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Fan Y, Xu Y, Huo Z, Zhang H, Peng L, Jiang X, Thomson AW, Dai H. Role of triggering receptor expressed on myeloid cells-1 in kidney diseases: A biomarker and potential therapeutic target. Chin Med J (Engl) 2024; 137:1663-1673. [PMID: 38809056 PMCID: PMC11268828 DOI: 10.1097/cm9.0000000000003197] [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: 02/05/2024] [Indexed: 05/30/2024] Open
Abstract
ABSTRACT Triggering receptor expressed on myeloid cells-1 (TREM-1) is a member of the immunoglobulin superfamily. As an amplifier of the inflammatory response, TREM-1 is mainly involved in the production of inflammatory mediators and the regulation of cell survival. TREM-1 has been studied in infectious diseases and more recently in non-infectious disorders. More and more studies have shown that TREM-1 plays an important pathogenic role in kidney diseases. There is evidence that TREM-1 can not only be used as a biomarker for diagnosis of disease but also as a potential therapeutic target to guide the development of novel therapeutic agents for kidney disease. This review summarized molecular biology of TREM-1 and its signaling pathways as well as immune response in the progress of acute kidney injury, renal fibrosis, diabetic nephropathy, immune nephropathy, and renal cell carcinoma.
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Affiliation(s)
- Yuxi Fan
- Department of Immunology, School of Basic Medical Science, Central South University, Changsha, Hunan 410013, China
- Department of Kidney Transplantation, Center of Organ Transplantation, The Second Xiangya Hospital of Central South University, Changsha, Hunan 410011, China
| | - Ye Xu
- Department of Kidney Transplantation, Center of Organ Transplantation, The Second Xiangya Hospital of Central South University, Changsha, Hunan 410011, China
- Medical College of Guangxi University, Nanning, Guangxi 530004, China
| | - Zhi Huo
- Department of Immunology, School of Basic Medical Science, Central South University, Changsha, Hunan 410013, China
| | - Hedong Zhang
- Department of Kidney Transplantation, Center of Organ Transplantation, The Second Xiangya Hospital of Central South University, Changsha, Hunan 410011, China
| | - Longkai Peng
- Department of Kidney Transplantation, Center of Organ Transplantation, The Second Xiangya Hospital of Central South University, Changsha, Hunan 410011, China
| | - Xin Jiang
- Department of Organ Transplantation, The Fifth Clinical Medical College of Henan University of Chinese Medicine (Zhengzhou People’s Hospital), Zhengzhou, Henan 450000, China
| | - Angus W. Thomson
- Department of Surgery, Thomas E. Starzl Transplantation Institute, University of Pittsburgh School of Medicine, Pittsburgh, PA 15261, USA
| | - Helong Dai
- Department of Kidney Transplantation, Center of Organ Transplantation, The Second Xiangya Hospital of Central South University, Changsha, Hunan 410011, China
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Sun F, Liu W, Li X, Wang X, Ou Y, Li X, Shi M. Median nerve electrical stimulation improves traumatic brain injury by reducing TACR1 to inhibit nuclear factor-κB and CCL7 activation in microglia. Histol Histopathol 2024; 39:889-902. [PMID: 38098319 DOI: 10.14670/hh-18-686] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2023]
Abstract
The existing report elucidates that median nerve electrical stimulation (MNS) plays a role in treating traumatic brain injury (TBI). Herein, we explored the mechanism of MNS in TBI. A TBI-induced coma model (skull was hit by a cylindrical impact hammer) was established in adult Sprague-Dawley rats. Microglia were isolated from newborn Sprague-Dawley rats and was injured by lipopolysaccharide (LPS; 10 ng/mL). Consciousness was assessed by sensory and motor functions. Brain tissue morphology was detected using hematoxylin-eosin staining assay. Ionized calcium binding adapter molecule 1, NeuN and tachykinin receptor 1 (TACR1) level were detected by immunohistochemical assay. Levels of pro-inflammatory and anti-inflammatory factors were measured by enzyme linked immune sorbent assay (ELISA). Levels of TACR1, C-C motif chemokine 7 (CCL7), phosphorylation (p)-P65 and P65 were assessed by quantitative real time polymerase chain reaction (qRT-PCR) and western blot. M1 markers (inducible nitric oxide synthase and CD86) and M2 markers (arginase-1 (Arg1) and chitinase 3-like 3 (YM1)) of microglia as well as the transfection efficiency of short hairpin TACR1 (shTACR1) were assessed by qRT-PCR. Immunofluorescence and flow cytometry assay were used to detect microglia morphology and neuron apoptosis. MNS reduced neuron injury and microglia activation in the TBI-induced rat coma model. MNS reversed the effects of TBI on levels of inflammation-related factors, M1/M2 microglia markers, TACR1, p-P65/P65 and CCL7 in rats. shTACR1 reversed the effects of LPS on inflammation-related factors, M1/M2 microglia markers, microglia activation, neuron apoptosis, p-P65/P65 value and CCL7 level. Our results revealed that MNS improved TBI by reducing TACR1 to inhibit nuclear factor-κB (NF-κB) and CCL7 activation in microglia.
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Affiliation(s)
- Fan Sun
- Cardiopulmonary Intensive Care Rehabilitation Department, the Third Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, Zhejiang Province, PR China
| | - Wenbing Liu
- Cardiopulmonary Intensive Care Rehabilitation Department, the Third Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, Zhejiang Province, PR China
| | - Xiaodong Li
- Cardiopulmonary Intensive Care Rehabilitation Department, the Third Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, Zhejiang Province, PR China
| | - Xiaowei Wang
- Cardiopulmonary Intensive Care Rehabilitation Department, the Third Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, Zhejiang Province, PR China
| | - Yali Ou
- Cardiopulmonary Intensive Care Rehabilitation Department, the Third Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, Zhejiang Province, PR China
| | - Xuesong Li
- Cardiopulmonary Intensive Care Rehabilitation Department, Zhejiang Rehabilitation Medical Center, Hangzhou, Zhejiang Province, PR China
| | - Min Shi
- Neurology Department, the Third Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, Zhejiang Province, PR China.
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Guo C, Ruan J, Li Z, Fu H, Li K, Gong X, Gu X, Gu J, Shi H. Cadmium promoted LPS-induced inflammation through TLR4/IκBα/NFκ-B signaling by increasing ROS-mediated incomplete autophagy. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2024; 278:116405. [PMID: 38696874 DOI: 10.1016/j.ecoenv.2024.116405] [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: 03/16/2024] [Revised: 04/17/2024] [Accepted: 04/24/2024] [Indexed: 05/04/2024]
Abstract
Cadmium (Cd) exposure is considered as non-infectious stressor to human and animal health. Recent studies suggest that the immunotoxicity of low dose Cd is not directly apparent, but disrupts the immune responses when infected with some bacteria or virus. But how Cd alters the adaptive immunity organ and cells remains unclear. In this study, we applied lipopolysaccharide (LPS, infectious stressor) to induced inflammation in spleen tissues and T cells, and investigated the effects after Cd exposure and the underlying mechanism. Cd exposure promoted LPS-induced the expressions of the inflammatory factors, induced abnormal initiation of autophagy, but blocked autophagic flux. The effects Cd exposure under LPS activation were reversed by the autophagy promoter Rapamycin. Under LPS activation conditions, Cd also induced oxidative stress by increasing the levels of reactive oxygen species (ROS) and malondialdehyde (MDA), and reducing total antioxidant capacity (T-AOC) activity. The increased superoxide dismutase (SOD) activity after Cd exposure might be a negative feedback or passive adaptive regulation of oxidative stress. Cd-increased autophagic flux inhibition and TNF-α expression were reversed by ROS scavenger α-tocopherol (TCP). Furthermore, under LPS activation condition, Cd promoted activation of toll-like receptor 4 (TLR4)/IκBα/NFκ-B signaling pathway and increased TLR4 protein stability, which were abolished by the pretreatment of Rapamycin. The present study confirmed that, by increasing ROS-mediated inhibiting autophagic degradation of TLR4, Cd promoted LPS-induced inflammation in spleen T cells. This study identified the mechanism of autophagy in Cd-aggravated immunotoxicity under infectious stress, which could arouse public attention to synergistic toxicity of Cd and bacterial or virus infection.
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Affiliation(s)
- Chuanzhi Guo
- School of Life Sciences, Jiangsu University, Zhenjiang 212013, China
| | - Jiacheng Ruan
- School of Life Sciences, Jiangsu University, Zhenjiang 212013, China
| | - Zehua Li
- School of Life Sciences, Jiangsu University, Zhenjiang 212013, China
| | - Huilin Fu
- School of Life Sciences, Jiangsu University, Zhenjiang 212013, China
| | - Kongdong Li
- School of Life Sciences, Jiangsu University, Zhenjiang 212013, China
| | - Xun Gong
- Department of Rheumatology & Immunology, the Affiliated Hospital of Jiangsu University, Zhenjiang 212013, China
| | - Xin Gu
- King's Own Institute, Sydney 2000, Australia; The University of Newcastle, Callaghan 2308, Australia
| | - Jie Gu
- School of Life Sciences, Jiangsu University, Zhenjiang 212013, China.
| | - Haifeng Shi
- School of Life Sciences, Jiangsu University, Zhenjiang 212013, China.
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Lin J, Zhang Y, Guan H, Li S, Sui Y, Hong L, Zheng Z, Huang M. Myricitrin inhibited ferritinophagy-mediated ferroptosis in cisplatin-induced human renal tubular epithelial cell injury. Front Pharmacol 2024; 15:1372094. [PMID: 38910888 PMCID: PMC11190325 DOI: 10.3389/fphar.2024.1372094] [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: 01/17/2024] [Accepted: 05/14/2024] [Indexed: 06/25/2024] Open
Abstract
Cisplatin-induced acute kidney injury (AKI) increases the patient mortality dramatically and results in an unfavorable prognosis. A strong correlation between AKI and ferroptosis, which is a notable type of programmed cell death, was found in recent studies. Myricitrin is a natural flavonoid compound with diverse pharmacological properties. To investigate the protective effect of myricitrin against cisplatin induced human tubular epithelium (HK-2) cell injury and the underlying anti-ferroptic mechanism by this study. Firstly, a pharmacology network analysis was proposed to explore the myricitrin's effect. HK-2 cells were employed for in vitro experiments. Ferroptosis was detected by cell viability, quantification of iron, malondialdehyde, glutathione, lipid peroxidation fluorescence, and glutathione peroxidase (GPX4) expression. Ferritinophagy was detected by related protein expression (NCOA4, FTH, LC3II/I, and SQSTM1). In our study, GO enrichment presented that myricitrin might be effective in eliminating ferroptosis. The phenomenon of ferroptosis regulated by ferritinophagy was observed in cisplatin-activated HK-2 cells. Meanwhile, pretreatment with myricitrin significantly rescued HK-2 cells from cell death, reduced iron overload and lipid peroxidation biomarkers, and improved GPX4 expression. In addition, myricitrin downregulated the expression of LC3II/LC3I and NCOA4 and elevated the expression of FTH and SQTM. Furthermore, myricitrin inhibited ROS production and preserved mitochondrial function with a lower percentage of green JC-1 monomers. However, the protection could be reserved by the inducer of ferritinophagy rapamycin. Mechanically, the Hub genes analysis reveals that AKT and NF-κB are indispensable mediators in the anti-ferroptic process. In conclusion, myricitrin ameliorates cisplatin induced HK-2 cells damage by attenuating ferritinophagy mediated ferroptosis.
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Affiliation(s)
- Jiawen Lin
- Department of Nephrology, Kidney and Urology Center, The Seventh Affiliated Hospital, Sun Yat-sen University, Shenzhen, China
| | - Yangyang Zhang
- Department of Nephrology, Kidney and Urology Center, The Seventh Affiliated Hospital, Sun Yat-sen University, Shenzhen, China
| | - Hui Guan
- Department of Radiation Oncology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Shuping Li
- Department of Physiology, University of Oklahoma Health Sciences Center, Oklahoma City, OK, United States
| | - Yuan Sui
- Molecular and Cellular Biology Laboratory, The Salk Institute for Biological Studies, La Jolla, CA, United States
| | - Ling Hong
- Department of Nephrology, Kidney and Urology Center, The Seventh Affiliated Hospital, Sun Yat-sen University, Shenzhen, China
| | - Zhihua Zheng
- Department of Nephrology, Kidney and Urology Center, The Seventh Affiliated Hospital, Sun Yat-sen University, Shenzhen, China
| | - Mingcheng Huang
- Department of Nephrology, Kidney and Urology Center, The Seventh Affiliated Hospital, Sun Yat-sen University, Shenzhen, China
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Tan Y, Qiao J, Yang S, Liu H, Wang Q, Liu Q, Feng W, Cui L. H3K4me3-Mediated FOXJ2/SLAMF8 Axis Aggravates Thrombosis and Inflammation in β2GPI/Anti-β2GPI-Treated Monocytes. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024; 11:e2309140. [PMID: 38639399 PMCID: PMC11199983 DOI: 10.1002/advs.202309140] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/28/2023] [Revised: 03/31/2024] [Indexed: 04/20/2024]
Abstract
Antiphospholipid syndrome (APS) is characterized by thrombus formation, poor pregnancy outcomes, and a proinflammatory response. H3K4me3-related monocytes activation are key regulators of APS pathogenesis. Therefore, H3K4me3 CUT&Tag and ATAC-seq are performed to examine the epigenetic profiles. The results indicate that the H3K4me3 signal and chromatin accessibility at the FOXJ2 promoter are enhanced in an in vitro monocyte model by stimulation with β2GPI/anti-β2GPI, which mimics APS, and decreases after OICR-9429 administration. Furthermore, FOXJ2 is highly expressed in patients with primary APS (PAPS) and is the highest in patients with triple-positive antiphospholipid antibodies (aPLs). Mechanistically, FOXJ2 directly binds to the SLAMF8 promoter and activates SLAMF8 transcription. SLAMF8 further interacts with TREM1 to stimulate TLR4/NF-κB signaling and prohibit autophagy. Knockdown of FOXJ2, SLAMF8, or TREM1 blocks TLR4/NF-κB and provokes autophagy, subsequently inhibiting the release of inflammatory and thrombotic indicators. A mouse model of vascular APS is established via β2GPI intraperitoneal injection, and the results suggest that OICR-9429 administration attenuates the inflammatory response and thrombus formation by inactivating FOXJ2/SLAMF8/TREM1 signaling. These findings highlight the overexpression of H3K4me3-mediated FOXJ2 in APS, which consequently accelerates APS pathogenesis by triggering inflammation and thrombosis via boosting the SLAMF8/TREM1 axis. Therefore, OICR-9429 is a promising candidate drug for APS therapy.
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Affiliation(s)
- Yuan Tan
- Institute of Medical TechnologyPeking University Health Science CenterBeijing100191China
- Department of Laboratory MedicinePeking University Third HospitalBeijing100191China
- Core Unit of National Clinical Research Center for Laboratory MedicinePeking University Third HospitalBeijing100191China
| | - Jiao Qiao
- Institute of Medical TechnologyPeking University Health Science CenterBeijing100191China
- Department of Laboratory MedicinePeking University Third HospitalBeijing100191China
- Core Unit of National Clinical Research Center for Laboratory MedicinePeking University Third HospitalBeijing100191China
| | - Shuo Yang
- Department of Laboratory MedicinePeking University Third HospitalBeijing100191China
- Core Unit of National Clinical Research Center for Laboratory MedicinePeking University Third HospitalBeijing100191China
| | - Hongchao Liu
- Department of Laboratory MedicinePeking University Third HospitalBeijing100191China
- Core Unit of National Clinical Research Center for Laboratory MedicinePeking University Third HospitalBeijing100191China
| | - Qingchen Wang
- Department of Laboratory MedicinePeking University Third HospitalBeijing100191China
- Core Unit of National Clinical Research Center for Laboratory MedicinePeking University Third HospitalBeijing100191China
| | - Qi Liu
- Institute of Medical TechnologyPeking University Health Science CenterBeijing100191China
- Department of Laboratory MedicinePeking University Third HospitalBeijing100191China
- Core Unit of National Clinical Research Center for Laboratory MedicinePeking University Third HospitalBeijing100191China
| | - Weimin Feng
- Institute of Medical TechnologyPeking University Health Science CenterBeijing100191China
- Department of Laboratory MedicinePeking University Third HospitalBeijing100191China
- Core Unit of National Clinical Research Center for Laboratory MedicinePeking University Third HospitalBeijing100191China
| | - Liyan Cui
- Institute of Medical TechnologyPeking University Health Science CenterBeijing100191China
- Department of Laboratory MedicinePeking University Third HospitalBeijing100191China
- Core Unit of National Clinical Research Center for Laboratory MedicinePeking University Third HospitalBeijing100191China
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Li C, Cai C, Xu D, Chen X, Song J. TREM1: Activation, signaling, cancer and therapy. Pharmacol Res 2024; 204:107212. [PMID: 38749377 DOI: 10.1016/j.phrs.2024.107212] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/20/2024] [Revised: 04/12/2024] [Accepted: 05/09/2024] [Indexed: 06/01/2024]
Abstract
Triggering receptor expressed on myeloid cells 1 (TREM1) is a cell surface receptor expressed on neutrophils, monocytes and some tissue macrophages, where it functions as an immunoregulator that controls myeloid cell responses. The activation of TREM1 is suggested to be an upregulation-based, ligands-induced and structural multimerization-mediated process, in which damage- and pathogen-associated molecular patterns play important roles. Activated TREM1 initiates an array of downstream signaling pathways that ultimately result in the production of pro-inflammatory cytokines and chemokines, whereby it functions as an amplifier of inflammation and is implicated in the pathogenesis of many inflammation-associated diseases. Over the past decade, there has been growing evidence for the involvement of TREM1 overactivation in tumor stroma inflammation and cancer progression. Indeed, it was shown that TREM1 promotes tumor progression, immunosuppression, and resistance to therapy by activating tumor-infiltrating myeloid cells. TREM1-deficiency or blockade provide protection against tumors and reverse the resistance to anti-PD-1/PD-L1 therapy and arginine-deprivation therapy in preclinical models. Here, we first review the structure, activation modes and signaling pathways of TREM1 and emphasize the role of soluble TREM1 as a biomarker of infection and cancer. We then focus on the role of TREM1 in cancer and systematically summarize its expression patterns, upregulation mechanisms and functions in tumor development and progression. Lastly, we discuss the therapeutic prospects of TREM1 inhibition, via effective pharmacological inhibitors, in treating cancer and other diseases.
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Affiliation(s)
- Chenyang Li
- Hepatic Surgery Centre, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China; Clinical Medicine Research Centre for Hepatic Surgery of Hubei Province, Wuhan, Hubei 430030, China; Hubei Key Laboratory of Hepato-Pancreato-Biliary Diseases, Wuhan, Hubei 430030, China
| | - Chujun Cai
- Department of Obstetrics and Gynecology, National Clinical Research Center for Obstetrics and Gynecology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China; Key Laboratory of Cancer Invasion and Metastasis(Ministry of Education), Hubei Key Laboratory of Tumor Invasion and Metastasis, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China
| | - Dafeng Xu
- Hepatic Surgery Centre, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China; Clinical Medicine Research Centre for Hepatic Surgery of Hubei Province, Wuhan, Hubei 430030, China; Hubei Key Laboratory of Hepato-Pancreato-Biliary Diseases, Wuhan, Hubei 430030, China
| | - Xiaoping Chen
- Hepatic Surgery Centre, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China; Clinical Medicine Research Centre for Hepatic Surgery of Hubei Province, Wuhan, Hubei 430030, China; Hubei Key Laboratory of Hepato-Pancreato-Biliary Diseases, Wuhan, Hubei 430030, China; Key Laboratory of Organ Transplantation, Ministry of Education, Wuhan, Hubei 430030, China; Key Laboratory of Organ Transplantation, National Health Commission, Wuhan, Hubei 430030, China; Key Laboratory of Organ Transplantation, Chinese Academy of Medical Sciences, Wuhan, Hubei 430030, China.
| | - Jia Song
- Hepatic Surgery Centre, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China; Clinical Medicine Research Centre for Hepatic Surgery of Hubei Province, Wuhan, Hubei 430030, China; Hubei Key Laboratory of Hepato-Pancreato-Biliary Diseases, Wuhan, Hubei 430030, China.
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Yang Y, Xu J, Tu J, Sun Y, Zhang C, Qiu Z, Xiao H. Polygonum cuspidatum Sieb. et Zucc. Extracts improve sepsis-associated acute kidney injury by inhibiting NF-κB-mediated inflammation and pyroptosis. JOURNAL OF ETHNOPHARMACOLOGY 2024; 319:117101. [PMID: 37657770 DOI: 10.1016/j.jep.2023.117101] [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: 06/10/2023] [Revised: 08/18/2023] [Accepted: 08/27/2023] [Indexed: 09/03/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Polygonum cuspidatum Sieb. et Zucc. (Polygonum cuspidatum) is a herbaceous perennial plant in the Polygonaceae family that produces biofunctional stilbenes and quinones. The dried rhizome and root of P. cuspidatum in traditional oriental medicine have been used for ameliorating inflammatory illnesses, diabetes, gout, cancer, and other ailments. AIM OF THE STUDY This work aimed to investigate the protective effects of P. cuspidatum extracts (PCE) on sepsis-associated acute kidney injury (SA-AKI) and its underlying mechanism. MATERIALS AND METHODS The potential mechanisms by which PCE improved SA-AKI were preliminarily predicted by network pharmacology. The dry powders of PCE were obtained using the freeze-drying method. A mouse model of SA-AKI was established by intraperitoneal injection of lipopolysaccharide (LPS). The protective effects of PCE on SA-AKI in vivo were studied using pathological and biochemical methods. LPS-stimulated HK-2 cells were prepared for in vitro evaluation. The qPCR and immunoblotting assays were performed to confirm the mechanism involved. RESULTS The network pharmacology results indicate that emodin (Emo) and polydatin (PD) are potential active components of P. cuspidatum ameliorating SA-AKI. The experimental results showed that PCE improved renal function indices (creatinine, urea nitrogen, and urinary protein) in SA-AKI mice. Mechanistically, PCE mitigated oxidative stress, regulated the expression levels of pyroptosis-related proteins, and repressed the production of inflammatory cytokines by inactivating nuclear factor-kappa B (NF-κB) signaling in vivo. Similar results were observed in LPS-stimulated HK-2 cells in the presence of Emo or PD. CONCLUSIONS Our results demonstrated that PCE and active ingredients (Emo and PD) in PCE ameliorated SA-AKI by suppressing oxidative stress, inflammation, and pyroptosis.
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Affiliation(s)
- Yuan Yang
- Institute of Maternal and Child Health, Wuhan Children's Hospital (Wuhan Maternal and Child Healthcare Hospital), Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430016, People's Republic of China.
| | - Jia Xu
- Institute of Maternal and Child Health, Wuhan Children's Hospital (Wuhan Maternal and Child Healthcare Hospital), Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430016, People's Republic of China.
| | - Jie Tu
- Department of Pharmacy, The Central Hospital of Wuhan, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430014, People's Republic of China.
| | - Yi Sun
- School of Pharmacy, Hubei University of Chinese Medicine, Wuhan, 430065, People's Republic of China.
| | - Cong Zhang
- School of Pharmacy, Hubei University of Chinese Medicine, Wuhan, 430065, People's Republic of China.
| | - Zhenpeng Qiu
- School of Pharmacy, Hubei University of Chinese Medicine, Wuhan, 430065, People's Republic of China; Hubei Key Laboratory of Resources and Chemistry of Chinese Medicine, Hubei University of Chinese Medicine, Wuhan, 430065, People's Republic of China.
| | - Han Xiao
- Institute of Maternal and Child Health, Wuhan Children's Hospital (Wuhan Maternal and Child Healthcare Hospital), Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430016, People's Republic of China.
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Pan P, Chen J, Xie F, Guo Y, Liu X, Zhang D, Xie L, Su L. Enhancing Nix-dependent mitophagy relieves AKI by restricting TREM-1-mediated hyperactivation of inflammasome in platelets. FASEB J 2023; 37:e23239. [PMID: 37843818 DOI: 10.1096/fj.202202144rrr] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2022] [Revised: 09/03/2023] [Accepted: 09/21/2023] [Indexed: 10/17/2023]
Abstract
Platelets are highly involved in inflammation and organ injury under pathological conditions. The mitophagy in platelets may restrict hyperactivation of the inflammasome and relieve acute kidney injury (AKI). Cecal ligation puncture (CLP)/LPS-induced AKI Triggering receptor expressed on myeloid cells (TREM-1)-knockout mice models were established. Additionally, septic patients with AKI were also included. TREM-1 expression in platelets and inflammasome activation were examined. Platelet transfer assays were performed to investigate the contribution of platelet TREM-1 to renal injury. Mitophagy was evaluated in the context of inflammation. BNIP3L/Nix knockout mice were used to examine the relationship between platelet mitophagy and inflammatory activation. The results showed that the level of TREM-1 was increased and the platelet inflammasome was hyperactivated in CLP mice and septic patients, and TREM-1 activated platelet inflammasomes. TREM-1 deletion significantly abrogated hyperactivation of the platelet inflammasome and dramatically reduced AKI, whereas ablation of the mitophagy receptor BNIP3L/Nix induced the accumulation of damaged mitochondria and hyperactivation of platelet inflammasomes in CLP mice. BNIP3L/Nix controlled platelet inflammasome activation, and an amplification loop of platelet inflammasome activation and dysfunctional mitochondria controlled sepsis-related AKI. Therefore, targeting TREM-1 and NLRP3/BNIP3L in platelets may represent a novel therapeutic strategy for treating septic AKI.
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Affiliation(s)
- Pan Pan
- College of Pulmonary and Critical Care Medicine, 8th Medical Center, Chinese PLA General Hospital, Beijing, China
| | - Jie Chen
- Department of Respiratory Medicine, National Key Clinical Specialty, Branch of National Clinical Research Center for Respiratory Disease, Xiangya Hospital, Central South University, Changsha, China
| | - Fei Xie
- College of Pulmonary and Critical Care Medicine, 8th Medical Center, Chinese PLA General Hospital, Beijing, China
| | - Yinghua Guo
- College of Pulmonary and Critical Care Medicine, 8th Medical Center, Chinese PLA General Hospital, Beijing, China
| | - Xudong Liu
- Medical Science Research Center, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Dong Zhang
- Medical Science Research Center, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Lixin Xie
- College of Pulmonary and Critical Care Medicine, 8th Medical Center, Chinese PLA General Hospital, Beijing, China
| | - Longxiang Su
- Department of Critical Care Medicine, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China
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Li Q, Zhao Y, Guo H, Li Q, Yan C, Li Y, He S, Wang N, Wang Q. Impaired lipophagy induced-microglial lipid droplets accumulation contributes to the buildup of TREM1 in diabetes-associated cognitive impairment. Autophagy 2023; 19:2639-2656. [PMID: 37204119 PMCID: PMC10472854 DOI: 10.1080/15548627.2023.2213984] [Citation(s) in RCA: 20] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2022] [Revised: 04/25/2023] [Accepted: 05/10/2023] [Indexed: 05/20/2023] Open
Abstract
Neuroinflammation caused by microglial activation and consequent neurological impairment are prominent features of diabetes-associated cognitive impairment (DACI). Microglial lipophagy, a significant fraction of autophagy contributing to lipid homeostasis and inflammation, had mostly been ignored in DACI. Microglial lipid droplets (LDs) accumulation is a characteristic of aging, however, little is known about the pathological role of microglial lipophagy and LDs in DACI. Therefore, we hypothesized that microglial lipophagy could be an Achilles's heel exploitable to develop effective strategies for DACI therapy. Here, starting with characterization of microglial accumulation of LDs in leptin receptor-deficient (db/db) mice and in high-fat diet and STZ (HFD/STZ) induced T2DM mice, as well as in high-glucose (HG)-treated mice BV2, human HMC3 and primary mice microglia, we revealed that HG-dampened lipophagy was responsible for LDs accumulation in microglia. Mechanistically, accumulated LDs colocalized with the microglial specific inflammatory amplifier TREM1 (triggering receptor expressed on myeloid cells 1), resulting in the buildup of microglial TREM1, which in turn aggravates HG-induced lipophagy damage and subsequently promoted HG-induced neuroinflammatory cascades via NLRP3 (NLR family pyrin domain containing 3) inflammasome. Moreover, pharmacological blockade of TREM1 with LP17 in db/db mice and HFD/STZ mice inhibited accumulation of LDs and TREM1, reduced hippocampal neuronal inflammatory damage, and consequently improved cognitive functions. Taken together, these findings uncover a previously unappreciated mechanism of impaired lipophagy-induced TREM1 accumulation in microglia and neuroinflammation in DACI, suggesting its translational potential as an attractive therapeutic target for delaying diabetes-associated cognitive decline.Abbreviations: ACTB: beta actin; AIF1/IBA1: allograft inflammatory factor 1; ALB: albumin; ARG1: arginase 1; ATG3: autophagy related 3; Baf: bafilomycin A1; BECN1: beclin 1, autophagy related; BW: body weight; CNS: central nervous system; Co-IP: co-immunoprecipitation; DACI: diabetes-associated cognitive impairment; DAPI: 4',6-diamidino-2-phenylindole; DGs: dentate gyrus; DLG4/PSD95: discs large MAGUK scaffold protein 4; DMEM: Dulbecco's modified Eagle's medium; DSST: digit symbol substitution test; EDTA: ethylenedinitrilotetraacetic acid; ELISA: enzyme linked immunosorbent assay; GFAP: glial fibrillary acidic protein; HFD: high-fat diet; HG: high glucose; IFNG/IFN-γ: interferon gamma; IL1B/IL-1β: interleukin 1 beta; IL4: interleukin 4; IL6: interleukin 6; IL10: interleukin 10; LDs: lipid droplets; LPS: lipopolysaccharide; MAP2: microtubule associated protein 2; MAP1LC3B/LC3B: microtubule associated protein 1 light chain 3 beta; MWM: morris water maze; NFKB/NF-κB: nuclear factor of kappa light polypeptide gene enhancer in B cells; NLRP3: NLR family pyrin domain containing 3; NOS2/iNOS: nitric oxide synthase 2, inducible; NOR: novel object recognition; OA: oleic acid; PA: palmitic acid; PBS: phosphate-buffered saline; PFA: paraformaldehyde; PLIN2: perilipin 2; PLIN3: perilipin 3; PS: penicillin-streptomycin solution; RAPA: rapamycin; RBFOX3/NeuN: RNA binding protein, fox-1 homolog (C. elegans) 3; RELA/p65: RELA proto-oncogene, NF-kB subunit; ROS: reactive oxygen species; RT: room temperature; RT-qPCR: Reverse transcription quantitative real-time polymerase chain reaction; STZ: streptozotocin; SQSTM1/p62: sequestosome 1; SYK: spleen asociated tyrosine kinase; SYP: synaptophysin; T2DM: type 2 diabetes mellitus; TNF/TNF-α: tumor necrosis factor; TREM1: triggering receptor expressed on myeloid cells 1; TUNEL: terminal deoxynucleotidyl transferase-mediated dUTP-biotin nick end labeling.
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Affiliation(s)
- Qing Li
- Department of Anesthesiology & Center for Brain Science, The First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, Shaanxi, China
| | - Yujing Zhao
- Department of Anesthesiology & Center for Brain Science, The First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, Shaanxi, China
| | - Hongyan Guo
- Department of Anesthesiology & Center for Brain Science, The First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, Shaanxi, China
| | - Qiao Li
- Department of Anesthesiology & Center for Brain Science, The First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, Shaanxi, China
| | - Chaoying Yan
- Department of Anesthesiology & Center for Brain Science, The First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, Shaanxi, China
| | - Yansong Li
- Department of Anesthesiology & Center for Brain Science, The First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, Shaanxi, China
| | - Shuxuan He
- Department of Anesthesiology & Center for Brain Science, The First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, Shaanxi, China
| | - Nan Wang
- Department of Anesthesiology & Center for Brain Science, The First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, Shaanxi, China
| | - Qiang Wang
- Department of Anesthesiology & Center for Brain Science, The First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, Shaanxi, China
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Zhang W, Chen H, Xu Z, Zhang X, Tan X, He N, Shen J, Dong J. Liensinine pretreatment reduces inflammation, oxidative stress, apoptosis, and autophagy to alleviate sepsis acute kidney injury. Int Immunopharmacol 2023; 122:110563. [PMID: 37392573 DOI: 10.1016/j.intimp.2023.110563] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2023] [Revised: 06/20/2023] [Accepted: 06/22/2023] [Indexed: 07/03/2023]
Abstract
Liensinine is mainly derived from alkaloids extracted and isolated from lotus seeds (Nelumbo nucifera Gaertn). It possesses anti-inflammatory, and antioxidant, according to contemporary pharmacological investigations. However, the effects and therapeutic mechanisms of liensinine on acute kidney injury (AKI) models of sepsis are unclear. To gain insight into these mechanisms, we established a sepsis kidney injury model by LPS injection of mice treated with liensinine, and stimulation of HK-2 with LPS in vitro and treated with liensinine and inhibitors of p38 MAPK, JNK MAPK. We first found that liensinine significantly reduced kidney injury in sepsis mice, while suppressing excessive inflammatory responses, restoring renal oxidative stress-related biomarkers, reducing increased apoptosis in TUNEL-positive cells and excessive autophagy, and that this process was accompanied by an increase in JNK/ p38-ATF 2 axis. In vitro experiments further demonstrated that lensinine reduced the expression of KIM-1, NGAL, inhibited pro- and anti-inflammatory secretion disorders, regulated the activation of the JNK/p38-ATF 2 axis, and reduced the accumulation of ROS, as well as the reduction of apoptotic cells detected by flow cytometry, and that this process played the same role as that of p38 MAPK, JNK MAPK inhibitors. We speculate that liensinine and p38 MAPK, JNK MAPK inhibitors may act on the same targets and could be involved in the mechanism of alleviating sepsis kidney injury in part through modulation of the JNK/p38-ATF 2 axis. Our study demonstrates that lensinine is a potential drug and thus provides a potential avenue for the treatment of AKI.
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Affiliation(s)
- Wei Zhang
- Jiangsu Key Laboratory of Marine Bioresources and Environment, Co-Innovation Center of Jiangsu Marine Bio-industry Technology, Jiangsu Key Laboratory of Marine Pharmaceutical Compound Screening, College of Pharmacy, Jiangsu Ocean University, Lianyungang 222005, China
| | - Huizhen Chen
- Institute of Neuroscience, The First People's Hospital of Lianyungang, Lianyungang 222000, China
| | - Zhaoyun Xu
- Blood Transfusion Department, Ganyu District People's Hospital of Lianyungang City, Lianyungang 222100, China
| | - Xiao Zhang
- Jiangsu Key Laboratory of Marine Bioresources and Environment, Co-Innovation Center of Jiangsu Marine Bio-industry Technology, Jiangsu Key Laboratory of Marine Pharmaceutical Compound Screening, College of Pharmacy, Jiangsu Ocean University, Lianyungang 222005, China
| | - Xuelian Tan
- Jiangsu Key Laboratory of Marine Bioresources and Environment, Co-Innovation Center of Jiangsu Marine Bio-industry Technology, Jiangsu Key Laboratory of Marine Pharmaceutical Compound Screening, College of Pharmacy, Jiangsu Ocean University, Lianyungang 222005, China
| | - Nana He
- Jiangsu Key Laboratory of Marine Bioresources and Environment, Co-Innovation Center of Jiangsu Marine Bio-industry Technology, Jiangsu Key Laboratory of Marine Pharmaceutical Compound Screening, College of Pharmacy, Jiangsu Ocean University, Lianyungang 222005, China
| | - Jinyang Shen
- Jiangsu Key Laboratory of Marine Bioresources and Environment, Co-Innovation Center of Jiangsu Marine Bio-industry Technology, Jiangsu Key Laboratory of Marine Pharmaceutical Compound Screening, College of Pharmacy, Jiangsu Ocean University, Lianyungang 222005, China.
| | - Jingquan Dong
- Jiangsu Key Laboratory of Marine Bioresources and Environment, Co-Innovation Center of Jiangsu Marine Bio-industry Technology, Jiangsu Key Laboratory of Marine Pharmaceutical Compound Screening, College of Pharmacy, Jiangsu Ocean University, Lianyungang 222005, China.
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11
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Vandestienne M, Braik R, Lavillegrand JR, Hariri G, Demailly Z, Ben Hamouda N, Tamion F, Clavier T, Ait-Oufella H. Soluble TREM-1 plasma levels are associated with acute kidney injury, acute atrial fibrillation and prolonged ICU stay after cardiac surgery- a proof-concept study. Front Cardiovasc Med 2023; 10:1098914. [PMID: 37522081 PMCID: PMC10373879 DOI: 10.3389/fcvm.2023.1098914] [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: 02/15/2023] [Accepted: 06/27/2023] [Indexed: 08/01/2023] Open
Abstract
Background Cardiopulmonary bypass (CPB) during cardiac surgery leads to deleterious systemic inflammation. We hypothesized that TREM-1, a myeloid receptor shed after activation, drives systemic inflammation during CPB. Methods Prospective observational bi-centric study. Blood analysis (flow cytometry and ELISA) before and at H2 and H24 after CPB. Inclusion of adult patients who underwent elective cardiac surgery with CPB. Results TREM-1 expression on neutrophils decreased between H0 and H2 while soluble (s)TREM-1 plasma levels increased. sTREM-1 levels increased at H2 and at H24 (p < 0.001). IL-6, IL-8, G-CSF and TNF-α, but not IL-1β, significantly increased at H2 compared to H0 (p < 0.001), but dropped at H24. Principal component analysis showed a close relationship between sTREM-1 and IL-8. Three patterns of patients were identified: Profile 1 with high baseline sTREM-1 levels and high increase and profile 2/3 with low/moderate baseline sTREM-1 levels and no/moderate increase overtime. Profile 1 patients developed more severe organ failure after CPB, with higher norepinephrine dose, higher SOFA score and more frequently acute kidney injury at both H24 and H48. Acute atrial fibrillation was also more frequent in profile 1 patients at H24 (80% vs. 19.4%, p = 0.001). After adjustment on age and duration of CPB, H0, H2 and H24 sTREM-1 levels remained associated with prolonged ICU and hospital length of stay. Conclusions Baseline sTREM-1 levels as well as early kinetics after cardiac surgery identified patients at high risk of post-operative complications and prolonged length of stay.
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Affiliation(s)
- Marie Vandestienne
- Centre de Recherche Cardiovasculaire de Paris (PARCC), Université de Paris, Inserm U970, Paris, France
| | - Rayan Braik
- Centre de Recherche Cardiovasculaire de Paris (PARCC), Université de Paris, Inserm U970, Paris, France
| | - Jean-Rémi Lavillegrand
- Centre de Recherche Cardiovasculaire de Paris (PARCC), Université de Paris, Inserm U970, Paris, France
| | - Geoffroy Hariri
- Service de Réanimation Chirurgicale, Assistance Publique – Hôpitaux de Paris, Groupe Hospitalier Pitié-Salpétrière, Institut du Coeur, Paris, France
| | - Zoe Demailly
- Université de Normandie, UNIROUEN, Inserm U1096, FHU REMOD-VHF, Rouen, France
- Service D’anesthésie-Réanimation Chirurgicale, CHU De Rouen, Rouen, France
| | - Nadine Ben Hamouda
- Service D’Immunologie, Hôpital Européen Georges Pompidou, Assistance Publique – Hôpitaux de Paris, Paris, France
| | - Fabienne Tamion
- Université de Normandie, UNIROUEN, Inserm U1096, FHU REMOD-VHF, Rouen, France
- Service de Médecine Intensive-Réanimation, CHU De Rouen, Rouen, France
| | - Thomas Clavier
- Université de Normandie, UNIROUEN, Inserm U1096, FHU REMOD-VHF, Rouen, France
- Service D’anesthésie-Réanimation Chirurgicale, CHU De Rouen, Rouen, France
| | - Hafid Ait-Oufella
- Centre de Recherche Cardiovasculaire de Paris (PARCC), Université de Paris, Inserm U970, Paris, France
- Service de Médecine Intensive-Réanimation, Assistance Publique – Hôpitaux de Paris, Sorbonne Université, Paris, France
- Hôpital Saint-Antoine, Sorbonne Université, Paris, France
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12
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Sathe NA, Mostaghim A, Barnes E, O'Connor NG, Sahi SK, Sakr SS, Zahlan JM, Smith CH, Fitzpatrick M, Morrell ED, Liles WC, Bhatraju PK. Biomarker Signatures of Severe Acute Kidney Injury in a Critically Ill Cohort of COVID-19 and Non-COVID-19 Acute Respiratory Illness. Crit Care Explor 2023; 5:e0945. [PMID: 37457915 PMCID: PMC10348733 DOI: 10.1097/cce.0000000000000945] [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] [Indexed: 07/18/2023] Open
Abstract
Kidney and lung injury are closely inter-related during acute respiratory illness, but the molecular risk factors that these organ injuries share are not well defined. OBJECTIVES We identified plasma biomarkers associated with severe acute kidney injury (AKI) during acute respiratory illness, and compared them to biomarkers associated with severe acute respiratory failure (ARF). DESIGN SETTINGS AND PARTICIPANTS Prospective observational cohort study enrolling March 2020 through May 2021, at three hospitals in a large academic health system. We analyzed 301 patients admitted to an ICU with acute respiratory illness. MAIN OUTCOMES AND MEASURES Outcomes were ascertained between ICU admission and day 14, and included: 1) severe AKI, defined as doubling of serum creatinine or new dialysis and 2) severe ARF, which included new or persistent need for high-flow oxygen or mechanical ventilation. We measured biomarkers of immune response and endothelial function, pathways related to adverse kidney and lung outcomes, in plasma collected within 24 hours of ICU admission. Severe AKI occurred in 48 (16%), severe ARF occurred in 147 (49%), and 40 (13%) patients experienced both. Two-fold higher concentrations of soluble tumor necrosis factor receptor-1 (sTNFR-1) (adjusted relative risk [aRR], 1.56; 95% CI, 1.24-1.96) and soluble triggering receptor on myeloid cells-1 (sTREM-1) (aRR, 1.85; 95% CI, 1.42-2.41), biomarkers of innate immune activation, were associated with higher risk for severe AKI after adjustment for age, sex, COVID-19, and Acute Physiology and Chronic Health Evaluation-III. These biomarkers were not significantly associated with severe ARF. Soluble programmed cell death receptor-1 (sPDL-1), a checkpoint pathway molecule, as well as soluble intercellular adhesion molecule-1 (sICAM-1) and soluble vascular adhesion molecule-1 (sVCAM-1), molecules involved with endothelial-vascular leukocyte adhesion, were associated with both severe AKI and ARF. CONCLUSIONS AND RELEVANCE sTNFR-1 and sTREM-1 were linked strongly to severe AKI during respiratory illness, while sPDL-1, sICAM-1 and sVCAM-1 were associated with both severe AKI and ARF. These biomarker signatures may shed light on pathophysiology of lung-kidney interactions, and inform precision medicine strategies for identifying patients at high risk for these organ injuries.
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Affiliation(s)
- Neha A Sathe
- Division of Pulmonary, Critical Care, and Sleep Medicine, University of Washington, Seattle, WA
| | - Ana Mostaghim
- Department of Critical Care Medicine, National Institutes of Health Clinical Center, Bethesda, MD
| | - Elizabeth Barnes
- Division of Pulmonary, Critical Care, and Sleep Medicine, University of Washington, Seattle, WA
| | - Nicholas G O'Connor
- Division of Pulmonary, Critical Care, and Sleep Medicine, University of Washington, Seattle, WA
| | - Sharon K Sahi
- Division of Pulmonary, Critical Care, and Sleep Medicine, University of Washington, Seattle, WA
| | - Sana S Sakr
- Division of Pulmonary, Critical Care, and Sleep Medicine, University of Washington, Seattle, WA
| | - Jana M Zahlan
- Division of Pulmonary, Critical Care, and Sleep Medicine, University of Washington, Seattle, WA
| | - Craig H Smith
- Sepsis Center Of Research Excellence-UW (SCORE-UW), University of Washington, Seattle, WA
| | - Michael Fitzpatrick
- Sepsis Center Of Research Excellence-UW (SCORE-UW), University of Washington, Seattle, WA
| | - Eric D Morrell
- Division of Pulmonary, Critical Care, and Sleep Medicine, University of Washington, Seattle, WA
| | - W Conrad Liles
- Sepsis Center Of Research Excellence-UW (SCORE-UW), University of Washington, Seattle, WA
- Division of Allergy and Infectious Diseases, University of Washington, Seattle, WA
| | - Pavan K Bhatraju
- Division of Pulmonary, Critical Care, and Sleep Medicine, University of Washington, Seattle, WA
- Sepsis Center Of Research Excellence-UW (SCORE-UW), University of Washington, Seattle, WA
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13
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Zhao S, Liao J, Shen M, Li X, Wu M. Epigenetic dysregulation of autophagy in sepsis-induced acute kidney injury: the underlying mechanisms for renoprotection. Front Immunol 2023; 14:1180866. [PMID: 37215112 PMCID: PMC10196246 DOI: 10.3389/fimmu.2023.1180866] [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: 03/06/2023] [Accepted: 04/19/2023] [Indexed: 05/24/2023] Open
Abstract
Sepsis-induced acute kidney injury (SI-AKI), a common critically ill, represents one of the leading causes of global death. Emerging evidence reveals autophagy as a pivotal modulator of SI-AKI. Autophagy affects the cellular processes of renal lesions, including cell death, inflammation, and immune responses. Herein, we conducted a systematic and comprehensive review on the topic of the proposed roles of autophagy in SI-AKI. Forty-one relevant studies were finally included and further summarized and analyzed. This review revealed that a majority of included studies (24/41, 58.5%) showed an elevation of the autophagy level during SI-AKI, while 22% and 19.5% of the included studies reported an inhibition and an elevation at the early stage but a declination of renal autophagy in SI-AKI, respectively. Multiple intracellular signaling molecules and pathways targeting autophagy (e.g. mTOR, non-coding RNA, Sirtuins family, mitophagy, AMPK, ROS, NF-Kb, and Parkin) involved in the process of SI-AKI, exerting multiple biological effects on the kidney. Multiple treatment modalities (e.g. small molecule inhibitors, temsirolimus, rapamycin, polydatin, ascorbate, recombinant human erythropoietin, stem cells, Procyanidin B2, and dexmedetomidine) have been found to improve renal function, which may be attributed to the elevation of the autophagy level in SI-AKI. Though the exact roles of autophagy in SI-AKI have not been well elucidated, it may be implicated in preventing SI-AKI through various molecular pathways. Targeting the autophagy-associated proteins and pathways may hint towards a new prospective in the treatment of critically ill patients with SI-AKI, but more preclinical studies are still warranted to validate this hypothesis.
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Affiliation(s)
- Shankun Zhao
- Department of Urology, Taizhou Central Hospital (Taizhou University Hospital), Taizho, Zhejiang, China
| | - Jian Liao
- Department of Nephrology, Jiaxing Hospital of Traditional Chinese Medicine, Jiaxing, Zhejiang, China
| | - Maolei Shen
- Department of Urology, Taizhou Central Hospital (Taizhou University Hospital), Taizho, Zhejiang, China
| | - Xin Li
- Department of Urology, Taizhou Central Hospital (Taizhou University Hospital), Taizho, Zhejiang, China
| | - Mei Wu
- Educational Administration Department, Chongqing University Cancer Hospital, Chongqing, China
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Errafii K, Boujraf S, Chikri M. Transcriptomic Analysis from Normal Glucose Tolerance to T2D of Obese Individuals Using Bioinformatic Tools. Int J Mol Sci 2023; 24:ijms24076337. [PMID: 37047308 PMCID: PMC10093815 DOI: 10.3390/ijms24076337] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2023] [Revised: 02/23/2023] [Accepted: 03/07/2023] [Indexed: 03/30/2023] Open
Abstract
Understanding the role of white adipose tissue (WAT) in the occurrence and progression of metabolic syndrome is of considerable interest; among the metabolic syndromes are obesity and type 2 diabetes (T2D). Insulin resistance is a key factor in the development of T2D. When the target cells become resistant to insulin, the pancreas responds by producing more insulin to try to lower blood glucose. Over time, this can lead to a state of hyperinsulinemia (high levels of insulin in the blood), which can further exacerbate insulin resistance and contribute to the development of T2D. In order to understand the difference between healthy and unhealthy obese individuals, we have used published transcriptomic profiling to compare differences between the WAT obtained from obese diabetics and subjects who are obese with normal glucose tolerance and insulin resistance. The identification of aberrantly expressed messenger RNA (mRNA) and the resulting molecular interactions and signaling networks is essential for a better understanding of the progression from normal glucose-tolerant obese individuals to obese diabetics. Computational analyses using Ingenuity Pathway Analysis (IPA) identified multiple activated signaling networks in obesity progression from insulin-resistant and normal glucose-tolerant (IR-NGT) individuals to those with T2D. The pathways affected are: Tumor Necrosis Factor (TNF), Extracellular signal-Regulated protein Kinase 1/2 ERK1/2, Interleukin 1 A (IL1A), Protein kinase C (Pkcs), Convertase C5, Vascular endothelial growth factor (Vegf), REL-associated protein (RELA), Interleukin1/1 B (IL1/1B), Triggering receptor expressed on myeloid cells (TREM1) and Nuclear factor KB1 (NFKB1) networks, while functional annotation highlighted Liver X Receptor (LXR) activation, phagosome formation, tumor microenvironment pathway, LPS/IL-1 mediated inhibition of RXR function, TREM1 signaling and IL-6 signaling. Together, by conducting a thorough bioinformatics study of protein-coding RNAs, prospective targets could be exploited to clarify the molecular pathways underlying the development of obesity-related type 2 diabetes.
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Affiliation(s)
- Khaoula Errafii
- Clinical Neurosciences Laboratory, Faculty of Medicine and Pharmacy, Sidi Mohammad Ben Abdullah University, Fez 30000, Morocco
- Biochemistry and Molecular Biology Laboratory, Faculty of Medicine and Pharmacy, Sidi Mohammad Ben Abdullah University, Fez 30000, Morocco
- African Genome Center, Mohamed IV Polytechnic University, Benguerir 43151, Morocco
| | - Said Boujraf
- Clinical Neurosciences Laboratory, Faculty of Medicine and Pharmacy, Sidi Mohammad Ben Abdullah University, Fez 30000, Morocco
- Biochemistry and Molecular Biology Laboratory, Faculty of Medicine and Pharmacy, Sidi Mohammad Ben Abdullah University, Fez 30000, Morocco
| | - Mohamed Chikri
- Clinical Neurosciences Laboratory, Faculty of Medicine and Pharmacy, Sidi Mohammad Ben Abdullah University, Fez 30000, Morocco
- Biochemistry and Molecular Biology Laboratory, Faculty of Medicine and Pharmacy, Sidi Mohammad Ben Abdullah University, Fez 30000, Morocco
- Inserm Unite CNRS, Lille University UMR 1283-8199, F-59000 Lille, France
- Correspondence:
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15
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Zhong WJ, Zhang J, Duan JX, Zhang CY, Ma SC, Li YS, Yang NSY, Yang HH, Xiong JB, Guan CX, Jiang ZX, You ZJ, Zhou Y. TREM-1 triggers necroptosis of macrophages through mTOR-dependent mitochondrial fission during acute lung injury. J Transl Med 2023; 21:179. [PMID: 36879273 PMCID: PMC9990355 DOI: 10.1186/s12967-023-04027-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2022] [Accepted: 02/28/2023] [Indexed: 03/08/2023] Open
Abstract
BACKGROUND Necroptosis of macrophages is a necessary element in reinforcing intrapulmonary inflammation during acute lung injury (ALI). However, the molecular mechanism that sparks macrophage necroptosis is still unclear. Triggering receptor expressed on myeloid cells-1 (TREM-1) is a pattern recognition receptor expressed broadly on monocytes/macrophages. The influence of TREM-1 on the destiny of macrophages in ALI requires further investigation. METHODS TREM-1 decoy receptor LR12 was used to evaluate whether the TREM-1 activation induced necroptosis of macrophages in lipopolysaccharide (LPS)-induced ALI in mice. Then we used an agonist anti-TREM-1 Ab (Mab1187) to activate TREM-1 in vitro. Macrophages were treated with GSK872 (a RIPK3 inhibitor), Mdivi-1 (a DRP1 inhibitor), or Rapamycin (an mTOR inhibitor) to investigate whether TREM-1 could induce necroptosis in macrophages, and the mechanism of this process. RESULTS We first observed that the blockade of TREM-1 attenuated alveolar macrophage (AlvMs) necroptosis in mice with LPS-induced ALI. In vitro, TREM-1 activation induced necroptosis of macrophages. mTOR has been previously linked to macrophage polarization and migration. We discovered that mTOR had a previously unrecognized function in modulating TREM-1-mediated mitochondrial fission, mitophagy, and necroptosis. Moreover, TREM-1 activation promoted DRP1Ser616 phosphorylation through mTOR signaling, which in turn caused surplus mitochondrial fission-mediated necroptosis of macrophages, consequently exacerbating ALI. CONCLUSION In this study, we reported that TREM-1 acted as a necroptotic stimulus of AlvMs, fueling inflammation and aggravating ALI. We also provided compelling evidence suggesting that mTOR-dependent mitochondrial fission is the underpinning of TREM-1-triggered necroptosis and inflammation. Therefore, regulation of necroptosis by targeting TREM-1 may provide a new therapeutic target for ALI in the future.
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Affiliation(s)
- Wen-Jing Zhong
- Department of Physiology, School of Basic Medical Science, Central South University, Changsha, 410078, Hunan, China
| | - Jun Zhang
- Department of Physiology, Hunan University of Medicine, Huaihua, China
| | - Jia-Xi Duan
- Department of Physiology, School of Basic Medical Science, Central South University, Changsha, 410078, Hunan, China
| | - Chen-Yu Zhang
- Department of Physiology, School of Basic Medical Science, Central South University, Changsha, 410078, Hunan, China
| | - Sheng-Chao Ma
- NHC Key Laboratory of Metabolic Cardiovascular Diseases Research, Ningxia Medical University, Yinchuan, 750004, China.,The School of Basic Medical Sciences, Ningxia Medical University, Yinchuan, 750004, China
| | - Yu-Sheng Li
- Department of Orthopedics, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, China
| | - Nan-Shi-Yu Yang
- Department of Physiology, School of Basic Medical Science, Central South University, Changsha, 410078, Hunan, China
| | - Hui-Hui Yang
- Department of Physiology, School of Basic Medical Science, Central South University, Changsha, 410078, Hunan, China
| | - Jian-Bing Xiong
- Department of Physiology, School of Basic Medical Science, Central South University, Changsha, 410078, Hunan, China
| | - Cha-Xiang Guan
- Department of Physiology, School of Basic Medical Science, Central South University, Changsha, 410078, Hunan, China
| | - Zhi-Xing Jiang
- Department of Physiology, Hunan University of Medicine, Huaihua, China
| | - Zhi-Jian You
- Department of Anesthesiology, Liuzhou People's Hospital, Liuzhou, China. .,Liuzhou Key Laboratory of Anesthesia and Brain Health, Liuzhou People's Hospital, Liuzhou, China.
| | - Yong Zhou
- Department of Physiology, School of Basic Medical Science, Central South University, Changsha, 410078, Hunan, China.
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Malaria-derived exosomes exacerbate liver injury during blood stage of Plasmodium berghei infection. Acta Trop 2023; 239:106815. [PMID: 36608749 DOI: 10.1016/j.actatropica.2023.106815] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2022] [Revised: 12/21/2022] [Accepted: 01/01/2023] [Indexed: 01/05/2023]
Abstract
Liver injury is a common clinical feature of Plasmodium spp. infection and contributes to multi-organ failure of severe malaria. Malaria-derived exosomes (MD-Exos) have recently engaged as key mediators in parasite-host interactions, modulating the subsequent pathogenic process. However, the role of MD-Exos in malaria-related liver injury and the underlying mechanisms remain unclear. Herein, exosomes from C57BL/6 mice infected with or without P. berghei ANKA serum (namely inf-Exos or un-Exos) were isolated and characterized by transmission electron microscopy, western blotting, and nanoparticle tracking analysis. The miRNAs profiling between inf-Exos and un-Exos were generated using RNA-seq and qPCR. The functions of inf-Exos on liver injury were investigated after two types of exosomes injected into mice intravenously (i.v.), by examining histopathological and apoptotic changes, macrophage polarization, and pro-inflammatory response. The infected red blood cells-stimulated mouse Raw264.7 macrophage cells targeted by inf-Exos or un-Exos were cultured for further study and verification the potential mechanisms. We found that both inf-Exos and un-Exos displayed a typical cup-shaped structure with a diameter of 60-200 nm, and had a positive expression of exosomal markers (e.g., CD9, CD63, and CD81). Compared with infected control mice, the treatment of inf-Exos but not un-Exos dramatically enhanced peripheral blood parasitemia and ECM incidence, exacerbated liver histopathological damage, elevated numbers of liver apoptotic cells, CD68+and CD86+ macrophages. The CD68+-TREM-1+ macrophages in liver tissues and the mRNA levels of pro-inflammatory cytokines (e.g., iNOS, TNF-α, IL-1β, and IL-6) were increased by inf-Exos treatment in vivo. Meanwhile, the treatment of inf-Exos resulted in a substantial increase of the mRNA levels of CD86, iNOS, TNF-α, IL-1β, and IL-6, but led to a remarkable decrease of Bcl-6 and SOCS-1 in Raw264.7 cells stimulated with iRBC in vitro. Notably, compared to un-Exos, five types of miRNAs (including miR-10a-5p, miR-10b-5p, miR-155-5p, miR-205-5p, and miR-21a-5p), that were previously reported to target Bcl-6 or SOCS-1, present higher abundance on inf-Exos, as demonstrated by RNA-seq and qPCR. Collectively, our data suggest that inf-Exos exacerbate malaria-induced liver pathology via triggering excessive pro-inflammatory response and promoting macrophage M1 polarization. Our findings will provide new insights into the roles of inf-Exos in malaria parasite-host interaction and pathogenesis of liver injury.
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Gong Z, Liu W, Song R, Dong W, Zhang K, Li J, Zou H, Zhu J, Ma Y, Liu G, Liu Z. Nuclear factor-kappaB mediates the survival of rat kidney cells after cadmium exposure via promoting autophagy and inhibiting apoptosis. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2023; 249:114465. [PMID: 38321684 DOI: 10.1016/j.ecoenv.2022.114465] [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: 10/07/2022] [Revised: 12/17/2022] [Accepted: 12/21/2022] [Indexed: 02/08/2024]
Abstract
Cadmium (Cd) is a heavy metal pollutant in the environment, and the kidney is one of the target organs after Cd exposure. Previous studies have shown that apoptosis and autophagy disorders are the main mechanisms of Cd-induced nephrotoxicity in rats. As a transcription factor that balances cell survival and death, nuclear factor-kappaB (NF-κB) protein plays dual regulatory effects on apoptosis and autophagy in multiple renal diseases. However, the regulatory mechanisms of NF-κB in Cd-induced kidney injury remain unclear. Therefore, the normal rat kidney cell line (NRK-52E cells) was applied to investigate the above questions in this study. Here, we found that Cd promotes the nuclear translocation and activation of NF-κB in a concentration-dependent manner, and activated NF-κB mediates NRK-52E cells survival after Cd exposure. Next, our study elaborated the mechanisms of NF-κB in antagonizing Cd-induced renal cytotoxicity. Inhibition of NF-κB by inhibitor BAY 11-7082 (BAY) and NF-κB p65 siRNA (siNF-κB p65) exacerbate Cd-induced apoptosis and autophagy inhibition, and then aggravate Cd-induced NRK-52E cells injury. Activation of NF-κB by activator phorbol-12-myristate-13-acetate (PMA) alleviates Cd-induced apoptosis and autophagy inhibition, and then attenuates Cd-induced NRK-52E cells injury. In conclusion, Cd exposure promotes the activation of NF-κB, and activated NF-κB mediates the survival of NRK-52E cells after Cd exposure via promoting autophagy and inhibiting apoptosis.
