Atopic
asthma is a chronic,
inflammatory lung disease characterized by recurrent
breathing problems in response to an
allergen. Platelets play an important role in this allergic inflammatory process, by releasing preformed mediators like
platelet factor 4 (PF4) and regulated upon activation in normal T cells expressed and secreted (RANTES) upon activation causing
eosinophil chemotaxis. The present invention relates to allelic variants of the human
Inositol polyphosphate 4-
phosphatase (INPP4A)
gene and splice variants of the coding sequence, which encodes INPP4A
enzyme known to be an important
regulator of
platelet activation; and provides primers and methods suitable for the detection of these allelic variants for applications such as molecular diagnosis, prediction and prevention of an individual's
disease susceptibility, and / or the
genetic analysis of the INPP4A
gene in a
population. The invention also provides an association with the expression profile of INPP4A
protein in the mouse model of
asthma. Specifically, the invention provides a method for detection of predisposition to atopic disorders / other immunological disorders such as, autoimmune disorders, inflammatory disorders,
cancer,
multiple sclerosis,
fibrosis,
tuberculosis,
sarcoidosis, hypertension and disorders developing due to hypertension, diabetes and disorders developing due to diabetes,
alcohol abuse,
anxiety,
asthma, chronic obstructive
pulmonary disease (
COPD), cholecystectomy, degenerative
joint disease (DJD),
seizure disorder,
arthritis, etc. where human
Inositol polyphosphate 4-
phosphatase (INPP4A) might play an important role due to its involvement in
platelet action.