The article analyses the results of investigating the connection between BCL1-polymorphism of glucocorticoid receptor gene and respiratory diseases. Its role in increasing sensitivity to glucocorticoids is proved here. The authors investigated the association of Bcl1 polymorphism with predisposition to bronchial asthma, chronic obstructive pulmonary disease, with the nicotine addiction degree and with progressing disorders of pulmonary function in cystic fibrosis.
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