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Current Pharmaceutical Biotechnology

Editor-in-Chief

ISSN (Print): 1389-2010
ISSN (Online): 1873-4316

Substrate Reduction Therapies for Mucopolysaccharidoses

Author(s): Joanna Jakobkiewicz-Banecka, Ewa Piotrowska, Magdalena Gabig-Ciminska, Elzbieta Borysiewicz, Monika Slominska-Wojewodzka, Magdalena Narajczyk, Alicja Wegrzyn and Grzegorz Wegrzyn

Volume 12, Issue 11, 2011

Page: [1860 - 1865] Pages: 6

DOI: 10.2174/138920111798376932

Price: $65

Abstract

Mucopolysaccharidoses (MPS) are inherited metabolic disorders, caused by mutations leading to dysfunction of one of enzymes involved in degradation of glycosaminoglycans (GAGs) in lysosomes. Due to their impaired degradation, GAGs accumulate in cells of patients, which results in dysfunction of tissues and organs, including the heart, respiratory system, bones, joints and central nervous system. Depending on the kind of deficient enzyme, 11 types and subtypes of MPS are currently recognized. Although enzyme replacement therapy has been developed for 3 types of MPS (types I, II and VI), this treatment was found to be effective only in management of somatic symptoms. Since all MPS types except IVA, IVB and VI are characterized by various problems with functioning of the central nervous system (CNS), a search for effective treatment of this system is highly desirable. Recent discoveries suggested that substrate reduction therapy may be an efficient method for treatment of MPS patients, including their CNS. In this review, different variants of this therapy will be discussed in the light of recently published reports.

Keywords: mucopolysaccharidoses, lysosomal storage diseases, substrate reduction therapy, gene expression-targeted isoflavone therapy, siRNA, shRNA, glycosaminoglycans (GAGs), large biomolecules, central nervous system (CNS), neurodegenerative diseases, genetic disorders, symptomatic treatment of patients, Sanfilippo disease, hematopoietic stem cells', untreated animals, cognitive functions


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