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Cao X, Tan J, Zheng R, Wang F, Zhou L, Yi J, Yuan R, Dai Q, Song L, Dai A. Targeting necroptosis: a promising avenue for respiratory disease treatment. Cell Commun Signal 2024; 22:418. [PMID: 39192326 DOI: 10.1186/s12964-024-01804-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2024] [Accepted: 08/22/2024] [Indexed: 08/29/2024] Open
Abstract
Respiratory diseases are a growing concern in public health because of their potential to endanger the global community. Cell death contributes critically to the pathophysiology of respiratory diseases. Recent evidence indicates that necroptosis, a unique form of programmed cell death (PCD), plays a vital role in the molecular mechanisms underlying respiratory diseases, distinguishing it from apoptosis and conventional necrosis. Necroptosis is a type of inflammatory cell death governed by receptor-interacting serine/threonine protein kinase 1 (RIPK1), RIPK3, and mixed-lineage kinase domain-like protein (MLKL), resulting in the release of intracellular contents and inflammatory factors capable of initiating an inflammatory response in adjacent tissues. These necroinflammatory conditions can result in significant organ dysfunction and long-lasting tissue damage within the lungs. Despite evidence linking necroptosis to various respiratory diseases, there are currently no specific alternative treatments that target this mechanism. This review provides a comprehensive overview of the most recent advancements in understanding the significance and mechanisms of necroptosis. Specifically, this review emphasizes the intricate association between necroptosis and respiratory diseases, highlighting the potential use of necroptosis as an innovative therapeutic approach for treating these conditions.
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Affiliation(s)
- Xianya Cao
- School of Integrated Chinese and Western Medicine, Hunan University of Chinese Medicine, Changsha, Hunan, 410208, People's Republic of China
- Hunan Provincial Key Laboratory of Vascular Biology and Translational Medicine, Changsha, Hunan, 410208, People's Republic of China
| | - Junlan Tan
- Hunan Provincial Key Laboratory of Vascular Biology and Translational Medicine, Changsha, Hunan, 410208, People's Republic of China
- Department of Respiratory Medicine, School of Medicine, Changsha, Hunan, 410021, People's Republic of China
- The First Affiliated Hospital of Hunan University of Chinese Medicine, Changsha, Hunan, 410021, People's Republic of China
| | - Runxiu Zheng
- School of Integrated Chinese and Western Medicine, Hunan University of Chinese Medicine, Changsha, Hunan, 410208, People's Republic of China
- Hunan Provincial Key Laboratory of Vascular Biology and Translational Medicine, Changsha, Hunan, 410208, People's Republic of China
| | - Feiying Wang
- Hunan Provincial Key Laboratory of Vascular Biology and Translational Medicine, Changsha, Hunan, 410208, People's Republic of China
- Department of Respiratory Medicine, School of Medicine, Changsha, Hunan, 410021, People's Republic of China
| | - Lingling Zhou
- Hunan Provincial Key Laboratory of Vascular Biology and Translational Medicine, Changsha, Hunan, 410208, People's Republic of China
- Department of Respiratory Medicine, School of Medicine, Changsha, Hunan, 410021, People's Republic of China
| | - Jian Yi
- Hunan Provincial Key Laboratory of Vascular Biology and Translational Medicine, Changsha, Hunan, 410208, People's Republic of China
- The First Affiliated Hospital of Hunan University of Chinese Medicine, Changsha, Hunan, 410021, People's Republic of China
| | - Rong Yuan
- Hunan Provincial Key Laboratory of Vascular Biology and Translational Medicine, Changsha, Hunan, 410208, People's Republic of China
- Department of Respiratory Medicine, School of Medicine, Changsha, Hunan, 410021, People's Republic of China
| | - Qin Dai
- Hunan Provincial Key Laboratory of Vascular Biology and Translational Medicine, Changsha, Hunan, 410208, People's Republic of China
- Department of Respiratory Medicine, School of Medicine, Changsha, Hunan, 410021, People's Republic of China
| | - Lan Song
- Hunan Provincial Key Laboratory of Vascular Biology and Translational Medicine, Changsha, Hunan, 410208, People's Republic of China
- Department of Respiratory Medicine, School of Medicine, Changsha, Hunan, 410021, People's Republic of China
| | - Aiguo Dai
- Hunan Provincial Key Laboratory of Vascular Biology and Translational Medicine, Changsha, Hunan, 410208, People's Republic of China.
- Department of Respiratory Medicine, School of Medicine, Changsha, Hunan, 410021, People's Republic of China.
- Department of Respiratory Medicine, The First Affiliated Hospital of Hunan University of Chinese Medicine, Changsha, Hunan, 410021, People's Republic of China.
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Yu X, Yuan J, Shi L, Dai S, Yue L, Yan M. Necroptosis in bacterial infections. Front Immunol 2024; 15:1394857. [PMID: 38933265 PMCID: PMC11199740 DOI: 10.3389/fimmu.2024.1394857] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2024] [Accepted: 05/29/2024] [Indexed: 06/28/2024] Open
Abstract
Necroptosis, a recently discovered form of cell-programmed death that is distinct from apoptosis, has been confirmed to play a significant role in the pathogenesis of bacterial infections in various animal models. Necroptosis is advantageous to the host, but in some cases, it can be detrimental. To understand the impact of necroptosis on the pathogenesis of bacterial infections, we described the roles and molecular mechanisms of necroptosis caused by different bacterial infections in this review.
