Mast cell leukemia (MCL) is a quick-progressing condition that leads to the buildup of mast cells in your bone marrow and other tissues. It falls into a group of diseases collectively known as ...

Mast cell activation syndrome (MCAS) is a condition that occurs when the mast cells in your body release too much of a substance that causes allergy-like symptoms. Mast cells are part of your immune ...

Mast cells develop from hematopoietic progenitors in response to stem-cell factor (KIT ligand), which is the ligand of the CD117 transmembrane tyrosine kinase receptor, encoded by KIT. CD117 regulates ...

Q: My doctor thinks my mast cells are activating inappropriately and may be causing many of the symptoms I periodically have. Please tell me more about this condition. A: Mast cells are an important ...

Mast cells are a type of innate immune cell. They contain large granules that are packed with immunomodulatory and vasoactive molecules, which are released following mast cell degranulation. Mast ...

For many patients with diverse and seemingly unrelated symptoms, obtaining an accurate diagnosis can take years of specialist visits and inconclusive tests. Mast cell activation syndrome, a disorder ...

Mast cell activation syndrome, or disease (MCAS), is a condition that causes mast cells to release these substances too frequently, resulting in severe allergic reactions. After detecting an allergen, ...

Mast cell activation syndrome is a condition that causes mast cells to release an inappropriate amount of chemicals into your body. This causes allergy symptoms and a wide range of other symptoms.