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Lin X, Tao T, He X, Mao L, Pan L, Chen L. LncRNA MEG8 ameliorates Parkinson's disease neuro-inflammation through miR-485-3p/FBXO45 axis. Acta Neurol Belg 2024; 124:549-557. [PMID: 37814093 DOI: 10.1007/s13760-023-02388-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2023] [Accepted: 09/09/2023] [Indexed: 10/11/2023]
Abstract
OBJECTIVE Studies suggest that LncRNA maternally expressed 8, small nucleolar RNA host gene (MEG8) contributes to inflammatory regulation, while the function and potential mechanisms of MEG8 in Parkinson's disease (PD) are unknown. This study aimed to assess the clinical value and biological function of MEG8 in PD. METHODS One hundred and two PD patients, eighty-six AD patients, and eighty healthy controls were enrolled in this study. Lipopolysaccharide (LPS)-induced microglia BV2 constructs an in vitro cell model. RT-qPCR was conducted to quantify the levels of MEG8, miR-485-3p, and FBXO45 in serum and cells. ROC curve was employed to examine the diagnostic value of MEG8 in PD. Serum and cellular pro-inflammatory factor secretion were quantified by ELISA. Dual-luciferase reporter and RIP assay to validate the targeting relationship between miR-485-3p and FBXO45. RESULTS MEG8 and FBXO45 were significantly decreased in the serum of PD patients and LPS-induced bv2, while miR-485-3p was increased (P < 0.05). ROC curve confirmed that serum MEG8 has high sensitivity and specificity to identify PD patients from healthy controls and AD patients, respectively. Elevated MEG8 alleviated LPS-induced inflammatory factor overproduction compared with LPS-induced BV2 (P < 0.05), but this alleviating effect was eliminated by miR-485-3p (P < 0.05). The LPS-induced inflammatory response was suppressed by the low expression of miR-485-3p but significantly reversed by silencing of FBXO45. MEG8 was a sponge for miR-485-3p and inhibited its levels and promoted FBXO45 expression (P < 0.05). CONCLUSION Elevated MEG8 is a potential diagnostic biomarker for PD and may mitigate inflammatory damage in PD via the miR-485-3p/FBXO45 axis.
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Affiliation(s)
- Xia Lin
- Department of Neurology, Taizhou Central Hospital (Taizhou University Hospital), No.999, Donghai Avenue, Jiaojiang District, Taizhou, 318000, Zhejiang, China
| | - Taotao Tao
- Department of Neurology, Taizhou Central Hospital (Taizhou University Hospital), No.999, Donghai Avenue, Jiaojiang District, Taizhou, 318000, Zhejiang, China
| | - Xinwei He
- Department of Neurology, Taizhou Central Hospital (Taizhou University Hospital), No.999, Donghai Avenue, Jiaojiang District, Taizhou, 318000, Zhejiang, China
| | - Lingqun Mao
- Department of Neurology, Taizhou Central Hospital (Taizhou University Hospital), No.999, Donghai Avenue, Jiaojiang District, Taizhou, 318000, Zhejiang, China
| | - Luping Pan
- Department of Neurology, Taizhou Central Hospital (Taizhou University Hospital), No.999, Donghai Avenue, Jiaojiang District, Taizhou, 318000, Zhejiang, China
| | - Linkao Chen
- Department of Neurology, Taizhou Central Hospital (Taizhou University Hospital), No.999, Donghai Avenue, Jiaojiang District, Taizhou, 318000, Zhejiang, China.
