Biomarkers and Cardiac Imaging Diagnostic Assay for Monitoring Patients With Fabry Disease

Fabry disease (FD) is a rare X-linked lysosomal storage disorder caused by deficient activity of the enzyme α-Gal A resulting from mutations affecting the GLA gene. It is characterized by severe multi-systemic involvement that leads to major organ failure and premature death in affected men and in some women. The α-Gal A deficiency results in progressive accumulation of un-degraded glycosphingolipids, predominantly globotriaosylceramide (Gb3), within cell lysosomes throughout the body.1 In patients at the fourth to fifth decade, left ventricular hypertrophy occur usually, and myocardial infarction and heart failure develops disease progress. Life-threatening renal, cardiac, and cerebrovascular diseases are added in later decades.2,3 Fabry disease is treatable with enzyme replacement therapy (ERT). Early recognition of symptoms and diagnosis of patients at a potentially reversible stage of the disease is therefore important. To date, plasma Lyso-Gb3 is useful in the diagnosis of Fabry disease. All male with classical Fabry disease could be discerned by an elevated plasma Lyso-GL-3; All adult female patients have elevated plasma Lyso-GL-3 above normal range.4 Other study also indicated that higher lyso-Gb3 concentrations at first visit were associated with a higher event rate in the past. Men with classical FD have higher Lyso-GL-3 values compared with patients with non-classical FD and women along with an increased risk of developing complications, more severe cardiac and r…

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Charles Jia-Yin Hou  ·  +886905960500  ·  jiayinhou@gmail.com

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