by MASA | May 2, 2026 | mast cells, Mast Cells Activation Syndrome (MCAS), Patient Resources
GLP-1 Medications and Mast Cell Activation Syndrome (MCAS) What is MCAS? Mast Cell Activation Syndrome (MCAS) is a condition in which mast cells — a type of immune cell found throughout your body — become overactive and release too many chemical signals. This can...
by MASA | Apr 28, 2026 | Clinical Resources, mast cells
This clinical guide provides a technical overview of mast cell disorders, categorizing them into three primary classifications: clonal overgrowth, inappropriate activation, and inherited high-tryptase states. Mast Cell Disorders: Clinical Classification &...
by MASA | Apr 28, 2026 | mast cells, Patient Resources
What are mast cells and what do they do? Mast cells are a vital part of your immune system. Their primary job is to protect your body by releasing chemicals, such as histamine, when they detect a threat like an infection or an allergen. What happens during a mast cell...
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...