Autoimmunity最新文献

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Astragaloside IV promotes the pyroptosis of airway smooth muscle cells in childhood asthma by suppressing HMGB1/RAGE axis to inactivate NF-κb pathway. 黄芪皂苷 IV 通过抑制 HMGB1/RAGE 轴,使 NF-κb 通路失活,从而促进儿童哮喘患者气道平滑肌细胞的热休克。
IF 3.3 4区 医学
Autoimmunity Pub Date : 2024-12-01 Epub Date: 2024-08-04 DOI: 10.1080/08916934.2024.2387100
Huahong Zhang, Jun Zhang, Hangli Pan, Ke Yang, Chongwei Hu
{"title":"Astragaloside IV promotes the pyroptosis of airway smooth muscle cells in childhood asthma by suppressing HMGB1/RAGE axis to inactivate NF-κb pathway.","authors":"Huahong Zhang, Jun Zhang, Hangli Pan, Ke Yang, Chongwei Hu","doi":"10.1080/08916934.2024.2387100","DOIUrl":"10.1080/08916934.2024.2387100","url":null,"abstract":"<p><p>Childhood asthma, a common chronic childhood disease, leads to high mortality and morbidity in the world. Airway smooth muscle cells (ASMCs) is a group of multifunctional cells that has been found to be correlated with the pathogenesis of asthma. Astragaloside IV (AS-IV) is a compound extracted from <i>Astragalus membranaceus</i>, which has the anti-asthmatic effect. However, the role of molecular mechanisms regulated by AS-IV in the biological processes of ASMCs in asthma remains unclear. Our current study aims to investigate the downstream molecular mechanism of AS-IV in modulating the aberrant proliferation and pyroptosis of ASMCs in asthma. At first, we determined that the viability of ASMCs could be efficiently suppressed by AS-IV treatment (200 μM). Moreover, AS-IV promoted the pyroptosis and suppressed PDGF-BB-induced aberrant proliferation. Through mechanism investigation, we confirmed that AS-IV could suppress high mobility group box 1 (HMGB1) expression and prevent it from entering the cytoplasm. Subsequently, AS-IV blocked the interaction between HMGB1 and advanced glycosylation end product-specific receptor (RAGE) to inactivate NF-κB pathway. Finally, <i>in vivo</i> experiments demonstrated that AS-IV treatment can alleviate the lung inflammation in asthma mice. Collectively, AS-IV alleviates asthma and suppresses the pyroptosis of AMSCs through blocking HMGB1/RAGE axis to inactivate NF-κB pathway.</p>","PeriodicalId":8688,"journal":{"name":"Autoimmunity","volume":"57 1","pages":"2387100"},"PeriodicalIF":3.3,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141888328","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Partial long-term clinical improvement after a BCG challenge in systemic lupus erythematosus-prone mice. 系统性红斑狼疮易感小鼠接受卡介苗挑战后的部分长期临床症状改善
IF 3.3 4区 医学
Autoimmunity Pub Date : 2024-12-01 Epub Date: 2024-07-21 DOI: 10.1080/08916934.2024.2380465
Valentina P Mora, Francisco B Quero, Tays Troncoso-Bravo, Claudia Orellana, Patricia Pereira, Juan P Mackern-Oberti, Samanta C Funes, Jorge A Soto, Karen Bohmwald, Susan M Bueno, Alexis M Kalergis
{"title":"Partial long-term clinical improvement after a BCG challenge in systemic lupus erythematosus-prone mice.","authors":"Valentina P Mora, Francisco B Quero, Tays Troncoso-Bravo, Claudia Orellana, Patricia Pereira, Juan P Mackern-Oberti, Samanta C Funes, Jorge A Soto, Karen Bohmwald, Susan M Bueno, Alexis M Kalergis","doi":"10.1080/08916934.2024.2380465","DOIUrl":"10.1080/08916934.2024.2380465","url":null,"abstract":"<p><p>Systemic Lupus Erythematosus (SLE) is an autoimmune disorder that causes a breakdown of immune tolerance. Current treatments mainly involve general immunosuppression, increasing the risk of infections. On the other hand, Bacillus Calmette-Guérin (BCG) has been investigated as a potential therapy for autoimmune diseases in recent