LKB1 serine/threonine kinase is a gene for Peutz-Jeghers cancer predisposition syndrome. Most studies have detected a low frequency of LKB1 defects in sporadic cancer. A notable exception is a recent report describing frequent, mostly missense type, LKB1 mutations in Korean distal colorectal tumors. To clarify the role of LKB1 in colon cancer, we scrutinized 50 left-sided Korean and Finnish spe...

Family history of colorectal cancer is a risk factor for sporadic colorectal cancer, but it is not known which step of the adenoma-carcinoma pathway it influences. This case control study investigated the relation between family history of cancer and colorectal adenomas and cancers. Family history of colorectal cancer (FHCRC) was as frequent in small (< 10 mm) adenoma patients (11.7%, n = 154) ...

this study was carried out to analyze certain epidemiological variations in iranian patients with colorectal cancer. (crc): from march 1981 up to march 1993, 103 patients were analyzed retrospectively for age, gender, marital state, job, nutritional habits, presenting symptoms and histopathological features. most of the patients with colorectal cancer were male, age range 20-75 (mean 56), 25.4 ...

Colorectal cancer is a major health problem worldwide. Aberrant activation of the Wingless-type mouse mammary tumor virus integration site family(Wnt)/β-catenin signaling pathway is the most common and initial alteration in sporadic colorectal tumors. Numerous experimental studies have indicated that β-catenin is a key regulator of colorectal cancer. Indeed, β-catenin activity was shown to desi...

Control of colorectal cancer needs to be tailored to its etiology. Tumor promotion mechanisms in colitis-associated colon cancer differ somewhat from the mechanisms involved in hereditary and sporadic colorectal cancer. Unlike sporadic or inherited tumors, some experimental models show that colitis-associated colon tumors do not require cyclooxygenase (COX) expression for progression, and non-s...

colorectal cancer is an emerging public health problem in indonesia and currently ranks among the three highest cancers. lack of a colonoscopy screening and lifestyle changes might contribute to it. in the last few decades, there is an increasing interest towards the contribution of genetic-environment interaction in colorectal carcinogenesis. some studies have indicated that crc might develop ...

McKnight Brain Institute, University of Florida, Gainesville, Florida 32609, USA. Patients with chronic ulcerative colitis are at increased risk of developing colorectal cancer. Although current hypotheses suggest that sporadic colorectal cancer is due to inability to control cancer stem cells, the cancer stem cell hypothesis has not yet been validated in colitis-associated cancer. Furthermore,...

Integrative genetic changes were examined in relation to tumor growth and progression of sporadic colorectal cancers. Ninety-two sporadic colorectal cancer patients and 12 human colorectal cancer cell lines were evaluated. Genetic changes in representative steps of colorectal tumorigenesis were determined. Biological characteristics, i.e., clinicopathologic parameters, expression of invasion-as...

Background:Long non-coding RNAs, as a big part of non-coding RNAs, are considered functionally more than past. These transcripts could be involved in carcinogenesis. SNHG6, as a long non-coding RNA, has been reported to be expressed more in colorectal cancer tissues than non-cancerous ones.  Colorectal cancer as a malignancy needs fast prognostic and diagnostic methods for well...