOI: 10.1155/2022/2042163] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/17/2022] [Revised: 07/12/2022] [Accepted: 07/27/2022] [Indexed: 11/30/2022]
Abstract
Inflammatory bowel disease (IBD), a widespread intestinal disease threatening human health, is commonly accompanied by secondary liver injury (SLI). Pyroptosis and oxidative stress act as an important role underlying the pathophysiology of SLI, during which a large number of proinflammatory cytokines and oxidative intermediates can be produced, thereby causing the liver severely damaged. Suppression of pyroptosis and oxidative damage can be considered one of the critical strategies for SLI therapy. Garlic, a natural food with eatable and medicinal functions, is widely used in people's daily life. There is no study about the alleviation of garlic against IBD accompanied with SLI. This study is aimed at investigating the efficacy of the polysaccharides from garlic (PSG) in treating IBD and SLI, as well as its pharmacological mechanism. The results showed that PSG significantly alleviated dextran sulfate sodium-induced IBD determined by evaluating the bodyweight loss, disease activity index, colon length, and colonic pathological examination of mice. PSG significantly reduced the colonic inflammation by reversing the levels of myeloperoxidase, diamine oxidase activity, iNOS, and COX2 and strengthened the intestinal barrier by increasing the expressions of ZO1, occludin, and MUC2 of IBD mice. Furthermore, PSG strongly alleviated SLI determined by assessing the liver morphological change, liver index, levels of ALT and AST, and liver pathological change of mice. Mechanically, PSG reduced the high levels of LPS, IL-1β, IL18, NLRP3, gasdermin D, caspase 1, ASC, TLR4, MyD88, NF-κB, phospho-NF-κB, while it increased IL-10 in the livers of mice, indicating that PSG alleviated SLI by suppressing inflammation and pyroptosis. Additionally, PSG significantly inhibited the oxidative damage in the liver tissues of SLI mice by reducing the levels of ROS, MDA, Keap-1, 8-OHDG, and phospho-H2AX and increasing the levels of GPX4, SOD2, HO1, NQO1, and Nrf2. These findings suggested that the garlic polysaccharides could be used to treat IBD accompanied with SLI in humans.
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Zhang S, Luo H, Tan D, Peng B, Zhong Z, Wang Y. Holism of Chinese herbal medicine prescriptions for inflammatory bowel disease: A review based on clinical evidence and experimental research. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2022; 102:154202. [PMID: 35665678 DOI: 10.1016/j.phymed.2022.154202] [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: 03/02/2022] [Revised: 05/17/2022] [Accepted: 05/22/2022] [Indexed: 06/15/2023]
Abstract
BACKGROUND Inflammatory bowel disease (IBD) is a chronic nonspecific inflammatory disease that causes a heavy burden and lacks effective treatments. Chinese herbal medicine prescriptions (CHMPs), which are characterized by a synergistic usage of herbs, are widely used in the management of IBD. The molecular mechanisms of action of CHMP are still ambiguous as the canonical "one-compound-one-target" approach has difficulty describing the dynamic bioreactions among CHMP objects. It seems more flexible to define the holism of CHMP for IBD by employing high-throughput analysis. However, studies that discuss the development of CHMP in treating IBD in a holistic view are still lacking. PURPOSE This review appraised preclinical and clinical research to fully describe the anti-IBD capacity of CHMPs and discussed CHMPs' holistic characteristics that can contribute to better management of IBD. METHODS & RESULTS We screened clinical and preclinical references of CHMP being used as treatments for IBD. We discussed the complexity of IBD and the development of CHMP to present the sophistication of CHMP treatments. To describe the clinical effectiveness of CHMPs against IBD, we performed an umbrella review of CHMP-associated META analyses, in which 1174 records were filtered down to 12 references. Then, we discussed 14 kinds of CHMPs that had a long history of use and analyzed their mechanisms of action. Representative herbs were employed to provide a subordinate explanation for the whole prescription. As holism is the dominant characteristic of CHMPs, we explored applications of CHMPs for IBD with the help of omics, gut microbiome, and network pharmacology, which are potential approaches to a dynamic figure of bioactions of CHMPs. CONCLUSION This review is the first to discuss the potential of CHMPs to manage IBD in a holistic context and will provide inspiring explanations for CHMP applications for further product transformation and application to other diseases.
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Affiliation(s)
- Siyuan Zhang
- Macau Centre for Research and Development in Chinese Medicine, State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macao SAR 999078, China
| | - Hua Luo
- Macau Centre for Research and Development in Chinese Medicine, State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macao SAR 999078, China
| | - Dechao Tan
- Macau Centre for Research and Development in Chinese Medicine, State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macao SAR 999078, China
| | - Bo Peng
- Macau Centre for Research and Development in Chinese Medicine, State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macao SAR 999078, China
| | - Zhangfeng Zhong
- Macau Centre for Research and Development in Chinese Medicine, State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macao SAR 999078, China.
| | - Yitao Wang
- Macau Centre for Research and Development in Chinese Medicine, State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macao SAR 999078, China.
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Kui Jie Tong Ameliorates Ulcerative Colitis by Regulating Gut Microbiota and NLRP3/Caspase-1 Classical Pyroptosis Signaling Pathway. DISEASE MARKERS 2022; 2022:2782112. [PMID: 35832643 PMCID: PMC9273439 DOI: 10.1155/2022/2782112] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/17/2022] [Accepted: 06/03/2022] [Indexed: 01/16/2023]
Abstract
Ulcerative colitis (UC) is one of the most refractory digestive diseases in the world. Kui jie tong (KJT) is an effective traditional Chinese medicine used clinically to treat UC. This study observed the regulatory effects of KJT on NIMA-related kinase 7- (NEK7-) activated nod-like receptor protein-3 (NLRP3)/caspase-1 classical pyroptosis pathway and intestinal flora in UC model rats. KJT components were analyzed using an ultraperformance liquid chromatography-tandem mass spectrometer (UPLC-MS/MS). A UC Sprague Dawley (SD) rat model was established using sodium dextran sulfate (DSS). Rats were randomly divided into four groups: control group (CG), UC model group (UG), KJT group (KG), and sulfasalazine (SASP) group (SG). After seven days of intervention, each group's body weight, disease activity index (DAI) scores, and colon length were recorded. Intestinal mucosal injury to each group was observed using hematoxylin-eosin staining. Additionally, we investigated the expression levels of NEK7, NLRP3, ASC, caspase-1, and GSDMD in intestinal mucosa, as well as serum interleukin- (IL-) 1β, IL-18, and IL-33 proinflammatory factors. Intestinal microflora was analyzed using 16s rRNA sequencing. KJT controlled weight loss; decreased DAI scores; restored colon length; improved pathological injury in the colon; inhibited NEK7, NLRP3, ASC, caspase-1, cleaved-caspase-1, GSDMD, and GSDMD-N expression; and decreased IL-1β, IL-18, and IL-33 contents in UG rats' serum and colon tissue (P <0.001 or P <0.05). KJT also increased Ruminococcaceae, unclassified_f_Ruminococcaceae, and unclassified_g_Ruminococcus_1 levels and decreased Erysipelotrichia, Erysipelotrichales, Erysipelotrichaceae, Turicibacter, and uncultured_bacterium_g_Turicibacter levels. KJT alleviated UC immune-inflammatory responses to NLRP3/caspase-1 by inhibiting the NEK-7-activated classic pyroptosis pathway and improving intestinal microflora.
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Four-Pyroptosis Gene-Based Nomogram as a Novel Strategy for Predicting the Effect of Immunotherapy in Hepatocellular Carcinoma. BIOMED RESEARCH INTERNATIONAL 2022; 2022:2680110. [PMID: 35782053 PMCID: PMC9242783 DOI: 10.1155/2022/2680110] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/01/2022] [Accepted: 05/28/2022] [Indexed: 11/20/2022]
Abstract
Background Immunotherapy has been considered as a promising cancer treatment for hepatocellular carcinoma (HCC). However, due to the particular immune environment of the liver, identifying patients who could benefit from immunotherapy is critical in clinical practice. Methods The pyroptosis gene expression database of 54 candidates from The Cancer Genome Atlas (TCGA) were collected to discover the critical prognostic-related pyroptosis genes. A novel pyroptosis gene model was established to calculate the risk score. Kaplan–Meier analysis and receiver operating characteristic curve (ROC) were used to verify its predictive ability. The International Cancer Genome Consortium (ICGC) data was collected as external validation data to verify the model's accuracy. We employed multiple bioinformatics tools and algorithms to evaluate the tumor immune microenvironment (TIME) and the response to immunotherapy. Results Our study found that most pyroptosis genes were expressed differently in normal and tumor tissues and that their expression was associated with the prognosis. Then, a precise four-pyroptosis gene model was generated. The one-year area under the curves (AUCs) among the training, internal, and external validation patients were 0.901, 0.727, and 0.671, respectively. An analysis of survival data revealed that individuals had a worse prognosis than patients with low risk. The analysis of TIME revealed that the low-risk group had more antitumor cells, fewer immunosuppressive cells, stronger immune function, less immune checkpoint gene expression, and better immunotherapy response than the high-risk group. Immunophenoscore (IPS) analysis also demonstrated that the low-risk score was related to superior immune checkpoint inhibitors therapy. Conclusion A nomogram based on the four-pyroptosis gene signature was a novel tool to predict the effectiveness of immunotherapy for HCC. Therefore, individualized treatment targeting the pyroptosis genes may influence TIME and play an essential role in improving the prognosis in HCC patients.
