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Veyssiere M, Rodriguez Ordonez MDP, Chalabi S, Michou L, Cornelis F, Boland A, Olaso R, Deleuze JF, Petit-Teixeira E, Chaudru V. MYLK* FLNB and DOCK1* LAMA2 gene-gene interactions associated with rheumatoid arthritis in the focal adhesion pathway. Front Genet 2024; 15:1375036. [PMID: 38803542 PMCID: PMC11128622 DOI: 10.3389/fgene.2024.1375036] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2024] [Accepted: 04/18/2024] [Indexed: 05/29/2024] Open
Abstract
Rheumatoid arthritis (RA) is a chronic, systemic autoimmune disease caused by a combination of genetic and environmental factors. Rare variants with low predicted effects in genes participating in the same biological function might be involved in developing complex diseases such as RA. From whole-exome sequencing (WES) data, we identified genes containing rare non-neutral variants with complete penetrance and no phenocopy in at least one of nine French multiplex families. Further enrichment analysis highlighted focal adhesion as the most significant pathway. We then tested if interactions between the genes participating in this function would increase or decrease the risk of developing RA disease. The model-based multifactor dimensionality reduction (MB-MDR) approach was used to detect epistasis in a discovery sample (19 RA cases and 11 healthy individuals from 9 families and 98 unrelated CEU controls from the International Genome Sample Resource). We identified 9 significant interactions involving 11 genes (MYLK, FLNB, DOCK1, LAMA2, RELN, PIP5K1C, TNC, PRKCA, VEGFB, ITGB5, and FLT1). One interaction (MYLK*FLNB) increasing RA risk and one interaction decreasing RA risk (DOCK1*LAMA2) were confirmed in a replication sample (200 unrelated RA cases and 91 GBR unrelated controls). Functional and genomic data in RA samples or relevant cell types argue the key role of these genes in RA.
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Affiliation(s)
- Maëva Veyssiere
- Institut National de la Santé et de la Recherche Médicale, Université de Paris, Paris, France
| | | | - Smahane Chalabi
- GenHotel—Univ Evry, University of Paris Saclay, Evry, France
| | - Laetitia Michou
- Division of Rheumatology, Department of Medicine, CHU de Québec-Université Laval, Québec City, QC, Canada
| | - François Cornelis
- Génétiqe-Oncogénétique Adulte-Prévention, Institut National de la Santé et de la Recherche Médicale, Clermont-Auvergne University and CHU, Clermont-Ferrand, France
| | - Anne Boland
- Commissariat à l'Energie Atomique, Centre National de Recherche en Génomique Humaine (CNRGH), Université Paris-Saclay, Evry, France
| | - Robert Olaso
- Commissariat à l'Energie Atomique, Centre National de Recherche en Génomique Humaine (CNRGH), Université Paris-Saclay, Evry, France
| | - Jean-François Deleuze
- Commissariat à l'Energie Atomique, Centre National de Recherche en Génomique Humaine (CNRGH), Université Paris-Saclay, Evry, France
| | | | - Valérie Chaudru
- Institut National de la Santé et de la Recherche Médicale, Université de Paris, Paris, France
- GenHotel—Univ Evry, University of Paris Saclay, Evry, France
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Chen P, Pan M, Shen Z, Yang Y, Wang X. MicroRNA-485-5p targets keratin17 to regulate pancreatic cancer cell proliferation and invasion via the FAK / SRC / ERK pathway. J Cancer 2024; 15:2033-2044. [PMID: 38434984 PMCID: PMC10905395 DOI: 10.7150/jca.90689] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2023] [Accepted: 12/03/2023] [Indexed: 03/05/2024] Open
Abstract
Background: It is crucial to probe into the biological effect and mechanism of miRNA-485-5p regulating keratin 17 (KRT17) in pancreatic cancer (PC) to understand its pathogenesis and identify potential biological targets. Methods: The bioinformatics means were used to evaluate the clinical significance of KRT17 expression in the Cancer Genome Atlas (TCGA) database. TargetScan database analysis in conjunction with dual luciferase and RNA Immunoprecipitation (RIP) experiments was used to probe the interaction relationship of miRNA-485-5p with KRT17. The expression of miRNA-485-5p and KRT17 in PC tissue and cancer cell lines was detected by Q-PCR paired with western blot assay. The biological function of miRNA-485-5p in regulating KRT17 was investigated in the PC cell line via gene silencing/overexpression technique. A western blot experiment was utilized to investigate the regulatory effect of KRT17 on cell cycle-related proteins and the FAK/Src/ERK signal pathway. Results: The level of KRT17 was increased in PC tissues and this significantly decreased the survival rate of PC patients. TargetScan in combination with dual luciferase and RIP experiments verified the miRNA-485-5p target KRT17. The expression of KRT17 was high in the PC cell line, although the expression of miRNA-485-5p was low. Silencing KRT17 or overexpression of miRNA-485-5p significantly inhibited PC cell viability, proliferation, invasion, and colony formation, while promoting apoptosis. Overexpression of KRT17 drastically reversed the function of miRNA-485-5p. The silenced KRT17 remarkably downregulated the expression of cyclinD1, Cyclin Dependent Kinase 1 (CDK1), CDK2, Phospho-Focal Adhesion Kinase (p-FAK), p-Src, and p-ERK proteins in the PC cells. Conclusion: Generally, an essential signaling cascade of miRNA-485-5p/KRT17/FAK/Src/ERK influences the biological functions of PC cells.
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Affiliation(s)
- Peng Chen
- Department of Hepatobiliary Surgery, The Second Affiliated Hospital of Wannan Medical College, Wuhu, Anhui 241000, P.R. China
| | - Meng Pan
- Department of Hepatobiliary Surgery, The Second Affiliated Hospital of Wannan Medical College, Wuhu, Anhui 241000, P.R. China
| | - Zhengchao Shen
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Wannan Medical College, Wuhu, Anhui 241001, P.R. China
| | - Yuquan Yang
- Department of Hepatobiliary Surgery, The Second Affiliated Hospital of Wannan Medical College, Wuhu, Anhui 241000, P.R. China
| | - Xiaoming Wang
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Wannan Medical College, Wuhu, Anhui 241001, P.R. China
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Aripova N, Duryee MJ, England BR, Hunter CD, Mordeson JE, Ryan EM, Daubach EC, Romberger DJ, Thiele GM, Mikuls TR. Citrullinated and malondialdehyde-acetaldehyde modified fibrinogen activates macrophages and promotes an aggressive synovial fibroblast phenotype in patients with rheumatoid arthritis. Front Immunol 2023; 14:1203548. [PMID: 37654483 PMCID: PMC10467288 DOI: 10.3389/fimmu.2023.1203548] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2023] [Accepted: 07/27/2023] [Indexed: 09/02/2023] Open
Abstract
Objective Post-translational protein modifications with malondialdehyde-acetaldehyde (MAA) and citrulline (CIT) are implicated in the pathogenesis of rheumatoid arthritis (RA). Although precise mechanisms have not been elucidated, macrophage-fibroblast interactions have been proposed to play a central role in the development and progression of RA. The purpose of our study was to evaluate the downstream effects of macrophage released soluble mediators, following stimulation with fibrinogen (FIB) modified antigens, on human fibroblast-like synoviocytes (HFLS). Methods PMA-treated U-937 monocytes (Mϕ) and macrophage-differentiated peripheral blood mononuclear cells (MP) were stimulated with FIB, FIB-MAA, FIB-CIT, or FIB-MAA-CIT. HFLS-RA cells were stimulated directly with FIB antigens or with supernatants (SN) from macrophages (Mϕ-SN or MP-SN) stimulated with FIB antigens. Genes associated with an aggressive HFLS phenotype, extracellular matrix proteins, and activated signaling pathways were evaluated. Results HFLS-RA cells treated with Mϕ-SNFIB-CIT and Mϕ-SNFIB-MAA-CIT demonstrated significant increases in mRNA expression of genes associated with an aggressive phenotype at 24-h as compared to direct stimulation with the same antigens. Similar results were obtained using MP-SN. Cellular morphology was altered and protein expression of vimentin (p<0.0001 vs. Mϕ-SNFIB) and type II collagen (p<0.0001) were significantly increased in HFLS-RA cells treated with any of the Mϕ-SN generated following stimulation with modified antigens. Phosphorylation of JNK, Erk1/2, and Akt were increased most substantially in HFLS-RA treated with Mϕ-SNFIB-MAA-CIT (p<0.05 vs Mϕ-SNFIB). These and other data suggested the presence of PDGF-BB in Mϕ-SN. Mϕ-SNFIB-MAA-CIT contained the highest concentration of PDGF-BB (p<0.0001 vs. Mϕ-SNFIB) followed by Mϕ-SNFIB-CIT then Mϕ-SNFIB-MAA. HFLS-RA cells treated with PDGF-BB showed similar cellular morphology to the Mϕ-SN generated following stimulation with modified FIB, as well as the increased expression of vimentin, type II collagen, and the phosphorylation of JNK, Erk1/2 and Akt signaling molecules. Conclusion Together, these findings support the hypothesis that in response to MAA-modified and/or citrullinated fibrinogen, macrophages release soluble factors including PDGF-BB that induce fibroblast activation and promote an aggressive fibroblast phenotype. These cellular responses were most robust following macrophage activation with dually modified fibrinogen, compared to single modification alone, providing novel insights into the combined role of multiple post-translational protein modifications in the development of RA.
