Mechanistic implications of altered protein expression in rheumatic heart disease
Heart Failure Reviews, ISSN: 1573-7322, Vol: 27, Issue: 1, Page: 357-368
2022
- 9Citations
- 37Captures
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Metrics Details
- Citations9
- Citation Indexes9
- CrossRef1
- Captures37
- Readers37
- 37
Review Description
Rheumatic heart disease (RHD) is a major cause of cardiovascular morbidity and mortality in low- and middle-income countries, where living conditions promote spread of group A β-haemolytic streptococcus. Autoimmune reactions due to molecular mimicry of bacterial epitopes by host proteins cause acute rheumatic fever (ARF) and subsequent disease progression to RHD. Despite knowledge of the factors that predispose to ARF and RHD, determinants of the progression to valvular damage and the molecular events involved remain incompletely characterised. This review focuses on altered protein expression in heart valves, myocardial tissue and plasma of patients with RHD and pathogenic consequences on RHD. Proteins mainly involved in structural organization of the valve matrix, blood homeostasis and immune response were altered due to RHD pathogenesis. Study of secreted forms of these proteins may aid the development of non-invasive biomarkers for early diagnosis and monitoring outcomes in RHD. Valve replacement surgery, the single evidence-based strategy to improve outcomes in severe RHD, is costly, largely unavailable in low- and middle-income countries (LMIC) and requires specialised facilities. When diagnosed early, penicillin prophylaxis may be used to delay progression to severe valvular damage. Echocardiography and cardiovascular magnetic resonance and the standard imaging tools recommended to confirm early diagnosis remain largely unavailable and inaccessible in most LMIC and both require expensive equipment and highly skilled persons for manipulation as well as interpretation of results. Changes in protein expression in heart valves and myocardium are associated with progressive valvular deformation in RHD. Understanding these protein changes should shed more light on the mechanisms of pathogenicity, while secreted forms of these proteins may provide leads towards a biomarker for non-invasive early detection of RHD.
Bibliographic Details
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=85087841585&origin=inward; http://dx.doi.org/10.1007/s10741-020-09993-1; http://www.ncbi.nlm.nih.gov/pubmed/32653980; https://link.springer.com/10.1007/s10741-020-09993-1; https://dx.doi.org/10.1007/s10741-020-09993-1; https://link.springer.com/article/10.1007/s10741-020-09993-1
Springer Science and Business Media LLC
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