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Expression of MicroRNAs in Sepsis-Related Organ Dysfunction: A Systematic Review. Int J Mol Sci 2022; 23:ijms23169354. [PMID: 36012630 PMCID: PMC9409129 DOI: 10.3390/ijms23169354] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2022] [Revised: 08/10/2022] [Accepted: 08/17/2022] [Indexed: 02/06/2023] Open
Abstract
Sepsis is a critical condition characterized by increased levels of pro-inflammatory cytokines and proliferating cells such as neutrophils and macrophages in response to microbial pathogens. Such processes lead to an abnormal inflammatory response and multi-organ failure. MicroRNAs (miRNA) are single-stranded non-coding RNAs with the function of gene regulation. This means that miRNAs are involved in multiple intracellular pathways and thus contribute to or inhibit inflammation. As a result, their variable expression in different tissues and organs may play a key role in regulating the pathophysiological events of sepsis. Thanks to this property, miRNAs may serve as potential diagnostic and prognostic biomarkers in such life-threatening events. In this narrative review, we collect the results of recent studies on the expression of miRNAs in heart, blood, lung, liver, brain, and kidney during sepsis and the molecular processes in which they are involved. In reviewing the literature, we find at least 122 miRNAs and signaling pathways involved in sepsis-related organ dysfunction. This may help clinicians to detect, prevent, and treat sepsis-related organ failures early, although further studies are needed to deepen the knowledge of their potential contribution.
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Antonakos N, Gilbert C, Théroude C, Schrijver IT, Roger T. Modes of action and diagnostic value of miRNAs in sepsis. Front Immunol 2022; 13:951798. [PMID: 35990654 PMCID: PMC9389448 DOI: 10.3389/fimmu.2022.951798] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2022] [Accepted: 07/08/2022] [Indexed: 11/13/2022] Open
Abstract
Sepsis is a clinical syndrome defined as a dysregulated host response to infection resulting in life-threatening organ dysfunction. Sepsis is a major public health concern associated with one in five deaths worldwide. Sepsis is characterized by unbalanced inflammation and profound and sustained immunosuppression, increasing patient susceptibility to secondary infections and mortality. microRNAs (miRNAs) play a central role in the control of many biological processes, and deregulation of their expression has been linked to the development of oncological, cardiovascular, neurodegenerative and metabolic diseases. In this review, we discuss the role of miRNAs in sepsis pathophysiology. Overall, miRNAs are seen as promising biomarkers, and it has been proposed to develop miRNA-based therapies for sepsis. Yet, the picture is not so straightforward because of the versatile and dynamic features of miRNAs. Clearly, more research is needed to clarify the expression and role of miRNAs in sepsis, and to promote the use of miRNAs for sepsis management.
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Liang G, He Z. High Mobility Group Proteins in Sepsis. Front Immunol 2022; 13:911152. [PMID: 35720285 PMCID: PMC9202578 DOI: 10.3389/fimmu.2022.911152] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2022] [Accepted: 05/05/2022] [Indexed: 11/26/2022] Open
Abstract
Sepsis, a systemic inflammatory response disease, is the most severe complication of infection and a deadly disease. High mobility group proteins (HMGs) are non-histone nuclear proteins binding nucleosomes and regulate chromosome architecture and gene transcription, which act as a potent pro-inflammatory cytokine involved in the delayed endotoxin lethality and systemic inflammatory response. HMGs increase in serum and tissues during infection, especially in sepsis. A growing number of studies have demonstrated HMGs are not only cytokines which can mediate inflammation, but also potential therapeutic targets in sepsis. To reduce sepsis-related mortality, a better understanding of HMGs is essential. In this review, we described the structure and function of HMGs, summarized the definition, epidemiology and pathophysiology of sepsis, and discussed the HMGs-related mechanisms in sepsis from the perspectives of non-coding RNAs (microRNA, long non-coding RNA, circular RNA), programmed cell death (apoptosis, necroptosis and pyroptosis), drugs and other pathophysiological aspects to provide new targets and ideas for the diagnosis and treatment of sepsis.
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Affiliation(s)
- Guibin Liang
- Department of Critical Care Medicine, The Third Xiangya Hospital, Central South University, Changsha, China
| | - Zhihui He
- Department of Critical Care Medicine, The Third Xiangya Hospital, Central South University, Changsha, China
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Sun Q, Wang B, Li M. MicroRNA‑23a‑3p targeting of HMGB1 inhibits LPS‑induced inflammation in murine macrophages in vitro. Exp Ther Med 2022; 23:322. [PMID: 35386623 PMCID: PMC8972841 DOI: 10.3892/etm.2022.11251] [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: 08/27/2019] [Accepted: 04/04/2021] [Indexed: 11/30/2022] Open
Abstract
Inflammatory cytokines, including high mobility group box 1 (HMGB1), play a key role in sepsis via various mechanisms, some of which remain unknown. Sepsis is a common cause of death in patients admitted to the intensive care unit. MicroRNAs (miRs) serve an important role in the inflammatory response. The present study aimed to investigate the role of miR-23a-3p in macrophage inflammation and the targeted regulation of HMGB1 expression. The murine macrophage cell line RAW264.7 was subjected to lipopolysaccharide (LPS) treatment to mimic the inflammation involved in sepsis in vitro. Reverse transcription-quantitative PCR was performed to measure miR-23a-3p expression and mRNA expression. Protein levels were determined using ELISA and western blotting. The target binding relationship between miR-23a-3p and the HMGB1 3'untranslated region was predicted and validated with a dual luciferase reporter assay. HMGB1 expression was increased and miR-23a-3p expression significantly reduced in patients with sepsis and in LPS-treated RAW264.7 cells in comparison with controls. Overexpression of miR-23a-3p reduced interleukin (IL)-6 and tumor necrosis factor (TNF)-α expression in RAW264.7 cells under LPS stimulation, while silencing of miR-23a-3p elevated the expression of IL-6 and TNF-α in comparison with controls. The inhibitory effect of miR-23a-3p on LPS-induced inflammation could be abolished by HMGB1 upregulation in RAW264.7 cells. HMGB1 was targeted by miR-23a-3p. miR-23a-3p is expressed at reduced levels during inflammation in sepsis, and overexpression of miR-23a-3p inhibits LPS-induced inflammation in murine macrophages in vitro by directly downregulating HMGB1. The results of the present study provided a novel insight into the molecular mechanism underlying HMGB1 expression at the post-transcriptional level in sepsis.
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Affiliation(s)
- Qi Sun
- Department of Critical Care Medicine, The Jingzhou Central Hospital of Hubei, Jingzhou, Hubei 434000, P.R. China
| | - Bing Wang
- Department of Critical Care Medicine, The Jingzhou Central Hospital of Hubei, Jingzhou, Hubei 434000, P.R. China
| | - Mengqiu Li
- Department of Critical Care Medicine, The Jingzhou Central Hospital of Hubei, Jingzhou, Hubei 434000, P.R. China
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Pinacchio C, Scordio M, Santinelli L, Frasca F, Sorrentino L, Bitossi C, Oliveto G, Viscido A, Ceci FM, Celani L, Ceccarelli G, Antonelli G, Mastroianni CM, d’Ettorre G, Scagnolari C. Analysis of serum microRNAs and rs2910164 GC single-nucleotide polymorphism of miRNA-146a in COVID-19 patients. J Immunoassay Immunochem 2022; 43:347-364. [DOI: 10.1080/15321819.2022.2035394] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Affiliation(s)
- Claudia Pinacchio
- Department of Public Health and Infectious Diseases, Sapienza University of Rome, Rome, Italy
| | - Mirko Scordio
- Department of Molecular Medicine, Laboratory of Virology, Sapienza University, Rome, Italy
| | - Letizia Santinelli
- Department of Public Health and Infectious Diseases, Sapienza University of Rome, Rome, Italy
| | - Federica Frasca
- Department of Molecular Medicine, Laboratory of Virology, Sapienza University, Rome, Italy
| | - Leonardo Sorrentino
- Department of Molecular Medicine, Laboratory of Virology, Sapienza University, Rome, Italy
| | - Camilla Bitossi
- Department of Molecular Medicine, Laboratory of Virology, Sapienza University, Rome, Italy
| | - Giuseppe Oliveto
- Department of Molecular Medicine, Laboratory of Virology, Sapienza University, Rome, Italy
| | - Agnese Viscido
- Department of Molecular Medicine, Laboratory of Virology, Sapienza University, Rome, Italy
| | - Flavio Maria Ceci
- Department of Experimental Medicine, Sapienza University of Rome, Rome, Italy
| | - Luigi Celani
- Department of Public Health and Infectious Diseases, Sapienza University of Rome, Rome, Italy
| | - Giancarlo Ceccarelli
- Department of Public Health and Infectious Diseases, Sapienza University of Rome, Rome, Italy
| | - Guido Antonelli
- Department of Molecular Medicine, Laboratory of Virology, Sapienza University, Rome, Italy
- Microbiology and Virology Unit, Sapienza University, Hospital Policlinico Umberto I, Rome, Italy
- Department of Molecular Medicine, Pasteur Institute Italy, Cenci Bolognetti Foundation, Rome, Italy
| | | | - Gabriella d’Ettorre
- Department of Public Health and Infectious Diseases, Sapienza University of Rome, Rome, Italy
| | - Carolina Scagnolari
- Department of Molecular Medicine, Laboratory of Virology, Sapienza University, Rome, Italy
- Department of Molecular Medicine, Pasteur Institute Italy, Cenci Bolognetti Foundation, Rome, Italy
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Ghafouri-Fard S, Khoshbakht T, Hussen BM, Taheri M, Arefian N. Regulatory Role of Non-Coding RNAs on Immune Responses During Sepsis. Front Immunol 2021; 12:798713. [PMID: 34956235 PMCID: PMC8695688 DOI: 10.3389/fimmu.2021.798713] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2021] [Accepted: 11/19/2021] [Indexed: 12/22/2022] Open
Abstract
Sepsis is resulted from a systemic inflammatory response to bacterial, viral, or fungal agents. The induced inflammatory response by these microorganisms can lead to multiple organ system failure with devastating consequences. Recent studies have shown altered expressions of several non-coding RNAs such as long non-coding RNAs (lncRNAs), microRNAs (miRNAs) and circular RNAs (circRNAs) during sepsis. These transcripts have also been found to participate in the pathogenesis of multiple organ system failure through different mechanisms. NEAT1, MALAT1, THRIL, XIST, MIAT and TUG1 are among lncRNAs that participate in the pathoetiology of sepsis-related complications. miR-21, miR-155, miR-15a-5p, miR-494-3p, miR-218, miR-122, miR-208a-5p, miR-328 and miR-218 are examples of miRNAs participating in these complications. Finally, tens of circRNAs such as circC3P1, hsa_circRNA_104484, hsa_circRNA_104670 and circVMA21 and circ-PRKCI have been found to affect pathogenesis of sepsis. In the current review, we describe the role of these three classes of noncoding RNAs in the pathoetiology of sepsis-related complications.
