aberrant crypt foci/phosphatase

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Effect of dietary caraway (Carum carvi L.) on aberrant crypt foci development, fecal steroids, and intestinal alkaline phosphatase activities in 1,2-dimethylhydrazine-induced colon carcinogenesis.

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Colon cancer is one of the most common malignancies in many regions of the world and is thought to arise from the accumulation of mutations in a single epithelial cell of the colon and rectum. Caraway (Carum carvi L. Umbelliferae) is a shrub with a long history as a medicinal plant since ancient

Brewers' rice attenuated aberrant crypt foci developing in colon of azoxymethane-treated rats.

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Brewers' rice is one of abundant agricultural waste products in the rice industry. The present study is designed to investigate the potential of brewers' rice to inhibit the development of aberrant crypt foci (ACF) in colon of azoxymethane (AOM)-treated rats. The effects on the attenuation of

Modulation of colonic aberrant crypt foci and proliferative indexes in colon and prostate glands of rats by vitamin E.

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The effect of a high vitamin E diet on the early stages of colon carcinogenesis and on the proliferative indexes in the colon and in the prostate glands was investigated in rats. F344 male rats were injected with azoxymethane (AOM, 15 mg/kg sc). One week later, animals were randomly allocated into

Loss of heterozygosity in human aberrant crypt foci (ACF), a putative precursor of colon cancer.

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Aberrant crypt foci (ACF), the earliest neoplastic lesions of the colon, have genetic and epigenetic alterations. Loss of heterozygosity (LOH) of tumor suppressor gene loci is seen in most colon cancers, but it is not known how early in tumorigenesis this takes place. Nine microsatellite markers

Effects of a high-fat diet on azoxymethane-induced aberrant crypt foci and fecal biochemistry and microbial activity in rats.

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To shed light on the association of dietary fat with the development of colon cancer, we studied the ability of azoxymethane (AOM) to induce aberrant crypt foci (ACF) and biochemical changes in rats fed high- or normal-fat diets. Six-week-old male Fischer 344 rats were placed on a high-fat [7%

Microcystins (cyanobacterial toxins) in drinking water enhance the growth of aberrant crypt foci in the mouse colon.

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Microcystis aeruginosa produces toxic cyclic peptides called microcystins, potent hepatotoxins that have been implicated in tumor promotion in skin and liver. The model used in this investigation was the azoxymethane (AOM)-induced aberrant crypt focus (ACF) in the male C57Bl/6J mouse colon. Three

Deficiency of Protein Tyrosine Phosphatase Non-Receptor Type 2 in Intestinal Epithelial Cells Has No Appreciable Impact on Dextran Sulphate Sodium Colitis Severity But Promotes Wound Healing.

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OBJECTIVE The protein tyrosine phosphatase non-receptor type 2 (PTPN2) is known to mediate susceptibility to inflammatory bowel diseases. Cell culture experiments suggest that PTPN2 influences barrier function, autophagy and secretion of pro-inflammatory cytokines. PTPN2 knockout mice die a few

Chemopreventive Effects of Azadirachta indica on Cancer Marker Indices and Ultrastructural Changes During 1,2-Dimethylhydrazine-Induced Colon Carcinogenesis in Rats.

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The present study elucidated the prospective of Azadirachta indica supplementation, if any, in affording chemoprevention by modulating the altered cancer markers and ultrastructural changes in DMH-induced colorectal carcinogenesis in rats. The rats were segregated into four groups viz., normal

Prevention of diabetes, hepatic injury, and colon cancer with dehydroepiandrosterone.

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The levels of dehydroepiandrosterone (DHEA) and its sulfate (DHEA-S) peak in human in their twenties, then decrease gradually with age. The physiological importance of DHEA was not clear until recent research reports showing that DHEA has beneficial effects on preventing diabetes, malignancy,

Chemopreventive effects of selenium on cancer marker indices and ultrastructural changes during 1,2 dimethylhydrazine-induced colon carcinogenesis in rats.

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OBJECTIVE The present study was conducted to elucidate the potential of selenium supplementation, if any, in affording chemoprevention by modulating the altered cancer markers and ultrastructural changes in dimethyl hydrazine (DMH)-induced colorectal carcinogenesis in rats. METHODS The rats were

Glutathione S-transferase-pi overexpression is closely associated with K-ras mutation during human colon carcinogenesis.

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OBJECTIVE In colorectal adenoma and carcinoma, glutathione S-transferase-pi (GSTP1-1) is highly expressed. K-ras mutation is also known to occur frequently in colorectal adenoma and carcinoma, as well as in the putative precursor of adenoma, aberrant crypt foci (ACF). Further, forced expression of

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