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Li Y, Lin X, Wang W, Wang W, Cheng S, Huang Y, Zou Y, Ke J, Zhu L. The Proinflammatory Role of Guanylate-Binding Protein 5 in Inflammatory Bowel Diseases. Front Microbiol 2022; 13:926915. [PMID: 35722277 PMCID: PMC9201962 DOI: 10.3389/fmicb.2022.926915] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2022] [Accepted: 05/09/2022] [Indexed: 01/31/2023] Open
Abstract
NLRP3 inflammasome is implicated in the pathogenesis of inflammatory bowel diseases (IBD). Since guanylate-binding protein 5 (GBP5) induces the NLRP3 inflammasome activity, we aim to investigate the potential role of GBP5 in IBD pathogenesis. The expression of GBP5, NLRP3 inflammasome, and related cytokines and chemokines was examined in two cohorts of IBD patients and healthy controls, by microarray transcriptome analysis and quantitative real-time PCR. Cellular localization of GBP5 in colonic biopsies was examined by immunohistochemistry and immunofluorescence with confocal microscopy. For functional studies, GBP5 was induced by interferon γ or silenced by siRNA or CRISPR/CAS9 technique, and inflammatory activities were evaluated at mRNA and protein levels. We found that the expression of GBP5 was elevated in colonic mucosa in two geographically and culturally distinct IBD cohorts. In colonic tissues of IBD patients, GBP5 expression was mainly confined to immune cells and the levels of GBP5 expression were correlated with those of the inflammatory cytokines and chemokines. In cultured T and macrophage cells, the expression of proinflammatory cytokines and chemokines was increased when GBP5 was induced, while GBP5 deficiency leads to decreased expression of proinflammatory mediators including gasdermin D, caspase 1, cytokines, and chemokines. We conclude that GBP5 is required in the expression of many proinflammatory cytokines and chemokines in intestinal immune cells. In addition, GBP5 may upregulate inflammatory reactions through an inflammasome-mediated mechanism. Since GBP5 plays a proinflammatory role at the early steps of the inflammatory cascades of IBD pathogenesis, and is implicated in IBD patients of distinct genetic and environmental backgrounds, targeting GBP5 could be an effective strategy for the management of IBD.
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Affiliation(s)
- Yichen Li
- Guangdong Provincial Key Laboratory of Colorectal and Pelvic Floor Diseases, Department of Colorectal Surgery, The Sixth Affiliated Hospital, Guangdong Institute of Gastroenterology, Sun Yat-sen University, Guangzhou, China
| | - Xutao Lin
- Guangdong Provincial Key Laboratory of Colorectal and Pelvic Floor Diseases, Department of Gastrointestinal Endoscopy, The Sixth Affiliated Hospital, Guangdong Institute of Gastroenterology, Sun Yat-sen University, Guangzhou, China
| | - Wenxia Wang
- Guangdong Provincial Key Laboratory of Colorectal and Pelvic Floor Diseases, Department of Colorectal Surgery, The Sixth Affiliated Hospital, Guangdong Institute of Gastroenterology, Sun Yat-sen University, Guangzhou, China
| | - Wenyu Wang
- Guangdong Provincial Key Laboratory of Colorectal and Pelvic Floor Diseases, Department of Colorectal Surgery, The Sixth Affiliated Hospital, Guangdong Institute of Gastroenterology, Sun Yat-sen University, Guangzhou, China
| | - Sijing Cheng
- Guangdong Provincial Key Laboratory of Colorectal and Pelvic Floor Diseases, Department of Colorectal Surgery, The Sixth Affiliated Hospital, Guangdong Institute of Gastroenterology, Sun Yat-sen University, Guangzhou, China.,School of Medicine, Sun Yat-sen University, Shenzhen, China
| | - Yibo Huang
- Guangdong Provincial Key Laboratory of Colorectal and Pelvic Floor Diseases, Department of Colorectal Surgery, The Sixth Affiliated Hospital, Guangdong Institute of Gastroenterology, Sun Yat-sen University, Guangzhou, China
| | - Yifeng Zou
- Guangdong Provincial Key Laboratory of Colorectal and Pelvic Floor Diseases, Department of Colorectal Surgery, The Sixth Affiliated Hospital, Guangdong Institute of Gastroenterology, Sun Yat-sen University, Guangzhou, China
| | - Jia Ke
- Guangdong Provincial Key Laboratory of Colorectal and Pelvic Floor Diseases, Department of Colorectal Surgery, The Sixth Affiliated Hospital, Guangdong Institute of Gastroenterology, Sun Yat-sen University, Guangzhou, China
| | - Lixin Zhu
- Guangdong Provincial Key Laboratory of Colorectal and Pelvic Floor Diseases, Department of Colorectal Surgery, The Sixth Affiliated Hospital, Guangdong Institute of Gastroenterology, Sun Yat-sen University, Guangzhou, China
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Kuc-Ciepluch D, Gorzkiewicz M, Pędziwiatr-Werbicka E, Barrios-Gumiel A, Lasak M, Mariak A, Sztandera K, Gomez R, de la Mata FJ, Lankoff A, Klajnert-Maculewicz B, Bryszewska M, Arabski M, Ciepluch K. The effect of surface modification of dendronized gold nanoparticles on activation and release of pyroptosis-inducing pro-inflammatory cytokines in presence of bacterial lipopolysaccharide in monocytes. Colloids Surf B Biointerfaces 2022; 217:112652. [PMID: 35772353 DOI: 10.1016/j.colsurfb.2022.112652] [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: 03/29/2022] [Revised: 05/31/2022] [Accepted: 06/17/2022] [Indexed: 11/15/2022]
Abstract
Biomedical applications of gold nanoparticles (AuNPs) may be limited by their toxicological effects. Although surface-modified AuNPs can induce apoptosis, less is known about whether they can induce other types of cell death. Pyroptosis, an inflammatory type of programmed cell death, can be induced in immune cells, especially macrophages, by bacterial endotoxins. Therefore, in this study, dendronized AuNPs were combined with bacterial lipopolysaccharides (LPSs) as the main stimulators of pro-inflammatory responses to test the induction of pyroptosis in THP-1 myeloid cell line. These AuNPs induced caspase-1 activity (3-4 times more compared to control) and enhanced the release of interleukin (IL)-18 and IL-1β without inducing gasdermin D cleavage and related pore formation. The production of pro-inflammatory cytokines occurred mainly visible during LPS treatment, although their secretion was observed only after administration of dendronized AuNPs (release of IL-1β to supernatant up to 80 pg/mL). These findings suggest that dendronized AuNPs can induce pyroptosis-like inflammatory mechanisms and that these mechanisms are enhanced in the presence of bacterial LPS. The intensity of this effect was dependent on AuNP surface modification. These results shed new light on the cytotoxicity of metal NPs, including immune responses, indicating that surface modifications play crucial roles in their nanotoxicological effects.
