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Yuan JN, Hong Y, Ma ZL, Pang RP, Lei QQ, Lv XF, Zhou JG, Huang H, Zhang TT. MiR-302a Limits Vascular Inflammation by Suppressing Nuclear Factor-κ B Pathway in Endothelial Cells. Front Cell Dev Biol 2021; 9:682574. [PMID: 34409030 PMCID: PMC8365611 DOI: 10.3389/fcell.2021.682574] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2021] [Accepted: 06/21/2021] [Indexed: 01/09/2023] Open
Abstract
The inflammatory response of endothelial cells accelerates various vascular diseases. MicroRNAs (miRNAs) participate in diverse cellular processes during inflammation. In the present study, we found that miR-302a is an effective suppressor of vascular inflammation in endothelial cells. It was revealed that miR-302a exhibited a lower level in a lipopolysaccharide (LPS)-induced mouse model and in patients with vascular inflammatory disease. Genetic haploinsufficiency of miR-302 aggravated the LPS-induced vascular inflammatory response in mice, and overexpression of miR-302a attenuated vascular inflammation in mice. Furthermore, overexpression of miR-302a inhibited the synthesis and secretion of adhesion factors in endothelial cells, and suppressed the adhesion of monocytes to endothelium. In the study of molecular mechanism, we found that miR-302a relieved vascular inflammation mainly by regulating the nuclear factor kappa-B (NF-κB) pathway in endothelial cells. The results showed that interleukin-1 receptor-associated kinase4 (IRAK4) and zinc finger protein 91 (ZFP91) were the binding targets of miR-302a. MiR-302a prevented the nuclear translocation of NF-κB by inhibiting phosphorylation of IκB kinase complex β (IKKβ) and inhibitors of κBα (IκBα) via targeting IRAK4. In addition, miR-302a downregulated the expression of NF-κB by directly binding with ZFP91. These findings indicate that miR-302a negatively regulates inflammatory responses in the endothelium via the NF-κB pathway and it may be a novel target for relieving vascular inflammation.
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Affiliation(s)
- Jia-Ni Yuan
- Program of Cardiovascular Research, The Eighth Affiliated Hospital, Zhongshan School Medicine, Sun Yat-sen University, Guangzhou, China.,Department of Pharmacology, and Cardiac and Cerebral Vascular Research Center, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China
| | - Yu Hong
- Department of Pharmacology, and Cardiac and Cerebral Vascular Research Center, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China
| | - Zhuo-Lin Ma
- Department of Physiology, Zhongshan School Medicine, Sun Yat-sen University, Guangzhou, China
| | - Rui-Ping Pang
- Department of Physiology, Zhongshan School Medicine, Sun Yat-sen University, Guangzhou, China
| | - Qing-Qing Lei
- Department of Pharmacology, and Cardiac and Cerebral Vascular Research Center, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China
| | - Xiao-Fei Lv
- Department of Pharmacology, and Cardiac and Cerebral Vascular Research Center, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China
| | - Jia-Guo Zhou
- Program of Cardiovascular Research, The Eighth Affiliated Hospital, Zhongshan School Medicine, Sun Yat-sen University, Guangzhou, China.,Department of Pharmacology, and Cardiac and Cerebral Vascular Research Center, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China
| | - Hui Huang
- Program of Cardiovascular Research, The Eighth Affiliated Hospital, Zhongshan School Medicine, Sun Yat-sen University, Guangzhou, China.,Department of Cardiology, The Eighth Affiliated Hospital, Sun Yat-sen University, Shenzhen, China
| | - Ting-Ting Zhang
- Program of Cardiovascular Research, The Eighth Affiliated Hospital, Zhongshan School Medicine, Sun Yat-sen University, Guangzhou, China.,Department of Pharmacology, and Cardiac and Cerebral Vascular Research Center, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China.,Department of Cardiology, The Eighth Affiliated Hospital, Sun Yat-sen University, Shenzhen, China
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Shen X, Gu H, Ma P, Luo Z, Li M, Hu Y, Cai K. Minocycline-incorporated multilayers on titanium substrates for simultaneous regulation of MSCs and macrophages. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2019; 102:696-707. [DOI: 10.1016/j.msec.2019.04.074] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/03/2018] [Revised: 03/27/2019] [Accepted: 04/23/2019] [Indexed: 01/03/2023]
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Christodoulides A, Gupta N, Yacoubian V, Maithel N, Parker J, Kelesidis T. The Role of Lipoproteins in Mycoplasma-Mediated Immunomodulation. Front Microbiol 2018; 9:1682. [PMID: 30108558 PMCID: PMC6080569 DOI: 10.3389/fmicb.2018.01682] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2017] [Accepted: 07/05/2018] [Indexed: 01/16/2023] Open
Abstract
Mycoplasma infections, such as walking pneumonia or pelvic inflammatory diseases, are a major threat to public health. Despite their relatively small physical and genomic size, mycoplasmas are known to elicit strong host immune responses, generally inflammatory, while also being able to evade the immune system. The mycoplasma membrane is composed of approximately two-thirds protein and one-third lipid and contains several lipoproteins that are known to regulate host immune responses. Herein, the immunomodulatory effects of mycoplasma lipoproteins are reviewed. A better understanding of the immunomodulatory effects, both activating and evasive, of Mycoplasma surface lipoproteins will contribute to understanding mechanisms potentially relevant to mycoplasma disease vaccine development and treatment.