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Affiliation(s)
- Nozima Aripova
- Department of Internal Medicine, Division of Rheumatology, University of Nebraska Medical Center, Omaha, NE, United States
| | - Michael J. Duryee
- Department of Internal Medicine, Division of Rheumatology, University of Nebraska Medical Center, Omaha, NE, United States
- Department of Research Services 151, Veteran Affairs Nebraska-Western Iowa Health Care System, Omaha, NE, United States
| | - Bryant R. England
- Department of Internal Medicine, Division of Rheumatology, University of Nebraska Medical Center, Omaha, NE, United States
- Department of Research Services 151, Veteran Affairs Nebraska-Western Iowa Health Care System, Omaha, NE, United States
| | - Carlos D. Hunter
- Department of Internal Medicine, Division of Rheumatology, University of Nebraska Medical Center, Omaha, NE, United States
- Department of Research Services 151, Veteran Affairs Nebraska-Western Iowa Health Care System, Omaha, NE, United States
| | - Jack E. Mordeson
- Department of Internal Medicine, Division of Rheumatology, University of Nebraska Medical Center, Omaha, NE, United States
| | - Evan M. Ryan
- Department of Internal Medicine, Division of Rheumatology, University of Nebraska Medical Center, Omaha, NE, United States
| | - Eric C. Daubach
- Department of Internal Medicine, Division of Rheumatology, University of Nebraska Medical Center, Omaha, NE, United States
| | - Debra J. Romberger
- Department of Internal Medicine, Division of Rheumatology, University of Nebraska Medical Center, Omaha, NE, United States
- Department of Internal Medicine, Division of Pulmonary, Critical Care, and Sleep Medicine, Omaha, NE, United States
| | - Geoffrey M. Thiele
- Department of Internal Medicine, Division of Rheumatology, University of Nebraska Medical Center, Omaha, NE, United States
- Department of Research Services 151, Veteran Affairs Nebraska-Western Iowa Health Care System, Omaha, NE, United States
| | - Ted R. Mikuls
- Department of Internal Medicine, Division of Rheumatology, University of Nebraska Medical Center, Omaha, NE, United States
- Department of Research Services 151, Veteran Affairs Nebraska-Western Iowa Health Care System, Omaha, NE, United States
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Chen L, Li Z, Wu H. CeDAR: incorporating cell type hierarchy improves cell type-specific differential analyses in bulk omics data. Genome Biol 2023; 24:37. [PMID: 36855165 PMCID: PMC9972684 DOI: 10.1186/s13059-023-02857-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2022] [Accepted: 01/17/2023] [Indexed: 03/02/2023] Open
Abstract
Bulk high-throughput omics data contain signals from a mixture of cell types. Recent developments of deconvolution methods facilitate cell type-specific inferences from bulk data. Our real data exploration suggests that differential expression or methylation status is often correlated among cell types. Based on this observation, we develop a novel statistical method named CeDAR to incorporate the cell type hierarchy in cell type-specific differential analyses of bulk data. Extensive simulation and real data analyses demonstrate that this approach significantly improves the accuracy and power in detecting cell type-specific differential signals compared with existing methods, especially in low-abundance cell types.
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Affiliation(s)
- Luxiao Chen
- Department of Biostatistics and Bioinformatics, Emory University, GA 30322 Atlanta, USA
| | - Ziyi Li
- Department of Biostatistics, The University of MD Anderson Cancer Center, 77030 Houston, TX, USA
| | - Hao Wu
- Faculty of Computer Science and Control Engineering, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, 1068 Xueyuan Avenue, Shenzhen University Town, Shenzhen, 518055 P.R. China
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Autophagy Modulates the Migration of Retinal Pericytes Induced by Advanced Glycation End Products. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2022; 2022:2760537. [PMID: 36569344 PMCID: PMC9771648 DOI: 10.1155/2022/2760537] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/15/2022] [Revised: 10/20/2022] [Accepted: 12/02/2022] [Indexed: 12/15/2022]
Abstract
Retinal pericyte migration occurs in the early stage of diabetic retinopathy (DR), which is one of the important causes of pericyte loss. Autophagy has been found to play essential roles in the regulation of many types of cell migration. In this study, we explored the relationship between autophagy and retinal pericyte migration. In diabetic rats, the retinas became thinner, and the level of autophagy in each cell layer increased. In the primary culture of bovine retinal pericytes, we found that advanced glycation end products (AGEs) increased the migratory cell ability without influencing cell viability, which also increased the phosphorylation of focal adhesion kinase (FAK) and the expression of matrix metalloproteinase (MMP)-2 and decreased the expression of vinculin. AGEs-induced retinal pericyte autophagy and the inhibition of autophagy with chloroquine significantly inhibited cell migration, reversed AGEs-induced FAK phosphorylation, and changed vinculin and MMP-2 protein expression. These results provide a new insight into the migration mechanism of retinal pericytes. The early control of autophagy has a potential effect on regulating pericyte migration, which may contribute to keeping the integrity of retinal vessels in DR.
