Articles tagged with Biomarkers
A study explores the use of optical coherence tomographic angiography (OCTA) to analyze retinal changes in people with preclinical Alzheimer's disease. Researchers found certain retina alterations were more common among those with preclinical AD, suggesting potential for non-invasive early detection.
Researchers have identified 50 stool proteins that are consistently elevated in patients with inflammatory bowel disease. These biomarkers could help diagnose the condition earlier and more accurately, allowing for quicker treatment. The findings also suggest a potential self-care kit for monitoring the disease.
A novel saliva-based panel is being developed to aid clinicians in the early diagnosis of autism spectrum disorder based on changes in oral microbial communities. The study found altered microbial gene expression patterns associated with energy processing and lysine degradation, indicating potential biomarkers for ASD.
Researchers at Ohio State University found a strong link between hostility in marriages and the presence of bacteria in the bloodstream, leading to inflammation. Lifestyle changes such as healthy diets and probiotics may help mitigate this effect.
Guidelines for discovering Parkinson's biomarkers aim to develop new treatments, focusing on biomarkers within the disease itself. The research emphasizes collaboration and access to biobanks containing thousands of biological samples.
Researchers analyzed animal fat residues to link a 8,200-year-old climate shift in Greenland with changes in a human settlement. The study found correlations between the climate event and shifts from cattle herding to goat herding and changes in dwelling structures, ultimately leading to settlement abandonment.
Researchers explore novel concepts and approaches to stroke rehabilitation, highlighting the potential of biomarkers to predict motor recovery and outcomes. Brain-machine interfaces are also shown to promote recovery in patients with severe paralysis.
The myfood24 online diet monitoring tool has been shown to be as effective as traditional methods in providing detailed nutrient data. The study compared its performance with a gold standard measure, finding it to be comparable across various measures.
A recent study published in the Journal of the American Heart Association found that older adults who spend less time sitting and more time engaged in light to vigorous physical activity benefit from healthier levels of heart and vessel disease markers. The results showed that increased physical activity was particularly beneficial for...
Researchers have identified four biomarkers, including a new chemical called verruculotoxin, that may predict signs of first-trimester stillbirth. By analyzing maternal blood, scientists can develop tools to screen for preventable illnesses affecting both women and children.
A new diagnostic blood test developed by Banyan Biomarkers Inc. has been validated to correctly identify 99.6% of patients without traumatic brain injury (TBI) on head CT scans. The test reduces unnecessary head CT scans, radiation exposure and healthcare costs associated with TBI treatment.
A blood test has been shown to accurately identify patients without traumatic intracranial injuries, reducing the need for CT scans. The test uses biomarker proteins released into the bloodstream after a brain injury and showed a high sensitivity rate of 99.6%.
A Stanford University team has created a stretchy patch that measures cortisol levels in sweat, offering non-invasive and continuous monitoring of physiological conditions. The device, which uses a membrane bound to cortisol, detects charged ions in sweat and provides results in seconds.
A new study found that measuring blood telomeres can predict future risk of worsening COPD or death. Azithromycin treatment was shown to help patients with short telomeres stave off negative clinical outcomes, suggesting its potential as a biomarker for patient risk-stratification.
A new biomarker blood test improves lung cancer risk assessment over existing guidelines, capturing risk for people who have ever smoked. The test achieved superior sensitivity and accuracy compared to guidelines for screening approved by the USPSTF for heavy smokers.
Researchers at the University at Buffalo have discovered biomarkers that can accurately identify hypervirulent Klebsiella pneumoniae, a rare but increasingly common strain of the bacterium. The discovery provides a clear roadmap for developing a diagnostic test to optimize patient care and epidemiologic surveillance.
Researchers found elevated levels of tau and ubiquitin C-terminal hydrolase L1 biomarkers after high-acceleration head impacts, even without clinical concussion. The study suggests a potential new avenue for reducing risk to young athletes through technological improvements and game rule refinements.
Researchers at Eindhoven University of Technology have developed a new sensing technology that enables the super-sensitive measurement of biomarker concentrations over time. The technique, called BPM, is based on the mobility of tiny particles in liquid and can detect biomarkers in pico- or nanomolar concentrations.
A multidisciplinary team from UGR has developed software that can analyze heterogeneous genetic expression data to identify potential pancreatic cancer biomarkers. The new integrative system has identified 5 commonly expressed potential biomarkers and 28 novel genes that are differentially expressed in the meta-analysis.
The journal Bioanalysis has released a Special Focus Issue on biomarker assay validation (BAV), highlighting the evolution of regulatory activities and recent developments. The issue features expert opinions and scientific insights into BAV, including parallelism assessments and clinical biomarker validation.
