[Anti-tumor activity of 1-O-alkylglycerols--the main component of shark liver oil].

: Fish oils contain several active compounds that modify cell activity and influence various functions of the human body. Shark liver oils are rich in 1-O-alkylglycerols which have strong ability to stimulate human immune system. In this review we discuss findings of the recent studies that showed antitumor properties of 1-O-alkylglycerols derived from fish oils and its effect in adjunctive treatment of several types of cancer.