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Effects of exercise training during infusion on late-onset Pompe disease patients receiving enzyme replacement therapy.
MedLine Citation:
PMID:  23146291     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Pompe disease is an autosomal recessive disorder caused by the deficiency of acid α-glucosidase resulting in lysosomal accumulation of glycogen and abnormal autophagic function. The late-onset form of the disease is characterized by progressive skeletal and respiratory muscle dysfunction. Enzyme replacement therapy (ERT, Genzyme Corporation, Cambridge, MA, USA) was recently introduced and resulted in significant prolongation of the life expectancy of the patients with the infantile form while the results were less significant for the late-onset form. It has been postulated that the weak influence of ERT in late-onset patients might be due to a non-effective delivery of the recombinant enzyme to the skeletal muscles perhaps due to the relatively low blood flow to the resting skeletal muscles during infusion. Exercise training acutely increases the blood flow to the exercising muscles. Thus, it was hypothesized that exercise training during enzyme infusion might increase the effectiveness of the ERT therapy. Five late-onset Pompe disease patients receiving ERT and following regular exercise training for approximately 10months, followed a 6-month period of exercise training during infusion of the recombinant enzyme. Before and after this period, body composition, isometric strength and 6minute walking distance were determined. Analysis of the results revealed that none of these parameters changed significantly after the 6-month intervention period (e.g. 6minute walking distance before: 532±31m, vs. after: 527±29m, P=0.246). These results suggest that exercise training during infusion may not add significant functional changes in late-onset Pompe patients receiving ERT and undergoing regular exercise training.
Authors:
Gerasimos Terzis; Argyro Krase; Giorgos Papadimas; Constantinos Papadopoulos; Stavros A Kavouras; Panagiota Manta
Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-10-24
Journal Detail:
Title:  Molecular genetics and metabolism     Volume:  -     ISSN:  1096-7206     ISO Abbreviation:  Mol. Genet. Metab.     Publication Date:  2012 Oct 
Date Detail:
Created Date:  2012-11-13     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9805456     Medline TA:  Mol Genet Metab     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2012 Elsevier Inc. All rights reserved.
Affiliation:
1st Department of Neurology, School of Medicine, University of Athens, Eginition Hospital, Greece; Athletics Laboratory, School of Physical Education and Sport Science, University of Athens, Greece. Electronic address: gterzis@phed.uoa.gr.
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