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Affiliation(s)
- Soudeh Ghafouri-Fard
- Department of Medical Genetics, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Tayyebeh Khoshbakht
- Phytochemistry Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Bashdar Mahmud Hussen
- Department of Pharmacognosy, College of Pharmacy, Hawler Medical University, Erbil, Iraq.,Center of Research and Strategic Studies, Lebanese French University, Erbil, Iraq
| | - Mohammad Taheri
- Institute of Human Genetics, Jena University Hospital, Jena, Germany
| | - Normohammad Arefian
- Skull Base Research Center, Loghman Hakim Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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Zhang S, Lin S, Tang Q, Yan Z. Knockdown of miR‑205‑5p alleviates the inflammatory response in allergic rhinitis by targeting B‑cell lymphoma 6. Mol Med Rep 2021; 24:818. [PMID: 34558634 PMCID: PMC8477609 DOI: 10.3892/mmr.2021.12458] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2021] [Accepted: 08/19/2021] [Indexed: 01/22/2023] Open
Abstract
Allergic rhinitis (AR) is an IgE-mediated upper airway disease with a high worldwide prevalence. MicroRNA (miR)-205-5p upregulation has been observed in AR; however, its role is poorly understood. The aim of the present study was to investigate the effect of miR-205-5p on AR-associated inflammation. To establish an AR model, BALB/c mice were sensitized using an intraperitoneal injection of ovalbumin (OVA) on days 0, 7 and 14, followed by intranasal challenge with OVA on days 21–27. A lentiviral sponge for miR-205-5p was used to downregulate miR-205-5p in vivo via intranasal administration on days 20–26. Reverse transcription-quantitative PCR revealed that miR-205-5p was upregulated in AR mice. Notably, miR-205-5p knockdown reduced the frequency of nose-rubbing and sneezing, and attenuated pathological alterations in the nasal mucosa. The levels of total and OVA-specific IgE, cytokines IL-4, IL-5 and IL-13, and inflammatory cells, were decreased by miR-205-5p knockdown in AR mice. In addition, miR-205-5p knockdown inhibited nucleotide-binding oligomerization domain-like receptor family pyrin domain-containing 3 (NLRP3) inflammasome activation by reducing the expression levels of NLRP3, apoptosisassociated specklike protein containing a CARD, cleaved caspase-1 and IL-1β by western blot analysis. B-cell lymphoma 6 (BCL6) was confirmed as a target of miR-205-5p by luciferase reporter assay. In conclusion, the present findings suggested that miR-205-5p knockdown may attenuate the inflammatory response in AR by targeting BCL6, which may be a potential therapeutic target for AR.
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Affiliation(s)
- Shuang Zhang
- Department of Otorhinolaryngology, The Second Affiliated Hospital of Shenyang Medical College, Shenyang, Liaoning 110000, P.R. China
| | - Sihan Lin
- Department of Surgical Oncology, The First Hospital of China Medical University, Shenyang, Liaoning 110001, P.R. China
| | - Qiaofei Tang
- Department of Otorhinolaryngology, The Second Affiliated Hospital of Shenyang Medical College, Shenyang, Liaoning 110000, P.R. China
| | - Zhiyong Yan
- Department of Otorhinolaryngology, The Second Affiliated Hospital of Shenyang Medical College, Shenyang, Liaoning 110000, P.R. China
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Luoreng ZM, Yang J, Wang XP, Wei DW, Zan LS. Expression Profiling of microRNA From Peripheral Blood of Dairy Cows in Response to Staphylococcus aureus-Infected Mastitis. Front Vet Sci 2021; 8:691196. [PMID: 34422944 PMCID: PMC8371400 DOI: 10.3389/fvets.2021.691196] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2021] [Accepted: 05/20/2021] [Indexed: 01/17/2023] Open
Abstract
As the main pathogen causing dairy cow mastitis, Staphylococcus aureus can cause subclinical mastitis, which is difficult to be diagnosed. It seriously affects milk quality and the economic benefits of the dairy industry. Therefore, it is very necessary to find biomarkers for early diagnosis of S. aureus-infected mastitis in peripheral blood of dairy cows. In this study, S. aureus was used to infect the mammary gland tissues of dairy cows, and a mastitis model was successfully constructed. The RNAseq technology was used to determine the expression profiles of microRNA (miRNA) from peripheral blood of dairy cows infected with S. aureus at 0, 1, 3, 5, and 7 days. A total of 288 differentially expressed miRNAs (DIE-miRNAs) were found, of which 108 were known miRNAs and 180 were novel predicted miRNAs. Bioinformatics analysis results showed that the above DIE-miRNAs might be involved in 10 immune system-related signaling pathways (i.e., chemokine signaling pathway, leukocyte transendothelial migration, natural killer cell-mediated cytotoxicity, toll-like receptor signaling pathway, Jak-STAT signaling pathway, MAPK signaling pathway, Wnt signaling pathway, cell adhesion molecules, cytokine-cytokine receptor interaction, and ECM-receptor interaction), thus regulating the process of S. aureus mastitis. It was also found that the expression variation of up-regulated expression of miR-320a, miR-19a, and miR-19b as well as down-regulated expression of miR-143, miR-205, and miR-24 reached a significant level on the 5th and 7th day of infection, suggesting that they might play an important biological role in mastitis and provide a direction for the research and development of molecular therapy technology for mastitis. However, at different times after S. aureus infection, miR-1301 was significantly up-regulated in peripheral blood. miR-2284r was significantly down-regulated, suggesting that these two miRNAs might be the new blood biomarkers for S. aureus-infected dairy cow mastitis. The above results laid a new foundation for the research and development of molecular diagnosis and biological therapy technology for S. aureus-infected mastitis in dairy cow.
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Affiliation(s)
- Zhuo-Ma Luoreng
- Key Laboratory of Ruminant Molecular Cell Breeding of Ningxia Hui Autonomous Region, School of Agriculture, Ningxia University, Yinchuan, China
| | - Jian Yang
- Key Laboratory of Ruminant Molecular Cell Breeding of Ningxia Hui Autonomous Region, School of Agriculture, Ningxia University, Yinchuan, China
| | - Xing-Ping Wang
- Key Laboratory of Ruminant Molecular Cell Breeding of Ningxia Hui Autonomous Region, School of Agriculture, Ningxia University, Yinchuan, China
| | - Da-Wei Wei
- Key Laboratory of Ruminant Molecular Cell Breeding of Ningxia Hui Autonomous Region, School of Agriculture, Ningxia University, Yinchuan, China
| | - Lin-Sen Zan
- College of Animal Science and Technology, Northwest A & F University, Yangling, China
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Yang JJ, Zhao YH, Yin KW, Zhang XQ, Liu J. Dexmedetomidine inhibits inflammatory response and oxidative stress through regulating miR-205-5p by targeting HMGB1 in cerebral ischemic/reperfusion. Immunopharmacol Immunotoxicol 2021; 43:478-486. [PMID: 34196265 DOI: 10.1080/08923973.2021.1942901] [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] [Indexed: 02/07/2023]
Abstract
OBJECTIVE To investigate effects of dexmedetomidine (DEX) on miR-205-5p/HMGB1 axis in cerebral ischemic/reperfusion (I/R) injury. METHODS Both in vivo I/R rat model and in vitro hypoxia/reoxygenation (H/R) cell model using rat hippocampal neurons cells were established. miR-205-5p was overexpressed or inhibited by transfection of miR-205-5p mimics or inhibitor. HMGB1 was overexpressed by transfection overexpression plasmids (OE-HMGB1). TTC staining was used for measurement of infraction volume. Oxidative stress was evaluated by measurement of reactive oxygen species (ROS), malondialdehyde (MDA) and superoxide dismutase (SOD) and inflammation was evaluated by measurement of IL-1β, IL-6 and TNF-α. Dual luciferase reporter assay was performed to confirm binding between miR-205-5p and HMGB1. The expression levels of miR-205-5p, and HMGB1 were measured using RT-qPCR. Western blotting was used to test the protein expression levels of HMGB1, nuclear factor erythroid 2-related factor 2 (Nrf2), glutathione peroxidase (GPx), glutathione reductase (GR), heme oxygenase 1 (HO-1) and catalase (CAT). RESULTS Treatment of DEX significantly reduced brain infraction volume, decreased Longa's neurological function score and inhibited oxidative stress and inflammation in brain tissues of I/R rats, which were all reversed by inhibition of miR-205-5p. Both treatment of DEX or overexpression of miR-205-5p restricted oxidative stress and inflammation in H/R rat hippocampal neurons cells. The inhibition of miR-205-5p reversed the effects of DEX, while the overexpression of HMGB1 reversed the effects of miR-205-5p overexpression in H/R rat hippocampal neurons cells. Dual luciferase reporter assay showed miR-205-5p directly targeted HMGB1. CONCLUSION DEX improved I/R injury by suppressing brain oxidative stress and inflammation DEX improved I/R injury by suppressing brain oxidative stress and inflammation through activating miR-205-5p/HMGB1 axis through activating miR-205-5p/HMGB1 axis.
