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I. G. Zubeldia, A. M. Bleau, M. Redrado, D. Serrana, A. Agliano, C. Gil-Puig, F. Vinal-Vanaclocha, J. Lecanda and A. Calvo, “Epithelial to Mesenchymal Transition and Cancer Stem Cell Phenotypes Leading to Metastasis Are Abrogated by the Novel TGF-Beta-1 Peptides P17 and P144,” Experimental Cell Research, Vol. 319, No, 2013, pp. 12-22.

has been cited by the following article:

• TITLE: Potential of Lunasin Orally-Administered in Comparison to Intraperitoneal Injection to Inhibit Colon Cancer Metastasis in Vivo

  AUTHORS: Vermont P. Dia, Elvira Gonzalez de Mejia

  KEYWORDS: Lunasin; Colon Cancer; Metastasis; Apoptosis; Histones

  JOURNAL NAME: Journal of Cancer Therapy, Vol.4 No.6B, July 5, 2013

  ABSTRACT: Lunasin is a bioactive peptide originally isolated from soybean and has demonstrated chemopreventive and anti-cancer properties against skin, colon and breast cancers. The objective of the study was to evaluate the capability of intraperitoneally and orally-administered soybean-derived peptide lunasin to inhibit KM12L4 human colon cancer cell metastasis in a mouse model. Intraperitoneal (i.p.) injection of lunasin (4 mg/kg bw/day) reduced the number of liver metastasis by 50% (P = 0.047) and the liver weight/body weight ratio by 23% (P = 0.039). Oral administration of lunasin reduced the number of liver metastasis by 56% (8 mg/kg bw/day, P = 0.293) and 94% (20 mg/kg bw/day, P = 0.247). Immunohistochemical staining of the liver-tissue section showed that lunasin at 20 mg/kg bw dose did not significantly reduce the expression of proliferating cell nuclear antigen, increased the expression of proapoptotic Bax by 2.7-fold but also increased the expression of the antiapoptotic Bcl-2 by 3.8-fold. Regarding epigenetic markers, H3K18 was not significantly affected by either oral dose while H4K8 was dose dependently increased by 2.3-fold (P = 0.001, 8 mg/kg bw) and 2.7-fold (P s of administration used leading to digestion of lunasin when given by oral gavage. In conclusion, lunasin reduced colon cancer metastasis in vivo; however, more studies are needed to determine the oral dose of lunasin and prevent colon cancer metastasis.