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Affiliation(s)
- Xing Yu
- Department of Pathogen Biology and Immunology, Faculty of Basic Medical Science, Kunming Medical University, Kunming, China
| | - Jin Yuan
- Clinical Laboratory, Puer Hospital of Traditional Chinese Medicine, Puer, China
| | - Linxi Shi
- Department of Pathogen Biology and Immunology, Faculty of Basic Medical Science, Kunming Medical University, Kunming, China
| | - Shuying Dai
- Department of Pathogen Biology and Immunology, Faculty of Basic Medical Science, Kunming Medical University, Kunming, China
| | - Lei Yue
- Institute of Medical Biology, Chinese Academy of Medical Sciences and Peking Union Medical College, Kunming, China
| | - Min Yan
- Department of Pathogen Biology and Immunology, Faculty of Basic Medical Science, Kunming Medical University, Kunming, China
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Guo P, Jin L, Zhou H, Bao Y, Yang J, Chen J, He Y, Yu D, Wan H. Glycyrrhetinic acid protects against Multidrug-resistant Acinetobacter baumannii-induced lung epithelial cells injury by regulating inflammation and oxidative stress. BMC Pharmacol Toxicol 2023; 24:5. [PMID: 36717837 PMCID: PMC9887834 DOI: 10.1186/s40360-023-00648-z] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2022] [Accepted: 01/25/2023] [Indexed: 02/01/2023] Open
Abstract
Glycyrrhetinic acid (GA) is a bio-effective component of Licorice. The GA is a monomer and the ingredient is an Oleanane-type pentacyclic triterpenes that has been used as a remedy for years. Due to the abuse of antibiotics, people pay attention to the emergence of Multidrug-resistant Acinetobacter baumannii (MDR-AB). As a conditional pathogen, MDR-AB causes severe infection, endangering human lives. Our previous studies found GA played an important role in Yinhua Pinggan, a Chinese medicine. However, whether GA could protect lung epithelium from MDR-AB-induced cell injury was elusive. Herein, we investigated the effects of GA on MDR-AB-infected A549 cells. The results showed GA had slightly antibacterial activity to MDR-AB in the GA (high concentration) but no impact on drug resistance genes. Notwithstanding, GA could reverse MDR-AB-induced cell apoptosis, hampered adhesion and invasion of MDR-AB to cells, and inhibit pro-inflammatory cytokines expression of IL-1β, IL-6, and TNF. Besides, MDR-AB-induced reactive oxygen species, pro-oxidative protein malonaldehyde, and myeloperoxidase of cells were decreased by GA, while antioxidative proteins were recovered, showing antioxidative capacity of GA might play a critical role. The expressions of toll-like receptor (TLRs) - 1, 2, 4, 5, 6, and 9 were increased by MDR-AB infection, while GA reversed the tendency. Interestingly, GA inhibited MDR-AB induced myeloiddifferentiationfactor88 expression (MYD88), one downstream con-factors of TLRs, but no affection on Interferon regulatory Factor 3 (IRF3), the other one, indicating GA inhibited MDR-AB induced cell injury by impact TLR/MYD88 pathway to attenuate inflammation. Altogether, our results demonstrated that GA protects against MDR-AB-induced cell injury through its antioxidative and anti-inflammatory properties, which deserve further study in the future.
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Affiliation(s)
- Piaoyi Guo
- grid.268505.c0000 0000 8744 8924Zhejiang Chinese Medical University, Hangzhou Zhejiang, 310053 PR China
| | - Liang Jin
- grid.268505.c0000 0000 8744 8924Zhejiang Chinese Medical University, Hangzhou Zhejiang, 310053 PR China
| | - Huifen Zhou
- grid.268505.c0000 0000 8744 8924Zhejiang Chinese Medical University, Hangzhou Zhejiang, 310053 PR China
| | - Yida Bao
- grid.268505.c0000 0000 8744 8924Zhejiang Chinese Medical University, Hangzhou Zhejiang, 310053 PR China
| | - Jiehong Yang
- grid.268505.c0000 0000 8744 8924Zhejiang Chinese Medical University, Hangzhou Zhejiang, 310053 PR China
| | - Jing Chen
- grid.268505.c0000 0000 8744 8924Zhejiang Chinese Medical University, Hangzhou Zhejiang, 310053 PR China
| | - Yu He
- grid.268505.c0000 0000 8744 8924Zhejiang Chinese Medical University, Hangzhou Zhejiang, 310053 PR China
| | - Daojun Yu
- grid.13402.340000 0004 1759 700XAffiliated Hangzhou First People’s Hospital, Zhejiang University of Medicine, Hangzhou, Zhejiang 310003 PR China
| | - Haitong Wan
- grid.268505.c0000 0000 8744 8924Zhejiang Chinese Medical University, Hangzhou Zhejiang, 310053 PR China
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Teng Y, Xu D, Yang X, Tang H, Tao X, Fan Y, Ding Y. The Emerging Roles of Pyroptosis, Necroptosis, and Ferroptosis in Non-Malignant Dermatoses: A Review. J Inflamm Res 2023; 16:1967-1977. [PMID: 37179755 PMCID: PMC10171792 DOI: 10.2147/jir.s409699] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2023] [Accepted: 05/02/2023] [Indexed: 05/15/2023] Open
Abstract
Unlike apoptosis, pyroptosis, necroptosis, and ferroptosis are recently identified modes of programmed cell death (PCD) with unique molecular pathways. Increasing evidence has indicated that these PCD modes play a crucial role in the pathogenesis of various non-malignant dermatoses (a group of cutaneous disorders), including infective dermatoses, immune-related dermatoses, allergic dermatoses, benign proliferative dermatoses, etc. Moreover, their molecular mechanisms have been suggested as potential therapeutic targets for the prevention and treatment of these dermatoses. In this article, we aim to review and summarize the molecular mechanisms of pyroptosis, necroptosis, and ferroptosis and their roles in the pathogenesis of some non-malignant dermatoses.
