| abstract |
The invention relates to a factor derived from the thymus, obtained from clonal mammalian cell lines of thymic origin, called TISF (T4 Immune Stimulating Factors), which stimulates, increases or regulates the cellular immune reaction, and is preferably homogeneous and purified. , and which improves the proliferation and differentiation of lymphocytes and other hematopoeitic ancestors. Said factor stimulates the reaction of animals, especially mammalian organisms, to infectious agents and malignancies. The invention also relates to methods of using TISF in the treatment or prevention of diseases. |