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Belardo C, Jebali J, Boccella S, Infantino R, Fusco A, Perrone M, Bonsale R, Manzo I, Iannotta M, Scuteri D, Ferraraccio F, Panarese I, Ferrara G, Guida F, Luongo L, Palazzo E, Srairi-Abid N, Marrakchi N, Maione S. Biphasic Hormetic-like Effect of Lebecetin, a C-type Lectin of Snake Venom, on Formalin-induced Inflammation in Mice. Curr Neuropharmacol 2024; 22:1391-1405. [PMID: 38073106 PMCID: PMC11092918 DOI: 10.2174/1570159x22999231207105743] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2022] [Revised: 03/21/2023] [Accepted: 03/23/2023] [Indexed: 05/16/2024] Open
Abstract
BACKGROUND Integrins, important extracellular matrix (ECM) receptor proteins, are affected by inflammation and can participate in the maintenance of many painful conditions. Although they are ubiquitous and changeable across all cell types, the roles of these cell adhesion molecules in pathological pain have not been fully explored. OBJECTIVE We evaluated the effects of the subcutaneous injection of lebecetin, a C-type lectin isolated from Macrovipera lebetina snake venom, previously reported to inhibit α5β1 and αv integrin activity, on different components of inflammation induced by the formalin administration in the hind paw of mice. METHODS The formalin-induced nocifensive behavior, edema, and histopathological changes in the hind paw associated with cytokine, iNOS, and COX2 expression, nociceptive-specific neuron activity, and microglial activation analysis in the spinal cord were evaluated in mice receiving vehicle or lebecetin pretreatment. RESULTS Lebecetin inhibited the nocifensive responses in the formalin test, related edema, and cell infiltration in the injected paw in a biphasic, hormetic-like, and dose-dependent way. According to that hormetic trend, a reduction in pro-inflammatory cytokines IL-6, IL-8, and TNF-alpha and upregulation of the anti-inflammatory cytokine IL-10 in the spinal cord were found with the lowest doses of lebecetin. Moreover, COX2 and iNOS expression in serum and spinal cord followed the same biphasic pattern of cytokines. Finally, nociceptive neurons sensitization and activated microglia were normalized in the dorsal horn of the spinal cord by lebecetin. CONCLUSION These findings implicate specific roles of integrins in inflammation and tonic pain, as well as in the related central nervous system sequelae.
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Affiliation(s)
- Carmela Belardo
- Department of Experimental Medicine, Pharmacology Division, University of Campania “L. Vanvitelli”, Naples, Italy
| | - Jed Jebali
- Laboratory of Biomolecules, Venoms and Theranostic Applications, LR20IPT01, Institut Pasteur of Tunis, University of Tunis El Manar, Tunis 1002, Tunisia
| | - Serena Boccella
- Department of Experimental Medicine, Pharmacology Division, University of Campania “L. Vanvitelli”, Naples, Italy
| | - Rosmara Infantino
- Department of Experimental Medicine, Pharmacology Division, University of Campania “L. Vanvitelli”, Naples, Italy
| | - Antimo Fusco
- Department of Experimental Medicine, Pharmacology Division, University of Campania “L. Vanvitelli”, Naples, Italy
| | - Michela Perrone
- Department of Experimental Medicine, Pharmacology Division, University of Campania “L. Vanvitelli”, Naples, Italy
| | - Roozbe Bonsale
- Department of Experimental Medicine, Pharmacology Division, University of Campania “L. Vanvitelli”, Naples, Italy
| | - Iolanda Manzo
- Department of Experimental Medicine, Pharmacology Division, University of Campania “L. Vanvitelli”, Naples, Italy
| | - Monica Iannotta
- Department of Experimental Medicine, Pharmacology Division, University of Campania “L. Vanvitelli”, Naples, Italy
| | - Damiana Scuteri
- Pharmacotechnology Documentation and Transfer Unit, Preclinical and Translational Pharmacology, Department of Pharmacy, Health and Nutritional Sciences, University of Calabria, Rende, Italy
| | - Franca Ferraraccio
- Pathology Unit, Department of Mental and Physical Health and Preventive Medicine, University of Campania “L. Vanvitelli”, Naples, Italy
| | - Iacopo Panarese
- Pathology Unit, Department of Mental and Physical Health and Preventive Medicine, University of Campania “L. Vanvitelli”, Naples, Italy
| | - Giovanna Ferrara
- Pathology Unit, Department of Mental and Physical Health and Preventive Medicine, University of Campania “L. Vanvitelli”, Naples, Italy
| | - Francesca Guida
- Department of Experimental Medicine, Pharmacology Division, University of Campania “L. Vanvitelli”, Naples, Italy
| | - Livio Luongo
- Department of Experimental Medicine, Pharmacology Division, University of Campania “L. Vanvitelli”, Naples, Italy
| | - Enza Palazzo
- Department of Experimental Medicine, Pharmacology Division, University of Campania “L. Vanvitelli”, Naples, Italy
| | - Najet Srairi-Abid
- Laboratory of Biomolecules, Venoms and Theranostic Applications, LR20IPT01, Institut Pasteur of Tunis, University of Tunis El Manar, Tunis 1002, Tunisia
| | - Naziha Marrakchi
