Characteristics Of Allergic Patients

When compared with normals, asthmatics have a skewed profile of peripheral blood lymphocytes and clinical symptoms. The number ofCD4 Th2 cells is greatly increased in allergic subjects. However, there is considerable debate about whether this change is a cause or an effect ofasthma. Moreover, the surface of the Th2 cells has a higher density of a low-affinity receptor for IgE (CD23). The low-affinity receptor is a 30-kDa member of the C-type lectin family that includes the selectin adhesion molecules. Most asthmatics have hyperactive airways and respond to low concentrations of carbachol, a potent cholinergic stimulus, with bronchoconstric-tion. All have increased levels of IgE antibody in the serum.

Coping with Asthma

Coping with Asthma

If you suffer with asthma, you will no doubt be familiar with the uncomfortable sensations as your bronchial tubes begin to narrow and your muscles around them start to tighten. A sticky mucus known as phlegm begins to produce and increase within your bronchial tubes and you begin to wheeze, cough and struggle to breathe.

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