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Condition: Arthritis

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Total 425 results found since Jan 2013.

Amphiphilic Phosphorus Dendrons Associated with Anti-inflammatory siRNA Reduce Symptoms in Murine Collagen-Induced Arthritis
Biomacromolecules. 2023 Jan 4. doi: 10.1021/acs.biomac.2c01117. Online ahead of print.ABSTRACTSmall interfering RNA (siRNA) holds promise for treating rheumatoid arthritis by inhibiting major cytokines such as tumor necrosis factor-α (TNF-α). We developed original cationic amphiphilic phosphorus dendrons to produce dendriplexes associated with TNF-α siRNA. The dendrons were made of 10 pyrrolidinium end groups and a C17 aliphatic chain. The dendriplexes demonstrated the ability to protect siRNA from nuclease degradation and to promote macrophage uptake. Moreover, they led to potent inhibition of TNF-α expression in the ...
Source: Biomacromolecules - January 4, 2023 Category: Biochemistry Authors: Zhibo Yu Nicolas Tsapis Fran çois Fay Liang Chen Andrii Karpus Xiangyang Shi Catherine Cailleau Samuel Garc ía Pérez Nicolas Huang Juliette Vergnaud Serge Mignani Jean-Pierre Majoral Elias Fattal Source Type: research

Intra-articular delivery of anti-Hif-2α siRNA by chondrocyte-homing nanoparticles to prevent cartilage degeneration in arthritic mice
Intra-articular delivery of anti-Hif-2α siRNA by chondrocyte-homing nanoparticles to prevent cartilage degeneration in arthritic mice Gene Therapy advance online publication, April 16 2015. doi:10.1038/gt.2015.16 Authors: Y Pi, X Zhang, Z Shao, F Zhao, X Hu & Y Ao
Source: Gene Therapy - April 16, 2015 Category: Genetics & Stem Cells Authors: Y PiX ZhangZ ShaoF ZhaoX HuY Ao Source Type: research

Peptide-siRNA nanotherapeutics in arthritis.
Authors: Pham CT, Pan H, Wickline SA PMID: 26121712 [PubMed - as supplied by publisher]
Source: Oncotarget - July 2, 2015 Category: Cancer & Oncology Tags: Oncotarget Source Type: research

Activity of fibroblast-like synoviocytes in rheumatoid arthritis was impaired by dickkopf-1 targeting siRNA.
CONCLUSIONS: By inhibiting DKK-1, we were able to inhibit the proliferation, invasion and pro-inflammatory cytokine secretion of FLSs derived from RA, which was mediated by the ERK or the IRAK-1 signaling pathway. These data indicate the application of DKK-1 silencing could be a potential therapeutic approach to RA. PMID: 32068606 [PubMed - as supplied by publisher]
Source: Chinese Medical Journal - February 13, 2020 Category: General Medicine Authors: Liu YY, Wang SY, Li YN, Bian WJ, Zhang LQ, Li YH, Long L, Liu X, Zhang XW, Li ZG Tags: Chin Med J (Engl) Source Type: research

TonEBP Suppresses the HO-1 Gene by Blocking Recruitment of Nrf2 to Its Promoter
Discussion Dynamic changes in the functional phenotype of macrophages are associated with pathogenesis of inflammatory diseases (5–7). TonEBP primes macrophages toward an M1 phenotype, which has pro-inflammatory properties. TonEBP does this by promoting expression of pro-inflammatory genes via interaction with NF-κB (36) and by binding directly to the promoter (37, 64). In addition, TonEBP suppresses expression of the anti-inflammatory cytokine IL-10 by limiting chromatin access to the promoter (37). The pro-inflammatory function of TonEBP suggests that inhibiting its expression or activation could suppres...
Source: Frontiers in Immunology - April 17, 2019 Category: Allergy & Immunology Source Type: research

Intra-articular Retention and Anti-arthritic Effects in Collagen-Induced Arthritis Model Mice by Injectable Small Interfering RNA Containing Hydrogel.
In this study, to develop an intra-articular injectable gel formulation against RA, we prepared a hydrogel that contains anti-RelA siRNA, and determined the in vitro release profile (%) and in vivo intra-articular retention of fluorescence-labeled model siRNA, and the anti-arthritic effects of the anti-RelA siRelA containing hydrogel in RA model mice. We selected the silk protein, sericin (SC), as an aqueous gel base, as it is a biocompatible and useful for forming hydrogels without a cross-linker. We showed that fluorescence-labeled model siRNA was continuously released from SC hydrogel in vitro, and retained in the knee ...
Source: Biological and Pharmaceutical Bulletin - November 4, 2017 Category: Drugs & Pharmacology Authors: Kanazawa T, Tamano K, Sogabe K, Endo T, Ibaraki H, Takashima Y, Seta Y Tags: Biol Pharm Bull Source Type: research

