Articles tagged with Colorectal Cancer
Researchers mapped cancer through protein interactions, revealing biomarkers and potential new treatments for breast and head and neck cancers. The study provides a new definition of biomarkers based on large, multi-protein complexes, offering a more precise way to explain mutation effects.
Patients with certain gene mutations are at high risk of fatal chemotherapy toxicity, with a 25-times increased risk detected in those with uncommon DPYD variants. The study suggests that adding pre-treatment screening may help prevent avoidable deaths without interrupting standard care.
Researchers have developed a new type of red meat that replaces nitrite with natural alternatives from plants and fruits, including Japanese Knotweed. The results showed significantly lower levels of nitrite content in participants' faeces compared to conventionally processed red meat.
A new trial run by UCL researchers shows promise in slowing the regrowth of tumors among some bowel cancer patients. The drug adavosertib was found to delay tumour growth by about two months on average and had relatively few side effects, particularly in left-sided/rectal tumours.
A new study published in Clinical Gastroenterology and Hepatology found that computer-aided detection can improve colonoscopy quality by reducing the miss rate, with a relative reduction of nearly a third when used in conjunction with standard-of-care colonoscopy. The study suggests that artificial intelligence may be an important tool...
The article highlights the need for financial and technological support to enable effective interprofessional teams in primary care. The authors suggest training community members to serve their communities and exploring how diversity impacts patient care outcomes. They also advocate for innovative payment models that allow primary car...
Breast and colorectal cancer screening rates increased following the introduction of national quality indicators, with greater reductions in socioeconomic disparities. Cervical cancer screening rates remained unchanged due to its exclusion from initial quality indicators.
A study by researchers from the University at Buffalo and the University of Utah found that second- and third-degree relatives are at a higher risk of developing colorectal cancer. The study, which reviewed over 1,500 cases, suggests that early colonoscopy screening may be beneficial for these relatives as well.
MUSC Hollings Cancer Center researchers discovered a novel mechanism showing how a certain gene mutation can allow tumors to evade detection by the immune system in colorectal cancer patients. The study found that APC mutations lead to increased levels of PD-L1, which allows tumors to evade T-cell function and increase immunosuppression.
Researchers developed a method to overlay a virtual scale on acquired endoscope images in real-time, allowing accurate estimation of colorectal polyp sizes. The approach uses triangulation principles and minimal image processing, enabling cost-effective diagnosis without adding extra instrumentation.
Research at UTHealth School of Public Health in Houston found that infants born to obese mothers have a heightened risk of developing colorectal cancer later in life. The study also linked timing and magnitude of maternal weight gain during pregnancy, as well as birth weight, to increased risk of the disease.
Researchers from Okayama University conducted a randomized trial to assess the benefits of interventions for early cancer screening in patients with schizophrenia. The study found that 47.1% of counseled patients underwent colorectal cancer screening, compared to 11.8% of those receiving only usual treatment.
A novel approach to improve fitness for surgery, known as 'prehabilitation', has been shown to reduce cancer patients' hospital stay by 1.8 days compared to standard care. This study suggests that prehabilitation can benefit patient outcomes and potentially confer a survival advantage.
A large retrospective analysis of 14,000 patients with colorectal cancer found that common blood-pressure drugs like ACE inhibitors and beta-blockers were associated with decreased mortality. Patients who took their blood-pressure drugs consistently were less likely to die from their cancer.
A study found that total vitamin D intake of 300 IU per day or more was associated with a 50% lower risk of developing young-onset colorectal cancer. Higher dietary vitamin D intake was linked to a reduced risk of colon polyps detected before age 50.
Researchers developed a nanotherapeutic platform that combines camptothecin with immune checkpoint inhibitors to increase effectiveness against aggressive tumors. The approach showed promising results in eliminating difficult-to-treat late-stage metastatic colorectal cancer and melanoma tumors.
Researchers at City of Hope found that advanced colorectal cancer patients with no liver metastases respond to checkpoint inhibitors, achieving a major response in 20% of cases. In contrast, patients with liver metastases showed no positive response to immunotherapy.
A multicenter cohort study found that incomplete polyp removal is strongly associated with postcolonoscopy colorectal cancer. Researchers analyzed medical records for 233 participants and found that patients with incompletely removed polyps were more likely to develop metachronous neoplasia, including advanced tumors.
Prokineticin-1 is a lymphangiogenic factor involved in human colorectal cancer's lymph node metastasis and lymph vessel formation. High PROK1 expression was found to significantly increase the rate of lymph node metastasis.
The study describes the three-dimensional structure of the MUTYH protein and its interaction with PCNA, a key player in DNA replication. The researchers found that mutations in the MUTYH gene reduce its binding affinity to DNA and destabilize its structure, leading to decreased DNA repair activity.
Researchers from Nagoya University have successfully measured the shape distributions of cell-derived nanoparticles, or extracellular vesicles, in body fluids. This study may help identify types of cancer with a painless and non-invasive method.
Research found a significant correlation between lower UVB light exposure and higher rates of colorectal cancer across all age groups. Vitamin D deficiency may play a role in this association, particularly for people over 45, who may reduce their risk by correcting deficiencies in vitamin D.
A study using data from 186 countries found a significant correlation between lower UVB exposure and higher rates of colorectal cancer across all age groups. Lower UVB exposure may reduce levels of vitamin D, which has been associated with an increased risk of colorectal cancer.
A meta-analysis found that obese patients with colorectal cancer receive lower cumulative doses of adjuvant chemotherapy relative to their body surface area than non-obese patients. This may explain the poorer survival rates observed in obese patients receiving adjuvant chemotherapy for colorectal cancer. The study suggests that obese ...
A study by the American Cancer Society found a 10.2% decline in real-time electronic pathology reports from population-based cancer registries in 2020 compared to 2019. The study suggests substantial delays in diagnosis and treatment services for cancers during the pandemic.
The 2021 ESMO World Congress on Gastrointestinal Cancer presented new concepts in clinical trials, advances in surgery and transplant, and novel immuno-oncology mechanisms. Researchers shared findings on the effects of drug interactions in GI oncology and strategies to improve outcomes for patients with metastatic pancreatic cancer.
A recent study found a direct molecular link between red meat consumption and colorectal cancer development, revealing genetic mutations indicative of DNA damage. High red meat intake was associated with increased cancer-related mortality and poorer patient survival.
Researchers found that 14-3-3sigma acts as a tumor suppressor in the gastrointestinal tract, inhibiting cell division and DNA damage repair. Its expression is downregulated in metastatic tumors and low levels correlate with worse prognosis.
A recent study found that adults with early-onset colorectal cancer (diagnosed before age 50) have significantly better survival rates than those diagnosed later in life. The research used data from the National Cancer Database and found a significant difference in survival rates between the two groups.
A convolutional neural network-based algorithm predicts tumor mutational burden-high (TMB-H) colorectal cancer response to immunotherapy. The model uses histopathological characteristics, particularly tumor-infiltrating lymphocytes, from hematoxylin and eosin-stained slides.
A recent study found that higher screening uptake may be associated with a higher risk of colon cancer in black people. The study analyzed over 90,000 veterans and discovered that those who received routine screenings had a similar risk of colorectal cancer compared to white patients.
New national screening guidelines from the U.S. Preventive Services Task Force recommend that regular screenings begin at age 45 for Americans without symptoms or high-risk factors. The updated guideline aims to detect colorectal cancer earlier and improve treatment outcomes, particularly among younger adults.
Researchers at Massachusetts General Hospital found that colorectal cancer screening after age 75 reduces incidence and death from the disease in most individuals. Screening is particularly beneficial for those without cardiovascular disease or multiple health conditions.
A new study found that higher red meat intake and lower educational attainment are associated with an increased risk of colorectal cancer in people under 50. The research also linked lower fiber and folate intake to a stronger link between rectal cancer and early-onset cases.
The USPSTF now recommends starting colorectal cancer screening at age 45 for most adults, with selective offers for those aged 76-85. Nearly one-third of eligible adults were not up to date with screening in 2018.
The USPSTF has recommended lowering the age for colorectal cancer screening to 45 years of age, aligning with the American Cancer Society's 2018 guideline. This change aims to catch more early deaths and preventions due to increasing cases in younger individuals. Further research is needed to identify underlying causes and risk factors.
Research reveals CABYR-a/b and CABYR-c proteins are expressed in a subset of colorectal cancers, making them potential targets for specific immunotherapy. The study found that these proteins are highly expressed in 70% of patients with relative expression ratios over 1.
A new study found that up to 38.6% of colon cancer patients with a hereditary cancer syndrome may be undetected by current universal tumor-screening methods. Researchers recommend implementing multi-gene panel testing as part of the standard care for all colorectal cancer patients.
A study by Vanderbilt researchers found that maintaining a healthy lifestyle can reduce colorectal cancer risk by nearly 40% among those with a high genetic risk. Those at low genetic risk see only a 25% reduction, highlighting the importance of prevention strategies for high-risk individuals.
Research published in Gut journal reveals a strong association between daily sugar-sweetened drink intake and increased risk of early-onset colorectal cancer. Women who consumed two or more drinks per day were nearly twice as likely to be diagnosed with bowel cancer before age 50, according to the study.
A new study found a link between drinking sugar-sweetened beverages and an increased risk of developing colorectal cancer in women under age 50. Heavy consumption during adolescence and young adulthood can increase disease risk, suggesting public health efforts to reduce sugar intake may be beneficial.
A Swedish-US study found that having a first-degree relative with intestinal polyps increases the risk of developing colorectal cancer. The study, published in the British Medical Journal, included over 68,000 patients with colorectal cancer and 333,753 healthy controls.
New research reveals patients with multiple comorbidities are more likely to be screened for colorectal cancer than those without any health conditions. Regular screenings significantly reduce cancer mortality.
Researchers developed an exosome-based therapeutic strategy to target and treat late-stage colorectal cancer by disrupting immunosuppressive factors. In preclinical models, this approach proved effective in enhancing the anti-tumor immune response and controlling tumor growth.
Researchers developed a topical cream using BRAF inhibitor LUT014 to reduce skin rash caused by EGFR inhibitors in colorectal cancer patients. The study showed that the treatment improved skin condition and reduced severity of the rash in 6 out of 10 patients.
A new study has identified interleukin 11 as a key player in the development of colorectal cancer. IL-11-producing cells, known as cancer-associated fibroblasts, were found to promote tumor growth and support the disease microenvironment.
In a survey of 1,062 adults aged 45-75, most preferred fecal immunochemical tests (FIT/FOBT) or multitarget stool DNA (mt-sDNA) over colonoscopy. The preference for mt-sDNA was higher among younger age groups and non-Hispanic white individuals, while older adults and minority groups preferred colonoscopy.
A Mayo Clinic study found that 15.5% of patients with colorectal cancer had inherited gene mutations, which can be detected through universal testing and broader gene panels. This discovery has the potential to lead to targeted cancer therapies and earlier disease detection in families.
A modeling study estimates COVID-19-related changes in colorectal cancer screenings and associated outcomes. Expanded fecal immunochemical testing may help mitigate these outcomes during the pandemic.
Researchers found that patients with colorectal cancer had a 57-93% decreased risk of death from their cancer depending on the presence and type of mitochondrial DNA mutations. Mitochondrial DNA mutations were present in almost 60% of tumour samples, suggesting potential for improved treatment outcomes.
Regular use of baby aspirin before a diagnosis of non-metastatic colorectal cancer is associated with better survival outcomes. The study found that low-dose aspirin use limits the spread of cancerous tumors pre-diagnosis, leading to lower death rates from the disease.
A long-term study published in PLOS ONE found that bariatric surgery does not increase the risk of colorectal cancer in obese individuals. After a median follow-up period of 22 years, there were 57 cases of colorectal cancer in the surgery group and 67 in the control group, suggesting no association between the two.
A large study found a strong association between ultra-processed food consumption and an increased risk of colorectal cancer, with a 10% increment in consumption leading to an 11% increase in risk. Ultra-processed foods were also linked to less healthy diets among breast cancer cases, while no association was found with prostate cancer.
Researchers at Pennington Biomedical Research Center found that maintaining a stable body weight does not guarantee muscle mass and increases the risk of premature death among colorectal cancer survivors. Women are particularly vulnerable to losing muscle mass, with one in five women experiencing significant changes.
Scientists detected novel pathogens in colorectal cancer patients near tumors, triggering chronic inflammation that promotes cancer development. BMMFs were more frequently found near malignant tumors than healthy tissue.
A retrospective study found that folinic acid with fluorouracil improves progression-free and overall survival in metastatic colorectal cancer patients. The combination also shows a clear clinical benefit regardless of RAS mutational status or tumor side. This suggests folinic acid may be a valuable addition to chemotherapy protocols.
A new study published in the American Journal of Roentgenology found that CT colonography with a 10 mm threshold is the most effective and efficient non-invasive screening test for colorectal cancer prevention and detection. This method targets advanced neoplasia while reducing unnecessary colonoscopies compared to other tests.
A machine learning algorithm helps differentiate between benign and premalignant polyps in CT colonography data, with a sensitivity of 82% and specificity of 85%. The findings suggest a role for machine learning-derived algorithms in boosting the effectiveness of CT colonography as a screening tool for colorectal cancer.
Researchers have successfully 'caught' colibactin, a genotoxin from E. coli, inducing genetic changes characteristic of colorectal cancer cells. This breakthrough enables the observation of transformation in vitro using human colon organoids.
A new study published in JAMA Network Open examined the association between diet and colorectal cancer risk. The research found that a diet high in processed foods and added sugars is linked to an increased risk of colorectal cancer.