years, prompting an ongoing investigation. This study aimed to evaluate the effect of BCG vaccination on early and late clinical presentation of SLE in a murine disease model. MRL/MPJ-Fas<sup>lpr</sup> mice were immunized with BCG or treated with PBS as a control. The progress of the disease was evaluated at 27 days post-immunization (dpi) (early) and 56 dpi (late). Clinical parameters and proteinuria were monitored. Blood samples were collected for measurement of antinuclear antibodies (ANAs), anti-double-stranded DNA (anti-dsDNA), and cytokine determination was performed using ELISA. Samples collected from mice were analyzed by flow cytometry and histopathology. We observed a clinical improvement in BCG-treated mice, reduced proteinuria in the latter stages of the disease, and decreased TNF-α. However, BCG did not elicit significant changes in ANAs, anti-dsDNA, histopathological scores, or immune cell infiltration. BCG was only partially beneficial in an SLE mouse model, and further research is needed to determine whether the immunity induced by this vaccine can counteract lupus's autoimmune response.</p>","PeriodicalId":8688,"journal":{"name":"Autoimmunity","volume":"57 1","pages":"2380465"},"PeriodicalIF":3.3,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141733458","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
TMEM164 promotes ferroptosis by selectively mediating ATG5-dependent autophagosome formation to inhibit the progression of LUAD. TMEM164 通过选择性地介导 ATG5 依赖性自噬体的形成来促进铁变态反应,从而抑制 LUAD 的进展。
IF 3.3 4区 医学
Autoimmunity Pub Date : 2024-12-01 Epub Date: 2024-10-11 DOI: 10.1080/08916934.2024.2410192
Yongxiang Su, Lintao Li, Junhai Chen, Chao Gao
{"title":"TMEM164 promotes ferroptosis by selectively mediating ATG5-dependent autophagosome formation to inhibit the progression of LUAD.","authors":"Yongxiang Su, Lintao Li, Junhai Chen, Chao Gao","doi":"10.1080/08916934.2024.2410192","DOIUrl":"10.1080/08916934.2024.2410192","url":null,"abstract":"<p><p>The study focuses on lung adenocarcinoma (LUAD), a predominant type of lung cancer. Despite advancements in diagnostics and molecular therapies, treatment remains challenging due to its low five-year survival rate. This study aims to investigate the role of the transmembrane protein TMEM164 in ferroptosis and anti-tumor immunity in LUAD, and to evaluate its potential as a therapeutic target. Through cellular experiments (such as QPCR, WB, CCK-8, EdU, Transwell, flow cytometry, CO-IP) and animal model experiments (including HE staining and IHC analysis), the relationship between TMEM164 expression and LUAD progression was explored, with particular attention to its mechanisms in ferroptosis and autophagy. The results show that TMEM164 expression is downregulated in LUAD and is associated with poor prognosis. Increasing TMEM164 expression significantly inhibits cell proliferation, migration, and invasion, while promoting an autophagy process dependent on ATG5 for autophagosome formation, thus facilitating ferroptosis. In mouse models, high TMEM164 expression combined with anti-PD-1 antibodies demonstrated synergistic anti-tumor effects. These findings highlight the critical role of TMEM164 in LUAD, suggesting that modulating TMEM164 expression could open new avenues for LUAD treatment.</p>","PeriodicalId":8688,"journal":{"name":"Autoimmunity","volume":"57 1","pages":"2410192"},"PeriodicalIF":3.3,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142399167","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Identification of TXN and F5 as novel diagnostic gene biomarkers of the severe asthma based on bioinformatics and machine learning analysis. 基于生物信息学和机器学习分析,确定 TXN 和 F5 为重症哮喘的新型诊断基因生物标记物。