Genetic Regulation of Liver Metabolites and Transcripts Linking to Biochemical-Clinical Parameters
Conclusion In summary, this study is the first to combine metabolomics, transcriptomics, and genome-wide association studies in a porcine model. Our results improve understanding of the genetic regulation of metabolites which link to transcripts and finally biochemical-clinical parameters. Further, high-performance profiling of metabolites as intermediate phenotypes is a potentially powerful approach to uncover how genetic variation affects metabolic and health status. Our results advance knowledge in areas of biomedical and agricultural interest and identify potential correlates of biomarkers, SNPs-metabolites, SNPs-tran...
Source: Frontiers in Genetics - April 16, 2019 Category: Genetics & Stem Cells Source Type: research

Adenovirus-Mediated Small Interfering RNA Targeting TAK1 Ameliorates Joint Inflammation with Collagen-Induced Arthritis in Mice
AbstractTransforming growth factor β-activated kinase-1 (TAK1) is a key upstream kinase in cell signaling during inflammation, which regulates the expression of inflammatory mediators. Small interfering RNA (siRNA) against TAK1 offers promise as a potential therapeutic strategy in immune-mediated inflammatory disorder including rheu matoid arthritis. Here, we are to evaluate the therapeutic effects of intra-articular administration of adenoviral-mediated siRNA against TAK1 (ad-siRNA-TAK1) on collagen-induced arthritis (CIA) in mice. Ad-siRNA-TAK1 was constructed. The murine RAW 264.7 macrophages were infected with ad-siRN...
Source: Inflammation - February 20, 2017 Category: Allergy & Immunology Source Type: research

Auranofin, an Anti-rheumatic Gold Drug, Aggravates the Radiation-Induced Acute Intestinal Injury in Mice
Conclusion In this study, we found that a non-toxic dose of auranofin significantly aggravated the severity of the radiation-induced intestinal injury. This suggests that auranofin treatment can be an independent factor that influences the risk of intestinal complications after pelvic or abdominal radiotherapy. Ethics Statement All the protocols used in this study were approved by the Institutional Animal Care and Use Committee of the Korean Institute of Radiological and Medical Sciences (IACUC permit number: KIRAMS217-0007). Author Contributions H-JL, JS, and Y-BL designed the experiments. EL and JK conducted the exp...
Source: Frontiers in Pharmacology - April 23, 2019 Category: Drugs & Pharmacology Source Type: research

Photoacoustic/ultrasound-guided gene silencing: Multifunctional microbubbles for treating adjuvant-induced arthritis
CONCLUSIONS: The theranostic MBs exhibited a TNF-α gene silencing effect under the guidance of CEUS and PAI. The theranostic MBs served as vehicles for delivering siRNA as well as contrast agents for CEUS and PAI.PMID:37012868 | DOI:10.1016/j.intimp.2023.109978
Source: International Immunopharmacology - April 4, 2023 Category: Allergy & Immunology Authors: Chenyang Zhao Rui Zhang Sirui Liu Xuelan Li Desheng Sun Yuxin Jiang Meng Yang Source Type: research

Autophagy Is a Defense Mechanism Inhibiting Invasion and Inflammation During High-Virulent Haemophilus parasuis Infection in PK-15 Cells
In this study, we sought to investigate whether SH0165 (serovar 5, high-virulent strain) and HN0001 (serovar 6, non-virulent strain) infection induces autophagy and the specific role of autophagy in bacterial invasion and inflammation during H. parasuis infection. Moreover, we explored the mechanism underlying autophagy regulated inflammation through inflammatory signaling cascades during H. parasuis infection. This observation could provide useful information for further understanding the role of autophagy in H. parasuis infection and improve our knowledge of new strategies against this pathogen. Materials and Methods B...
Source: Frontiers in cellular and infection microbiology - April 15, 2019 Category: Microbiology Source Type: research

CARD11 blockade suppresses murine collagen-induced arthritis via inhibiting CARD11/Bcl10 assembly and Th17 response.
Abstract The scaffold protein caspase recruitment domain-containing protein 11 (CARD11) is implicated in the regulation of inflammation and autoimmunity. The present study aimed to explore the role of CARD11 in the pathogenesis of rheumatoid arthritis (RA). Mice with collagen-induced arthritis (CIA) were treated with either CARD11-targeted interfering RNA (CARD11 siRNA) or control siRNA by intraperitoneal injection every 3d after CIA establishment. The clinical score of arthritis was recorded every other day. Synovial inflammation and cartilage erosion were evaluated by histology and micro-computed tomography (mic...
Source: Clinical and Developmental Immunology - January 20, 2014 Category: Allergy & Immunology Authors: Wang H, Zhao J, Zhang H, Huang Y, Wang S, Tu Q, Yang N Tags: Clin Exp Immunol Source Type: research