Articles tagged with Colon Cancer
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A plant virus treatment, composed of cowpea mosaic virus nanoparticles, has shown remarkable success in improving survival rates and suppressing the growth of metastatic tumors across various cancer models. The treatment was effective even after surgical removal of tumors, indicating its potential to prevent metastasis.
A new study uncovers obscured contributions to microbiome biomarkers in colorectal cancer development, highlighting potential future targets for intervention. The research employs quantitative methods and extensive confounder control to reveal robust associations between certain microbial taxa and CRC.
The newly updated guidelines provide clinicians with the latest recommendations for staging and management of neuroendocrine tumors. The guidelines highlight recent changes for treating these tumors, including emerging molecular imaging techniques known as theranostics.
Scientists have developed mini-colon tissues that can simulate the complex process of tumorigenesis outside the body with high fidelity. These miniature organs mimic the physical structure and cellular diversity of colon tissue, allowing researchers to study colorectal cancer development and test potential therapies.
A study found that deeper sedation using propofol anesthesia increases the detection rate of serrated polyps, a type of precancerous lesion. This may lead to improved screening for colorectal cancer, especially in patients with risk factors.
A nationwide study finds that individuals diagnosed with colon cancer who resided in previously redlined neighborhoods are more likely to be diagnosed with advanced-stage disease and have worse survival rates. The research highlights the long-lasting impact of institutional racism on access to quality cancer care.
New data suggest that blood-based colorectal cancer screening tests could lead to more cases and deaths than established methods, despite improving outcomes for unscreened individuals. The tests are predicted to be less effective and more costly, making them unsuitable replacements for current screening programs.
Researchers found that next-generation sequencing (NGS) identified more patients with microsatellite instability than immunohistochemistry (IHC), potentially leading to thousands of missed diagnoses and patients receiving incorrect treatment. NGS could guide the standard of care towards using this test method instead of IHC.
A new link has been discovered between FBXW7 mutations and EGFR signaling activity in colorectal cancer. The study found that the mutated form of the FBXW7 gene could no longer degrade the EGFR protein, leading to increased signaling activity and a decreased response to anti-EGFR treatment.
Researchers at MIT developed GastroShield, a sprayable gel that prevents bleeding and leakage from weakened gastrointestinal tissues during endoscopic procedures. The gel forms a protective layer that reinforces tissue integrity and promotes healing.
Researchers question whether micronuclei activate the cGAS-STING pathway, a key innate immune response to foreign nucleic acids. The study found that MN more commonly recognizes DNA during cell division without triggering STING activation.
Patients living in areas with severe primary care shortages have a higher risk of emergency surgery, complications after surgery, and readmission. The study highlights the need for efforts to increase training and geographic distribution of primary care providers.
Research reveals micro- and nanoplastics can persist in the human body for longer than previously thought, being passed on to newly formed cells during cell division. The study also suggests these tiny plastic particles may promote the spread of cancer by increasing tumor migration.
Researchers have designed a candidate drug to target the K-Ras G12D mutation, responsible for nearly half of all pancreatic cancer cases. The molecule permanently modifies the mutation, stopping tumor growth in cancer cell lines and animal models.
Researchers define a 'core senescent profile' in human colon fibroblasts, revealing potential driver proteins involved in CRC. The study's findings provide insights into therapies for improving overall health and preventing CRC.
A new study has identified a strategy used by early-stage cancer cells to evade the immune system. By turning on the gene SOX17, these cells create an immunosuppressive environment that prevents them from being detected. This gene helps cancer cells ignore immune messages and grow in the presence of an immune system.
A new study reveals distinct transcriptional programs and molecular features in right-sided colon stem cells, which may help explain the differences in colon cancer development. The research also highlights the importance of CDX2 in regulating stem cell differentiation and tumor initiation.
A new AI-powered system has been shown to detect 40% more polyps during colonoscopies, a crucial step in preventing colorectal cancer. This breakthrough technology uses artificial intelligence to examine every pixel in the image and alert doctors to potential issues, allowing for more accurate diagnoses.
Men with low sperm count or none have a higher risk of developing cancer, including at younger ages, compared to fertile men. Families of azoospermic men have a significantly increased risk of five cancers, while families of oligozoospermic men have a higher risk of colon, bone and joint, and testicular cancers.
A new study from the University of Ottawa proposes using vanoxerine, a drug initially developed for cocaine addiction, to potentially treat advanced colon cancer. Vanoxerine has been found to suppress cancer stem cell activity in colon cancer patients' tissues and tumours implanted in laboratory animals. The drug works by interfering w...
A new stool test, multitargetFIT-test (mtFIT), detects cancer precursors more effectively than the current FIT test, predicting a reduction in new cases of colorectal cancer and mortality. The new test yields more true-positive results without an increase in 'false-positive' results.
