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Lysosomal Storage Diseases.

Abstract：

:Lysosomal storage disorders (LSDs), over 40 different diseases, are now considered treatable disorders. Only a few short years ago, Lysosomal storage disorders were seen as interesting neurodegenerative disorders without any potential for treatment. Effective treatment strategies such as bone marrow transplantation (BMT), enzyme replacement therapy (ERT), and glycolipid synthesis inhibition have been developed in the last 20 years and continue to be researched and evaluated. Bone marrow transplantation began approximately 15 years ago and has shown benefit for some of the lysosomal storage disorders. In order to be effective, the transplant must be performed early in the course of the disease, before the development of irreversible neurologic damage. Diseases such as Hurler appear to respond to BMT, however, improvement in bone disease is much less vigorous than responses in other organs. Krabbe disease responds if the transplant is performed before irreversible signs of neurologic damage appear. Metachromatic leukodystrophy may respond if the transplant can be performed early enough although peripheral nerve findings appear to progress. Other diseases, eg, GM1- and GM2-gangliosidoses do not appear to be altered by BMT. Despite its high cost, ERT has been very effective treatment for type I (non-neuronopathic) Gaucher disease. Enzyme replacement therapy for other LSDs, including ERT for Fabry and Pompe diseases, which are planned to be imminently introduced, and other enzymes such as for Morquio and Hunter diseases that are in the study phases, may be marketed in the very near future. Glycolipid inhibitors, such as N-butyldeoxynijirimycin (OGS-918), have been effective in reducing the liver and spleen volume in type I Gaucher disease. These oral inhibitors may prove to be important adjuncts to ERT and provide the advantage of being able to cross the blood/brain barrier, which limits enzyme access to brain. Currently, clinical studies are being conducted on patients with type III Gaucher disease and Fabry disease using OGS-918. Other, potentially more specific, glycolipid inhibitors are being developed.

journal_name

Curr Treat Options Neurol

journal_title

Current treatment options in neurology

authors

Kaye EM

doi

10.1007/s11940-001-0006-9

subject

Has Abstract

pub_date

2001-05-01 00:00:00

pages

249-256

issue

eissn

1092-8480

issn

1534-3138

journal_volume

pub_type

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Lysosomal Storage Diseases.