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Definition of Asthma susceptibility gene

Asthma susceptibility gene: One of the genes that predisposes a person to asthma.

A gene family that plays a major role in asthma susceptibility has been identified. This gene family, located at chromosome 5q23-35, is called TIM (T cell transmembrane, immunoglobulin and mucin) or Tapr (T cell and Airway Phenotype Regulator) . The TIM family of genes is involved in allergic response, asthma, and transplant tolerance. It controls the development of airway hyperreactivity (and the T cell production of interleukin 4 and 13). TIM-1 is also the receptor of the hepatitis A virus. This may explain the fact that hepatitis A virus infection decreases the chance asthma will develop.

QUESTION

Asthma is a chronic respiratory disease. See Answer
Reviewed on 12/11/2018
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