Biomaterial Database

Glycogenosis type I (glucose 6-phosphatase deficiency): I. Ultrastructural morphometric analysis of juvenile liver cells. 1980

U N Riede, and M A Spycher, and R Gitzelmann

The essential biochemical characteristic of von Gierke's disease is an inborn glucose-6-phosphatase deficiency and glycogen storage in the liver and kidney. This expresses itself morphometrically as an increased volume of glycogen per unit volume of the hepatocellular cytoplasm. Since glucose-6-phosphatase activity in patients studied is practically at the zero level, and the endoplasmic reticulum loses a large part of its membrane values, we conclude that the remaining endoplasmic reticulum represents glucose-6-phosphatase free membranes. A typical structural feature of the endoplasmic reticulum in von Gieke's disease is the appearance of "double contoured vesicles" (= pockets). These vesicles comprise approximately 3,5% of the total membrane system. The mitochondria play an important role in glycolysis and glycogen synthesis. It is thus to be expected that these organelles change in terms of their morphometric parameters in the course of glycogenosis type I. An important point in this direction is numerical mitochondrion reduction in combination with an unchanged mitochondrial volume.

UI	MeSH Term	Description	Entries
D007223	Infant	A child between 1 and 23 months of age.	Infants
D007668	Kidney	Body organ that filters blood for the secretion of URINE and that regulates ion concentrations.	Kidneys
D008099	Liver	A large lobed glandular organ in the abdomen of vertebrates that is responsible for detoxification, metabolism, synthesis and storage of various substances.	Livers
D008297	Male		Males
D008930	Mitochondria, Liver	Mitochondria in hepatocytes. As in all mitochondria, there are an outer membrane and an inner membrane, together creating two separate mitochondrial compartments: the internal matrix space and a much narrower intermembrane space. In the liver mitochondrion, an estimated 67% of the total mitochondrial proteins is located in the matrix. (From Alberts et al., Molecular Biology of the Cell, 2d ed, p343-4)	Liver Mitochondria,Liver Mitochondrion,Mitochondrion, Liver
D002675	Child, Preschool	A child between the ages of 2 and 5.	Children, Preschool,Preschool Child,Preschool Children
D004721	Endoplasmic Reticulum	A system of cisternae in the CYTOPLASM of many cells. In places the endoplasmic reticulum is continuous with the plasma membrane (CELL MEMBRANE) or outer membrane of the nuclear envelope. If the outer surfaces of the endoplasmic reticulum membranes are coated with ribosomes, the endoplasmic reticulum is said to be rough-surfaced (ENDOPLASMIC RETICULUM, ROUGH); otherwise it is said to be smooth-surfaced (ENDOPLASMIC RETICULUM, SMOOTH). (King & Stansfield, A Dictionary of Genetics, 4th ed)	Ergastoplasm,Reticulum, Endoplasmic
D005953	Glycogen Storage Disease Type I	An autosomal recessive disease in which gene expression of glucose-6-phosphatase is absent, resulting in hypoglycemia due to lack of glucose production. Accumulation of glycogen in liver and kidney leads to organomegaly, particularly massive hepatomegaly. Increased concentrations of lactic acid and hyperlipidemia appear in the plasma. Clinical gout often appears in early childhood.	Glucose-6-Phosphatase Deficiency,Glucosephosphatase Deficiency,Glycogenosis 1,Hepatorenal Glycogen Storage Disease,von Gierke Disease,Deficiency, Glucosephosphatase,Gierke Disease,Gierke's Disease,Glycogen Storage Disease 1 (GSD I),von Gierke's Disease,Deficiencies, Glucose-6-Phosphatase,Deficiencies, Glucosephosphatase,Deficiency, Glucose-6-Phosphatase,Disease, Gierke,Disease, Gierke's,Disease, von Gierke,Disease, von Gierke's,Gierkes Disease,Glucose 6 Phosphatase Deficiency,Glucose-6-Phosphatase Deficiencies,Glucosephosphatase Deficiencies,von Gierkes Disease
D006003	Glycogen
D006801	Humans	Members of the species Homo sapiens.	Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man