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Affiliation(s)
- Dorota Kuc-Ciepluch
- Division of Medical Biology, Jan Kochanowski University, Uniwersytecka Street 7, Kielce 25-406, Poland
| | - Michał Gorzkiewicz
- Department of General Biophysics, Faculty of Biology and Environmental Protection, University of Lodz, Lodz 90-236, Poland; Department of Molecular Medicine II, Medical Faculty, Heinrich Heine University Düsseldorf, Universitätsstr. 1, Düsseldorf 40225, Germany
| | - Elżbieta Pędziwiatr-Werbicka
- Department of General Biophysics, Faculty of Biology and Environmental Protection, University of Lodz, Lodz 90-236, Poland
| | - Andrea Barrios-Gumiel
- Universidad de Alcalá (UAH), Dpto. de Química Orgánica y Química Inorgánica, Campus Universitario, Alcalá de Henares, Madrid E-28871, Spain
| | - Magdalena Lasak
- Division of Medical Biology, Jan Kochanowski University, Uniwersytecka Street 7, Kielce 25-406, Poland
| | - Aleksandra Mariak
- Division of Medical Biology, Jan Kochanowski University, Uniwersytecka Street 7, Kielce 25-406, Poland
| | - Krzysztof Sztandera
- Department of General Biophysics, Faculty of Biology and Environmental Protection, University of Lodz, Lodz 90-236, Poland
| | - Rafael Gomez
- Universidad de Alcalá (UAH), Dpto. de Química Orgánica y Química Inorgánica, Campus Universitario, Alcalá de Henares, Madrid E-28871, Spain
| | - F Javier de la Mata
- Universidad de Alcalá (UAH), Dpto. de Química Orgánica y Química Inorgánica, Campus Universitario, Alcalá de Henares, Madrid E-28871, Spain
| | - Anna Lankoff
- Division of Medical Biology, Jan Kochanowski University, Uniwersytecka Street 7, Kielce 25-406, Poland; Centre for Radiobiology and Biological Dosimetry, Institute of Nuclear Chemistry and Technology, Dorodna 16, Warsaw 03-195, Poland
| | - Barbara Klajnert-Maculewicz
- Department of General Biophysics, Faculty of Biology and Environmental Protection, University of Lodz, Lodz 90-236, Poland
| | - Maria Bryszewska
- Department of General Biophysics, Faculty of Biology and Environmental Protection, University of Lodz, Lodz 90-236, Poland
| | - Michał Arabski
- Division of Medical Biology, Jan Kochanowski University, Uniwersytecka Street 7, Kielce 25-406, Poland
| | - Karol Ciepluch
- Division of Medical Biology, Jan Kochanowski University, Uniwersytecka Street 7, Kielce 25-406, Poland.
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Huang S, Tao R, Zhou J, Qian L, Wu J. Trans-10-Hydroxy-2-Decenoic Acid Alleviates Dextran Sulfate Sodium-Induced Colitis in Mice via Regulating the Inflammasome-Mediated Pyroptotic Pathway and Enhancing Colonic Barrier Function. Mol Nutr Food Res 2022; 66:e2100821. [PMID: 35373915 DOI: 10.1002/mnfr.202100821] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2021] [Revised: 01/31/2022] [Indexed: 12/24/2022]
Abstract
SCOPE The objective of this study is to explore the effects of 10-hydroxy-2-decenoic acid (10-HDA), the major fatty acid in royal jelly, on dextran sodium sulfate (DSS)-induced mice ulcerative colitis (UC) and its potential mechanism of action. METHODS AND RESULTS Forty male C57BL/6 mice are randomly divided into five experimental groups: control, DSS, DSS + 25 (or 100)mg kg-1 d-1 10-HDA, and DSS + 200 mg kg-1 d-1 mesalazine (ME). UC is induced in mice using 2.5% DSS in drinking water for 7 days. During the induction, these UC mice are orally administrated 10-HDA or ME per day. Meanwhile, lipopolysaccharide (LPS)/adenosine-triphosphate (ATP)-stimulated THP1 cells are used as a model to test the effects of 10-HDA. 10-HDA reduces DSS-induced pathological damage, reactive oxygen species (ROS) accumulation, neutrophil infiltration, and cytokine production in colonic tissue. Compared with the DSS group, the expressions of thioredoxin interacting protein (TXNIP), NOD-like receptor family pyrin domain containing 3 (NLRP3), apoptosis-associated speck-like protein containing a caspase-recruitment domain (ASC), cysteinyl aspartate specific proteinase-1 (Caspase-1), gasdermin-D (GSDMD), N-terminal domain of gasdermin-D (N-GSDMD), interleukin-1β (IL-1β), and interleukin-18 (IL-18) in the colon are decreased after administration of 10-HDA. 10-HDA also elevates the barrier integrity and the expressions of zonula occludens-1 (ZO-1) and Occludin in colonic epithelium exposed to DSS. In THP1 cells, the inflammasome-mediated pyroptosis induced by LPS/ATP is inhibited by 10-HDA pretreatment. CONCLUSION 10-HDA alleviates DSS-induced colitis by regulating the NLRP3 inflammasome-mediated pyroptotic pathway and enhancing colonic barrier function.
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Affiliation(s)
- Shanshan Huang
- Xinhua Hospital, Shanghai Institute for Pediatric Research, Shanghai Jiao Tong University, School of Medicine, Shanghai, P. R. China.,Shanghai Key Laboratory of Pediatric Gastroenterology and Nutrition, Shanghai, P. R. China
| | - Ranran Tao
- Xinhua Hospital, Shanghai Institute for Pediatric Research, Shanghai Jiao Tong University, School of Medicine, Shanghai, P. R. China.,Shanghai Key Laboratory of Pediatric Gastroenterology and Nutrition, Shanghai, P. R. China
| | - Jiefei Zhou
- Xinhua Hospital, Shanghai Institute for Pediatric Research, Shanghai Jiao Tong University, School of Medicine, Shanghai, P. R. China.,Shanghai Key Laboratory of Pediatric Gastroenterology and Nutrition, Shanghai, P. R. China
| | - Linxi Qian
- Xinhua Hospital, Shanghai Institute for Pediatric Research, Shanghai Jiao Tong University, School of Medicine, Shanghai, P. R. China.,Shanghai Key Laboratory of Pediatric Gastroenterology and Nutrition, Shanghai, P. R. China
| | - Jiang Wu
- Department of Nutrition, Huadong Hospital Affiliated to Fudan University, Shanghai, P. R. China
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Wu G, Zhang D, Yang L, Wu Q, Yuan L. MicroRNA-200c-5p targets NIMA Related Kinase 7 (NEK7) to inhibit NOD-like receptor 3 (NLRP3) inflammasome activation, MODE-K cell pyroptosis, and inflammatory bowel disease in mice. Mol Immunol 2022; 146:57-68. [DOI: 10.1016/j.molimm.2022.03.121] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2021] [Revised: 03/21/2022] [Accepted: 03/27/2022] [Indexed: 12/30/2022]
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Bone marrow mesenchymal stem cells-derived exosomes containing miR-539-5p inhibit pyroptosis through NLRP3/caspase-1 signalling to alleviate inflammatory bowel disease. Inflamm Res 2022; 71:833-846. [PMID: 35637388 DOI: 10.1007/s00011-022-01577-z] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Revised: 03/22/2022] [Accepted: 04/14/2022] [Indexed: 11/05/2022] Open
Abstract
BACKGROUND Exosomes derived from bone mesenchymal stem cells (BMSCs) are potential candidates for inflammatory bowel disease (IBD) treatment. The present study investigated the therapeutic effect and potential mechanism of BMSCs-derived exosomes on pyroptosis in IBD. METHODS We induced IBD in mice and cell models through dextran sulfate sodium (DSS) and LPS, respectively. The mRNA and protein expression levels were assessed by qRT-PCR, Western blotting, IF and IHC. The concentrations of IL-1β, IL-18 and TNFα were assessed using ELISA. ROS levels were determined using DCFH-DA staining. Cell proliferation of mIECs was analysed using an MTT assay. In addition, a flow cytometry assay was performed to detect pyroptosis. Finally, the binding relationship between miR-539-5p and NLRP3 was verified by a dual luciferase reporter gene assay. RESULTS Our results revealed that intraperitoneal injection of BMSCs-derived exosomes inhibited DSS-induced pyroptosis as well as IBD symptoms in mice. In addition, BMSCs-derived exosome treatment suppressed pyroptosis, ROS levels and the concentrations of proinflammatory cytokines (IL-1β, IL-18 and TNFα) in LPS-treated mIECs in a miR-539-5p-dependent manner. Further research found that miR-539-5p suppressed NLRP3 expression in mIECs by directly targeting NLRP3. As expected, pyroptosis in LPS-treated mIECs was significantly reduced by NLRP3 knockdown. In addition, NLRP3 silencing restored the inhibitory effect of exosomes derived from BMSCs transfected with miR-539-5p inhibitor on pyroptosis in LPS-treated mIECs. CONCLUSION The present study demonstrated that BMSCs-derived exosomal miR-539-5p suppresses pyroptosis through NLRP3/caspase-1 signalling to inhibit IBD progression.
