1
|
Mo F, Tang Y, Shen H, Wu L, Liu Q, Nie S, Li M, Ling C. HIF1α/miR-146α/TRAF6/NF-κB axis modulates hepatic iron overload-induced inflammation. J Nutr Biochem 2024; 125:109499. [PMID: 37875229 DOI: 10.1016/j.jnutbio.2023.109499] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2023] [Revised: 10/03/2023] [Accepted: 10/21/2023] [Indexed: 10/26/2023]
Abstract
Transfusional therapy is used to cure anemia but raises the risk of hepatic iron overload (IO), which triggers oxidative stress damage, inflammation, and failure even fibrosis. microRNAs play a vital role in developing hepatic diseases. This study presented the mechanism by which IO induce hepatic inflammation through microRNAs. In this study, microRNA expression profiling in the liver was observed after IO for 2 weeks, in which the target microRNA will be found. IO activating the miR-146α/TRAF6/NF-κB pathway was validated, and the molecular mechanism of the IO-induced decrease of miR-146α in the liver was studied in vivo and in vitro. The expression of TRAF6/NF-κB (p65)-dependent inflammatory factors increased, whereas the expression of miR-146α decreased during the IO-induced inflammatory response in the liver. The reduced expression of HNF4α caused by HIF1α and miR-34α may decrease the expression of miR-146α. Overexpression of miR-146α alleviated the hepatic inflammatory response caused by IO. Our findings indicate that miR-146α is a key factor in inducing hepatic IO inflammation, which will be another potential target to prevent IO-induced hepatic damage.
Collapse
Affiliation(s)
- Fengfeng Mo
- Department of Naval Nutrition and Food Hygiene, Faculty of Naval Medicine, Naval Medical University, Shanghai, China
| | - Yuxiao Tang
- Department of Naval Nutrition and Food Hygiene, Faculty of Naval Medicine, Naval Medical University, Shanghai, China
| | - Hui Shen
- Department of Naval Nutrition and Food Hygiene, Faculty of Naval Medicine, Naval Medical University, Shanghai, China
| | - Lusha Wu
- Department of Naval Nutrition and Food Hygiene, Faculty of Naval Medicine, Naval Medical University, Shanghai, China
| | - Qing Liu
- Department of Naval Nutrition and Food Hygiene, Faculty of Naval Medicine, Naval Medical University, Shanghai, China
| | - Shuang Nie
- Department of Naval Nutrition and Food Hygiene, Faculty of Naval Medicine, Naval Medical University, Shanghai, China
| | - Min Li
- Department of Naval Nutrition and Food Hygiene, Faculty of Naval Medicine, Naval Medical University, Shanghai, China; Institute of International Medical Science and Technology, Sanda University, Shanghai, China.
| | - Chen Ling
- State Key Laboratory of Genetic Engineering and Engineering Research Center of Gene Technology (Ministry of Education), School of Life Sciences, Zhongshan Hospital, Fudan University, Shanghai, China.
| |
Collapse
|
2
|
Li W, Liu M, Chu M. Strategies targeting IL-33/ST2 axis in the treatment of allergic diseases. Biochem Pharmacol 2023; 218:115911. [PMID: 37981174 DOI: 10.1016/j.bcp.2023.115911] [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: 09/12/2023] [Revised: 10/28/2023] [Accepted: 11/06/2023] [Indexed: 11/21/2023]
Abstract
Interleukin-33 (IL-33) and its receptor Serum Stimulation-2 (ST2, also called Il1rl1) are members of the IL-1 superfamily that plays a crucial role in allergic diseases. The interaction of IL-33 and ST2 mainly activates NF-κB signaling and MAPK signaling via the MyD88/IRAK/TRAF6 module, resulting in the production and secretion of pro-inflammatory cytokines. The IL-33/ST2 axis participates in the pathogenesis of allergic diseases, and therefore serves as a promising strategy for allergy treatment. In recent years, strategies blocking IL-33/ST2 through targeting regulation of IL-33 and ST2 or targeting the molecules involved in the signal transduction have been extensively studied mostly in animal models. These studies provide various potential therapeutic agents other than antibodies, such as small molecules, nucleic acids and traditional Chinese medicines. Herein, we reviewed potential targets and agents targeting IL-33/ST2 axis in the treatment of allergic diseases, providing directions for further investigations on treatments for IL-33 induced allergic diseases.