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Affiliation(s)
- Yan Teng
- Center for Plastic & Reconstructive Surgery, Department of Dermatology, Zhejiang Provincial People’s Hospital, Affiliated People’s Hospital of Hangzhou Medical College, Hangzhou, 310014, People’s Republic of China
| | - Danfeng Xu
- Center for Plastic & Reconstructive Surgery, Department of Dermatology, Zhejiang Provincial People’s Hospital, Affiliated People’s Hospital of Hangzhou Medical College, Hangzhou, 310014, People’s Republic of China
| | - Xianhong Yang
- Center for Plastic & Reconstructive Surgery, Department of Dermatology, Zhejiang Provincial People’s Hospital, Affiliated People’s Hospital of Hangzhou Medical College, Hangzhou, 310014, People’s Republic of China
| | - Hui Tang
- Graduate School of Clinical Medicine, Bengbu Medical College, Bengbu, People’s Republic of China
| | - Xiaohua Tao
- Center for Plastic & Reconstructive Surgery, Department of Dermatology, Zhejiang Provincial People’s Hospital, Affiliated People’s Hospital of Hangzhou Medical College, Hangzhou, 310014, People’s Republic of China
| | - Yibin Fan
- Center for Plastic & Reconstructive Surgery, Department of Dermatology, Zhejiang Provincial People’s Hospital, Affiliated People’s Hospital of Hangzhou Medical College, Hangzhou, 310014, People’s Republic of China
| | - Yang Ding
- Center for Plastic & Reconstructive Surgery, Department of Dermatology, Zhejiang Provincial People’s Hospital, Affiliated People’s Hospital of Hangzhou Medical College, Hangzhou, 310014, People’s Republic of China
- Correspondence: Yang Ding; Yibin Fan, Center for Plastic & Reconstructive Surgery, Department of Dermatology, Zhejiang Provincial People’s Hospital, Affiliated People’s Hospital of Hangzhou Medical College, Hangzhou, 310014, People’s Republic of China, Tel +86-13732261339; +86-13505811700, Email ;
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Zhao L, Wang S, Zhang N, Zhou J, Mehmood A, Raka RN, Zhou F, Zhao L. The Beneficial Effects of Natural Extracts and Bioactive Compounds on the Gut-Liver Axis: A Promising Intervention for Alcoholic Liver Disease. Antioxidants (Basel) 2022; 11:antiox11061211. [PMID: 35740108 PMCID: PMC9219895 DOI: 10.3390/antiox11061211] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2022] [Revised: 06/15/2022] [Accepted: 06/19/2022] [Indexed: 12/10/2022] Open
Abstract
Alcoholic liver disease (ALD) is a major cause of morbidity and mortality worldwide. It can cause fatty liver (steatosis), steatohepatitis, fibrosis, cirrhosis, and liver cancer. Alcohol consumption can also disturb the composition of gut microbiota, increasing the composition of harmful microbes and decreasing beneficial ones. Restoring eubiosis or preventing dysbiosis after alcohol consumption is an important strategy in treating ALD. Plant natural products and polyphenolic compounds exert beneficial effects on several metabolic disorders associated with ALD. Natural products and related phytochemicals act through multiple pathways, such as modulating gut microbiota, improving redox stress, and anti-inflammation. In the present review article, we gather information on natural extract and bioactive compounds on the gut-liver axis for the possible treatment of ALD. Supplementation with natural extracts and bioactive compounds promoted the intestinal tight junction, protected against the alcohol-induced gut leakiness and inflammation, and reduced endotoxemia in alcohol-exposed animals. Taken together, natural extracts and bioactive compounds have strong potential against ALD; however, further clinical studies are still needed.
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Affiliation(s)
- Liang Zhao
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Beijing Engineering and Technology Research Center of Food Additives, School of Food and Health, Beijing Technology and Business University, Beijing 100048, China; (L.Z.); (S.W.); (A.M.); (R.N.R.)
| | - Shaoxuan Wang
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Beijing Engineering and Technology Research Center of Food Additives, School of Food and Health, Beijing Technology and Business University, Beijing 100048, China; (L.Z.); (S.W.); (A.M.); (R.N.R.)
| | - Nanhai Zhang
- Beijing Key Laboratory of Functional Food from Plant Resources, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China; (N.Z.); (J.Z.)
| | - Jingxuan Zhou
- Beijing Key Laboratory of Functional Food from Plant Resources, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China; (N.Z.); (J.Z.)
| | - Arshad Mehmood
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Beijing Engineering and Technology Research Center of Food Additives, School of Food and Health, Beijing Technology and Business University, Beijing 100048, China; (L.Z.); (S.W.); (A.M.); (R.N.R.)
- Department of Food Science and Technology, University of Haripur, Haripur 22620, Pakistan
| | - Rifat Nowshin Raka
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Beijing Engineering and Technology Research Center of Food Additives, School of Food and Health, Beijing Technology and Business University, Beijing 100048, China; (L.Z.); (S.W.); (A.M.); (R.N.R.)
| | - Feng Zhou
- Beijing Key Laboratory of Functional Food from Plant Resources, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China; (N.Z.); (J.Z.)
- Correspondence: (F.Z.); (L.Z.)
| | - Lei Zhao
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Beijing Engineering and Technology Research Center of Food Additives, School of Food and Health, Beijing Technology and Business University, Beijing 100048, China; (L.Z.); (S.W.); (A.M.); (R.N.R.)
- Correspondence: (F.Z.); (L.Z.)
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Shaukat A, Shaukat I, Rajput SA, Shukat R, Hanif S, Jiang K, Zhang T, Akhtar M, Shaukat I, Ma X, Liu J, Shaukat S, Umar T, Akhtar M, Yang L, Deng G. Ginsenoside Rb1 protects from Staphylococcus aureus-induced oxidative damage and apoptosis through endoplasmic reticulum-stress and death receptor-mediated pathways. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2021; 219:112353. [PMID: 34034046 DOI: 10.1016/j.ecoenv.2021.112353] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/05/2021] [Revised: 05/12/2021] [Accepted: 05/17/2021] [Indexed: 06/12/2023]
Abstract
Acute lung injury (ALI) is acute uncontrolled inflammation of lung tissue that leads to high fatality both in human and animals. Staphylococcus aureus (S. aureus) could be an opportunistic, versatile bacterial etiology of ALI. Ginsenoside Rb1 (Rb1) is extracted from the Panax ginseng, which displays a wide range of biological and pharmacological effects. However, protective effects of Rb1 in S. aureus-induced ALI though endoplasmic reticulum (ER) stress and death receptor-mediated pathways have not yet been reported. Therefore, present study was planned with the aims to investigate the antioxidant and anti-apoptotic properties of Rb1 through regulation of ER stress as well as death receptor-mediated pathways in ALI induced by S. aureus in mice. In this study, four groups of healthy Kunming mice (n = 48) were used. The S. aureus (80 µl; 1 ×107 CFU/10 µl) was administered intranasally to establish mice model of ALI. After 24 h of onset of S. aureus-induced ALI, the mice were injected thrice with Rb1 (40 mg/kg) intraperitoneally six hours apart. Histopathology, enzyme linked immunosorbent assay (ELISA), real time quantitative polymerase chain reaction (RT-qPCR), Immunohistochemistry and western blotting assay were employed in the current study. Our results suggested that Rb1 administration save lungs from pulmonary injury by reducing wet to dry (W/D) ratio, protein levels, total cells, neutrophilic count, reactive oxygen species (ROS), myeloperoxidase (MPO), malondialdehyde (MDA), superoxide dismutase (SOD), catalase (CAT), glutathione peroxidase (Gpx)1 depletion. Meanwhile, Rb1 therapy ameliorated histopathology alteration of lung tissue and pro-inflammatory cytokines secretion. The gene expression of ER stress marker (PERK, AFT-6, IRE1 and CHOP) were upregulated markedly (P < .05) in S. aureus-instilled groups, which was reduced by Rb1 administration that is reveled from the result findings of the RT-qPCR and immunoblot assay. The results of immunohistochemistry for CHOP indicated the increased expression in S. aureus groups which in turn ameliorated by Rb1 treatment. The mRNA expression demonstrated that death receptor-associated genes (FasL, Fas, FADD and caspase-8) showed up-regulation in S. aureus group. The similar findings were observed for the protein expression of caspase-8, FADD and Fas. Rb1 treatment markedly (P < .05) reversed protein and mRNA expression levels of these death receptor-associated genes when compared to the S. aureus group. Taken together, Rb1 attenuated S. aureus-induced oxidative damage via the ER stress-mediated pathway and apoptosis through death receptor-mediated pathway. Conclusively, our findings provide an insight into preventive mechanism of Rb1 in ALI caused by S. aureus and hence proven a scientific baseline for the therapeutic application of Rb1.
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Affiliation(s)
- Aftab Shaukat
- National Center for International Research on Animal Genetics, Breeding and Reproduction (NCIRAGBR), Huazhong Agricultural University, Wuhan 430070, China
| | - Irfan Shaukat
- Faculty of medicine, University of Lorraine, Nancy, France
| | - Shahid Ali Rajput
- College of Animal Science, South China Agricultural University Guangzhou, China
| | - Rizwan Shukat
- Faculty of Food, Nutrition & Home Sciences, University of Agriculture, Faisalabad, Pakistan
| | - Sana Hanif
- Department of Physics, University of Gujrat, Gujrat, Pakistan
| | - Kangfeng Jiang
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, China; College of Veterinary Medicine, Yunnan Agricultural University, Kunming, China
| | - Tao Zhang
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, China
| | - Muhammad Akhtar
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, China
| | - Imran Shaukat
- Department of Physics, University of Agriculture, Faisalabad, Pakistan
| | - Xiaofei Ma
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, China
| | - Junfeng Liu
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, China
| | - Shadab Shaukat
- Department of Plant Breeding and Genetics, University of Agriculture, Faisalabad, Pakistan
| | - Talha Umar
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, China
| | - Masood Akhtar
- Department of Pathobiology, Faculty of Veterinary Sciences, Bahauddin Zakariya University, Multan, Pakistan
| | - Liguo Yang
- National Center for International Research on Animal Genetics, Breeding and Reproduction (NCIRAGBR), Huazhong Agricultural University, Wuhan 430070, China.
| | - Ganzhen Deng
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, China.
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Liu L, Tang Z, Zeng Y, Liu Y, Zhou L, Yang S, Wang D. Role of necroptosis in infection-related, immune-mediated, and autoimmune skin diseases. J Dermatol 2021; 48:1129-1138. [PMID: 34109676 DOI: 10.1111/1346-8138.15929] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2021] [Revised: 03/10/2021] [Accepted: 04/07/2021] [Indexed: 12/22/2022]
Abstract
Regulated necrosis, also termed necroptosis, is another programmed cell death depending on a unique molecular pathway that does not overlap with apoptosis. Tumor necrosis factor and Toll-like receptor family members, interferon, and other mediators are the factors that mainly cause necroptosis. Activating necroptosis by ligands of death receptors requires the kinase activity of receptor-interacting proteins 1 and 3, and a mixed lineage kinase domain-like protein, which is a critical downstream mediator of necroptosis. Increasing evidence has revealed that necroptosis does not only involve physiological regulation but also the occurrence, development, and prognosis of certain diseases, such as septicemia, neurodegenerative diseases, and ischemic-reperfusion injury. Many excellent documented systematic discussions of necroptosis and its role in various skin diseases. In this review, we summarize the molecular mechanism of necroptosis, as well as the current knowledge on the contribution of necroptosis, in infection-related, immune-mediated, autoimmune skin diseases, and malignant skin tumors.
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Affiliation(s)
- Lulu Liu
- Department of Dermatology, The Third Xiangya Hospital, Central South University, Changsha, China
| | - Ziting Tang
- Department of Dermatology, The Third Xiangya Hospital, Central South University, Changsha, China
| | - Yilan Zeng
- Department of Dermatology, The Third Xiangya Hospital, Central South University, Changsha, China
| | - Yuanhong Liu
- Department of Dermatology, The Third Xiangya Hospital, Central South University, Changsha, China
| | - Lu Zhou
- Department of Dermatology, The Third Xiangya Hospital, Central South University, Changsha, China
| | - Shengbo Yang
- Department of Dermatology, The Third Xiangya Hospital, Central South University, Changsha, China
| | - Dan Wang
- Department of Dermatology, The Third Xiangya Hospital, Central South University, Changsha, China
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Ke J, Zhao F, Luo Y, Deng F, Wu X. MiR-124 Negatively Regulated PARP1 to Alleviate Renal Ischemia-reperfusion Injury by Inhibiting TNFα/RIP1/RIP3 Pathway. Int J Biol Sci 2021; 17:2099-2111. [PMID: 34131409 PMCID: PMC8193263 DOI: 10.7150/ijbs.58163] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2021] [Accepted: 04/28/2021] [Indexed: 12/01/2022] Open
Abstract
Renal ischemia-reperfusion injury (IRI) is one of the underlying causes of acute kidney injury and also an unavoidable problem in renal transplantation. Lots of miRNAs and targets have been found to participate in some post-transcriptional processes in renal IRI, however, the detailed knowledge of miRNA targets and mechanism is unknown. In this study, miR-124 was found inhibited and PARP1 was overexpressed in renal IRI cells and mouse models. Dual-luciferase reporter assay revealed that miR-124 post-transcriptionally regulated PAPR1 3′UTR activity. Our results also demonstrated miR-124 negatively regulated PARP1 which played a role in necroptosis of renal ischemia-reperfusion injury by activating TNFα. TNFα induced the RIP1/RIP3 necroptosis signaling pathway to aggravate the renal injury. Collectively, these studies identified PARP1 as a direct target of miR-124 and activated RIP1/RIP3 necroptosis signaling pathway through TNFα. It elucidated the protective effect of miR-124 in renal ischemia-reperfusion injury, which demonstrated the regulatory mechanism of miR-124/PARP1 in renal injury and exhibited the potential as a novel therapeutic for the treatment of renal IRI.