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Yang L, Lyu H, Yiming A, Xu X, Ma C, Tu S, Chen B, Liu M, Wu C. Integrated metabolism, network pharmacology, and pharmacokinetics to explore the exposure differences of the pharmacodynamic material basis in vivo caused by different extraction methods for Saussurea involucrata. JOURNAL OF ETHNOPHARMACOLOGY 2022; 298:115648. [PMID: 35987408 DOI: 10.1016/j.jep.2022.115648] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/05/2022] [Revised: 08/07/2022] [Accepted: 08/13/2022] [Indexed: 06/15/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Saussurea involucrata Kar.et Kir. (S.I.) has long been used as a precious national medicine and clinically proven to be an effective treatment for rheumatoid arthritis (RA) and cardiovascular diseases. In clinical practice, two extraction methods of S.I., including water decoction and alcohol extraction, are prescribed to treat the same conditions. Nevertheless, no study has been performed on the exposure differences of the pharmacodynamic material basis in vivo caused by different extraction methods. AIM OF THE STUDY Based on the integrated strategy of metabolism, network pharmacology, and pharmacokinetics, we aimed to reveal exposure differences in pharmacodynamic substances caused by different extraction methods. MATERIALS AND METHODS Ultra-high-performance liquid chromatography-high-resolution mass spectrometry (UPLC-HRMS) was employed to identify the chemical constituents of S.I. extracts and the metabolites in vivo after administration. Based on the analysis of prototype components in vivo, the major exposure active constituents, potential therapeutic targets and possible pharmacological mechanisms in RA treatment were investigated using network pharmacological analysis. Seven critical active components, including quercetin, hispidulin, apigenin, chlorogenic acid, arctigenin, syringin, and umbelliferone, were quantitatively compared between the alcohol, and aqueous extraction methods, which had been confirmed by the reference substance. RESULTS The chemical comparison demonstrated that the types of chemicals in the two extracts were identical, mainly flavonoids, phenylpropanoids, coumarins, lignins, sesquiterpene lactones, and others, but the contents of the primary constituents in the aqueous extract were lower than those of the alcohol extract. A total of 30 prototype components and 174 metabolites were analyzed and identified in rat plasma, urine, fecal, and bile samples. Twenty-three prototype components were analyzed by network pharmacology, and seven critical active components were selected as representative markers for the pharmacokinetic study. Pharmacokinetic studies had shown that the Tmax values of apigenin, hispidulin, chlorogenic acid, arctigenin, and syringin after the oral administration of the alcohol extract were lower than those after the oral administration of the aqueous extract, and the above components in the alcohol extract could increase the absorption. Compared with the aqueous extract group, the Tmax and T1/2 of quercetin and umbelliferone were longer; it was suggested that alcohol extraction might have a slow-release and long-term effect on these two components. The relative bioavailability of apigenin, hispidulin, quercetin, chlorogenic acid, and umbelliferone in the alcohol extract group were higher than those in the aqueous extract group, which was consistent with the traditional clinical experience that alcohol extract could improve the efficacy of S.I. CONCLUSIONS The major exposure active constituents in vivo were screened. The representative components that could be used in pharmacokinetics were determined by integrating network pharmacology and metabolism studies. The critical active compounds were quantitatively compared between the alcohol and aqueous extraction methods. This study clarified that flavonoids, coumarin, and phenylpropanoids might be the primary material basis that caused the exposure differences between aqueous and alcoholic extracts from S.I.. This research aimed to provide the basis of metabolism in vivo for further studying these pharmacodynamic differences.
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Affiliation(s)
- Lu Yang
- College of Pharmacy, Jiamusi University, Jiamusi, 154007, China.
| | - Haiyan Lyu
- Department of Pharmacy, Xiamen City Xianyue Hospital, Xiamen, 361012, China.
| | - Ayixianmuguli Yiming
- Xinjiang Production and Construction Corps First Division Hospital, Aksu, 843000, China.
| | - Xiangzhen Xu
- Department of Pharmacy, Xiamen City Xianyue Hospital, Xiamen, 361012, China.
| | - Chunling Ma
- Department of Pharmacy, Xiamen City Xianyue Hospital, Xiamen, 361012, China.
| | - Shun Tu
- Department of Pharmacy, Xiamen City Xianyue Hospital, Xiamen, 361012, China.
| | - Binbin Chen
- Department of Pharmacy, Xiamen City Xianyue Hospital, Xiamen, 361012, China.
| | - Mingyuan Liu
- College of Pharmacy, Jiamusi University, Jiamusi, 154007, China.
| | - Caisheng Wu
- Fujian Provincial Key Laboratory of Innovative Drug Target Research and State Key Laboratory of Cell Stress Biology, School of Pharmaceutical Sciences, Xiamen University, Xiamen, 361102, China.
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He C, Wang Y, Wen Y, Li T, Hu E, Zeng S, Xiong X. Quantitative proteomic analysis of Bi Zhong Xiao decoction against collagen-induced arthritis rats in the early and late stages. BMC Complement Med Ther 2022; 22:186. [PMID: 35831853 PMCID: PMC9281147 DOI: 10.1186/s12906-022-03663-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2021] [Accepted: 06/30/2022] [Indexed: 12/27/2022] Open
Abstract
Background Rheumatoid arthritis (RA) is a chronic, progressive, systemic autoimmune inflammatory disease. Bi Zhong Xiao decoction (BZXD) performs multiple functions for rheumatoid arthritis (RA) treatment for decades. In this study, we aimed to study the protein alterations of BZXD in the early and late stages of RA. Methods Sprague–Dawley rats were randomly divided into the Control, collagen-induced arthritis (CIA) and BZXD groups. Clinical assessment, paw thickness, weight changes and serum inflammatory cytokine levels were used to evaluate anti-inflammatory effects. Histopathological tests were performed to assess the improvement of inflammation and synovial hyperplasia. Moreover, we analyzed the proteins profiling of synovial tissue samples with different time intervals after BZXD treatment by Isobaric Tag for Relative Absolute (ITRAQ) quantitative proteomics technology. To further explore the interrelationships among differentially expressed proteins (DEPs), we used DAVID Bioinformatics Resources v6.8 and STRING 11.0 for bioinformatics analysis. Besides, the western blot and immunohistochemistry were exerted to verify related proteins. Results In our study, BZXD ameliorated joint inflammation, and suppressed the pathological changes in arthrosis of CIA rats. The proteomic analysis demonstrated that CIA rats were mainly involved in two significant pathways (the focal adhesion and the ECM-receptor interaction) in the early stage. BZXD down-regulated the expression of proteins involved in these pathways, such as CAV1, CHAD, COL3A1, COL5A2, COL6A1, and COL6A5. Additionally, BZXD exerts anti-inflammatory effects in the late stage mainly by increasing the expression of FASN and affecting fatty acid metabolism. Conclusion BZXD exerts therapeutic effects on RA through multi-pathways in the early and late stages. This work may provide proteomic clues for treating RA by BZXD. Supplementary Information The online version contains supplementary material available at 10.1186/s12906-022-03663-5.
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Affiliation(s)
- Cailin He
- Department of Integrated Traditional Chinese and Western Medicine, Institute of Integrative Medicine, Xiangya Hospital, Central South University, Changsha, 410008, China.,National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan, P.R. China, 410008
| | - Yang Wang
- Department of Integrated Traditional Chinese and Western Medicine, Institute of Integrative Medicine, Xiangya Hospital, Central South University, Changsha, 410008, China.,National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan, P.R. China, 410008
| | - Yuqi Wen
- Department of Integrated Traditional Chinese and Western Medicine, Institute of Integrative Medicine, Xiangya Hospital, Central South University, Changsha, 410008, China.,National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan, P.R. China, 410008
| | - Teng Li
- Department of Integrated Traditional Chinese and Western Medicine, Institute of Integrative Medicine, Xiangya Hospital, Central South University, Changsha, 410008, China.,National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan, P.R. China, 410008
| | - En Hu
- Department of Integrated Traditional Chinese and Western Medicine, Institute of Integrative Medicine, Xiangya Hospital, Central South University, Changsha, 410008, China.,National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan, P.R. China, 410008
| | - Siqing Zeng
- Department of Integrated Traditional Chinese and Western Medicine, Institute of Integrative Medicine, Xiangya Hospital, Central South University, Changsha, 410008, China.,National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan, P.R. China, 410008
| | - Xingui Xiong
- Department of Integrated Traditional Chinese and Western Medicine, Institute of Integrative Medicine, Xiangya Hospital, Central South University, Changsha, 410008, China. .,National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan, P.R. China, 410008.
