Gaucher disease. Gaucher disease is a rare lysosomal autosomal recessive disease, caused by a deficiency of glucocerebrosidase, a lysosomal enzyme. The most frequent symptoms are cytopenia, splenomegaly, hepatomegaly, and potentially severe bone involvement (bone infarcts, avascular osteonecrosis, and pathological fractures). Neurological involvement may occur in type 2 and type 3 Gaucher disease. Patients with type 1 Gaucher disease have an increased risk of Parkinson disease, some solid cancers, and some hematologic malignancies including multiple myeloma. Patients often experience delays before their disease is being diagnosed. Thus, there is a need for physicians to recognize Gaucher disease symptoms to reduce the risk of irreversible complications.
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Unifying biology of neurodegeneration in lysosomal storage diseases.
J Inherit Metab Dis
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Department of Life Sciences, Manchester Metropolitan University, Manchester, UK.
There are currently at least 70 characterised lysosomal storage diseases (LSD) resultant from inherited single-gene defects. Of these, at least 30 present with central nervous system (CNS) neurodegeneration and overlapping aetiology. Substrate accumulation and dysfunctional neuronal lysosomes are common denominator, but how variants in 30 different genes converge on this central cellular phenotype is unclear.
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Center for Orphan Drug Research, Department of Experimental and Clinical Pharmacology, College of Pharmacy, University of Minnesota, Minneapolis, MN, United States. Electronic address:
Gaucher disease (GD) is a rare lysosomal disorder characterized by the accumulation of glycosphingolipids in macrophages resulting from glucocerebrosidase (GCase) deficiency. The accumulation of toxic substrates, which causes the hallmark symptoms of GD, is dependent on the extent of enzyme dysfunction. Accordingly, three distinct subtypes have been recognized, with type 1 GD (GD1) as the common and milder form, while types 2 (GD2) and 3 (GD3) are categorized as neuronopathic and severe.
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Dipartimento di Scienze Cliniche e di Comunità, Dipartimento di Eccellenza 2023-2027, University of Milan, Milan, Italy.
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Gain Therapeutics Sucursal en España, Parc Científic de Barcelona, 08028 Barcelona, Spain.
Mutations in the gene, which encodes the lysosomal enzyme glucocerebrosidase (GCase), are associated with Gaucher disease and increased risk of Parkinson's disease. This study describes the discovery and characterization of novel allosteric pharmacological chaperones for GCase through an innovative computational approach combined with experimental validation. Utilizing virtual screening and structure-activity relationship optimization, researchers identified several compounds that significantly enhance GCase activity and stability across various cellular models, including patient-derived fibroblasts and neuronal cells harboring mutations.
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