First Author | Togawa T | Year | 2010 |
Journal | Biochem Biophys Res Commun | Volume | 399 |
Issue | 4 | Pages | 716-20 |
PubMed ID | 20692233 | Mgi Jnum | J:164895 |
Mgi Id | MGI:4835601 | Doi | 10.1016/j.bbrc.2010.08.006 |
Citation | Togawa T, et al. (2010) Tissue and plasma globotriaosylsphingosine could be a biomarker for assessing enzyme replacement therapy for Fabry disease. Biochem Biophys Res Commun 399(4):716-20 |
abstractText | Fabry disease is a genetic disease caused by a deficiency of alpha-galactosidase A (GLA), which leads to systemic accumulation of glycolipids, predominantly globotriaosylceramide (Gb3). With the introduction and spread of enzyme replacement therapy (ERT) with recombinant GLAs for this disease, a useful biomarker for assessing the response to ERT is strongly required. We measured the tissue level of lyso-globotriaosylsphingosine (lyso-Gb3) in Fabry mice by means of high performance liquid chromatography, and compared it with the Gb3 level. The results revealed a marked increase in the lyso-Gb3 level in most tissues of Fabry mice, and which decreased after the administration of a recombinant GLA as in the case of Gb3, which is usually used as a biomarker of Fabry disease. The response was more impressive for lyso-Gb3 compared with for Gb3, especially in kidney tissues, in which a defect significantly influences the morbidity and mortality in patients with this disease. The plasma level of lyso-Gb3 also decreased after the injection of the enzyme, and it was well related to the degradation of tissue lyso-Gb3. Thus, lyso-Gb3 is expected to be a useful new biomarker for assessing the response to ERT for Fabry disease. |