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Gu W, Zhang L, Zhang X, Wang B, Shi X, Hu K, Ye Y, Liu G. MiR-15p-5p Mediates the Coordination of ICAM-1 and FAK to Promote Endothelial Cell Proliferation and Migration. Inflammation 2022; 45:1402-1417. [PMID: 35079920 DOI: 10.1007/s10753-022-01630-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2021] [Revised: 01/17/2022] [Accepted: 01/19/2022] [Indexed: 11/25/2022]
Abstract
Intercellular adhesion molecule-1 (ICAM-1) in endothelial cells is critical for neutrophil adhesion and transmigration across the endothelium. Focal adhesion kinase (FAK), which controls the turnover of focal adhesion to regulate cell adhesion and migration, plays a role in the resolution of inflammation. However, the coordinated involvement of ICAM-1 and FAK during endothelial inflammation has yet to be elucidated. This study reports that, as part of an inflammatory response, ICAM-1 controls FAK expression in endothelial cells via the microRNA miR-15b-5p. Induction of lung injury by lipopolysaccharide (LPS) resulted in higher levels of FAK expression in inflammatory tissues, while in ICAM-1 knockout mice, FAK expression was reduced in the lungs. FAK expression was also reduced in endothelial cells following ICAM-1 siRNA downregulation. Furthermore, ICAM-1 inhibited miR-15b-5p expression while increasing FAK mRNA and protein expression via binding of miR-15b-5p to the 3' untranslated region (UTR) of FAK. ICAM-1 inhibited miR-15b-5p promoter activity and hence reduced miR-15b-5p expression. FAK increased endothelial cell proliferation and migration, whereas miR-15b-5p inhibited cell proliferation and migration. These findings indicate that the inflammatory molecule ICAM-1 regulates FAK expression via miR-15b-5p levels, which in turn controls endothelial cell proliferation and migration.
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Affiliation(s)
- Wei Gu
- Department of Biochemistry and Molecular Biology, School of Laboratory Medicine, Bengbu Medical College, 2600 Donghai StreetAnhui Province, Bengbu, 233030, China
- Anhui Province Key Laboratory of Translational Cancer Research, Bengbu Medical College, Anhui Province, Bengbu, 233030, China
| | - Li Zhang
- Department of Biochemistry and Molecular Biology, School of Laboratory Medicine, Bengbu Medical College, 2600 Donghai StreetAnhui Province, Bengbu, 233030, China
- Anhui Province Key Laboratory of Translational Cancer Research, Bengbu Medical College, Anhui Province, Bengbu, 233030, China
| | - Xinhua Zhang
- Department of Basic Veterinary Medicine, College of Veterinary Medicine, Huazhong Agricultural University, Hubei Province, Wuhan, 430070, China
| | - Binyu Wang
- Department of Basic Veterinary Medicine, College of Veterinary Medicine, Huazhong Agricultural University, Hubei Province, Wuhan, 430070, China
| | - Xiaoyu Shi
- Anhui Province Key Laboratory of Translational Cancer Research, Bengbu Medical College, Anhui Province, Bengbu, 233030, China
| | - Kang Hu
- Department of Biochemistry and Molecular Biology, School of Laboratory Medicine, Bengbu Medical College, 2600 Donghai StreetAnhui Province, Bengbu, 233030, China
- Anhui Province Key Laboratory of Translational Cancer Research, Bengbu Medical College, Anhui Province, Bengbu, 233030, China
| | - Yingying Ye
- Department of Biochemistry and Molecular Biology, School of Laboratory Medicine, Bengbu Medical College, 2600 Donghai StreetAnhui Province, Bengbu, 233030, China
- Anhui Province Key Laboratory of Translational Cancer Research, Bengbu Medical College, Anhui Province, Bengbu, 233030, China
| | - Guoquan Liu
- Department of Biochemistry and Molecular Biology, School of Laboratory Medicine, Bengbu Medical College, 2600 Donghai StreetAnhui Province, Bengbu, 233030, China.
- Anhui Province Key Laboratory of Translational Cancer Research, Bengbu Medical College, Anhui Province, Bengbu, 233030, China.
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Bason C, Barbieri A, Martinelli N, Olivieri B, Argentino G, Bartoloni E, Beri R, Jadav G, Puccetti A, Tinazzi E, Lunardi C. Identification of a Novel Serological Marker in Seronegative Rheumatoid Arthritis Using the Peptide Library Approach. Front Immunol 2021; 12:753400. [PMID: 34675934 PMCID: PMC8525329 DOI: 10.3389/fimmu.2021.753400] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2021] [Accepted: 09/17/2021] [Indexed: 11/16/2022] Open
Abstract
Rheumatoid arthritis (RA) is a systemic autoimmune disease characterized by chronic inflammation mainly affecting the joints leading to cartilage and bone destruction. The definition of seropositive or seronegative RA is based on the presence or absence of rheumatoid factor (RF) and anti-citrullinated peptide antibodies (ACPAs). Other autoantibodies have been identified in the last decade such as antibodies directed against carbamylated antigens, peptidyl-arginine deiminase type 4 and v-Raf murine sarcoma viral oncogene homologue B. In order to identify relevant autoantigens, we screened a random peptide library (RPL) with pooled IgGs obtained from 50 patients with seronegative RA. Patients’ sera were then used in an ELISA test to identify the most frequently recognized peptide among those obtained by screening the RPL. Sera from age- and sex-matched healthy subjects were used as controls. We identified a specific peptide (RA-peptide) recognized by RA patients’ sera, but not by healthy subjects or by patients with other immune-mediated diseases. The majority of sera from seronegative and seropositive RA patients (73.8% and 63.6% respectively) contained IgG antibodies directed against the RA-peptide. Interestingly, this peptide shares homology with some self-antigens, such as Protein-tyrosine kinase 2 beta, B cell scaffold protein, Liprin-alfa1 and Cytotoxic T lymphocyte protein 4. Affinity purified anti-RA-peptide antibodies were able to cross react with these autoantigens. In conclusion, we identified a peptide that is recognized by seropositive and, most importantly, by seronegative RA patients’ sera, but not by healthy subjects, conferring to this epitope a high degree of specificity. This peptide shares also homology with other autoantigens which can be recognized by autoantibodies present in seronegative RA sera. These newly identified autoantibodies, although present also in a percentage of seropositive RA patients, may be considered as novel serum biomarkers for seronegative RA, which lacks the presence of RF and/or ACPAs.
