Articles tagged with Biomarkers
A new biomarker predicting survival in colorectal carcinomas has been discovered, with thymidylate synthase levels in the nucleus and cytoplasm identified as critical markers. The ratio of nuclear to cytoplasmic TS levels also predicts decreased survival, revealing a new potential biomarker for patients with worse prognosis.
The Osteoarthritis Initiative (OAI) has released its first set of data, featuring images and clinical outcome information for nearly 5,000 participants at risk of knee osteoarthritis. The data will facilitate the discovery of biomarkers for development and progression of OA.
A study published in Biochemistry reveals that damage to proteins caused by oxidative stress is linked to a natural byproduct called nitration, which could be used to predict the earliest stages of brain impairment. The research uses the most detailed proteomic analysis of a mammalian brain to date.
Researchers found that certain fatty acid ethyl esters (FAEEs) in meconium are indicative of fetal exposure to alcohol during pregnancy. The presence of these biomarkers was significantly higher in infants exposed to alcohol, suggesting potential as a reliable indicator of fetal alcohol effects.
New research finds ancient oil droplets containing biomarkers from eukaryotes and cyanobacteria that lived before the planet's glaciation, contradicting previous theories. The study suggests oxygen was produced long before the atmosphere became oxygenated, supporting life in extreme conditions.
Researchers have identified new biomarkers that correlate with patient response to anti-TNFá therapy, improving the treatment of spondylarthritis. The study found changes in synovial tissue features, such as macrophage and PMN cell changes, associated with disease activity and treatment effectiveness.
Researchers have developed a completely penetrant mouse model of head and neck squamous cell carcinoma, recapitulating the human disease at both pathological and molecular levels. The model enables testing of combinations of targeted therapies and prevention approaches for HNSCC.
Precision biochemistry techniques track DNA damage in fish, identifying low-level lesions that correlate with pollution. These biomarkers can provide a direct measure of contaminant impact and assess pollution remediation efforts.
Scientists from the University of Florida's Institute on Aging found that reducing calories by 8% and exercising moderately extended lifespan and improved liver function in rats. This discovery suggests that even slight calorie moderation can have significant effects on health, with potential implications for human aging.
A UK study found that saliva can be tested for signs of periodontal disease, a condition characterized by persistent inflammation and tissue breakdown. The research team identified biomarkers in saliva that could aid in diagnosing and monitoring the disease.
Researchers have identified a multi-marker panel of 20 proteins that correctly recognize over 98% of serum samples from women with ovarian cancer, offering higher diagnostic power than any other published assay. The study uses novel technology to analyze multiple proteins in a single drop of blood or serum and aims to develop this scre...
Researchers at Purdue University have developed a fast chemical-analysis tool called desorption electrospray ionization (DESI) that can detect cancer, explosives and biomarkers. The technology has numerous promising uses in fields such as airport security, medical diagnostics and disease detection.
Scientists have developed a standardized saliva RNA test for oral cancer detection, showing high accuracy rates in detecting oral cancer. The test has been confirmed to be highly accurate in identifying four saliva oral cancer RNA biomarkers, reducing mortality and morbidity for oral cancer patients.
Researchers have identified new molecular indicators of aging in the skin that could be used to evaluate anti-aging therapies. The biomarkers are changes to the DNA of cellular organelles called mitochondria and correlate with the aging process.
Several biomarkers emerged as potentially clinically useful in predicting CAD-related and all-cause death. Increases in plasma levels of IL-6 and total homocysteine were associated with higher risks of death in patients with known CAD.
Researchers used high-tech brain imaging and measurement of beta-amyloid protein fragments in cerebrospinal fluid to detect Alzheimer's disease. The study found that greater amounts of beta-amyloid containing plaques were associated with lower levels of amyloid-beta 1-42, a major component of amyloid plaques.
Researchers at Yale University School of Medicine used Automated Quantitative Analysis (AQUA TM ) technology to standardize biomarker detection methods. The study found that antibody concentration can dramatically alter the relationship between biomarker levels and clinical outcome, particularly for breast cancer biomarkers.
A study by David L. Rimm and colleagues found that high biomarker antibody concentrations were associated with low patient survival in breast cancer patients, while low concentrations were linked to good outcomes. Another study examined the impact of long-term storage on circulating DNA levels in lung cancer patients.
Researchers found two biomarkers, sVCAM-1 and NT-proBNP, significantly predict recurrent ischemic stroke risk in patients. High levels of these markers are associated with a 3.6 times increased risk, indicating potential new therapeutic targets for blood pressure-lowering therapies.