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Affiliation(s)
- Alexei Christodoulides
- David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, United States
| | - Neha Gupta
- David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, United States
| | - Vahe Yacoubian
- David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, United States
| | - Neil Maithel
- David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, United States
| | - Jordan Parker
- David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, United States
| | - Theodoros Kelesidis
- David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, United States
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Yuan B, Zou M, Zhao Y, Zhang K, Sun Y, Peng X. Up-Regulation of miR-130b-3p Activates the PTEN/PI3K/AKT/NF-κB Pathway to Defense against Mycoplasma gallisepticum ( HS Strain) Infection of Chicken. Int J Mol Sci 2018; 19:ijms19082172. [PMID: 30044397 PMCID: PMC6121889 DOI: 10.3390/ijms19082172] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2018] [Revised: 07/15/2018] [Accepted: 07/20/2018] [Indexed: 12/20/2022] Open
Abstract
Mycoplasma gallisepticum (MG) is the pathogen of chronic respiratory disease (CRD), hallmarked by vigorous inflammation in chickens, causing the poultry industry enormous losses. miRNAs have emerged as important regulators of animal diseases. Previous miRNA sequencing data has demonstrated that miR-130b-3p is up-regulated in MG-infected chicken embryo lungs. Therefore, we aimed to investigate the function of miR-130b-3p in MG infection of chickens. RT-qPCR results confirmed that miR-130b-3p was up-regulated both in MG-infected chicken embryo lungs and chicken embryonic fibroblast cells (DF-1 cells). Furthermore, functional studies showed that overexpression of miR-130b-3p promoted MG-infected DF-1 cell proliferation and cell cycle, whereas inhibition of miR-130b-3p weakened these cellular processes. Luciferase reporter assay combined with gene expression data supported that phosphatase and tensin homolog deleted on chromosome ten (PTEN) was a direct target of miR-130b-3p. Additionally, overexpression of miR-130b-3p resulted in up-regulations of phosphatidylinositol-3 kinase (PI3K), serine/threonine kinase (AKT), and nuclear factor-κB (NF-κB), whereas inhibition of miR-130b-3p led to the opposite results. Altogether, upon MG infection, up-regulation of miR-130b-3p activates the PI3K/AKT/NF-κB pathway, facilitates cell proliferation and cell cycle via down-regulating PTEN. This study helps to understand the mechanism of host response to MG infection.
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Affiliation(s)
- Bo Yuan
- Key Laboratory of Agricultural Animal Genetics, Breeding and Reproduction Ministry of Education, College of Animal Science and Technology and College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China.
| | - Mengyun Zou
- Key Laboratory of Agricultural Animal Genetics, Breeding and Reproduction Ministry of Education, College of Animal Science and Technology and College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China.
| | - Yabo Zhao
- Key Laboratory of Agricultural Animal Genetics, Breeding and Reproduction Ministry of Education, College of Animal Science and Technology and College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China.
| | - Kang Zhang
- Key Laboratory of Agricultural Animal Genetics, Breeding and Reproduction Ministry of Education, College of Animal Science and Technology and College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China.
| | - Yingfei Sun
- Key Laboratory of Agricultural Animal Genetics, Breeding and Reproduction Ministry of Education, College of Animal Science and Technology and College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China.
| | - Xiuli Peng
- Key Laboratory of Agricultural Animal Genetics, Breeding and Reproduction Ministry of Education, College of Animal Science and Technology and College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China.
