Preparation and Properties of Soluble Pig Skin Fractions Influencing on Human Keratinocyte Proliferation and Differentiation.

Three fractions with different molecular weights were isolated from pig skin. Fraction 1 (F1) and fraction 3 (F3) stimulated human keratinocyte proliferation in primary and regenerating cultures, but didn't affect their differentiation. Fraction 2 (F2) inhibited keratinocyte proliferation and stimulated their differentiation.

Modulation of Immune Response of BALB/Mice Bearing Lymphoma L5178Y Treated with Bitter Yellow Juice of Aloe vera (L) in vivo.

Aloe vera (L), a plant of African origin, has been introduced in Mexico since XVIth century. It has been used in the treatment of many diseases of immune system. In the present study we investigated a specific and non-specific immune response of BALB/c mice, healthy and immunosuppressed with murine lymphoma L5178Y, treated with bitter yellow juice (extract) of Aloe vera (L).

Contemporary Views on the Nature and Clinical Application of Thymus Preparations.

The contemporary views on the clinical application and efficiency of the most well-known peptide preparations isolated from thymus are presented in this review. Among these preparations are thymosins, thymulin, thymopoetin, thymostimulin, thymopentin, thymalin, tactivin, and others. The results of clinical trials, dosages and indications of thymus peptide preparations, their advantages and disadvantages and perspectives of their therapeutical use are discussed.