A new machine learning model, COLOXIS, uses data from two NSABP clinical trials to predict which colon cancer patients will benefit from the addition of oxaliplatin. The model shows that patients with a signature-positive prediction can derive benefit from oxaliplatin, while those with a signature-negative prediction do not.
Researchers mapped changes in tumor-related bacteria to uncover potential strategies to combat the rise of young-onset colorectal cancer. Unique bacterial signatures were found in tumors from younger patients, including Akkermansia and Bacteroides, which are more likely to have left-sided, rectal, and advanced stage tumors.
Researchers discovered that immune cells called natural killer cells rapidly lose their functionality when entering solid tumours, adopting a dormant state. However, targeting the IL-15 pathway can restore NK cell activity and improve tumor control. This breakthrough could pave the way for new cancer treatments.
A protein called Ku70 can be activated to help overcome bowel cancer by detecting damaged DNA in cells. The protein prevents cancer cells from becoming more aggressive and spreading, keeping them dormant. Researchers hope this breakthrough will lead to improved early detection and treatment methods.
A Baylor College of Medicine study reveals that dietary folate enhances colon cancer risk in an animal model by accelerating epigenetic changes. The findings suggest a direct link between folate intake and increased tumor development, highlighting the need for monitoring food fortification's long-term safety.
A new study by University of California Riverside researchers found that high-fat diets affect not only obesity and colon cancer but also the immune system, brain function, and potentially COVID-19 risk. The study, which analyzed genetic changes in mice fed different types of fat, showed that polyunsaturated fatty acids in soybean oil ...
Researchers found that colon cancer screenings reduce cancer rates by about 0.5 percent, doubling previous estimates of a quarter of a percentage point. This effect is twice the impact of just being invited to screen, suggesting that actual screening rather than just the offer makes a difference.
A novel inhibitor drug, KRB-456, has been discovered to target the KRAS G12D mutation in pancreatic cancer patient-derived tumors. The study demonstrates that KRB-456 significantly inhibits tumor growth in mice, offering a promising therapeutic option for KRAS-driven cancers.
Scientists at Tokyo Tech developed self-folding polymers to create smaller, safer gadolinium-based contrast agents for cancer diagnosis and neutron capture radiotherapy. These nanosized complexes show enhanced tumor accumulation and penetration, reducing toxicity while increasing MRI performance.
Researchers at MUSC and Cincinnati Children's have developed a novel colon organoid model with naturally occurring immune cells. The model has the potential to improve treatment outcomes for colon-related diseases such as cancer and IBD by providing a more complete human organoid system that can be used to model inflammation in the colon.
A team of researchers developed a gel delivery system that overcomes challenges in intratumoral therapy. The gel contains an imaging agent and can hold a high concentration of drug for slow release. In preclinical models, the treatment induced tumor regression and improved survival in immunotherapy-resistant colon and breast cancer.
A long-term study published in Environmental Epidemiology shows a slightly increased incidence of cancer, particularly colon, pancreas, and stomach cancer in men, as well as lymphoma in women. The researchers used new calculation methods to analyze radiation doses from Chernobyl fallout.
Men who are overweight or obese at age 18 have a higher risk of developing 17 different cancers later in life. Higher BMI is also associated with an increased risk of mortality after cancer diagnosis for certain types of cancer.
Researchers at Mainz University Medical Center aim to improve patients' quality of life by applying smart data technology to physical activity. The DECIDE project aims to provide individualized control of patients' daily physical activity, while the RELEVIUM project focuses on alleviating pain and weight loss in pancreatic cancer patie...
Researchers at Duke University developed an innovative antibody approach to target and kill tumor-promoting molecules found in cancer cells. The study revealed notable reductions in tumor growth and minimal side effects, making it a promising new treatment option for various types of cancer.
A large-scale prospective study identified significant variations in the gut microbiome of individuals who developed pre-cancerous colonic lesions. These findings suggest that the microbiome could act as a valuable tool to improve existing tests, advancing early detection methods for colorectal cancer.
A new study published in JNCCN found that intensive local-regional treatment to remove as much tumor as possible did not significantly impact overall quality of life for patients with metastatic colorectal cancer. However, the treatment was associated with a higher risk of adverse events.
TTUHSC researchers received funding for pilot studies on photothermal tumor therapy, clear cell renal cell carcinoma, and colorectal cancer screening in underserved areas. The grants support the purchase of a cell sorter and address regional health disparities.
A new cancer drug candidate has been found to restore the effectiveness of the immune system in fighting tumors, including melanoma, bladder cancer, leukemia, and colon cancer. The drug works by lowering a toxic compound called MTA, which impairs normal functioning of immune cells and blocks immunotherapies.
