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Colorectal Cancer - DOAJ

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Last Updated: 19 January 2023

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Prognostic risk analysis related to radioresistance genes in colorectal cancer

BackgroundThe most common treatments for patients with colorectal cancer are radiotherapy and radiotherapy. paraphrasedoutput:Methods The first generation of a radioresistant cell line was created from a stepwise raised dose of irradiation from the parental HCT116 cell line and performed transcriptomics analysis to look for the underlying genes that cause radioactivity and investigate its relationship with CRC patients' prognosis. Model gene analysis and validation were performed on a CRC cohort in the TCGA database for further model gene analysis and validation. Results The relationship between the risk score model and tumor microenvironment, clinical phenotype, drug tolerance, and tumor mutation status was also investigated. The calibration curve revealed a strong correlation between the risk score prediction and actual survival odds.

Source link: https://doi.org/10.3389/fonc.2022.1100481


Comparative Study of Health-Related Quality of Life between Colorectal Cancer Patients with Temporary and Permanent Stoma

Objective: To determine the health-related quality of life of colorectal cancer patients with temporary and permanent stoma. This research was a cross-sectional study that was conducted on 110 CRC patients with stoma. Enrolled patients must have a minimum age of 40-60 years and live with stoma for a period of three months. There were 83 patients with temporary stoma and 27 patients with permanent stoma. Notably, the domain of body image inquiry had the lowest QOL index in both groups. Conclusion: Postoperative health-related quality of life was not different among Thai colorectal cancer patients with temporary or permanent stoma. However, patients with permanent stoma had a non-significant higher rating in every area of health-related quality of life than those with temporary stoma.

Source link: https://doaj.org/article/4509d55f00cd493292a14ba2d2fd2b1c


Long-term Oncologic Outcomes After Curative Surgery in Stage I–III Thai Colorectal Cancer Patients

Objective: The survival rate for colorectal cancer is variable, and there are no studies about long-term effects in Thai patients following curative therapy. This research was designed to determine the long-term oncologic effects in non-metastatic Thai colorectal cancer patients following curative surgery. The 5-year total survival in the colon cancer patients was 76. 3%; 94. 6% in stage I, 79. 8% in stage II; and 63. 3 percent in stage III. The 5-yr OS in the rectal cancer patients was 61%; 87% in stage I, 75% in stage II, and 51% in stage III. The 5-year disease-free survival in the colon cancer patients was 76. 5% in stage I, 83 percent in stage II, and 66 percent in stage III. In stage I, 68%; 89% in stage II; 51% in stage II; and 51% in stage III. Colon cancer has a greater prognosis than rectal cancer, according to a stage by stage.

Source link: https://doaj.org/article/1a4a08fc14ee4822abb8968fdbcbe6f7


Tetraspanin co029 expression as a tumor biomarker for monoclonal antibodies preparation: antigenic assessment in colorectal cancer cells

Introduction: The discovery of novel cancer biomarkers is a continuing quest. Methods: Using Gateway'u00ae's Gateway platform, we produced the 31kDa transmembrane human tetraspanin co029 antigen in Escherichia coli expression host cells. TSP co029 clones are present on Forty clones that produce antibodies against TSP co029, which are present in antibodies. These antibodies were incubated with human colorectal cancer cells in various conditions. TSP co029 biomarker: The expressed tetraspanin had a suitable conformation and antigenic integrity to produce antibodies with affinity to the native TSP co029 biomarker. Western blotting, florescent staining of human colorectal cancer cells in fluorescence and confocal microscopies, and ELISA and immunohistochemistry demonstrated the similarity of the purified recombinant protein and antibodies, as well as immunohistochemistry. Conclusion: The recombinant protein and antibodies produced in this study, according to our results, enabled the detection of tetraspanin co029 protein on the surface of human colorectal cancer cells's tissue.

Source link: https://doi.org/10.5935/2526-8732.20220274


Construction of a prognostic glycolysis‐related lncRNA signature for patients with colorectal cancer

Abstract: Aerobic glycolysis is a common metabolic phenotype in tumors that helps cancer cells adapt to challenging living conditions and can also aid in metastasis in several types of carcinomas, including colorectal carcinomas. Long non-coding RNAs can influence tumor biology and have been used to measure patients' results and to identify potential therapeutic targets. However, despite the fact that glycolysisu2010related lncRNAs play a role in the formation of CRC, research on their use as prognostic indicators is still limited. We used a series of bioinformatic experiments to screen potential prognostic lncRNAs for colorectal cancer. Nine GRLs were selected to represent a prognostic signature out of all lncRNAs reviewed, with nine chosen to be a prognostic signature. Further, we reported that AFAP1u2010AS1 could control aerobic glycolysis and metastasis of CRC cells. Overall, we created a glycolysis/u2010-related lncRNA signature and discovered that this signature could be used to determine potential therapeutic targets for cancer therapy.

