Medawar P B, Hunt R
Immunology. 1981 Feb;42(2):349-53.
The anti-cancer action of retinyl acetate (Vitamin-A acetate, VAA), chosen as a representative retinoid substance, is attributed to its power to exercise immunopotentiation, though other possibilities are considered. The reasons for forming this opinion were: (1) chronic administration of VAA brought about enlargement of the thymus and peripheral lymph nodes; (2) the administration of VAA curtailed the life of skin allografts though (3) its action could be reversed by the concomitant administration of immunosuppressive agents.
作为代表性类视黄醇物质的醋酸视黄酯(维生素A醋酸酯,VAA)的抗癌作用,尽管还考虑了其他可能性,但归因于其具有免疫增强能力。形成这一观点的原因如下:(1)长期给予VAA会导致胸腺和外周淋巴结肿大;(2)给予VAA会缩短皮肤同种异体移植的存活时间,不过(3)其作用可通过同时给予免疫抑制剂而逆转。