PubMed · 7569961
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R D Simoni. 1995-10-13. Electronic publishing.. https://pubmed.ncbi.nlm.nih.gov/7569961/
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The molecular heterogeneities of enzyme abnormality have been identified successfully since 1990 for major clinical entities of glycogenolytic and glycolytic defects in skeletal muscle. The interchange between clinical medicine and basic science, which enabled these achievements, has a long history. This review introduces several important examples of this interchange, which has borne much fruit in the comprehensive understanding of glycogenolysis-glycolysis in skeletal muscle and the related defects that cause various metabolic diseases. For instance, the presence of "glycogen synthase" was mainly suggested by the pathophysiology of McArdle's disease. Clinical manifestations of muscle phosphofructokinase (PFK) deficiency have indicated that there could be PFK isozymes under separate genetic control. Although glycolysis is a unidirectional pathway, enzyme defects at each step do not necessarily cause similar manifestations. Glycogen accumulation is mostly associated with enzyme defects in glycogenolysis and in the first stage of glycolysis. Since the original report of phosphoglycerate mutase deficiency in 1981, no newly recognized glycolytic defects have been presented. Glycolytic steps for which no enzyme deficiency has been identified seem to provide another important impetus for further study of "fail-safe" mechanisms in regard to monogenic disorders.
The analysis of biochemical processes can be supported using methods of modelling and simulation. New methods of computer science are discussed in this field of research. This paper presents a new method which allows the modelling and analysis of complex metabolic networks. Moreover, our simulation shell is based on this formalization and represents the first tool for the interactive simulation of metabolic processes.