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Liang G, Luo Y, Wei R, Yin J, Qin Z, Lu L, Ma W. CircZNF532 knockdown protects retinal pigment epithelial cells against high glucose-induced apoptosis and pyroptosis by regulating the miR-20b-5p/STAT3 axis. J Diabetes Investig 2022; 13:781-795. [PMID: 34839589 PMCID: PMC9077727 DOI: 10.1111/jdi.13722] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/04/2021] [Revised: 11/05/2021] [Accepted: 11/21/2021] [Indexed: 11/29/2022] Open
Abstract
INTRODUCTION The loss of retinal pigment epithelial (RPE) cells is associated with the etiology of diabetic retinopathy (DR). This study investigated the effects of circular RNA ZNF532 (circZNF532) on apoptosis and pyroptosis of RPE cells. MATERIALS AND METHODS Blood samples were collected from patients with DR and healthy volunteers. A human RPE cell line ARPE-19 was induced by high glucose (HG) and assayed for cell viability, apoptosis, and pyroptosis. The binding of miR-20b-5p with circZNF532 and STAT3 was confirmed by a luciferase activity assay. A mouse model of diabetic retinopathy was established. RESULTS CircZNF532 and STAT3 were upregulated but miR-20b-5p was downregulated in the serum samples of patients with DR and HG-induced ARPE-19 cells. Elevated miR-20b-5p or CircZNF532 knockdown enhanced proliferation but reduced apoptosis and pyroptosis of ARPE-19 cells. CircZNF532 sponged miR-20b-5p and inhibited its expression. STAT3 was verified as a target of miR-20b-5p. MiR-20b-5p modulated ARPE-19 cell viability, apoptosis, and pyroptosis by targeting STAT3. Mice with STZ-induced diabetes showed elevated expressions of circZNF532 and STAT3 but decreased the level of miR-20b-5p compared with the controls. Knockdown of circZNF532 inhibited apoptosis and pyroptosis in mouse retinal tissues. CONCLUSION CircZNF532 knockdown rescued human RPE cells from HG-induced apoptosis and pyroptosis by regulating STAT3 via miR-20b-5p.
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Affiliation(s)
- Gao‐Hua Liang
- Department of OphthalmologyThe Affiliated Hospital of Youjiang Medical University for NationalitiesBaiseChina
| | - Yan‐Ni Luo
- Department of OphthalmologyThe Affiliated Hospital of Youjiang Medical University for NationalitiesBaiseChina
| | - Ri‐Zhang Wei
- Department of OphthalmologyThe Affiliated Hospital of Youjiang Medical University for NationalitiesBaiseChina
| | - Jia‐Yang Yin
- Department of OphthalmologyThe First Affiliated Hospital of Jinan UniversityGuangzhouChina
| | - Zhi‐Liang Qin
- Department of OphthalmologyThe Affiliated Hospital of Youjiang Medical University for NationalitiesBaiseChina
| | - Li‐Li Lu
- Department of OphthalmologyThe Affiliated Hospital of Youjiang Medical University for NationalitiesBaiseChina
| | - Wen‐Hao Ma
- Department of OphthalmologyThe Affiliated Hospital of Youjiang Medical University for NationalitiesBaiseChina
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Chaudhry ZL, Gamal M, Ferhati I, Warda M, Ahmed BY. ER Stress in COVID-19 and Parkinson’s Disease: In Vitro and In Silico Evidences. Brain Sci 2022; 12:brainsci12040507. [PMID: 35448038 PMCID: PMC9025812 DOI: 10.3390/brainsci12040507] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2022] [Revised: 03/21/2022] [Accepted: 04/12/2022] [Indexed: 01/08/2023] Open
Abstract
The outbreak of COVID-19 caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) signifies a serious worldwide concern to public health. Both transcriptome and proteome of SARS-CoV-2-infected cells synergize the progression of infection in host, which may exacerbate symptoms and/or progression of other chronic diseases such as Parkinson’s disease (PD). Oxidative stress is a well-known cause of endoplasmic reticulum (ER) stress observed in both SARS-CoV-2 and PD. In the current study, we aimed to explore the influence of PKR-like ER kinase (PERK) stress pathway under SARS-CoV-2-mediated infection and in human cell model of PD. Furthermore, we investigated whether they are interconnected and if the ER stress inhibitors could inhibit cell death and provide cellular protection. To achieve this aim, we have incorporated in silico analysis obtained from gene set enrichment analysis (GSEA), a literature review and laboratory data. The neurotoxin, 6-hydroxy dopamine (6OHDA), was used to mimic the biochemical and neuropathological characteristics of PD by inducing oxidative stress in dopamine-containing neurons differentiated from ReNVM cell line (dDCNs). Furthermore, we explored if ER stress influences activation of caspases-2, -4 and -8 in SARS-CoV-2 and in stressed dDCNs. Our laboratory data using Western blot, immunocytochemistry and 3-(4,5-dimethylthiazolyl-2)-2,5-diphenyltetrazolium bromide (MTT) analyses indicated that 6OHDA-induced toxicity triggered activation of caspases-2, -4 and -8 in dDCNs. Under SARS-CoV-2 infection of different cell types, GSEA revealed cell-specific sensitivities to oxidative and ER stresses. Cardiomyocytes and type II alveolar epithelial-like cells were more vulnerable to oxidative stress than neural cells. On the other side, only cardiomyocytes activated the unfolded protein response, however, the PERK pathway was operative in both cardiomyocytes and neural cells. In addition, caspase-4 activation by a SARS-CoV-2 was observed via in silico analyses. These results demonstrate that the ER stress pathway under oxidative stress in SARS-CoV-2 and PD are interconnected using diverse pathways. Furthermore, our results using the ER stress inhibitor and caspase specific inhibitors provided cellular protection suggesting that the use of specific inhibitors can provide effective therapeutic approaches for the treatment of COVID-19 and PD.
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Affiliation(s)
- Zahara L. Chaudhry
- Institute of Biomedical & Environmental Science and Technology, School of Life Sciences, Faculty of Creative Arts, Technologies & Science, University Square, University of Bedfordshire, Luton LU1 3JU, UK; (Z.L.C.); (I.F.)
| | - Mahmoud Gamal
- Department of Biochemistry and Molecular Biology, Faculty of Veterinary Medicine, Cairo University, Giza 12211, Egypt; (M.G.); (M.W.)
| | - Ingrid Ferhati
- Institute of Biomedical & Environmental Science and Technology, School of Life Sciences, Faculty of Creative Arts, Technologies & Science, University Square, University of Bedfordshire, Luton LU1 3JU, UK; (Z.L.C.); (I.F.)
| | - Mohamad Warda
- Department of Biochemistry and Molecular Biology, Faculty of Veterinary Medicine, Cairo University, Giza 12211, Egypt; (M.G.); (M.W.)
| | - Bushra Y. Ahmed
- Institute of Biomedical & Environmental Science and Technology, School of Life Sciences, Faculty of Creative Arts, Technologies & Science, University Square, University of Bedfordshire, Luton LU1 3JU, UK; (Z.L.C.); (I.F.)
- Correspondence:
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Yu C, Zhao W, Duan C, Xie J, Yin W. Poly-l-lysine-caused cell adhesion induces pyroptosis in THP-1 monocytes. Open Life Sci 2022; 17:279-283. [PMID: 35415237 PMCID: PMC8951213 DOI: 10.1515/biol-2022-0028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2021] [Revised: 11/21/2021] [Accepted: 01/03/2022] [Indexed: 11/15/2022] Open
Abstract
Pyroptosis is a kind of cell necrosis mediated by inflammasomes. The caspase 1-induced cleavage of gasdermin D (GSDMD) is a canonical pathway to cause membrane pores and eventually cell pyroptosis. Poly-l-lysine (PLL) is widely used to enhance cell adhesion during experiments. Human THP-1 cells are a typical cell line used to study pyroptosis due to their monocytic and macrophage-like characteristics. However, it was found that THP-1 cells seeded on the PLL-coated slides died. To figure out the reason, we observed the morphology of THP-1 cells on PLL-coated slides, which showed obvious pore forming on the cell membranes and cell swelling. The indicated pyroptosis-related protein expression was evaluated and it showed that the conventional caspase-1 pathway of pyroptosis was activated through the NLRP3 inflammasome in THP-1 monocytes on the PLL-coated slides. Hence, PLL-guided cell adhesion induces cell pyroptosis in THP-1 monocytes, which calls for THP-1 dominant studies of pyroptosis to avoid the use of PLL-coated slides or PLL-related drugs.