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Huang X, Qiao Y, Zhou Y, Ruan Z, Kong Y, Li G, Xie X, Zhang J. Ureaplasma spp. lipid-associated membrane proteins induce human monocyte U937 cell cycle arrest through p53-independent p21 pathway. Int J Med Microbiol 2018; 308:819-828. [PMID: 30033344 DOI: 10.1016/j.ijmm.2018.07.005] [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: 03/16/2018] [Revised: 06/20/2018] [Accepted: 07/15/2018] [Indexed: 12/26/2022] Open
Abstract
Ureaplasma spp. are known to be associated with human genitourinary tract diseases and perinatal diseases and Ureaplasma spp. Lipid-associated membrane proteins (LAMPs) play important roles in their related diseases. However, the exact mechanism underlying pathogenesis of Ureaplasma spp. LAMPs is largely unknown. In this study, we explored the pathogenic mechanisms of Ureaplasma spp. LAMPs by elucidating their role in modulating the cell cycle and related signaling pathways in human monocytic cell U937, which is highly related to the inflammatory and protective effect in infectious diseases. We utilized the two ATCC reference strains (Ureaplasma parvum serovar 3 str. ATCC 27,815 (UPA3) and Ureaplasma urealyticum serovar 8 str. ATCC 27,618 (UUR8)) and nine clinical isolates which including both UPA and UUR to study the effects of Ureaplasma spp. LAMPs on U937 in vitro. We found that LAMPs derived from UUR8 and both UPA and UUR of clinical strains markedly inhibited the cell proliferation, while UPA3 LAMPs suppressed slightly. Besides, the result of flow cytometry analysis indicated all the Ureaplasma spp. LAMPs could arrest U937 cells in G1 phase. Next, we found that the cell cycle arrest was associated with increased levels of p53 and p21, and a concomitant decrease in the levels of CDK2, CDK4, CDK6 and cyclin E1 at both transcriptional and translational levels after treatment with LAMPs derived from UUR8 or clinical strains, while only cyclin E1 was down-regulated after treatment with UPA3 LAMPs. Further study showed that p53 down-regulation had almost no effect on the distribution of cell cycle and the expression of p21. In conclusion, this study demonstrated that LAMPs derived from UUR8 and clinical strains could inhibit the proliferation of U937 cells by inducing G1 cell cycle arrest through increasing the p21 expression in a p53-independent manner, while UPA3 LAMPs could induce the cell cycle arrest slightly. Our study could contribute to the understanding of Ureaplasma spp. pathogenesis, which has potential value for the treatment of Ureaplasma spp. infections.
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Affiliation(s)
- Xucheng Huang
- Clinical Laboratory, Sir Run Run Shaw Hospital, College of Medicine, Zhejiang University, Hangzhou, Zhejiang 310016, China; Biomedical Research Center, Sir Run Run Shaw Hospital, College of Medicine, Zhejiang University, Hangzhou, Zhejiang 310016, China
| | - Yingli Qiao
- Clinical Laboratory, Sir Run Run Shaw Hospital, College of Medicine, Zhejiang University, Hangzhou, Zhejiang 310016, China; Biomedical Research Center, Sir Run Run Shaw Hospital, College of Medicine, Zhejiang University, Hangzhou, Zhejiang 310016, China
| | - Yixuan Zhou
- Clinical Laboratory, Sir Run Run Shaw Hospital, College of Medicine, Zhejiang University, Hangzhou, Zhejiang 310016, China; Biomedical Research Center, Sir Run Run Shaw Hospital, College of Medicine, Zhejiang University, Hangzhou, Zhejiang 310016, China
| | - Zhi Ruan
- Clinical Laboratory, Sir Run Run Shaw Hospital, College of Medicine, Zhejiang University, Hangzhou, Zhejiang 310016, China; Biomedical Research Center, Sir Run Run Shaw Hospital, College of Medicine, Zhejiang University, Hangzhou, Zhejiang 310016, China
| | - Yingying Kong
- Clinical Laboratory, Sir Run Run Shaw Hospital, College of Medicine, Zhejiang University, Hangzhou, Zhejiang 310016, China; Biomedical Research Center, Sir Run Run Shaw Hospital, College of Medicine, Zhejiang University, Hangzhou, Zhejiang 310016, China
| | - Guoli Li
- Clinical Laboratory, Sir Run Run Shaw Hospital, College of Medicine, Zhejiang University, Hangzhou, Zhejiang 310016, China; Biomedical Research Center, Sir Run Run Shaw Hospital, College of Medicine, Zhejiang University, Hangzhou, Zhejiang 310016, China
| | - Xinyou Xie
- Clinical Laboratory, Sir Run Run Shaw Hospital, College of Medicine, Zhejiang University, Hangzhou, Zhejiang 310016, China; Biomedical Research Center, Sir Run Run Shaw Hospital, College of Medicine, Zhejiang University, Hangzhou, Zhejiang 310016, China.
