Related Experiment Video
Updated: Jun 5, 2026

09:27
Rapid One-step Enzymatic Synthesis and All-aqueous Purification of Trehalose Analogues
Published on: February 17, 2017
Trehalase deficiency in Greenland.
E Gudmand-Høyer1, H J Fenger, H Skovbjerg
1Medical-Gastroenterological Dept. F, Gentofte Hospital, University of Copenhagen, Denmark.
Scandinavian Journal of Gastroenterology
|September 1, 1988
Summary
At least 8% of adult Greenlanders have trehalase deficiency, a condition found not to impact nutrition. This study investigated its prevalence and implications in the Greenlandic population.
Area of Science:
- Gastroenterology
- Human Genetics
- Nutritional Science
Background:
- Trehalase is an enzyme crucial for digesting trehalose, a disaccharide found in fungi and insects.
- The prevalence and clinical significance of trehalase deficiency in various populations remain incompletely understood.
Purpose of the Study:
- To determine the incidence of trehalase deficiency in adult Greenlanders.
- To assess the clinical and nutritional implications of trehalase deficiency in this population.
Main Methods:
- Analysis of small-intestinal surgical biopsy specimens from 97 adult Greenlanders.
- Performance of trehalose tolerance tests in individuals with low trehalase activity.
Main Results:
- An incidence of at least 8% for trehalase deficiency was observed in the studied Greenlandic population.
- Trehalose tolerance tests in deficient individuals showed no significant increase in blood glucose levels.
- Co-occurrence of lactase deficiency was noted in three trehalase-deficient patients.
Conclusions:
- Trehalase deficiency is relatively common in adult Greenlanders.
- The condition does not appear to have significant nutritional implications.
- Further research may explore the genetic basis and potential co-morbidities like lactase deficiency.
Related Concept Videos
Glucose Transporters
Glucose transporters facilitate the transport of glucose across the cell membrane. In addition to glucose, some glucose transporters can also aid the movement of other hexoses such as fructose, mannose, and galactose.
Facilitated diffusion-glucose transporters (GLUTs) are encoded by the solute-linked carrier (SLC) family 2, subfamily A gene family, or SLC2A. The 14 GLUT protein members are distributed into three classes:
Facilitated diffusion-glucose transporters (GLUTs) are encoded by the solute-linked carrier (SLC) family 2, subfamily A gene family, or SLC2A. The 14 GLUT protein members are distributed into three classes:
Inborn Errors of Metabolism
Phenylketonuria (PKU) is a protein metabolism disorder characterized by high blood levels of the amino acid phenylalanine. This results from a mutation in the gene responsible for phenylalanine hydroxylase, an enzyme that converts phenylalanine into tyrosine. When this enzyme is deficient, phenylalanine builds up in the blood, leading to symptoms such as vomiting, rashes, seizures, growth deficiency, and severe mental retardation. An early diagnosis and a diet restricting phenylalanine intake...

