background: recurrent miscarriage (rm) affects 2-5% of pregnant women. paternal lymphocyte immunotherapy is a common treatment for rm patients but the outcome has not been consistent. therefore, combined therapy with other immunosuppressive drugs such as 1 a, 25-dihydroxy-vitamin-d3 (vitamin d3) may improve the outcome. objectives: to investigate the effect of vitamin d3 on the balance of two e...

sarcoidosis is a systemic granulomatous disorder of unidentified etiology, with a heterogeneous clinical presentation. it is characterized by a reduced delayed-type hypersensitivity to tuberculin and common antigens. the balance between th1, th17 and regulatory t(treg) cells controls t-cell proliferation and activation.the th17/treg ratio in the peripheral blood and bronchoalveolar lavage fluid...