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Affiliation(s)
- Jing Ke
- Department of Nephrology, Renmin Hospital of Wuhan University, Wuhan, China.,Department of Endocrinology, Ezhou Central Hospital, Ezhou, Hubei, China
| | - Fan Zhao
- Department of Nephrology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Yanwen Luo
- Department of Nephrology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Fangjing Deng
- Department of Nephrology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Xiongfei Wu
- Department of Nephrology, Renmin Hospital of Wuhan University, Wuhan, China
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Shaukat A, Hanif S, Shaukat I, Shukat R, Rajput SA, Jiang K, Akhtar M, Yang Y, Guo S, Shaukat I, Akhtar M, Shaukat S, Yang L, Deng G. Upregulated-gene expression of pro-inflammatory cytokines, oxidative stress and apoptotic markers through inflammatory, oxidative and apoptosis mediated signaling pathways in Bovine Pneumonia. Microb Pathog 2021; 155:104935. [PMID: 33945855 DOI: 10.1016/j.micpath.2021.104935] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2021] [Revised: 04/28/2021] [Accepted: 04/28/2021] [Indexed: 12/28/2022]
Abstract
Pneumonia is the acute inflammation of lung tissue and is multi-factorial in etiology. Staphylococcus aureus (S. aureus) is a harmful pathogen present as a normal flora of skin and nares of dairy cattle. In bovine pneumonia, S. aureus triggers to activates Toll-Like Receptors (TLRs), that further elicits the activation of the inflammation via NF-κB pathway, oxidative stress and apoptotic pathways. In the current study, pathogen-associated gene expression of the pro-inflammatory cytokines, oxidative stress and apoptotic markers in the lung tissue of cattle was explored in bovine pneumonia. Fifty lung samples collected from abattoir located in Wuhan city, Hubei, China. Histopathologically, thickening of alveolar wall, accumulation of inflammatory cells and neutrophils in perivascular space, hyperemia, hemorrhages and edema were observed in infected lungs as compared to non-infected lung samples. Furthermore, molecular identification and characterization were carried by amplification of S. aureus-specific nuc gene (270 base pairs) from the infected and non-infected lung samples to identify the S. aureus. Moreover, qPCR results displayed that relative mRNA levels of TLR2, TLR4, pro-inflammatory gene (IL-1β, IL-6 and TNF-α) and apoptosis-associated genes (Bax, caspase-3 and caspase-9) were up-regulated except Bcl-2, which is antiapoptotic in nature, and oxidative stress related genes (Nrf2, NQO1, HO-1 and GCLC) which was down-regulated in infected pulmonary group. The relative protein expression of NF-κB, mitochondria-mediated apoptosis gene was up-regulated while Bcl-2 and Nrf2 pathway genes were downregulated in infected cattle lungs. Our findings revealed that genes expression levels of inflammatory mediators, oxidative stress and apoptosis were associated with host immunogenic regulatory mechanisms in the lung tissue during infection. Conclusively, the present study provides insights of active immune response via TLRs-mediated inflammatory, oxidative damage, and apoptotic paradox.
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Affiliation(s)
- Aftab Shaukat
- National Center for International Research on Animal Genetics, Breeding and Reproduction (NCIRAGBR), Huazhong Agricultural University, Wuhan, 430070, PR China
| | - Sana Hanif
- Department of Physics, University of Gujrat, Gujrat, Pakistan
| | - Irfan Shaukat
- Faculty of Medicine, University of Lorraine, Nancy, France
| | - Rizwan Shukat
- Faculty of Food, Nutrition & Home Sciences, University of Agriculture, Faisalabad, Pakistan
| | - Shahid Ali Rajput
- College of Animal Science, South China Agricultural University, Guangzhou, China
| | - Kangfeng Jiang
- College of Veterinary Medicine, Yunnan Agricultural University, Kunming, China
| | - Muhammad Akhtar
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, China
| | - Yaping Yang
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, China
| | - Shuai Guo
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, China
| | - Imran Shaukat
- Department of Physics, University of Agriculture, Faisalabad, Pakistan
| | - Masood Akhtar
- Faculty of Veterinary Sciences, Bahauddin Zakariya University, Multan, Pakistan
| | - Shadab Shaukat
- Department of Plant Breeding and Genetics, University of Agriculture, Faisalabad, Pakistan
| | - Liguo Yang
- National Center for International Research on Animal Genetics, Breeding and Reproduction (NCIRAGBR), Huazhong Agricultural University, Wuhan, 430070, PR China.
| | - Ganzhen Deng
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, China.
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10
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Qi JL, He JR, Jin SM, Yang X, Bai HM, Liu CB, Ma YB. P. aeruginosa Mediated Necroptosis in Mouse Tumor Cells Induces Long-Lasting Systemic Antitumor Immunity. Front Oncol 2021; 10:610651. [PMID: 33643911 PMCID: PMC7908819 DOI: 10.3389/fonc.2020.610651] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2020] [Accepted: 12/21/2020] [Indexed: 01/12/2023] Open
Abstract
Necroptosis is a form of programmed cell death (PCD) characterized by RIP3 mediated MLKL activation and increased membrane permeability via MLKL oligomerization. Tumor cell immunogenic cell death (ICD) has been considered to be essential for the anti-tumor response, which is associated with DC recruitment, activation, and maturation. In this study, we found that P. aeruginosa showed its potential to suppress tumor growth and enable long-lasting anti-tumor immunity in vivo. What's more, phosphorylation- RIP3 and MLKL activation induced by P. aeruginosa infection resulted in tumor cell necrotic cell death and HMGB1 production, indicating that P. aeruginosa can cause immunogenic cell death. The necrotic cell death can further drive a robust anti-tumor response via promoting tumor cell death, inhibiting tumor cell proliferation, and modulating systemic immune responses and local immune microenvironment in tumor. Moreover, dying tumor cells killed by P. aeruginosa can catalyze DC maturation, which enhanced the antigen-presenting ability of DC cells. These findings demonstrate that P. aeruginosa can induce immunogenic cell death and trigger a robust long-lasting anti-tumor response along with reshaping tumor microenvironment.
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Affiliation(s)
- Jia-long Qi
- Institute of Medical Biology, Chinese Academy of Medical Sciences and Peking Union Medical College, Kunming, China
| | - Jin-rong He
- Institute of Medical Biology, Chinese Academy of Medical Sciences and Peking Union Medical College, Kunming, China
- Institute of Medical Biology, Kunming Medical University, Kunming, China
| | - Shu-mei Jin
- Department of Pathology, Yunnan Institute of Materia, Kunming, China
| | - Xu Yang
- Institute of Medical Biology, Chinese Academy of Medical Sciences and Peking Union Medical College, Kunming, China
| | - Hong-mei Bai
- Institute of Medical Biology, Chinese Academy of Medical Sciences and Peking Union Medical College, Kunming, China
| | - Cun-bao Liu
- Institute of Medical Biology, Chinese Academy of Medical Sciences and Peking Union Medical College, Kunming, China
| | - Yan-bing Ma
- Institute of Medical Biology, Chinese Academy of Medical Sciences and Peking Union Medical College, Kunming, China
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11
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Missiakas D, Winstel V. Selective Host Cell Death by Staphylococcus aureus: A Strategy for Bacterial Persistence. Front Immunol 2021; 11:621733. [PMID: 33552085 PMCID: PMC7859115 DOI: 10.3389/fimmu.2020.621733] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2020] [Accepted: 12/03/2020] [Indexed: 12/12/2022] Open
Abstract
Host cell death programs are fundamental processes that shape cellular homeostasis, embryonic development, and tissue regeneration. Death signaling and downstream host cell responses are not only critical to guide mammalian development, they often act as terminal responses to invading pathogens. Here, we briefly review and contrast how invading pathogens and specifically Staphylococcus aureus manipulate apoptotic, necroptotic, and pyroptotic cell death modes to establish infection. Rather than invading host cells, S. aureus subverts these cells to produce diffusible molecules that cause death of neighboring hematopoietic cells and thus shapes an immune environment conducive to persistence. The exploitation of cell death pathways by S. aureus is yet another virulence strategy that must be juxtaposed to mechanisms of immune evasion, autophagy escape, and tolerance to intracellular killing, and brings us closer to the true portrait of this pathogen for the design of effective therapeutics and intervention strategies.
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Affiliation(s)
- Dominique Missiakas
- Howard Taylor Ricketts Laboratory, Department of Microbiology, University of Chicago, Lemont, IL, United States
| | - Volker Winstel
- Research Group Pathogenesis of Bacterial Infections, TWINCORE, Centre for Experimental and Clinical Infection Research, a joint venture between the Hannover Medical School and the Helmholtz Centre for Infection Research, Hannover, Germany
- Institute of Medical Microbiology and Hospital Epidemiology, Hannover Medical School, Hannover, Germany
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12
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Van den Bossche S, Vandeplassche E, Ostyn L, Coenye T, Crabbé A. Bacterial Interference With Lactate Dehydrogenase Assay Leads to an Underestimation of Cytotoxicity. Front Cell Infect Microbiol 2020; 10:494. [PMID: 33042868 PMCID: PMC7523407 DOI: 10.3389/fcimb.2020.00494] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2020] [Accepted: 08/10/2020] [Indexed: 12/21/2022] Open
Abstract
Models to study host-pathogen interactions in vitro are an important tool for investigating the infectious disease process and evaluating the efficacy of antimicrobial compounds. In these models, the viability of mammalian cells is often determined using the lactate dehydrogenase (LDH) cytotoxicity assay. In the present study we evaluated whether bacteria could interfere with the LDH assay. As a model for host-pathogen interactions, we co-cultured lung epithelial cells with eight bacteria encountered in the lower respiratory tract. We show that LDH activity is affected by Pseudomonas aeruginosa, Klebsiella pneumoniae, Stenotrophomonas maltophilia, and Streptococcus pneumoniae, and that this depends on the density of the start inoculum and the duration of infection. Two different mechanisms were discovered through which bacteria interfered with LDH activity, i.e., acidification of the cell culture medium (by K. pneumoniae and S. pneumoniae) and protease production (by P. aeruginosa and S. maltophilia). In addition, we developed and validated a modified protocol to evaluate cytotoxicity using the LDH assay, where bacterial interference with LDH quantification is avoided.
