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ORIGINAL ARTICLE
Year : 2021  |  Volume : 3  |  Issue : 1  |  Page : 20-28

Identification of altered serum proteins in rheumatic heart diseases through mitral stenosis and the potential clinical implications


1 Department of Biochemistry, Molecular Cardiology Unit, Centre for Excellence in Genomic Sciences, School of Biological Sciences, Madurai Kamaraj University, Madurai, Tamil Nadu, India
2 Dean Madurai Medical College & Govt Rajaji Hospital, Madurai, Tamil Nadu, India

Correspondence Address:
Govindan Sadasivam Selvam
Department of Biochemistry, Molecular Cardiology Unit, Center for Excellence in Genomic Sciences, School of Biological Sciences, Madurai Kamaraj University, Madurai - 625 021, Tamil Nadu
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/ACCJ.ACCJ_42_20

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Background: Rheumatic heart disease (RHD) results from group A beta-hemolytic streptococcal pharyngeal infection is an autoimmune sequela of acute or recurrent episodes of acute rheumatic fever (ARF). This study is focused on identifying heart tissue-specific proteins implicated in the secondary immunopathogenesis of RHD. Methods: Sera from 49 RHD patients and 32 controls were probed in 2DE to study the differential expression of proteins. After 2DE, the spots were analyzed and identified using ESI-MS. A total of 1082 protein spots were detected in RHD patients and controls. Results: Two protein spots were significantly down-regulated (p≤0.01) and 34 protein spots were significantly up-regulated (p≤0.01) compared to controls. The differentially expressed protein spots were trypsin-digested and identified as hyaluronan-mediated motility receptor (RHAMM), troponin 1, janus kinase and microtubule interacting protein 1 (Jakmip 1), nuclear ubiquitous casein and cyclin-dependent kinase substrate 1, basal body-orientation factor 1 and muscle-related coiled-coil protein. A positive correlation was established with the up-regulated and down-regulated expression of these proteins suggests them as potential biomarker for RHD. Conclusion: This study highlights rheumatic mitral stenosis and regurgitation, an active inflammatory process and provides novel information about the proteins thereby elaborates the knowledge of physiology and etiology of this disease.


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