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Affiliation(s)
- Chaoping Yu
- Department of Emergency, Xijing Hospital, Fourth Military Medical University , 127 West Changle Road , Xi’an , Shaanxi 710032 , China
| | - Wei Zhao
- Department of Emergency, Xijing Hospital, Fourth Military Medical University , 127 West Changle Road , Xi’an , Shaanxi 710032 , China
| | - Chujun Duan
- Department of Emergency, Xijing Hospital, Fourth Military Medical University , 127 West Changle Road , Xi’an , Shaanxi 710032 , China
| | - Jiangang Xie
- Department of Emergency, Xijing Hospital, Fourth Military Medical University , 127 West Changle Road , Xi’an , Shaanxi 710032 , China
| | - Wen Yin
- Department of Emergency, Xijing Hospital, Fourth Military Medical University , 127 West Changle Road , Xi’an , Shaanxi 710032 , China
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Ren W, Zhou Q, Yu R, Liu Z, Hu Y. Esculetin inhibits the pyroptosis of microvascular endothelial cells through NF-κB /NLFP3 signaling pathway. Arch Biochem Biophys 2022; 720:109173. [PMID: 35300940 DOI: 10.1016/j.abb.2022.109173] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2021] [Revised: 02/26/2022] [Accepted: 03/08/2022] [Indexed: 11/02/2022]
Abstract
The effect of Esculetin on pyroptosis and its possible mechanism in endothelium were explored. 10 μg/mL LPS and 0.5 mM ATP were used to stimulate the rat intestinal microvascular endothelial cells. Then add different concentrations of Esculetin (20μM, 40 μM) to the culture medium containing LPS and ATP culturing for 24 h. The expression of p-NF-κB p65, NF-κB p65, I-κB, p-I-κB, NLRP3, ASC, caspase-1, and gasdermin-D were detected by Western blot, and the release level of IL-18 and IL-1β were measured by ELISA. The NLRP3 inhibitor MCC950 was used at the concentration of 10 μM for 4 h to disentangle the potential mechanism of the influence of Esculetin on pyroptosis. In our experiments, the expression of gasdermin-d and important proteins of NF-κB and NLRP3 signaling pathways were inhibited by Esculetin. Besides, Esculetin also attenuated the morphological changes like swelling rupture and pores on the membrane caused by pyroptosis thereby protecting cells from being damaged by pyroptosis. Combining with the effect of Esculetin on proteins above and its protective effect on cell morphology, we believe that Esculetin has an anti-pyroptosis effect. The inhibiting pyroptosis effects mentioned above are similar to MCC950, which means the anti-pyroptosis effects of Esculetin are associated with the NLRP3 signaling pathway. In conclusion, Esculetin inhibits the pyroptosis of microvascular endothelial cells through the NF-κB/NLFP3 signaling pathway and is expected to be conducive in treating pyroptosis-related diseases.
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Affiliation(s)
- Wei Ren
- College of Veterinary Medicine, China Agricultural University, Beijing, 100193, China
| | - Qilyu Zhou
- College of Veterinary Medicine, China Agricultural University, Beijing, 100193, China
| | - Ruyang Yu
- College of Veterinary Medicine, China Agricultural University, Beijing, 100193, China
| | - Zhongjie Liu
- College of Veterinary Medicine, China Agricultural University, Beijing, 100193, China.
| | - Yusheng Hu
- College of Veterinary Medicine, China Agricultural University, Beijing, 100193, China.
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Wei Y, Yang L, Pandeya A, Cui J, Zhang Y, Li Z. Pyroptosis-Induced Inflammation and Tissue Damage. J Mol Biol 2022; 434:167301. [PMID: 34653436 PMCID: PMC8844146 DOI: 10.1016/j.jmb.2021.167301] [Citation(s) in RCA: 48] [Impact Index Per Article: 24.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2021] [Revised: 09/23/2021] [Accepted: 10/05/2021] [Indexed: 02/07/2023]
Abstract
Programmed cell deaths are pathways involving cells playing an active role in their own destruction. Depending on the signaling system of the process, programmed cell death can be divided into two categories, pro-inflammatory and non-inflammatory. Pyroptosis is a pro-inflammatory form of programmed cell death. Upon cell death, a plethora of cytokines are released and trigger a cascade of responses from the neighboring cells. The pyroptosis process is a double-edged sword, could be both beneficial and detrimental in various inflammatory disorders and disease conditions. A physiological outcome of these responses is tissue damage, and sometimes death of the host. In this review, we focus on the inflammatory response triggered by pyroptosis, and resulting tissue damage in selected organs.
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Affiliation(s)
- Yinan Wei
- Department of Chemistry, College of Arts and Sciences, University of Kentucky, Lexington, KY, USA.
| | - Ling Yang
- Department of Chemistry, College of Arts and Sciences, University of Kentucky, Lexington, KY, USA
| | - Ankit Pandeya
- Department of Chemistry, College of Arts and Sciences, University of Kentucky, Lexington, KY, USA
| | - Jian Cui
- Department of Chemistry, College of Arts and Sciences, University of Kentucky, Lexington, KY, USA
| | - Yan Zhang
- Saha Cardiovascular Research Center, College of Medicine, University of Kentucky, Lexington, KY, USA.,Department of Oncology, the First Affiliated Hospital of Soochow University, Suzhou,China
| | - Zhenyu Li
- Saha Cardiovascular Research Center, College of Medicine, University of Kentucky, Lexington, KY, USA.
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Wang X, Xie L, Long J, Liu K, Lu J, Liang Y, Cao Y, Dai X, Li X. Therapeutic effect of baicalin on inflammatory bowel disease: A review. JOURNAL OF ETHNOPHARMACOLOGY 2022; 283:114749. [PMID: 34666140 DOI: 10.1016/j.jep.2021.114749] [Citation(s) in RCA: 29] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/12/2021] [Revised: 09/29/2021] [Accepted: 10/13/2021] [Indexed: 06/13/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Baicalin (BI) is an important biologically active flavonoid isolated from the root of Scutellaria radix (Huang Qin). Traditionally Scutellaria radix was the common drug of dysentery. As the main flavonoid compound, there is a distribution tendency of baicalin to the intestinal tract and it has a protective effect on the gastrointestinal tract. AIM OF THE REVIEW This review aims to compile up-to-date and comprehensive information on the efficacy of baicalin in vitro and in vivo, about treating inflammatory bowel disease. Relevant information on the therapeutic potential of baicalin against inflammatory bowel disease was collected from the Web of Science, Pubmed and so on. Additionally, a few books and magazines were also consulted to get the important information. RESULTS The mechanisms of baicalin against inflammatory bowel disease mainly include anti-inflammation, antioxidant, immune regulation, maintenance of intestinal barrier, maintenance of intestinal flora balance. Also, BI can relieve parts of extraintestinal manifestations (EIMs), and prevent colorectal cancer. CONCLUSION Baicalin determined the promising therapeutic prospects as potential supplementary medicines for the treatment of IBD.
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Affiliation(s)
- Xian Wang
- School of Pharmacology, Chengdu University of TCM, China
| | - Long Xie
- School of Pharmacology, Chengdu University of TCM, China
| | - Jiaying Long
- School of Pharmacology, Chengdu University of TCM, China
| | - Kai Liu
- School of Pharmacology, Chengdu University of TCM, China
| | - Jing Lu
- School of Pharmacology, Chengdu University of TCM, China
| | - Youdan Liang
- School of Pharmacology, Chengdu University of TCM, China
| | - Yi Cao
- School of Pharmacology, Chengdu University of TCM, China
| | - Xiaolin Dai
- School of Pharmacology, Chengdu University of TCM, China
| | - Xiaofang Li
- School of Pharmacology, Chengdu University of TCM, China.
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Wang J, Wang Y, Steffani M, Stöß C, Ankerst D, Friess H, Hüser N, Hartmann D. Novel Risk Classification Based on Pyroptosis-Related Genes Defines Immune Microenvironment and Pharmaceutical Landscape for Hepatocellular Carcinoma. Cancers (Basel) 2022; 14:cancers14020447. [PMID: 35053610 PMCID: PMC8773536 DOI: 10.3390/cancers14020447] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2021] [Revised: 01/11/2022] [Accepted: 01/14/2022] [Indexed: 12/24/2022] Open
Abstract
Growing evidence has indicated that pyroptosis functions in the development of cancer. Nonetheless, specific roles of pyroptosis-related genes in tumor progression, immune response, prognosis, and immunotherapy have not been thoroughly elucidated. After a comprehensive evaluation of pyroptosis genes, unsupervised clustering was performed to generate three distinct clusters from hepatocellular carcinoma (HCC) samples. Three distinct pyroptosis-related molecular subtypes comprising three gene clusters that had differential prognostic effects on patient survival were then identified. Immune characteristics analyses revealed diversified immune cell infiltration among the subtypes. Two clusters served as immune-hot phenotypes associated with significantly poorer survival compared to a remaining third immune-cold cluster. Among these, the immune-hot clusters were characterized by abundant adaptive immune cell infiltration, active CD4+ and CD8+ T cells, high total leukocyte counts and tumor growth status, and lower Th17 cell and M2 macrophage densities. Then, risk scores indicated that low-risk patients were more sensitive to anti-tumor therapy. Subsequently, we found a significant correlation between pyroptosis and prognosis in HCC and that pyroptosis genes drive the heterogeneity of the tumor microenvironment. The risk scoring system, based on pyroptosis-related differentially expressed genes, was established to evaluate the individual outcomes and contribute to new insights into the molecular characterization of pyroptosis-related subtypes.
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Affiliation(s)
- Jianye Wang
- Department of Surgery, TUM School of Medicine, Klinikum Rechts Der Isar, Technical University of Munich, 81675 Munich, Germany; (J.W.); (M.S.); (C.S.); (H.F.); (N.H.)
| | - Ying Wang
- Chair of Livestock Biotechnology, School of Life Sciences Weihenstephan, Technical University of Munich, Liesel Beckman Str. 1, 85354 Freising, Germany;
| | - Marcella Steffani
- Department of Surgery, TUM School of Medicine, Klinikum Rechts Der Isar, Technical University of Munich, 81675 Munich, Germany; (J.W.); (M.S.); (C.S.); (H.F.); (N.H.)
| | - Christian Stöß
- Department of Surgery, TUM School of Medicine, Klinikum Rechts Der Isar, Technical University of Munich, 81675 Munich, Germany; (J.W.); (M.S.); (C.S.); (H.F.); (N.H.)
| | - Donna Ankerst
- Departments of Mathematics and Life Science Systems, Technical University of Munich, Boltzmannstr. 3, 85748 Garching, Germany;
| | - Helmut Friess
- Department of Surgery, TUM School of Medicine, Klinikum Rechts Der Isar, Technical University of Munich, 81675 Munich, Germany; (J.W.); (M.S.); (C.S.); (H.F.); (N.H.)
| | - Norbert Hüser
- Department of Surgery, TUM School of Medicine, Klinikum Rechts Der Isar, Technical University of Munich, 81675 Munich, Germany; (J.W.); (M.S.); (C.S.); (H.F.); (N.H.)
| | - Daniel Hartmann
- Department of Surgery, TUM School of Medicine, Klinikum Rechts Der Isar, Technical University of Munich, 81675 Munich, Germany; (J.W.); (M.S.); (C.S.); (H.F.); (N.H.)
- Correspondence: ; Tel.: +49-89-4140-5886; Fax: +49-89-4140-4780
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Tian J, Wang B, Xie B, Liu X, Zhou D, Hou X, Xiang L. Pyroptosis inhibition alleviates potassium oxonate- and monosodium urate-induced gouty arthritis in mice. Mod Rheumatol 2022; 32:221-230. [PMID: 33705241 DOI: 10.1080/14397595.2021.1899569] [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: 07/29/2020] [Accepted: 02/28/2021] [Indexed: 10/21/2022]
Abstract
OBJECTIVES Pyroptosis has been found implicated in several diseases, however, whether it was involved in gouty arthritis remained unclear. Our study was performed to uncover the role of pyroptosis in gouty arthritis based on a mice model. METHODS Mouse gouty arthritis model was established by injections of potassium oxonate (PO), monosodium urate (MSU) and pyroptosis suppressor disulfiram. The diameter of the ankle joints was measured, and ankle joints morphology was observed with hematoxylin-eosin (H&E) staining. Uric acid, creatinine and blood urea nitrogen (BUN) concentrations were measured, while cytokines level and xanthine oxidase (XOD) activity were quantified. Relative pyroptosis markers expressions were determined using quantitative real-time polymerase chain reaction (qRT-PCR) and Western blot as needed. RESULTS In mouse model, PO and MSU injections cause damage to right ankle, increase the root thickness ratio and uric acid, creatinine and BUN levels in serum and decrease the uric acid and creatinine levels in urine. Also, under PO and MSU treatment, up-regulated XOD activity, inflammatory cytokines levels and pyroptosis markers expressions are observed. Negative regulation of mice injury by disulfiram treatment is also observed. CONCLUSION Pyroptosis inhibition might alleviate PO- and MSU-induced gouty arthritis, providing possible therapeutic strategies for gouty arthritis.
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Affiliation(s)
- Jing Tian
- Department of Orthopaedics, General Hospital of Northern Theater Command, Shenyang, China
| | - Baichuan Wang
- Department of Orthopaedics, General Hospital of Northern Theater Command, Shenyang, China
| | - Bin Xie
- Department of Orthopaedics, General Hospital of Northern Theater Command, Shenyang, China
| | - Xinwei Liu
- Department of Orthopaedics, General Hospital of Northern Theater Command, Shenyang, China
| | - Dapeng Zhou
- Department of Orthopaedics, General Hospital of Northern Theater Command, Shenyang, China
| | - Xuening Hou
- Department of Orthopaedics, General Hospital of Northern Theater Command, Shenyang, China
| | - Liangbi Xiang
- Department of Orthopaedics, General Hospital of Northern Theater Command, Shenyang, China
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Zhou L, Sun J, Gu L, Wang S, Yang T, Wei T, Shan T, Wang H, Wang L. Programmed Cell Death: Complex Regulatory Networks in Cardiovascular Disease. Front Cell Dev Biol 2021; 9:794879. [PMID: 34901035 PMCID: PMC8661013 DOI: 10.3389/fcell.2021.794879] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2021] [Accepted: 11/15/2021] [Indexed: 12/25/2022] Open
Abstract
Abnormalities in programmed cell death (PCD) signaling cascades can be observed in the development and progression of various cardiovascular diseases, such as apoptosis, necrosis, pyroptosis, ferroptosis, and cell death associated with autophagy. Aberrant activation of PCD pathways is a common feature leading to excessive cardiac remodeling and heart failure, involved in the pathogenesis of various cardiovascular diseases. Conversely, timely activation of PCD remodels cardiac structure and function after injury in a spatially or temporally restricted manner and corrects cardiac development similarly. As many cardiovascular diseases exhibit abnormalities in PCD pathways, drugs that can inhibit or modulate PCD may be critical in future therapeutic strategies. In this review, we briefly describe the process of various types of PCD and their roles in the occurrence and development of cardiovascular diseases. We also discuss the interplay between different cell death signaling cascades and summarize pharmaceutical agents targeting key players in cell death signaling pathways that have progressed to clinical trials. Ultimately a better understanding of PCD involved in cardiovascular diseases may lead to new avenues for therapy.
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Affiliation(s)
- Liuhua Zhou
- Department of Cardiology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Jiateng Sun
- Department of Cardiology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Lingfeng Gu
- Department of Cardiology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Sibo Wang
- Department of Cardiology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Tongtong Yang
- Department of Cardiology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Tianwen Wei
- Department of Cardiology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Tiankai Shan
- Department of Cardiology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Hao Wang
- Department of Cardiology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Liansheng Wang
- Department of Cardiology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
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Liu L, Yang Y, Fang R, Zhu W, Wu J, Li X, Patankar JV, Li W. Giardia duodenalis and Its Secreted PPIB Trigger Inflammasome Activation and Pyroptosis in Macrophages through TLR4-Induced ROS Signaling and A20-Mediated NLRP3 Deubiquitination. Cells 2021; 10:cells10123425. [PMID: 34943932 PMCID: PMC8700504 DOI: 10.3390/cells10123425] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2021] [Revised: 11/18/2021] [Accepted: 12/03/2021] [Indexed: 12/21/2022] Open
Abstract
The extracellular protozoan parasite Giardia duodenalis is a well-known and important causative agent of diarrhea on a global scale. Macrophage pyroptosis has been recognized as an important innate immune effector mechanism against intracellular pathogens. Yet, the effects of noninvasive Giardia infection on macrophage pyroptosis and the associated molecular triggers and regulators remain poorly defined. Here we initially observed that NLRP3 inflammasome-mediated pyroptosis was activated in Giardia-treated macrophages, and inhibition of ROS, NLRP3, or caspase-1 could block GSDMD cleavage, IL-1β, IL-18 and LDH release, and the cell viability reduction. We also confirmed that Giardia-induced NLRP3 inflammasome activation was involved in its K63 deubiquitination. Thus, six candidate deubiquitinases were screened, among which A20 was identified as an effective regulator. We then screened TLRs on macrophage membranes and found that upon stimulation TLR4 was tightly correlated to ROS enhancement, A20-mediated NLRP3 deubiquitination, and pyroptotic signaling. In addition, several Giardia-secreted proteins were predicted as trigger factors via secretome analysis, of which peptidyl-prolyl cis-trans isomerase B (PPIB) independently induced macrophage pyroptosis. This was similar to the findings from the trophozoite treatment, and also led to the TLR4-mediated activation of NLRP3 through K63 deubiquitination by A20. Collectively, the results of this study have significant implications for expanding our understanding of host defense mechanisms after infection with G. duodenalis.
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Affiliation(s)
- Lin Liu
- Heilongjiang Provincial Key Laboratory of Zoonosis, College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, China; (L.L.); (Y.Y.); (R.F.); (W.Z.); (J.W.); (X.L.)
| | - Yongwu Yang
- Heilongjiang Provincial Key Laboratory of Zoonosis, College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, China; (L.L.); (Y.Y.); (R.F.); (W.Z.); (J.W.); (X.L.)
| | - Rui Fang
- Heilongjiang Provincial Key Laboratory of Zoonosis, College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, China; (L.L.); (Y.Y.); (R.F.); (W.Z.); (J.W.); (X.L.)
| | - Weining Zhu
- Heilongjiang Provincial Key Laboratory of Zoonosis, College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, China; (L.L.); (Y.Y.); (R.F.); (W.Z.); (J.W.); (X.L.)
| | - Jingxue Wu
- Heilongjiang Provincial Key Laboratory of Zoonosis, College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, China; (L.L.); (Y.Y.); (R.F.); (W.Z.); (J.W.); (X.L.)
| | - Xiaoyun Li
- Heilongjiang Provincial Key Laboratory of Zoonosis, College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, China; (L.L.); (Y.Y.); (R.F.); (W.Z.); (J.W.); (X.L.)
| | - Jay V. Patankar
- Department of Medicine 1, University of Erlangen-Nuremberg, 91052 Erlangen, Germany;
| | - Wei Li
- Heilongjiang Provincial Key Laboratory of Zoonosis, College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, China; (L.L.); (Y.Y.); (R.F.); (W.Z.); (J.W.); (X.L.)
- Correspondence: or
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Ye X, Hang Y, Lu Y, Li D, Shen F, Guan P, Dong J, Shi L, Hu W. CircRNA circ-NNT mediates myocardial ischemia/reperfusion injury through activating pyroptosis by sponging miR-33a-5p and regulating USP46 expression. Cell Death Dis 2021; 7:370. [PMID: 34845193 PMCID: PMC8630116 DOI: 10.1038/s41420-021-00706-7] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2021] [Revised: 09/06/2021] [Accepted: 10/04/2021] [Indexed: 11/09/2022]
Abstract
Pyroptosis has been implicated in the pathophysiology of myocardial infarction (MI) in rodents, but its contribution to reperfusion injury in MI patients is unclear. Here, we evaluated pyroptosis in MI patients in vitro and in vivo models of myocardial ischemia/reperfusion (I/R) injury. We also investigated the molecular mechanisms that regulate pyroptosis and myocardial I/R injury in these in vitro and in vivo models. The study showed that MI patients exhibited elevated serum concentrations of the pyroptosis-related pro-inflammatory cytokines IL-1β and IL-18. Increased levels of IL-1β and IL-18 as well as the pyroptosis-related inflammatory caspases (caspase-1 and 11) were detected in cultured cardiomyocytes after anoxia/reoxygenation (A/R) and in cardiac tissues after I/R. Circ-NNT and USP46 were upregulated while miR-33a-5p was downregulated in MI patients, as well as in cultured cardiomyocytes after A/R and cardiac tissues after I/R. Circ-NNT or USP46 knockdown or miR-33a-5p overexpression inhibited the expression of pro-caspase-1, cleaved caspase-1, pro-caspase-11, cleaved caspase-11, IL-1β, and IL-18 in A/R cardiomyocytes and attenuated myocardial infarction in I/R mice. The results from luciferase reporter assays and gene overexpression/knockdown studies indicated that miR-33a-5p directly targets USP46, and circ-NNT regulates USP46 by acting as a miR-33a-5p sponge. Direct association between circ-NNT and miR-33a-5p in cardiomyocytes was confirmed by pull-down assays. In summary, pyroptosis is activated during myocardial I/R and contributes to reperfusion injury. Circ-NNT promotes pyroptosis and myocardial I/R injury by acting as a miR-33a-5p sponge to regulate USP46. This circ-NNT→miR-33a-5p→USP46 signaling axis may serve as a potential target for the development of cardio-protective agents to improve the clinical outcome of reperfusion therapy.
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Affiliation(s)
- Xiaomiao Ye
- grid.8547.e0000 0001 0125 2443Department of Cardiology, Minhang Hospital, Fudan University, Shanghai, China
| | - Yanwen Hang
- grid.8547.e0000 0001 0125 2443Department of Cardiology, Minhang Hospital, Fudan University, Shanghai, China
| | - Yi Lu
- grid.8547.e0000 0001 0125 2443Department of Cardiology, Minhang Hospital, Fudan University, Shanghai, China
| | - Dandan Li
- grid.8547.e0000 0001 0125 2443Department of Cardiology, Minhang Hospital, Fudan University, Shanghai, China
| | - Fangfang Shen
- grid.8547.e0000 0001 0125 2443Department of Cardiology, Minhang Hospital, Fudan University, Shanghai, China
| | - Ping Guan
- grid.8547.e0000 0001 0125 2443Department of Cardiology, Minhang Hospital, Fudan University, Shanghai, China
| | - Jian Dong
- grid.8547.e0000 0001 0125 2443Department of Cardiology, Minhang Hospital, Fudan University, Shanghai, China
| | - Ludong Shi
- Department of Cardiology, Minhang Hospital, Fudan University, Shanghai, China.
| | - Wei Hu
- Department of Cardiology, Minhang Hospital, Fudan University, Shanghai, China.
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Mangiferin Ameliorates HFD-Induced NAFLD through Regulation of the AMPK and NLRP3 Inflammasome Signal Pathways. J Immunol Res 2021; 2021:4084566. [PMID: 34734090 PMCID: PMC8560285 DOI: 10.1155/2021/4084566] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2021] [Revised: 08/28/2021] [Accepted: 10/11/2021] [Indexed: 12/16/2022] Open
Abstract
Nonalcoholic fatty liver disease (NAFLD) is closely related to glycolipid metabolism and liver inflammation. And there is no effective drug approved for its clinical therapy. In this study, we focused on mangiferin (Man) and explored its effects and mechanisms on NAFLD treatment based on the regulation of glycolipid metabolism and anti-inflammatory in vivo and in vitro. The results exhibited that Man can significantly attenuate liver injury, insulin resistance, and glucose tolerance in high-fat diet- (HFD-) induced NAFLD mice and significantly reduce fat accumulation and inflammation in hepatic tissue of NAFLD mice. The transcriptome level RNA-seq analysis showed that the significantly different expression genes between the Man treatment group and the HFD-induced NAFLD model group were mainly related to regulation of energy, metabolism, and inflammation in liver tissue. Furthermore, western blots, real-time PCR, and immunohistochemistry experiments confirmed that Man significantly activated the AMPK signal pathway and inhibited NLRP3 inflammasome activation and pyroptosis in NAFLD mice. In in vitro cell experiments, we further confirmed that Man can promote glucose consumption and reduce intracellular triglyceride (TG) accumulation induced by free fatty acids in HepG2 cells and further that it can be blocked by AMPK-specific inhibitors. Western blot results showed that Man upregulated p-AMPKα levels and exhibited a significant AMPK activation effect, which was blocked by compound C. At the same time, Man downregulated the expression of NLRP3 inflammasome-related proteins and inhibited the activation of NLRP3 inflammasome, alleviating cell pyroptosis and inflammation effects. These results indicate that Man anti-NAFLD activity is mediated through its regulation of glucolipid metabolism by AMPK activation and its anti-inflammatory effects by NLRP3 inflammasome inhibition. Our study indicates that Man is a promising prodrug for the therapy of NAFLD patients.