| | - Jun Zhang
- Clinical Laboratory, Sir Run Run Shaw Hospital, College of Medicine, Zhejiang University, Hangzhou, Zhejiang 310016, China; Biomedical Research Center, Sir Run Run Shaw Hospital, College of Medicine, Zhejiang University, Hangzhou, Zhejiang 310016, China.
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Živković M, Kolić I, Jesić S, Jotić A, Stanković A. The Allele 2 of the VNTR Polymorphism in the Gene That Encodes a Natural Inhibitor of IL-1β, IL-1RA Is Favorably Associated With Chronic Otitis Media. Clin Exp Otorhinolaryngol 2018; 11:118-123. [PMID: 29433161 PMCID: PMC5951068 DOI: 10.21053/ceo.2017.01060] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2017] [Revised: 01/05/2018] [Accepted: 01/05/2018] [Indexed: 12/19/2022] Open
Abstract
Objectives Chronic otitis media (COM) is followed by irreversible tissue damage and destruction of the middle ear structures, with the possibility of complications under the maintenance of inflammation. Inflammatory mediators such as cytokines play a crucial role in the initial stage of inflammation. The aim of this study was to evaluate the association of the polymorphisms in two innate immunity/inflammation cascade genes from interleukin-1 (IL-1) gene cluster with COM with regard to cholesteatoma. Methods In the cross-sectional case-control study, DNA samples were collected from 189 patients with COM and 119 controls from a population of Serbia. The +3953 C/T (rs1143634), TaqI polymorphism in interleukin-1 beta (IL-1β) gene and 86 bp variable number tandem repeat (VNTR, rs2234663) polymorphism in the IL-1 receptor antagonist (IL-1RA) gene were analyzed by polymerase chain reaction. Results The IL-1β TaqI polymorphism was not significantly different in patients compared with the control group. The significant difference between patients and controls was observed for both, genotype and allele frequencies of IL-1RA VNTR polymorphism (chi-square P<0.01). We found that carriers of IL-1RA allele 2 (odds ratio, 0.47; 95% confidence interval, 0.29 to 0.76; P=0.004) have a favorable association with COM, using multivariate logistic analysis that included both polymorphisms, age and sex. The IL-1RA allele frequency distribution was significantly different with regard to cholesteatoma. Conclusion The carriers of allele 2 of VNTR IL-1RA polymorphism had a decreased odds ratio for COM, which is in agreement with findings in other inflammatory disease and its previous association with higher IL-1RA levels. Possible down-regulation of IL-1 mediated proinflammatory signaling pathways via IL-1RA in COM as well as results of our study should be further investigated and replicated.
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Affiliation(s)
- Maja Živković
- Vinca Institute of Nuclear Sciences, Laboratory for Radiobiology and Molecular Genetics, University of Belgrade, Belgrade, Serbia
| | - Ivana Kolić
- Vinca Institute of Nuclear Sciences, Laboratory for Radiobiology and Molecular Genetics, University of Belgrade, Belgrade, Serbia
| | - Snežana Jesić
- Clinic of Otorhinolaryngology and Maxillofacial Surgery, Clinical Centre of Serbia, University of Belgrade School of Medicine, Belgrade, Serbia
| | - Ana Jotić
- Clinic of Otorhinolaryngology and Maxillofacial Surgery, Clinical Centre of Serbia, University of Belgrade School of Medicine, Belgrade, Serbia
| | - Aleksandra Stanković
- Vinca Institute of Nuclear Sciences, Laboratory for Radiobiology and Molecular Genetics, University of Belgrade, Belgrade, Serbia
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