Articles tagged with Colon Cancer
A study published in The New England Journal of Medicine found that colon capsule endoscopy diagnosed 64% of all lesions located by means of conventional colonoscopy. While this is a lower sensitivity rate compared to the conventional procedure, the diagnostic efficacy curve improves with experience.
A new study identifies a group of individuals born with genetic mutations that increase their risk of developing colon cancer. The study found that these mutations affect the glycosylation process, leading to alterations in mucus production and tumor development.
Researchers identified CST5 as a candidate tumor suppressor gene induced by vitamin D3 in human colon cancer cells. The protein cystatin D inhibits cancer cell growth and is responsible for some of vitamin D3's anticancer effects.
A new colon cancer screening technique created by Northwestern University researchers has shown a high sensitivity in detecting precancerous lesions, potentially rivaling the effectiveness of colonoscopy. The technique uses optical technology to analyze tissue samples, identifying the 'fingerprint' of carcinogenesis.
A new study by researchers at the University of Michigan Comprehensive Cancer Center found that women are under-represented in clinical cancer research, with only 37% of studies including adequate numbers of female participants. The study analyzed 661 prospective clinical studies with over 1 million total participants and found that st...
A new study reveals that combining chemotherapy agents with 5FU increases disease-free survival for patients under 70, but does not provide similar benefits for those aged 70 and older. The research found that the aggressive treatment strategy is better tolerated by younger patients, while older patients may experience more side effects.
A study examining COX2 and UGT1A6 genetic polymorphisms in colon cancer risk found no significant association. The protective effect of NSAIDs on colon cancer risk was not modified by these genetic variations.
A new study finds that individuals with low levels of the 'Celebrex gene' are resistant to Celebrex treatment for colon tumor prevention. High levels of colonic 15-PGDH expression are necessary for Celecoxib to prevent colon tumors.
A study by University of Utah researchers identified a protein called C-terminal binding protein 1 (CTBP1) as the spark that initiates colon polyp formation. This new information opens possibilities for developing future treatments to prevent tumor progression.
A Michigan State University researcher has discovered a key hormone found in fat tissue that promotes tumor growth and cancer progression. Abdominal fat is associated with the greatest risk for cancer, particularly breast, colon, and endometrial cancers.
A new study supports CT colonography as a primary screening test for colon cancer, with high accuracy in detecting clinically important polyps. The study found that 91.6% of detected lesions were also found during optical colonoscopy or surgery.
Researchers discovered a receptor in the colon that has cancer-killing potential and is silenced by cancer. Activating this receptor with butyrate or a related compound may provide a new treatment for colon cancer and inflammatory bowel disease.
African-Americans with Pro72 protein variant have double the risk of dying from advanced colon cancer compared to whites. The discovery sheds light on racial disparities in cancer and offers new insights into personalized cancer therapies.
A healthy diet is linked to a reduced risk of colon cancer due to the growth of beneficial gut bacteria that produce short-chain fatty acids. The composition of diet directly influences the diversity of microbes in the gut, with complex carbohydrates supporting good bacterial populations.
Researchers traced a genetic mutation in the Fry family, who arrived in Massachusetts colony in the 1630s, to its impact on colon cancer. Through routine screening and education, individuals with the mutated gene can prevent cancer.
A new vaccine is being tested to prevent colon cancer by stimulating an immune response against the MUC1 protein in precancerous growths. The vaccine has shown promise in generating an immune response despite weakened immune systems, suggesting it may stop polyps from transforming into malignant tumors.
A study found that docosahexaenoic acid (DHA) can directly suppress arachidonic acid-induced proliferation of colon carcinoma cells, while also reducing viability. DHA supplementation may be a powerful tool to counteract AA- and PGE2-promoted colon cancer cell growth.
A study published in Archives of Internal Medicine found that mail reminders increased colon cancer screening rates by 44% compared to non-reminded patients. Electronic physician reminders also showed promise, especially among patients with three or more primary care visits, resulting in a 59.5% screening rate.
Mayo Clinic researchers have found a promising drug candidate to prevent colon cancer development in mice. The study's senior investigator suggests that targeting PKCß and PKC/ isozymes could help prevent initial cancer development and progression, respectively.
A comprehensive analysis of 52 studies found that physical activity significantly lowers the risk of colon cancer. Regular exercise is associated with a 24% lower risk, regardless of intensity or duration.
Research suggests that gut bacteria convert linoleic acid into conjugated linoleic acid (CLA), which has anti-cancer properties and may provide therapy for inflammatory bowel disease. The 'good' form of CLA is found in dairy products.