IF 3.3 4区 医学
Autoimmunity Pub Date : 2024-12-01 Epub Date: 2024-11-12 DOI: 10.1080/08916934.2024.2427085
Lu Shou, Haidong He, Yi Wei, Xianrong Xu, Wenmin Wang, Jisheng Zheng
{"title":"Identification of TXN and F5 as novel diagnostic gene biomarkers of the severe asthma based on bioinformatics and machine learning analysis.","authors":"Lu Shou, Haidong He, Yi Wei, Xianrong Xu, Wenmin Wang, Jisheng Zheng","doi":"10.1080/08916934.2024.2427085","DOIUrl":"10.1080/08916934.2024.2427085","url":null,"abstract":"<p><p>Asthma poses a major threat to human health. The aim of this study was to identify genetic markers of severe asthma and analyze the relationship between key genes and immune infiltration. Differentially expressed genes (DEGs) were first screened by downloading the training set GSE69683 and validation set GSE137268 from the GEO dataset. SVM-RFE analysis and the LASSO regression model were used to screen key genes, and CIBERSORT was used to assess immune infiltration in the samples. A total of 20 DEGs were identified in this study, mainly enriched for lymph node-like receptors, b-cell receptors, and neutrophil extracellular trap pathway. Comparative validation set GSE137268 identified thioredoxin (TXN) and coagulation factor V (F5) were identified as diagnostic markers of severe asthma. CIBERSORT analysis revealed that TXN and F5 are associated with multiple immune cell infiltrates. In addition, we identified miRNA and TF at the transcriptional level that may regulate F5 and TXN, and found that several commonly used drugs may exert therapeutic effects by targeting F5 and TXN. Taken together, TXN and F5 may be key genes in the development of severe asthma and are associated with immune infiltration. Our study can help to better understand the pathogenesis of asthma and provide new ideas for clinical treatment.</p>","PeriodicalId":8688,"journal":{"name":"Autoimmunity","volume":"57 1","pages":"2427085"},"PeriodicalIF":3.3,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142613978","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Sex-specific differences in SLE - Significance in the experimental setting of inflammation and kidney damage in MRL-Faslpr mice. 系统性红斑狼疮的性别差异--在 MRL-Faslpr 小鼠炎症和肾损伤的实验环境中的意义。
IF 3.3 4区 医学
Autoimmunity Pub Date : 2024-12-01 Epub Date: 2024-07-14 DOI: 10.1080/08916934.2024.2377098
Sabrina Saurin, Myriam Meineck, Paul Claßen, Simone Cosima Boedecker-Lips, Andrea Pautz, Julia Weinmann-Menke
{"title":"Sex-specific differences in SLE - Significance in the experimental setting of inflammation and kidney damage in MRL-Fas<sup>lpr</sup> mice.","authors":"Sabrina Saurin, Myriam Meineck, Paul Claßen, Simone Cosima Boedecker-Lips, Andrea Pautz, Julia Weinmann-Menke","doi":"10.1080/08916934.2024.2377098","DOIUrl":"10.1080/08916934.2024.2377098","url":null,"abstract":"<p><p>Animal models are an important tool in the research of chronic autoimmune diseases, like systemic lupus erythematosus (SLE). MRL-Fas<sup>lpr</sup> mice are one of different lupus models that develop spontaneously an SLE-like disease with autoantibodies and immune complex deposition that leads into damage of different organs. In contrast to human SLE, both sexes of MRL-Fas<sup>lpr</sup> mice develop a similar autoimmune disease. Due to the sex bias in human and the delayed disease progression in male MRL-Fas<sup>lpr</sup> mice, the majority of studies have been performed in female mice. To determine the suitability of male MRL-Fas<sup>lpr</sup> mice for SLE research, especially with regard to the 3 R-principle and animal welfare, analyses of phenotype, inflammation and damage with focus on kidney and spleen were performed in mice of both sexes. Female mice developed lymphadenopathy and skin lesions earlier as males. At an age of 3.5 month, more immune cells infiltrated kidney and spleen in females compared to males. At the age of 5 months, however, substantially less sex-specific differences were detected. Since other studies have shown differences between both sexes on other manifestations like autoimmune pancreatitis and Sjögren syndrome in MRL-Fas<sup>lpr</sup> mice, the use of male mice as part of 3 R-principle and animal welfare must be carefully considered.</p>","PeriodicalId":8688,"journal":{"name":"Autoimmunity","volume":"57 1","pages":"2377098"},"PeriodicalIF":3.3,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141615869","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Research progress in the construction of animal models of autoimmune thyroiditis. 构建自身免疫性甲状腺炎动物模型的研究进展。
IF 3.3 4区 医学
Autoimmunity Pub Date : 2024-12-01 Epub Date: 2024-02-20 DOI: 10.1080/08916934.2024.2317190
Ke Liu, Pei Zhang, Ling Zhou, Lin Han, Linhua Zhao, Xiaotong Yu
{"title":"Research progress in the construction of animal models of autoimmune thyroiditis.","authors":"Ke Liu, Pei Zhang, Ling Zhou, Lin Han, Linhua Zhao, Xiaotong Yu","doi":"10.1080/08916934.2024.2317190","DOIUrl":"10.1080/08916934.2024.2317190","url":null,"abstract":"<p><p>Autoimmune thyroiditis (AIT), also known as Hashimoto's thyroiditis (HT), is an autoimmune disease that is characterised by elevated thyroid-specific antibody titres. The incidence of AIT is increasing year over year, making it urgent to establish a suitable animal model for this condition, in order to better explore its pathogenesis and potential pharmaceutical mechanisms for treatment. Owing to a lack of basic research on this disease, problems such as disparate modelling methods with unclear and varying success rates make it difficult for researchers to obtain effective information on AIT in the short term. This report summarises and analyzes the current literature on AIT and combines actual operability to explain the selection and specific implementation processes behind the uses of different modelling approaches, to provide a better overall understanding of autoimmune thyroid diseases.</p>","PeriodicalId":8688,"journal":{"name":"Autoimmunity","volume":"57 1","pages":"2317190"},"PeriodicalIF":3.3,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139911953","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Increased IgD and CD27 Double Negative (DN) B cell population in pediatric onset autoimmune hepatitis. 小儿自身免疫性肝炎中 IgD 和 CD27 双阴性 (DN) B 细胞数量增加。
IF 3.3 4区 医学
Autoimmunity Pub Date : 2024-12-01 Epub Date: 2024-05-21 DOI: 10.1080/08916934.2024.2356089
Vasantha L Kolachala, Chungwen Wei, Suresh Venkateswaran, Aisha Latrece Hill, Vivian Warren, Hillary Espinoza, Iñaki Sanz, Nitika A Gupta
{"title":"Increased IgD and CD27 Double Negative (DN) B cell population in pediatric onset autoimmune hepatitis.","authors":"Vasantha L Kolachala, Chungwen Wei, Suresh Venkateswaran, Aisha Latrece Hill, Vivian Warren, Hillary Espinoza, Iñaki Sanz, Nitika A Gupta","doi":"10.1080/08916934.2024.2356089","DOIUrl":"10.1080/08916934.2024.2356089","url":null,"abstract":"<p><p>Autoimmune hepatitis (AIH) is a chronic, inflammatory liver disease of unknown aetiology which requires lifelong immunosuppression. Most therapeutic and outcome studies of AIH have been conducted predominantly in Caucasian (European Ancestry, EA) cohorts, with the exclusion of African American (AA) patients due to inadequate sample size. It is known that AA patients have a severe phenotype of autoimmune diseases and demonstrate a poor response to conventional medical therapy. Understanding cellular and molecular pathways which determine AIH severity and progression in AA patients is likely to lead to the discovery of novel, personalised and better tolerated therapies. The aim of the study is to determine the distinct effector B cell phenotypes which contribute to disease severity and progression of AIH in AA children as compared to their EA cohorts. PBMCs were isolated from blood samples collected from patients visiting Children's Healthcare of Atlanta (CHOA) and were grouped into AA, (<i>n</i> = 12), EA, (<i>n</i> = 11) and controls (<i>n</i> = 12) and were processed for flow cytometry. Markers of B cell development, maturation and activation were assessed namely CD19, CD21, IgD, CD27, CD38, CD11c, CD24, CD138. AA children with AIH demonstrated an expansion of CD19 + ve, Activated Naïve (aN), (CD19<sup>+</sup> IgD<sup>-</sup>/CD27<sup>-</sup> Double Negative (DN<sub>2</sub>) ([CD19+/IgD<sup>-</sup>/CD27<sup>++</sup>CD38<sup>++</sup>) cells. Plasmablasts were significantly higher along with Signalling Lymphocytic activation molecule F7 (SLAMF7). Unswitched memory [CD19+] IgD<sup>+</sup>CD27<sup>+</sup> (USM) B cells were significantly contracted in AA patients with AIH. B cell phenotyping reveals a distinct profile in AA AIH patients with a major skewing towards the expansion of effector pathways which have been previously characterised in severe SLE in AA patients. These results suggest that the quantification and therapeutic target of B cell pathway could contribute substantially to the clinical approach to AIH especially in the AA population.</p>","PeriodicalId":8688,"journal":{"name":"Autoimmunity","volume":"57 1","pages":"2356089"},"PeriodicalIF":3.3,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141070579","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Silencing of CircTRIM25/miR-138-5p/CREB1 axis promotes chondrogenesis in osteoarthritis. 沉默CircTRIM25/miR-138-5p/CREB1轴可促进骨关节炎中的软骨生成。
IF 3.3 4区 医学
Autoimmunity Pub Date : 2024-12-01 Epub Date: 2024-07-15 DOI: 10.1080/08916934.2024.2361749
Chunlei He, Zhaogan Zeng, Yadong Yang, Shanshan Ye, Qiang Wu, Xunzhi Liu, Chenghong Liu, Wanhui Zeng, Sheng Liu
{"title":"Silencing of CircTRIM25/miR-138-5p/CREB1 axis promotes chondrogenesis in osteoarthritis.","authors":"Chunlei He, Zhaogan Zeng, Yadong Yang, Shanshan Ye, Qiang Wu, Xunzhi Liu, Chenghong Liu, Wanhui Zeng, Sheng Liu","doi":"10.1080/08916934.2024.2361749","DOIUrl":"10.1080/08916934.2024.2361749","url":null,"abstract":"<p><strong>Background: </strong>Dysregulated circular RNAs (circRNAs) are involved in osteoarthritis (OA) progression.</p><p><strong>Objective: </strong>We aimed to explore the effect of hsa_circ_0044719 (circTRIM25) on the ferroptosis of chondrocytes.</p><p><strong>Methods: </strong>Chondrocytes were treated with interleukin (IL)-1β to generate cell model. Cellular behaviours were measured using cell counting kit-8, enzyme-linked immunosorbent assay, relevant kits, propidium iodide staining, and immunofluorescence assay. Quantitative real-time polymerase chain reaction was performed to examine the expression of circTRIM25, miR-138-5p, and cAMP responsive element binding protein 1 (CREB1), and their interactions were assessed using luciferase reporter analysis and RNA pull-down assay.