Investigation Into Efficiency of a Novel Glycol Chitosan-Bestatin Conjugate to Protect Thymopoietin Oligopeptides From Enzymatic Degradation. Zhang Y, Feng J, Cui L, Zhang Y, Li W, Li C, Shi N, Chen Y, Kong W.J Pharm Sci. 2016 Feb;105(2):828-837. 

Thymopoietin, a thymic polypeptide, potently interacts at muscle and neuronal nicotinic alpha-bungarotoxin receptors.Quik M.Mol Neurobiol. 1992 Spring;6(1):19-40. 

Depletion of thymopoietin inhibits proliferation and induces cell cycle arrest/apoptosis in glioblastoma cells. Zhang L, Wang G, Chen S, Ding J, Ju S, Cao H, Tian H.World J Surg Oncol. 2016 Oct 19;14(1):267.