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, ...

Known for their role in allergic reactions, mast cells have long been recognised as key players in our immune system. When they encounter allergens, they release chemicals that trigger typical allergy ...

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 ...

In early 2020, Wynde Dyer walked into the house that would transform her life. The Central California ranch sat on a cul-de-sac of gated homes and glittering aquamarine pools. It boasted private ...

This scanning electron microscopy image captures the moment where degranulating mast cells (pseudo-colored in sepia) attract and start to incorporate living neutrophils (pseudo-colored in cyan), ...

Depending on one's perspective, "mast cell activation syndrome (MCAS)" is either a relatively rare, narrowly defined severe allergic condition or a vastly under-recognized underlying cause of multiple ...