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A REVIEW ON LYSOSOMAL STORAGE DISORDERS
Dr. K. N. S. V. Lakshmi*, A. Ankarao and A. Seetha Devi
ABSTRACT Lysosomal storage diseases are a group of rare, inborn, metabolic errors characterized by deficiencies in normal lysosomal function and by intralysosomal accumulation of undegraded substrates. Classically, lysosomal storage diseases encompassed only enzyme deficiencies of the lysosomal hydrolases. More recently, the concept of lysosomal storage disease has been expanded to include deficiencies or defects in proteins necessary for the normal post-translational modification of lysosomal enzymes (which themselves are often glycoproteins), activator proteins, or proteins important for proper intracellular trafficking between the lysosome and other intracellular compartments. The past 25 years have been characterized by remarkable progress in the treatment of these diseases and by the development of multiple therapeutic approaches. These approaches include strategies aimed at increasing the residual activity of a missing enzyme (enzyme replacement therapy, hematopoietic stem cell transplantation, pharmacological chaperone therapy and gene therapy) and approaches based on reducing the flux of substrates to lysosomes. Keywords: Lysosomal, intralysosomal. [Download Article] [Download Certifiate] |