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Condition: Autoimmune Disease

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Total 230 results found since Jan 2013.

Elevated Aldolase 1A, retrogene 1 expression induces cardiac apoptosis in rat experimental autoimmune myocarditis model.
Abstract Acute myocarditis is an unpredictable heart disease, which is caused by inflammation-associated cell death. Although viral infection and drug exposure are known to induce acute myocarditis, the molecular basis for its development remains undefined. Using proteomics and molecular analyses in myosin-induced rat experimental autoimmune myocarditis (EAM), we identified that elevated expression of aldolase 1A, retrogene 1 (Aldoart1) is critical to induce mitochondrial dysfunction and acute myocarditis development. Here, we demonstrate that cardiac cell death is associated with increased expressions of pro-apop...
Source: Canadian Journal of Physiology and Pharmacology - January 29, 2020 Category: Drugs & Pharmacology Authors: Choi S, Chung JH, Nam MH, Bang E, Hong KS, Kim YH, Seo JB, Chi SG Tags: Can J Physiol Pharmacol Source Type: research

Understanding the immunopathogenesis of autoimmune diseases by animal studies using gene therapy: A comprehensive review
This article will give a new perspective on understanding immunopathogenesis of autoimmune diseases not only in animals but also in human. Emerging approaches to investigate cytokine regulation through gene therapy may be a potential approach for the tailored immunomodulation of some autoimmune diseases near in the future.
Source: Autoimmunity Reviews - January 7, 2020 Category: Allergy & Immunology Source Type: research

Overexpression of interleukin-20 receptor subunit beta (IL20RB) correlates with cell proliferation, invasion and migration enhancement and poor prognosis in papillary renal cell carcinoma.
Authors: Cui XF, Cui XG, Leng N Abstract Papillary renal cell carcinoma (PRCC) accounts for about 10 percent of all renal cell carcinomas, and the prognosis is poor for people with advanced disease. Interleukin-20 receptor subunit beta (IL20RB) is a single-pass type I membrane protein of the type II cytokine receptor family and is related to the pathogenesis of chronic inflammation and autoimmune diseases, including psoriasis, glaucoma, vitiligo, rheumatoid arthritis, and inflammatory bowel disease. However, little has been reported on IL20RB with respect to cancer, especially in PRCC. Thus, we performed this study...
Source: Journal of Toxicologic Pathology - November 14, 2019 Category: Toxicology Tags: J Toxicol Pathol Source Type: research

Attenuated cholesterol metabolism pathway suppresses regulatory T cell development in prenatal nicotine exposed female mice.
In conclusion, this study showed that PNE could suppress Tregs development in female mice by up-regulating ABCG1-dependent cholesterol efflux, and suggested that PNE-induced thymic Tregs recession of offspring at early life was the developmental origin mechanism of immune dysfunction in later life. PMID: 31629012 [PubMed - as supplied by publisher]
Source: Toxicology - October 15, 2019 Category: Toxicology Authors: Wen X, Zhao WH, Chen LZ, Qu W, Liu HX, Yan HY, Hou LF, Ping J Tags: Toxicology Source Type: research

Study identifies therapeutic target for high blood pressure in the lungs
This study was supported by grants from the National Institutes of Health and the American Heart Association; and by the Foundation for Anesthesia Education and Research.
Source: UCLA Newsroom: Health Sciences - October 1, 2019 Category: Universities & Medical Training Source Type: news

RNAi Transfection Optimized in Primary Na ïve B Cells for the Targeted Analysis of Human Plasma Cell Differentiation
This study reports a validated non-viral method of siRNA delivery into human primary B cells that can be applied to study gene regulatory networks that control human ASC differentiation.
Source: Frontiers in Immunology - July 22, 2019 Category: Allergy & Immunology Source Type: research

{beta}-Arrestin-1 inhibits glucocorticoid receptor turnover and alters glucocorticoid signaling Signal Transduction
In this study, we discovered a novel protein interaction between the glucocorticoid receptor and β-arrestin-1, a scaffold protein with a well-established role in G protein–coupled receptor signaling. Using co-immunoprecipitation and in situ proximity ligation assays in A549 cells, we observed that β-arrestin-1 and unliganded GR interact in the cytoplasm and that, following glucocorticoid binding, the protein complex is found in the nucleus. We show that siRNA-mediated β-arrestin-1 knockdown alters GR protein turnover by up-regulating the E3 ubiquitin ligase Pellino-1, which catalyzes GR ubiquitination and thereby mark...
Source: Journal of Biological Chemistry - July 18, 2019 Category: Chemistry Authors: Maria G. Petrillo, Robert H. Oakley, John A. Cidlowski Tags: Signal Transduction Source Type: research

Selective deletion of Eos (Ikzf4) in T-regulatory cells leads to loss of suppressive function and development of systemic autoimmunity.
Abstract Eos (lkzf4) is a member of the Ikaros family of transcription factors and is preferentially expressed in T-regulatory (Treg) cells. However, the role of Eos in Treg function is controversial. One study using siRNA knock down of Eos demonstrated that it was critical for Treg suppressor function. In contrast, Treg from mice with a global deficiency of Eos had normal Treg function in vitro and in vivo. To further dissect the function of Eos in Tregs, we generated mice with a conditional knock out of Eos in Treg cells (lkzf4fl/fl X Foxp3YFP-cre, Eos cKO). Deletion of Eos in Treg resulted in activation of CD4+...
Source: Journal of Autoimmunity - July 7, 2019 Category: Allergy & Immunology Authors: Gokhale AS, Gangaplara A, Lopez-Occasio M, Thornton AM, Shevach EM Tags: J Autoimmun Source Type: research