</p><p><strong>Results: </strong>CircTRIM25 was upregulated in OA tissues and IL-1β-stimulated chondrocytes. Knockdown of circTRIM25 facilitated the viability and suppressed ferroptosis and inflammation of IL-1β-induced cells. CircTRIM25 served as a sponge of miR-138-5p, which directly targets CREB1. Downregulation of miR-138-5p abrogated the effect induced by knockdown of circTRIM25. Furthermore, enforced CREB1 reversed the miR-138-5p induced effect. Moreover, knockdown of circTRIM25 attenuated cartilage injury <i>in vivo</i>.</p><p><strong>Conclusion: </strong>Silencing of circTRIM25 inhibited ferroptosis of chondrocytes <i>via</i> the miR-138-5p/CREB axis and thus attenuated OA progression.</p>","PeriodicalId":8688,"journal":{"name":"Autoimmunity","volume":"57 1","pages":"2361749"},"PeriodicalIF":3.3,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141615870","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Alteration of reactive oxygen species master transcription factor Nrf2 in keratinocytes exposed to monoclonal pathogenic antibody AK23 against desmoglein-3 in pemphigus vulgaris. 寻常型天疱疮患者的角朊细胞暴露于抗desmoglein-3的单克隆致病抗体AK23后,其活性氧主转录因子Nrf2发生了改变。
IF 3.3 4区 医学
Autoimmunity Pub Date : 2024-12-01 Epub Date: 2024-07-22 DOI: 10.1080/08916934.2024.2377138
Faris Mohsin Ali Alabeedi
{"title":"Alteration of reactive oxygen species master transcription factor Nrf2 in keratinocytes exposed to monoclonal pathogenic antibody AK23 against desmoglein-3 in pemphigus vulgaris.","authors":"Faris Mohsin Ali Alabeedi","doi":"10.1080/08916934.2024.2377138","DOIUrl":"10.1080/08916934.2024.2377138","url":null,"abstract":"<p><p>Keratinocytes in mucosal and skin tissues maintain tissue integrity <i>via</i> desmosomes and desmoglein-3 (Dsg3). Pemphigus Vulgaris (PV) is a life-threatening autoimmune blistering disease characterized by autoantibodies against Dsg3, disrupting desmosomes. Nuclear factor erythroid 2-related factor 2 (Nrf2) regulates oxidative stress responses crucial for skin tissue protection. Although the pathogenesis of PV is known, the detailed molecular events remain unclear. This study investigates changes in Nrf2 expression in keratinocytes following pathogenic anti-Dsg3 antibody AK23 exposure, using dose- and time-dependent studies employing immunofluorescence analysis. N/TERT keratinocytes were cultured in keratinocytes serum-free medium and treated with AK23 at varying doses (5 µg/mL,40µg/mL,75µg/mL) and durations (2, 6, 24 h). Immunofluorescence staining was performed to assess the expression of Nrf2 and Dsg3. All fluorescent images were analyzed using ImageJ software. A dose-dependent increase in Dsg3 was noted following AK23 treatment, while Nrf2 expression and subcellular localization varied. Time-course analyses showed decreased Nrf2 at 24 h and increased Dsg3 levels. Early time-point (2 and 6 h) variations were evident in Nrf2 levels. This study highlights the impact of AK23 on Nrf2 expression, potentially disrupting Nrf2-mediated cytoprotection and implicating oxidative stress (ROS generation) in PV pathogenesis. Further investigation is necessary to validate the findings.</p>","PeriodicalId":8688,"journal":{"name":"Autoimmunity","volume":"57 1","pages":"2377138"},"PeriodicalIF":3.3,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141747352","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
LncRNA NONHSAT042241 inhibits rheumatoid synovial proliferation, inflammation and aggression via inactivating WNT/β-catenin signaling pathway. LncRNA NONHSAT042241通过灭活WNT/β-catenin信号通路抑制类风湿滑膜增殖、炎症和侵袭。
IF 3.3 4区 医学
Autoimmunity Pub Date : 2024-07-30 Epub Date: 2024-09-04 DOI: 10.1080/08916934.2024.2387076
Yehua Jin, Cen Chang, Xinpeng Zhou, Runrun Zhang, Ping Jiang, Kai Wei, Linshuai Xu, Yiming Shi, Guizhen Yang, Xinliang Lv, Yuejuan Zheng, Dongyi He
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