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Affiliation(s)
- Jun-Jun Yang
- Department of Anesthesiology, Tongji Hospital, Tongji University, Shanghai, China
| | - Yan-Hong Zhao
- Department of Anesthesiology, Tongji Hospital, Tongji University, Shanghai, China
| | - Ke-Wen Yin
- Department of Anesthesiology, Tongji Hospital, Tongji University, Shanghai, China
| | - Xiao-Qing Zhang
- Department of Anesthesiology, Tongji Hospital, Tongji University, Shanghai, China
| | - Jianhui Liu
- Department of Anesthesiology, Tongji Hospital, Tongji University, Shanghai, China
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Garcia de Durango CR, Monteiro MN, Bijnsdorp IV, Pham TV, De Wit M, Piersma SR, Knol JC, Pérez-Gordo M, Fijneman RJA, Vidal-Vanaclocha F, Jimenez CR. Lipopolysaccharide-regulated secretion of soluble and vesicle-based proteins from a panel of colorectal cancer cell lines. Proteomics Clin Appl 2021; 15:e1900119. [PMID: 33587312 DOI: 10.1002/prca.201900119] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2019] [Revised: 11/15/2020] [Accepted: 12/22/2020] [Indexed: 01/02/2023]
Abstract
PURPOSE To mimic the perioperative microenvironment where bacterial products get in contact with colorectal cancer (CRC) cells and study its impact on protein release, we exposed six CRC cell lines to lipopolysaccharide (LPS) and investigated the effect on the secretome using in-depth mass spectrometry-based proteomics. EXPERIMENTAL DESIGN Cancer cell secretome was harvested in bio-duplicate after LPS treatment, and separated in EV and soluble secretome (SS) fractions. Gel-fractionated proteins were analysed by label-free nano-liquid chromatography coupled to tandem mass spectrometry. NF-κB activation, triggered upon LPS treatment, was evaluated. RESULTS We report a CRC secretome dataset of 5601 proteins. Comparison of all LPS-treated cells with controls revealed 37 proteins with altered abundance in the SS, including RPS25; and 13 in EVs, including HMGB1. Comparing controls and LPS-treated samples per cell line, revealed 564 significant differential proteins with fold-change >3. The LPS-induced release of RPS25 was validated by western blot. CONCLUSIONS AND CLINICAL RELEVANCE Bacterial endotoxin has minor impact on the global CRC cell line secretome, yet it may alter protein release in a cell line-specific manner. This modulation might play a role in orchestrating the development of a permissive environment for CRC liver metastasis, especially through EV-communication.
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Affiliation(s)
- Cira R Garcia de Durango
- Instituto de Medicina Molecular Aplicada, Universidad CEU San Pablo, Pathology Institute Munich, DKTK Partner Site, Madrid, Munich, Spain, Germany
| | - Madalena N Monteiro
- Medical Oncology, Cancer Center Amsterdam, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam, Netherlands
| | - Irene V Bijnsdorp
- Department of Urology, Cancer Center Amsterdam, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam, Netherlands
| | - Thang V Pham
- Medical Oncology, Cancer Center Amsterdam, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam, Netherlands
| | - Meike De Wit
- Department of Urology, Cancer Center Amsterdam, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam, Netherlands
| | - Sander Rogier Piersma
- Medical Oncology, Cancer Center Amsterdam, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam, Netherlands
| | - Jaco C Knol
- Medical Oncology, Cancer Center Amsterdam, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam, Netherlands
| | - Marina Pérez-Gordo
- Instituto de Medicina Molecular Aplicada, Universidad CEU San Pablo, Pathology Institute Munich, DKTK Partner Site, Madrid, Munich, Spain, Germany
| | - Remond J A Fijneman
- Department of Pathology, The Netherlands Cancer Institute, Amsterdam, The Netherlands
| | - Fernando Vidal-Vanaclocha
- Valencia Institute of Pathology (IVP), Catholic University of Valencia School of Medicine and Odontology, Valencia, Spain
| | - Connie R Jimenez
- Medical Oncology, Cancer Center Amsterdam, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam, Netherlands
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Jiang Y, Zhang W. LncRNA ZFAS1 plays a role in regulating the inflammatory responses in sepsis-induced acute lung injury via mediating miR-193a-3p. INFECTION GENETICS AND EVOLUTION 2021; 92:104860. [PMID: 33848686 DOI: 10.1016/j.meegid.2021.104860] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 01/04/2021] [Revised: 02/24/2021] [Accepted: 04/08/2021] [Indexed: 12/31/2022]
Abstract
OBJECTIVE To explore the role of lncRNA ZFAS1-mediated miR-193a-3p in the regulation of inflammatory responses in rats with sepsis-induced acute lung injury (ALI). METHODS Sepsis-induced ALI models were constructed by LPS induction and then injected with ZFAS1 overexpression plasmid. Thereafter, lung injury score and the W/D weight ratio were calculated. Besides, bronchoalveolar lavage fluid (BALF) was isolated from rats to perform the cell count and protein quantification, while qRT-PCR and ELISA were performed to detect the inflammatory cytokines expressions. In vitro, NR8383 cells were transfected and then treated with LPS, followed by the measurement of inflammatory cytokines, cell viability and cell apoptosis. RESULTS In comparison with the Control group, rats in the LPS group presented sharp increases in the W/D weight ratio and injury score of lung, total protein concentration and the count of neutrophils and macrophages in BALF. Besides, rats in LPS group also resulted in a decrease in ZFAS1 expression and increase in miR-193a-3p expression in lung tissues, with the increased pro-inflammatory cytokines. Dual luciferase reporter gene assay confirmed a target relation between miR-193a-3p and ZFAS1. As compared to the Blank group, NR8383 cells in the LPS group had up-regulated pro-inflammatory cytokines with declined cell viability and elevated cell apoptosis; and meanwhile, ZFAS1 and Bcl-2 were decreased but miR-193a-3p and Bax were increased. Overexpression of ZFAS1 could significantly improve LPS-induced ALI in vivo and in vitro with reduced levels of pro-inflammatory cytokines. CONCLUSION Overexpression of ZFAS1, possibly via targeting the expression of miR-193a-3p, could inhibit the apoptosis and ameliorate the inflammatory responses of ALI in sepsis.
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Affiliation(s)
- Yan Jiang
- Department of Critical Care Medicine, Yantaishan Hospital, Yantai 264001, China
| | - Wei Zhang
- Department of Critical Care Medicine, Yantaishan Hospital, Yantai 264001, China.
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12
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Reale M, Costantini E. Cholinergic Modulation of the Immune System in Neuroinflammatory Diseases. Diseases 2021; 9:diseases9020029. [PMID: 33921376 PMCID: PMC8167596 DOI: 10.3390/diseases9020029] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2021] [Revised: 04/08/2021] [Accepted: 04/09/2021] [Indexed: 02/06/2023] Open
Abstract
Frequent diseases of the CNS, such as Alzheimer’s disease, Parkinson’s disease, multiple sclerosis, and psychiatric disorders (e.g., schizophrenia), elicit a neuroinflammatory response that contributes to the neurodegenerative disease process itself. The immune and nervous systems use the same mediators, receptors, and cells to regulate the immune and nervous systems as well as neuro-immune interactions. In various neurodegenerative diseases, peripheral inflammatory mediators and infiltrating immune cells from the periphery cause exacerbation to current injury in the brain. Acetylcholine (ACh) plays a crucial role in the peripheral and central nervous systems, in fact, other than cells of the CNS, the peripheral immune cells also possess a cholinergic system. The findings on peripheral cholinergic signaling, and the activation of the “cholinergic anti-inflammatory pathway” mediated by ACh binding to α7 nAChR as one of the possible mechanisms for controlling inflammation, have restarted interest in cholinergic-mediated pathological processes and in the new potential therapeutic target for neuro-inflammatory-degenerative diseases. Herein, we focus on recent progress in the modulatory mechanisms of the cholinergic anti-inflammatory pathway in neuroinflammatory diseases.
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Affiliation(s)
- Marcella Reale
- Department of Innovative Technologies in Medicine and Dentistry, University “G.d’Annunzio”, 65122 Chieti-Pescara, Italy
- Correspondence:
| | - Erica Costantini
- Department of Medical, Oral and Biotechnological Science, University “G.d’Annunzio”, 65122 Chieti-Pescara, Italy;
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Li X, Li R, Gong Q, Shi D, Song L, Song Y. Circular RNA circVMA21 ameliorates lipopolysaccharide (LPS)-induced acute kidney injury by targeting the miR-199a-5p/NRP1 axis in sepsis. Biochem Biophys Res Commun 2021; 548:174-181. [PMID: 33647793 DOI: 10.1016/j.bbrc.2021.02.028] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2021] [Accepted: 02/06/2021] [Indexed: 12/21/2022]
Abstract
BACKGROUND Sepsis is a serious and elusive syndrome caused by infection, with high mortality worldwide. Circular RNAs vacuolar ATPase assembly factor (circVMA21) has been reported to be related to the inflammatory damages in sepsis. This study is designed to explore the role and mechanism of circVMA21 in the lipopolysaccharide (LPS)-induced cell injury in sepsis. METHODS Cell viability and apoptosis were detected by CCK-8, and flow cytometry assays. CircVMA21, microRNA-199a-5p (miR-199a-5p), and Neuropilin-1 (NRP1) level were determined by RT-qPCR. Protein levels of Bcl-2, Bax, cleaved-caspase 3, and NRP1 were examined by Western blot assay. IL-1β, IL-6, and TNF-α were detected using ELISA. Superoxide Dismutase (SOD) and glutathione (GSH) were measured by the special kits. The binding relationship between miR-199a-5p and circVMA21 or NRP1 was predicted by Starbase 3.0 and then verified by a dual-luciferase reporter and RIP assays. RESULTS CircVMA21 and NRP1 were decreased, and miR-199a-5p was increased in LPS-induced THP-1 cells. Moreover, circVMA21 overexpression could repress LPS-mediated cell viability, apoptosis, inflammation, and oxidative stress in THP-1 cells. The mechanical analysis suggested that circVMA21 regulated NRP1 expression through sponging miR-199a-5p. CONCLUSION CircVMA21 upregulation could attenuate LPS-triggered THP-1 cell injury through modulating the miR-199a-5p/NRP1 axis, hinting an underlying therapeutic strategy for sepsis patients.