A study published in the Journal of Nutrition reveals that quercetin can help prevent colon cancer by reducing inflammation and promoting apoptosis. Quercetin is a natural compound found in many plant-based foods, including vegetables and fruit.
Scientists have discovered a link between chronic inflammation and colon cancer, with the Stat3 protein playing a crucial role in tumor development. The study found that stimulation of Stat3 by inflammatory chemicals promotes cell survival and growth, leading to increased colonic tumor incidence.
Researchers found that mice lacking Smad3 are acutely sensitive to bacterially-induced inflammation and cancer. Chronic inflammation stimulates cancer development.
Researchers at the University of Cincinnati have identified a potential biomarker for predicting colon cancer risk and progression. They found genetic hotspots that regulate gene expression, which could be used to identify individuals at higher risk of developing aggressive colon cancer.
A newly identified gene MACC1 has been found to be a powerful predictor of colon cancer metastasis. Patients with low MACC1 levels have a longer life expectancy compared to those with high MACC1 levels.
A recent study published in Annals of Internal Medicine concludes that screening colonoscopy is associated with fewer deaths from colorectal cancer, but primarily on the left side. The findings emphasize the need for skilled physicians to perform effective colonoscopies.
A Canadian study found colonoscopy is associated with lower death rates from colorectal cancer, but raises concerns about detection of lesions on the right side of the colon. Patients are urged to seek a qualified gastrointestinal endoscopist to perform a thorough colonoscopy.
A new study by American College of Physicians reveals that colonoscopy strongly reduces mortality from left-sided colorectal cancer, while offering little benefit against right-sided cases. The researchers suggest factors such as incomplete examinations and varying tumor biology contribute to these limitations.
A Northwestern University team developed partial-wave spectroscopy (PWS) to detect subtle abnormal changes in human colon cancer cells. The technique can identify cell nanoarchitecture and detect changes before conventional microscopy can.
Researchers found two insulin-related proteins that predict survival chances in colorectal cancer patients. High IGFBP-1 levels were associated with lower mortality rates, while high C-peptide levels increased the risk of overall death and other conditions.
Researchers have developed a model predicting recurrence in early-stage colon cancer patients and sensitivity to chemotherapy and targeted therapies. Gene expression analysis reveals specific patterns associated with higher cancer risk, enabling targeted treatments to prevent recurrences and improve survival rates.
A recent study found that regular physical activity can lower a woman's overall risk of cancer, but only if she gets a good night's sleep. The study, published by the American Association for Cancer Research, suggests that short duration sleep can undermine exercise's cancer prevention benefits.
Research reveals vitamin D's role in regulating colon cancer cell behavior by modulating gene expression and cytoskeleton structure. The study highlights a previously unknown pathway governing vitamin D's diverse effects on cancer cells.
A global initiative aims to collect information on every fault in every gene worldwide, standardizing the reporting of genetic mutations. The project has been published in the journal Science and involves international collaboration between researchers from Australia, China, Japan, and Kuwait.
Scientists have discovered similarities in a region of chromosome 7q31 among siblings with colon cancer, suggesting a potential gene cause. Siblings sharing this genetic region tend to develop cancer 3.8 years earlier than non-sharing siblings.
Researchers have discovered a novel marker for colon cancer, revealing differentially expressed genes that can help identify diagnostic and therapeutic targets. The study's findings provide new insights into the progression of colon cancer and may lead to improved patient outcomes.
The VCU Massey Cancer Center will conduct two studies to examine delays and disparities in colon cancer diagnosis and physician communication patterns based on race and gender. The first study focuses on appraisal delays, while the second study uses trained actors to simulate patient interactions with primary care physicians.
Researchers at Mayo Clinic developed a probe that can detect cancerous cells in the colon with 90% accuracy, reducing the need for unnecessary polyp removal. The probe-based confocal laser endomicroscopy system could potentially cut colon polyp removal in half.
Researchers developed a fiber optic technology to measure blood levels in the colonic lining, detecting an early increase in blood supply associated with proximity to neoplasia. The findings suggest this technology could be a valuable screening tool for enhancing polyp detection and improving colon cancer prevention.
A new JAMA study reveals a genetic link between obesity and colon cancer risk, showing those with a common genetic variant of ADIPOQ carry up to 30% reduced risk. This finding may lead to improved screening and early detection for colon cancer through lifestyle changes such as diet and exercise.
