NewslettersCancer Stem Cell News Optimization of Production and Characterization of a Recombinant Soluble Human Cripto-1 Protein Inhibiting Self-Renewal of Cancer Stem Cells By Britya Ghosh - May 17, 2022 0 A functional form of soluble Cripto-1 was found to be difficult to obtain because of the 12 cysteine residues in the protein which impaired the folding process. [Journal of Cellular Biochemistry] Abstract