You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is A 40 year old male patient complains of difficulty in breathing. Patient gives history of multiple allergies to food and dust. 
Which immunoglobulins are elevated in this patient? and explain in detail?
IgE is a single Y-shaped monomer. lt is normally present in minute concentration in blood. IgE levels are elevated in  individuals with  allergies as it is associated with the body's allergic responses. The IgE molecules tightly bind with mast cells which release histamine and cause allergy.
Satyanarayana- Biochemistry, 3rd edition, pg-189