Collapse
Affiliation(s)
- Wenran Li
- Department of Immunology, School of Basic Medical Sciences, Health Science Centre, Peking University. Beijing, China
| | - Mengqi Liu
- Department of Immunology, School of Basic Medical Sciences, Health Science Centre, Peking University. Beijing, China
| | - Ming Chu
- Department of Immunology, School of Basic Medical Sciences, Health Science Centre, Peking University. Beijing, China; Beijing Life Science Academy, Beijing, China.
| |
Collapse
|
3
|
Chungen Y, Dongfang Z, Guoyuan X. MicroRNA-146a Protects Against Ischemia/Reperfusion Liver Injury Through Inhibition of Toll-like Receptor 4 Signaling Pathway in Rats. Transplant Proc 2020; 52:1007-1013. [PMID: 32143869 DOI: 10.1016/j.transproceed.2020.01.046] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2019] [Accepted: 01/25/2020] [Indexed: 12/17/2022]
Abstract
Hepatic ischemia/reperfusion injury (IRI) is a severe and common clinical challenge involved in liver surgery and transplantation. MicroRNA-146a (miR-146a) has recently been reported to be abnormally expressed in hepatic IRI, but the underlying mechanism is not fully elucidated. Accumulating evidences showed miR-146a targets Toll-like receptor 4 (TLR4) signaling pathway. Here, we found that miR-146a inhibited TLR4 signaling pathway accompanied by attenuated liver dysfunction, histologic injury and inflammation. Conversely, miR-146a inhibition increased TLR4 and interleukin-1 receptor-associated kinase, accompanied by exacerbated hepatic IRI and inflammation. Taken together, these data indicated that miR-146a protect against hepatic IRI via inhibiting TLR4 signaling pathway. In addition, we verified ultrasound microbubble-mediated gene transfection improved miR-146a transfection efficacy.
Collapse
Affiliation(s)
- Yan Chungen
- Department of Gastroenterology, Affiliated Hospital of Shaoxing University, Zhejiang, China.
| | - Zhu Dongfang
- Department of Lab Medicine, Affiliated Hospital of Shaoxing University, Zhejiang, China
| | - Xia Guoyuan
- Department of Ultrasound Diagnosis, Affiliated Hospital of Shaoxing University, Zhejiang, China
| |
Collapse
|
4
|
Piccinin E, Arconzo M, Graziano G, Vacca M, Peres C, Bellafante E, Villani G, Moschetta A. Hepatic microRNA Expression by PGC-1α and PGC-1β in the Mouse. Int J Mol Sci 2019; 20:ijms20225735. [PMID: 31731670 PMCID: PMC6888418 DOI: 10.3390/ijms20225735] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2019] [Revised: 11/12/2019] [Accepted: 11/13/2019] [Indexed: 02/07/2023] Open
Abstract
The fine-tuning of liver metabolism is essential to maintain the whole-body homeostasis and to prevent the onset of diseases. The peroxisome proliferator-activated receptor-γ coactivators (PGC-1s) are transcriptional key players of liver metabolism, able to regulate mitochondrial function, gluconeogenesis and lipid metabolism. Their activity is accurately modulated by post-translational modifications. Here, we showed that specific PGC-1s expression can lead to the upregulation of different microRNAs widely implicated in liver physiology and diseases development and progression, thus offering a new layer of complexity in the control of hepatic metabolism.
