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Showing 2 results for Colorectal Neoplasms

Roya Abbasinatajomrani , Durdi Qujeq, Reza Hajihosseini , Vahid Hosseini ,
Volume 23, Issue 3 (10-2021)

Background and Objective: Colorectal cancer is one of the most common cancers and considered to be leading causes of cancer death in the world. One of the problems with this type of cancer is its inability to be detected in early stage. The aim of present study was to evaluate the correlation between the serum levels of Fucosyltransferase-4 and galactin-3 in patients with early-stage of colorectal cancer.
Methods: This case-control study was done on 40 patients with early stages of colorectal cancer and 40 healthy subjects. ELISA method was used to measure the serum levels of Fucosyltransferase-4 and galactin-3. To examine the correlation between the variables, correlation test and Pearson correlation coefficient index were used.
Results: Fucosyltransferase-4 and galactin-3 levels were higher in patients with early-stage of colorectal cancer compared to healthy subjects. This difference was not significant. In patients with colorectal cancer, there was a significant relationship between the level of Fucosyltransferase-4 and galactin-3 (r=0.71, P=0.01).
Conclusion: Simultaneous measurement of Fucosyltransferase-4 and galactin-3 is useful in identifying early-stage of colorectal cancer as a non-invasive laboratory method.
Mohammad Arefi , Ayyoob Khosravi , Abbas Abdollahi , Seyed Hamid Aghaei Bakhtiari , Naeme Javid , Anvarsadat Kianmehr ,
Volume 25, Issue 3 (10-2023)

Background and Objective: Micro-ribonucleic acids (microRNAs) have introduced a new field in the molecular diagnosis of cancer. However, the role of circulating microRNAs in the plasma/serum of colorectal cancer patients is still unclear. This study was conducted to determine the expression of let-7d microRNA in patients with colorectal cancer.
Methods: This case-control study was conducted on 40 patients with colorectal cancer and 40 healthy people. In this study, 7 mL blood samples were collected from patients with colorectal cancer (both before and after tumor resection) and healthy individuals (only once). The serum samples were isolated and stored at - 80°C until molecular analysis. MicroRNAs were extracted from serum samples, and cDNA was synthesized. Let-7d expression was examined using the RT-qPCR method. Data were analyzed using GraphPad Prism v. 9 software. The receiver operating characteristic (ROC) curve analysis, sensitivity, and specificity were also calculated for the let-7d microRNA data to introduce a diagnostic biomarker between the preoperative patient group and the control group.
Results: In the preoperative samples of the patients, the expression of let-7d microRNA was significantly lower than that of the control group (P˂0.05). The expression of let-7d microRNA significantly increased after tumor resection compared to before. The ROC analysis for let-7d microRNA in the preoperative patient group with the control group showed that the sensitivity was 33.3%, specificity was 92.3%, and the area under the curve (AUC) was 0.622.
Conclusion: Let-7d microRNA could potentially serve as a new noninvasive diagnostic biomarker for the early detection of colorectal cancer. However, further studies are required on this subject.

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مجله دانشگاه علوم پزشکی گرگان Journal of Gorgan University of Medical Sciences
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