Example sentences for: allergen

How can you use “allergen” in a sentence? Here are some example sentences to help you improve your vocabulary:

  • Domains such as potassium channels, pollen allergen Bra r II, mitochondrial carrier proteins, the cation (Ca 2+and Na +) pore region and nucleoside transporters suggest possible functions.

  • Four hours after allergen challenge, genes in this cluster were increased by two- to fourfold of the level observed in normal controls.

  • Cigarette smoke has also been considered a major player in the pathogenesis of asthma and as a trigger for acute symptoms [ 2 ] . Exposure to cigarette smoke activates an inflammatory cascade in the airway epithelium resulting in the production of a number of potent cytokines and chemokines, with accompanying damage to the lung epithelium, increased permeability, and recruitment of macrophages and neutrophils to the airway [ 3 ] . Even brief exposure to cigarette smoke has been shown to increase expression of IL-8 in primary cultures of human bronchial epithelial cells (HBEs) in the presence of dust mite allergen [ 4 ] . Increased release of the chemokine IL-8 has also been shown for cultured HBEs exposed to cigarette smoke extract (CSE) [ 5 6 ] and diesel exhaust particles [ 7 ] . However, the precise molecular events that bring about these intracellular changes and acute inflammation in lung epithelial cells are not well understood.

  • However, in most studies, the association between allergen sensitization and asthma has been found in obese and non-obese children equally [28].

  • Understanding how the response to cat allergen is controlled could provide an insight into how both the prevalence and the titre of IgE antibody responses in general are (or should be) controlled.


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