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Affiliation(s)
- Ximei Li
- Department of Intensive Medicine, Shanxi Provincial Peoples Hospital, Taiyuan City, Shanxi Province, China.
| | - Rongshan Li
- Department of Nephrology Medicine, Shanxi Provincial Peoples Hospital, Taiyuan City, Shanxi Province, China
| | - Qingmei Gong
- Department of Intensive Medicine, Shanxi Provincial Peoples Hospital, Taiyuan City, Shanxi Province, China
| | - Dongwu Shi
- Department of Intensive Medicine, Shanxi Provincial Peoples Hospital, Taiyuan City, Shanxi Province, China
| | - Lu Song
- Department of Intensive Medicine, Shanxi Provincial Peoples Hospital, Taiyuan City, Shanxi Province, China
| | - Yu Song
- Department of Intensive Medicine, Shanxi Provincial Peoples Hospital, Taiyuan City, Shanxi Province, China
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14
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MAR1 suppresses inflammatory response in LPS-induced RAW 264.7 macrophages and human primary peripheral blood mononuclear cells via the SIRT1/PGC-1α/PPAR-γ pathway. JOURNAL OF INFLAMMATION-LONDON 2021; 18:8. [PMID: 33557833 PMCID: PMC7869219 DOI: 10.1186/s12950-021-00271-x] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/22/2020] [Accepted: 01/21/2021] [Indexed: 12/21/2022]
Abstract
Background Sepsis is a complex syndrome characterized by a dysregulated inflammatory response to systemic infection and leads to shock, multiple organ failure and death especially if not recognized early and treated promptly. Previous studies have suggested Maresin 1 (MAR1) can alleviate systemic inflammation in sepsis, but its mechanism has not been clarified. Methods RAW 264.7 cells and human primary peripheral blood mononuclear cells (hPBMCs) were pretreated with LPS and MAR1. The mRNA expression and supernatant levels of pro-inflammatory cytokines, tumor necrosis factor (TNF-α), interleukin (IL)-1β and IL-6 were evaluated by RT-qPCR and ELISA, respectively. The expression levels of Sirtuin 1 (SIRT1), peroxisome proliferator-activated receptor γ coactivator-1α (PGC-1α), and Peroxisome proliferator-activated receptor gamma (PPAR-γ) were determined by RT-qPCR and Western blot analysis, respectively. Results Our results show that LPS-induced inflammation increased the expression and secretion of proinflammatory cytokines TNF-α, IL-1β and IL-6 and induced suppression of SIRT1, PGC-1α, and PPAR-γ expression, which could be reversed by MAR1. And the effect of MAR1 was eliminated by repression of SIRT1/PPAR-γ and enhanced by PGC-1α overexpression. Conclusions MAR1 suppressed inflammatory response in LPS-induced RAW 264.7 macrophages and hPBMCs via the SIRT1/PGC-1α/PPAR-γ pathway.
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15
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Shomali N, Mahmoodpoor A, Abbas Abad AN, Marofi F, Akbari M, Xu H, Sandoghchian Shotorbani S. The Relationship between Extracellular/intracellular microRNAs and TLRs May Be Used as a Diagnostic and Therapeutic Approach in Sepsis. Immunol Invest 2020; 51:154-169. [PMID: 33054447 DOI: 10.1080/08820139.2020.1817067] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
One of the leading causes of death in the intensive care unit (ICU) is sepsis. Different studies have been performed on different markers to determine the cause of sepsis. microRNAs (miRNAs) are non-coding RNAs that can be released both inside and outside the cell and regulate the target gene expression by binding to the 3' untranslated region (3'UTR) of the target genes. TLRs play an important role in innate immunity that can be modulated by biological markers such as microRNAs. In this study, we summarized the recent progress on the role of extracellular and intracellular microRNAs in sepsis. It has also been focused on the association of TLRs with extracellular and intracellular micro RNAs in the regulation of sepsis. In conclusion, this study has provided new insight into the role of microRNAs as a regulator of the TLRs which may lead to the aberrant inflammatory response in sepsis. Therefore, it suggests that both intracellular and extracellular microRNAs may play a therapeutic role in the treatment of sepsis via regulating TLRs. However, yet sepsis and septic shock are medical emergencies and further studies are needed to specify the exact role of microRNAs and TLRs in sepsis.
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Affiliation(s)
- Navid Shomali
- Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran.,Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.,Department of Immunology, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Ata Mahmoodpoor
- Department of Anesthesiology and Intensive Care Medicine, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran.,Cardiovascular Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | | | - Faroogh Marofi
- Department of Hematology, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Morteza Akbari
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Huaxi Xu
- Department of Immunology, Jiangsu University, Zhenjiang, China
| | - Siamak Sandoghchian Shotorbani
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.,Department of Immunology, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran.,Department of Immunology, Jiangsu University, Zhenjiang, China
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16
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Hashemian SM, Pourhanifeh MH, Fadaei S, Velayati AA, Mirzaei H, Hamblin MR. Non-coding RNAs and Exosomes: Their Role in the Pathogenesis of Sepsis. MOLECULAR THERAPY. NUCLEIC ACIDS 2020; 21:51-74. [PMID: 32506014 PMCID: PMC7272511 DOI: 10.1016/j.omtn.2020.05.012] [Citation(s) in RCA: 106] [Impact Index Per Article: 26.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/28/2020] [Revised: 03/16/2020] [Accepted: 05/11/2020] [Indexed: 12/12/2022]
Abstract
Sepsis is characterized as an uncontrolled host response to infection, and it represents a serious health challenge, causing excess mortality and morbidity worldwide. The discovery of sepsis-related epigenetic and molecular mechanisms could result in improved diagnostic and therapeutic approaches, leading to a reduced overall risk for affected patients. Accumulating data show that microRNAs, non-coding RNAs, and exosomes could all be considered as novel diagnostic markers for sepsis patients. These biomarkers have been demonstrated to be involved in regulation of sepsis pathophysiology. However, epigenetic modifications have not yet been widely reported in actual clinical settings, and further investigation is required to determine their importance in intensive care patients. Further studies should be carried out to explore tissue-specific or organ-specific epigenetic RNA-based biomarkers and their therapeutic potential in sepsis patients.
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Affiliation(s)
- Seyed MohammadReza Hashemian
- Chronic Respiratory Diseases Research Center (CRDRC), National Research Institute of Tuberculosis and Lung Diseases (NRITLD), Shahid Beheshti University of Medical Sciences, Tehran, Iran; Clinical Tuberculosis and Epidemiology Research Center, National Research Institute of Tuberculosis and Lung Disease, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | | | - Sara Fadaei
- Chronic Respiratory Diseases Research Center (CRDRC), National Research Institute of Tuberculosis and Lung Diseases (NRITLD), Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Ali Akbar Velayati
- Chronic Respiratory Diseases Research Center (CRDRC), National Research Institute of Tuberculosis and Lung Diseases (NRITLD), Shahid Beheshti University of Medical Sciences, Tehran, Iran; Clinical Tuberculosis and Epidemiology Research Center, National Research Institute of Tuberculosis and Lung Disease, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Hamed Mirzaei
- Research Center for Biochemistry and Nutrition in Metabolic Diseases, Institute for Basic Sciences, Kashan University of Medical Sciences, Kashan, Iran.
| | - Michael R Hamblin
- Wellman Center for Photomedicine, Massachusetts General Hospital, Harvard Medical School, 40 Blossom Street, Boston, MA 02114, USA; Laser Research Centre, Faculty of Health Science, University of Johannesburg, Doornfontein 2028, South Africa.
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17
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miR-199a-5p Exacerbated Intestinal Barrier Dysfunction through Inhibiting Surfactant Protein D and Activating NF- κB Pathway in Sepsis. Mediators Inflamm 2020; 2020:8275026. [PMID: 32508527 PMCID: PMC7251462 DOI: 10.1155/2020/8275026] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2019] [Revised: 04/02/2020] [Accepted: 04/07/2020] [Indexed: 12/17/2022] Open
Abstract
Sepsis is a severe disease, which results from the excessive inflammatory response to the infection. Dysfunction of intestinal barrier is a crucial problem in various pathological conditions. Meanwhile, microRNAs exhibit significant roles in the modulation of many diseases, including sepsis. Multiple investigations indicate that miR-199a-5p participates in different human diseases. Nevertheless, little is known on the roles of miR-199a-5p in sepsis. Herein, we evaluated the mechanism of miR-199a-5p on the intestinal barrier dysfunction in sepsis. Intestinal mucosa permeability indicators including D-lactic acid, DAO, and FD-40 levels were determined, and they were greatly increased in sepsis. Then, we proved that miR-199a-5p was induced in sepsis mice tissues and isolated intestinal epithelial cells. Moreover, miR-199a-5p increased D-lactic acid, DAO, and FD-40 while inhibition of miR-199a-5p exhibited a reversed process. Additionally, we observed that miR-199a-5p affected the oxidative damage and inflammation in the intestine tissues from sepsis mice. The content of MDA was elevated whereas SOD was remarkably repressed in the miR-199a-5p mimic group. IL-6, IL-1β, and TNF-α were induced by miR-199a-5p overexpression while IL-10 was reduced by miR-199a-5p. Subsequently, surfactant protein D (SP-D) was predicted as the target of miR-199a-5p. The activation of NF-κB has been identified in sepsis. Herein, we demonstrated that inhibitor of miR-199a-5p contributed to IEC injury via targeting SP-D and inactivating the NF-κB pathway. These revealed miR-199a-5p exacerbated the intestinal barrier dysfunction via inhibiting SP-D and activating the NF-κB pathway in sepsis.