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Affiliation(s)
- Caterina Bason
- Department of Medicine, University of Verona, Verona, Italy
| | - Alessandro Barbieri
- Department of Laboratory Medicine, Boston Children's Hospital, Harvard Medical School, Boston, MA, United States
| | | | | | | | - Elena Bartoloni
- Division of Rheumatology, Department of Medicine, University of Perugia, Perugia, Italy
| | - Ruggero Beri
- Department of Medicine, University of Verona, Verona, Italy
| | | | - Antonio Puccetti
- Department of Experimental Medicine, Section of Histology, University of Genova, Genova, Italy
| | - Elisa Tinazzi
- Department of Medicine, University of Verona, Verona, Italy
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Mechanisms and Molecular Targets of the Tao-Hong-Si-Wu-Tang Formula for Treatment of Osteonecrosis of Femoral Head: A Network Pharmacology Study. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2020; 2020:7130105. [PMID: 32963569 PMCID: PMC7499271 DOI: 10.1155/2020/7130105] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/13/2020] [Revised: 08/19/2020] [Accepted: 08/27/2020] [Indexed: 01/11/2023]
Abstract
The Tao-Hong-Si-Wu-Tang (THSWT) formula, a classic prescription of traditional Chinese medicine, has long been used for the treatment of osteonecrosis of femoral head (ONFH). However, its mechanisms of action and molecular targets are not comprehensively clear. In the present study, the Traditional Chinese Medicine System Pharmacology (TCMSP) database was employed to retrieve the active compounds of each herb included in the THSWT formula. After identifying the drug targets of active compounds and disease targets of ONFH, intersection analysis was conducted to screen out the shared targets. The protein-protein network of the shared targets was built for further topological analysis. Gene ontology and Kyoto Encyclopedia of Genes and Genomes pathway analysis were then carried out. A gene pathway network was constructed to screen the core target genes. We identified 61 active compounds, 155 drug targets, and 5443 disease targets. However, intersection analysis only screened out 37 shared targets. Kaempferol, luteolin, and baicalein regulated the greatest number of targets associated with ONFH. The THSWT formula may regulate osteocyte function through specific biological processes, including responses to toxic substances and oxidative stress. The regulated pathways included the relaxin, focal adhesion, nuclear factor-κB, toll-like receptor, and AGE/RAGE signaling pathways. RELA, VEGFA, and STAT1 were the important target genes in the gene network associated with the THSWT formula for the treatment of ONFH. Therefore, the present study suggested that the THSWT formula has an action mechanism involving multiple compounds and network targets for the treatment of ONFH.
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11
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Zampieri R, Brozzetti A, Pericolini E, Bartoloni E, Gabrielli E, Roselletti E, Lomonosoff G, Meshcheriakova Y, Santi L, Imperatori F, Merlin M, Tinazzi E, Dotta F, Nigi L, Sebastiani G, Pezzotti M, Falorni A, Avesani L. Prevention and treatment of autoimmune diseases with plant virus nanoparticles. SCIENCE ADVANCES 2020; 6:eaaz0295. [PMID: 32494704 PMCID: PMC7202875 DOI: 10.1126/sciadv.aaz0295] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/06/2019] [Accepted: 02/12/2020] [Indexed: 05/15/2023]
Abstract
Plant viruses are natural, self-assembling nanostructures with versatile and genetically programmable shells, making them useful in diverse applications ranging from the development of new materials to diagnostics and therapeutics. Here, we describe the design and synthesis of plant virus nanoparticles displaying peptides associated with two different autoimmune diseases. Using animal models, we show that the recombinant nanoparticles can prevent autoimmune diabetes and ameliorate rheumatoid arthritis. In both cases, this effect is based on a strictly peptide-related mechanism in which the virus nanoparticle acts both as a peptide scaffold and as an adjuvant, showing an overlapping mechanism of action. This successful preclinical testing could pave the way for the development of plant viruses for the clinical treatment of human autoimmune diseases.
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Affiliation(s)
- Roberta Zampieri
- Department of Biotechnology, University of Verona, Verona, Italy
- Diamante srl, Strada Le Grazie, 15, 37134 Verona, Italy
| | | | - Eva Pericolini
- Department of Surgical, Medical, Dental and Morphological Sciences with interest in Transplant, Oncological and Regenerative Medicine, University of Modena and Reggio Emilia, Modena, Italy
| | - Elena Bartoloni
- Department of Medicine, University of Perugia, Perugia, Italy
| | - Elena Gabrielli
- Department of Medicine, University of Perugia, Perugia, Italy
| | | | | | | | - Luca Santi
- Department of Agriculture and Forest Sciences, University of La Tuscia, Viterbo, Italy
| | - Francesca Imperatori
- Department of Agriculture and Forest Sciences, University of La Tuscia, Viterbo, Italy
| | - Matilde Merlin
- Department of Biotechnology, University of Verona, Verona, Italy
| | - Elisa Tinazzi
- Department of Medicine, University of Verona, Verona, Italy
| | - Francesco Dotta
- Diabetes Unit, Department of Medicine, Surgery and Neuroscience, University of Siena, Siena, Italy
| | - Laura Nigi
- Diabetes Unit, Department of Medicine, Surgery and Neuroscience, University of Siena, Siena, Italy
- Umberto Di Mario Foundation ONLUS, Toscana Life Sciences, Siena, Italy
| | - Guido Sebastiani
- Diabetes Unit, Department of Medicine, Surgery and Neuroscience, University of Siena, Siena, Italy
- Umberto Di Mario Foundation ONLUS, Toscana Life Sciences, Siena, Italy
| | - Mario Pezzotti
- Department of Biotechnology, University of Verona, Verona, Italy
| | - Alberto Falorni
- Department of Medicine, University of Perugia, Perugia, Italy
| | - Linda Avesani
- Department of Biotechnology, University of Verona, Verona, Italy
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12
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Dong XZ, Zhao ZR, Hu Y, Lu YP, Liu P, Zhang L. LncRNA COL1A1-014 is involved in the progression of gastric cancer via regulating CXCL12-CXCR4 axis. Gastric Cancer 2020; 23:260-272. [PMID: 31650323 DOI: 10.1007/s10120-019-01011-0] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/26/2019] [Accepted: 10/03/2019] [Indexed: 02/07/2023]
Abstract
BACKGROUND The aberrant expression of long noncoding RNAs (lncRNAs) is found in various types of cancers and also showed its association with the occurrence and development of gastric cancer (GC). We found lncRNA COL1A1-014 was frequently upregulated in GC. METHODS This study investigated COL1A1-014 for its biological function at both cellular and animal levels, using MTT, flow cytometry, colony formation and transwell assays. The expression levels of COL1A1-014 and other genes were detected by RT-PCR and western blot. Luciferase reporter assay was used to detect the potential binding of miR-1273h-5p to COL1A1-014 and CXCL12. RESULTS We found that COL1A1-014 was frequently upregulated in GC tissues as well as cells. COL1A1-014 increased cell proliferation, colony forming efficiency, migration ability, invasion ability, and weight and volume of grafted tumors, while reduced cell apoptosis. Overexpression of COL1A1-014 increased the mRNA expression of chemokine (CXCmotif) ligand (CXCL12) and high levels of CXCL12 and CXCR4 proteins in GC cells. The levels of miR-1273h-5p showed an inverse correlation with COL1A1-014 and CXCL12 in GC cells transfected with miR-1273h-5p. The mRNAs of wild-type COL1A1-014 and CXCL12 showed reduction in HEK293 cells transfected with miR-1273h-5p. This suggested that COL1A1-014 functions as an efficient miR-1273h-5p sponge and as a competing endogenous RNA (ceRNA) to regulate CXCL12. The proliferative activity of COL1A1-014 on GC cells was blocked by CXCL12-CXCR4 axis inhibitor AMD-3100. CONCLUSIONS These findings demonstrated that COL1A1-014 play an important regulatory role in GC development by functioning as a ceRNA in regulating the CXCL12/CXCR4 axis via sponging miR-1273h-5p.
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Affiliation(s)
- Xian-Zhe Dong
- Department of Pharmacy, Xuanwu Hospital of Capital Medical University, 45 Changchun Road, Xicheng District, Beijing, 100053, China
| | - Zi-Run Zhao
- Renaissance School of Medicine at Stony Brook University, NY, 11794, USA
| | - Yuan Hu
- Department of Pharmacy, Chinese PLA General Hospital, Beijing, 100853, China
| | - Yu-Pan Lu
- Department of Pharmacy, Chinese PLA General Hospital, Beijing, 100853, China
| | - Ping Liu
- Department of Pharmacy, Chinese PLA General Hospital, Beijing, 100853, China. .,Department of Clinical Pharmacology, General Hospital of Chinese PLA, 28 Fuxing Road, Haidian District, Beijing, 100853, China.
| | - Lan Zhang
- Department of Pharmacy, Xuanwu Hospital of Capital Medical University, 45 Changchun Road, Xicheng District, Beijing, 100053, China.