Source link: https://doi.org/10.1002/cam4.4851


eEF1A1 promotes colorectal cancer progression and predicts poor prognosis of patients

Abstract Colorectal cancer is the leading cause of cancer deaths worldwide, in which dysregulated protein synthesis plays a vital role. 1 A1 is a eukaryotic elongation factor that has a major effect on protein synthesis by contributing to peptide chain extension. The mRNA and protein levels of eEF1A1 were significantly elevated in CRC cell lines and tissues, according to this study. In 94 CRC patients, elevated expression of eEF1A1 was correlated with shorter overall survival. After eEF1A1 downregulation, cell proliferation and cell cycle block were discovered in CRC cells.

Source link: https://doi.org/10.1002/cam4.4848


Oncogenic fusion transcript analysis identified ADAP1‐NOC4L, potentially associated with metastatic colorectal cancer

Fusion transcripts are not often reported in metastatic colorectal carcinoma. The most important step in cancer progression is to find driver chimeras that play a role in tumor formation. Methods In the present study, 86 RNA sequencing data samples were analyzed in order to identify driver fusion transcripts. Patients were analyzed for overall survival after a retrospective analysis of Kaplanu2013Meier's survival. By in silico analysis of their functions, thirteen fusion genes were identified as oncogenic fusion transcripts, with each one being at least present in two mCRC samples. Positive response of ADAP1u2010NOC4L in mCRC patients was strongly associated with an elevated risk of poor OS. Overexpression of this fusion gene resulted in cell proliferation, enhanced migration and invasion of CRC cells. Conclusions The ADAP1-u2010NOC4L transcript chimera, which was a driver chimera included in this report, provides new insight into the underlying mechanisms involved in the formation and dissemination of mCRC.

Source link: https://doi.org/10.1002/cam4.4943


Pandemic‐resilient target setting in colorectal cancer screening for vulnerable older population

This report sought to determine the lowest acceptable participation rate in CRCS during a pandemic, focusing on vulnerable older populations that need urgent intervention. Methods This national cross-u2013sectional study in Japan included 80,946 patients aged 70 to 85 years who were first diagnosed with colorectal cancer after 70 years of age between April 1, 2014 and March 31, 2019. A multilevel logistic regression model was developed to assess the correlation between a region's high CRC participation rate and individual early CRC detection. Results Early detections During Stages 0u2013I were clearly present when primary screening rate was u226538% and combined follow-up rate was u2265 percent, which was u226585%. Early detection during Tisu2013T1's primary screening rate u2265 38% and a combined follow-up rate of u2265 90% were both required. Conclusions The results show that even during pandemic, CRCS should have a primary screening rate of 38 percent and a follow-up rate of 85 percent among vulnerable older populations.

Source link: https://doi.org/10.1002/cam4.4907


Development and validation of postoperative and preoperative platelets ratio (PPR) to predict the prognosis of patients undergoing surgery for colorectal cancer: A dual‐center retrospective cohort study

Abstract Background Platelets play a vital role in tumor formation and metastasis, and platelet count is crucial to tumor prognosis in tumor patients. However, preoperative platelet counts cannot be standardized and individualized due to individual, instruments, and regions, and regions, and countries, and countries, although the connection between postoperative platelet count and prognosis remains uncertain. We first established the ability of PPR and other peripheral blood count measures to predict patients with CRC's death and then confirmed them in a separate cohort. Independent predictors of prognosis in CRC patients were in the development cohort, postoperative platelet count, and postoperative/preoperative platelets ratio. The biggest AUC was measured in 1'u2010year and 3'u2010year OS of patients and PPR patients, and PPR revealed the largest AUC in the validation cohort, platelet/lymphocyte ratio, and PPR were all proven to be independently concerned about CRC patients' and PPR. The improved predictive value and clinical net benefit of a platelet count and PPR were shown by the joint index of platelet count and PPR in addition to a physician's guideline.

Source link: https://doi.org/10.1002/cam4.4930

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions