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Dong F, Sun YL, Qian YX, Chen Q, He JL, Wang JT, Han T, Zhang XM, Deng YT. Integrated analysis of transcriptome and metabolome reveals the regulatory mechanism of largemouth bass (Micropterus salmoides) in response to Nocardia seriolae infection. FISH & SHELLFISH IMMUNOLOGY 2024; 145:109322. [PMID: 38128679 DOI: 10.1016/j.fsi.2023.109322] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/08/2023] [Revised: 12/17/2023] [Accepted: 12/19/2023] [Indexed: 12/23/2023]
Abstract
Nocardia seriolae is a severe bacterial pathogen that has seriously affected the development of aquaculture industry. Largemouth bass (Micropterus salmoides) is a commercially significant freshwater fish that suffers a variety of environmental threats, including bacterial pathogens. However, the immune responses and metabolic alterations of largemouth bass to N. seriolae infection remain largely unclear. We discovered that N. seriolae caused pathological alterations in largemouth bass and shifted the transcript of immune-related and apoptotic genes in head kidney after infection. To answer the aforementioned question, a combined transcriptome and metabolome analysis was employed to explore the alterations in genes, metabolites, and metabolic pathways in largemouth bass following bacterial infection. A total of 3579 genes and 1929 metabolites are significant differentially changed in the head kidney post infection. In response to N. seriolae infection, host modifies the PI3K-Akt signaling pathway, TCA cycle, glycolysis, and amino acid metabolism. The integrated analysis of transcriptome and metabolome suggested that with the arginine metabolism pathway as the core, multiple biomarkers (arg gene, arginine) are involved in the antibacterial and immune functions of largemouth bass. Thus, we hypothesized that arginine plays a crucial role in the immune responses of largemouth bass against N. seriolae infection, and increasing arginine levels suitably is beneficial for the host against bacterial infection. Our results shed light on the regulatory mechanism of largemouth bass resistance to N. seriolae infection and contributed to the development of more effective N. seriolae resistance strategies.
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Affiliation(s)
- Fen Dong
- School of Fisheries, Zhejiang Ocean University, Zhoushan, 316022, China
| | - Yu-Long Sun
- School of Fisheries, Zhejiang Ocean University, Zhoushan, 316022, China
| | - Yuan-Xin Qian
- School of Fisheries, Zhejiang Ocean University, Zhoushan, 316022, China
| | - Qiang Chen
- School of Fisheries, Zhejiang Ocean University, Zhoushan, 316022, China
| | - Jia-Le He
- School of Fisheries, Zhejiang Ocean University, Zhoushan, 316022, China
| | - Ji-Teng Wang
- School of Fisheries, Zhejiang Ocean University, Zhoushan, 316022, China
| | - Tao Han
- School of Fisheries, Zhejiang Ocean University, Zhoushan, 316022, China.
| | - Xiu-Mei Zhang
- School of Fisheries, Zhejiang Ocean University, Zhoushan, 316022, China
| | - Yu-Ting Deng
- Key Laboratory of Fishery Drug Development of Ministry of Agriculture and Rural Affairs, Guangdong Provincial Key Laboratory of Aquatic Animal Immunology and Sustainable Aquaculture, Pearl River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou, 510380, China
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2
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Zong HX, Liu YQ, Wang XL, Miao JY, Luo LP, Wang JX, Chu YR, Tong WQ, Zhao X, Xu SQ. RIOK3 potentially regulates osteogenesis-related pathways in ankylosing spondylitis and the differentiation of bone marrow mesenchymal stem cells. Genomics 2023; 115:110730. [PMID: 37866658 DOI: 10.1016/j.ygeno.2023.110730] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2023] [Revised: 09/27/2023] [Accepted: 10/19/2023] [Indexed: 10/24/2023]
Abstract
RNA-binding proteins (RBPs), which are key effectors of gene expression, play critical roles in inflammation and immune regulation. However, the potential biological function of RBPs in ankylosing spondylitis (AS) remains unclear. We identified differentially expressed genes (DEGs) in peripheral blood mononuclear cells (PBMCs) of five patients with AS and three healthy persons by RNA-seq, obtained differentially expressed RBPs by overlapping DEGs and RBPs summary table. RIOK3 was selected as a target RBP and knocked down in mouse bone marrow mesenchymal stem cells (mBMSCs), and transcriptomic studies of siRIOK3 mBMSCs were performed again using RNA-seq. Results showed that RIOK3 knockdown inhibited the expression of genes related to osteogenic differentiation, ribosome function, and β-interferon pathways in mBMSCs. In vitro experiments have shown that RIOK3 knockdown reduced the osteogenic differentiation ability of mBMSCs. Collectively, RIOK3 may affect the differentiation of mBMSCs and participate in the pathogenesis of AS, especially pathological bone formation.
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Affiliation(s)
- He-Xiang Zong
- Department of Rheumatology and Immunology, the First Affiliated Hospital of Anhui Medical University, Hefei, China
| | - Ya-Qian Liu
- Department of Rheumatology and Immunology, the First Affiliated Hospital of Anhui Medical University, Hefei, China
| | - Xi-le Wang
- Department of Rheumatology and Immunology, the First Affiliated Hospital of Anhui Medical University, Hefei, China
| | - Jie-Yu Miao
- Department of Rheumatology and Immunology, the First Affiliated Hospital of Anhui Medical University, Hefei, China
| | - Li-Ping Luo
- Department of Rheumatology and Immunology, the First Affiliated Hospital of Anhui Medical University, Hefei, China
| | - Jian-Xiong Wang
- Department of Rheumatology and Immunology, the First Affiliated Hospital of Anhui Medical University, Hefei, China
| | - Yi-Ran Chu
- Department of Rheumatology and Immunology, the First Affiliated Hospital of Anhui Medical University, Hefei, China
| | - Wan-Qiu Tong
- Department of Rheumatology and Immunology, the First Affiliated Hospital of Anhui Medical University, Hefei, China
| | - Xu Zhao
- Department of Rheumatology and Immunology, the First Affiliated Hospital of Anhui Medical University, Hefei, China
| | - Sheng-Qian Xu
- Department of Rheumatology and Immunology, the First Affiliated Hospital of Anhui Medical University, Hefei, China.
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Sun J, Jin X, Zhang X, Zhang B. HMGA2 knockdown alleviates the progression of nonalcoholic fatty liver disease (NAFLD) by downregulating SNAI2 expression. Cell Signal 2023:110741. [PMID: 37268162 DOI: 10.1016/j.cellsig.2023.110741] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Revised: 05/23/2023] [Accepted: 05/28/2023] [Indexed: 06/04/2023]
Abstract
Non-alcoholic fatty liver disease (NAFLD) is a complex disease that is considered as the next major health epidemic with alarmingly increasing global prevalence. To explore the pathogenesis of NAFLD, data from GSE118892 were analyzed. High mobility group AT-hook 2 (HMGA2), a member of the high mobility group family, is declined in liver tissues of NAFLD rats. However, its role in NAFLD remains unknown. This study attempted to identify the multiple roles of HMGA2 in NAFLD process. NAFLD was induced in rats using a high-fat diet (HFD). In vivo, HMGA2 knockdown using adenovirus system attenuated liver injury and liver lipid deposition, accompanied by decreased NAFLD score, increased liver function, and decreased CD36 and FAS, indicating the deceleration of NAFLD progression. Moreover, HMGA2 knockdown restrained liver inflammation by decreasing the expression of related inflammatory factors. Importantly, HMGA2 knockdown attenuated liver fibrosis via downregulating the expression of fibrous proteins, and inhibiting the activation of TGF-β1/SMAD signaling pathway. In vitro, HMGA2 knockdown relieved palmitic acid (PA)-induced hepatocyte injury and attenuated TGF-β1-induced liver fibrosis, consistent with in vivo findings. Strikingly, HMGA2 activated the transcription of SNAI2, which was evidenced by the dual luciferase assays. Moreover, HMGA2 knockdown largely downregulated SNAI2 levels. Indeed, SNAI2 overexpression effectively blocked the inhibitory effect of HMGA2 knockdown on NAFLD. Totally, our findings reveal that HMGA2 knockdown alleviates the progression of NAFLD by directly regulating the transcription of SNAI2. HMGA2 inhibition may emerge as a potential therapeutic target for NAFLD.
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Affiliation(s)
- Jing Sun
- Department of Gastroenterology, the First Hospital of China Medical University, Shenyang, Liaoning Province, People's Republic of China.
| | - Xiuli Jin
- Department of Gastroenterology, the First Hospital of China Medical University, Shenyang, Liaoning Province, People's Republic of China
| | - Xinhe Zhang
- Department of Gastroenterology, the First Hospital of China Medical University, Shenyang, Liaoning Province, People's Republic of China
| | - Birong Zhang
- Systems Immunity Research Institute, Cardiff University School of Medicine, Cardiff University, Cardiff, UK
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Chen L, Kang X, Meng X, Huang L, Du Y, Zeng Y, Liao C. MALAT1-mediated EZH2 Recruitment to the GFER Promoter Region Curbs Normal Hepatocyte Proliferation in Acute Liver Injury. J Clin Transl Hepatol 2023; 11:97-109. [PMID: 36406327 PMCID: PMC9647095 DOI: 10.14218/jcth.2021.00391] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/06/2021] [Revised: 11/12/2021] [Accepted: 03/04/2022] [Indexed: 12/04/2022] Open
Abstract
BACKGROUND AND AIMS The goal of this study was to investigate the mechanism by which the long noncoding RNA MALAT1 inhibited hepatocyte proliferation in acute liver injury (ALI). METHODS Lipopolysaccharide (LPS) was used to induce an ALI cellular model in HL7702 cells, in which lentivirus vectors containing MALAT1/EZH2/GFER overexpression or knockdown were introduced. A series of experiments were performed to determine their roles in liver injury, oxidative stress injury, and cell biological processes. The interaction of MALAT1 with EZH2 and enrichment of EZH2 and H3K27me3 in the GFER promoter region were identified. Rats were treated with MALAT1 knockdown or GFER overexpression before LPS induction to verify the results derived from the in vitro assay. RESULTS MALAT1 levels were elevated and GFER levels were reduced in ALI patients and the LPS-induced cell model. MALAT1 knockdown or GFER overexpression suppressed cell apoptosis and oxidative stress injury induced cell proliferation, and reduced ALI. Functionally, MALAT1 interacted directly with EZH2 and increased the enrichment of EZH2 and H3K27me3 in the GFER promoter region to reduce GFER expression. Moreover, MALAT1/EZH2/GFER was activated the AMPK/mTOR signaling pathway. CONCLUSION Our study highlighted the inhibitory role of reduced MALAT1 in ALI through the modulation of EZH2-mediated GFER.
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Affiliation(s)
- Li Chen
- Department of Infectious Diseases, The Third Xiangya Hospital of Central South University, Changsha, Hunan, China
- Correspondence to: Li Chen, Department of Infectious Diseases, The Third Xiangya Hospital of Central South University, No.138, Tongzipo Road, Yuelu District, Changsha, Hunan 410013, China. ORCID: https://orcid.org/0000-0003-2385-2858. Tel: +86-13755192409, E-mail:
| | - Xintong Kang
- Department of Hepatology, Public Health Clinical Center of Chengdu, Chengdu, Sichuan, China
| | - Xiujuan Meng
- Hospital-Acquired Infection Control Center, Xiangya Hospital Central South University, Changsha, Hunan, China
| | - Liang Huang
- Department of Hepatology, Public Health Clinical Center of Chengdu, Chengdu, Sichuan, China
| | - Yiting Du
- Department of Emergency, Chengdu Women’s and Children’s Central Hospital, Chengdu, Sichuan, China
| | - Yilan Zeng
- Department of Hepatology, Public Health Clinical Center of Chengdu, Chengdu, Sichuan, China
| | - Chunfeng Liao
- Department of Cardiovascular Medicine, The First Hospital of Changsha, Changsha, Hunan, China
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MicroRNA Profiles in Intestinal Epithelial Cells in a Mouse Model of Sepsis. Cells 2023; 12:cells12050726. [PMID: 36899862 PMCID: PMC10001189 DOI: 10.3390/cells12050726] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2023] [Revised: 02/22/2023] [Accepted: 02/22/2023] [Indexed: 03/03/2023] Open
Abstract
Sepsis is a systemic inflammatory disorder that leads to the dysfunction of multiple organs. In the intestine, the deregulation of the epithelial barrier contributes to the development of sepsis by triggering continuous exposure to harmful factors. However, sepsis-induced epigenetic changes in gene-regulation networks within intestinal epithelial cells (IECs) remain unexplored. In this study, we analyzed the expression profile of microRNAs (miRNAs) in IECs isolated from a mouse model of sepsis generated via cecal slurry injection. Among 239 miRNAs, 14 miRNAs were upregulated, and 9 miRNAs were downregulated in the IECs by sepsis. Upregulated miRNAs in IECs from septic mice, particularly miR-149-5p, miR-466q, miR-495, and miR-511-3p, were seen to exhibit complex and global effects on gene regulation networks. Interestingly, miR-511-3p has emerged as a diagnostic marker in this sepsis model due to its increase in blood in addition to IECs. As expected, mRNAs in the IECs were remarkably altered by sepsis; specifically, 2248 mRNAs were decreased, while 612 mRNAs were increased. This quantitative bias may be possibly derived, at least partly, from the direct effects of the sepsis-increased miRNAs on the comprehensive expression of mRNAs. Thus, current in silico data indicate that there are dynamic regulatory responses of miRNAs to sepsis in IECs. In addition, the miRNAs that were increased with sepsis had enriched downstream pathways including Wnt signaling, which is associated with wound healing, and FGF/FGFR signaling, which has been linked to chronic inflammation and fibrosis. These modifications in miRNA networks in IECs may lead to both pro- and anti-inflammatory effects in sepsis. The four miRNAs discovered above were shown to putatively target LOX, PTCH1, COL22A1, FOXO1, or HMGA2, via in silico analysis, which were associated with Wnt or inflammatory pathways and selected for further study. The expressions of these target genes were downregulated in sepsis IECs, possibly through posttranscriptional modifications of these miRNAs. Taken together, our study suggests that IECs display a distinctive miRNA profile which is capable of comprehensively and functionally reshaping the IEC-specific mRNA landscape in a sepsis model.
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Hong Y, Lyu J, Zhu L, Wang X, Peng M, Chen X, Deng Q, Gao J, Yuan Z, Wang D, Xu G, Xu M. High-frequency repetitive transcranial magnetic stimulation (rTMS) protects against ischemic stroke by inhibiting M1 microglia polarization through let-7b-5p/HMGA2/NF-κB signaling pathway. BMC Neurosci 2022; 23:49. [PMID: 35927640 PMCID: PMC9351069 DOI: 10.1186/s12868-022-00735-7] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2022] [Accepted: 07/28/2022] [Indexed: 11/22/2022] Open
Abstract
Background Microglia assume opposite phenotypes in response to ischemic brain injury, exerting neurotoxic and neuroprotective effects under different ischemic stages. Modulating M1/M2 polarization is a potential therapy for treating ischemic stroke. Repetitive transcranial magnetic stimulation (rTMS) held the capacity to regulate neuroinflammation and astrocytic polarization, but little is known about rTMS effects on microglia. Therefore, the present study aimed to examine the rTMS influence on microglia polarization and the underlying possible molecular mechanisms in ischemic stroke models. Methods Previously reported 10 Hz rTMS protocol that regulated astrocytic polarization was used to stimulate transient middle cerebral artery occlusion (MCAO) rats and oxygen and glucose deprivation/reoxygenation (OGD/R) injured BV2 cells. Specific expression levels of M1 marker iNOS and M2 marker CD206 were measured by western blotting and immunofluorescence. MicroRNA expression changes detected by high-throughput second-generation sequencing were validated by RT-PCR and fluorescence in situ hybridization (FISH) analysis. Dual-luciferase report assay and miRNA knock-down were applied to verify the possible mechanisms regulated by rTMS. Microglia culture medium (MCM) from different groups were collected to measure the TNF-α and IL-10 concentrations, and detect the influence on neuronal survival. Finally, TTC staining and modified Neurological Severity Score (mNSS) were used to determine the effects of MCM on ischemic stroke volume and neurological functions. Results The 10 Hz rTMS inhibited ischemia/reperfusion induced M1 microglia and significantly increased let-7b-5p level in microglia. HMGA2 was predicted and proved to be the target protein of let-7b-5p. HMGA2 and its downstream NF-κB signaling pathway were inhibited by rTMS. Microglia culture medium (MCM) collected from rTMS treated microglia contained lower TNF-α concentration but higher IL-10 concentration than no rTMS treated MCM, reducing ischemic volumes and neurological deficits of MCAO mice. However, knockdown of let-7b-5p by antagomir reversed rTMS effects on microglia phenotype and associated HMGA/NF-κB activation and neurological recovery. Conclusion High-frequency rTMS could alleviate ischemic stroke injury through inhibiting M1 microglia polarization via regulating let-7b-5p/HMGA2/NF-κB signaling pathway in MCAO models. Supplementary Information The online version contains supplementary material available at 10.1186/s12868-022-00735-7.
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Affiliation(s)
- Ye Hong
- Department of Neurology, Nanjing First Hospital, Nanjing Medical University, 68# Changle Road, Nanjing, 210029, Jiangsu, China
| | - Jinfeng Lyu
- Department of Neurology, Nanjing First Hospital, Nanjing Medical University, 68# Changle Road, Nanjing, 210029, Jiangsu, China
| | - Lin Zhu
- Department of Neurology, Nanjing First Hospital, Nanjing Medical University, 68# Changle Road, Nanjing, 210029, Jiangsu, China
| | - Xixi Wang
- Department of Neurology, Nanjing First Hospital, Nanjing Medical University, 68# Changle Road, Nanjing, 210029, Jiangsu, China
| | - Mengna Peng
- Department of Neurology, Jinling Hospital, Medical School of Nanjing University, Nanjing, 210002, Jiangsu, China
| | - Xiangliang Chen
- Department of Neurology, Nanjing First Hospital, Nanjing Medical University, 68# Changle Road, Nanjing, 210029, Jiangsu, China
| | - Qiwen Deng
- Department of Neurology, Nanjing First Hospital, Nanjing Medical University, 68# Changle Road, Nanjing, 210029, Jiangsu, China
| | - Jie Gao
- Department of Neurology, Nanjing First Hospital, Nanjing Medical University, 68# Changle Road, Nanjing, 210029, Jiangsu, China
| | - Zhenhua Yuan
- Department of Neurology, Nanjing First Hospital, Nanjing Medical University, 68# Changle Road, Nanjing, 210029, Jiangsu, China
| | - Di Wang
- Department of Neurology, Jinling Hospital, Medical School of Nanjing University, Nanjing, 210002, Jiangsu, China
| | - Gelin Xu
- Department of Neurology, Jinling Hospital, Medical School of Nanjing University, Nanjing, 210002, Jiangsu, China
| | - Mengyi Xu
- Department of Neurology, Nanjing First Hospital, Nanjing Medical University, 68# Changle Road, Nanjing, 210029, Jiangsu, China.
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HMGA2 Promotes Brain Injury in Rats with Cerebral Infarction by Activating TLR4/NF-κB Signaling Pathway. Mediators Inflamm 2022; 2022:1376959. [PMID: 35966335 PMCID: PMC9371803 DOI: 10.1155/2022/1376959] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2022] [Accepted: 07/09/2022] [Indexed: 11/18/2022] Open
Abstract
Cerebral infarction is a common disease with a higher disability and fatality rates. The incidence rates of cerebral infarction or cerebral ischemic stroke gradually increase with aging and cerebrovascular disease progression. This study is aimed at evaluating the effects of HMGA2 on cerebral infarction-induced brain tissue damage and its underlying mechanisms. Adult Sprague Dawley rats were pretreated with sh-HMGA2 before cerebral infarction operation. The effect of HMGA2 on the arrangement, distribution, and morphological structure of neurons and the cell apoptosis ratio in brain tissue were detected via hematoxylin and eosin staining, brain-water content, TTC staining, and TUNEL staining. The results from ELISA assay, qPCR, and western blot indicated that downregulation of HMGA2 mitigated inflammatory stress via regulating the expression of TLR4/NF-κB. In addition, results showed that suppressed HMGA2 attenuated the neurological dysfunction of brain injury rats and markedly reduced infarct volume. HMGA2 might be able to alleviate the damage associated with cerebral infarction-induced inflammatory response and cell apoptosis. Moreover, downregulation of HMGA2 had a protective effect on the brain damage derived from cerebral infarction by mediating the TLR4/NF-κB pathway. In conclusion, the current study demonstrated that downregulation of HMGB2 decreased the infarct size, inflammatory responses, and apoptosis in cerebral injury and further had neuroprotective effects against cerebral infarction-induced brain damage. Finally, these results indicated that the downregulation of the TLR4/NF-κB pathway after ischemia by HMGB2 inhibition is a potential mechanism of the neuroprotective effect of cerebral injury.
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Concistrè A, Petramala L, Circosta F, Romagnoli P, Soldini M, Bucci M, De Cesare D, Cavallaro G, De Toma G, Cipollone F, Letizia C. Analysis of the miRNA expression from the adipose tissue surrounding the adrenal neoplasia. Front Cardiovasc Med 2022; 9:930959. [PMID: 35966515 PMCID: PMC9366211 DOI: 10.3389/fcvm.2022.930959] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2022] [Accepted: 07/01/2022] [Indexed: 12/04/2022] Open
Abstract
Background Primary aldosteronism (PA) is characterized by several metabolic changes such as insulin resistance, metabolic syndrome, and adipose tissue (AT) inflammation. Mi(cro)RNAs (miRNAs) are a class of non-coding small RNA molecules known to be critical regulators in several cellular processes associated with AT dysfunction. The aim of this study was to evaluate the expression of some miRNAs in visceral and subcutaneous AT in patients undergoing adrenalectomy for aldosterone-secreting adrenal adenoma (APA) compared to the samples of AT obtained in patients undergoing adrenalectomy for non-functioning adrenal mass (NFA). Methods The quantitative expression of selected miRNA using real-time PCR was analyzed in surrounding adrenal neoplasia, peri-renal, and subcutaneous AT samples of 16 patients with adrenalectomy (11 patients with APA and 5 patients with NFA). Results Real-time PCR cycles for miRNA-132, miRNA-143, and miRNA-221 in fat surrounding adrenal neoplasia and in peri-adrenal AT were significantly higher in APA than in patients with NFA. Unlike patients with NFA, miRNA-132, miRNA-143, miRNA-221, and miRNA-26b were less expressed in surrounding adrenal neoplasia AT compared to subcutaneous AT in patients with APA. Conclusion This study, conducted on tissue expression of miRNAs, highlights the possible pathophysiological role of some miRNAs in determining the metabolic alterations in patients with PA.
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Affiliation(s)
- Antonio Concistrè
- Department of Clinical, Internal Medicine, Anesthesiology and Cardiovascular Sciences, “Sapienza” University of Rome, Rome, Italy
| | - Luigi Petramala
- Department of Translational and Precision Medicine, “Sapienza” University of Rome, Rome, Italy
| | - Francesco Circosta
- Department of Clinical, Internal Medicine, Anesthesiology and Cardiovascular Sciences, “Sapienza” University of Rome, Rome, Italy
| | - Priscilla Romagnoli
- Department of Clinical, Internal Medicine, Anesthesiology and Cardiovascular Sciences, “Sapienza” University of Rome, Rome, Italy
| | - Maurizio Soldini
- Department of Clinical, Internal Medicine, Anesthesiology and Cardiovascular Sciences, “Sapienza” University of Rome, Rome, Italy
| | - Marco Bucci
- Department of Medicine and Aging Sciences, University “Gabriele d'Annunzio” of Chieti-Pescara, Chieti, Italy
| | - Domenico De Cesare
- Department of Medicine and Aging Sciences, University “Gabriele d'Annunzio” of Chieti-Pescara, Chieti, Italy
| | - Giuseppe Cavallaro
- Department of Surgery “Pietro Valdoni, ” “Sapienza” University of Rome, Rome, Italy
| | - Giorgio De Toma
- Department of Surgery “Pietro Valdoni, ” “Sapienza” University of Rome, Rome, Italy
| | - Francesco Cipollone
- Department of Medicine and Aging Sciences, University “Gabriele d'Annunzio” of Chieti-Pescara, Chieti, Italy
| | - Claudio Letizia
- Department of Clinical, Internal Medicine, Anesthesiology and Cardiovascular Sciences, “Sapienza” University of Rome, Rome, Italy
- *Correspondence: Claudio Letizia
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Lewis SA, Doratt BM, Sureshchandra S, Jankeel A, Newman N, Shen W, Grant KA, Messaoudi I. Ethanol Consumption Induces Nonspecific Inflammation and Functional Defects in Alveolar Macrophages. Am J Respir Cell Mol Biol 2022; 67:112-124. [PMID: 35380939 PMCID: PMC9273227 DOI: 10.1165/rcmb.2021-0346oc] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2021] [Accepted: 04/05/2022] [Indexed: 11/24/2022] Open
Abstract
Chronic alcohol drinking is associated with increased susceptibility to viral and bacterial respiratory pathogens. In this study, we use a rhesus macaque model of voluntary ethanol self-administration to study the effects of long-term alcohol drinking on the immunological landscape of the lung. We report a heightened inflammatory state in alveolar macrophages (AMs) obtained from ethanol (EtOH)-drinking animals that is accompanied by increased chromatin accessibility in intergenic regions that regulate inflammatory genes and contain binding motifs for transcription factors AP-1, IRF8, and NFKB p-65. In line with these transcriptional and epigenetic changes at the basal state, AMs from EtOH-drinking animals generate elevated inflammatory mediator responses to lipopolysaccharides and respiratory syncytial virus. However, the transcriptional analysis revealed an inefficient induction of interferon-stimulated genes with EtOH in response to the respiratory syncytial virus, suggesting disruption of antimicrobial defenses. Correspondingly, AMs from EtOH-drinking animals exhibited transcriptional shifts indicative of increased oxidative stress and oxidative phosphorylation, which was coupled with higher cytosolic reactive oxygen species and mitochondrial potential. This heightened oxidative stress state was accompanied by decreased ability to phagocytose bacteria. Bulk RNA and assay for transposase-accessible chromatin sequencing data further revealed reduced expression and chromatin accessibility of loci associated with tissue repair and maintenance with chronic EtOH drinking. Similarly, analysis of single-cell RNA sequencing data revealed shifts in cell states from tissue maintenance to inflammatory responses with EtOH. Collectively, these data provide novel insight into mechanisms by which chronic EtOH drinking increases susceptibility to infection in patients with alcohol use disorders.
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Affiliation(s)
- Sloan A. Lewis
- Department of Molecular Biology and Biochemistry
- Institute for Immunology, and
| | - Brianna M. Doratt
- Department of Molecular Biology and Biochemistry
- Department of Microbiology, Immunology, and Molecular Genetics, College of Medicine, University of Kentucky, Lexington, Kentucky; and
| | - Suhas Sureshchandra
- Department of Molecular Biology and Biochemistry
- Institute for Immunology, and
| | | | - Natali Newman
- Oregon National Primate Research Center, Oregon Health and Science University, Beaverton, Oregon
| | - Weining Shen
- Department of Statistics, University of California, Irvine, Irvine, California
| | - Kathleen A. Grant
- Oregon National Primate Research Center, Oregon Health and Science University, Beaverton, Oregon
| | - Ilhem Messaoudi
- Department of Molecular Biology and Biochemistry
- Institute for Immunology, and
- Department of Microbiology, Immunology, and Molecular Genetics, College of Medicine, University of Kentucky, Lexington, Kentucky; and
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10
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The role of the PI3K/AKT signalling pathway in the corneal epithelium: recent updates. Cell Death Dis 2022; 13:513. [PMID: 35641491 PMCID: PMC9156734 DOI: 10.1038/s41419-022-04963-x] [Citation(s) in RCA: 52] [Impact Index Per Article: 26.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2022] [Revised: 05/14/2022] [Accepted: 05/17/2022] [Indexed: 12/14/2022]
Abstract
Phosphatidylinositol 3 kinase (PI3K)/AKT (also called protein kinase B, PKB) signalling regulates various cellular processes, such as apoptosis, cell proliferation, the cell cycle, protein synthesis, glucose metabolism, and telomere activity. Corneal epithelial cells (CECs) are the outermost cells of the cornea; they maintain good optical performance and act as a physical and immune barrier. Various growth factors, including epidermal growth factor receptor (EGFR) ligands, insulin-like growth factor 1 (IGF1), neurokinin 1 (NK-1), and insulin activate the PI3K/AKT signalling pathway by binding their receptors and promote antiapoptotic, anti-inflammatory, proliferative, and migratory functions and wound healing in the corneal epithelium (CE). Reactive oxygen species (ROS) regulate apoptosis and inflammation in CECs in a concentration-dependent manner. Extreme environments induce excess ROS accumulation, inhibit PI3K/AKT, and cause apoptosis and inflammation in CECs. However, at low or moderate levels, ROS activate PI3K/AKT signalling, inhibiting apoptosis and stimulating proliferation of healthy CECs. Diabetes-associated hyperglycaemia directly inhibit PI3K/AKT signalling by increasing ROS and endoplasmic reticulum (ER) stress levels or suppressing the expression of growth factors receptors and cause diabetic keratopathy (DK) in CECs. Similarly, hyperosmolarity and ROS accumulation suppress PI3K/AKT signalling in dry eye disease (DED). However, significant overactivation of the PI3K/AKT signalling pathway, which mediates inflammation in CECs, is observed in both infectious and noninfectious keratitis. Overall, upon activation by growth factors and NK-1, PI3K/AKT signalling promotes the proliferation, migration, and anti-apoptosis of CECs, and these processes can be regulated by ROS in a concentration-dependent manner. Moreover, PI3K/AKT signalling pathway is inhibited in CECs from individuals with DK and DED, but is overactivated by keratitis.
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OUP accepted manuscript. Carcinogenesis 2022; 43:671-681. [DOI: 10.1093/carcin/bgac030] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2021] [Revised: 03/15/2022] [Accepted: 03/28/2022] [Indexed: 11/14/2022] Open
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12
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Wang Z, Huang Y, Chu F, Ji S, Liao K, Cui Z, Chen J, Tang S. Clock Gene Nr1d1 Alleviates Retinal Inflammation Through Repression of Hmga2 in Microglia. J Inflamm Res 2021; 14:5901-5918. [PMID: 34795498 PMCID: PMC8594447 DOI: 10.2147/jir.s326091] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2021] [Accepted: 10/30/2021] [Indexed: 12/13/2022] Open
Abstract
Purpose Retinal inflammation is involved in the pathogenesis of several retinal diseases. As one of the core clock genes, Nr1d1 has been reported to suppress inflammation in many diseases. We investigated whether pharmacological activation of Nr1d1 can inhibit retinal inflammation and delineated the mechanisms of Nr1d1 in alleviating microglia activation. Methods Lipopolysaccharide (LPS) induced mice models were used to examine the effects of SR9009 (agonist of NR1D1) treatment on inflammatory phenotypes in vivo. Anti-inflammatory effects of Nr1d1 and associated mechanisms were investigated in the BV2 microglia cell line, and in primary retinal microglia in vitro. Results SR9009 treatment alleviated LPS-induced inflammatory cell infiltration, elevated cytokine levels and morphological changes of the microglia in mice models. In LPS-stimulated BV2 cells and primary retinal microglia, SR9009 suppressed cytokine expressions by inhibiting the NF-κB signaling pathway. Moreover, SR9009 treatment increased the levels of the M2 phenotype marker (CD206) and the proportions of ramified microglia. Suppression of Nr1d1 with siRNA reversed the inhibitory effects of SR9009 on cytokine production in BV2 cells. RNA-seq analysis showed that genes that were upregulated following Nr1d1 knockdown were enriched in inflammatory-associated biological processes. Subsequently, ChIP-seq of NR1D1 in BV2 was performed, and the results were integrated with RNA-seq results using the Binding and Expression Target Analysis (BETA) tool. Luciferase assays, electrophoretic mobility shift assay (EMSA), qPCR and Western blotting assays revealed that NR1D1 binds the promoter of Hmga2 to suppress its transcription. Notably, overexpressed Hmga2 in activated microglia could partly abolish the anti-inflammatory effects of Nr1d1. Conclusion The clock gene Nr1d1 protects against retinal inflammation and microglia activation in part by suppressing Hmga2 transcription.
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Affiliation(s)
- Zhijie Wang
- Aier School of Ophthalmology, Central South University, Changsha, People's Republic of China.,Aier Eye Institute, Aier Eye Hospital Group, Changsha, People's Republic of China
| | - Yinhua Huang
- Aier School of Ophthalmology, Central South University, Changsha, People's Republic of China.,Aier Eye Institute, Aier Eye Hospital Group, Changsha, People's Republic of China
| | - Feixue Chu
- Department of Ophthalmology, Hangzhou Xihu Zhijiang Eye Hospital, Hangzhou, People's Republic of China
| | - Shangli Ji
- Aier Eye Institute, Aier Eye Hospital Group, Changsha, People's Republic of China
| | - Kai Liao
- Aier School of Ophthalmology, Central South University, Changsha, People's Republic of China.,Aier Eye Institute, Aier Eye Hospital Group, Changsha, People's Republic of China
| | - Zekai Cui
- Aier Eye Institute, Aier Eye Hospital Group, Changsha, People's Republic of China
| | - Jiansu Chen
- Aier School of Ophthalmology, Central South University, Changsha, People's Republic of China.,Aier Eye Institute, Aier Eye Hospital Group, Changsha, People's Republic of China.,Key Laboratory for Regenerative Medicine, Jinan University, Guangzhou, People's Republic of China.,Institute of Ophthalmology, Jinan University, Guangzhou, People's Republic of China
| | - Shibo Tang
- Aier School of Ophthalmology, Central South University, Changsha, People's Republic of China.,Aier Eye Institute, Aier Eye Hospital Group, Changsha, People's Republic of China.,CAS Center for Excellence in Brain Science and Intelligence Technology, Chinese Academy of Sciences, Shanghai, People's Republic of China
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Induction of microRNA hsa-let-7d-5p, and repression of HMGA2, contribute protection against lipid accumulation in macrophage 'foam' cells. Biochim Biophys Acta Mol Cell Biol Lipids 2021; 1866:159005. [PMID: 34274506 DOI: 10.1016/j.bbalip.2021.159005] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2020] [Revised: 07/08/2021] [Accepted: 07/13/2021] [Indexed: 12/14/2022]
Abstract
Accumulation of excess cholesterol and cholesteryl ester in macrophage 'foam' cells within the arterial intima characterises early 'fatty streak' atherosclerotic lesions, and is accompanied by epigenetic changes, including altered expression of microRNA sequences which determine of gene and protein expression. This study established that exposure to lipoproteins, including acetylated LDL, induced macrophage expression of microRNA hsa-let-7d-5p, a sequence previously linked with tumour suppression, and repressed expression of one of its target genes, high mobility group AT hook 2 (HMGA2). A let-7d-5p mimic repressed expression of HMGA2 (18%; p < 0.05) while a marked increase (2.9-fold; p < 0.05) in expression of HMGA2 was noted in the presence of let-7d-5p inhibitor. Under these conditions, let-7d-5p mimic significantly (p < 0.05) decreased total (10%), free (8%) and cholesteryl ester (21%) mass, while the inhibitor significantly (p < 0.05) increased total (29%) and free cholesterol (29%) mass, compared with the relevant controls. Let-7d-5p inhibition significantly (p < 0.05) increased endogenous biosynthesis of cholesterol (38%) and cholesteryl ester (39%) pools in macrophage 'foam' cells, without altering the cholesterol efflux pathway, or esterification of exogenous radiolabelled oleate. Let-7d-5p inhibition in sterol-loaded cells increased the level of HMGA2 protein (32%; p < 0.05), while SiRNA knockdown of this protein (29%; p < 0.05) resulted in a (21%, p < 0.05) reduction in free cholesterol mass. Thus, induction of let-7d-5p, and repression of its target HMGA2, in macrophages is a protective response to the challenge of increased cholesterol influx into these cells; dysregulation of this response may contribute to atherosclerosis and other disorders such as cancer.
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Jin J, Zhou F, Zhu J, Zeng W, Liu Y. MiR-26a inhibits the inflammatory response of microglia by targeting HMGA2 in intracerebral hemorrhage. J Int Med Res 2021; 48:300060520929615. [PMID: 32588686 PMCID: PMC7325462 DOI: 10.1177/0300060520929615] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Objective Intracerebral hemorrhage (ICH) is a common cerebrovascular disease with high mortality and poor prognosis. Therefore, the biological function and underlying molecular mechanism of miR-26a in inflammatory injury following ICH was investigated. Methods The potential role of miR-26a was investigated in lipopolysaccharide (LPS)-treated microglial cells by quantitative real-time PCR. To explore the potential role of HMGA2 in the miR-26a-regulated inflammatory response, LPS-induced microglial cells were cotransfected with an miR-26a mimic and pcDNA-HMGA2. Then, lentivirus-mediated overexpression of an miR-26a mimic in mouse microglial cells was performed, and the effects of miR-26a treatment on IL-6, IL-1β, and TNF-α expression in the mouse brain, neurological behavior, and rotarod test performance of mice after ICH were observed. Results MiR-26a was significantly downregulated in LPS-treated microglia and ICH mouse models. MiR-26a markedly reduced IL-6, IL-1β, and TNF-α expression in LPS-treated microglial cells. Furthermore, HMGA2 was verified as a direct target of miR-26a. In vivo, miR-26a overexpression in mouse microglial cells significantly suppressed proinflammatory cytokine expression in mouse brains and markedly improved the neurological behavior and rotarod test performance of mice after ICH. Conclusion MiR-26a remarkably inhibited proinflammatory cytokine release by targeting HMGA2, indicating that miR-26a could protect against secondary brain injury following ICH.
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Affiliation(s)
- Jun Jin
- Adult Intensive Care Unit, The University of Hong Kong-Shenzhen Hospital, Shenzhen, Guangdong, P R China
| | - Feng Zhou
- Emergency Department, The University of Hong Kong-Shenzhen Hospital, Shenzhen, Guangdong, P R China
| | - Jie Zhu
- Adult Intensive Care Unit, The University of Hong Kong-Shenzhen Hospital, Shenzhen, Guangdong, P R China
| | - Weixian Zeng
- Intensive Care Unit, Shenzhen Hospital, Southern Medical University, Shenzhen, P R China
| | - Yong Liu
- Intensive Care Unit, Shenzhen Hospital, Southern Medical University, Shenzhen, P R China
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Wang S, Sun K, Hu H, Jin X, Wang Z, Zhang H, Zhao X. MiR-1297 attenuates high glucose-induced injury in HK-2 cells via targeting COL1A2. Nephrology (Carlton) 2021; 26:623-631. [PMID: 33811432 DOI: 10.1111/nep.13881] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2021] [Revised: 03/02/2021] [Accepted: 03/21/2021] [Indexed: 12/11/2022]
Abstract
BACKGROUND In this study, we aimed to explore whether COL1A2 and miR-1297 participated in the progression of diabetic nephropathy (DN) in vitro and classified the underlying mechanisms. METHODS d-Glucose (30 mM; high glucose, HG)-stimulated HK-2 cells were used to mimic DN condition. RNA and non-coding RNA profiles were from Gene Expression Omnibus (GEO) database. The interaction between miR-1297 and COL1A2 was measured by dual-luciferase reporter assay. Gene Set Enrichment Analysis (GSEA) method was conducted to analyse COL1A2-associated signalling pathways. The role of miR-1297/COL1A2 in biological behaviours of HG-induced HK-2 cells were analysed by cell counting kit-8 and apoptosis assays. RESULTS Bioinformatics analysis revealed that COL1A2 was up-regulated in DN tissues. We predicted and verified miR-1297 as the regulatory miRNA of COL1A2, and the expression of miR-1297 was decreased in DN tissues and HG-stimulated HK-2 cells. Overexpression of miR-1297 could promote cell proliferation and inhibit apoptosis to protect HK-2 cells from HG-induced damage. And knockdown of COL1A2 enhanced the protective effects of miR-1297 on HG-stimulated HK-2 cells. GSEA results revealed that several inflammatory pathways were enriched in COL1A2 high-expression group. Meanwhile, transfection of miR-1297 reduced the phosphorylation of NFκB and expression of three important pro-inflammatory genes including cytokine CCL5, adhesion molecules ICAM1 and VCAM1 via targeting COL1A2. These results suggested that miR-1297 protected HG-treated HK-2 cells probably through suppressing inflammation via targeting COL1A2. CONCLUSION This study sheds a light on the role miR-1297/COL1A2 in DN progression and provides a novel promising therapy strategy for suppressing DN progression.
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Affiliation(s)
- Shujuan Wang
- Department of Endocrinology, Zibo Central Hospital, Zibo, China
| | - Kun Sun
- Department of Nephropathy, Zibo Central Hospital, Zibo, China
| | - Honglei Hu
- Department of Endocrinology, Zibo Central Hospital, Zibo, China
| | - Xingqian Jin
- Department of Endocrinology, Zibo Central Hospital, Zibo, China
| | - Zhenzhen Wang
- Department of Endocrinology, Zibo Central Hospital, Zibo, China
| | - Hongmei Zhang
- Department of Endocrinology, Zibo Central Hospital, Zibo, China
| | - Xiaodong Zhao
- Department of Endocrinology, Zibo Central Hospital, Zibo, China
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Li X, Sun M, Long Y. Cyanidin-3-O-Glucoside Attenuates Lipopolysaccharide-Induced Inflammation in Human Corneal Epithelial Cells by Inducing Let-7b-5p-Mediated HMGA2/PI3K/Akt Pathway. Inflammation 2021; 43:1088-1096. [PMID: 32248330 DOI: 10.1007/s10753-020-01194-0] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
The bacterial keratitis causes viability loss and apoptosis in the corneal epithelial cells (CECs). The cyanidin-3-O-glucoside (C3G) benefits visual system and also possess anti-bacterial and anti-inflammatory potentials. In the current study, the effects of C3G on human CECs (HCECs) against bacterial lipopolysaccharide (LPS)-induced disorders were assessed, and the mechanism driving the protective effect was explored by focusing on let-7b-5p-mediated HMGA2/PI3K/Akt pathway. The HCECs were incubated LPS of P. aeruginosa to induce inflammation and apoptosis, and then treated with C3G. The changes in cell viability, apoptosis, and inflammation were detected. Moreover, the effects of LPS and C3G on let-7b-5p level and HMGA2/PI3K/Akt pathway activity were also assessed. Thereafter, the HCECs were further transfected with let-7b-5p inhibitor to confirm its role in the vision-protective effects of C3G. The interaction between let-7b-5p and HMGA2 was verified with dual luciferase assay. The LPS treatment suppressed viability and induced apoptosis and inflammation in HCECs, which was associated with the down-regulated let-7b-5p level and up-regulated HMGA2/PI3K/Akt pathway activity. The impairments of LPS on HCECs were attenuated by C3G: the compound increased cell viability and inhibited apoptosis and inflammation. The C3G also induced let-7b-5p level and inactivated HMGA2/PI3K/Akt pathway. However, after the inhibition of let-7b-5p, the protective effects of C3G on HCECs against LPS were blocked. The results of dual luciferase assay showed the direct binding let-7b-5p to the promoter of HMGA2 gene. It was inferred that the C3G could ameliorate the LPS-induced disorders in HCECs. The effect depended on the induced level of let-7b-5p, which then inhibited HMGA2/PI3K/Akt pathway.
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Affiliation(s)
- Xiuyi Li
- Department of Ophthalmology, The First Affiliated Hospital, College of Medicine, Zhejiang University, #79 Qingchun Road, Hangzhou, People's Republic of China
| | - Miaomiao Sun
- Department of Medical Biotechnology, Faculty of Biology, University Duisburg-Essen, Duisburg, Germany
| | - Yan Long
- Department of Ophthalmology, The First Affiliated Hospital, College of Medicine, Zhejiang University, #79 Qingchun Road, Hangzhou, People's Republic of China.
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Liu X, Zhang H, Xue Q, Pan W, Zhang A. In silico health effect prioritization of environmental chemicals through transcriptomics data exploration from a chemo-centric view. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 762:143082. [PMID: 33143927 DOI: 10.1016/j.scitotenv.2020.143082] [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: 08/09/2020] [Revised: 10/11/2020] [Accepted: 10/11/2020] [Indexed: 06/11/2023]
Abstract
With the explosive growth of synthetic compounds, the health effects caused by exogenous chemical exposure have attracted more and more public attention. The prediction of health effect is a never-ending story. Collective resource of transcriptomics data offers an opportunity to understand and identify the multiple health effects of small molecule. Inspired by the fact that environmental chemicals of high health risk frequently share both similar gene expression profile and common structural feature of certain drugs, we here propose a novel computational effect prioritization method for environmental chemicals through transcriptomics data exploration from a chemo-centric view. Specifically, non-negative matrix factorization (NMF) method has been adopted to get the association network linking structural features with transcriptomics characteristics of drugs with specific effects. The model yields 13 pivotal types of effects, so-called components, that represent drug categories with common chemo- and geno- type features. Moreover, the established model effectively prioritizes potential toxic effects for the external chemicals from the endocrine disruptor screening program (EDSP) for their potential estrogenicity and other verified risks. Even if only the highest priority is set for the estrogenic effect, the precision and recall can reach 0.76 and 0.77 respectively for these chemicals. Our effort provides a successful endeavor as to profile potential toxic effects simultaneously for environmental chemicals using both chemical and omics data.
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Affiliation(s)
- Xian Liu
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, PR China; College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 100190, PR China.
| | - Huazhou Zhang
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, PR China; College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 100190, PR China.
| | - Qiao Xue
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, PR China.
| | - Wenxiao Pan
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, PR China.
| | - Aiqian Zhang
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, PR China; College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 100190, PR China; Institute of Environment and Health, Jianghan University, Wuhan 430056, PR China.
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Su A, Guo Y, Tian H, Zhou Y, Li W, Tian Y, Li K, Sun G, Jiang R, Yan F, Kang X. Analysis of miRNA and mRNA reveals core interaction networks and pathways of dexamethasone-induced immunosuppression in chicken bursa of Fabricius. Mol Immunol 2021; 134:34-47. [PMID: 33711668 DOI: 10.1016/j.molimm.2021.02.022] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2020] [Revised: 02/18/2021] [Accepted: 02/23/2021] [Indexed: 12/12/2022]
Abstract
Stress-induced immunosuppression is a serious problem affecting the production value of poultry, but its specific molecular mechanism has not yet been elucidated. We selected 7-day-old Gushi cocks as test animals and successfully established a stress-induced immunosuppression model by injecting 2.0 mg/kg (body weight) dexamethasone (Dex). We then constructed six cDNA libraries and two small RNA libraries of Bursa of Fabricius from the control group and the Dex group. RNA-seq results revealed 21,028 transcripts including 3920 novel transcripts; 500 miRNAs including 68 novel miRNAs were identified. Correlation analysis of miRNA, target genes and mRNA results indicated that the gga-miR-15 family, gga-miR-103-3p, gga-miR-456-3p, and gga-miR-27b-3p, as core differentially expressed miRNAs, may potentially regulate multiple genes which are involved in immune-related pathways; and that the core genes Suppressor of IKBKE 1 (SIKE1) and high mobility group AT-hook 2 (HMGA2) are associated with the miR-17 family (gga-miR-20a-5p, gga-miR-20b-5p, gga-miR-106-5p, and gga-miR-17-5p) and gga-let -7 family (gga-let-7b, gga-let-7i, gga-let-7c-5p, and gga-let-7f-5p). The interaction networks of mRNAs of significantly enrichment pathways and PPI (protein-protein interaction) networks showed that IL6, IL1B, IL8L1, CCL5, SOCS3, SOCS1, ITGB5, GSTA3, SQLE, FDFT1, FN1, IL18, IL10, MAPK11 and MAPK12 are network core nodes and that most of them are strongly associated with immune response. One of the candidate miRNAs, gga-miR-20b-5p, may play an important role in stress-induced immunosuppression. Luciferase assay and over-expression experiments suggested that gga-miR-20b-5p negatively regulated the expression of target gene SIKE1. These results provide better understanding of the mechanism of stress-induced immunosuppression in Gushi chicken bursa, and provide novel targets for subsequent research to improve poultry anti-stress capability.
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Affiliation(s)
- Aru Su
- College of Animal Science and Veterinary Medicine, Henan Agricultural University, Zhengzhou 450046, China.
| | - Yujie Guo
- College of Animal Science and Veterinary Medicine, Henan Agricultural University, Zhengzhou 450046, China.
| | - Huihui Tian
- College of Animal Science and Veterinary Medicine, Henan Agricultural University, Zhengzhou 450046, China.
| | - Yanting Zhou
- College of Animal Science and Veterinary Medicine, Henan Agricultural University, Zhengzhou 450046, China.
| | - Wenting Li
- College of Animal Science and Veterinary Medicine, Henan Agricultural University, Zhengzhou 450046, China; Henan Innovative Engineering Research Center of Poultry Germplasm Resource, Zhengzhou 450046, China.
| | - Yadong Tian
- College of Animal Science and Veterinary Medicine, Henan Agricultural University, Zhengzhou 450046, China; Henan Innovative Engineering Research Center of Poultry Germplasm Resource, Zhengzhou 450046, China.
| | - Kui Li
- College of Animal Science and Veterinary Medicine, Henan Agricultural University, Zhengzhou 450046, China; Henan Innovative Engineering Research Center of Poultry Germplasm Resource, Zhengzhou 450046, China.
| | - Guirong Sun
- College of Animal Science and Veterinary Medicine, Henan Agricultural University, Zhengzhou 450046, China; Henan Innovative Engineering Research Center of Poultry Germplasm Resource, Zhengzhou 450046, China.
| | - Ruirui Jiang
- College of Animal Science and Veterinary Medicine, Henan Agricultural University, Zhengzhou 450046, China; Henan Innovative Engineering Research Center of Poultry Germplasm Resource, Zhengzhou 450046, China.
| | - Fengbin Yan
- College of Animal Science and Veterinary Medicine, Henan Agricultural University, Zhengzhou 450046, China; Henan Innovative Engineering Research Center of Poultry Germplasm Resource, Zhengzhou 450046, China.
| | - Xiangtao Kang
- College of Animal Science and Veterinary Medicine, Henan Agricultural University, Zhengzhou 450046, China; Henan Innovative Engineering Research Center of Poultry Germplasm Resource, Zhengzhou 450046, China.
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Wang L, Shang C, Pan H, Yang H, Zhu H, Gong F. MicroRNA Expression Profiles in the Subcutaneous Adipose Tissues of Morbidly Obese Chinese Women. Obes Facts 2021; 14:1-15. [PMID: 33550286 PMCID: PMC7983571 DOI: 10.1159/000511772] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/03/2020] [Accepted: 09/20/2020] [Indexed: 12/12/2022] Open
Abstract
INTRODUCTION Obesity is a main global health issue and an outstanding cause of morbidity and mortality. Exploring miRNA profiling may help further studies on obesity. METHODS Three morbidly obese and 5 normal-weight Chinese women were enrolled in the microarray testing group. Abdominal subcutaneous adipose tissue (SAT) samples were excised. Total RNAs including miRNAs were extracted. Affymetrix GeneChip miRNA 4.0 Array was used to compare the expression profiles of miRNAs between the 2 groups. Two algorithms, miRanda and TargetScan, were used to predict target messenger RNAs (mRNAs). Bioinformatics analysis was then done based on the Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) databases. The sample sizes were further expanded to 8 morbidly obese and 9 normal-weight subjects, and quantitative real-time PCR (qRT-PCR) was utilized to verify the expression of differential miRNAs and target genes. RESULTS As per the microarray assay, 58 miRNAs were differentially expressed in the SAT from the morbidly obese and normal-weight groups (Fold >4, p < 0.01, FDR <0.05); 54 of these were downregulated and 4 were upregulated in morbidly obese subjects. A total of 1,333 target genes were jointly predicted by miRanda and TargetScan. Further bioinformatics analysis showed that the differential miRNAs were involved in 269 significant biological functions and 89 significant signaling pathways. The validation experiment by qRT-PCR showed that the expression levels of miRNA-143-5p, miRNA-143-3p, miRNA-145-5p, and let-7a-5p were downregulated in morbidly obese subjects, consistent with the microarray detection. High-mobility group A2 (HMGA2), a target gene of the downregulated miRNA let-7a-5p, was first found to be upregulated 3.19-fold in the SAT of morbidly obese Chinese women when compared to normal-weight controls. CONCLUSIONS MiRNA downregulation is a hallmark of intact SAT in a morbidly obese state. Transcription (DNA-dependent), small-molecule metabolic processes, the MAPK signaling pathway, and cancer-related pathways may play important roles in the occurrence and development of obesity. For the first time, we proved that HMGA2, a target gene of let-7a-5p, is upregulated in the SAT of morbidly obese Chinese women.
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Affiliation(s)
- Linjie Wang
- Key Laboratory of Endocrinology of National Health Commission, Department of Endocrinology, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China
| | - Chen Shang
- Key Laboratory of Endocrinology of National Health Commission, Department of Endocrinology, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China
| | - Hui Pan
- Key Laboratory of Endocrinology of National Health Commission, Department of Endocrinology, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China
| | - Hongbo Yang
- Key Laboratory of Endocrinology of National Health Commission, Department of Endocrinology, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China
| | - Huijuan Zhu
- Key Laboratory of Endocrinology of National Health Commission, Department of Endocrinology, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China
| | - Fengying Gong
- Key Laboratory of Endocrinology of National Health Commission, Department of Endocrinology, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China,
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Fatalska A, Rusetska N, Bakuła-Zalewska E, Kowalik A, Zięba S, Wroblewska A, Zalewski K, Goryca K, Domański D, Kowalewska M. Inflammatory Proteins HMGA2 and PRTN3 as Drivers of Vulvar Squamous Cell Carcinoma Progression. Cancers (Basel) 2020; 13:cancers13010027. [PMID: 33374674 PMCID: PMC7793473 DOI: 10.3390/cancers13010027] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2020] [Revised: 12/17/2020] [Accepted: 12/18/2020] [Indexed: 12/24/2022] Open
Abstract
Current knowledge on the biology of squamous cell vulvar carcinoma (VSCC) is limited. We aimed to identify protein markers of VSCC tumors that would permit to stratify patients by progression risk. Early-stage tumors from patients who progressed (progVSCC) and from those who were disease-free (d-fVSCC) during follow-up, along with normal vulvar tissues were examined by mass spectrometry-based proteomics. Differentially expressed proteins (DEPs) were then verified in solid tissues and blood samples of patients with VSCC tumors and vulvar premalignant lesions. In progVSCC vs. d-fVSCC tumors, the immune response was the most over-represented Gene Ontology category for the identified DEPs. Pathway profiling suggested bacterial infections to be linked to aggressive VSCC phenotypes. High Mobility Group AT-Hook 2 (HMGA2) and Proteinase 3 (PRTN3) were revealed as proteins predicting VSCC progression. HMGA2 and PRTN3 abundances are associated with an aggressive phenotype, and hold promise as markers for VSCC patient stratification. It appears that vulvovaginal microflora disturbances trigger an inflammatory response contributing to cancer progression, suggesting that bacterial rather than viral infection status should be considered in the development of targeted therapies in VSCC.
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Affiliation(s)
- Agnieszka Fatalska
- Mass Spectrometry Laboratory, Institute of Biochemistry and Biophysics-Polish Academy of Sciences, 02-106 Warsaw, Poland; (A.F.); (D.D.)
| | - Natalia Rusetska
- Department of Molecular and Translational Oncology, Maria Sklodowska-Curie National Research Institute of Oncology, 02-781 Warsaw, Poland; (N.R.); (K.Z.)
| | - Elwira Bakuła-Zalewska
- Department of Pathology, Maria Sklodowska-Curie National Research Institute of Oncology, 02-781 Warsaw, Poland;
| | - Artur Kowalik
- Department of Molecular Diagnostics, Holycross Cancer Center, 25-734 Kielce, Poland; (A.K.); (S.Z.)
- Division of Medical Biology, Institute of Biology, Jan Kochanowski University, 25-369 Kielce, Poland
| | - Sebastian Zięba
- Department of Molecular Diagnostics, Holycross Cancer Center, 25-734 Kielce, Poland; (A.K.); (S.Z.)
| | | | - Kamil Zalewski
- Department of Molecular and Translational Oncology, Maria Sklodowska-Curie National Research Institute of Oncology, 02-781 Warsaw, Poland; (N.R.); (K.Z.)
- Department of Gynecologic Oncology, Holycross Cancer Center, 25-734 Kielce, Poland
- Chair and Department of Obstetrics, Gynecology and Oncology, 2nd Faculty of Medicine, Warsaw Medical University, 03-242 Warsaw, Poland
| | - Krzysztof Goryca
- Department of Genetics, Maria Sklodowska-Curie National Research Institute of Oncology, 02-781 Warsaw, Poland;
- Genomics Core Facility, Centre of New Technologies, University of Warsaw, 02-097 Warsaw, Poland
| | - Dominik Domański
- Mass Spectrometry Laboratory, Institute of Biochemistry and Biophysics-Polish Academy of Sciences, 02-106 Warsaw, Poland; (A.F.); (D.D.)
| | - Magdalena Kowalewska
- Department of Molecular and Translational Oncology, Maria Sklodowska-Curie National Research Institute of Oncology, 02-781 Warsaw, Poland; (N.R.); (K.Z.)
- Department of Immunology, Biochemistry and Nutrition, Centre for Preclinical Research and Technologies, Medical University of Warsaw, 02-097 Warsaw, Poland
- Correspondence: ; Tel.: +48-22-5462650
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21
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Wang X, Wang J, Wu J. Emerging roles for HMGA2 in colorectal cancer. Transl Oncol 2020; 14:100894. [PMID: 33069103 PMCID: PMC7563012 DOI: 10.1016/j.tranon.2020.100894] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2020] [Revised: 09/08/2020] [Accepted: 09/21/2020] [Indexed: 02/08/2023] Open
Abstract
HMGA2 (High Mobility Group AT-hook 2) has been reported to promote colorectal cancer (CRC) development by regulating the transcription of target genes. It participates in nearly all aspects of cellular processes, including cell transformation, proliferation, apoptosis, senescence, metastasis, epithelial-to-mesenchymal transition (EMT), DNA repair and stem cell self-renewal. In the past decades, a group of downstream targets and binding partners have been identified in a wide range of cancers. Our findings of HMGA2 as a key factor in the MDM2/p53, IL11/STAT3 and Wnt/β-catenin signaling pathways prompt us to summarize current advances in the functional and molecular basis of HMGA2 in CRC. In this review, we address the roles of HMGA2 in the oncogenic networks of CRC based on recent advances. We review its aberrant expression, explore underlying mechanisms, discuss its pro-tumorigenic effects, and highlight promising small-molecule inhibitors based on targeting HMGA2 here. However, the understanding of HMGA2 in CRC progression is still elusive, thus we also discuss the future perspectives in this review. Collectively, this review provides novel insights into the oncogenic properties of HMGA2, which has potential implications in the diagnosis and treatment of CRC. HMGA2 promotes colorectal cancer (CRC) development by regulating the transcriptions of target genes. Circulating cell-free HMGA2 mRNA has been identified as a potential screening marker in CRC. HMGA2 appears to be a key factor in the networks of MDM2/p53, IL11/STAT3 and Wnt/β-catenin signaling pathways in CRC. Many agents and siRNAs serve as potential therapeutic approaches by targeting HMGA2 for the treatment of CRC. Deciphering HMGA2-mediated machinery helps to conceive effective therapy strategies and develop novel inhibitors in CRC.
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Affiliation(s)
- Xin Wang
- Department of Pathology & Pathophysiology, Department of Colorectal Surgery of the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Jian Wang
- Department of Colorectal Surgery, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China.
| | - Jingjing Wu
- Department of Pathology & Pathophysiology, Department of Colorectal Surgery of the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China.
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22
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Taenia solium and Taenia crassiceps: miRNomes of the larvae and effects of miR-10-5p and let-7-5p on murine peritoneal macrophages. Biosci Rep 2020; 39:220730. [PMID: 31694049 PMCID: PMC6863767 DOI: 10.1042/bsr20190152] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2019] [Revised: 09/04/2019] [Accepted: 10/07/2019] [Indexed: 12/15/2022] Open
Abstract
Neurocysticercosis (NCC), a major cause of neurological morbidity worldwide, is caused by the larvae of Taenia solium. Cestodes secrete molecules that block the Th1 response of their hosts and induce a Th2 response permissive to their establishment. Mature microRNAs (miRs) are small noncoding RNAs that regulate gene expression and participate in immunological processes. To determine the participation of Taenia miRs in the immune response against cysticercosis, we constructed small RNA (sRNA) libraries from larvae of Taenia solium and Taenia crassiceps. A total of 12074504 and 11779456 sequencing reads for T. solium and T. crassiceps, respectively, were mapped to the genomes of T. solium and other helminths. Both larvae shared similar miRNome, and miR-10-5p was the most abundant in both species, followed by let-7-5p in T. solium and miR-4989-3p in T. crassiceps, whereas among the genus-specific miRs, miR-001-3p was the most abundant in both, followed by miR-002-3p in T. solium and miR-003a-3p in T. crassiceps. The sequences of these miRs were identical in both. Structure and target prediction analyses revealed that these pre-miRs formed a hairpin and had more than one target involved in immunoregulation. Culture of macrophages, RT-PCR and ELISA assays showed that cells internalized miR-10-5p and let-7-5p into the cytoplasm and the miRs strongly decreased interleukin 16 (Il6) expression, tumor necrosis factor (TNF) and IL-12 secretion, and moderately decreased nitric oxide synthase inducible (Nos2) and Il1b expression (pro-inflammatory cytokines) in M(IFN-γ) macrophages and expression of Tgf1b, and the secretion of IL-10 (anti-inflammatory cytokines) in M(IL-4) macrophages. These findings could help us understand the role of miRs in the host–Taenia relationship.
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23
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Ekanem TI, Tsai WL, Lin YH, Tan WQ, Chang HY, Huang TC, Chen HY, Lee KH. Identification of the Effects of Aspirin and Sulindac Sulfide on the Inhibition of HMGA2-Mediated Oncogenic Capacities in Colorectal Cancer. Molecules 2020; 25:molecules25173826. [PMID: 32842685 PMCID: PMC7504004 DOI: 10.3390/molecules25173826] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2020] [Revised: 08/17/2020] [Accepted: 08/20/2020] [Indexed: 12/14/2022] Open
Abstract
Distant metastatic colorectal cancer (CRC) is present in approximately 25% of patients at initial diagnosis, and eventually half of CRC patients will develop metastatic disease. The 5-year survival rate for patients with metastatic CRC is a mere 12.5%; thus, there is an urgent need to investigate the molecular mechanisms of cancer progression in CRC. High expression of human high-mobility group A2 (HMGA2) is related to tumor progression, a poor prognosis, and a poor response to therapy for CRC. Therefore, HMGA2 is an attractive target for cancer therapy. In this study, we identified aspirin and sulindac sulfide as novel potential inhibitors of HMGA2 using a genome-wide mRNA signature-based approach. In addition, aspirin and sulindac sulfide induced cytotoxicity of CRC cells stably expressing HMGA2 by inhibiting cell proliferation and migration. Moreover, a gene set enrichment analysis (GSEA) revealed that gene sets related to inflammation were positively correlated with HMGA2 and that the main molecular function of these genes was categorized as a G-protein-coupled receptor (GPCR) activity event. Collectively, this is the first study to report that aspirin and sulindac sulfide are novel potential inhibitors of HMGA2, which can induce cytotoxicity of CRC cells stably expressing HMGA2 by inhibiting cell proliferation and migration through influencing inflammatory-response genes, the majority of which are involved in GPCR signaling.
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Affiliation(s)
- Titus Ime Ekanem
- Ph.D. Program for Cancer Molecular Biology and Drug Discovery, College of Medical Science and Technology, Taipei Medical University and Academia Sinica, Taipei 11031, Taiwan;
- Department of Hematology, University of Uyo, Uyo 520271, Nigeria
| | - Wei-Lun Tsai
- Graduate Institute of Cancer Biology and Drug Discovery, College of Medical Science and Technology, Taipei Medical University, Taipei 11031, Taiwan; (W.-L.T.); (W.-Q.T.); (T.-C.H.)
| | - Yi-Hsuan Lin
- Nutrition and Health Sciences, College of Nutrition, Taipei Medical University, Taipei 11031, Taiwan;
| | - Wan-Qian Tan
- Graduate Institute of Cancer Biology and Drug Discovery, College of Medical Science and Technology, Taipei Medical University, Taipei 11031, Taiwan; (W.-L.T.); (W.-Q.T.); (T.-C.H.)
| | - Hsin-Yi Chang
- Graduate Institute of Metabolism and Obesity Sciences, College of Nutrition, Taipei Medical University, Taipei 11031, Taiwan;
| | - Tsui-Chin Huang
- Graduate Institute of Cancer Biology and Drug Discovery, College of Medical Science and Technology, Taipei Medical University, Taipei 11031, Taiwan; (W.-L.T.); (W.-Q.T.); (T.-C.H.)
- Ph.D. Program for Cancer Molecular Biology and Drug Discovery, College of Medical Science and Technology, Taipei Medical University, Taipei 11031, Taiwan
| | - Hsin-Yi Chen
- Graduate Institute of Cancer Biology and Drug Discovery, College of Medical Science and Technology, Taipei Medical University, Taipei 11031, Taiwan; (W.-L.T.); (W.-Q.T.); (T.-C.H.)
- Ph.D. Program for Cancer Molecular Biology and Drug Discovery, College of Medical Science and Technology, Taipei Medical University, Taipei 11031, Taiwan
- Correspondence: (H.-Y.C.); (K.-H.L.); Tel.: +886-2-26972035 (H.-Y.C.); +886-2-26972035 (K.-H.L.); Fax: +886-2-66387537 (H.-Y.C.); +886-2-66387537 (K.-H.L.)
| | - Kuen-Haur Lee
- Graduate Institute of Cancer Biology and Drug Discovery, College of Medical Science and Technology, Taipei Medical University, Taipei 11031, Taiwan; (W.-L.T.); (W.-Q.T.); (T.-C.H.)
- Ph.D. Program for Cancer Molecular Biology and Drug Discovery, College of Medical Science and Technology, Taipei Medical University, Taipei 11031, Taiwan
- TMU Research Center of Cancer Translational Medicine, Taipei Medical University, Taipei 11031, Taiwan
- Cancer Center, Wan Fang Hospital, Taipei Medical University 11696, Taipei, Taiwan
- Correspondence: (H.-Y.C.); (K.-H.L.); Tel.: +886-2-26972035 (H.-Y.C.); +886-2-26972035 (K.-H.L.); Fax: +886-2-66387537 (H.-Y.C.); +886-2-66387537 (K.-H.L.)
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24
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Li HD, Chen X, Xu JJ, Du XS, Yang Y, Li JJ, Yang XJ, Huang HM, Li XF, Wu MF, Zhang C, Zhang C, Li Z, Wang H, Meng XM, Huang C, Li J. DNMT3b-mediated methylation of ZSWIM3 enhances inflammation in alcohol-induced liver injury via regulating TRAF2-mediated NF-κB pathway. Clin Sci (Lond) 2020. [DOI: https:/doi.org/10.1042/cs20200031] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
Abstract
The regulation of macrophages during inflammatory responses is a crucial process in alcoholic liver disease (ALD) and aberrant macrophage DNA methylation is associated with inflammation. Our preliminary screening results of macrophage methylation in the present study demonstrated the zinc finger SWI2/SNF2 and MuDR (SWIM)-domain containing 3 (ZSWIM3) were hypermethylated in the 5′ untranslated region (5′-UTR) region. ZSWIM3, a novel zinc finger-chelate domain of SWIM, is predicted to function in DNA-binding and protein-binding interactions. Its expression was found to be consistently decreased in macrophages isolated from livers of ethyl alcohol (EtOH)-fed mice and in EtOH+lipopolysaccharide (LPS)-induced RAW264.7 cells. Over-expression of ZSWIM3 was found to attenuate chronic+binge ethanol feeding-induced liver injury and inhibit inflammatory responses in vivo. Enforced expression of ZSWIM3 in vitro was also found to have anti-inflammatory effects. Aberrant expression of ZSWIM3 in alcohol-induced liver injury (ALI) was found to be associated with hypermethylation. Analysis of CpG prediction indicated the presence of two methylated sites in the ZSWIM3 promoter region and methylation inhibitor and DNA methyltransferases (DNMTs)-siRNA transfection were found to restore down-regulated ZSWIM3. Chromatin immunoprecipitation (ChIP) assay and molecular docking affirmed the role of DNMT 3b (DNMT3b) as a principal regulator of ZSWIM3 expression. Mechanistically, ZSWIM3 might affect inflammation by binding with tumor necrosis factor receptor-associated factor 2 (TRAF2), which further mediates the activation of the nuclear transcription factor κB (NF-κB) pathway. The present study, therefore, provides detailed insights into the possible structure and function of ZSWIM3 and thus, contributes new substantial research in the elucidation of the pathogenesis of ALI.
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Affiliation(s)
- Hai-Di Li
- Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Hefei, China
- The Key Laboratory of Anti-inflammatory of Immune Medicines, Ministry of Education, Hefei, China
- Institute for Liver Diseases of Anhui Medical University, Hefei, China
- School of Pharmacy, Anhui Key Laboratory of Bioactivity of Natural Products, Anhui Medical University, Hefei 230032, China
| | - Xin Chen
- Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Hefei, China
- The Key Laboratory of Anti-inflammatory of Immune Medicines, Ministry of Education, Hefei, China
- Institute for Liver Diseases of Anhui Medical University, Hefei, China
- School of Pharmacy, Anhui Key Laboratory of Bioactivity of Natural Products, Anhui Medical University, Hefei 230032, China
| | - Jie-Jie Xu
- Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Hefei, China
- The Key Laboratory of Anti-inflammatory of Immune Medicines, Ministry of Education, Hefei, China
- Institute for Liver Diseases of Anhui Medical University, Hefei, China
- School of Pharmacy, Anhui Key Laboratory of Bioactivity of Natural Products, Anhui Medical University, Hefei 230032, China
| | - Xiao-Sa Du
- Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Hefei, China
- The Key Laboratory of Anti-inflammatory of Immune Medicines, Ministry of Education, Hefei, China
- Institute for Liver Diseases of Anhui Medical University, Hefei, China
- School of Pharmacy, Anhui Key Laboratory of Bioactivity of Natural Products, Anhui Medical University, Hefei 230032, China
| | - Yang Yang
- Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Hefei, China
- The Key Laboratory of Anti-inflammatory of Immune Medicines, Ministry of Education, Hefei, China
- Institute for Liver Diseases of Anhui Medical University, Hefei, China
- School of Pharmacy, Anhui Key Laboratory of Bioactivity of Natural Products, Anhui Medical University, Hefei 230032, China
- Department of Anesthesiology, McGovern Medical School, University of Texas Health Science Center at Houston, Houston, U.S.A
| | - Juan-Juan Li
- Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Hefei, China
- The Key Laboratory of Anti-inflammatory of Immune Medicines, Ministry of Education, Hefei, China
- Institute for Liver Diseases of Anhui Medical University, Hefei, China
- School of Pharmacy, Anhui Key Laboratory of Bioactivity of Natural Products, Anhui Medical University, Hefei 230032, China
| | - Xiao-Juan Yang
- Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Hefei, China
- The Key Laboratory of Anti-inflammatory of Immune Medicines, Ministry of Education, Hefei, China
- Institute for Liver Diseases of Anhui Medical University, Hefei, China
- School of Pharmacy, Anhui Key Laboratory of Bioactivity of Natural Products, Anhui Medical University, Hefei 230032, China
| | - Hui-Min Huang
- Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Hefei, China
- The Key Laboratory of Anti-inflammatory of Immune Medicines, Ministry of Education, Hefei, China
- Institute for Liver Diseases of Anhui Medical University, Hefei, China
- School of Pharmacy, Anhui Key Laboratory of Bioactivity of Natural Products, Anhui Medical University, Hefei 230032, China
| | - Xiao-Feng Li
- Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Hefei, China
- The Key Laboratory of Anti-inflammatory of Immune Medicines, Ministry of Education, Hefei, China
- Institute for Liver Diseases of Anhui Medical University, Hefei, China
- School of Pharmacy, Anhui Key Laboratory of Bioactivity of Natural Products, Anhui Medical University, Hefei 230032, China
| | - Ming-Fei Wu
- School of Pharmacy, Anhui Key Laboratory of Bioactivity of Natural Products, Anhui Medical University, Hefei 230032, China
| | - Chong Zhang
- Hepatobiliary surgery, The First Affiliated Hospital of Anhui Medical University, Hefei, Anhui, China
| | - Chao Zhang
- Hepatobiliary surgery, The First Affiliated Hospital of Anhui Medical University, Hefei, Anhui, China
| | - Zeng Li
- Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Hefei, China
- The Key Laboratory of Anti-inflammatory of Immune Medicines, Ministry of Education, Hefei, China
- Institute for Liver Diseases of Anhui Medical University, Hefei, China
- School of Pharmacy, Anhui Key Laboratory of Bioactivity of Natural Products, Anhui Medical University, Hefei 230032, China
| | - Hua Wang
- Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Hefei, China
- The Key Laboratory of Anti-inflammatory of Immune Medicines, Ministry of Education, Hefei, China
- Institute for Liver Diseases of Anhui Medical University, Hefei, China
- School of Pharmacy, Anhui Key Laboratory of Bioactivity of Natural Products, Anhui Medical University, Hefei 230032, China
- Hepatobiliary surgery, The First Affiliated Hospital of Anhui Medical University, Hefei, Anhui, China
| | - Xiao-Ming Meng
- Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Hefei, China
- The Key Laboratory of Anti-inflammatory of Immune Medicines, Ministry of Education, Hefei, China
- Institute for Liver Diseases of Anhui Medical University, Hefei, China
- School of Pharmacy, Anhui Key Laboratory of Bioactivity of Natural Products, Anhui Medical University, Hefei 230032, China
| | - Cheng Huang
- Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Hefei, China
- The Key Laboratory of Anti-inflammatory of Immune Medicines, Ministry of Education, Hefei, China
- Institute for Liver Diseases of Anhui Medical University, Hefei, China
- School of Pharmacy, Anhui Key Laboratory of Bioactivity of Natural Products, Anhui Medical University, Hefei 230032, China
| | - Jun Li
- Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Hefei, China
- The Key Laboratory of Anti-inflammatory of Immune Medicines, Ministry of Education, Hefei, China
- Institute for Liver Diseases of Anhui Medical University, Hefei, China
- School of Pharmacy, Anhui Key Laboratory of Bioactivity of Natural Products, Anhui Medical University, Hefei 230032, China
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25
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Li HD, Chen X, Xu JJ, Du XS, Yang Y, Li JJ, Yang XJ, Huang HM, Li XF, Wu MF, Zhang C, Zhang C, Li Z, Wang H, Meng XM, Huang C, Li J. DNMT3b-mediated methylation of ZSWIM3 enhances inflammation in alcohol-induced liver injury via regulating TRAF2-mediated NF-κB pathway. Clin Sci (Lond) 2020; 134:1935-1956. [PMID: 32639005 DOI: 10.1042/cs20200031] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2020] [Revised: 07/03/2020] [Accepted: 07/07/2020] [Indexed: 12/17/2023]
Abstract
The regulation of macrophages during inflammatory responses is a crucial process in alcoholic liver disease (ALD) and aberrant macrophage DNA methylation is associated with inflammation. Our preliminary screening results of macrophage methylation in the present study demonstrated the zinc finger SWI2/SNF2 and MuDR (SWIM)-domain containing 3 (ZSWIM3) were hypermethylated in the 5' untranslated region (5'-UTR) region. ZSWIM3, a novel zinc finger-chelate domain of SWIM, is predicted to function in DNA-binding and protein-binding interactions. Its expression was found to be consistently decreased in macrophages isolated from livers of ethyl alcohol (EtOH)-fed mice and in EtOH+lipopolysaccharide (LPS)-induced RAW264.7 cells. Over-expression of ZSWIM3 was found to attenuate chronic+binge ethanol feeding-induced liver injury and inhibit inflammatory responses in vivo. Enforced expression of ZSWIM3 in vitro was also found to have anti-inflammatory effects. Aberrant expression of ZSWIM3 in alcohol-induced liver injury (ALI) was found to be associated with hypermethylation. Analysis of CpG prediction indicated the presence of two methylated sites in the ZSWIM3 promoter region and methylation inhibitor and DNA methyltransferases (DNMTs)-siRNA transfection were found to restore down-regulated ZSWIM3. Chromatin immunoprecipitation (ChIP) assay and molecular docking affirmed the role of DNMT 3b (DNMT3b) as a principal regulator of ZSWIM3 expression. Mechanistically, ZSWIM3 might affect inflammation by binding with tumor necrosis factor receptor-associated factor 2 (TRAF2), which further mediates the activation of the nuclear transcription factor κB (NF-κB) pathway. The present study, therefore, provides detailed insights into the possible structure and function of ZSWIM3 and thus, contributes new substantial research in the elucidation of the pathogenesis of ALI.
