Steroid-resistant asthma

Contrary to ciclosporin and tacrolimus, drugs that affect the first phase of T lymphocyte activation, sirolimus affects the second phase, namely signal transduction and lymphocyte clonal proliferation. It binds to FKBP1A like tacrolimus, however the complex does not inhibit calcineurin but another protein, mTOR . Therefore, sirolimus acts synergistically with ciclosporin and, in combination with other immunosuppressants, has few side effects. Also, it indirectly inhibits several T lymphocyte-specific kinases and phosphatases, hence preventing their transition from G 1 to S phase of the cell cycle. In a similar manner, Sirolimus prevents B cell differentiation into plasma cells, reducing production of IgM, IgG, and IgA antibodies.

Steroid-resistant asthma

steroid-resistant asthma

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steroid-resistant asthmasteroid-resistant asthmasteroid-resistant asthmasteroid-resistant asthmasteroid-resistant asthma

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