TF and neoplasm: Our findings showed that peptides Tf-D-HKC15 and Tf-D-HKC8 decreased tumor volumes to 63% and 36% on day 36, respectively, while they decreased tumor volumes to 70% and 32% on day 48, respectively; again, peptide Tf-D-HKN15 had no effect (see Fig. 6k, l).