Researchers have identified a strong biomarker, MDM2, that predicts more aggressive forms of prostate cancer. This overexpression is associated with an increased chance of metastasis and death from the disease.
A team of researchers developed a tracer molecule to highlight beta-amyloid in PET brain scans, aiming to diagnose Alzheimer's disease earlier. PET biomarkers could also evaluate the effects of drugs on the brain, potentially improving treatment outcomes for neurodegenerative conditions.
A Yale University study will examine dietary calcium insufficiency in inner city infants, highlighting the alarming trends of decreased calcium intake over the past 30 years. The research aims to establish guidelines for calcium in infants below age three and predict a 10-20% prevalence of abnormal biomarkers.
Researchers emphasize the need for early detection and monitoring of alcohol abuse to prevent dependence issues. Emerging biomarkers, such as genetic analysis, hold promise for accurate diagnosis and treatment compliance.
A recent study published in Archives of Neurology suggests that variations in p-tau 231 levels can predict the structural progression of Alzheimer's disease. The biomarker has been shown to discriminate between AD patients and those with other neurodegenerative disorders, with high accuracy in detecting early-stage disease.
A recent study has associated high expression of interferon-inducible genes with increased disease severity in SLE patients, including kidney disease. The findings suggest that determining the expression of these genes may help select patients for clinical studies.
A new painless diagnostic test for Sjögren's syndrome could be available in two to three years, promising faster diagnosis and reduced severity of symptoms. The test involves analyzing teardrops collected from patients' eyes, which may help identify specific protein biomarkers for the disease.
Researchers found abnormally low levels of N-acetylaspartate in methamphetamine users, but elevated choline levels in early abstainers, suggesting some degree of normalization over time. The study's findings have important implications for understanding addiction and substance abuse treatment.
A new study published in The Lancet identified a biomarker NGAL that can detect kidney failure hours after cardiac surgery, offering hope for earlier diagnosis and treatment. The research found high concentrations of NGAL in urine and blood samples within two hours of surgery, indicating the presence of kidney failure.
Researchers have found a novel biomarker, neutrophil gelatinase-associated lipocalin (NGAL), that can detect kidney failure in children after cardiac surgery in as little as two hours. This early diagnosis enables timely administration of effective therapeutic measures to prevent further complications.
Researchers identified protein biomarkers in amniotic fluid linked to preterm labor, predicting success of cervical stitching. The study also found additional biomarkers suggesting other causes of preterm birth.
Scientists at Northwestern University have developed a new diagnostic test for Alzheimer's disease using bio-bar-code amplification technology. The test can detect miniscule amounts of a toxic protein in human cerebrospinal fluid, which may be responsible for early neurological deterioration.
A $9.7 million grant led by Fred Hutchinson Cancer Center aims to create reliable and inexpensive blood tests for early cancer detection. The collaboration involves institutions worldwide, with a focus on identifying serum biomarkers and protein patterns to detect disease at an early stage.
Researchers at the University of Pittsburgh identified abnormal levels of protein erythrocyte-C4d in patients with lupus, showing high diagnostic sensitivity and specificity for the disease. This finding may lead to improved diagnosis and treatment options for patients with lupus.
Researchers at OHSU have discovered a possible method for early detection and prevention of premature birth by identifying biomarkers associated with intra-amniotic infections in both animal and human studies. The breakthrough technology has the potential to save young lives and may lead to significant health benefits.
Researchers have discovered biomarkers for ALS in cerebrospinal fluid, which could enable rapid diagnosis and prompt treatment. These biomarkers have high sensitivity and specificity, and may be used to monitor drug effectiveness in clinical trials.
A Medical College of Georgia study aims to identify specific protein markers in the blood that indicate how ovarian cancer responds to therapy. By analyzing changes in protein expression over time, researchers hope to develop a better understanding of the disease process and create more effective screening tests.
The Osteoarthritis Initiative aims to identify people at risk for OA and monitor disease progression using biological markers. The study will enroll 5,000 adults over five years, collecting data on joint pain, limited movement, and cartilage loss.
Researchers at Pacific Northwest National Laboratory have identified a vast array of 4,000 distinctive proteins in human blood plasma, surpassing previous reports by 10 times. This significant advance paves the way for the early detection of cancer and other diseases.
Elevated PlGF levels in patients with acute coronary syndromes (ACS) and acute chest pain indicate a significantly increased risk of heart attack or death at 30 days. Measuring PlGF levels may provide a powerful clinical biomarker for vascular inflammation and adverse outcome in ACS patients.