A new study published in JAMA found that black Americans have a higher occurrence of colon polyps compared to white patients. The research suggests that black men and women are at greater risk for serious polyps, emphasizing the importance of regular screening among this demographic.
A team of scientists has discovered that a molecule produced by a common gut bacterium activates signaling pathways associated with cancer cells. The research, published in the Journal of Medical Microbiology, sheds light on the way gut bacteria can cause colon cancer.
A nationwide study confirms virtual colonoscopy's accuracy in detecting colorectal cancers and pre-cancerous polyps as high as traditional colonoscopy. This minimally invasive procedure has been endorsed by the American Cancer Society, offering a safe and non-invasive screening option for millions of Americans.
A large study found that rescreening average-risk individuals after a normal initial colonoscopy every five years is sufficient to determine the optimal screening interval. The study's findings contradict previous recommendations of 10-year screenings and may impact screening costs and individual follow-up rates.
Researchers at UC Davis have developed an interactive multimedia computer program to provide personalized education on colorectal cancer screening. The program aims to increase screening rates among Hispanic patients, who are less likely to receive screenings compared to non-Hispanic whites.
Scientists at Dana-Farber Cancer Institute have identified a previously unsuspected gene, CDK8, as a cancer-causing gene in many colon cancers. The study suggests that blocking CDK8 may be useful against tumors driven by overactive beta-catenin.
A Northwestern University study found that over 60% of US hospitals do not comply with the recommendation to examine 12 lymph nodes after colon cancer surgery, leading to improved survival rates when more nodes are checked.
A Singaporean research team reports that the RUNX3 gatekeeper gene is inactivated at an early stage of colon cancer. The study suggests that reactivating this gene could lead to a diagnostic test and therapeutic target. This finding builds upon previous knowledge of tumor suppressor genes disrupting APC, leading to cancer development.
A study published in the Journal of the National Cancer Institute found that only 38 percent of U.S. hospitals were compliant with the guideline to examine 12 or more lymph nodes in colon cancer patients by 2004-2005, despite being recommended since 1997. Compliance increased from 15% to 38% over the eight-year period.
Researchers found that a subtle difference in gene activity is responsible for one in every 10 colon cancer cases. The study identified a specific gene, TGFBR1, which normally protects against cancer, and its abnormal expression increases the risk of colon cancer nearly nine times.
A comprehensive study of 31 countries found significant variations in cancer survival rates, with the US and Europe experiencing lower survival rates compared to other regions. The study reveals a racial gap in cancer survival between black and white populations in the US, with blacks facing a 7-14% lower survival rate.
Researchers at Johns Hopkins Medicine identified a deadly combination of gene activity in breast and colon cancers, leading to poor patient outcomes. The study found that epigenetic changes contribute to cancer aggressiveness by disrupting normal biochemical pathways.
The American Association for Cancer Research has awarded $1.8 million to three researchers to study genetic signatures, epigenetic staging, and individualized therapy for metastatic colon cancer. The grants aim to accelerate the discovery of new treatments and improve patient outcomes.
A Northwestern University biomedical engineer has developed optical technology that can detect colon cancer early and is now being tested in large-scale clinical trials. The tests aim to predict the presence of colon cancer with adequate sensitivity, potentially leading to a routine screening test.
Researchers at Thomas Jefferson University have developed a new type of colon cancer vaccine that reduces the spread of disease in mice. The vaccine targets mucosal cells and induces an immune response against cancer, leading to fewer metastases and prolonged survival.
A recent study published by Dr. Nicolas Christou of the McGill University Health Centre (MUHC) suggests that bariatric surgery reduces the risk of developing cancer by up to 80% in morbidly obese patients. The research, which compared over 1,000 patients who underwent bariatric surgery with those who did not, found significant decrease...
A new study by scientists at Dana-Farber Cancer Institute found that patients diagnosed with colon cancer who had abundant vitamin D in their blood were less likely to die during a follow-up period. The researchers identified 304 participants and followed them until death or 2005, whichever occurred first.
Researchers at Columbia University's Mailman School of Public Health discovered that the prevalence of pre-cancerous masses in the colon is similar between patients aged 40-49 and 50-59. The study suggests that starting colon cancer screening at age 40 may help decrease its prevalence and save more people from the disease.
A family history of colorectal cancer is associated with a significant reduction in cancer recurrence and death, especially among patients receiving chemotherapy treatment. The study found that having more affected first-degree relatives further increased the protective effect, suggesting a distinct underlying molecular mechanism.