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18
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Yu X, Chen X, Sun T. MicroRNA-205-5p Targets HMGB1 to Suppress Inflammatory Responses during Lung Injury after Hip Fracture. BIOMED RESEARCH INTERNATIONAL 2019; 2019:7304895. [PMID: 31886244 PMCID: PMC6925689 DOI: 10.1155/2019/7304895] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/03/2019] [Accepted: 11/05/2019] [Indexed: 12/18/2022]
Abstract
Hip fracture is the most common type of injury in elderly people and is associated with a high incidence of complications and risk of mortality. In these patients, subsequent pulmonary infection can contribute to the development of an acute lung injury, a consequence of the systemic inflammatory response induced by hip fracture. Although the crucial role of microRNAs (miRNAs) in inflammatory responses has been established, the functions of miRNAs in the inflammatory responses associated with lung injury after hip fracture remain poorly understood. In this study, we explored the potential role of miR-205-5p in lung injury after hip fracture in an in vivo hip fracture model and in vitro cultures of human pulmonary alveolar epithelial cells (HPAEpiC). An analysis of clinical serum samples revealed increased levels of miR-205-5p and high mobility group box 1 (HMGB1) after hip fracture. A bioinformatics analysis and dual-luciferase reporter assay identified HMGB1 as a potential target of miR-205-5p. The overexpression of miR-205-5p clearly reduced the expression of HMGB1 and inhibited NF-κB signaling, apoptosis, and proinflammatory cytokine production while enabling continued cell proliferation. Our results demonstrate that the upregulation of miR-205-5p suppresses inflammatory responses and promotes cell viability and proliferation by selectively targeting HMGB1 in the context of lung injury after hip fracture. Therefore, miR-205-5p may be an alternative target of therapeutic strategies for lung injury after hip fracture.
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Affiliation(s)
- Xiaojie Yu
- Department of Orthopaedics, The Second School of Clinical Medicine, Southern Medical University, Guangzhou, Guangdong 510515, China
| | - Xiaobin Chen
- Chinese PLA General Hospital, Medical Center 7, Department of Orthopedic Surgery, Beijing 100700, China
| | - Tiansheng Sun
- Department of Orthopaedics, The Second School of Clinical Medicine, Southern Medical University, Guangzhou, Guangdong 510515, China
- Chinese PLA General Hospital, Medical Center 7, Department of Orthopedic Surgery, Beijing 100700, China
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19
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Lin Y, Ding Y, Song S, Li M, Wang T, Guo F. Expression patterns and prognostic value of miR-210, miR-494, and miR-205 in middle-aged and old patients with sepsis-induced acute kidney injury. Bosn J Basic Med Sci 2019; 19:249-256. [PMID: 30997877 DOI: 10.17305/bjbms.2019.4131] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2019] [Accepted: 02/27/2019] [Indexed: 12/21/2022] Open
Abstract
Septic patients suffer a 'cytokine storm' from proinflammatory cytokines, chemokines and other inflammatory mediators, resulting in acute kidney injury (AKI) and death. The purpose of the present study was to determine the expression patterns of microRNA-210 (miR-210), miR-494, and miR-205 in middle-aged and old patients with sepsis-induced AKI and to evaluate their association with patient prognosis. Serum blood urea nitrogen (BUN), creatinine (Cr) and cystatin C levels were determined in peripheral venous blood collected from 110 patients with sepsis-induced AKI and 110 healthy controls. The expression profile of 30 miRNAs was analyzed by TaqMan low-density array (TLDA) in plasma samples from patients and controls. Association of miRNAs with prognosis and survival of patients was analyzed by Spearman's rank correlation coefficient, Cox multivariate analysis, and ROC curve analysis. TILDA analysis showed 11 upregulated and 11 downregulated miRNAs in patients with sepsis-induced AKI. MiR-210 and miR-494 were the most upregulated and miR-205 was the most downregulated miRNA. High expression of miR-210 and miR-494 was positively correlated with BUN, Cr and cystatin C levels of patients, while low expression of miR-205 was negatively correlated. MiR-210 and miR-494 expression was significantly decreased and miR-205 expression was increased in survivors with sepsis-induced AKI (28-day survival, n = 68) vs. non-survivors (n = 42). BUN, Cr, and miR-205 were independent risk factors for prognosis in sepsis-induced AKI. Our study showed the predictive value of miR-210, miR-494, and miR-205 in prognosis and survival of patients with sepsis-induced AKI. MiR-205 is an independent risk factor for sepsis-induced AKI and its decreased expression is associated with shorter patient survival.
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Affiliation(s)
- Yongjun Lin
- Department of Intensive Care Unit, Sir Run Run Shaw Hospital, Medicine School of Zhejiang University, Hangzhou, China.
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20
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Du X, Wei J, Tian D, Wu M, Yan C, Hu P, Wu X, Yang W, Yin T. miR‐182‐5p contributes to intestinal injury in a murine model of
Staphylococcus aureus
pneumonia‐induced sepsis via targeting surfactant protein D. J Cell Physiol 2019; 235:563-572. [PMID: 31318050 DOI: 10.1002/jcp.28995] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2019] [Revised: 05/31/2019] [Accepted: 06/04/2019] [Indexed: 02/06/2023]
Affiliation(s)
- Xianjin Du
- Department of Emergency Renmin Hospital of Wuhan University Wuhan Hubei China
| | - Jie Wei
- Department of Emergency Renmin Hospital of Wuhan University Wuhan Hubei China
| | - Dan Tian
- Department of Emergency Renmin Hospital of Wuhan University Wuhan Hubei China
| | - Miao Wu
- Department of Emergency Renmin Hospital of Wuhan University Wuhan Hubei China
| | - Chen Yan
- Department of Emergency Renmin Hospital of Wuhan University Wuhan Hubei China
| | - Peng Hu
- Department of Emergency Renmin Hospital of Wuhan University Wuhan Hubei China
| | - Xu Wu
- Department of Emergency Renmin Hospital of Wuhan University Wuhan Hubei China
| | - Wenbin Yang
- Department of Emergency Renmin Hospital of Wuhan University Wuhan Hubei China
| | - Tailang Yin
- Reproductive Medicine Center Renmin Hospital of Wuhan University Wuhan Hubei China
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21
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Qiao J, Chen L, Huang X, Guo F. Effects of nebulized
N
‐acetylcystein on the expression of HMGB1 and RAGE in rats with hyperoxia‐induced lung injury. J Cell Physiol 2018; 234:10547-10553. [PMID: 30480814 DOI: 10.1002/jcp.27724] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2018] [Accepted: 10/18/2018] [Indexed: 01/08/2023]
Affiliation(s)
- Junying Qiao
- Department of Pediatrics Third Affiliated Hospital of Zhengzhou University Zhengzhou China
| | - Lixia Chen
- Department of Pediatrics Third Affiliated Hospital of Zhengzhou University Zhengzhou China
| | - Xianjie Huang
- Department of Pediatrics Third Affiliated Hospital of Zhengzhou University Zhengzhou China
| | - Feifei Guo
- Department of Pediatrics Third Affiliated Hospital of Zhengzhou University Zhengzhou China
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22
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Zheng G, Qu H, Li F, Ma W, Yang H. Propofol attenuates sepsis-induced acute kidney injury by regulating miR-290-5p/CCL-2 signaling pathway. ACTA ACUST UNITED AC 2018; 51:e7655. [PMID: 30328934 PMCID: PMC6190213 DOI: 10.1590/1414-431x20187655] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2018] [Accepted: 08/13/2018] [Indexed: 11/22/2022]
Abstract
Previous studies have indicated that propofol has immunomodulatory and antioxidative properties. However, the renoprotection effect and the precise mechanisms of propofol in sepsis-induced renal injury remain unclear. The purpose of the present study was to investigate the role of miR-290-5p/CCL-2 signaling in septic mice treatment with propofol. Mice were treated with propofol (50 mg/kg) twice within 24 h. Survival outcome was monitored within 48 h. The mRNA and protein levels were assayed by qRT-PCR and western blotting, respectively. Mouse podocytes (MPC5) were treated with lipopolysaccharide (LPS) to establish the cell model in vitro. The proliferation of MPC5 was monitored using the MTS assay. Cell apoptosis was analyzed by flow cytometry. Propofol improved survival outcome and alleviated acute kidney injury in cecal ligation and puncture-operated mice. Propofol increased miR-290-5p expression and decreased CCL-2 and inflammatory cytokines levels in the kidney for septic mice. We found that miR-290-5p was a direct regulator of CCL-2 in MPC5. Propofol could abrogate LPS-induced growth inhibition and apoptosis in MPC5. Meanwhile, propofol inhibited CCL-2 expression in LPS-treated MPC5, however, knockdown of miR-290-5p abrogated the inhibitory effect propofol on the mRNA and protein expressions of CCL-2. Propofol could serve as an effective therapeutic medication to suppress sepsis-induced renal injury in vivo and in vitro by regulating the miR-290-5p/CCL-2 signaling pathway.
