نتایج جستجو برای: human colon adenocarcinoma cells
تعداد نتایج: 2706663 فیلتر نتایج به سال:
The purpose of this study was to compare the expression of O-acetylated sialic acids on normal colonic epithelial cells to that on primary and metastatic human adenocarcinoma of the colon and rectum. In 24 cases, the relative percentages of biosynthetically labeled non-, mono-, di-, and tri-O-acetylated sialic acids were measured after hydrolytic release, separation, and identification by paper...
We hypothesized that kallikrein-related peptidase 14 (KLK14) is produced by colonic tumors and can promote tumorigenesis by activating proteinase-activated receptors (PARs). We found that KLK14 is expressed in human colon adenocarcinoma cells but not in adjacent cancer-free tissue; KLK14 mRNA, present in colon cancer, leads to KLK14 protein expression and secretion; and KLK14 signals viaPAR-2 i...
Cytotoxic activity of gaillardin, a sesquiterpene lactone isolated from Inula oculus-christi L. (Asteraceae), was assessed in the human breast adenocarcinoma cell line MCF-7, human hepatocellular carcinoma cell line HepG-2, human non-small cell lung carcinoma cell line A-549, and human colon adenocarcinoma cell line HT-29, resulting in IC50 values of 6.37, 6.20, 4.76, and 1.81 microg/mL, respec...
To identify and characterize genes, the products of which play a role in pancreatic adenocarcinoma, we constructed a complementary DNA (cDNA) library using mRNA from the pancreatic adenocarcinoma cell line HPAF, grown as a nude mouse tumor. Through differential screening, we identified a cDNA clone, pII5B, that is homologous to an mRNA expressed at significantly higher levels in HPAF cells than...
Lipid bodies (lipid droplets) are emerging as dynamic organelles involved in lipid metabolism and inflammation. Increased lipid body numbers have been described in tumor cells; however, its functional significance in cancer has never been addressed. Here, we showed increased number of lipid bodies in tumor tissues from patients with adenocarcinoma of colon submitted to surgical resection when c...
b a c k g r o u n d & aim: it is very helpful to classify and predict the clinical category of a sample based on its gene expression profile. this study was conducted to predict tissues of colorectal adenoma, adenocarcinoma, and paired normal in colon based on microarray data using nearest shrunken centroid method. methods & materials: in this study, the co...
Lipid bodies (lipid droplets) are emerging as dynamic organelles involved in lipid metabolism and inflammation. Increased lipid body numbers have been described in tumor cells; however, its functional significance in cancer has never been addressed. Here, we showed increased number of lipid bodies in tumor tissues from patients with adenocarcinoma of colon submitted to surgical resection when c...
Human colon adenocarcinoma LS180 parental cell line and selected variants, characterized by different metastatic capacity were used to examine, whether a correlation exists between beta-actin expression, its subcellular distribution and metastatic potential of these cells. Cytosolic fraction (supernatant 105000 x g), isolated from the tumor cells was used as a source for actin quantification. T...
Mixed neuroendocrine-non-neuroendocrine neoplasm (MiNEN) is defined as a tumor composed of cells originating from neuroendocrine in the embryonic intestine and elements epithelial adenocarcinoma. To determine differentiation grade MiNEN, proliferation index was used, for which at least 500 were examined. MiNEN rare that most frequently found lower gastrointestinal tract. We present clinical case ...
Background & Objective: The role of synchronized expression pattern of cytokeratin (CK) 7 and CK20 in the prognosis of colon adenocarcinoma is unclear. The current study aimed at determining the relationship between the expression of cytokeratins 7 and 20 and prognostic factors in colon adenocarcinoma. Methods: In the current cr...
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