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NaturalNews.com 10/16/2019 17:56
(Natural News) Researchers from the U.S. have found that vitamin D can potentially be used in cancer treatment. In their findings, which they published in the journal JAMA, revealed that supplementing vitamin D can inhibit the progression of advanced colorectal cancer. What is colorectal cancer? Colorectal cancer is the term for cancers that develop in the colon...
Metastasis associated with lung adenocarcinoma transcript-1 (MALAT1) is an evolutionarily highly conserved lncRNA that contributes to colorectal cancer development. However, the exact molecular mechanisms connecting MALAT1 to colorectal cancer have not been fully elucidated. Here, we performed a case–control study in 1,078 patients with colorectal cancer and 1,175 healthy controls to evaluate the association between potentially functional genetic variants of MALAT1 and survival outcomes in patients with colorectal cancer. MALAT1 rs664589 CG/GG genotypes significantly increased the associated risk and decreased overall survival of patients with colorectal cancer compared with the CC genotype. In vitro and in vivo experiments showed that the
Purpose:. Patient-derived xenograft (PDX) models accurately recapitulate the tumor of origin in terms of histopathology, genomic landscape, and therapeutic response, but some limitations due to costs associated with their maintenance and restricted amenability for large-scale screenings still exist.
Purpose:. Recent sequencing studies revealed that a subset of colorectal cancer harbors a significantly higher number of somatic mutations. These hypermutated tumors show distinct clinicopathologic features. However, the prognostic impact of the hypermutated tumors is not clearly established. Experimental Design:. We analyzed tumor mutation burden (TMB) from targeted next-generation sequencing data of 40 major genes in 516 patients with colorectal cancer. TMB was defined as total number of nonsynonymous mutations per tumor. Cutoff value for TMB-high was chosen by which best discriminated relapse-free survival (RFS) using the Contal and O'Quigley method. Results:. In the TCGA data, mutation count of the selected 40 genes reflected the whole exo.
miRNAs are key players in the integrated regulation of cellular processes and shape many of the functional properties that define the “cancer stem cell” (CSC) phenotype. Little is known, however, about miRNAs that regulate such properties in human colorectal carcinoma. In this study, we compared the expression levels of 754 miRNAs between paired samples of EpCAM+/CD44+ cancer cells (enriched in CSCs) and EpCAM+/CD44neg cancer cells (with CSC depletion) sorted in parallel from human primary colorectal carcinomas and identified miR-221 as the miRNA that displayed the highest level of preferential expression in EpCAM+/CD44+ cancer cells. High levels of miR-221 expression were associated with Lgr5+ cells in mouse colon crypts and reduced surviv.
Optimal bowel cleansing is critical to the success of colonoscopy as a screening test for colorectal cancer, and inadequate bowel preparation is associated with suboptimal patient- and procedure-related outcomes. This special report reviews the efficacy of current preparation products in providing quality cleansing, including the recently FDA-approved PEG-3350 based agent PLENVU.
The addition of panitumumab to mFOLFOXIRI in patients with RAS WT metastatic colorectal cancer improved the ORR and rate of secondary resection of metastases and represents a treatment option in selected and fit patients in need of highly active first-line therapy.

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