Journal of Investigative Medicine最新文献

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B-lymphocyte-induced maturation protein-1 inhibits inflammation and pyroptosis to alleviate sepsis injury. 表达:B淋巴细胞诱导成熟蛋白-1抑制炎症和脓毒症,减轻败血症损伤。
IF 2.5 4区 医学
Journal of Investigative Medicine Pub Date : 2024-08-01 Epub Date: 2024-05-21 DOI: 10.1177/10815589241249994
Zhizhen Zou, Xiling Deng, Jie Zhang, Jiangtao Dong, Fang Xu, Hui Zhang, Zhengyong Zhao, Xiaoling Liu, Su Liang, Jiangdong Wu, Le Zhang, Fang Wu, Wanjiang Zhang
{"title":"B-lymphocyte-induced maturation protein-1 inhibits inflammation and pyroptosis to alleviate sepsis injury.","authors":"Zhizhen Zou, Xiling Deng, Jie Zhang, Jiangtao Dong, Fang Xu, Hui Zhang, Zhengyong Zhao, Xiaoling Liu, Su Liang, Jiangdong Wu, Le Zhang, Fang Wu, Wanjiang Zhang","doi":"10.1177/10815589241249994","DOIUrl":"10.1177/10815589241249994","url":null,"abstract":"<p><p>Liver and lung tissue damage caused by sepsis is still one of the causes of death. B-lymphocyte-induced maturation protein-1 (Blimp-1) has a protective role in inflammation-related disease. However, whether Blimp-1 can regulate cell pyroptosis and affect disease progression in sepsis is still unclear. Animal and cell models were established by the cecal ligation and puncture method and lipopolysaccharides (LPS)-induced RAW 264.7 cells, respectively, and the role of Blimp-1 in regulation inflammatory response and pyroptosis was verified. The changes of inflammation and pyroptosis in liver and lung tissues of septic mice were determined by the addition of TAK-242 (TLR4 inhibitor). Cell pyroptosis and the level of inflammation was detected after Blimp-1 knockdown and TAK-242 treatment in the cell model. The expression of Blimp-1 was continuously increased in a septic mice model. After treatment with TAK-242, the expression of Blimp-1, pyroptosis and inflammatory levels were reduced in mice. In the LPS-induced cell model, cell injury by knockout Blimp-1 was increased, and cell activity was restored after TAK-242 intervention. Overexpression of Blimp-1 relieved LPS-induced cellular inflammatory damage and pyroptosis. Our study had shown that Blimp-1 could improve septic damage by regulating the level of cellular inflammation and pyroptosis in sepsis.</p>","PeriodicalId":16112,"journal":{"name":"Journal of Investigative Medicine","volume":" ","pages":"553-566"},"PeriodicalIF":2.5,"publicationDate":"2024-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140860378","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
Clinical outcomes and clinico-pathological correlations in children with MPO-ANCA-associated glomerulonephritis showing renal arteritis. EXPRESS:MPO-ANCA相关性肾小球肾炎(表现为肾动脉炎)患儿的临床结果和临床病理相关性。
IF 2.5 4区 医学
Journal of Investigative Medicine Pub Date : 2024-08-01 Epub Date: 2024-05-15 DOI: 10.1177/10815589241248073
Pei Zhang, Shi-Jun Yan, Jian Hu, Hai-Peng Liu, Wei Xia, Meng Yang, Qian-Huining Kuang, Kai-Li Shi, Meng-Zhen Fu, Chun-Lin Gao, Zheng-Kun Xia
{"title":"Clinical outcomes and clinico-pathological correlations in children with MPO-ANCA-associated glomerulonephritis showing renal arteritis.","authors":"Pei Zhang, Shi-Jun Yan, Jian Hu, Hai-Peng Liu, Wei Xia, Meng Yang, Qian-Huining Kuang, Kai-Li Shi, Meng-Zhen Fu, Chun-Lin Gao, Zheng-Kun Xia","doi":"10.1177/10815589241248073","DOIUrl":"10.1177/10815589241248073","url":null,"abstract":"<p><p>The aim of this study was to evaluate the clinical features, pathological characteristics, and prognosis in myeloperoxidase (MPO)-antineutrophil cytoplasmic antibodies (ANCA)-associated glomerulonephritis (AAGN) with renal arteritis. The study involved 97 children from five pediatric clinical centers with MPO-AAGN who exhibited distinct clinical features. The patients were divided into AAGN-A+ and AAGN-A-, based on the presence or absence of arteritis, and the disparities in clinical, histopathological