Collapse
Affiliation(s)
- Elena Piccinin
- Department of Interdisciplinary Medicine, University of Bari “Aldo Moro”, Piazza Giulio Cesare 11, 70124 Bari, Italy or
| | - Maria Arconzo
- INBB, National Institute for Biostuctures and Biosystems, 00136 Rome, Italy; (M.A.); (G.G.); (C.P.)
| | - Giusi Graziano
- INBB, National Institute for Biostuctures and Biosystems, 00136 Rome, Italy; (M.A.); (G.G.); (C.P.)
| | - Michele Vacca
- Metabolic Research Laboratories, Wellcome Trust-MRC Institute of Metabolic Science, Box 289, Addenbrooke’s Hospital, Cambridge CB2 0QQ, UK;
| | - Claudia Peres
- INBB, National Institute for Biostuctures and Biosystems, 00136 Rome, Italy; (M.A.); (G.G.); (C.P.)
| | - Elena Bellafante
- Fondazione Mario Negri Sud, Santa Maria Imbaro, 66030 Chieti, Italy;
| | - Gaetano Villani
- Department of Basic Medical Sciences, Neurosciences and Sense Organs, “Aldo Moro” University of Bari, 70124 Bari, Italy;
| | - Antonio Moschetta
- Department of Interdisciplinary Medicine, University of Bari “Aldo Moro”, Piazza Giulio Cesare 11, 70124 Bari, Italy or
- INBB, National Institute for Biostuctures and Biosystems, 00136 Rome, Italy; (M.A.); (G.G.); (C.P.)
- Correspondence: or ; Tel.: +39-080-559-3262
| |
Collapse
|
5
|
Wu H, Fan H, Liu XX. Biological role of microRNA-146a. Shijie Huaren Xiaohua Zazhi 2019; 27:1155-1160. [DOI: 10.11569/wcjd.v27.i18.1155] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
MicroRNAs are endogenous single-stranded non-coding small RNAs that specifically bind to target mRNAs to degrade mRNAs or hinder their translation to regulate the expression of target mRNAs at the post-transcriptional level. MicroRNA-146a is involved in a bulk of biological processes and has a variety of biological functions. This article will review several aspects of the role of microRNA-146a, including controlling inflammation, regulating immunity, mediating myeloid cell proliferation, and involvement in tumor occurrence and development.
Collapse
Affiliation(s)
- Hui Wu
- Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, Hubei Province, China
| | - Heng Fan
- Department of Integrated Traditional Chinese and Western Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, Hubei Province, China
| | - Xing-Xing Liu
- Department of Integrated Traditional Chinese and Western Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, Hubei Province, China
| |
Collapse
|
6
|
Li X, Zhang W, Xiao M, Wang F, Zhou P, Yang J, Chen X. MicroRNA-146b-5p protects oligodendrocyte precursor cells from oxygen/glucose deprivation-induced injury through regulating Keap1/Nrf2 signaling via targeting bromodomain-containing protein 4. Biochem Biophys Res Commun 2019; 513:875-882. [DOI: 10.1016/j.bbrc.2019.04.045] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2019] [Accepted: 04/06/2019] [Indexed: 12/30/2022]
|
7
|
Liang Q, Chen H, Xu X, Jiang W. miR-182-5p Attenuates High-Fat -Diet-Induced Nonalcoholic Steatohepatitis in Mice. Ann Hepatol 2019; 18:116-125. [PMID: 31113580 DOI: 10.5604/01.3001.0012.7902] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/17/2017] [Accepted: 01/29/2018] [Indexed: 02/04/2023]
Abstract
INTRODUCTION AND AIM Patients with NASH have increased risk for sepsis or cardiovascular disease after Liver transplantation. An important role of Toll-like receptor (TLR) 4 in the pathogenesis of nonalcoholic steatohepatitis (NASH) was demonstrated. Here, we study the role of miR-182-5p in TLR4 expression and high-fat-diet (HFD)-induced NASH in vitro and in vivo Material and methods. Following transfection with a miR-182-5p mimic, the effect of miR-182-5p on TLR4 in RAW264.7 and HepG2 cells was investigated. Following administration of the miR-182-5p mimic into the livers of HFD-induced NASH mice, we determined the in vivo expression of TLR4, TNFa, and IL-6 and assessed the histologic features of the livers. Results Following lipopolysaccharide (LPS) treatment of RAW264.7 cells, real-time RT-PCR and western blot results indicated decreases levels of TLR4 mRNA and protein in the miR-182-5p group as compared with levels observed in controls, with similar trends were observed in TNFa and IL-6 protein levels. Following oleic acid (OA) treatment of HepG2 cells, TLR4, TNFa, and IL-6 levels were significantly decreased in the miR-182-5p group as compared with levels observed in controls. Following miR-182-5p administration, TLR4 mRNA and protein levels decreased along with those of TNFa and IL-6 proteins, and the liver weight/body weight ratio of treated mice was less than that observed in controls. Furthermore, hematoxylin and eosin staining showed that the miR-182-5p-treated group exhibited low adiposecell cross-sectional areas, and Oil Red O staining showed decreases in the size of lipid droplets in the miR-182-5p-treated group. CONCLUSIONS miR-182-5p ameliorated HFD-induced NASH by suppressing TLR4.
