FCER1A (High Affinity Immunoglobulin E Receptor Subunit Alpha): FCER1A is crucial in allergic reactions, binding to immunoglobulin E (IgE) and activating mast cells and basophils. This activation releases histamine and other mediators of inflammation, leading to allergic symptoms. FCER1A's role in allergies and asthma makes it a focal point for developing treatments that mitigate allergic responses....