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Affiliation(s)
- Zhonggui Gong
- College of Veterinary Medicine, Yangzhou University, Yangzhou, Jiangsu 225009, PR China; Joint International Research Laboratory of Agriculture and Agri-Product Safety of the Ministry of Education of China, Yangzhou University, PR China; Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou, Jiangsu 225009, PR China; Joint International Research Laboratory of Important Animal Infectious Diseases and Zoonoses of Jiangsu Higher Education Institutions; Yangzhou, Jiangsu PR China
| | - Wenjing Liu
- College of Veterinary Medicine, Yangzhou University, Yangzhou, Jiangsu 225009, PR China; Joint International Research Laboratory of Agriculture and Agri-Product Safety of the Ministry of Education of China, Yangzhou University, PR China; Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou, Jiangsu 225009, PR China; Joint International Research Laboratory of Important Animal Infectious Diseases and Zoonoses of Jiangsu Higher Education Institutions; Yangzhou, Jiangsu PR China
| | - Ruilong Song
- College of Veterinary Medicine, Yangzhou University, Yangzhou, Jiangsu 225009, PR China; Joint International Research Laboratory of Agriculture and Agri-Product Safety of the Ministry of Education of China, Yangzhou University, PR China; Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou, Jiangsu 225009, PR China; Joint International Research Laboratory of Important Animal Infectious Diseases and Zoonoses of Jiangsu Higher Education Institutions; Yangzhou, Jiangsu PR China
| | - Wenxuan Dong
- College of Veterinary Medicine, Yangzhou University, Yangzhou, Jiangsu 225009, PR China; Joint International Research Laboratory of Agriculture and Agri-Product Safety of the Ministry of Education of China, Yangzhou University, PR China; Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou, Jiangsu 225009, PR China; Joint International Research Laboratory of Important Animal Infectious Diseases and Zoonoses of Jiangsu Higher Education Institutions; Yangzhou, Jiangsu PR China
| | - Kanglei Zhang
- College of Veterinary Medicine, Yangzhou University, Yangzhou, Jiangsu 225009, PR China; Joint International Research Laboratory of Agriculture and Agri-Product Safety of the Ministry of Education of China, Yangzhou University, PR China; Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou, Jiangsu 225009, PR China; Joint International Research Laboratory of Important Animal Infectious Diseases and Zoonoses of Jiangsu Higher Education Institutions; Yangzhou, Jiangsu PR China
| | - Jiahui Li
- College of Veterinary Medicine, Yangzhou University, Yangzhou, Jiangsu 225009, PR China; Joint International Research Laboratory of Agriculture and Agri-Product Safety of the Ministry of Education of China, Yangzhou University, PR China; Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou, Jiangsu 225009, PR China; Joint International Research Laboratory of Important Animal Infectious Diseases and Zoonoses of Jiangsu Higher Education Institutions; Yangzhou, Jiangsu PR China
| | - Hui Zou
- College of Veterinary Medicine, Yangzhou University, Yangzhou, Jiangsu 225009, PR China; Joint International Research Laboratory of Agriculture and Agri-Product Safety of the Ministry of Education of China, Yangzhou University, PR China; Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou, Jiangsu 225009, PR China; Joint International Research Laboratory of Important Animal Infectious Diseases and Zoonoses of Jiangsu Higher Education Institutions; Yangzhou, Jiangsu PR China
| | - Jiaqiao Zhu
- College of Veterinary Medicine, Yangzhou University, Yangzhou, Jiangsu 225009, PR China; Joint International Research Laboratory of Agriculture and Agri-Product Safety of the Ministry of Education of China, Yangzhou University, PR China; Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou, Jiangsu 225009, PR China; Joint International Research Laboratory of Important Animal Infectious Diseases and Zoonoses of Jiangsu Higher Education Institutions; Yangzhou, Jiangsu PR China
| | - Yonggang Ma
- College of Veterinary Medicine, Yangzhou University, Yangzhou, Jiangsu 225009, PR China; Joint International Research Laboratory of Agriculture and Agri-Product Safety of the Ministry of Education of China, Yangzhou University, PR China; Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou, Jiangsu 225009, PR China; Joint International Research Laboratory of Important Animal Infectious Diseases and Zoonoses of Jiangsu Higher Education Institutions; Yangzhou, Jiangsu PR China
| | - Gang Liu
- College of Veterinary Medicine, Yangzhou University, Yangzhou, Jiangsu 225009, PR China; Department of Pathology & Laboratory Medicine, Tulane University School of Medicine, New Orleans, LA 70112, USA
| | - Zongping Liu
- College of Veterinary Medicine, Yangzhou University, Yangzhou, Jiangsu 225009, PR China; Joint International Research Laboratory of Agriculture and Agri-Product Safety of the Ministry of Education of China, Yangzhou University, PR China; Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou, Jiangsu 225009, PR China; Joint International Research Laboratory of Important Animal Infectious Diseases and Zoonoses of Jiangsu Higher Education Institutions; Yangzhou, Jiangsu PR China.
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Gao M, Yang N, Lei Y, Zhang W, Liu H, Lin H. Tannic acid antagonizes atrazine exposure-induced autophagy and DNA damage crosstalk in grass carp hepatocytes via NO/iNOS/NF-κB signaling pathway to maintain stable immune function. FISH & SHELLFISH IMMUNOLOGY 2022; 131:1075-1084. [PMID: 36396070 DOI: 10.1016/j.fsi.2022.11.024] [Citation(s) in RCA: 34] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/14/2022] [Revised: 11/10/2022] [Accepted: 11/12/2022] [Indexed: 06/16/2023]
Abstract
Atrazine (ATR) is a herbicide widely used in grass crops. The pollution of the soil and water environment is extremely harmful to aquatic animals and their offspring. iNOS/NO upregulation, DNA damage and cellular autophagy affect the immune function of fish liver cells. The effects of ATR at exposure doses on grass carp hepatocytes in terms of autophagy and DNA damage effects in genotoxicity, as well as the antagonistic effects of TAN on the above phenotypes and the internal mechanisms are not known. Therefore, we constructed control (Con group), ATR exposure (ATR group), TAN exposure (TAN group) and mixed group (ATR + TAN group) models on grass carp hepatocytes. Validation was performed by comet assay, MDC staining, qRT-PCR and protein blotting assay as well as iNOS/NO indicator levels and expression of immune factors as these experimental methods. Our data indicate that iNOS/NO assay kit measured that ATR treatment resulted in a significant increase in iNOS/NO activity and levels in grass carp hepatocytes (p < 0.05). We also found that NO/iNOS/NF-κB pathway genes were significantly activated (p < 0.05) at the exposure dose of ATR (3 μg mL-1). In addition, the proportion of cells that died due to DNA damage, autophagy, and immunotoxic effects was significantly increased at the exposure dose of ATR. Comet assay protein blotting detected increased DNA damage in cells at the ATR exposure dose (p < 0.05). MDC staining and qRT-PCR and protein blotting to detect the proportion of autophagic cells and autophagy-related genes also appeared upregulated at the exposed dose of ATR (p < 0.05). In brief, this study showed that ATR exposure caused cellular DNA damage and autophagy via the NO/iNOS/NF-κB axis, which led to immunotoxic effects and eventual death of grass carp hepatocytes. The present study facilitates the demonstration of the molecular mechanism of TAN alleviation of ATR cytotoxicity from the perspective of NO-mediated iNOS/NF-κB axis. It provides insights into the protection of farmed fish from agricultural contaminants and opens up new horizons in the use of natural plant-derived monomers for the clinical treatment of antagonistic triazine pesticide poisoning.
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Affiliation(s)
- Meichen Gao
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, PR China
| | - Naixi Yang
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, PR China
| | - Yutian Lei
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, PR China
| | - Wenyue Zhang
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, PR China
| | - Huanyi Liu
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, PR China
| | - Hongjin Lin
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, PR China; Key Laboratory of the Provincial Education Department of Heilongjiang for Common Animal Disease Prevention and Treatment, College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, PR China.
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Siskind S, Zhang F, Brenner M, Wang P. Extracellular CIRP induces acute kidney injury via endothelial TREM-1. Front Physiol 2022; 13:954815. [PMID: 36246143 PMCID: PMC9558214 DOI: 10.3389/fphys.2022.954815] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2022] [Accepted: 09/12/2022] [Indexed: 11/20/2022] Open
Abstract
Introduction: Acute kidney injury is associated with elevated serum levels of extracellular cold-inducible RNA-binding protein (eCIRP), a damage-associated molecular pattern released during ischemia/reperfusion injury, hemorrhagic shock, and sepsis. It is unknown if circulating eCIRP and eCIRP-induced activation of receptor triggering receptor expressed on myeloid cells-1 (TREM-1), expressed on endothelial cells, play an important role in the pathogenesis of AKI. Methods: Male B6 wild-type (WT) and TREM-1−/− mice were subjected to intravenous injection of recombinant murine (rm) CIRP. Serum, urine, and renal tissue were collected 6 h later for analysis. Additionally, primary human renal glomerular endothelial cells (HRGEC) were stimulated in vitro with rmCIRP after pretreatment with M3, a novel inhibitory peptide of TREM-1, or vehicle. Supernatants and cells were collected 20 h after stimulation. Results: After injection with rmCIRP, WT mice had a significant increase in serum levels of BUN, creatinine, and NGAL compared to control. Additionally, NGAL was significantly increased in the urine of rmCIRP-injected mice, suggesting that circulating eCIRP can directly induce AKI. The levels of TREM-1 mRNA in the kidneys, as well as soluble (s) TREM-1 released into the serum and urine, were significantly increased in rmCIRP-injected mice. TREM-1−/− mice injected with rmCIRP had attenuated AKI, indicated by significantly decreased serum BUN, creatinine, and NGAL, and renal mRNA expression of NGAL and KIM-1 compared to WT mice. TREM-1−/− mice also had attenuated endothelial activation, with decreased mRNA and protein expression of ICAM-1 in renal tissue. HRGEC stimulated with rmCIRP in vitro had significant increases in cytokine production and sTREM-1 release, which was attenuated in cells treated with M3. Conclusion: Activation of renal TREM-1 with circulating eCIRP is sufficient to cause AKI. Elevated levels of eCIRP may be critical for the development of AKI under conditions such as ischemia/reperfusion injury, hemorrhagic shock, and sepsis. Mice deficient in the TREM-1 receptor have attenuated AKI and reduced endothelial cell activation after injection of rmCIRP. TREM-1 inhibition with M3 attenuates HRGEC activation after eCIRP stimulation. Targeting eCIRP activation of TREM-1 may provide a novel and effective treatment for AKI.