characteristics, and prognosis between the two groups was evaluated. In contrast to the AAGN-A- group, the children in the AAGN-A+ group exhibited more pronounced clinical symptoms and renal pathological injury. Arteritis positively moderately correlated with the serum creatinine, interleukin-6, urinary neutrophil gelatinase-associated lipocalin, negatively moderately correlated with serum complement C3. The renal survival rate in the AAGN-A+ group was significantly poorer than AAGN-A- group (χ<sup>2</sup> = 4.278, p = 0.039). Arteritis showed a good predictive value for end-stage kidney disease (ESKD), and C3 deposition, ANCA renal risk score and arteritis were independent risk factors for the development of ESKD in children with MPO-AAGN. Arteritis is a significant pathological change observed in children with MPO-AAGN, and the formation of arteritis may be related to the inflammatory response and activation of the complement system.</p>","PeriodicalId":16112,"journal":{"name":"Journal of Investigative Medicine","volume":" ","pages":"511-521"},"PeriodicalIF":2.5,"publicationDate":"2024-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140863256","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
Association of statins with nonalcoholic fatty liver disease in patients with diabetes. 快讯他汀类药物与糖尿病患者非酒精性脂肪肝发病和进展的关系。
IF 2.5 4区 医学
Journal of Investigative Medicine Pub Date : 2024-08-01 Epub Date: 2024-05-15 DOI: 10.1177/10815589241248076
Raj Shah, Alexander Kong, Silvio De Melo, Moheb Boktor, Richard Henriquez, Amar Mandalia, Hrishikesh Samant, Carlos A Alvarez, Ishak A Mansi
{"title":"Association of statins with nonalcoholic fatty liver disease in patients with diabetes.","authors":"Raj Shah, Alexander Kong, Silvio De Melo, Moheb Boktor, Richard Henriquez, Amar Mandalia, Hrishikesh Samant, Carlos A Alvarez, Ishak A Mansi","doi":"10.1177/10815589241248076","DOIUrl":"10.1177/10815589241248076","url":null,"abstract":"<p><p>Nonalcoholic fatty liver disease (NAFLD) is the most common cause of chronic liver disease in patients with diabetes; limited data suggested that statins may reduce the risk of NAFLD progression. This study aimed to examine the association between statins and the development or progression of NAFLD in veterans with diabetes. In a new-user negative control design, we conducted a retrospective propensity score (PS)-matched cohort study of patients with diabetes between 2003 and 2015. After excluding patients with other causes of liver disease, we formed PS using 85 characteristics. The primary outcome was a composite NAFLD progression outcome. Primary analysis examined odds of outcome in PS-matched cohort. Post-hoc analysis included a PS-matched cohort of statin users with intensive lowering of low-density lipoprotein-cholesterol (LDL-C) vs low-intensity lowering. We matched 34,102 pairs from 300,739 statin users and 38,038 non-users. The composite outcome occurred in 8.8% of statin users and 8.6% of non-users (odds ratio (OR) 1.02, 95% confidence interval (95% CI) 0.97-1.08). In the post-hoc analysis, intensive lowering of LDL-C compared to low-intensity showed increased NAFLD progression (OR 1.21, 95% CI 1.13-1.30). This study showed that statin use in patients with diabetes was not associated with decreased or increased risk of NAFLD progression. Intensive LDL-C lowering, compared to low-intensity LDL-C lowering, was associated with an increased risk of NAFLD progression.</p>","PeriodicalId":16112,"journal":{"name":"Journal of Investigative Medicine","volume":" ","pages":"497-510"},"PeriodicalIF":2.5,"publicationDate":"2024-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140853222","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
Pro-inflammatory cytokine alterations in recent onset anorexia nervosa adolescent female patients before and after 6 months of integrated therapy: A case-control study. 表达:综合疗法 6 个月前后新发神经性厌食症青少年女性患者促炎细胞因子的变化:一项病例对照研究。
