Mast Cell Activation Syndrome: A Primer for the Gastroenterologist Digestive Diseases and Sciences Springer Nature Link Recruitment or activation of mast cells in the liver aggravates the accumulation of fibrosis in carbon tetrachloride induced liver injury ScienceDirect Mast cell activation syndrome (MCAS) is one of the most misunderstood conditions I see in my telehealth functional medicine clinic. and it's often the missing piece for people who feel like they're Frontiers Mast Cell Activation in Brain Injury, Stress, and Post traumatic Stress Disorder and Alzheimer's Disease Pathogenesis Mast Cell Activation Syndrome and Its Impact on the Lymphatics