by MASA | Mar 24, 2023 | Allergies, Gene test, Immune System, mast cells, Rare Diseases
Hereditary alpha tryptasemia (HAT) Hereditary alpha tryptasemia (HAT) is a rare genetic condition that is caused by mutations in the TPSAB1 gene, which codes for alpha tryptase, a type of enzyme that is released from mast cells. Mast cells are a type of white blood...