- Laboratory of Biomolecules, Venoms and Theranostic Applications, LR20IPT01, Institut Pasteur of Tunis, University of Tunis El Manar, Tunis 1002, Tunisia
| | - Sabatino Maione
- Department of Experimental Medicine, Pharmacology Division, University of Campania “L. Vanvitelli”, Naples, Italy
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Zhang J, Yang Y, Zhou C, Zhu R, Xiao X, Zhou B, Wan D. LncRNA miR-17-92a-1 cluster host gene (MIR17HG) promotes neuronal damage and microglial activation by targeting the microRNA-153-3p/alpha-synuclein axis in Parkinson's disease. Bioengineered 2022; 13:4493-4516. [PMID: 35137671 PMCID: PMC8974023 DOI: 10.1080/21655979.2022.2033409] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
Long noncoding RNAs (lncRNAs) have been regarded as modulators of neurodegenerative diseases. Here, we addressed the role of lncRNA miR-17-92a-1 cluster host gene (MIR17HG) in Parkinson's disease (PD). C57BL/6 mice and SH-SY5Y cells were intervened with 6-hydroxydopamine (6-OHDA) to set up PD models in vivo and in vitro. Quantitative reverse transcription-polymerase chain reaction (qRT-PCR) was implemented to compare the expression of MIR17HG and miR-153-3p. Cell viability and apoptosis were estimated by 3-(4,5-dimethyithiazol-2-yl)-2,5-diphenyl-tetrazolium bromide (MTT) and Western blot (WB). The expression of alpha-synuclein (α-syn, SNCA) in BV2 was validated by enzyme-linked immunosorbent assay (ELISA). Reactive oxygen species (ROS) generation and lactate dehydrogenase (LDH) and superoxide dismutase (SOD) activity were evaluated using commercially available kits. Bioinformatics analysis, the dual-luciferase reporter assay, RNA immunoprecipitation (RIP) and qRT-PCR were conducted to demonstrate the interactions between miR-153-3p, MIR17HG, and alpha-synuclein (SNCA). MIR17HG was up-regulated while miR-153-3p was down-regulated in PD patients, mouse models and cells. Inhibiting MIR17HG attenuated neuronal apoptosis, microglial activation and SNCA expression in PD mice. Conditioned medium from 6-OHDA-treated SH-SY5Y cells intensified microglial inflammation, while inhibition of MIR17HG or overexpression of miR-153-3p restrained the inflammatory responses. MIR17HG's function was enforced by sponging miR-153-3p and releasing the attenuation of the putative targets of miR-153-3p and SNCA. Overall, MIR17HG, by targeting miR-153-3p and up-regulating SNCA, stimulates neuronal apoptosis and microglial inflammation in PD.
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Affiliation(s)
- Jianzhong Zhang
- Department of Neurosurgery, Jiangxi Provincial People's Hospital Affiliated to Nanchang University, Nanchang, Jiangxi, China
| | - Yun Yang
- Department of Neurology, Jiangxi Provincial People's Hospital Affiliated to Nanchang University, Nanchang, Jiangxi, China
| | - Chaoyang Zhou
- Department of Neurosurgery, Jiangxi Provincial People's Hospital Affiliated to Nanchang University, Nanchang, Jiangxi, China
| | - Ronglan Zhu
- Department of Neurosurgery, Jiangxi Provincial People's Hospital Affiliated to Nanchang University, Nanchang, Jiangxi, China
| | - Xiang Xiao
- Department of Neurosurgery, Jiangxi Provincial People's Hospital Affiliated to Nanchang University, Nanchang, Jiangxi, China
| | - Bin Zhou
- Department of Neurosurgery, Jiangxi Provincial People's Hospital Affiliated to Nanchang University, Nanchang, Jiangxi, China
| | - Dengfeng Wan
- Department of Neurosurgery, Jiangxi Provincial People's Hospital Affiliated to Nanchang University, Nanchang, Jiangxi, China
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Ma C, Li Q, Dai X. Carrageenan Oligosaccharides Extend Life Span and Health Span in Male Drosophila Melanogaster by Modulating Antioxidant Activity, Immunity, and Gut Microbiota. J Med Food 2021; 24:101-109. [PMID: 33449862 DOI: 10.1089/jmf.2019.4663] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Carrageenan oligosaccharide (CAO), the hydrolysate of carrageenan from marine red algae, is used as a prebiotic additive or medical material. In this study, male Drosophila melanogaster was used as an animal model to explore the possibility that CAO can extend the life span through its relationship with antioxidation, immunity, and gut microbiota in vivo. The results show that a certain amount of CAO effectively prolonged the average life span and improved the climbing vitality and fecundity of male Drosophila. In addition, 0.125% CAO in the diet significantly increased the activity of Cu,Zn-superoxide dismutase (Cu,Zn-SOD) and catalase (CAT), reduced the content of malondialdehyde (MDA), and significantly repressed the expression of nuclear factor kappa B (NF-κB) gene in old male Drosophila tissues. In the intestinal microbiota analysis, 0.125% CAO in the diet increased the diversity of gut microbiota and improved the abundance of Commensalibacter at the genus level in Drosophila on the 40th day. The above results indicated that CAO supplementation could extend the life span of male Drosophila by improving antioxidant activity, immunity, and by regulating intestinal microflora.
