Cytokines have prominent roles in activating of different T cells and shifting the immune response. in this study the role of three cytokines (IL-21. IL-23 and IL-27) is investigated in the liver transplant rejection. Three EDTA-treated blood samples were collected from each liver transplanted patient in 1st. https://countryscenesaddleryandpetsuppliers.shop/product-category/saddle/