Aplidine is a compound found in
tunicates which "shows promise in shrinking tumors in pancreatic, stomach, bladder, and prostate cancers."The specific marine organism is Aplidium albicans. Aplidine consists of peptide molecules. In addition to the cancers mentioned above it is also under consideration as a treatment for some types of
leukemia.
[1]
See more at Wikipedia.org...
A substance that is being studied in the treatment of cancer. It is obtained from a marine organism.