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Affiliation(s)
- Chao Ma
- College of Life Sciences, China Jiliang University, Hangzhou, Zhejiang, China
| | - Qiaowei Li
- College of Life Sciences, China Jiliang University, Hangzhou, Zhejiang, China
| | - Xianjun Dai
- College of Life Sciences, China Jiliang University, Hangzhou, Zhejiang, China
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Jebali J, Zakraoui O, Aissaoui D, Abdelkafi-Koubaa Z, Srairi-Abid N, Marrakchi N, Essafi-Benkhadir K. Lebecetin, a snake venom C-type lectin protein, modulates LPS-induced inflammatory cytokine production in human THP-1-derived macrophages. Toxicon 2020; 187:144-150. [PMID: 32918926 DOI: 10.1016/j.toxicon.2020.09.001] [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] [Received: 07/10/2020] [Revised: 08/11/2020] [Accepted: 09/07/2020] [Indexed: 10/25/2022]
Abstract
The excessive production of inflammatory mediators results in an overactive immune response leading to the worsening of various human diseases. Thus, there is a still need to identify molecules able to regulate the inflammatory response. Lebecetin, a C-type lectin protein isolated from Macrovipera lebetina snake venom, was previously characterized as a platelet aggregation inhibitor and antitumor active biomolecule. In the present work, we investigated its effect on the production of some cytokines linked to inflammatory response and the underlying mechanisms in lipopolysaccharide (LPS)-induced THP1 macrophages. Interestingly, we found that lebecetin reduced the levels of the pro-inflammatory cytokines TNF-α, IL-6, and IL-8 while it partially increased LPS-induced secretion of the immunomodulatory cytokine IL-10. Furthermore, this modulatory effect was accompanied by decreased activation of ERK1/2, p38, AKT kinases and NF-κB along with reduced expression of αvβ3 integrin. Thus, this study highlights the promising role of lebecetin as a natural biomolecule that could manage the inflammatory response involved in the development and progression of inflammatory diseases.
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Affiliation(s)
- Jed Jebali
- Institut Pasteur de Tunis, LR11IPT08/LR16IPT08 Laboratoire des Venins et Molécules Thérapeutiques, 1002, Tunis, Tunisia; Université de Tunis El Manar, 1068, Tunis, Tunisia.
| | - Ons Zakraoui
- Institut Pasteur de Tunis, LR11IPT04/LR16IPT04 Laboratoire d'Epidémiologie Moléculaire et de Pathologie Expérimentale Appliquée Aux Maladies Infectieuses, 1002, Tunis, Tunisia; Université de Tunis El Manar, 1068, Tunis, Tunisia
| | - Dorra Aissaoui
- Institut Pasteur de Tunis, LR11IPT08/LR16IPT08 Laboratoire des Venins et Molécules Thérapeutiques, 1002, Tunis, Tunisia; Université de Tunis El Manar, 1068, Tunis, Tunisia
| | - Zaineb Abdelkafi-Koubaa
- Institut Pasteur de Tunis, LR11IPT08/LR16IPT08 Laboratoire des Venins et Molécules Thérapeutiques, 1002, Tunis, Tunisia; Université de Tunis El Manar, 1068, Tunis, Tunisia
| | - Najet Srairi-Abid
- Institut Pasteur de Tunis, LR11IPT08/LR16IPT08 Laboratoire des Venins et Molécules Thérapeutiques, 1002, Tunis, Tunisia; Université de Tunis El Manar, 1068, Tunis, Tunisia
| | - Naziha Marrakchi
- Institut Pasteur de Tunis, LR11IPT08/LR16IPT08 Laboratoire des Venins et Molécules Thérapeutiques, 1002, Tunis, Tunisia; Université de Tunis El Manar, 1068, Tunis, Tunisia; Faculté de Médecine de Tunis, Tunis, Tunisia
| | - Khadija Essafi-Benkhadir
- Institut Pasteur de Tunis, LR11IPT04/LR16IPT04 Laboratoire d'Epidémiologie Moléculaire et de Pathologie Expérimentale Appliquée Aux Maladies Infectieuses, 1002, Tunis, Tunisia; Université de Tunis El Manar, 1068, Tunis, Tunisia.
