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Results for “Intestinal Polyposis”

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PubMed2002

Medico-genetic and cytogenetic investigation in family with high predisposition to diffuse intestine polyposis.

We revealed a family consisting of 25 persons which displayed high predisposition to malignant diseases of the gastrointestinal tract (GIT): rectal cancer (RC) was diagnosed in 2 patients, large intestine malignant polyposis (LIMP) in 1 patient, large intestine diffuse polyposis (LIDP) in 3 and uterus fibromyoma in 1 patient. Six members of the family were examined cytogenetically with the methaphase method on blood lymphocytes following G-banding of chromosomes. In 2 patients with LIDP was detected 8.7 and 16.7% of hyperaneuploid cells, respectively, and 20% of cells with double minute chromosomes (DMS) were detected in 1 LIDP patient. We suppose, that LIDP development in members of the family is related to the significant increase of proportion of hyperaneuploid and DMS-containing cells.

Adolescent↗
PubMed1998

Inhibitory effects of bovine lactoferrin on intestinal polyposis in the Apc(Min) mouse.

Chemopreventive effects of bovine lactoferrin (bLF), previously shown to strongly inhibit intestinal carcinogenesis in rats (K. Sekine, E. Watanabe, J. Nakamura, N. Takasuka, D.J. Kim, M. Asamoto, V. Krutovskikh, T.H. Baba, T. Ota, M.A. Moore, M. Masuda, H. Sugimoto, H. Nishino, T. Kakizoe, H. Tsuda, Inhibition of azoxymethane-initiated colon tumor by bovine lactoferrin administration in F344 rats, Jpn. J. Cancer Res. 88 (1997) 523-526; K. Sekine, Y. Ushida, T. Kuhara, M. Iigo, H. Baba-Toriyama, M.A. Moore, M. Murakoshi, Y. Satomi, H. Nishino, T. Kakizoe, H. Tsuda, Inhibition of initiation and early stage development of aberrant crypt foci and enhanced natural killer activity in male rats administered bovine lactoferrin concomitantly with azoxymethane, Cancer Lett. 121 (1997) 211-216), on spontaneous intestinal polyp development were assessed in the ApcMin mouse, a model for both familial adenomatous polyposis and sporadic colon cancers. In the experiment, 54 mice at 6 weeks of age were given 2% bLF (15 mice), 0.2% bLF (15 mice) and AIN-93G (24 mice) as basal diet ad libitum for 8 weeks. An overall tendency for a reduction in the total number of polyps in the small intestine was evident in the bLF-treated animals, along with significant suppression in the jejunum at the 2% dose (P < 0.05, 68% of the control). In addition, body growth suppression, presumed to be due to anemia and/or intussusception as a consequence of numerous polyps in the intestine, was alleviated. No toxic effects were observed in the intestinal epithelium. Although not as obvious as observed for the rat case, the data suggest that bLF may be a chemopreventor of intestinal polyposis.

Animals↗