IF 2.5 4区 医学
Journal of Investigative Medicine Pub Date : 2024-08-01 Epub Date: 2024-05-15 DOI: 10.1177/10815589241251702
Alice Di Paolo, Valentina Membrino, Sonila Alia, Laura Nanetti, Lucia Emanuela Svarca, Massimo Leone Perrone, Luca Aquilanti, Laura Mazzanti, Arianna Vignini, Eleonora Salvolini, Michele Severini
{"title":"Pro-inflammatory cytokine alterations in recent onset anorexia nervosa adolescent female patients before and after 6 months of integrated therapy: A case-control study.","authors":"Alice Di Paolo, Valentina Membrino, Sonila Alia, Laura Nanetti, Lucia Emanuela Svarca, Massimo Leone Perrone, Luca Aquilanti, Laura Mazzanti, Arianna Vignini, Eleonora Salvolini, Michele Severini","doi":"10.1177/10815589241251702","DOIUrl":"10.1177/10815589241251702","url":null,"abstract":"<p><p>Anorexia nervosa (AN) is a complex disorder affecting mainly, but not only, teenagers. Researchers agree that AN is deeply associated with a pro-inflammatory state following an impaired immune system, resulting from altered levels of cytokines such as IL-1β and TNF-α, also impacted by the frequent depressive states. Thus, this case-control study aimed to evaluate the relationship between patients suffering from AN undergoing specialized eating disorder treatment for AN and pro-inflammatory cytokines. To reach our purpose, we assessed eating-related psychopathology and depressive symptoms and measured serum concentration of pro-inflammatory cytokines IL-1β, IL-6, IL-8, and TNF-α before and after 6 months of integrated therapy (which included psychopharmacotherapy, psychotherapy, and nutritional treatment), to define whether selected pro-inflammatory cytokines could be considered a pathophysiological marker of the disorder. A sample of 16 young female patients with early diagnosis of AN, and without any previous treatment, and 22 healthy controls matched by age, sex, and socioeconomic status were enrolled. After 6 months of integrated therapy, a significant decrease of all selected pro-inflammatory cytokines was detected. In addition, an improvement in the anxiety-depressant aspects was also noted. In conclusion, the results obtained suggest that pro-inflammatory cytokines are indeed related to the pathophysiology of AN. However, further investigations, involving larger samples of patients with distinct subtypes of AN, are essential to confirm the current findings.</p>","PeriodicalId":16112,"journal":{"name":"Journal of Investigative Medicine","volume":" ","pages":"522-531"},"PeriodicalIF":2.5,"publicationDate":"2024-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140856519","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
Influence of social vulnerability index on Medicare beneficiaries' expenditures upon discharge. 社会脆弱性指数对医疗保险受益人出院时支出的影响。
IF 2.5 4区 医学
Journal of Investigative Medicine Pub Date : 2024-08-01 Epub Date: 2024-05-09 DOI: 10.1177/10815589241247791
Ramzi Ibrahim, Lifeng Lin, Enkhtsogt Sainbayar, Hoang Nhat Pham, Mahek Shahid, Elise Le Cam, Preethi William, Joao Paulo Ferreira, Sadeer Al-Kindi, Mamas A Mamas
{"title":"Influence of social vulnerability index on Medicare beneficiaries' expenditures upon discharge.","authors":"Ramzi Ibrahim, Lifeng Lin, Enkhtsogt Sainbayar, Hoang Nhat Pham, Mahek Shahid, Elise Le Cam, Preethi William, Joao Paulo Ferreira, Sadeer Al-Kindi, Mamas A Mamas","doi":"10.1177/10815589241247791","DOIUrl":"10.1177/10815589241247791","url":null,"abstract":"<p><p>Medicare beneficiaries' healthcare spending varies across geographical regions, influenced by availability of medical resources and institutional efficiency. We aimed to evaluate whether social vulnerability influences healthcare costs among Medicare beneficiaries. Multivariable regression analyses were conducted to determine whether the social vulnerability index (SVI), released