Background: Colorectal cancer is the third most common neoplasm in the world. Methylation of tumor related genes in CpG islands can cause gene silencing and been involved in the development of cancer. The potential role of DKK2 as a biomarker for early diagnosis of colorectal cancer remains unclear.
Objective: The aim of the study was to evaluate the profile of methylation and RNAm expression of DKK2 as potential predictors of colorectal cancer diagnosis and prognosis.
Methods: Expression of mRNAs encoding DKK2 in 35 colorectal cancer tissues was quantified using real-time polymerase chain reaction analysis. The DNA methylation was studied by high resolution melting analysis. The general characteristics of the patients were collected. DKK2 methylation and expression were compared to clinical, pathological aspects and overall survival.
Results: Among the 35 patients studied, 18 were male, 10 were on right colon and 25 on left colon. Among the 20 patients with high hypermethylation, 15 of them had mRNA low expression of DKK2. There was no significant association between DKK2 promoter methylation and mRNA DKK2 expression and clinical or pathological features. DKK2 promoter methylation (P=0.154) and DKK2 RNA expression (P=0.345) did not show significant correlation with overall survival.
Conclusion: DKK2 promoter methylation and DKK2 RNA status appear to be biomarkers of cancer diagnosis but not predictors of prognosis.
Download full-text PDF |
Source |
|---|---|
| http://dx.doi.org/10.1590/S0004-2803.202100000-10 | DOI Listing |
Publication Analysis
Top Keywords
Similar Publications
Relationships between nutritional status and serum adipokine levels with chemotherapy efficacy in late-stage colorectal cancer patients.
Int J Colorectal Dis
January 2025
Department of Infectious Diseases (Hepatology), Affiliated Hospital of Shaoxing University, 999 Zhongxing South Road, Shaoxing, 312000, Zhejiang, China.
Objective: Colorectal cancer (CRC) is a common cancer, with chemotherapy as its major therapy. Nutritional status (NS) and adipokines implicated in CRC. We explored the impacts of NS indicators (hemoglobin, albumin, and prealbumin) and serum adipokine (visfatin, adiponectin, and resistin) level on chemotherapy efficacy in late-stage CRC patients.
View Article and Find Full Text PDFAccelerated Endosomal Escape of Splice-Switching Oligonucleotides Enables Efficient Hepatic Splice Correction.
ACS Appl Mater Interfaces
January 2025
Faculty of Life Sciences, Department of Pharmaceutical Sciences, Laboratory of Macromolecular Cancer Therapeutics (MMCT), University of Vienna, Josef-Holaubek-Platz 2, 1090 Vienna, Austria.
Splice-switching oligonucleotides (SSOs) can restore protein functionality in pathologies and are promising tools for manipulating the RNA-splicing machinery. Delivery vectors can considerably improve SSO functionality in vivo and allow dose reduction, thereby addressing the challenges of RNA-targeted therapeutics. Here, we report a biocompatible SSO nanocarrier, based on redox-responsive disulfide cross-linked low-molecular-weight linear polyethylenimine (cLPEI), for overcoming multiple biological barriers from subcellular compartments to en-route serum stability and finally in vivo delivery challenges.
View Article and Find Full Text PDFConfocal Endomicroscopy Intestinal Epithelial Barrier Abnormalities in Individuals Without Documented Gastro-Intestinal Disease.
United European Gastroenterol J
January 2025
Department of Gastroenterology, CHU Liège, Liège, Belgium.
Background And Aims: Probe-based confocal endomicroscopy (pCLE) allows real-time microscopic visualization of the intestinal mucosa surface layers. Despite remission achieved through anti-tumor necrosis factor or vedolizumab therapy, anomalies in the intestinal epithelial barrier are observed in inflammatory bowel disease (IBD) patients. Our study aimed to assess these abnormalities in non-IBD individuals and compare them with IBD patients in endoscopic remission to identify the associated factors.
View Article and Find Full Text PDFImpact of antibiotic prophylaxis on gut microbiota in colorectal surgery: insights from an Eastern European stewardship study.
Front Cell Infect Microbiol
January 2025
Second Surgical Oncology Department, Regional Institute of Oncology, Iasi, Romania.
Introduction: Antibiotic overuse is driving a global rise in antibiotic resistance, highlighting the need for robust antimicrobial stewardship (AMS) initiatives to improve prescription practices. While antimicrobials are essential for treating sepsis and preventing surgical site infections (SSIs), they can inadvertently disrupt the gut microbiota, leading to postoperative complications. Treatment methods vary widely across nations due to differences in drug choice, dosage, and therapy duration, affecting antibiotic resistance rates, which can reach up to 51% in some countries.
View Article and Find Full Text PDFEstablishment of novel colorectal cancer organoid model based on tumor microenvironment analysis.
Life Med
August 2024
School of Basic Medical Sciences, The First Affiliated Hospital of Nanchang University, Jiangxi Medical College, Nanchang University, Nanchang 330031, China.
Want AI Summaries of new PubMed Abstracts delivered to your In-box?
Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!