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Affiliation(s)
- Guodong Zheng
- Department of Critical Care Medicine, Third Affiliated Hospital of Southern Medical University, Guangzhou, China
| | - Hong Qu
- Department of Hematology, Guangzhou Panyu Central Hospital, Guangzhou, China
| | - Fen Li
- Department of Critical Care Medicine, Third Affiliated Hospital of Southern Medical University, Guangzhou, China
| | - Weiquan Ma
- Department of Critical Care Medicine, Third Affiliated Hospital of Southern Medical University, Guangzhou, China
| | - Hong Yang
- Department of Critical Care Medicine, Third Affiliated Hospital of Southern Medical University, Guangzhou, China
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23
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Harikrishnan H, Jantan I, Haque MA, Kumolosasi E. Anti-Inflammatory Effects of Hypophyllanthin and Niranthin Through Downregulation of NF-κB/MAPKs/PI3K-Akt Signaling Pathways. Inflammation 2018; 41:984-995. [PMID: 29427163 DOI: 10.1007/s10753-018-0752-4] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
Hypophyllanthin (HYP) and niranthin (NIR) are major lignans in Phyllanthus spp. and have been shown to possess strong anti-inflammatory activity. In this study, we investigated the anti-inflammatory effects and the underlying molecular mechanisms of HYP and NIR in in vitro cellular model of LPS-induced U937 macrophages. The effects of HYP and NIR on the production of prostaglandin E2 (PGE2), cyclooxygenase-2 (COX-2), tumor necrosis factor-α (TNF-α), and interleukin-1β (IL-1β) were measured by using ELISA, Western blot, and qRT-PCR. The expressions of signaling molecules related to nuclear factor-kappa B (NF-κB), mitogen-activated protein kinases (MAPKs), and phosphatidylinositol 3'-kinase-Akt (PI3K-Akt) signaling pathways were examined. The role of NF-κB, MAPKs, and Akt signaling pathways was confirmed by using specific inhibitors (BAY 11-7082, U0126, SB202190, SP600125, and LY294002) mediated suppression of TNF-α and COX-2 production. HYP and NIR significantly inhibited the protein and gene levels of COX-2 as well as the downstream signaling products of PGE2, TNF-α, and IL-1β. HYP and NIR also suppressed the inhibitors of kappa B (IκB), IkB kinases (Ikkα/β), NF-κB phosphorylation, and IκB degradation. HYP suppressed the phosphorylation of c-Jun N-terminal kinase (JNK), extracellular signal-regulated kinase (ERK), and p38 while NIR only suppressed JNK and ERK but did not have effect on p38. These results demonstrate that HYP and NIR downregulated COX-2, TNF-α, and IL-1β gene expressions in U937 macrophages by interfering with the activation of NF-κB, MAPKs, and Akt. In conclusion, these lignans have potential to be developed as anti-inflammatory agents targeting the NF-κB, MAPK, and PI3K-Akt pathways.
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Affiliation(s)
- Hemavathy Harikrishnan
- Drug and Herbal Research Center, Faculty of Pharmacy, Universiti Kebangsaan Malaysia, Jalan Raja Muda Abdul Aziz, 50300, Kuala Lumpur, Malaysia
| | - Ibrahim Jantan
- Drug and Herbal Research Center, Faculty of Pharmacy, Universiti Kebangsaan Malaysia, Jalan Raja Muda Abdul Aziz, 50300, Kuala Lumpur, Malaysia.
| | - Md Areeful Haque
- Drug and Herbal Research Center, Faculty of Pharmacy, Universiti Kebangsaan Malaysia, Jalan Raja Muda Abdul Aziz, 50300, Kuala Lumpur, Malaysia
| | - Endang Kumolosasi
- Drug and Herbal Research Center, Faculty of Pharmacy, Universiti Kebangsaan Malaysia, Jalan Raja Muda Abdul Aziz, 50300, Kuala Lumpur, Malaysia
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24
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Zhu C, Chen T, Liu B. Inhibitory effects of miR-25 targeting HMGB1 on macrophage secretion of inflammatory cytokines in sepsis. Oncol Lett 2018; 16:5027-5033. [PMID: 30250569 PMCID: PMC6144916 DOI: 10.3892/ol.2018.9308] [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: 09/09/2017] [Accepted: 02/23/2018] [Indexed: 01/07/2023] Open
Abstract
High mobility group box 1 (HMGB1) can promote the migration of macrophages and the release of inflammatory cytokines, functions associated with the occurrence of sepsis. The role of microRNA (miR)-25 in the targeted regulation of HMGB1 expression and the release of macrophage inflammatory cytokines remains uncharacterized. The present study investigated the association between miR-25, HMGB1 and sepsis by analyzing the expression of miR-25 and HMGB1 in patients with sepsis. The present study also investigated whether miR-25 serves a role in targeting the regulation of HMGB1 expression and macrophage inflammatory factor release. Patients with sepsis were selected from the Intensive Care Unit, and serum levels of HMGB1. The expression of miR-25 and HMGB1 in serum and peripheral blood mononuclear cells (PBMCs) was compared. Macrophages were cultured in vitro and divided into 5 groups following treatment with lipopolysaccharide (LPS). The expression levels of miR-25, HMGB1, phosphorylated (p-)p65, tumor necrosis factor-α (TNF-α), interleukin-6 (IL-6) and HMGB-1 were compared, and the migration ability of cells was investigated by Transwell assays. Compared with the healthy controls, patients with sepsis exhibited elevated expression of HMGB1 and decreased expression of miR-25 in serum and PBMCs. Following treatment with LPS, the expression of HMGB1 and p-p65 was elevated, and the expression of miR-25 was decreased in macrophages compared with untreated cells. Following transfection with miR-25 mimics and/or short interfering RNA-HMGB1, the expression of HMGB1 in macrophages decreased significantly, the expression of p-p65, HMGB-1, TNF-α and IL-6 in the culture solution were also decreased, and the migration ability of macrophages was attenuated. The present study suggests that miR-25 attenuated the induction of HMGB1 by LPS, decreased the activity of nuclear factor-κB and the transcriptional activation of TNF-α and IL-6, and suppressed the migration of macrophages. Inhibiting expression of miR-25 may serve a role in upregulating HMGB1 expression, promoting the secretion of inflammatory cytokines and resulting in sepsis.
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Affiliation(s)
- Chunyan Zhu
- Intensive Care Unit, Anhui Provincial Hospital Affiliated to Anhui Medical University, Hefei, Anhui 230032, P.R. China
| | - Ting Chen
- Intensive Care Unit, The Second People's Hospital of Hefei, Hefei, Anhui 230032, P.R. China
| | - Bao Liu
- Intensive Care Unit, Anhui Provincial Hospital Affiliated to Anhui Medical University, Hefei, Anhui 230032, P.R. China
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25
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Hattori Y, Hattori K, Suzuki T, Palikhe S, Matsuda N. Nucleic-acid based gene therapy approaches for sepsis. Eur J Pharmacol 2018; 833:403-410. [PMID: 29935173 DOI: 10.1016/j.ejphar.2018.06.031] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2018] [Revised: 06/06/2018] [Accepted: 06/19/2018] [Indexed: 12/15/2022]
Abstract
Despite advances in overall medical care, sepsis and its sequelae continue to be an embarrassing clinical entity with an unacceptably high mortality rate. The central reason for high morbidity and high mortality of sepsis and its sequelae is the lack of an effective treatment. Previous clinical trials have largely failed to identify an effective therapeutic target to improve clinical outcomes in sepsis. Thus, the key goal favoring the outcome of septic patients is to devise innovative and evolutionary therapeutic strategies. Gene therapy can be considered as one of the most promising novel therapeutic approaches for nasty disorders. Since a number of transcription factors, such as nuclear factor-κB (NF-κB) and activator protein-1 (AP-1), play a pivotal role in the pathophysiology of sepsis that can be characterized by the induction of multiple genes and their products, sepsis may be regarded as a gene-related disorder and gene therapy may be considered a promising novel therapeutic approach for treatment of sepsis. In this review article, we provide an up-to-date summary of the gene-targeting approaches, which have been developed in animal models of sepsis. Our review sheds light on the molecular basis of sepsis pathology for the development of novel gene therapy approaches and leads to the conclusion that future research efforts may fully take into account gene therapy for the treatment of sepsis.
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Affiliation(s)
- Yuichi Hattori
- Department of Molecular and Medical Pharmacology, Graduate School of Medicine and Pharmaceutical Sciences, University of Toyama, 2630 Sugitani, Toyama 930-0194, Japan.
| | - Kohshi Hattori
- Department of Anesthesiology and Pain Relief Center, The University of Tokyo Hospital, Tokyo 113-8655, Japan
| | - Tokiko Suzuki
- Department of Molecular and Medical Pharmacology, Graduate School of Medicine and Pharmaceutical Sciences, University of Toyama, 2630 Sugitani, Toyama 930-0194, Japan
| | - Sailesh Palikhe
- Department of Molecular and Medical Pharmacology, Graduate School of Medicine and Pharmaceutical Sciences, University of Toyama, 2630 Sugitani, Toyama 930-0194, Japan
| | - Naoyuki Matsuda
- Department of Emergency and Critical Care Medicine, Nagoya University Graduate School of Medicine, Nagoya 466-8550, Japan
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26
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Si X, Cao D, Chen J, Nie Y, Jiang Z, Chen MY, Wu JF, Guan XD. miR‑23a downregulation modulates the inflammatory response by targeting ATG12‑mediated autophagy. Mol Med Rep 2018; 18:1524-1530. [PMID: 29845275 PMCID: PMC6072189 DOI: 10.3892/mmr.2018.9081] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2017] [Accepted: 04/19/2018] [Indexed: 12/18/2022] Open
Abstract
Autophagy, part of the innate immune defense mechanisms, is activated during the initial phase of septic insult. Previous studies indicated that micro (mi)RNAs are additionally involved in the host response to sepsis; however, the association between miRNAs and autophagy during this process is not fully understood. To study the role of miRNA (miR)-23a in autophagy initiated by sepsis, macrophages treated with lipopolysaccharides, in addition to blood samples from patients, were evaluated for miR-23a expression levels. Cell viability, inflammatory mediators and autophagic markers were investigated following overexpression or inhibition of miR-23a. The results suggested that miR-23a was suppressed subsequent to septic insult, promoting autophagy and suppressing a hyper inflammatory response, leading to enhanced cell viability. A luciferase assay and western blot analysis confirmed ubiquitin-like protein ATG12 to be the target of miR-23a. The present study revealed that the downregulation of miR-23a regulates an inflammatory response during septic insult via autophagy promotion.