The initiative aims to enrich the world's largest health database with comprehensive metabolic biomarker profiles from 500,000 blood samples. Nightingale Health's technology will measure over 200 metabolic biomarkers in a single blood test.
Researchers developed a computational method called Multi-Omics Factor Analysis (MOFA) to jointly analyze multiple molecular data types from patients, identifying molecular signatures that distinguish individuals. MOFA can help understand cancer development and inform personalized treatment.
Research from the Global Forum on Nicotine highlights reduced cravings for cigarettes after vaping or using iQOS. Smokers who switch to vapour alternatives experience improved health measures, comparable to quitting entirely. Vaping is banned in Thailand, but permitted in the UK.
Researchers have found a blood-based genetic biomarker, KLRD1, which determines an individual's susceptibility to the flu. Those with higher levels of this gene have better immune defenses and are less likely to fall ill.
A possible biomarker for long-term learning has been discovered, which may lead to different educational techniques to improve retention of information. The researchers used EEG to measure students' brain responses to anatomical terms before and after an introductory anatomy class.
Researchers at Rockefeller University have devised an improved method for isolating and identifying tiny fragments of RNA in human blood products, establishing extracellular RNA as a potentially reliable class of biomarkers. The new approach has been successfully tested on 312 blood samples from healthy subjects, confirming the stabili...
A Phase II trial found that adding PARP inhibitor veliparib to standard chemotherapy improved overall response rates and progression-free survival in patients with small cell lung cancer. Researchers identified SLFN11 as a biomarker for patient selection, which may lead to new treatment options.
A new diagnostic test that uses a simple nasal brush to identify mild to moderate asthma has been developed by Mount Sinai researchers. The test, which uses machine learning algorithms and RNA sequencing, can differentiate asthma from other respiratory conditions and is less expensive than traditional pulmonary function testing.
Researchers at Rush University Medical Center identified two biomarkers that indicate patients likely to develop osteolysis, a condition causing joint loosening and potential revision surgery. These biomarkers can be detected up to six years before diagnosis.
A study found that serum NF-L concentrations showed promise as a biomarker for brain injury due to repetitive subconcussive head impacts, but further research is needed. The researchers also observed fluctuations in tau protein concentrations, which did not show significant differences between starters and nonstarters.
The VTC Research Institute is developing a test to diagnose mild traumatic brain injury (mTBI), which can have long-term damage despite subtle or no physical signs. The test combines analysis of multiple biomarkers with imaging and cognitive tests.
Researchers at ETH Zurich have identified volatile biomarkers that can detect malaria in people with no external symptoms. The study found that changes in human odours are characteristic of both acute and asymptomatic malaria infections, allowing for nearly 100% detection rate even at low pathogen quantities.
Distinct profiles of volatile skin emissions were found in malaria-infected individuals compared to uninfected ones. Machine learning models successfully identified asymptomatic infections based on skin volatile profiles, even at low parasite loads undetectable by microscopy.
A recent study found that yogurt consumption can improve the integrity of the intestinal lining and reduce pro-inflammatory molecules, thereby reducing chronic inflammation. The study enrolled 120 premenopausal women who consumed either low-fat yogurt or non-dairy pudding for nine weeks, showing significant improvements in certain key ...
A team of University of Tsukuba-centered researchers discovered a novel biomarker, citrullinated ITIH4 protein, that is highly specific to patients with rheumatoid arthritis. The levels of this protein decreased in correlation with the reduction of disease activity score after effective treatment.
Researchers found that the Ediacara Biota, soft-bodied ocean dwellers, lived off bacterial primary production and organic matter. This suggests they inhabited oligotrophic regions with sufficient nutrients for feeding.
Researchers have developed a groundbreaking technique to detect tumor biomarkers in brain tumors through a simple blood test, potentially eliminating the need for surgical biopsies. The method uses focused ultrasound and tiny bubbles to release tumor-specific biomarkers into the bloodstream.
A new study by University of Gothenburg researchers identifies a superior blood-based biomarker for assessing subtle brain injury after sports-related concussions. The protein neurofilament light (NfL) levels were found to correlate with the severity of concussion and the duration of post-concussive symptoms.
Researchers discovered a gene linked to high fatality rates in P. aeruginosa BSI, which could be used as a novel prognostic biomarker. The helP gene was identified through genetic characteristics and gene expression data of P. aeruginosa strains from patients with a bloodstream infection.
Researchers found specific small molecules in blood plasma accurately predict whether someone has sustained a mild traumatic brain injury (mTBI) or not. The discovery could lead to reliable diagnostics for concussions.