by the Centers for Disease Control and Prevention (CDC), was associated with average submitted covered charges, total payment amounts, or total covered days upon hospital discharge among Medicare beneficiaries. We used information from discharged Medicare beneficiaries from hospitals participating in the Inpatient Prospective Payment System. Covariate adjustment included demographic information consisting of age groups, race/ethnicity, and Hierarchical Condition Category risk score. The regressions were performed with weights proportioned to the number of discharges. Average submitted covered charges significantly correlated with SVI (β = 0.50, p < 0.001) in the unadjusted model and remained significant in the covariates-adjusted model (β = 0.25, p = 0.039). The SVI was not significantly associated with the total payment amounts (β = -0.07, p = 0.238) or the total covered days (β = 0.00, p = 0.953) in the adjusted model. Regional variations in Medicare beneficiaries' healthcare spending exist and are influenced by levels of social vulnerability. Further research is warranted to fully comprehend the impact of social determinants on healthcare costs.</p>","PeriodicalId":16112,"journal":{"name":"Journal of Investigative Medicine","volume":" ","pages":"574-578"},"PeriodicalIF":2.5,"publicationDate":"2024-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140849867","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
New molecular approaches to "the first molecular disease". 治疗 "第一种分子疾病 "的新分子方法。
IF 2.5 4区 医学
Journal of Investigative Medicine Pub Date : 2024-08-01 Epub Date: 2024-05-11 DOI: 10.1177/10815589241247971
Robert T Means
{"title":"New molecular approaches to \"the first molecular disease\".","authors":"Robert T Means","doi":"10.1177/10815589241247971","DOIUrl":"10.1177/10815589241247971","url":null,"abstract":"","PeriodicalId":16112,"journal":{"name":"Journal of Investigative Medicine","volume":" ","pages":"495-496"},"PeriodicalIF":2.5,"publicationDate":"2024-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140908919","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
Fluoxetine, fluvoxamine, and hearing loss or tinnitus after cisplatin treatment: A retrospective cohort study. 氟西汀、氟伏沙明与顺铂治疗后的听力损失或耳鸣:一项回顾性队列研究。
IF 2.5 4区 医学
Journal of Investigative Medicine Pub Date : 2024-08-01 Epub Date: 2024-04-30 DOI: 10.1177/10815589241247796
Joseph Magagnoli, Tammy H Cummings, James W Hardin, S Scott Sutton, Jayakrishna Ambati
{"title":"Fluoxetine, fluvoxamine, and hearing loss or tinnitus after cisplatin treatment: A retrospective cohort study.","authors":"Joseph Magagnoli, Tammy H Cummings, James W Hardin, S Scott Sutton, Jayakrishna Ambati","doi":"10.1177/10815589241247796","DOIUrl":"10.1177/10815589241247796","url":null,"abstract":"<p><p>Cisplatin use is often limited by its ototoxic side effects, which can lead to irreversible hearing loss. Preventing cisplatin-induced ototoxicity is crucial to improve patient outcomes. Fluoxetine and fluvoxamine, both selective serotonin reuptake inhibitors antidepressants, inhibit the NLR pyrin domain-containing protein 3 inflammasome, a potential therapeutic target for preventing ototoxicity. However, human studies have not evaluated if these antidepressants may protect against cisplatin-induced ototoxicity. The object of this study is to assess the association between fluoxetine or fluvoxamine use and incidence of hearing loss or tinnitus in a large cohort of patients receiving cisplatin chemotherapy. We use a retrospective cohort study within the U.S. Department of Veterans Affairs healthcare system. Adult patients with cancer who received cisplatin chemotherapy between 2000 and 2023 are included. Incidence of ototoxicity, defined by international classification of diseases revision 9-CM or international classification of diseases revision 10-CM diagnoses of hearing