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Galactose-α-1,3-galactose, commonly known as alpha gal and the Galili antigen, is a carbohydrate found in most mammalian cell membranes. It is not found in catarrhines , [ 1 ] including humans, who have lost the GGTA1 gene.
Alpha-gal syndrome (AGS), also known as alpha-gal allergy or mammalian meat allergy (MMA), [1] is a type of acquired allergy characterized by a delayed onset of symptoms (3–8 hours) after ingesting mammalian meat. The condition results from past exposure to certain tick bites and was first reported in 2002.
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Reference ranges (reference intervals) for blood tests are sets of values used by a health professional to interpret a set of medical test results from blood samples. Reference ranges for blood tests are studied within the field of clinical chemistry (also known as "clinical biochemistry", "chemical pathology" or "pure blood chemistry"), the ...
α-Galactosidase ( EC 3.2.1.22, α-GAL, α-GAL A; systematic name α-D-galactoside galactohydrolase) is a glycoside hydrolase enzyme that catalyses the following reaction: [1] Hydrolysis of terminal, non-reducing α- D -galactose residues in α- D -galactosides, including galactose oligosaccharides, galactomannans and galactolipids
Alpha-gal may refer to: Alpha-galactosidase, an enzyme; Galactose-alpha-1,3-galactose, a carbohydrate also known as Galili antigen; Alpha-gal allergy
Galactose-1-phosphate uridyltransferase (or GALT, G1PUT) is an enzyme (EC 2.7.7.12) responsible for converting ingested galactose to glucose. [5]Galactose-1-phosphate uridyltransferase (GALT) catalyzes the second step of the Leloir pathway of galactose metabolism, namely:
In most regions, galactosemia is diagnosed as a result of newborn screening, most commonly by determining the concentration of galactose in a dried blood spot. Some regions will perform a second-tier test of GALT enzyme activity on samples with elevated galactose, while others perform both GALT and galactose measurements.