Collapse
Affiliation(s)
- Qionghe Liang
- Department of Neonatal Surgery, Children's Hospital of Nanjing Medical University, Nanjing, China; Department of Radiology, Children's Hospital of Nanjing Medical University, Nanjing, China
| | - Huan Chen
- Department of Neonatal Surgery, Children's Hospital of Nanjing Medical University, Nanjing, China
| | - Xiaoqun Xu
- Department of Neonatal Surgery, Children's Hospital of Nanjing Medical University, Nanjing, China
| | - Weiwei Jiang
- Department of Neonatal Surgery, Children's Hospital of Nanjing Medical University, Nanjing, China; Institute of Pediatric Research, Children's Hospital of Nanjing Medical University, Nanjing, China.
| |
Collapse
|
8
|
He S, Guo W, Deng F, Chen K, Jiang Y, Dong M, Peng L, Chen X. Targeted delivery of microRNA 146b mimic to hepatocytes by lactosylated PDMAEMA nanoparticles for the treatment of NAFLD. ARTIFICIAL CELLS NANOMEDICINE AND BIOTECHNOLOGY 2018; 46:217-228. [PMID: 29560749 DOI: 10.1080/21691401.2018.1453830] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Non-alcoholic fatty liver disease (NAFLD) is one of the most common chronic liver diseases worldwide, and precision therapeutic will be a benefit for the NAFLD regression. In this study, we observed low microRNA 146 b (miR-146 b) expression in NAFLD mice model induced by methionine-choline-deficient diet (MCD) compared with control group. Furthermore, miR-146b-/- mice induced MCD exhibited severe liver steatosis and hepatitis. A bio-distribution study showed that novel Lactosylated PDMAEMA nanoparticles effectively targeted hepatocytes Lac-PDMAEMA. We coupled miR-146b mimic with Lac-PDMAEMA and then were administrated to NAFLD mice model, which could obviously alleviate the hepatic steatosis. Lac-PDMAEMA effectively delivered miR-146b mimic to hepatocytes with a ∼8-fold upregulation of miR-146b mimic targeting MyD88 and IRAK1, and in turn suppressed the expression of PPARγ. Meanwhile, TNF-α and IL-6 mRNA levels were decreased after administration of Lac-PDMAEMA/miR-146b mimic. So, we made a conclusion that targeted delivering miR-146b mimic to the hepatocytes by, coupling Lac-PDMAEMA nanoparticles could effectively alleviate the hepatic steatosis in NAFLD mice, which maybe bring a new and effective way to intervene and therapy the NAFLD.