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Sun M, Rethi B, Krishnamurthy A, Joshua V, Circiumaru A, Hensvold AH, Ossipova E, Grönwall C, Liu Y, Engstrom M, Catrina SB, Steen J, Malmstrom V, Klareskog L, Svensson C, Ospelt C, Wähämaa H, Catrina AI. Anticitrullinated protein antibodies facilitate migration of synovial tissue-derived fibroblasts. Ann Rheum Dis 2019; 78:1621-1631. [PMID: 31481351 PMCID: PMC6900251 DOI: 10.1136/annrheumdis-2018-214967] [Citation(s) in RCA: 47] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2018] [Revised: 08/21/2019] [Accepted: 08/22/2019] [Indexed: 01/09/2023]
Abstract
OBJECTIVES Rheumatoid arthritis (RA)-specific anti-citrullinated protein/peptide antibodies (ACPAs) might contribute to bone loss and arthralgia before the onset of joint inflammation. We aimed to dissect additional mechanisms by which ACPAs might contribute to development of joint pathology. METHODS Fibroblast-like synoviocytes (FLS) were isolated from the synovial membrane of patients with RA. The FLS cultures were stimulated with polyclonal ACPAs (anti-CCP-2 antibodies) purified from the peripheral blood of patients with RA or with monoclonal ACPAs derived from single synovial fluid B cells. We analysed how ACPAs modulate FLS by measuring cell adhesion and mobility as well as cytokine production. Expression of protein arginine deiminase (PAD) enzymes and protein citrullination were analysed by immunofluorescence, and signal transduction was studied using immunoblotting. RESULTS Challenge of FLS by starvation-induced stress or by exposure to the chemokine interleukin-8 was essential to sensitise the cells to ACPAs. These challenges led to an increased PAD expression and protein citrullination and an ACPA-mediated induction of FLS migration through a mechanism involving phosphoinositide 3-kinase activation. Inhibition of the PAD enzymes or competition with soluble citrullinated proteins or peptides completely abolished the ACPA-induced FLS migration. Different monoclonal ACPAs triggered distinct cellular effects in either fibroblasts or osteoclasts, suggesting unique roles for individual ACPA clones in disease pathogenesis. CONCLUSION We propose that transient synovial insults in the presence of a certain pre-existing ACPA repertoire might result in an ACPA-mediated increase of FLS migration.
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Affiliation(s)
- Meng Sun
- Rheumatology Unit, Department of Medicine, Karolinska University Hospital, Karolinska Institutet, Stockholm, Sweden
| | - Bence Rethi
- Rheumatology Unit, Department of Medicine, Karolinska University Hospital, Karolinska Institutet, Stockholm, Sweden
| | - Akilan Krishnamurthy
- Rheumatology Unit, Department of Medicine, Karolinska University Hospital, Karolinska Institutet, Stockholm, Sweden
| | - Vijay Joshua
- Rheumatology Unit, Department of Medicine, Karolinska University Hospital, Karolinska Institutet, Stockholm, Sweden
| | - Alexandra Circiumaru
- Rheumatology Unit, Department of Medicine, Karolinska University Hospital, Karolinska Institutet, Stockholm, Sweden
| | - Aase Haj Hensvold
- Rheumatology Unit, Department of Medicine, Karolinska University Hospital, Karolinska Institutet, Stockholm, Sweden
| | - Elena Ossipova
- Rheumatology Unit, Department of Medicine, Karolinska University Hospital, Karolinska Institutet, Stockholm, Sweden
| | - Caroline Grönwall
- Rheumatology Unit, Department of Medicine, Karolinska University Hospital, Karolinska Institutet, Stockholm, Sweden
| | - Yanying Liu
- Department of Rheumatology and Immunology, Peking University People's Hospital, Beijing, China
| | - Marianne Engstrom
- Rheumatology Unit, Department of Medicine, Karolinska University Hospital, Karolinska Institutet, Stockholm, Sweden
| | - Sergiu Bogdan Catrina
- Molecular Medicine and Surgery, Karolinska University Hospital and Institutet, Stockholm, Sweden
| | - Johanna Steen
- Rheumatology Unit, Department of Medicine, Karolinska University Hospital, Karolinska Institutet, Stockholm, Sweden
| | - Vivianne Malmstrom
- Rheumatology Unit, Department of Medicine, Karolinska University Hospital, Karolinska Institutet, Stockholm, Sweden
| | - Lars Klareskog
- Rheumatology Unit, Department of Medicine, Karolinska University Hospital, Karolinska Institutet, Stockholm, Sweden
| | - Camilla Svensson
- Physiology and Pharmacology, Karolinska Institutet, Stockholm, Sweden
| | | | - Heidi Wähämaa
- Rheumatology Unit, Department of Medicine, Karolinska University Hospital, Karolinska Institutet, Stockholm, Sweden
| | - Anca Irinel Catrina
- Rheumatology Unit, Department of Medicine, Karolinska University Hospital, Karolinska Institutet, Stockholm, Sweden
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Dolcino M, Tinazzi E, Puccetti A, Lunardi C. Long Non-Coding RNAs Target Pathogenetically Relevant Genes and Pathways in Rheumatoid Arthritis. Cells 2019; 8:cells8080816. [PMID: 31382516 PMCID: PMC6721587 DOI: 10.3390/cells8080816] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2019] [Revised: 07/16/2019] [Accepted: 07/31/2019] [Indexed: 12/14/2022] Open
Abstract
Rheumatoid arthritis (RA) is a chronic inflammatory autoimmune disease driven by genetic, environmental and epigenetic factors. Long non-coding RNAs (LncRNAs) are a key component of the epigenetic mechanisms and are known to be involved in the development of autoimmune diseases. In this work we aimed to identify significantly differentially expressed LncRNAs (DE-LncRNAs) that are functionally connected to modulated genes strictly associated with RA. In total, 542,500 transcripts have been profiled in peripheral blood mononuclear cells (PBMCs) from four patients with early onset RA prior any treatment and four healthy donors using Clariom D arrays. Results were confirmed by real-time PCR in 20 patients and 20 controls. Six DE-LncRNAs target experimentally validated miRNAs able to regulate differentially expressed genes (DEGs) in RA; among them, only FTX, HNRNPU-AS1 and RP11-498C9.15 targeted a large number of DEGs. Most importantly, RP11-498C9.15 targeted the largest number of signalling pathways that were found to be enriched by the global amount of RA-DEGs and that have already been associated with RA and RA-synoviocytes. Moreover, RP11-498C9.15 targeted the most highly connected genes in the RA interactome, thus suggesting its involvement in crucial gene regulation. These results indicate that, by modulating both microRNAs and gene expression, RP11-498C9.15 may play a pivotal role in RA pathogenesis.
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Affiliation(s)
- Marzia Dolcino
- Department of Medicine, University of Verona, 37134 Verona, Italy
| | - Elisa Tinazzi
- Department of Medicine, University of Verona, 37134 Verona, Italy
| | - Antonio Puccetti
- Department of Experimental Medicine-Section of Histology, University of Genova, 16132 Genova, Italy
| | - Claudio Lunardi
- Department of Medicine, University of Verona, 37134 Verona, Italy.