loss or tinnitus is compared between concurrent use of fluoxetine or fluvoxamine and cisplatin alone. A total of 20,552 patients were included. Of those, 489 received cisplatin and fluoxetine or fluvoxamine. After propensity score adjustment, the hazard of ototoxicity was lower in the group receiving fluoxetine or fluvoxamine compared to the group receiving cisplatin alone (HR = 0.62, 95% CI = (0.41-0.94)). Fluoxetine or fluvoxamine use may be associated with a reduced risk of cisplatin-induced ototoxicity. Randomized clinical trials are needed to confirm these findings and establish the efficacy of the medications in ototoxicity prevention. Further research is also warranted to investigate the potential mechanisms underlying this protective effect.</p>","PeriodicalId":16112,"journal":{"name":"Journal of Investigative Medicine","volume":" ","pages":"579-586"},"PeriodicalIF":2.5,"publicationDate":"2024-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140848979","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
Inhaled corticosteroids on mortality in COVID-19: A systematic review and meta-analysis of randomized controlled trials. 吸入皮质类固醇对 COVID-19 死亡率的影响:随机对照试验的系统回顾和荟萃分析。
IF 2.5 4区 医学
Journal of Investigative Medicine Pub Date : 2024-08-01 Epub Date: 2024-05-15 DOI: 10.1177/10815589241249997
Fen Yang, Guizuo Wang, Dong Han
{"title":"Inhaled corticosteroids on mortality in COVID-19: A systematic review and meta-analysis of randomized controlled trials.","authors":"Fen Yang, Guizuo Wang, Dong Han","doi":"10.1177/10815589241249997","DOIUrl":"10.1177/10815589241249997","url":null,"abstract":"<p><p>This systematic review and meta-analysis aimed to determine the efficacy of inhaled corticosteroids (ICS) on mortality in patients with coronavirus disease-2019 (COVID-19). A systematic search was made of PubMed, Embase, Cochrane Library, and clinicaltrials.gov, without language restrictions. Randomized controlled trials (RCTs) on the treatment of COVID-19 with ICS were reviewed. Studies were pooled to risk ratios (RRs), with 95% confidence intervals (CIs). Eleven RCTs (enrolling 5832 participants) met the inclusion criteria. There was no statistically significant difference in COVID-19-related death (RR 0.88, 95% CI 0.38-2.04), all-cause death (RR 1.05, 95% CI 0.49-2.23), and invasive ventilation (RR 1.26, 95% CI 0.60-2.62) between the two groups. ICS was not associated with reduced mortality and invasive ventilation in patients with COVID-19.</p>","PeriodicalId":16112,"journal":{"name":"Journal of Investigative Medicine","volume":" ","pages":"567-573"},"PeriodicalIF":2.5,"publicationDate":"2024-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140922426","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
Strengthening research capacity of early-mid career researchers: Implementation and evaluation of the Excellence in Non-COmmunicable disease REsearch (ENCORE) program. EXPRESS:加强中早期研究人员的研究能力:非传染性研究卓越计划(ENCORE)的实施与评估。
IF 2.5 4区 医学
Journal of Investigative Medicine Pub Date : 2024-06-01 Epub Date: 2024-03-19 DOI: 10.1177/10815589241236156
Nitin Kapoor, Tilahun Haregu, Kavita Singh, Anu Mary Oommen, Jennifer Audsley, Priti Gupta, Smitha Jasper, G K Mini, Sathish Thirunavukkarasu, Brian Oldenburg
{"title":"Strengthening research capacity of early-mid career researchers: Implementation and evaluation of the Excellence in Non-COmmunicable disease REsearch (ENCORE) program.","authors":"Nitin Kapoor, Tilahun Haregu, Kavita Singh, Anu Mary Oommen, Jennifer Audsley, Priti Gupta, Smitha Jasper, G K Mini, Sathish Thirunavukkarasu, Brian Oldenburg","doi":"10.1177/10815589241236156","DOIUrl":"10.1177/10815589241236156","url":null,"abstract":"<p><p>High-quality training and networking are pivotal for enhancing the research capacity of early- to mid-career researchers in the prevention and control of non-communicable diseases. Beyond