Researchers developed a low-cost, ultrasensitive blood test to detect a highly specific biomarker for multiple common cancers. The test showed promise for early cancer detection and disease monitoring, detecting levels of the biomarker in the blood of patients with many types of cancers.
Researchers have developed an oral lipid nanoparticle drug that prevents tumor development in mice, demonstrating its potential as a treatment for colitis-associated cancer. The study, led by Georgia State University researchers, used M13-loaded nanoliposomes to target diseased tissue and reduce side effects.
A new poll found that 62% of people aged 50-80 disagree with using life expectancy as a factor in determining cancer screening guidelines. The majority also believes that some older adults should still receive cancer screenings even if guidelines don't recommend them.
A Rice University-led team of researchers has been awarded $45 million to develop a new sense-and-respond implant technology that could improve immunotherapy outcomes for patients with difficult-to-treat cancers. The technology, called THOR, aims to provide real-time data from the tumor environment to guide more effective therapies.
Researchers have identified new genetic markers to detect Lynch syndrome-associated colorectal cancer with 92% accuracy. The discovery could lead to a non-invasive screening option using stool samples, reducing the need for annual colonoscopies and invasive tests.
New research from Cold Spring Harbor Laboratory suggests that high tumor mutation burden does not guarantee an effective immune response in patients with mismatch repair deficiency. The study found that tumors with identical mutations across all cells responded to immunotherapy, while those with subclonal mutations did not.
Researchers have characterised a specialised type of immune cell that plays a key role in protecting and repairing the healthy human gut. Depletion of these cells is linked to inflammatory bowel disease (IBD) progression, with potential implications for treatment options.
A team of scientists at VCU Massey Cancer Center discovered a previously unknown interaction between proteins that supplies energy to tumor cells, holding significant implications for colon cancer treatments. By blocking heat shock protein 27 activity, researchers confirmed a decrease in mitochondrial function and death of cancer cells.
Mayo Clinic researchers found that cells expressing PD-1 and PD-L1 within a certain distance of each other can predict the success of immunotherapy in patients with colorectal cancer. This spatial analysis may help select patients most likely to benefit from treatment, improving outcomes and minimizing unnecessary treatments.
Researchers found that mutations in blood stem cells can promote the development of colitis-associated colon cancer (CAC) by increasing blood vessel formation. Blocking certain drugs, such as axitinib, inhibited CAC tumor growth in mice with clonal hematopoiesis, suggesting potential therapeutic strategies.
Researchers used base editors to introduce specific combinations of activating and inactivating mutations into healthy organoids, creating realistic models for various types of cancer. This allows for further investigation into the development and treatment of cancer, with potential applications including testing new drugs.
A new study estimates that cancer screenings have saved the US at least $6.5 trillion and led to 12 million more years of life, with significant economic impact from breast, colon, cervical, and lung cancer screenings.
A large long-term study found that good cardiorespiratory fitness in young men is associated with a significantly lower risk of developing nine specific cancers, including a 40% reduced risk of liver cancer. Higher fitness was also linked to lower risks of rectal, pancreatic, and bowel cancers.
Researchers have engineered bacteria that can detect tumor DNA in a live organism, using CRISPR technology. The bacteria, Acinetobacter baylyi, were designed to respond to specific DNA sequences associated with cancer, allowing for early detection and potentially preventing disease progression.
A new study published in JNCCN found that the adoption of clinical research results led to a significant increase in the use of shorter adjuvant chemotherapy periods, with CAPOX becoming more widely used. The study also revealed disparities in treatment patterns, with Black patients being more likely to receive shorter chemotherapy reg...
A new study found that 81% of women report persistent GI symptoms years after diagnosis, with abdominal bloating and gas being the most common. The analysis also showed that severe GI symptoms are linked to poor quality of life, social activities, and body image satisfaction.
Researchers found that expression of transcription factors contributes to different subtypes of colorectal cancers. The degree of DNA methylation varies across tissue types, with some cancers having high and others low frequency of methylation gains. Studying transcription factor expression may help determine overall survival in patien...
A new study reveals that the cellular chaperone protein GRP78 migrates to the nucleus under stress and alters gene activities, allowing cancer cells to become more mobile and invasive. This discovery offers potential new approaches for cancer treatment, including down-regulating GRP78 activity or preventing it from binding to ID2.
Researchers identified a new mechanism by which cancer hijacks enzyme substrate motif mutations, enabling tumor growth and therapy resistance. The study found that colorectal cancer hijacks BUD13 mutations to inactivate a key tumor suppressor, Fbw7.
A collaborative study by researchers at the University of Ottawa and McMaster University has made a groundbreaking discovery linking different types of cancers to their embryonic origins. The team found that drugs targeting specific embryonic pathways can effectively treat various tumors, including brain, colon, and leukemia cancers.