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Kuo KC, Yang YL, Lo MH, Cai XY, Guo MMH, Kuo HC, Huang YH. Increased Expression of Pyroptosis in Leukocytes of Patients with Kawasaki Disease. Diagnostics (Basel) 2021; 11:diagnostics11112035. [PMID: 34829381 PMCID: PMC8620614 DOI: 10.3390/diagnostics11112035] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2021] [Revised: 10/28/2021] [Accepted: 11/01/2021] [Indexed: 12/19/2022] Open
Abstract
Background: Kawasaki disease (KD) is a form of febrile vasculitis that primarily occurs in children. It can cause inflammation of the coronary arteries, which leads to aneurysms. The pathogenesis of coronary arteries may be associated with apoptosis or pyroptosis mediated by caspases activity, but this idea has not been discussed much in KD. Materials and Methods: We enrolled 236 participants in this study. In the Affymetrix GeneChip® Human Transcriptome Array 2.0 study, there were 18 KD patients analyzed prior to receiving intravenous immunoglobulin (IVIG) treatment, at least 3 weeks after IVIG treatment, and 36 non-KD control subjects. We also recruited 24 KD patients prior to receiving IVIG treatment, at least 3 weeks after IVIG treatment, and 24 non-KD control subjects for Illumina HumanMethylation450 BeadChip study. A separate cohort of 134 subjects was analyzed to validate real-time quantitative PCR. Results: The mRNA levels of caspase-1, -3, -4, and -5 were significantly increased in KD patients compared with control subjects (p < 0.05). After administration of IVIG, the expression of these genes decreased considerably. Of particular note, the methylation status of the CpG sites of the caspase-4 and -5 genes demonstrated significant opposite tendencies between the KD patients and controls. Furthermore, compared with patients who responded to IVIG, refractory KD patients had a lower expression of the caspase-3 gene prior to IVIG treatment. Conclusion: Our study is the first to report the upregulation of pyroptotic caspase-1, -4, and -5 in peripheral leukocytes of KD patients. Moreover, the expression of caspase-3 may be associated with IVIG resistance in KD.
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Affiliation(s)
- Kuang-Che Kuo
- Department of Pediatrics, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung 833, Taiwan; (K.-C.K.); (M.-H.L.); (X.-Y.C.); (M.M.-H.G.)
- Kawasaki Disease Center, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung 833, Taiwan
| | - Ya-Ling Yang
- Department of Anesthesiology, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung 833, Taiwan;
| | - Mao-Hung Lo
- Department of Pediatrics, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung 833, Taiwan; (K.-C.K.); (M.-H.L.); (X.-Y.C.); (M.M.-H.G.)
- Kawasaki Disease Center, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung 833, Taiwan
| | - Xin-Yuan Cai
- Department of Pediatrics, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung 833, Taiwan; (K.-C.K.); (M.-H.L.); (X.-Y.C.); (M.M.-H.G.)
- Kawasaki Disease Center, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung 833, Taiwan
| | - Mindy Ming-Huey Guo
- Department of Pediatrics, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung 833, Taiwan; (K.-C.K.); (M.-H.L.); (X.-Y.C.); (M.M.-H.G.)
- Kawasaki Disease Center, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung 833, Taiwan
| | - Ho-Chang Kuo
- Department of Pediatrics, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung 833, Taiwan; (K.-C.K.); (M.-H.L.); (X.-Y.C.); (M.M.-H.G.)
- Kawasaki Disease Center, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung 833, Taiwan
- Correspondence: (H.-C.K.); (Y.-H.H.)
| | - Ying-Hsien Huang
- Department of Pediatrics, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung 833, Taiwan; (K.-C.K.); (M.-H.L.); (X.-Y.C.); (M.M.-H.G.)
- Kawasaki Disease Center, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung 833, Taiwan
- Correspondence: (H.-C.K.); (Y.-H.H.)
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Wei YY, Fan YM, Ga Y, Zhang YN, Han JC, Hao ZH. Shaoyao decoction attenuates DSS-induced ulcerative colitis, macrophage and NLRP3 inflammasome activation through the MKP1/NF-κB pathway. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2021; 92:153743. [PMID: 34583225 DOI: 10.1016/j.phymed.2021.153743] [Citation(s) in RCA: 57] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/16/2021] [Revised: 08/09/2021] [Accepted: 09/07/2021] [Indexed: 06/13/2023]
Abstract
BACKGROUND Shaoyao decoction (SYD), a traditional Chinese medicine prescription that originated in the Jin-Yuan Dynasty, has shown effects in treating ulcerative colitis. However, the underlying mechanism is unclear. We combined network pharmacology with molecular biology technology to detect the mechanism underlying the effect of SYD on ulcerative colitis. We combined network pharmacology with molecular biology technology to detected the further mechanism in SYD effect on ulcerative colitis. PURPOSE In this study, we investigated the mechanism by which SYD exerts a protective effect against ulcerative colitis in vivo and in vitro. STUDY DESIGN AND METHODS We focused on two aspects of the mechanism by which SYD relieves ulcerative colitis, regulation of the MAPK cascade and the NF-κB signaling pathway, through analysis of the "active ingredient-target-disease" network followed by GO enrichment and KEGG pathway analysis according to network pharmacology. Mice with ulcerative colitis underwent 5% dextran sulfate sodium (DSS), and the RAW 264.7 cell model was used to identify important targets. RESULTS We found that after 5% DSS treatment, the inflammation indexes and the expression of NLRP3-related proteins were increased concomitant with the loss of mucins and occludin. Treatment with SYD (2.25 g/kg, BW) significantly improved the expression of mucins and occludin after DSS at the protein and transcriptional levels. Furthermore, SYD treatment significantly reduced NF-κB P65 and P38 expression, thus exerting a great antinecrotic effect, as revealed by TUNEL staining and Western blotting. The beneficial effects of SYD were almost canceled by NSC 95397 (an inhibitor of mitogen-activated protein kinase phosphatase-1 (MKP1)) after DSS treatment in vivo or LPS treatment in vitro. In addition, treatment with SYD reduced caspase-1 activity and rescued the release of ASC and GSDMD, thus inhibiting the assembly of NLRP3 and maintaining the integrity of the intestinal barrier. We also conducted in vitro experiments in the LPS-induced RAW 264.7 cell model and found that cells incubated with 1 mg/ml SYD for 24 h possessed the highest cell viability. Next, we incubated 1 mg/ml SYD for 24 h after treatment with 1 µg/ml LPS for 6 h. We showed that 1 mg/ml SYD displayed anti-inflammatory and anti-necrotic effects through the NLRP3, NF-κB P65 and P38 pathways, and the effects of SYD were also inhibited by 10 nM NSC 95397. CONCLUSION These results demonstrate that SYD has protective effects against ulcerative colitis and alleviates pyroptosis by inhibiting the MKP1/NF-κB/NLRP3 pathway.
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Affiliation(s)
- Yuan-Yuan Wei
- National centre for Veterinary Drug Safety Evaluation, College of Veterinary Medicine, China Agricultural University, No. 2 Yuanmingyuan West Road, Beijing, China
| | - Yi-Meng Fan
- National centre for Veterinary Drug Safety Evaluation, College of Veterinary Medicine, China Agricultural University, No. 2 Yuanmingyuan West Road, Beijing, China
| | - Yu Ga
- National centre for Veterinary Drug Safety Evaluation, College of Veterinary Medicine, China Agricultural University, No. 2 Yuanmingyuan West Road, Beijing, China
| | - Yan-Nan Zhang
- National centre for Veterinary Drug Safety Evaluation, College of Veterinary Medicine, China Agricultural University, No. 2 Yuanmingyuan West Road, Beijing, China
| | - Jun-Cheng Han
- National centre for Veterinary Drug Safety Evaluation, College of Veterinary Medicine, China Agricultural University, No. 2 Yuanmingyuan West Road, Beijing, China
| | - Zhi-Hui Hao
- National centre for Veterinary Drug Safety Evaluation, College of Veterinary Medicine, China Agricultural University, No. 2 Yuanmingyuan West Road, Beijing, China.
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Exosomes as a New Delivery Vehicle in Inflammatory Bowel Disease. Pharmaceutics 2021; 13:pharmaceutics13101644. [PMID: 34683937 PMCID: PMC8539337 DOI: 10.3390/pharmaceutics13101644] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2021] [Revised: 09/29/2021] [Accepted: 10/01/2021] [Indexed: 02/06/2023] Open
Abstract
Inflammatory bowel disease (IBD) is a type of chronic relapsing inflammatory disease. The pathogenesis of IBD is still unclear, which may involve environmental factors, genetic factors, intestinal microbiota disorder, and abnormal immune responses. Exosomes (30–150 nm) are found in various body fluids, including blood, saliva, urine, and cerebrospinal fluid. Exosomes mediate intercellular communication and regulate cell biological activity by carrying non-coding RNAs, proteins, and lipids. There is evidence that exosomes are involved in the pathogenesis of IBD. In view of the important roles of exosomes in the pathogenesis of IBD, this work systematically reviews the latest research progress of exosomes in IBD, especially the roles of exosomes as non-coding RNA delivery systems in the pathogenesis of IBD, including a disordered immune response, barrier function, and intestinal microbiota. The review will help to clarify the pathogenesis of IBD and explore new diagnostic markers and therapeutic targets for patients with IBD.
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