building research skills, these professionals gain valuable insights from interdisciplinary mentorship, networking opportunities, and exposure to diverse cultures and health systems. Despite the significance of such initiatives, their implementation remains underexplored. Here, we describe the implementation and evaluation of the Excellence in Non-COommunicable disease REsearch (ENCORE) program, a collaborative initiative between Australia and India that was launched in 2016 and spanned a duration of 3 years. Led by a consortium that included the University of Melbourne and leading Indian research and medical institutions, ENCORE involved 15 faculty members and 20 early-mid career researchers. The program comprised various elements, including face-to-face forums, masterclasses, webinars, a health-technology conference, and roundtable events. ENCORE successfully trained the early-career researchers, resulting in over 30 peer-reviewed articles, 36 conference presentations, and the submission of seven grant applications, three of which received funding. Beyond individual achievements, ENCORE fostered robust research collaboration between Australian and Indian institutions, showcasing its broader impact on strengthening research capacities across borders.</p>","PeriodicalId":16112,"journal":{"name":"Journal of Investigative Medicine","volume":" ","pages":"475-486"},"PeriodicalIF":2.5,"publicationDate":"2024-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139912770","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
YAP1-induced RBM24 promotes the tumorigenesis of triple-negative breast cancer through the β-catenin pathway. 表达:YAP1诱导的RBM24通过β-catenin通路促进三阴性乳腺癌的肿瘤发生。
IF 2.5 4区 医学
Journal of Investigative Medicine Pub Date : 2024-06-01 Epub Date: 2024-03-22 DOI: 10.1177/10815589241239577
Xiaohua Chen, Xiao Lin, Xiaodong Xia, Xiao Xiang
{"title":"YAP1-induced RBM24 promotes the tumorigenesis of triple-negative breast cancer through the β-catenin pathway.","authors":"Xiaohua Chen, Xiao Lin, Xiaodong Xia, Xiao Xiang","doi":"10.1177/10815589241239577","DOIUrl":"10.1177/10815589241239577","url":null,"abstract":"<p><p>Triple-negative breast cancer (TNBC) is the most aggressive breast cancer subtype and refractory to current treatments. RBM24 is an RNA-binding protein and shows the ability to regulate tumor progression in multiple cancer types. However, its role in TNBC is still unclear. In this study, we analyzed publicly available profiling data from TNBC tissues and cells. Loss- and gain-of-function experiments were performed to determine the function of RBM24 in TNBC cells. The mechanism for RBM24 action in TNBC was investigated. RBM24 was deregulated in TNBC tissues and TNBC cells with depletion of <i>SIPA1</i>, <i>YAP1</i>, or <i>ARID1A</i>, three key regulators of TNBC. Compared to MCF10A breast epithelial cells, TNBC cells had higher levels of RBM24. Knockdown of RBM24 inhibited TNBC cell proliferation, colony formation, and tumorigenesis, while overexpression of RBM24 promoted aggressive phenotype in TNBC cells. YAP1 overexpression induced the expression of RBM24 and the <i>RBM24</i> promoter-driven luciferase reporter. YAP1 was enriched at the promoter region of <i>RBM24</i>. Overexpression of RBM24 increased β-catenin-dependent transcriptional activity. Most importantly, knockdown of CTNNB1 rescued RBM24 aggressive phenotype in TNBC cells. Collectively, the YAP1/RBM24/β-catenin axis plays a critical role in driving TNBC progression. RBM24 may represent a novel therapeutic target for TNBC treatment.</p>","PeriodicalId":16112,"journal":{"name":"Journal of Investigative Medicine","volume":" ","pages":"403-413"},"PeriodicalIF":2.5,"publicationDate":"2024-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140028168","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
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