Pim ‐1 As a Therapeutic Target in Lupus Nephritis
ConclusionThese data identify Pim ‐1 as a critical regulator of LN pathogenesis in patients with SLE. Targeting of the Pim‐1/NFATc1/NLRP3 pathway might therefore have therapeutic potential in human LN.
Source: Arthritis and Rheumatology - July 1, 2019 Category: Rheumatology Authors: Rong Fu, Yong Xia, Meirong Li, Renxiang Mao, Chaohuan Guo, Mianjing Zhou, Hechang Tan, Meiling Liu, Shuang Wang, Niansheng Yang, Jijun Zhao Tags: Original Article Source Type: research

siRNA nanotherapeutics: a promising strategy for anti-HBV therapy
Chronic hepatitis B (CHB) is the most common cause of hepatocellular carcinoma (HCC) and liver cirrhosis worldwide. In spite of the numerous advances in the treatment of CHB, drugs and vaccines have failed because of many factors like complexity, resistance, toxicity, and heavy cost. New RNA interference (RNAi)-based technologies have developed innovative strategies to target Achilles' heel of the several hazardous diseases involving cancer, some genetic disease, autoimmune illnesses, and viral disorders particularly hepatitis B virus (HBV) infections. Naked siRNA delivery has serious challenges including failure to cross ...
Source: IET Nanobiotechnology - June 21, 2019 Category: Nanotechnology Source Type: research

BMP9 inhibits the proliferation and migration of fibroblast-like synoviocytes in rheumatoid arthritis via the PI3K/AKT signaling pathway.
In this study, we explored the function and underlying mechanisms of BMP9 in the proliferation and migration of RA FLSs. We found that BMP9 expression was significantly downregulated in the synovial tissues of RA patients, compared with those of OA patients; BMP9 expression was also low in adjuvant-induced arthritis (AA) samples. Additionally, inhibition of BMP9 expression by BMP9 siRNA increased the proliferation of AA FLSs, and the expression of c-Myc, Cyclin D1, MMP-2, and MMP-9, but not TIMP-1, in AA FLSs. However, AA FLSs transfected with the overexpression vector PEX-3-BMP9 showed reduced proliferation and expression...
Source: International Immunopharmacology - June 12, 2019 Category: Allergy & Immunology Authors: Song B, Li XF, Yao Y, Xu QQ, Meng XM, Huang C, Li J Tags: Int Immunopharmacol Source Type: research

Lipidoid-Polymer Hybrid Nanoparticles Loaded with TNF siRNA Suppress Inflammation after Intra-articular Administration in a Murine Experimental Arthritis Model.
Abstract Rheumatoid arthritis (RA) is a common autoimmune disease, which is characterized by painful chronic inflammation in the joints, and novel safe and efficacious treatments are urgently needed. RNA interference (RNAi) therapy based on small interfering RNA (siRNA) is a promising approach for silencing specific genes involved in inflammation. However, delivery of siRNA to the target site, i.e. the cytosol of immune cells, is a challenge. Here, we designed lipid-polymer hybrid nanoparticles (LPNs) composed of lipidoid and poly(DL-lactic-co-glycolic acid) loaded with a therapeutic cargo siRNA directed against t...
Source: European Journal of Pharmaceutics and Biopharmaceutics - June 10, 2019 Category: Drugs & Pharmacology Authors: Jansen MAA, Klausen LH, Thanki K, Lyngsø J, Skov Pedersen J, Franzyk H, Nielsen HM, van Eden W, Dong M, Broere F, Foged C, Zeng X Tags: Eur J Pharm Biopharm Source Type: research

Direct Inhibition of IRF-Dependent Transcriptional Regulatory Mechanisms Associated With Disease
Interferon regulatory factors (IRFs) are a family of homologous proteins that regulate the transcription of interferons (IFNs) and interferon-induced gene expression. As such they are important modulating proteins in the Toll-like receptor (TLR) and interferon signaling pathways, which are vital elements of the innate immune system. IRFs have a multi-domain structure, with the N-terminal part acting as a DNA binding domain (DBD) that recognizes a DNA-binding motif similar to the IFN-stimulated response element (ISRE). The C-terminal part contains the IRF-association domain (IAD), with which they can self-associate, bind to...
Source: Frontiers in Immunology - May 23, 2019 Category: Allergy & Immunology Source Type: research

Regulation of CD11b by HIF-1α and the STAT3 signaling pathway contributes to the immunosuppressive function of B cells in inflammatory bowel disease
In conclusion, our study demonstrated the key function of the hypoxia-associated transcription factor HIF-1α together with p-STAT3 in driving CD11b transcription in B cells and controlling B cell’s protective activity in experimental inflammatory bowel disease (IBD).
Source: Molecular Immunology - May 8, 2019 Category: Allergy & Immunology Source Type: research

Naringenin Produces Neuroprotection Against LPS-Induced Dopamine Neurotoxicity via the Inhibition of Microglial NLRP3 Inflammasome Activation
Conclusions: This study demonstrated that NAR targeted microglial NLRP3 inflammasome to protect DA neurons against LPS-induced neurotoxicity. These findings suggest NAR might hold a promising therapeutic potential for PD. Background Parkinson's disease (PD) is the second most prevalent central nervous system (CNS) degenerative disease. It is characterized by slow and progressive loss of dopamine (DA) neurons in the midbrain substantia nigra (SN) with the accumulation of α-synuclein in Lewy bodies and neuritis (1). Although the etiology of PD remains unclear, amounts of studies have suggested that ne...
Source: Frontiers in Immunology - April 30, 2019 Category: Allergy & Immunology Source Type: research