MECHANISMS OF PATHOLOGY AND NEW THERAPEUTIC OPTIONS FOR GAUCHER DISEASE AND OTHER LIPIDOSES

Funding Activity

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Funded Activity Summary

The sphingolipidoses are a subgroup of the more than 45 genetic disorders known collectively as lysosomal storage disorders (LSD). As a result of the deficiency of specific enzymes or proteins involved in the breakdown of sphingolipids (fats), there is an accumulation of this material in affected cells. These diseases can affect liver, spleen, kidney, bone and the central nervous system. Gaucher disease is the prototype for the sphingolipidoses and, in this project, we will use this disease as a model for this group of disorders. Gaucher disease in the most prevalent LSD with an incidence of 1:56,00 births, worldwide there are approximately 2300 affected individuals born each year. Enzyme replacement therapy (ERT) for Gaucher disease has been successful in the treatment of the non-neuropathic form of the disease. However ERT is expensive ($200,000-400,000 pa). There are approximately 50 Australian patients undergoing ERT at a cost of at least $10 million per annum. However, due to the high cost of treatment, many people do not qualify for ERT, despite having serious medical problems. Worldwide, there are approximately 4000 people currently receiving ERT for Gaucher disease at a total drug cost of over $1.0 billion pa. However, based on birth rates and life expectancies there are over 80,000 Gaucher patients in the world. With the current cost of ERT it is likely that over 90% of these will never receive ERT. If therapy is to be made available for the majority of affected individuals, cheaper alternatives will be required. In this project we will use cellular models of Gaucher disease to study the processes leading to the disease and to develop alternative, cheaper therapies for this disease and other types of sphingolipidoses, for which no therapies currently exist.

Funded Activity Details

Start Date: 01-01-2005

End Date: 01-01-2007

Funding Scheme: NHMRC Project Grants

Funding Amount: $439,500.00

Funder: National Health and Medical Research Council

Research Topics

ANZSRC Field of Research (FoR)

Cell Metabolism

ANZSRC Socio-Economic Objective (SEO)

There are no SEO codes available for this funding activity

Other Keywords

Gaucher disease | lipid metabolism | lysosomal storage disease | lysosome biology | mass spectrometry | metabolic profiling | pathogenic mechanisms | therapeutic effects