Reghann G LaFrance-Corey, Haidara Kherbek, Nimalan Harinesan, Margherita Milone, Naveen K Paramasivan, Pallab Sarker, Andrew M Knight, Carley Karsten, Surendra Dasari, Teerin Liewluck, William J Litchy, Sean J Pittock, John R Mills, Divyanshu Dubey
{"title":"High-Throughput Immunoassays for Cavin-4 IgG: A Diagnostic Tool for Immune-Mediated Rippling Muscle Disease.","authors":"Reghann G LaFrance-Corey, Haidara Kherbek, Nimalan Harinesan, Margherita Milone, Naveen K Paramasivan, Pallab Sarker, Andrew M Knight, Carley Karsten, Surendra Dasari, Teerin Liewluck, William J Litchy, Sean J Pittock, John R Mills, Divyanshu Dubey","doi":"10.1002/acn3.70012","DOIUrl":null,"url":null,"abstract":"<p><p>Cavin-4 was identified as a potential autoantigen for immune-mediated rippling muscle disease (iRMD). To validate this, we developed and tested various immunoassays, including a cell-based assay (CBA), cavin-4 recombinant protein ELISA, and multi-peptide ELISA. Among 19 iRMD patients, all exhibited muscle rippling, and 13 had percussion-induced mounding. All immunoassays demonstrated clinical and analytical specificities greater than 95%. The protein ELISA had the highest sensitivity (94.7%) and specificity (99.9%), outperforming CBA (sensitivity 89.5%, specificity 99.6%) and the multi-peptide ELISA (sensitivity 79.0%, specificity 97.2%). Our results suggest that the cavin-4 protein ELISA is a promising tool for high-throughput clinical testing in iRMD.</p>","PeriodicalId":126,"journal":{"name":"Annals of Clinical and Translational Neurology","volume":" ","pages":""},"PeriodicalIF":4.4000,"publicationDate":"2025-02-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Annals of Clinical and Translational Neurology","FirstCategoryId":"3","ListUrlMain":"https://doi.org/10.1002/acn3.70012","RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"CLINICAL NEUROLOGY","Score":null,"Total":0}
引用次数: 0
Abstract
Cavin-4 was identified as a potential autoantigen for immune-mediated rippling muscle disease (iRMD). To validate this, we developed and tested various immunoassays, including a cell-based assay (CBA), cavin-4 recombinant protein ELISA, and multi-peptide ELISA. Among 19 iRMD patients, all exhibited muscle rippling, and 13 had percussion-induced mounding. All immunoassays demonstrated clinical and analytical specificities greater than 95%. The protein ELISA had the highest sensitivity (94.7%) and specificity (99.9%), outperforming CBA (sensitivity 89.5%, specificity 99.6%) and the multi-peptide ELISA (sensitivity 79.0%, specificity 97.2%). Our results suggest that the cavin-4 protein ELISA is a promising tool for high-throughput clinical testing in iRMD.
期刊介绍:
Annals of Clinical and Translational Neurology is a peer-reviewed journal for rapid dissemination of high-quality research related to all areas of neurology. The journal publishes original research and scholarly reviews focused on the mechanisms and treatments of diseases of the nervous system; high-impact topics in neurologic education; and other topics of interest to the clinical neuroscience community.