Biomarkers in anderson-Fabry disease: what should we use in the clinical practice?
Patrício Aguiar
Rare Disease and Orphan Drugs Journal ›› 2024, Vol. 3 ›› Issue (2) : 13
Major organ involvement in Anderson-Fabry disease (FD) is clinically silent for a long period and clinically heterogeneous; thus, it is difficult to identify the patients at increasing risk of a progressive disorder. Moreover, accumulating evidence suggests that early disease-specific treatment (DST) is safe and effective in preventing the progression of heart and kidney damage, with poorer results in patients with extensive myocardial fibrosis, advanced glomerulosclerosis, and/or heavy proteinuria. Therefore, biomarkers defining preclinical involvement, with a prognostic value and a correlation with response to treatment, are an urgent need in FD. Several types of biomarkers are recognized in FD, pertaining to total disease burden and specific organ involvement (central nervous system, heart, and kidney). Currently, plasma globotriaosylsphingosine (lyso-Gb3), cardiac and brain imaging, and albuminuria are recognized as the “gold standard” biomarkers of total disease burden or specific organ involvement in FD. However, severe globotriaosylceramide (Gb3) storage and organ damage may occur within the affected organs with minimal changes in these standard tests. Given the heterogeneity and rarity of the disease, the identification of new biomarkers is challenging. Several ways may be used to identify new biomarkers in FD, namely “omic” medicine, biomarkers identified in other pathological models similar to FD, and biomarkers linked to the pathophysiological pathways involved in FD. This article aims to review the clinical value of the available biomarkers in FD and give an overview of the research on new biomarkers.
Anderson-Fabry disease / biomarkers / lyso-Gb3 / cardiac imaging / albuminuria
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