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Affiliation(s)
- Xiang Si
- Department of SICU, The First Affiliated Hospital of Sun Yat‑sen University, Guangzhou, Guangdong 510000, P.R. China
| | - Daiyin Cao
- Department of Critical Care Medicine, The Sixth Affiliated Hospital of Sun Yat‑sen University, Guangzhou, Guangdong 510000, P.R. China
| | - Juan Chen
- Department of SICU, The First Affiliated Hospital of Sun Yat‑sen University, Guangzhou, Guangdong 510000, P.R. China
| | - Yao Nie
- Department of SICU, The First Affiliated Hospital of Sun Yat‑sen University, Guangzhou, Guangdong 510000, P.R. China
| | - Zhiyi Jiang
- Department of SICU, The First Affiliated Hospital of Sun Yat‑sen University, Guangzhou, Guangdong 510000, P.R. China
| | - Min-Ying Chen
- Department of SICU, The First Affiliated Hospital of Sun Yat‑sen University, Guangzhou, Guangdong 510000, P.R. China
| | - Jian-Feng Wu
- Department of SICU, The First Affiliated Hospital of Sun Yat‑sen University, Guangzhou, Guangdong 510000, P.R. China
| | - Xiang-Dong Guan
- Department of SICU, The First Affiliated Hospital of Sun Yat‑sen University, Guangzhou, Guangdong 510000, P.R. China
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27
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Zhang Y, Feng J, Cui J, Yang G, Zhu X. Pre-B cell leukemia transcription factor 3 induces inflammatory responses in human umbilical vein endothelial cells and murine sepsis via acting a competing endogenous RNA for high mobility group box 1 protein. Mol Med Rep 2018; 17:5805-5813. [PMID: 29484406 PMCID: PMC5866024 DOI: 10.3892/mmr.2018.8609] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2017] [Accepted: 09/08/2017] [Indexed: 11/12/2022] Open
Abstract
The present study investigated the roles of pre-B cell leukemia transcription factor 3 (PBX3) in sepsis. Reverse transcription-quantitative polymerase chain reaction and western blot analysis indicated that overexpression of the PBX 3′-untranslated region (UTR) promoted high mobility group box 1 (HMGB1) protein expression in human umbilical vein endothelial cells (HUVECs) (P<0.01). Furthermore, post-treatment of PBX3 small interfering (si)RNA suppressed lipopolysaccharide (LPS)-mediated HMGB1 release and attenuated HMGB1-mediated hyperpermeability and leukocyte migration in HUVECs and septic mice (P<0.01). Additionally, post-injection of PBX3 siRNA also induced the downregulation of cecal ligation and puncture-induced HMGB1 release, production of IL-6 and mortality (P<0.01). Mechanistically, the 3′UTRs of PBX3 and HMGB1 were identified to harbor six common micro (mi)RNA binding sites, and PBX 3′UTR increased HMGB1 expression in a 3′UTR- and miRNA-dependent manner. Notably, the coding sequence of PBX3 did not increase HMGB1 expression in HUVECs. Collectively, the present study indicates that PBX 3′UTR may induce inflammatory responses and sepsis via acting as a competing endogenous RNA for HMGB1.
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Affiliation(s)
- Yunzhong Zhang
- Intensive Care Unit, Qingzhou Hospital, Taishan Medical University, Qingzhou, Shandong 262500, P.R. China
| | - Jing Feng
- Department of Gynecology, Qingzhou Hospital, Taishan Medical University, Qingzhou, Shandong 262500, P.R. China
| | - Jizhen Cui
- Intensive Care Unit, Qingzhou Hospital, Taishan Medical University, Qingzhou, Shandong 262500, P.R. China
| | - Guozheng Yang
- Intensive Care Unit, Qingzhou Hospital, Taishan Medical University, Qingzhou, Shandong 262500, P.R. China
| | - Xianai Zhu
- Intensive Care Unit, Qingzhou Hospital, Taishan Medical University, Qingzhou, Shandong 262500, P.R. China
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28
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Yang S, Wang Y, Gao H, Wang B. MicroRNA-30a-3p overexpression improves sepsis-induced cell apoptosis in vitro and in vivo via the PTEN/PI3K/AKT signaling pathway. Exp Ther Med 2018; 15:2081-2087. [PMID: 29434809 PMCID: PMC5776646 DOI: 10.3892/etm.2017.5644] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2017] [Accepted: 08/10/2017] [Indexed: 11/06/2022] Open
Abstract
The aim of the present study was to explain the mechanism of miR-30a-3p overexpression in sepsis-induced cell apoptosis in vitro and in vivo. For the in vitro cell experiments, H9c2 cells were divided into three groups, including the untreated normal control (NC), lipopolysaccharide (LPS)-treated and miRNA (treated with LPS and transfection with miRNA-30a-3p) groups. The cell proliferation and apoptosis were evaluated by MTT assay and flow cytometry, respectively. The relative protein expression levels were measured by western blot assay. In the in vivo experiment, a sepsis rat model was established by intraperitoneal injection of LPS. Sprague Dawley rats were divided into three groups, including the NC, LPS-injected and miRNA (in which model rats were injected with miR-30a-3p vector at the caudal vein) groups. The myocardial morphology in different groups was observed by hematoxylin and eosin staining. In addition, tissue apoptosis and protein expression levels were evaluated by TUNEL and western blot assay, respectively. The results of cell experiments indicated that the cell proliferation rate was significantly increased and the cell apoptosis rate was significantly downregulated in the miR-30a-3p group compared with the LPS group (both P<0.05). The relative protein expression of phosphatase and tensin homolog (PTEN) was markedly decreased in the miRNA group compared with the LPS group, while the levels of phosphoinositide 3-kinase (PI3K) and protein kinase B (AKT) were significantly increased in the miRNA group (all P<0.05). In the in vivo experiments, the myocardial morphology of the miRNA group was improved compared with that of the LPS group. Compared with the LPS group, cell apoptosis in the miRNA group was significantly downregulated (P<0.05), while the relative protein levels (PTEN, PI3K and AKT) in the tissues were also significantly altered (P<0.05). In conclusion, miR-30a-3p overexpression may improve the sepsis-induced cell apoptosis in vitro and in vivo via the PTEN/PI3K/AKT signaling pathway.
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Affiliation(s)
- Shuying Yang
- Intensive Care Unit, Tianjin First Central Hospital, Tianjin 300192, P.R. China
| | - Yongqiang Wang
- Intensive Care Unit, Tianjin First Central Hospital, Tianjin 300192, P.R. China
| | - Hongmei Gao
- Intensive Care Unit, Tianjin First Central Hospital, Tianjin 300192, P.R. China
| | - Bing Wang
- Intensive Care Unit, Tianjin First Central Hospital, Tianjin 300192, P.R. China
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29
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Wang G, Hu Z, Fu Q, Song X, Cui Q, Jia R, Zou Y, He C, Li L, Yin Z. Resveratrol mitigates lipopolysaccharide-mediated acute inflammation in rats by inhibiting the TLR4/NF-κBp65/MAPKs signaling cascade. Sci Rep 2017; 7:45006. [PMID: 28322346 PMCID: PMC5359552 DOI: 10.1038/srep45006] [Citation(s) in RCA: 80] [Impact Index Per Article: 11.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2016] [Accepted: 02/17/2017] [Indexed: 01/01/2023] Open
Abstract
Resveratrol (RSV) is a natural compound exhibiting anti-inflammatory effect, but the anti-inflammatory mechanism has not been fully understood. This study is aimed to evaluate the anti-inflammatory activity and mechanism of RSV in lipopolysaccharides-induced rats’ model. The visceral wet/dry weight ratios and the changes of hematologic and biochemical indices indicated that LPS- stimulation mainly caused damages to liver and lung, while pretreatment with RSV could alleviate the lesions. The cytokine assays showed that RSV could markedly decrease the production of proinflammatory mediators and cytokines (IL-1, IL-1β, IL-6, NO, iNOS and COX-2), and increase the expression of anti-inflammatory mediator (IL-10). RSV could inhibit TLR4 signaling pathway by down-regulating the mRNA levels of MyD88 and TRAF6, and suppressing the TLR4 protein. RSV could inhibit the signaling cascades of NF-κBp65 and MAPKs through down-regulating the mRNA levels of IκBα, p38MAPK, JNK, ERK1, ERK2 and ERK5 in liver and lung, and suppressing the dynamic changes of proteins and phosphorylated proteins including IκBα, NF-κBp65, p38MAPK, JNK, ERK1/2 and ERK5 from tissue’s cytoplasm to nucleus. In conclusion, RSV possessed a therapeutic effect on LPS-induced inflammation in rats and the mechanism mainly attributed to suppressing the signaling cascades of NF-κBp65 and MAPKs by inhibiting the TLR4 signaling pathway.
