Obesity and colon carcinoma are a growing health problem with colon carcinoma being the most common cancer of the alimentary tract. Risk factors for colon carcinoma, which are mediated by insulin resistance, include the so-called Western diet that is rich in high glycemic foods and beverages, a sedentary lifestyle, obesity, and others. We reviewed English papers cited on MEDLINE concerning epid...

Vascular endothelial growth factor (VEGF) is a potent angiogenic factor important for colon cancer neovascularization. In previous studies, serum starvation led to induction of VEGF in human colon carcinoma cells. We investigated the possible participation of mitogen-activated protein kinases in serum starvation induction of VEGF in the HT29 human colon carcinoma cell line. The extracellular si...

Monoclonal antibody (MAb) D612 recognizes an antigen expressed on the cell surface of normal and malignant gastrointestinal epithelium. It is a murine IgG2a/kappa which has been previously shown to mediate killing of human colon carcinoma cells using human effector cells (which could be enhanced in the presence of interleukin-2). Sodium dodecyl sulfate-polyacrylamide gel electrophoresis (SDS-PA...

Similar to mechanisms of recruitment of activated leukocytes to inflamed tissues, selectins mediate adhesion and extravasation of circulating cancer cells. Our objective was to determine whether sialyl Lewis X modified core 2 O-glycans (C2-O-sLe(X)) present on colon and hepatic carcinoma cells promote their adhesion and invasion. We examined membrane expression of C2-O-sLe(X), selectin binding,...

Poly(ADP-ribose) polymerase-1 (PARP-1) which mediates poly-ADP-ribosylation, has been extensively investigated in carcinoma compared to arginine ADP-ribosyltransferase 1 (ART1), which mediates mono‑ADP‑ribosylation. Previous studies have demonstrated that these enzymes promote proliferation and tumor development in colon carcinoma. However, whether there is any association between PARP-1 and AT...

PURPOSE This article investigates the relationship between cancer cells and stromal cells in carcinoma cell living microenvironment and elucidates the mechanism that interleukin-1 receptor antagonist (IL-1RA) blocks metastatic potential in colon cancer. METHODS Western blot and RT-PCR assay were used to determine the expression of hepatocyte growth factor (HGF) and IL-1α in colon carcinoma ce...

Potassium channels are essential for the regulation of cell proliferation. As reported, HERG protein is overexpressed in a wide range of human tumors, including colon carcinoma. The aim of this study was to investigate the effects of antibacterial agents sparfloxacin (SPFX), a blocker of HERG channel, on HERG K+ channel highly expressing colon cancer cells. Expression of HERG and apoptosis corr...

El carcinoma de células en anillo sello colon es una neoplasia poco frecuente, variedad del cáncer colorrectal.. Es uno lo carcinomas que no forman glándulas debido a la mucina intracelular desplaza los núcleos las tumorales hacia un lado dando característica especifica este carcinoma. Representa solo 1 al 2 por ciento todos colorrectal. variante agresiva con propensión diseminación intramural ...

Protein kinase C (I'M I is a Ca2*and phospholipid-dependent protein kinase which is implicated in tumor promotion, since it has been dem onstrated to be a high affinity receptor for tumor promoters such as 12O-tetradecanoylphorbol-13-acetate. Colon carcinogenesis appears to pro ceed through distinct stages of initiation and promotion. The present studies show that PKC and calcium-dependent prot...

AIM: To analyse the Chibby expression and its function in colon carcinoma cell lines and colorectal carcinoma