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Affiliation(s)
| | - Eva Vandeplassche
- Laboratory of Pharmaceutical Microbiology, Ghent University, Ghent, Belgium
| | - Lisa Ostyn
- Laboratory of Pharmaceutical Microbiology, Ghent University, Ghent, Belgium
| | - Tom Coenye
- Laboratory of Pharmaceutical Microbiology, Ghent University, Ghent, Belgium
| | - Aurélie Crabbé
- Laboratory of Pharmaceutical Microbiology, Ghent University, Ghent, Belgium
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13
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Türk E, Güvenç M, Cellat M, Uyar A, Kuzu M, Ağgül AG, Kırbaş A. Zingerone protects liver and kidney tissues by preventing oxidative stress, inflammation, and apoptosis in methotrexate-treated rats. Drug Chem Toxicol 2020; 45:1054-1065. [PMID: 32781857 DOI: 10.1080/01480545.2020.1804397] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
The clinical use of drugs used in the treatment of diseases is limited due to the toxic side effects, and many studies have been conducted to benefit from herbal adjuvant therapies recently to eliminate these effects. In this study, the protective effect of zingerone against liver and kidney damage generated in rats through methotrexate (MTX). Histopathological investigations were performed to determine tissue damage caused by MTX and the healing effect of zingone and liver function markers such as serum alanine transaminase (ALT), aspartate transaminase (AST), alkaline phosphatase (ALP), and renal function markers such as urea, creatine, and aquaporin-1 (AQP-1) were measured. The effects of MTX and protective properties of zingerone on oxidative stress were investigated through the measurement of malondialdehyde and reduced glutathione (GSH) levels, catalase (CAT), and glutathione peroxidase (GPx) enzyme activities. The anti-inflammatory effect of zingerone was determined by measuring the cytokine levels causing inflammation such as nuclear factor-kappa B (NF-κB), tumor necrosis factor-α (TNF-α), and interleukin-1β (IL-1β), and its effects on apoptosis were determined by immunohistochemical analysis of caspase-3 and B-cell lymphoma-2 (Bcl-2) expression levels. According to the results obtained within the scope of the study, it was determined that zingerone treatment prevented the increase in MTX-induced liver and kidney function markers, showed healing effects on antioxidant parameters degraded in both tissues, and decreased the inflammation parameters. It was determined that it also prevented apoptosis and possessed a protective effect on disrupted tissue architecture by decreasing the increased caspase-3 expression and increasing the decreased Bcl-2 level.
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Affiliation(s)
- Erdinç Türk
- Department of Pharmacology and Toxicology, Mustafa Kemal University, Hatay, Turkey
| | - Mehmet Güvenç
- Department of Physiology, Mustafa Kemal University, Hatay, Turkey
| | - Mustafa Cellat
- Department of Physiology, Mustafa Kemal University, Hatay, Turkey
| | - Ahmet Uyar
- Department of Pathology, Mustafa Kemal University, Hatay, Turkey
| | - Müslüm Kuzu
- Department of Nutrition and Dietetics, Karabuk University, Karabuk, Turkey
| | | | - Akın Kırbaş
- Department of Internal Medicine, Bozok University, Yozgat, Turkey
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14
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Zhang J, Zhao Y, Ren D, Yang X. Effect of okra fruit powder supplementation on metabolic syndrome and gut microbiota diversity in high fat diet-induced obese mice. Food Res Int 2019; 130:108929. [PMID: 32156377 DOI: 10.1016/j.foodres.2019.108929] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2019] [Revised: 11/29/2019] [Accepted: 12/17/2019] [Indexed: 02/08/2023]
Abstract
This study aimed to explore a novel strategy for dietary okra fruit powder (OFP) consumption on attenuation of non-alcohol fatty liver damage, lipid metabolic disorder and gut microbiota dysbiosis and associated mechanisms in high-fat diet (HFD)-induced obese mice. C57BL/6J mice were fed a normal diet and HFD feeds supplemented with or without OFP (2.5%, 5% and 10%, n = 10) for 12 weeks. The results showed that supplementation of OFP caused strong inhibition on HFD-caused high blood glucose, body weight gain and liver fat accumulation, as well as dyslipidemia involved in a dose-dependent modulation of hepatic FAS and CD36 expressions of obese mice. The hepatic LXR-α energy metabolism and PPAR-α pathway were also doubly activated by OFP to alleviate lipogenesis, obesity and metabolic syndrome. Malonaldehyde production was effectively antagonized, and glutathione peroxidase and superoxide dismutase activities were elevated by OFP supplementation in HFD-fed mice. OFP also significantly improved colonic SCFAs (acetic acid, propionic acid and butyrate acid) formation, especially for butyrate production via increasing the proportion of selected butyrate-producing bacteria. OFP also dramatically modified the gut microbial species at the family level with suppressing an increase in Proteobacteria, Actinobacteria and F/B ratio, and the decrease in Bacteroidetes caused by HFD. These findings support that dietary OFP consumption is a novel strategy to prevent obesity, metabolic syndrome and gut microbiota imbalance.
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Affiliation(s)
- Jin Zhang
- Key Laboratory of Ministry of Education for Medicinal Resource and Natural Pharmaceutical Chemistry, College of Life Sciences, Shaanxi Normal University, Xi'an 710062, China
| | - Yan Zhao
- Key Laboratory of Ministry of Education for Medicinal Resource and Natural Pharmaceutical Chemistry, College of Life Sciences, Shaanxi Normal University, Xi'an 710062, China.
| | - Daoyuan Ren
- Shaanxi Engineering Laboratory for Food Green Processing and Safety Control, and Shaanxi Key Laboratory for Hazard Factors Assessment in Processing and Storage of Agricultural Products, College of Food Engineering and Nutritional Science, Shaanxi Normal University, Xi'an 710062, China
| | - Xingbin Yang
- Shaanxi Engineering Laboratory for Food Green Processing and Safety Control, and Shaanxi Key Laboratory for Hazard Factors Assessment in Processing and Storage of Agricultural Products, College of Food Engineering and Nutritional Science, Shaanxi Normal University, Xi'an 710062, China.
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15
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Faust H, Mangalmurti NS. Collateral damage: necroptosis in the development of lung injury. Am J Physiol Lung Cell Mol Physiol 2019; 318:L215-L225. [PMID: 31774305 DOI: 10.1152/ajplung.00065.2019] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023] Open
Abstract
Cell death is increasingly recognized as a driving factor in the development of acute lung injury. Necroptosis, an immunogenic regulated cell death program important in innate immunity, has been implicated in the development of lung injury in a diverse range of conditions. Characterized by lytic cell death and consequent extracellular release of endogenous inflammatory mediators, necroptosis can be both beneficial and deleterious to the host, depending on the context. Here, we review recent investigations linking necroptosis and the development of experimental lung injury. We assess the consequences of necroptosis during bacterial pneumonia, viral infection, sepsis, and sterile injury, highlighting increasing evidence from in vitro studies, animal models, and clinical studies that implicates necroptosis in the pathogenesis of ARDS. Lastly, we highlight current challenges in translating laboratory findings to the bedside.