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Affiliation(s)
- Guangxi Wang
- Natural Medicine Research Center, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, 611130, China
| | - Zhiqiang Hu
- Key laboratory of Animal Disease and Human Health of Sichuan Province, Sichuan Agricultural University, Chengdu, 611130, China
| | - Qiuting Fu
- Natural Medicine Research Center, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, 611130, China
| | - Xu Song
- Natural Medicine Research Center, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, 611130, China
| | - Qiankun Cui
- Natural Medicine Research Center, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, 611130, China
| | - Renyong Jia
- Key laboratory of Animal Disease and Human Health of Sichuan Province, Sichuan Agricultural University, Chengdu, 611130, China
| | - Yuanfeng Zou
- Natural Medicine Research Center, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, 611130, China
| | - Changliang He
- Natural Medicine Research Center, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, 611130, China
| | - Lixia Li
- Natural Medicine Research Center, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, 611130, China
| | - Zhongqiong Yin
- Natural Medicine Research Center, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, 611130, China
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30
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Role of microRNAs in sepsis. Inflamm Res 2017; 66:553-569. [DOI: 10.1007/s00011-017-1031-9] [Citation(s) in RCA: 59] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2016] [Revised: 02/17/2017] [Accepted: 02/21/2017] [Indexed: 12/15/2022] Open
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31
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Liang Q, Liu H, Xie L, Li X, Ai H. High-throughput and multi-dimensional omics approach uncovers a huaxian capsule to ameliorate the dysregulated expression profiling of severe sepsis rats. RSC Adv 2017. [DOI: 10.1039/c6ra28337c] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Multi-dimensional omics could be helpful to interpret the underlying mechanisms of disease.
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Affiliation(s)
- Qun Liang
- ICU Center
- First Affiliated Hospital
- School of Pharmacy
- Heilongjiang University of Chinese Medicine
- Harbin 150040
| | - Han Liu
- Simon Fraser University (SFU)
- Burnaby
- Canada
| | - Lixiang Xie
- ICU Center
- First Affiliated Hospital
- School of Pharmacy
- Heilongjiang University of Chinese Medicine
- Harbin 150040
| | - Xue Li
- ICU Center
- First Affiliated Hospital
- School of Pharmacy
- Heilongjiang University of Chinese Medicine
- Harbin 150040
| | - Huazhang Ai
- ICU Center
- First Affiliated Hospital
- School of Pharmacy
- Heilongjiang University of Chinese Medicine
- Harbin 150040
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32
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Ugrinova I, Pasheva E. HMGB1 Protein: A Therapeutic Target Inside and Outside the Cell. ADVANCES IN PROTEIN CHEMISTRY AND STRUCTURAL BIOLOGY 2016; 107:37-76. [PMID: 28215228 DOI: 10.1016/bs.apcsb.2016.10.001] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
High-mobility group box 1 protein (HMGB1) is a nonhistone chromosomal protein discovered more than 30 years ago. It is an abundant nuclear protein that has a dual function-in the nucleus, it binds DNA and participates in practically all DNA-dependent processes serving as an architectural factor. Outside the cell, HMGB1 plays a different role-it acts as an alarmine that activates a large number of HMGB1-"competent" cells and mediates a broad range of physiological and pathological responses. This universality makes it an attractive target for innovative therapeutic strategies in the treatment of various diseases. Here we present an overview of the major nuclear and extracellular properties of HMGB1 and describe its interaction with different molecular partners as specific receptors or inhibitors, which are important for its role as a target in multiple diseases. We highlight its pivotal role as a target for cancer treatment at two aspects: first in terms of its substantial impact on the repair capacity of cancer cells, thus affecting the effectiveness of chemotherapy with the antitumor drug cis-platinum and, second, the possibility to be targeted by microRNAs influencing different pathways of human diseases, thus making it a promising candidate for a new strategy for therapeutic interventions against various pathological conditions but mainly cancer.
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Affiliation(s)
- I Ugrinova
- "Roumen Tsanev" Institute of Molecular Biology, Bulgarian Academy of Sciences, Sofia, Bulgaria.
| | - E Pasheva
- "Roumen Tsanev" Institute of Molecular Biology, Bulgarian Academy of Sciences, Sofia, Bulgaria
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33
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Ho J, Chan H, Wong SH, Wang MHT, Yu J, Xiao Z, Liu X, Choi G, Leung CCH, Wong WT, Li Z, Gin T, Chan MTV, Wu WKK. The involvement of regulatory non-coding RNAs in sepsis: a systematic review. CRITICAL CARE : THE OFFICIAL JOURNAL OF THE CRITICAL CARE FORUM 2016; 20:383. [PMID: 27890015 PMCID: PMC5125038 DOI: 10.1186/s13054-016-1555-3] [Citation(s) in RCA: 61] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/26/2016] [Accepted: 10/31/2016] [Indexed: 12/13/2022]
Abstract
Background Sepsis coincides with altered gene expression in different tissues. Accumulating evidence has suggested that microRNAs, long non-coding RNAs, and circular RNAs are important molecules involved in the crosstalk with various pathways pertinent to innate immunity, mitochondrial functions, and apoptosis. Methods We searched articles indexed in PubMed (MEDLINE), EMBASE and Europe PubMed Central databases using the Medical Subject Heading (MeSH) or Title/Abstract words (“microRNA”, “long non-coding RNA”, “circular RNA”, “sepsis” and/or “septic shock”) from inception to Sep 2016. Studies investigating the role of host-derived microRNA, long non-coding RNA, and circular RNA in the pathogenesis of and as biomarkers or therapeutics in sepsis were included. Data were extracted in terms of the role of non-coding RNAs in pathogenesis, and their applicability for use as biomarkers or therapeutics in sepsis. Two independent researchers assessed the quality of studies using a modified guideline from the Systematic Review Center for Laboratory animal Experimentation (SYRCLE), a tool based on the Cochrane Collaboration Risk of Bias tool. Results Observational studies revealed dysregulation of non-coding RNAs in septic patients. Experimental studies confirmed their crosstalk with JNK/NF-κB and other cellular pathways pertinent to innate immunity, mitochondrial function, and apoptosis. Of the included studies, the SYRCLE scores ranged from 3 to 7 (average score of 4.55). This suggests a moderate risk of bias. Of the 10 articles investigating non-coding RNAs as biomarkers, none of them included a validation cohort. Selective reporting of sensitivity, specificity, and receiver operating curve was common. Conclusions Although non-coding RNAs appear to be good candidates as biomarkers and therapeutics for sepsis, their differential expression across tissues complicated the process. Further investigation on organ-specific delivery of these regulatory molecules may be useful. Electronic supplementary material The online version of this article (doi:10.1186/s13054-016-1555-3) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Jeffery Ho
- Department of Anesthesia and Intensive Care, The Chinese University of Hong Kong, Shatin, Hong Kong, Hong Kong, Special Administrative Region of China
| | - Hung Chan
- Department of Anesthesia and Intensive Care, The Chinese University of Hong Kong, Shatin, Hong Kong, Hong Kong, Special Administrative Region of China
| | - Sunny H Wong
- State Key Laboratory of Digestive Disease, LKS Institute of Health Sciences, The Chinese University of Hong Kong, Hong Kong, Hong Kong, Special Administrative Region of China. .,Department of Medicine and Therapeutics, The Chinese University of Hong Kong, Shatin, Hong Kong, Hong Kong, Special Administrative Region of China.
| | - Maggie H T Wang
- The Jockey Club School of Public Health and Primary Care, The Chinese University of Hong Kong, Hong Kong, Hong Kong, Special Administrative Region of China
| | - Jun Yu
- State Key Laboratory of Digestive Disease, LKS Institute of Health Sciences, The Chinese University of Hong Kong, Hong Kong, Hong Kong, Special Administrative Region of China.,Department of Medicine and Therapeutics, The Chinese University of Hong Kong, Shatin, Hong Kong, Hong Kong, Special Administrative Region of China
| | - Zhangang Xiao
- Laboratory of Molecular Pharmacology, Department of Pharmacology, School of Pharmacy, Southwest Medical University, Luzhou, 646000, Sichuan, People's Republic of China
| | - Xiaodong Liu
- Department of Anesthesia and Intensive Care, The Chinese University of Hong Kong, Shatin, Hong Kong, Hong Kong, Special Administrative Region of China
| | - Gordon Choi
- Department of Anesthesia and Intensive Care, The Chinese University of Hong Kong, Shatin, Hong Kong, Hong Kong, Special Administrative Region of China
| | - Czarina C H Leung
- Department of Anesthesia and Intensive Care, The Chinese University of Hong Kong, Shatin, Hong Kong, Hong Kong, Special Administrative Region of China
| | - Wai T Wong
- Department of Anesthesia and Intensive Care, The Chinese University of Hong Kong, Shatin, Hong Kong, Hong Kong, Special Administrative Region of China
| | - Zheng Li
- Department of Orthopedics Surgery Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, People's Republic of China
| | - Tony Gin
- Department of Anesthesia and Intensive Care, The Chinese University of Hong Kong, Shatin, Hong Kong, Hong Kong, Special Administrative Region of China
| | - Matthew T V Chan
- Department of Anesthesia and Intensive Care, The Chinese University of Hong Kong, Shatin, Hong Kong, Hong Kong, Special Administrative Region of China.
| | - William K K Wu
- Department of Anesthesia and Intensive Care, The Chinese University of Hong Kong, Shatin, Hong Kong, Hong Kong, Special Administrative Region of China. .,State Key Laboratory of Digestive Disease, LKS Institute of Health Sciences, The Chinese University of Hong Kong, Hong Kong, Hong Kong, Special Administrative Region of China.
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