This was nuts versus human liver cancer cells, like they did in the fruit study. (nutritionfacts.org)
Saito, Y., Saito, H., Nakamura, M., Wakabayashi, K., Takagi, T., Ebinuma, H., and Ishii, H. Effect of the molar ratio of branched - chain to aromatic amino acids on growth and albumin mRNA expression of human liver cancer cell lines in a serum - free medium. (webmd.com)
Here's today's retraction notice from Scientific Reports for «Novel piperazine core compound induces death in human liver cancer cells: possible pharmacological properties:» (retractionwatch.com)