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Do HTT, Bui BP, Sim S, Jung JK, Lee H, Cho J. Anti-Inflammatory and Anti-Migratory Activities of Isoquinoline-1-Carboxamide Derivatives in LPS-Treated BV2 Microglial Cells via Inhibition of MAPKs/NF-κB Pathway. Int J Mol Sci 2020; 21:ijms21072319. [PMID: 32230861 PMCID: PMC7177615 DOI: 10.3390/ijms21072319] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2020] [Revised: 03/24/2020] [Accepted: 03/26/2020] [Indexed: 12/17/2022] Open
Abstract
Eleven novel isoquinoline-1-carboxamides (HSR1101~1111) were synthesized and evaluated for their effects on lipopolysaccharide (LPS)-induced production of pro-inflammatory mediators and cell migration in BV2 microglial cells. Three compounds (HSR1101~1103) exhibited the most potent suppression of LPS-induced pro-inflammatory mediators, including interleukin (IL)-6, tumor necrosis factor-alpha, and nitric oxide (NO), without significant cytotoxicity. Among them, only N-(2-hydroxyphenyl) isoquinoline-1-carboxamide (HSR1101) was found to reverse LPS-suppressed anti-inflammatory cytokine IL-10, so it was selected for further characterization. HSR1101 attenuated LPS-induced expression of inducible NO synthase and cyclooxygenase-2. Particularly, HSR1101 abated LPS-induced nuclear translocation of NF-κB through inhibition of IκB phosphorylation. Furthermore, HSR1101 inhibited LPS-induced cell migration and phosphorylation of mitogen-activated protein kinases (MAPKs) including extracellular signal-regulated kinase 1/2, c-Jun N-terminal kinase, and p38 MAPK. The specific MAPK inhibitors, U0126, SP600125, and SB203580, suppressed LPS-stimulated pro-inflammatory mediators, cell migration, and NF-κB nuclear translocation, indicating that MAPKs may be the upstream kinase of NF-κB signaling. Collectively, these results demonstrate that HSR1101 is a potent and promising compound suppressing LPS-induced inflammation and cell migration in BV2 microglial cells, and that inhibition of the MAPKs/NF-κB pathway mediates its anti-inflammatory and anti-migratory effects. Based on our findings, HSR1101 may have beneficial impacts on various neurodegenerative disorders associated with neuroinflammation and microglial activation.
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Affiliation(s)
- Ha Thi Thu Do
- College of Pharmacy, Dongguk University-Seoul, Goyang, Gyeonggi 10326, Korea; (H.T.T.D.); (B.P.B.)
| | - Bich Phuong Bui
- College of Pharmacy, Dongguk University-Seoul, Goyang, Gyeonggi 10326, Korea; (H.T.T.D.); (B.P.B.)
| | - Seongrak Sim
- College of Pharmacy, Chungbuk National University, Osong, Cheongju 28160, Korea; (S.S.); (J.-K.J.)
| | - Jae-Kyung Jung
- College of Pharmacy, Chungbuk National University, Osong, Cheongju 28160, Korea; (S.S.); (J.-K.J.)
| | - Heesoon Lee
- College of Pharmacy, Chungbuk National University, Osong, Cheongju 28160, Korea; (S.S.); (J.-K.J.)
- Correspondence: (H.L.); (J.C.)
| | - Jungsook Cho
- College of Pharmacy, Dongguk University-Seoul, Goyang, Gyeonggi 10326, Korea; (H.T.T.D.); (B.P.B.)
- Correspondence: (H.L.); (J.C.)
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