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Affiliation(s)
- Sara Siskind
- Department of Surgery, Zucker School of Medicine at Hofstra/Northwell, Manhasset, NY, United States
- Center for Immunology and Inflammation, The Feinstein Institutes for Medical Research, Manhasset, NY, United States
- Elmezzi Graduate School of Medicine, Manhasset, NY, United States
| | - Fangming Zhang
- Department of Surgery, Zucker School of Medicine at Hofstra/Northwell, Manhasset, NY, United States
- Center for Immunology and Inflammation, The Feinstein Institutes for Medical Research, Manhasset, NY, United States
| | - Max Brenner
- Department of Surgery, Zucker School of Medicine at Hofstra/Northwell, Manhasset, NY, United States
- Center for Immunology and Inflammation, The Feinstein Institutes for Medical Research, Manhasset, NY, United States
- Elmezzi Graduate School of Medicine, Manhasset, NY, United States
- *Correspondence: Ping Wang, ; Max Brenner,
| | - Ping Wang
- Department of Surgery, Zucker School of Medicine at Hofstra/Northwell, Manhasset, NY, United States
- Center for Immunology and Inflammation, The Feinstein Institutes for Medical Research, Manhasset, NY, United States
- Elmezzi Graduate School of Medicine, Manhasset, NY, United States
- *Correspondence: Ping Wang, ; Max Brenner,
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Muller M, Haghnejad V, Lopez A, Tiotiu A, Renaud S, Derive M, Bronowicki JP. Triggering Receptors Expressed on Myeloid Cells 1 : Our New Partner in Human Oncology? Front Oncol 2022; 12:927440. [PMID: 35875168 PMCID: PMC9304869 DOI: 10.3389/fonc.2022.927440] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2022] [Accepted: 06/01/2022] [Indexed: 11/14/2022] Open
Abstract
Inflammation is recognized as one of the hallmarks of cancer. Indeed, strong evidence indicates that chronic inflammation plays a major role in oncogenesis, promoting genome instability, epigenetic alterations, proliferation and dissemination of cancer cells. Mononuclear phagocytes (MPs) have been identified as key contributors of the inflammatory infiltrate in several solid human neoplasia, promoting angiogenesis and cancer progression. One of the most described amplifiers of MPs pro-inflammatory innate immune response is the triggering receptors expressed on myeloid cells 1 (TREM-1). Growing evidence suggests TREM-1 involvement in oncogenesis through cancer related inflammation and the surrounding tumor microenvironment. In human oncology, high levels of TREM-1 and/or its soluble form have been associated with poorer survival data in several solid malignancies, especially in hepatocellular carcinoma and lung cancer. TREM-1 should be considered as a potential biomarker in human oncology and could be used as a new therapeutic target of interest in human oncology (TREM-1 inhibitors, TREM-1 agonists). More clinical studies are urgently needed to confirm TREM-1 (and TREM family) roles in the prognosis and the treatment of human solid cancers.
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Affiliation(s)
- Marie Muller
- Department of Gastroenterology, Nancy University Hospital, University of Lorraine, Nancy, France
| | - Vincent Haghnejad
- Department of Gastroenterology, Nancy University Hospital, University of Lorraine, Nancy, France
| | - Anthony Lopez
- Department of Gastroenterology, Nancy University Hospital, University of Lorraine, Nancy, France
| | - Angelica Tiotiu
- Department of Pulmonology, Nancy University Hospital, University of Lorraine, Nancy, France
| | - Stéphane Renaud
- Department of Thoracic Surgery, Nancy University Hospital, University of Lorraine, Nancy, France
| | - Marc Derive
- INOTREM, University of Lorraine, Nancy, France
| | - Jean-Pierre Bronowicki
- Department of Gastroenterology, Nancy University Hospital, University of Lorraine, Nancy, France
- Inserm U1256 « Nutrition – Genetics and exposure to environmental risks - NGERE », Nancy, France
- *Correspondence: Jean-Pierre Bronowicki,
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Pan P, Chen J, Liu X, Fan J, Zhang D, Zhao W, Xie L, Su L. FUNDC1 Regulates Autophagy by Inhibiting ROS-NLRP3 Signaling to Avoid Apoptosis in the Lung in a Lipopolysaccharide-Induced Mouse Model. Shock 2021; 56:773-781. [PMID: 34238903 DOI: 10.1097/shk.0000000000001835] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
ABSTRACT The incidence and mortality of acute respiratory distress syndrome (ARDS) are high, but the relevant mechanism for this disorder remains unclear. Autophagy plays an important role in the development of ARDS. The mitochondrial outer membrane protein FUNDC1 is involved in hypoxia-mediated mitochondrial autophagy, which may contribute to ARDS development. This study explored whether FUNDC1 regulates autophagy by inhibiting ROS-NLRP3 signaling to avoid apoptosis in the lung in a lipopolysaccharide-induced mouse model. In this study, FUNDC1 knockout mice were constructed, and a lipopolysaccharide-induced mouse model was generated. HE staining of pathological sections from the lung, wet/dry lung measurements, myeloperoxidase concentration/neutrophil counts in BALF and survival time of mice were examined to determine the effect of modeling. The release of cytokines (TNF-α, IL-1β, IL-6, and IL-10) in response to LPS in the BALF and plasma was assessed using ELISA. The effects of oxidative stress (malondialdehyde, superoxide dismutase, catalase, glutathione peroxidase) in lung tissue in response to LPS were detected by biochemical analysis. Oxidative stress damage was validated by iNOS staining, and apoptosis was assessed by TUNEL staining after LPS. Finally, the expression of autophagy-associated proteins and inflammasome-associated proteins in lung tissue after LPS intervention was analyzed by western blot. We found that wild-type control, FUNDC1 knockout control, lipopolysaccharide-induced wild-type, and FUNDC1 knockout mouse models were used to investigate whether FUNDC1-mediated autophagy is involved in lung injury and its possible molecular mechanisms. Compared with the normal control group, lung tissue FUNDC1 and LC3 II increased and p62/SQSTM1 decreased after LPS intervention, and increased ROS levels led to a decrease in corresponding antioxidant enzymes along with an increased inflammatory response and apoptosis. Levels of autophagy in lipopolysaccharide-induced mice deficient in FUNDC1 were significantly decreased, but the expression of ROS and inflammatory factors in lung tissue was more severe than in lipopolysaccharide-induced wild-type mice, and the survival rate was significantly decreased. Western blot analysis showed that autophagy was significantly inhibited in the FUNDC1 KO+LPS group, and there was a significant increase in NLRP3, caspase-1, IL-1β, and ASC compared with the lipopolysaccharide-induced wild-type group. In summary, lipopolysaccharide-induced wild-type mice exhibit ROS-dependent activation of autophagy, and knocking out FUNDC1 promotes inflammasome activation and exacerbates lung injury.
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Affiliation(s)
- Pan Pan
- College of Pulmonary and Critical Care Medicine, Chinese PLA General Hospital, Beijing, China
| | - Jie Chen
- Department of Respiratory Medicine, Xiangya Hospital, Central South University, Changsha, Hunan Province, China
| | - Xudong Liu
- Medical Science Research Center, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, China
| | - Junping Fan
- Department of Respiratory and Critical Care Medicine, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, China
| | - Dong Zhang
- Medical Science Research Center, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, China
| | - Weiguo Zhao
- College of Pulmonary and Critical Care Medicine, Chinese PLA General Hospital, Beijing, China
| | - Lixin Xie
- College of Pulmonary and Critical Care Medicine, Chinese PLA General Hospital, Beijing, China
| | - Longxiang Su
- Department of Critical Care Medicine, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China
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22
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VEGF-C and podoplanin, as biomarkers of sepsis. An experimental study. REV ROMANA MED LAB 2021. [DOI: 10.2478/rrlm-2021-0030] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
Abstract
Background: Sepsis is the leading cause of morbidity and mortality in intensive care units. This study explored the possible role of vascular endothelial growth factor-C (VEGF-C) and podoplanin (PDPN) in sepsis.
Methods: 22 Wistar rats were divided into three groups: two experimental (Group A and B, n=8/8) and a control (Group C, n=6). Sepsis was induced with intraperitoneal injection of ESBL (extended-spectrum beta-lactamases)-producing E-coli live bacteria for group A and with lipopolysaccharide for group B. Sterile saline solution was injected for group C. Blood samples were collected after 24 hours to determine the serum level of VEGF-C, and PDPN expression was examined in liver, kidney, and lung tissues. Bacteremia was assessed for group A.
Results: Higher serum levels of VEGF-C were found in Group A vs C (p=0.05) and group B vs. C (p=0.004), respectively.VEGF-C was also increased in animals with negative- vs. positive blood cultures from group A (p=0.04) and from group B vs. those with positive blood cultures from group A (p=0.03). High intensity of PDPN tissue expression was observed in the pulmonary alveolocytes from Group A and epithelium of the proximal renal tubules in groups B and C, compared to group A.
Conclusions: Circulating VEGF-C can be succesfuly used as a biomarker of sepsis with negative blood cultures and high risk of renal failure, whereas PDPN seems to exert a protective role against lung injuries in live bacteria-induced sepsis.
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