Researchers at the University of Pittsburgh Medical Center have identified protein biomarkers that accurately diagnose ALS with near 100% specificity and sensitivity. The findings may lead to a new test for early-stage ALS, enabling faster diagnosis and monitoring of treatment efficacy.
Research suggests green tea consumption may prevent cancer and reduce oxidative DNA damage, with potential chemopreventive effects of green tea polyphenols. The study also identified novel EGCG analogs with potent anti-tumor activity.
A study by Pollack and colleagues finds that a high Ki-67 biomarker is linked to increased risk of distant metastasis and death in prostate cancer patients. The researchers also suggest that Ki-67 can help identify high-risk patients who may benefit from alternative treatment strategies.
CYC202 demonstrates significant cancer cell death, with 54% of patients testing positive for apoptosis following single agent treatment. Seven patients experienced long-lasting tumour stabilisation in Phase I trials, showcasing potential for selective treatment based on genetic profiles.
Researchers at PNNL and UCLA have discovered six times more proteins in NAF than previously identified, suggesting its potential as a biomarker for breast cancer. The study aims to develop a more accurate, non-invasive method for early diagnosis.
Researchers identified a strong association between EZH2 and ECAD biomarkers and prostate cancer recurrence. Moderate or strong expression of EZH2 coupled with at most moderate expression of ECAD is most strongly associated with biochemical recurrence.
A new study has found that cerebrospinal fluid biomarkers may be effective in detecting early stages of Alzheimer's disease, with a sensitivity of 92% and specificity of 89%. The researchers suggest that these biomarkers could be used to identify people at risk of developing the disease.
A new study finds that ethyl glucuronide (EtG) is a highly effective and sensitive marker of recent alcohol use, detecting consumption up to 80 hours after complete elimination. The marker helps identify patients who have lapsed or relapsed in treatment, ensuring they are alcohol-free for work and other activities.
This year's AACR honorees have made significant advances in understanding and treating cancer. The winners include Mario R. Capecchi, Ronald A. DePinho, Carlos L. Arteaga, Malcom F. Stevens, Martin J. Blaser, David S. Alberts, Graham A. Colditz, Janet D. Rowley, who will receive awards for their outstanding research in various areas of...
Researchers found a connection between HIV antiretroviral therapy and impaired triglyceride metabolism, increasing risk of atherosclerosis. Elevated ApoC-III levels were associated with higher triglycerides in both treatment groups.
The Fred Hutchinson Cancer Center is developing a blood test for breast cancer detection, using biomarkers such as circulating breast-tumor cells and growth factors. The project aims to improve breast-cancer detection and diagnosis by complementing mammography with molecular-screening tools.
The Osteoarthritis Initiative will recruit 5,000 participants aged 50+ at high risk for knee osteoarthritis. The project aims to establish a natural history database for osteoarthritis, allowing researchers to identify potential new disease targets and develop tools for understanding disease progression.
Researchers analyzed biomarker data from over 700 healthy men and 60 rhesus monkeys, finding lower body temperatures, blood insulin levels, and higher DHEAS levels in those on a calorically restricted diet were associated with longer lifespan. The study suggests potential for developing compounds that mimic the benefits of caloric rest...
Researchers develop surface-enhanced laser desorption/ionization time-of-flight mass spectrometry (SELDI) for identifying potential biomarkers of early stage breast cancer. The study achieved high sensitivity and specificity, suggesting SELDI may lead to the discovery of additional biomarkers.
Researchers from SurroMed and Penn State University have developed Nanobarcodes particles, which can identify individual particles using optical microscopy. This technology enables multiplexed bioassays in solution, revolutionizing life science research and disease diagnosis.
A study published in The American Journal of Clinical Nutrition found that two major US dietary patterns, prudent and Western, result in distinct health risks. The prudent diet was associated with a favorable biomarker profile, while the Western diet was linked to higher plasma levels of biomarkers for cardiovascular disease risk and l...
A study discovered a link between lower platelet adenylyl cyclase activity and increased risk of alcoholism. Recent alcohol consumption was found to be a confounding variable, and other factors such as major depression and hyperlipidemia were also associated with low AC activity.
Researchers discovered that high levels of BAG-1 protein correlate with better long-term survival and overall survival rates for women with early breast cancer. The study found a significant difference in 10-year survival rates between women with high and low BAG-1 protein levels.
Free-radical activity was found to be roughly doubled in the frontal and temporal lobes of brains of people who died of Alzheimer's disease. The levels of two biochemical markers of free-radical tissue damage were also elevated in these areas, which are critical for memory and intellectual function.