Collapse
Affiliation(s)
- Shuying He
- a Guangdong Provincial Key Laboratory of Gastroenterology, Department of Gastroenterology , Nanfang Hospital, Southern Medical University , Guangzhou , China
| | - Weihong Guo
- b Nanfang Hospital, Southern Medical University , Guangzhou , China
| | - Feihong Deng
- a Guangdong Provincial Key Laboratory of Gastroenterology, Department of Gastroenterology , Nanfang Hospital, Southern Medical University , Guangzhou , China
| | - Kequan Chen
- c Department of Gastroenterology , First Affiliated Hospital of Guangzhou Medical University, Guangzhou Medical University , Guangzhou , China
| | - Yonghong Jiang
- c Department of Gastroenterology , First Affiliated Hospital of Guangzhou Medical University, Guangzhou Medical University , Guangzhou , China
| | - Minyu Dong
- c Department of Gastroenterology , First Affiliated Hospital of Guangzhou Medical University, Guangzhou Medical University , Guangzhou , China
| | - Liang Peng
- c Department of Gastroenterology , First Affiliated Hospital of Guangzhou Medical University, Guangzhou Medical University , Guangzhou , China
| | - Xueqing Chen
- c Department of Gastroenterology , First Affiliated Hospital of Guangzhou Medical University, Guangzhou Medical University , Guangzhou , China
| |
Collapse
|
9
|
Tao X, Liu S, Men X, Xu Z. Over-expression of miR-146b and its regulatory role in intestinal epithelial cell viability, proliferation, and apoptosis in piglets. Biol Direct 2017; 12:27. [PMID: 29178964 PMCID: PMC5702241 DOI: 10.1186/s13062-017-0199-9] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2017] [Accepted: 11/13/2017] [Indexed: 12/23/2022] Open
Abstract
BACKGROUND Weaning stress affects the small intestine of piglets. MiR-146b is differentially expressed in suckling and weaned piglets. In this study, we evaluated the effects of miR-146b on cell viability, proliferation, and apoptosis in IPEC-J2 cells. RESULTS Transfection with miR-146b mimics successfully increased miR-146b levels by 1000× (P < 0.001). The over-expression of miR-146b significantly promoted the apoptosis (P < 0.01) of IPEC-J2 cells, with no significant effects on cell viability or proliferation. MiR-146b suppressed the luciferase activity of the miR-TLR4-wt by 57% compared with the negative control, while mutation of the miR-146b binding site significantly blocked the suppressive effect (P < 0.05). Western blot results showed that TLR4 levels decreased in IPEC-J2 cells transfected with miR-146b mimics (P < 0.05). CONCLUSIONS The over-expression of miR-146b promotes IPEC-J2 cell apoptosis. TLR4 is a direct target of miR-146b in IPEC-J2 cells. REVIEWERS This article was reviewed by Eugene Berezikov and Jan B Hoek.
Collapse
Affiliation(s)
- Xin Tao
- Institute of Animal Husbandry and Veterinary Science, Zhejiang Academy of Agricultural Sciences, Hangzhou, Zhejiang, 310021, People's Republic of China
| | - Shujie Liu
- Institute of Animal Husbandry and Veterinary Science, Zhejiang Academy of Agricultural Sciences, Hangzhou, Zhejiang, 310021, People's Republic of China
| | - Xiaoming Men
- Institute of Animal Husbandry and Veterinary Science, Zhejiang Academy of Agricultural Sciences, Hangzhou, Zhejiang, 310021, People's Republic of China
| | - Ziwei Xu
- Institute of Animal Husbandry and Veterinary Science, Zhejiang Academy of Agricultural Sciences, Hangzhou, Zhejiang, 310021, People's Republic of China.
| |
Collapse
|
10
|
Fang C, Li XP, Gong WJ, Wu NY, Tang J, Yin JY, Li X, Zhang W, Zhou HH, Liu ZQ. Age-related common miRNA polymorphism associated with severe toxicity in lung cancer patients treated with platinum-based chemotherapy. Clin Exp Pharmacol Physiol 2017; 44 Suppl 1:21-29. [PMID: 27873337 DOI: 10.1111/1440-1681.12704] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2016] [Revised: 11/15/2016] [Accepted: 11/16/2016] [Indexed: 02/06/2023]
Abstract
Platinum-based chemotherapy toxicity severely impedes successful treatment in lung cancer patients. MicroRNAs (miRs) have a significant impact on the occurrence and survival rate of lung cancer. The purpose of this study was to investigate the association between common miRNA variants and platinum-based chemotherapy toxicity in lung cancer patients. A total of eight functional single nucleotide polymorphisms (SNPs) of miRNA were genotyped in 408 lung cancer patients by MALDI-TOF mass spectrometry. All the patients were histologically confirmed as lung cancer, and were treated with platinum-based chemotherapy for at least two cycles. It was found that the polymorphism rs2042553 of miR-5197 had a significant association with overall severe toxicity in both additive (P=.031, odds ratio [OR]=1.41, 95% confidence interval [CI] 1.03-1.93) and dominant (P=.009, OR=1.80, 95% CI 1.16-2.80) models. MiR-605 rs2043556 was significantly related to severe hepatotoxicity in dominant model (P=.022, OR=2.51, 95% CI 1.12-4.14). In addition, rs2910164 of miR-146a had marginal statistical effect on severe hepatotoxicity in additive model (P=.054). The subgroup analyses showed that miR-27a rs895819 was related to gastrointestinal toxicity in age >56 years old, smoking and non-smoking patients. Taken together, our results revealed that polymorphisms of miR-5197, miR-605, miR-146a, and miR-27a contributed to the chemotherapy toxicity of lung cancer, which may serve as a predictive tool for toxicity evaluation of platinum-based chemotherapy in lung cancer patients.
Collapse
Affiliation(s)
- Chao Fang
- Department of Clinical Pharmacology, Xiangya Hospital, Central South University, Changsha, China.,Institute of Clinical Pharmacology, Central South University, Hunan Key Laboratory of Pharmacogenetics, Changsha, China
| | - Xiang-Ping Li
- Department of Pharmacy, Xiangya Hospital, Central South University, Changsha, China
| | - Wei-Jing Gong
- Department of Clinical Pharmacology, Xiangya Hospital, Central South University, Changsha, China.,Institute of Clinical Pharmacology, Central South University, Hunan Key Laboratory of Pharmacogenetics, Changsha, China
| | - Na-Yiyuan Wu
- Department of Clinical Pharmacology, Xiangya Hospital, Central South University, Changsha, China.,Institute of Clinical Pharmacology, Central South University, Hunan Key Laboratory of Pharmacogenetics, Changsha, China
| | - Jie Tang
- Department of Clinical Pharmacology, Xiangya Hospital, Central South University, Changsha, China.,Institute of Clinical Pharmacology, Central South University, Hunan Key Laboratory of Pharmacogenetics, Changsha, China
| | - Ji-Ye Yin
- Department of Clinical Pharmacology, Xiangya Hospital, Central South University, Changsha, China.,Institute of Clinical Pharmacology, Central South University, Hunan Key Laboratory of Pharmacogenetics, Changsha, China
| | - Xi Li
- Department of Clinical Pharmacology, Xiangya Hospital, Central South University, Changsha, China.,Institute of Clinical Pharmacology, Central South University, Hunan Key Laboratory of Pharmacogenetics, Changsha, China
| | - Wei Zhang
- Department of Clinical Pharmacology, Xiangya Hospital, Central South University, Changsha, China.,Institute of Clinical Pharmacology, Central South University, Hunan Key Laboratory of Pharmacogenetics, Changsha, China
| | - Hong-Hao Zhou
- Department of Clinical Pharmacology, Xiangya Hospital, Central South University, Changsha, China.,Institute of Clinical Pharmacology, Central South University, Hunan Key Laboratory of Pharmacogenetics, Changsha, China.,Hunan Province Cooperation Innovation Centre for Molecular Target New Drug Study, Hengyang, China
| | - Zhao-Qian Liu
- Department of Clinical Pharmacology, Xiangya Hospital, Central South University, Changsha, China.,Institute of Clinical Pharmacology, Central South University, Hunan Key Laboratory of Pharmacogenetics, Changsha, China.,Hunan Province Cooperation Innovation Centre for Molecular Target New Drug Study, Hengyang, China
| |
Collapse
|
11
|
Jiang W, Liu G, Tang W. MicroRNA-182-5p Ameliorates Liver Ischemia-Reperfusion Injury by Suppressing Toll-Like Receptor 4. Transplant Proc 2016; 48:2809-2814. [DOI: 10.1016/j.transproceed.2016.06.043] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2016] [Accepted: 06/06/2016] [Indexed: 12/21/2022]
|
12
|
Wei Y, Schober A. MicroRNA regulation of macrophages in human pathologies. Cell Mol Life Sci 2016; 73:3473-95. [PMID: 27137182 PMCID: PMC11108364 DOI: 10.1007/s00018-016-2254-6] [Citation(s) in RCA: 48] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2016] [Revised: 04/15/2016] [Accepted: 04/26/2016] [Indexed: 12/19/2022]
Abstract
Macrophages play a crucial role in the innate immune system and contribute to a broad spectrum of pathologies, like in the defence against infectious agents, in inflammation resolution, and wound repair. In the past several years, microRNAs (miRNAs) have been demonstrated to play important roles in immune diseases by regulating macrophage functions. In this review, we will summarize the role of miRNAs in the differentiation of monocytes into macrophages, in the classical and alternative activation of macrophages, and in the regulation of phagocytosis and apoptosis. Notably, miRNAs preferentially target genes related to the cellular cholesterol metabolism, which is of key importance for the inflammatory activation and phagocytic activity of macrophages. miRNAs functionally link various mechanisms involved in macrophage activation and contribute to initiation and resolution of inflammation. miRNAs represent promising diagnostic and therapeutic targets in different conditions, such as infectious diseases, atherosclerosis, and cancer.
Collapse
Affiliation(s)
- Yuanyuan Wei
- Experimental Vascular Medicine, Institute for Cardiovascular Prevention, Ludwig-Maximilians-University Munich, Pettenkoferstrasse 9, 80336, Munich, Germany
- DZHK (German Center for Cardiovascular Research), Partner Site Munich Heart Alliance, 80802, Munich, Germany
| | - Andreas Schober
- Experimental Vascular Medicine, Institute for Cardiovascular Prevention, Ludwig-Maximilians-University Munich, Pettenkoferstrasse 9, 80336, Munich, Germany.
- DZHK (German Center for Cardiovascular Research), Partner Site Munich Heart Alliance, 80802, Munich, Germany.
| |
Collapse
|
13
|
miR-223 Inhibits Lipid Deposition and Inflammation by Suppressing Toll-Like Receptor 4 Signaling in Macrophages. Int J Mol Sci 2015; 16:24965-82. [PMID: 26492242 PMCID: PMC4632784 DOI: 10.3390/ijms161024965] [Citation(s) in RCA: 73] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2015] [Revised: 09/04/2015] [Accepted: 09/20/2015] [Indexed: 12/16/2022] Open
Abstract
Atherosclerosis and its complications rank as the leading cause of death with the hallmarks of lipid deposition and inflammatory response. MicroRNAs (miRNAs) have recently garnered increasing interests in cardiovascular disease. In this study, we investigated the function of miR-223 and the underlying mechanism in atherosclerosis. In the atherosclerotic ApoE−/− mice models, an obvious increase of miR-223 was observed in aortic atherosclerotic lesions. In lipopolysaccharide (LPS) activated macrophages, its expression was decreased. The miR-223 overexpression significantly attenuated macrophage foam cell formation, lipid accumulation and pro-inflammatory cytokine production, which were reversed by anti-miR-223 inhibitor transfection. Mechanism assay corroborated that miR-223 negatively regulated the activation of the toll-like receptor 4 (TLR4)-nuclear factor-κB (NF-κB) pathway. Pretreatment with a specific inhibitor of NF-κB (pyrrolidinedithiocarbamate, PDTC) strikingly abrogated miR-223 silence-induced lipid deposition and inflammatory cytokine production. Furthermore, PI3K/AKT was activated by miR-223 up-regulation. Pretreatment with PI3K/AKT inhibitor LY294002 strikingly ameliorated the inhibitory effects of miR-223 on the activation of TLR4 and p65, concomitant with the increase in lipid deposition and inflammatory cytokine production. Together, these data indicate that miR-223 up-regulation might abrogate the development of atherosclerosis by blocking TLR4 signaling through activation of the PI3K/AKT pathway, and provides a promising therapeutic avenue for the treatment of atherosclerosis.
Collapse
|