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15
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Zhang Y, Wang H, Mao X, Guo Q, Li W, Wang X, Li G, Lin N. A novel gene-expression-signature-based model for prediction of response to Tripterysium glycosides tablet for rheumatoid arthritis patients. J Transl Med 2018; 16:187. [PMID: 29973208 PMCID: PMC6032531 DOI: 10.1186/s12967-018-1549-9] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2018] [Accepted: 06/15/2018] [Indexed: 12/15/2022] Open
Abstract
Background Approximately 30% of rheumatoid arthritis (RA) patients treated with Tripterysium glycosides (TG) tablets fail to achieve clinical improvement, implying the essentiality of predictive biomarkers and tools. Herein, we aimed to identify possible biomarkers predictive of therapeutic effects of TG tablets in RA. Methods Gene expression profile in peripheral blood mononuclear cells obtained from a discovery cohort treated with TG tablets was detected by Affymetrix EG1.0 arrays. Then, a list of candidate gene biomarkers of response to TG tablets were identified by integrating differential expression data analysis and gene signal transduction network analysis. After that, a partial-least-squares (PLS) model based on the expression levels of the candidate gene biomarkers in RA patients was constructed and evaluated using a validation cohort. Results Six candidate gene biomarkers (MX1, OASL, SPINK1, CRK, GRAPL and RNF2) were identified to be predictors of TG therapy. Following the construction of a PLS-based model using their expression levels in peripheral blood, both the 5-fold cross-validation and independent dataset validations showed the high predictive efficiency of this model, and demonstrated a distinguished improvement of the PLS-model based on six candidate gene biomarkers’ expression in combination over the commonly used clinical and inflammatory parameters, as well as the gene biomarkers alone, in predicting RA patients’ response to TG tablets. Conclusions This hypothesis-generating study identified MX1, OASL, SPINK1, CRK, GRAPL and RNF2 as novel targets for RA therapeutic intervention, and the PLS model based on the expression levels of these candidate biomarkers may have a potential prognostic value in RA patients treated with TG tablets. Electronic supplementary material The online version of this article (10.1186/s12967-018-1549-9) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Yanqiong Zhang
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, 100700, China.
| | - Hailong Wang
- Division of Rheumatology, Guang An Men Hospital, China Academy of Chinese Medical Science, Beijing, 100053, China.,Guiyang University of Chinese Medicine, Guiyang, 550025, China
| | - Xia Mao
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, 100700, China
| | - Qiuyan Guo
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, 100700, China
| | - Weijie Li
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, 100700, China
| | - Xiaoyue Wang
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, 100700, China
| | - Guangyao Li
- Division of Rheumatology, Guang An Men Hospital, China Academy of Chinese Medical Science, Beijing, 100053, China
| | - Na Lin
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, 100700, China.
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16
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Stanford SM, Svensson MND, Sacchetti C, Pilo CA, Wu DJ, Kiosses WB, Hellvard A, Bergum B, Muench GRA, Elly C, Liu YC, den Hertog J, Elson A, Sap J, Mydel P, Boyle DL, Corr M, Firestein GS, Bottini N. Receptor Protein Tyrosine Phosphatase α-Mediated Enhancement of Rheumatoid Synovial Fibroblast Signaling and Promotion of Arthritis in Mice. Arthritis Rheumatol 2016; 68:359-69. [PMID: 26414708 DOI: 10.1002/art.39442] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2014] [Accepted: 09/15/2015] [Indexed: 01/03/2023]
Abstract
OBJECTIVE During rheumatoid arthritis (RA), fibroblast-like synoviocytes (FLS) critically promote disease pathogenesis by aggressively invading the extracellular matrix of the joint. The focal adhesion kinase (FAK) signaling pathway is emerging as a contributor to the anomalous behavior of RA FLS. The receptor protein tyrosine phosphatase α (RPTPα), which is encoded by the PTPRA gene, is a key promoter of FAK signaling. The aim of this study was to investigate whether RPTPα mediates FLS aggressiveness and RA pathogenesis. METHODS Through RPTPα knockdown, we assessed FLS gene expression by quantitative polymerase chain reaction analysis and enzyme-linked immunosorbent assay, invasion and migration by Transwell assays, survival by annexin V and propidium iodide staining, adhesion and spreading by immunofluorescence microscopy, and activation of signaling pathways by Western blotting of FLS lysates. Arthritis development was examined in RPTPα-knockout (KO) mice using the K/BxN serum-transfer model. The contribution of radiosensitive and radioresistant cells to disease was evaluated by reciprocal bone marrow transplantation. RESULTS RPTPα was enriched in the RA synovial lining. RPTPα knockdown impaired RA FLS survival, spreading, migration, invasiveness, and responsiveness to platelet-derived growth factor, tumor necrosis factor, and interleukin-1 stimulation. These phenotypes correlated with increased phosphorylation of Src on inhibitory Y(527) and decreased phosphorylation of FAK on stimulatory Y(397) . Treatment of RA FLS with an inhibitor of FAK phenocopied the knockdown of RPTPα. RPTPα-KO mice were protected from arthritis development, which was due to radioresistant cells. CONCLUSION By regulating the phosphorylation of Src and FAK, RPTPα mediates proinflammatory and proinvasive signaling in RA FLS, correlating with the promotion of disease in an FLS-dependent model of RA.
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Affiliation(s)
| | | | | | - Caila A Pilo
- La Jolla Institute for Allergy and Immunology, La Jolla, California
| | - Dennis J Wu
- La Jolla Institute for Allergy and Immunology, La Jolla, California
| | | | - Annelie Hellvard
- Broegelmann Research Laboratory and University of Bergen, Bergen, Norway
| | - Brith Bergum
- Broegelmann Research Laboratory and University of Bergen, Bergen, Norway
| | | | - Christian Elly
- La Jolla Institute for Allergy and Immunology, La Jolla, California
| | - Yun-Cai Liu
- La Jolla Institute for Allergy and Immunology, La Jolla, California
| | - Jeroen den Hertog
- Hubrecht Institute-Koninklijke Nederlands Akademie van Wetenschappen and University Medical Center Utrecht, Utrecht, The Netherlands, and Institute of Biology, Leiden, The Netherlands
| | - Ari Elson
- Weizmann Institute of Science, Rehovot, Israel
| | - Jan Sap
- Université Paris Diderot, Sorbonne Paris Cité, Paris, France
| | - Piotr Mydel
- Broegelmann Research Laboratory and University of Bergen, Bergen, Norway
| | - David L Boyle
- University of California at San Diego School of Medicine, La Jolla
| | - Maripat Corr
- University of California at San Diego School of Medicine, La Jolla
| | - Gary S Firestein
- University of California at San Diego School of Medicine, La Jolla
| | - Nunzio Bottini
- La Jolla Institute for Allergy and Immunology, La Jolla, California
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18
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Choe JY, Hun Kim J, Park KY, Choi CH, Kim SK. Activation of dickkopf-1 and focal adhesion kinase pathway by tumour necrosis factor α induces enhanced migration of fibroblast-like synoviocytes in rheumatoid arthritis. Rheumatology (Oxford) 2015; 55:928-38. [PMID: 26715774 DOI: 10.1093/rheumatology/kev422] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2015] [Indexed: 01/22/2023] Open
Abstract
OBJECTIVE The objective of this study was to investigate the roles of dickkopf-1 (DKK-1) and integrin-related focal adhesion kinase (FAK) by TNF-α on the migration of fibroblast-like synoviocytes (FLSs) in RA. METHODS Wound scratch assays were performed to assess FLS migration. Western blotting was used to measure the levels of DKK-1, Wnt signalling molecules and FAK signalling molecules. Quantitative real-time PCR was used to measure the expression levels of DKK-1, integrin αv, laminin, fibronectin, E-cadherin, MMP-8 and MMP-13. The concentrations of DKK-1, TNF-α and GSK-3β were measured by ELISA. Genetic silencing of TNF-α was achieved by the transfection of small interfering RNA into cells. RESULTS Migrating RA FLSs exhibited higher levels of DKK-1 and TNF-α expression compared with those in OA FLSs and/or stationary RA FLSs. Moreover, migrating FLSs exhibited significantly higher levels of FAK, p-JNK, paxillin and cdc42 expression, whereas the level of cytosolic β-catenin was lower. WAY-262611, Wnt pathway agonist via inhibition of DKK-1, markedly inhibited cell migration of RA FLSs through the accumulation of cytosolic β-catenin and suppression of FAK-related signalling pathways. TNF-α treatment to RA FLSs up-regulated expression of DKK-1, integrin αv, fibronectin, laminin and MMP-13. TNF-α stimulation also suppressed cytosolic β-catenin and E-cadherin expression in a time-dependent manner. Moreover, TNF-α small interfering RNA-transfected migrating FLSs exhibited decreased activation of integrin-related FAK, paxillin, p-JNK and cdc42 signalling pathways. CONCLUSION This study demonstrates that the activation of DKK-1 and the integrin-related FAK signalling pathway stimulated by TNF-α induces the dissociation of β-catenin/E-cadherin, thus promoting RA FLS migration.