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Affiliation(s)
- Hai-Di Li
- Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Hefei, China
- The Key Laboratory of Anti-inflammatory of Immune Medicines, Ministry of Education, Hefei, China
- Institute for Liver Diseases of Anhui Medical University, Hefei, China
- School of Pharmacy, Anhui Key Laboratory of Bioactivity of Natural Products, Anhui Medical University, Hefei 230032, China
| | - Xin Chen
- Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Hefei, China
- The Key Laboratory of Anti-inflammatory of Immune Medicines, Ministry of Education, Hefei, China
- Institute for Liver Diseases of Anhui Medical University, Hefei, China
- School of Pharmacy, Anhui Key Laboratory of Bioactivity of Natural Products, Anhui Medical University, Hefei 230032, China
| | - Jie-Jie Xu
- Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Hefei, China
- The Key Laboratory of Anti-inflammatory of Immune Medicines, Ministry of Education, Hefei, China
- Institute for Liver Diseases of Anhui Medical University, Hefei, China
- School of Pharmacy, Anhui Key Laboratory of Bioactivity of Natural Products, Anhui Medical University, Hefei 230032, China
| | - Xiao-Sa Du
- Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Hefei, China
- The Key Laboratory of Anti-inflammatory of Immune Medicines, Ministry of Education, Hefei, China
- Institute for Liver Diseases of Anhui Medical University, Hefei, China
- School of Pharmacy, Anhui Key Laboratory of Bioactivity of Natural Products, Anhui Medical University, Hefei 230032, China
| | - Yang Yang
- Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Hefei, China
- The Key Laboratory of Anti-inflammatory of Immune Medicines, Ministry of Education, Hefei, China
- Institute for Liver Diseases of Anhui Medical University, Hefei, China
- School of Pharmacy, Anhui Key Laboratory of Bioactivity of Natural Products, Anhui Medical University, Hefei 230032, China
- Department of Anesthesiology, McGovern Medical School, University of Texas Health Science Center at Houston, Houston, U.S.A
| | - Juan-Juan Li
- Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Hefei, China
- The Key Laboratory of Anti-inflammatory of Immune Medicines, Ministry of Education, Hefei, China
- Institute for Liver Diseases of Anhui Medical University, Hefei, China
- School of Pharmacy, Anhui Key Laboratory of Bioactivity of Natural Products, Anhui Medical University, Hefei 230032, China
| | - Xiao-Juan Yang
- Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Hefei, China
- The Key Laboratory of Anti-inflammatory of Immune Medicines, Ministry of Education, Hefei, China
- Institute for Liver Diseases of Anhui Medical University, Hefei, China
- School of Pharmacy, Anhui Key Laboratory of Bioactivity of Natural Products, Anhui Medical University, Hefei 230032, China
| | - Hui-Min Huang
- Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Hefei, China
- The Key Laboratory of Anti-inflammatory of Immune Medicines, Ministry of Education, Hefei, China
- Institute for Liver Diseases of Anhui Medical University, Hefei, China
- School of Pharmacy, Anhui Key Laboratory of Bioactivity of Natural Products, Anhui Medical University, Hefei 230032, China
| | - Xiao-Feng Li
- Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Hefei, China
- The Key Laboratory of Anti-inflammatory of Immune Medicines, Ministry of Education, Hefei, China
- Institute for Liver Diseases of Anhui Medical University, Hefei, China
- School of Pharmacy, Anhui Key Laboratory of Bioactivity of Natural Products, Anhui Medical University, Hefei 230032, China
| | - Ming-Fei Wu
- School of Pharmacy, Anhui Key Laboratory of Bioactivity of Natural Products, Anhui Medical University, Hefei 230032, China
| | - Chong Zhang
- Hepatobiliary surgery, The First Affiliated Hospital of Anhui Medical University, Hefei, Anhui, China
| | - Chao Zhang
- Hepatobiliary surgery, The First Affiliated Hospital of Anhui Medical University, Hefei, Anhui, China
| | - Zeng Li
- Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Hefei, China
- The Key Laboratory of Anti-inflammatory of Immune Medicines, Ministry of Education, Hefei, China
- Institute for Liver Diseases of Anhui Medical University, Hefei, China
- School of Pharmacy, Anhui Key Laboratory of Bioactivity of Natural Products, Anhui Medical University, Hefei 230032, China
| | - Hua Wang
- Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Hefei, China
- The Key Laboratory of Anti-inflammatory of Immune Medicines, Ministry of Education, Hefei, China
- Institute for Liver Diseases of Anhui Medical University, Hefei, China
- School of Pharmacy, Anhui Key Laboratory of Bioactivity of Natural Products, Anhui Medical University, Hefei 230032, China
- Hepatobiliary surgery, The First Affiliated Hospital of Anhui Medical University, Hefei, Anhui, China
| | - Xiao-Ming Meng
- Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Hefei, China
- The Key Laboratory of Anti-inflammatory of Immune Medicines, Ministry of Education, Hefei, China
- Institute for Liver Diseases of Anhui Medical University, Hefei, China
- School of Pharmacy, Anhui Key Laboratory of Bioactivity of Natural Products, Anhui Medical University, Hefei 230032, China
| | - Cheng Huang
- Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Hefei, China
- The Key Laboratory of Anti-inflammatory of Immune Medicines, Ministry of Education, Hefei, China
- Institute for Liver Diseases of Anhui Medical University, Hefei, China
- School of Pharmacy, Anhui Key Laboratory of Bioactivity of Natural Products, Anhui Medical University, Hefei 230032, China
| | - Jun Li
- Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Hefei, China
- The Key Laboratory of Anti-inflammatory of Immune Medicines, Ministry of Education, Hefei, China
- Institute for Liver Diseases of Anhui Medical University, Hefei, China
- School of Pharmacy, Anhui Key Laboratory of Bioactivity of Natural Products, Anhui Medical University, Hefei 230032, China
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26
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Li HD, Chen X, Xu JJ, Du XS, Yang Y, Li JJ, Yang XJ, Huang HM, Li XF, Wu MF, Zhang C, Zhang C, Li Z, Wang H, Meng XM, Huang C, Li J. DNMT3b-mediated methylation of ZSWIM3 enhances inflammation in alcohol-induced liver injury via regulating TRAF2-mediated NF-κB pathway. Clin Sci (Lond) 2020. [DOI: https://doi.org/10.1042/cs20200031] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Abstract
The regulation of macrophages during inflammatory responses is a crucial process in alcoholic liver disease (ALD) and aberrant macrophage DNA methylation is associated with inflammation. Our preliminary screening results of macrophage methylation in the present study demonstrated the zinc finger SWI2/SNF2 and MuDR (SWIM)-domain containing 3 (ZSWIM3) were hypermethylated in the 5′ untranslated region (5′-UTR) region. ZSWIM3, a novel zinc finger-chelate domain of SWIM, is predicted to function in DNA-binding and protein-binding interactions. Its expression was found to be consistently decreased in macrophages isolated from livers of ethyl alcohol (EtOH)-fed mice and in EtOH+lipopolysaccharide (LPS)-induced RAW264.7 cells. Over-expression of ZSWIM3 was found to attenuate chronic+binge ethanol feeding-induced liver injury and inhibit inflammatory responses in vivo. Enforced expression of ZSWIM3 in vitro was also found to have anti-inflammatory effects. Aberrant expression of ZSWIM3 in alcohol-induced liver injury (ALI) was found to be associated with hypermethylation. Analysis of CpG prediction indicated the presence of two methylated sites in the ZSWIM3 promoter region and methylation inhibitor and DNA methyltransferases (DNMTs)-siRNA transfection were found to restore down-regulated ZSWIM3. Chromatin immunoprecipitation (ChIP) assay and molecular docking affirmed the role of DNMT 3b (DNMT3b) as a principal regulator of ZSWIM3 expression. Mechanistically, ZSWIM3 might affect inflammation by binding with tumor necrosis factor receptor-associated factor 2 (TRAF2), which further mediates the activation of the nuclear transcription factor κB (NF-κB) pathway. The present study, therefore, provides detailed insights into the possible structure and function of ZSWIM3 and thus, contributes new substantial research in the elucidation of the pathogenesis of ALI.
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Affiliation(s)
- Hai-Di Li
- Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Hefei, China
- The Key Laboratory of Anti-inflammatory of Immune Medicines, Ministry of Education, Hefei, China
- Institute for Liver Diseases of Anhui Medical University, Hefei, China
- School of Pharmacy, Anhui Key Laboratory of Bioactivity of Natural Products, Anhui Medical University, Hefei 230032, China
| | - Xin Chen
- Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Hefei, China
- The Key Laboratory of Anti-inflammatory of Immune Medicines, Ministry of Education, Hefei, China
- Institute for Liver Diseases of Anhui Medical University, Hefei, China
- School of Pharmacy, Anhui Key Laboratory of Bioactivity of Natural Products, Anhui Medical University, Hefei 230032, China
| | - Jie-Jie Xu
- Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Hefei, China
- The Key Laboratory of Anti-inflammatory of Immune Medicines, Ministry of Education, Hefei, China
- Institute for Liver Diseases of Anhui Medical University, Hefei, China
- School of Pharmacy, Anhui Key Laboratory of Bioactivity of Natural Products, Anhui Medical University, Hefei 230032, China
| | - Xiao-Sa Du
- Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Hefei, China
- The Key Laboratory of Anti-inflammatory of Immune Medicines, Ministry of Education, Hefei, China
- Institute for Liver Diseases of Anhui Medical University, Hefei, China
- School of Pharmacy, Anhui Key Laboratory of Bioactivity of Natural Products, Anhui Medical University, Hefei 230032, China
| | - Yang Yang
- Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Hefei, China
- The Key Laboratory of Anti-inflammatory of Immune Medicines, Ministry of Education, Hefei, China
- Institute for Liver Diseases of Anhui Medical University, Hefei, China
- School of Pharmacy, Anhui Key Laboratory of Bioactivity of Natural Products, Anhui Medical University, Hefei 230032, China
- Department of Anesthesiology, McGovern Medical School, University of Texas Health Science Center at Houston, Houston, U.S.A
| | - Juan-Juan Li
- Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Hefei, China
- The Key Laboratory of Anti-inflammatory of Immune Medicines, Ministry of Education, Hefei, China
- Institute for Liver Diseases of Anhui Medical University, Hefei, China
- School of Pharmacy, Anhui Key Laboratory of Bioactivity of Natural Products, Anhui Medical University, Hefei 230032, China
| | - Xiao-Juan Yang
- Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Hefei, China
- The Key Laboratory of Anti-inflammatory of Immune Medicines, Ministry of Education, Hefei, China
- Institute for Liver Diseases of Anhui Medical University, Hefei, China
- School of Pharmacy, Anhui Key Laboratory of Bioactivity of Natural Products, Anhui Medical University, Hefei 230032, China
| | - Hui-Min Huang
- Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Hefei, China
- The Key Laboratory of Anti-inflammatory of Immune Medicines, Ministry of Education, Hefei, China
- Institute for Liver Diseases of Anhui Medical University, Hefei, China
- School of Pharmacy, Anhui Key Laboratory of Bioactivity of Natural Products, Anhui Medical University, Hefei 230032, China
| | - Xiao-Feng Li
- Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Hefei, China
- The Key Laboratory of Anti-inflammatory of Immune Medicines, Ministry of Education, Hefei, China
- Institute for Liver Diseases of Anhui Medical University, Hefei, China
- School of Pharmacy, Anhui Key Laboratory of Bioactivity of Natural Products, Anhui Medical University, Hefei 230032, China
| | - Ming-Fei Wu
- School of Pharmacy, Anhui Key Laboratory of Bioactivity of Natural Products, Anhui Medical University, Hefei 230032, China
| | - Chong Zhang
- Hepatobiliary surgery, The First Affiliated Hospital of Anhui Medical University, Hefei, Anhui, China
| | - Chao Zhang
- Hepatobiliary surgery, The First Affiliated Hospital of Anhui Medical University, Hefei, Anhui, China
| | - Zeng Li
- Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Hefei, China
- The Key Laboratory of Anti-inflammatory of Immune Medicines, Ministry of Education, Hefei, China
- Institute for Liver Diseases of Anhui Medical University, Hefei, China
- School of Pharmacy, Anhui Key Laboratory of Bioactivity of Natural Products, Anhui Medical University, Hefei 230032, China
| | - Hua Wang
- Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Hefei, China
- The Key Laboratory of Anti-inflammatory of Immune Medicines, Ministry of Education, Hefei, China
- Institute for Liver Diseases of Anhui Medical University, Hefei, China
- School of Pharmacy, Anhui Key Laboratory of Bioactivity of Natural Products, Anhui Medical University, Hefei 230032, China
- Hepatobiliary surgery, The First Affiliated Hospital of Anhui Medical University, Hefei, Anhui, China
| | - Xiao-Ming Meng
- Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Hefei, China
- The Key Laboratory of Anti-inflammatory of Immune Medicines, Ministry of Education, Hefei, China
- Institute for Liver Diseases of Anhui Medical University, Hefei, China
- School of Pharmacy, Anhui Key Laboratory of Bioactivity of Natural Products, Anhui Medical University, Hefei 230032, China
| | - Cheng Huang
- Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Hefei, China
- The Key Laboratory of Anti-inflammatory of Immune Medicines, Ministry of Education, Hefei, China
- Institute for Liver Diseases of Anhui Medical University, Hefei, China
- School of Pharmacy, Anhui Key Laboratory of Bioactivity of Natural Products, Anhui Medical University, Hefei 230032, China
| | - Jun Li
- Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Hefei, China
- The Key Laboratory of Anti-inflammatory of Immune Medicines, Ministry of Education, Hefei, China
- Institute for Liver Diseases of Anhui Medical University, Hefei, China
- School of Pharmacy, Anhui Key Laboratory of Bioactivity of Natural Products, Anhui Medical University, Hefei 230032, China
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27
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Mazzolini J, Le Clerc S, Morisse G, Coulonges C, Kuil LE, van Ham TJ, Zagury J, Sieger D. Gene expression profiling reveals a conserved microglia signature in larval zebrafish. Glia 2020; 68:298-315. [PMID: 31508850 PMCID: PMC6916425 DOI: 10.1002/glia.23717] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2019] [Revised: 08/21/2019] [Accepted: 08/22/2019] [Indexed: 12/23/2022]
Abstract
Microglia are the resident macrophages of the brain. Over the past decade, our understanding of the function of these cells has significantly improved. Microglia do not only play important roles in the healthy brain but are involved in almost every brain pathology. Gene expression profiling allowed to distinguish microglia from other macrophages and revealed that the full microglia signature can only be observed in vivo. Thus, animal models are irreplaceable to understand the function of these cells. One of the popular models to study microglia is the zebrafish larva. Due to their optical transparency and genetic accessibility, zebrafish larvae have been employed to understand a variety of microglia functions in the living brain. Here, we performed RNA sequencing of larval zebrafish microglia at different developmental time points: 3, 5, and 7 days post fertilization (dpf). Our analysis reveals that larval zebrafish microglia rapidly acquire the core microglia signature and many typical microglia genes are expressed from 3 dpf onwards. The majority of changes in gene expression happened between 3 and 5 dpf, suggesting that differentiation mainly takes place during these days. Furthermore, we compared the larval microglia transcriptome to published data sets of adult zebrafish microglia, mouse microglia, and human microglia. Larval microglia shared a significant number of expressed genes with their adult counterparts in zebrafish as well as with mouse and human microglia. In conclusion, our results show that larval zebrafish microglia mature rapidly and express the core microglia gene signature that seems to be conserved across species.
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Affiliation(s)
- Julie Mazzolini
- Centre for Discovery Brain SciencesUniversity of EdinburghEdinburghUK
| | - Sigrid Le Clerc
- Laboratoire GBCM, EA7528, Conservatoire National des Arts et MétiersHESAM UniversitéParisFrance
| | - Gregoire Morisse
- Centre for Discovery Brain SciencesUniversity of EdinburghEdinburghUK
| | - Cédric Coulonges
- Laboratoire GBCM, EA7528, Conservatoire National des Arts et MétiersHESAM UniversitéParisFrance
| | - Laura E. Kuil
- Department of Clinical Genetics, Erasmus MCUniversity Medical Center RotterdamRotterdamThe Netherlands
| | - Tjakko J. van Ham
- Department of Clinical Genetics, Erasmus MCUniversity Medical Center RotterdamRotterdamThe Netherlands
| | - Jean‐François Zagury
- Laboratoire GBCM, EA7528, Conservatoire National des Arts et MétiersHESAM UniversitéParisFrance
| | - Dirk Sieger
- Centre for Discovery Brain SciencesUniversity of EdinburghEdinburghUK
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28
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H19 potentiates let-7 family expression through reducing PTBP1 binding to their precursors in cholestasis. Cell Death Dis 2019; 10:168. [PMID: 30778047 PMCID: PMC6379488 DOI: 10.1038/s41419-019-1423-6] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2018] [Revised: 12/27/2018] [Accepted: 01/21/2019] [Indexed: 12/22/2022]
Abstract
Cholestasis induces the hepatic long non-coding RNA H19, which promotes the progression of cholestatic liver fibrosis. However, microRNAs that are dysregulated by H19 during cholestasis remain elusive. Using miRNA-sequencing analysis followed by qPCR validation, we identified marked upregulation of eight members of the let-7 family in cholestatic livers by bile duct ligation (BDL) and H19 overexpression. In particular, the expression of let-7a-1/7d/7f-1 was highly induced in H19-BDL livers but decreased in H19KO-BDL livers. Interestingly, H19 decreased the nuclear let-7 precursors as well as the primary transcripts of let-7a-1/7d/7f-1 levels in BDL mouse livers. Bioinformatics, RNA pull-down, and RNA immunoprecipitation (RIP) assays revealed that the crucial RNA-binding protein polypyrimidine tract-binding protein 1 (PTBP1), an H19 interaction partner, interacted with the precursors of let-7a-1 and let-7d and suppressed their maturation. Both PTBP1 and let-7 expression was differentially regulated by different bile acid species in hepatocyte and cholangiocyte cells. Further, H19 negatively regulated PTBP1's mRNA and protein levels but did not affect its subcellular distribution in BDL mouse livers. Moreover, we found that H19 restrained but PTBP1 facilitated the bioavailability of let-7 miRNAs to their targets. Taken together, this study revealed for the first time that H19 promoted let-7 expression by decreasing PTBP1's expression level and its binding to the let-7 precursors in cholestasis.
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29
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Expression Profiles of Long Noncoding RNAs in Intranasal LPS-Mediated Alzheimer's Disease Model in Mice. BIOMED RESEARCH INTERNATIONAL 2019; 2019:9642589. [PMID: 30809552 PMCID: PMC6369469 DOI: 10.1155/2019/9642589] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/11/2018] [Revised: 10/23/2018] [Accepted: 12/30/2018] [Indexed: 02/07/2023]
Abstract
Alzheimer's disease (AD), characterized by memory loss, cognitive decline, and dementia, is a progressive neurodegenerative disease. Although the long noncoding RNAs (lncRNAs) have recently been identified to play a role in the pathogenesis of AD, the specific effects of lncRNAs in AD remain unclear. In present study, we have investigated the expression profiles of lncRNAs in hippocampal of intranasal LPS-mediated Alzheimer's disease models in mice by microarray method. A total of 395 lncRNAs and 123 mRNAs was detected to express differently in AD models and controls (>2.0 folds, p<0.05). The microarray expression was validated by Quantitative Real-Time-PCR (qRT-PCR). The pathway analysis showed the mRNAs that correlated with lncRNAs were involved in inflammation, apoptosis, and nervous system related pathways. The lncRNA-TFs network analysis suggested the lncRNAs were mostly regulated by HMGA2, ONECUT2, FOXO1, and CDC5L. Additionally, lncRNA-target-TFs network analysis indicated the FOXL1, CDC5L, ONECUT2, and CDX1 to be the TFs most likely to regulate the production of these lncRNAs. This is the first study to investigate lncRNAs expression pattern in intranasal LPS-mediated Alzheimer's disease model in mice. And these results may facilitate the understanding of the pathogenesis of AD targeting lncRNAs.
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30
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Dong L, Han X, Tao X, Xu L, Xu Y, Fang L, Yin L, Qi Y, Li H, Peng J. Protection by the Total Flavonoids from Rosa laevigata Michx Fruit against Lipopolysaccharide-Induced Liver Injury in Mice via Modulation of FXR Signaling. Foods 2018; 7:foods7060088. [PMID: 29890650 PMCID: PMC6025249 DOI: 10.3390/foods7060088] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2018] [Revised: 05/31/2018] [Accepted: 06/06/2018] [Indexed: 12/17/2022] Open
Abstract
We previously reported the effects of the total flavonoids (TFs) from Rosa laevigata Michx fruit against carbon tetrachloride-induced liver damage, non-alcoholic fatty liver disease, and liver ischemia-reperfusion injury. However, there have been no papers reporting the role of R. laevigata TFs against lipopolysaccharide (LPS)-induced liver injury. In this paper, liver injury in mice was induced by LPS, and R. Laevigata extract was intragastrically administered to the mice for 7 days. Biochemical parameters in serum and liver tissue were examined, and pathological changes were observed by transmission electron microscopy, hematoxylin and eosin (H&E) and Oil Red O staining. The results showed that the TFs markedly reduced serum ALT (alanine transferase), AST (aspartate transaminase), TG (total triglyceride), and TC (total cholesterol) levels and relative liver weights and improved liver pathological changes. In addition, the TFs markedly decreased tissue MDA (malondialdehyde) level and increased the levels of SOD (superoxide dismutase) and GSH-Px (glutathione peroxidase). A mechanistic study showed that the TFs significantly increased the expression levels of Nrf2 (nuclear erythroid factor2-related factor 2), HO-1 (heme oxygenase-1), NQO1 (NAD(P)H dehydrogenase (quinone 1), GCLC (glutamate-cysteine ligase catalytic subunit), and GCLM (glutamate-cysteine ligase regulatory subunit) and decreased Keap1 (Kelch-like ECH-associated protein 1) level by activating FXR (farnesoid X receptor) against oxidative stress. Furthermore, the TFs markedly suppressed the nuclear translocation of NF-κB (nuclear factor-kappa B) and subsequently decreased the expression levels of IL (interleukin)-1β, IL-6, HMGB-1 (high -mobility group box 1), and COX-2 (cyclooxygenase-2) by activating FXR and FOXO3a (forkhead box O3) against inflammation. Besides, the TFs obviously reduced the expression levels of SREBP-1c (sterol regulatory element-binding proteins-1c), ACC1 (acetyl-CoA carboxylase-1), FASN (fatty acid synthase), and SCD1 (stearoyl-coenzyme A desaturase 1), and improved CPT1 (carnitine palmitoyltransferase 1) level by activating FXR to regulate lipid metabolism. Our results suggest that TFs exhibited protective effect against LPS-induced liver injury by altering FXR-mediated oxidative stress, inflammation, and lipid metabolism, and should be developed as an effective food and healthcare product for the therapy of liver injury in the future.
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Affiliation(s)
- Lile Dong
- College of Pharmacy, Dalian Medical University, Western 9 Lvshunnan Road, Dalian 116044, China.
| | - Xu Han
- College of Pharmacy, Dalian Medical University, Western 9 Lvshunnan Road, Dalian 116044, China.
| | - Xufeng Tao
- College of Pharmacy, Dalian Medical University, Western 9 Lvshunnan Road, Dalian 116044, China.
| | - Lina Xu
- College of Pharmacy, Dalian Medical University, Western 9 Lvshunnan Road, Dalian 116044, China.
| | - Youwei Xu
- College of Pharmacy, Dalian Medical University, Western 9 Lvshunnan Road, Dalian 116044, China.
| | - Linlin Fang
- College of Pharmacy, Dalian Medical University, Western 9 Lvshunnan Road, Dalian 116044, China.
| | - Lianhong Yin
- College of Pharmacy, Dalian Medical University, Western 9 Lvshunnan Road, Dalian 116044, China.
| | - Yan Qi
- College of Pharmacy, Dalian Medical University, Western 9 Lvshunnan Road, Dalian 116044, China.
| | - Hua Li
- College of Pharmacy, Dalian Medical University, Western 9 Lvshunnan Road, Dalian 116044, China.
| | - Jinyong Peng
- College of Pharmacy, Dalian Medical University, Western 9 Lvshunnan Road, Dalian 116044, China.
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31
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Hsu AY, Gurol T, Sobreira TJP, Zhang S, Moore N, Cai C, Zhang ZY, Deng Q. Development and Characterization of an Endotoxemia Model in Zebra Fish. Front Immunol 2018; 9:607. [PMID: 29651289 PMCID: PMC5884884 DOI: 10.3389/fimmu.2018.00607] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2017] [Accepted: 03/12/2018] [Indexed: 12/16/2022] Open
Abstract
Endotoxemia is a condition in which endotoxins enter the blood stream and cause systemic and sometimes lethal inflammation. Zebra fish provides a genetically tractable model organism for studying innate immunity, with additional advantages in live imaging and drug discovery. However, a bona fide endotoxemia model has not been established in zebra fish. Here, we have developed an acute endotoxemia model in zebra fish by injecting a single dose of LPS directly into the circulation. Hallmarks of human acute endotoxemia, including systemic inflammation, extensive tissue damage, circulation blockade, immune cell mobilization, and emergency hematopoiesis, were recapitulated in this model. Knocking out the adaptor protein Myd88 inhibited systemic inflammation and improved zebra fish survival. In addition, similar alternations of pathways with human acute endotoxemia were detected using global proteomic profiling and MetaCore™ pathway enrichment analysis. Furthermore, treating zebra fish with a protein tyrosine phosphatase nonreceptor type 11 (Shp2) inhibitor decreased systemic inflammation, immune mobilization, tissue damage, and improved survival in the endotoxemia model. Together, we have established and characterized the phenotypic and gene expression changes of a zebra fish endotoxemia model, which is amenable to genetic and pharmacological discoveries that can ultimately lead to a better mechanistic understanding of the dynamics and interplay of the innate immune system.
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Affiliation(s)
- Alan Y Hsu
- Department of Biological Sciences, Purdue University, West Lafayette, IN, United States
| | - Theodore Gurol
- Department of Biological Sciences, Purdue University, West Lafayette, IN, United States
| | - Tiago J P Sobreira
- Bindley Bioscience Center, Purdue University, West Lafayette, IN, United States
| | - Sheng Zhang
- Purdue Institute for Drug Discovery, Purdue University, West Lafayette, IN, United States.,Department of Medicinal Chemistry and Molecular Pharmacology, Purdue University, West Lafayette, IN, United States
| | - Natalie Moore
- Department of Biological Sciences, Purdue University, West Lafayette, IN, United States
| | - Chufan Cai
- Department of Biological Sciences, Purdue University, West Lafayette, IN, United States
| | - Zhong-Yin Zhang
- Purdue Institute for Drug Discovery, Purdue University, West Lafayette, IN, United States.,Department of Medicinal Chemistry and Molecular Pharmacology, Purdue University, West Lafayette, IN, United States.,Purdue Institute for Inflammation, Immunology, and Infectious Disease, Purdue University, West Lafayette, IN, United States.,Purdue University Center for Cancer Research, Purdue University, West Lafayette, IN, United States
| | - Qing Deng
- Department of Biological Sciences, Purdue University, West Lafayette, IN, United States.,Purdue Institute for Inflammation, Immunology, and Infectious Disease, Purdue University, West Lafayette, IN, United States.,Purdue University Center for Cancer Research, Purdue University, West Lafayette, IN, United States
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