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Affiliation(s)
- Hilary Faust
- Allergy, Pulmonary, and Critical Care Division, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin
| | - Nilam S Mangalmurti
- Pulmonary, Allergy, and Critical Care Division, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania.,Lung Biology Institute, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania
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16
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Costunolide alleviates HKSA-induced acute lung injury via inhibition of macrophage activation. Acta Pharmacol Sin 2019; 40:1040-1048. [PMID: 30644422 DOI: 10.1038/s41401-018-0192-6] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2018] [Accepted: 11/01/2018] [Indexed: 12/26/2022] Open
Abstract
Staphylococcus aureus (S. aureus) infection leads to a severe inflammatory response and causes acute lung injury (ALI), eventually threatening human life. Therefore, it is of importance to find an agent to inhibit inflammation and reduce ALI. Here, we found that costunolide, a sesquiterpene lactone, displays anti-inflammatory effects and ameliorates heat-killed S. aureus (HKSA)-induced pneumonia. Costunolide treatment attenuated HKSA-induced murine ALI in which pulmonary neutrophil infiltration was inhibited, lung edema was decreased, and the production of pro-inflammatory cytokines was significantly reduced. In addition, costunolide dose-dependently inhibited the generation of IL-6, TNF-α, IL-1β, and keratinocyte-derived cytokine (KC), as well as the expression of iNOS, in HKSA-induced macrophages. Furthermore, costunolide attenuated the phosphorylation of p38 MAPK and cAMP response element-binding protein (CREB). Collectively, our findings suggested that costunolide is a promising agent for alleviating bacterial-induced ALI via the inhibition of the MAPK signaling pathways.
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17
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Teufelberger AR, Bröker BM, Krysko DV, Bachert C, Krysko O. Staphylococcus aureus Orchestrates Type 2 Airway Diseases. Trends Mol Med 2019; 25:696-707. [PMID: 31176612 DOI: 10.1016/j.molmed.2019.05.003] [Citation(s) in RCA: 41] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2019] [Revised: 05/08/2019] [Accepted: 05/10/2019] [Indexed: 12/15/2022]
Abstract
Staphylococcus aureus persistently colonizes the nostrils of one-third of the population but colonizes the sinus mucosa in up to 90% of patients with nasal polyps, implying a possible role in airway disease. Recent findings give new mechanistic insights into the ability of S. aureus to trigger type 2 inflammatory responses in the upper and lower airways. This novel concept of a S. aureus-driven chronic airway inflammatory disease suggests a new understanding of disease triggers. This article reviews the role of S. aureus in chronic inflammatory airway diseases and discusses possible therapeutic approaches to target S. aureus.
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Affiliation(s)
- Andrea R Teufelberger
- Upper Airways Research Laboratory, Department of Otorhinolaryngology, Ghent University, Ghent, Belgium
| | - Barbara M Bröker
- Department of Immunology, University Medicine Greifswald, Greifswald, Germany
| | - Dmitri V Krysko
- Institute of Biology and Biomedicine, National Research Lobachevsky State University of Nizhni Novgorod, Nizhny Novgorod, Russia; Cell Death Investigation and Therapy Laboratory, Department of Human Structure and Repair, Ghent University, Ghent, Belgium; Cancer Research Institute Ghent, Ghent, Belgium
| | - Claus Bachert
- Upper Airways Research Laboratory, Department of Otorhinolaryngology, Ghent University, Ghent, Belgium; Division of ENT Diseases, CLINTEC, Karolinska Institute, Stockholm, Sweden
| | - Olga Krysko
- Upper Airways Research Laboratory, Department of Otorhinolaryngology, Ghent University, Ghent, Belgium.
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18
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Abstract
Community-acquired pneumonia (CAP) is a leading cause of morbidity and mortality worldwide. Despite broad literature including basic and translational scientific studies, many gaps in our understanding of host-pathogen interactions remain. In this review, pathogen virulence factors that drive lung infection and injury are discussed in relation to their associated host immune pathways. CAP epidemiology is considered, with a focus on Staphylococcus aureus and Streptococcus pneumoniae as primary pathogens. Bacterial factors involved in nasal colonization and subsequent virulence are illuminated. A particular emphasis is placed on bacterial pore-forming toxins, host cell death, and inflammasome activation. Identified host-pathogen interactions are then examined by linking pathogen factors to aberrant host response pathways in the context of acute lung injury in both primary and secondary infection. While much is known regarding bacterial virulence and host immune responses, CAP management is still limited to mostly supportive care. It is likely that improvements in therapy will be derived from combinatorial targeting of both pathogen virulence factors and host immunomodulation.
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19
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Zhang J, Lu Y, Yang X, Zhao Y. Supplementation of okra seed oil ameliorates ethanol-induced liver injury and modulates gut microbiota dysbiosis in mice. Food Funct 2019; 10:6385-6398. [DOI: 10.1039/c9fo00189a] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
This study assesses the possible effects of dietary okra seed oil (OSO) consumption on attenuation of alcohol-induced liver damage and gut microbiota dysbiosis, and associated mechanisms in mice.
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Affiliation(s)
- Jin Zhang
- Key Laboratory of Ministry of Education for Medicinal Resource and Natural Pharmaceutical Chemistry
- College of Life Sciences
- Shaanxi Normal University
- Xi'an 710062
- China
| | - Yalong Lu
- Shaanxi Engineering Laboratory for Food Green Processing and Safety Control
- College of Food Engineering and Nutritional Science
- Shaanxi Normal University
- Xi'an 710062
- China
| | - Xingbin Yang
- Shaanxi Engineering Laboratory for Food Green Processing and Safety Control
- College of Food Engineering and Nutritional Science
- Shaanxi Normal University
- Xi'an 710062
- China
| | - Yan Zhao
- Key Laboratory of Ministry of Education for Medicinal Resource and Natural Pharmaceutical Chemistry
- College of Life Sciences
- Shaanxi Normal University
- Xi'an 710062
- China
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