An international team has identified potential biomarkers for irritable bowel syndrome (IBS), a disease affecting one in six people. The study found that IBS-specific proteins and proteases play a key role in triggering nerve activation, providing new evidence for organic causes of the disease.
A peer-reviewed study published in Oncotarget found that OncoDNA's comprehensive testing and analysis services, combining multiple biomarkers, increased oncologists' ability to make informed treatment decisions. The study showed a significant improvement in overall survival for late-stage patients, from six months to over 12 months.
Researchers at IRB Barcelona have found covalently linked beta-amyloid dimers in the brains of patients with Alzheimer's disease. These dimers are preserved during tissue extraction and could serve as new biomarkers for early detection.
A new blood test biomarker has been developed to distinguish between benign and malignant lung tumors with 98% accuracy. This breakthrough technology allows healthcare providers to confidently diagnose and treat patients with low-to-moderate risk nodules, reducing the need for invasive procedures.
The Critical Path Institute has received a $10 million grant from the Leona M. and Harry B. Helmsley Charitable Trust to identify unmet needs for biomarker development in Crohn's disease. The pre-consortium will focus on laying the groundwork for future regulatory endorsement and accelerate the development of new treatments.
Researchers used Bio-Rad's Droplet Digital PCR technology to identify potential epigenetic biomarkers for lung cancer recurrence and detect HPV cfDNA in cervical cancer patients. The studies found associations between biomarker levels and treatment outcomes, indicating the clinical utility of ddPCR technology.
Researchers have identified seven biomarkers that can predict which glioma patients will progress to a more aggressive form of the disease. A biomarker panel could help physicians decide whether more aggressive treatment is necessary to prevent progression.
Researchers have developed a new technology that can characterize gene expression at the level of individual cells in prostate cancer. The technique uses magnetic nanoparticles to trap and analyze circulating tumor cells, allowing for rapid and accurate detection of biomarkers associated with drug resistance.
Researchers have developed an AI algorithm that can accurately predict biological age and mortality risk using wearable sensor data from a large dataset. The model outperforms previous models and has the potential to refine health risks for life and health insurance programs.
Research from St. Jude Children's Research Hospital found that leukemia itself may increase the risk of long-term neurocognitive problems, even before treatment starts. Elevated biomarkers in cerebrospinal fluid indicate injury to brain cells, suggesting a complex interaction among genetics, treatment intensity, and other factors.
Researchers have identified two biomarkers, KIM-1 and NGAL, that can detect acute and chronic kidney damage in children with cystic fibrosis. The study found that these biomarkers increase during exposure to antibiotics, even before a decline in kidney function is detected by traditional methods.
A study by Tampere University found new prostate cancer mechanisms that are not shown by genomic alterations, including changes in the citric acid cycle. Several potential new biomarkers of prostate cancer were also discovered.
A study found that excessive daytime sleepiness in older adults without dementia is associated with increased β-amyloid levels, a key biomarker for Alzheimer's disease. Disrupted sleep may contribute to β-amyloid accumulation and increase synaptic activity in the brain.
A new liquid biopsy platform uses centrifugal microfluidics to isolate and enrich circulating disease biomarkers from patient blood, promising a less invasive diagnostic procedure. The technique, called μCENSE, separates vesicles containing biomarkers using centrifugal force, reducing extraction time from hours to minutes.
A new study identifies novel molecular biomarkers of preeclampsia, which may be used to develop an early diagnostic blood test. The findings suggest that small non-coding RNAs in a pregnant woman's blood can predict the risk of developing preeclampsia.
Scientists have developed a way to identify biomarkers for a wide range of diseases by assessing the antibodies we are making to the complex sugars coating our cells. The new Luminex Multiplex Glycan Array enables rapid analysis of patient samples and glycans, potentially leading to early disease detection and diagnosis.
Researchers are exploring non-invasive biomarker tests to monitor organ transplant patients and prevent rejection. Current biomarkers fall short, but various teams are hunting for new markers such as RNA levels, exosomes, and proteoforms.
Researchers are struggling to develop a reliable roadside test for marijuana intoxication, as THC levels can vary greatly depending on factors such as consumption method and pairing with alcohol. New biomarkers and tests are being explored to improve safety on the roads and address the complexities of cannabis use.
Researchers found that 500-million-year-old macroorganisms, such as Beltanelliformis, were actually colonies of cyanobacteria. The study used biomarkers to determine the composition of ancient organisms, shedding light on the evolution of life on Earth.
A new study has identified protein biomarkers that can help monitor the progression and treatment of Hutchinson-Gilford progeria syndrome (HGPS) in children. The research found levels of more than 40% of proteins to be significantly different in HGPS samples compared to non-HGPS control samples.