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Affiliation(s)
- Jung-Yoon Choe
- Division of Rheumatology, Department of Internal Medicine, Catholic University of Daegu School of Medicine, Arthritis and Autoimmunity Research Center, Catholic University of Daegu, Daegu
| | - Ji Hun Kim
- Department of Rheumatology, Pohang Semyung Christianity Hospital, Pohang and
| | - Ki-Yeun Park
- Arthritis and Autoimmunity Research Center, Catholic University of Daegu, Daegu
| | - Chang-Hyuk Choi
- Department of Orthopedic Surgery, Catholic University of Daegu School of Medicine, Daegu, Republic of Korea
| | - Seong-Kyu Kim
- Division of Rheumatology, Department of Internal Medicine, Catholic University of Daegu School of Medicine, Arthritis and Autoimmunity Research Center, Catholic University of Daegu, Daegu,
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He R, Wang Z, Lu Y, Huang J, Ren J, Wang K. Chaperonin containing T-complex polypeptide subunit eta is a potential marker of joint contracture: an experimental study in the rat. Cell Stress Chaperones 2015; 20:959-66. [PMID: 26220476 PMCID: PMC4595434 DOI: 10.1007/s12192-015-0624-x] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2015] [Revised: 07/15/2015] [Accepted: 07/17/2015] [Indexed: 11/26/2022] Open
Abstract
Joint contracture is a fibroproliferative disorder that restricts joint mobility, resulting in tissue degeneration and deformity. However, the etiology of joint contracture is still unknown. Chaperonin containing T-complex polypeptide subunit eta (CCT-eta) is reported to increase in fibrotic diseases. The purpose of this study was to investigate whether CCT-eta is implicated in joint contracture and to determine the role of CCT-eta in the progression of joint contracture by analyzing a rat model. We immobilized the left knee joint of rat by internal fixation for 8 weeks. The non-immobilized right leg served as a control. The range of motion (ROM) of the knee was investigated. Fibroblasts were obtained from the posterior joint capsule of the joints. The outcome was followed by quantitative real-time polymerase chain reaction (qRT-PCR), Western blot, fibroblast migration assay, and collagen assay. The effect of CCT-eta on the functions of fibroblasts was observed by utilizing a short inhibitory RNA (siRNA) targeting CCT-eta. The ROM of the immobilized joints was significantly limited compared to the contralateral joints (p < 0.05). Fibroblasts derived from the contractive joints showed higher mRNA and protein expressions of CCT-eta in parallel with alpha-smooth muscle actin (α-SMA) compared to the cells from the contralateral knees (p < 0.05). siRNA-mediated downregulation of CCT-eta inhibited the expressions of both CCT-eta and α-SMA. Moreover, the reduction of CCT-eta also significantly decreased fibroblast functions such as cell mobility and collagen synthesis (all p < 0.05). Our findings indicate that CCT-eta appears to be a potential marker of joint contracture disease.
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Affiliation(s)
- Ronghan He
- Department of Orthopedic Surgery, The Third Affiliated Hospital of Sun Yat-sen University, 510000, Guangzhou, China
| | - Zhe Wang
- Department of Orthopedic Surgery, The Third Affiliated Hospital of Sun Yat-sen University, 510000, Guangzhou, China
| | - Yunxiang Lu
- Department of Orthopedic Surgery, The Third Affiliated Hospital of Sun Yat-sen University, 510000, Guangzhou, China
| | - Junqi Huang
- Division of Biomedical Cell Biology, Warwick Medical School, University of Warwick, Coventry, CV4 7AL, UK
| | - Jianhua Ren
- Department of Orthopedic Surgery, The Third Affiliated Hospital of Sun Yat-sen University, 510000, Guangzhou, China
| | - Kun Wang
- Department of Orthopedic Surgery, The Third Affiliated Hospital of Sun Yat-sen University, 510000, Guangzhou, China.
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Zhang P, Li YJ, Guo LY, Wang GF, Lu K, Yue EL. Focal adhesion kinase activation is required for TNF-α-induced production of matrix metalloproteinase-2 and proinflammatory cytokines in cultured human periodontal ligament fibroblasts. Eur J Oral Sci 2015; 123:249-53. [PMID: 26058789 DOI: 10.1111/eos.12191] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/05/2015] [Indexed: 12/29/2022]
Abstract
Since focal adhesion kinase (FAK) was proposed as a mediator of the inflammatory response, we have investigated the role of this molecule in the release of inflammatory cytokines by cultured human periodontal ligament fibroblasts (HPDLFs), cells that are thought to be important in the patient's response to periodontal infection. Human periodontal ligament fibroblasts were stimulated by tumor necrosis factor alpha (TNF-α) and its effects on interleukin (IL)-6 and IL-8 release were measured by ELISA. Expression of matrix metalloproteinase 2 (MMP-2) protein was analysed by western blotting. The levels of IL6, IL8, and MMP2 mRNA were evaluated by real-time PCR. Tumor necrosis factor alpha dose-dependently induced the phosphorylation of FAK, whereas small interfering FAK (siFAK) inhibited TNF-α-induced FAK phosphorylation. Tumor necrosis factor alpha also stimulated the production of IL-6, IL-8, and MMP-2 in a dose-dependent manner. Knockdown of FAK significantly suppressed TNF-α-induced expression of IL6 and IL8 mRNA and release of IL-6 and IL-8 protein in HPDLFs. Similarly, MMP-2 down-regulation was significantly prevented by siFAK. Our results strongly suggest that knockdown of FAK can decrease the production of TNF-α-induced IL-6, IL-8, and MMP-2 in HPDLFs. These effects may help in understanding the mechanisms that control expression of inflammatory cytokines in the pathogenesis of periodontitis.
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Affiliation(s)
- Peng Zhang
- Department of Periodontology, School of Stomatology, Zhengzhou University, Zhengzhou, China
| | - Ya-jing Li
- Department of Periodontology, School of Stomatology, Zhengzhou University, Zhengzhou, China
| | - Liu-yun Guo
- Department of Periodontology, School of Stomatology, Zhengzhou University, Zhengzhou, China
| | - Guo-fang Wang
- Department of Periodontology, School of Stomatology, Zhengzhou University, Zhengzhou, China
| | - Ke Lu
- Department of Periodontology, School of Stomatology, Zhengzhou University, Zhengzhou, China
| | - Er-li Yue
- Department of Periodontology, School of Stomatology, Zhengzhou University, Zhengzhou, China
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