Articles tagged with Biomarkers
A low-glycemic diet has been shown to arrest damage to the retina and halt the development of age-related macular degeneration (AMD) in mice. The study identified potential biomarkers, including AGEs and oxidized fats, that can be used to predict AMD risk.
Researchers found that injecting an anti-inflammatory steroid directly into the tissue surrounding a leg artery reduced inflammatory biomarkers and prevented repeat blockages. The treatment showed promise for improving treatment outcomes for patients with peripheral artery disease.
Researchers found that white blood cell counts at baseline and during therapy predict whether patients will respond to nivolumab treatment. A greater number and concentration of natural killer cells were associated with response to treatment.
A new biomarker, GDF15, has been identified as a potential predictor of vision loss in glaucoma patients. The biomarker, which measures stress to cells rather than cell death, was found to be elevated in mice and humans with glaucoma, correlating with disease severity.
A single blood test measuring glycated CD59 at week 24-28 of gestation identified women with GDM with high sensitivity and specificity. The study found that median levels of plasma GCD59 were 8.5-fold higher in women who failed the GCT and 10-fold higher in women diagnosed with GDM.
Using neuroimaging techniques and multivariate statistical models, researchers found that people with older-than-chronological-age brains are more likely to experience deteriorating conditions and early death. Combining brain-predicted age with DNA-related epigenetic biomarkers improves mortality predictions.
Researchers are developing new CT and MRI scan techniques to identify early signs of drug-induced liver and lung disease, potentially saving time and money. The TRISTAN project will use imaging biomarkers to develop predictive models for safer drug development.
Researchers at Brigham Young University have developed a lab on a chip that can predict preterm births with up to 90% accuracy. The device takes a finger-prick's worth of blood and measures biomarkers associated with preterm birth, providing an early warning system for doctors.
Researchers identified urinary biomarkers that distinguish between children with Down syndrome who have and don't have obstructive sleep apnea. The study found significant differences in biomarker signatures between all participants with Down syndrome and typically developing children, regardless of OSA presence or absence.
A new study examines how well biobank donor families understand the risk and implications of a potential confidentiality breach. Families who donate tissue are often willing to trade access to research results for absolute confidentiality.
Scientists at Ruhr-University Bochum have established a new process for identifying biomarkers in cancer diagnosis, utilizing infrared spectroscopy. The method enables precise analysis of protein changes in tumor tissue, facilitating personalized therapy.
Researchers discuss the challenges of understanding genomic data, including incidental findings and false-positive results. The authors highlight the need for informed patient preferences, risk assessment, and knowledge of compensating variants to navigate these complexities.
High-intensity physical activity for as little as 10 minutes a day may benefit young people with large waist measurements and elevated insulin levels. The study found that vigorous exercise was associated with reduced waist circumference and insulin levels, but had inconsistent effects on other biomarkers.
Researchers propose a new approach to treating Parkinson's disease by identifying specific symptoms and molecular features of individual patients. By developing biomarkers and tailoring therapies to distinct patient subtypes, scientists aim to improve treatment outcomes and potentially slow or cure the disease.
Researchers identified molecules as potential biomarkers for early detection of type 2 diabetes, up to nine years before diagnosis. SIB's role in IMIDIA project demonstrates its unique value and capabilities as a competence center in large-scale health-data projects.
The Critical Path Institute has launched a consortium to qualify islet autoimmunity antibodies as prognostic biomarkers for Type 1 Diabetes (T1D) research. The goal is to identify individuals at risk of disease progression and develop interventions to prevent or delay the onset of symptomatic T1D.
A study of 18 ACL patients found that higher levels of collagen breakdown at the time of surgery correlate with worse outcomes two years after. This suggests that initial biochemical changes after injury may have a lasting impact on osteoarthritis development.
Researchers at TGen have created the largest dataset to date of extracellular small RNAs, potential biomarkers for diagnosing medical conditions like concussions. The dataset was amassed from ASU student-athletes' biofluids and helmet sensor data, aiming to develop new diagnostic and therapeutic tools.
Researchers are developing new biomarkers to identify high-risk blood clots in cancer patients, with the goal of increasing survival rates. The study will analyze blood samples from underrepresented populations to standardize and validate existing biomarkers.
A study by Arizona State University and Mayo Clinic identified several unique biomarkers, called autoantibodies, that can accurately diagnose Crohn's disease. The discovery has the potential to provide early warning for those at risk of major illnesses, including cancer, autism, and diabetes.
Researchers have created a pioneering nanobiodevice that can isolate cancer biomarkers quickly with high resolution. The device separates microRNA from DNA/RNA mixtures in under 100ms, promising faster and more reliable isolation of microRNA for cancer detection.
A new biomarker called methylthioadenosine (MTA) has been identified as a predictor of death in sepsis patients. Measuring MTA levels can be approximately 80% accurate in predicting patient outcomes, similar to the APACHE II score.
A team of researchers has developed a new technique to identify cancer-causing substances in the urine or blood using an integrated centrifugal microfluidic platform. The device, called Exodisc, can isolate extracellular vesicles from urine within 30 minutes and detect biomarkers for bladder cancer.
Researchers will measure circulating biomarkers in over 17,000 persons enrolled in the Framingham Heart Study to identify new biomarkers for cerebral small vessel disease. The goal is to develop a gold standard for early detection and intervention with treatment.
Adding two blood-borne proteins, TFPI and tenascin C, to the current biomarker CA-19-9 improves the detection of early-stage pancreatic cancer in three cohorts. The combination shows higher predictive value than the individual biomarkers.
Researchers found that an initial diagnosis of acute kidney injury may have been inaccurate for many patients, as the current method of assessing kidney function may be misleading during the initial evaluation. The study identified sets of biomarkers in mouse models that could potentially detect kidney damage more reliably.
Researchers have identified early biomarkers of Huntington's disease in a five-year-old HD sheep, revealing metabolic changes prior to physical symptoms. These findings suggest that the disease affects important bodily processes before they become apparent, and could lead to the development of new treatments.
A new study finds that high levels of a biomarker called nuclear KIFC1 are linked to poor prognosis in African-American patients with triple-negative breast cancer. In contrast, the same biomarker does not affect disease outcomes in white patients, highlighting racial disparities in breast cancer treatment.
A Saint Louis University researcher is using a $363,000 grant to test two molecules as potential biomarkers for four debilitating health conditions: chemotherapy-induced peripheral neuropathy, endometriosis, interstitial cystitis, and vulvodynia. The goal is to develop new painkillers that target these pathways.
Scientists analyzed microRNAs from Ötzi's skin, stomach, and stomach contents to determine their stability over time. They found some molecules were present predominantly in ancient tissues, while others were not detectable.
A Harvard study found that heavy lifting and non-daytime work schedules can decrease fertility in women, especially those who are overweight or over 37. The researchers measured biomarkers of fecundity in nearly 500 women seeking infertility treatment, revealing an inverse association between physical demands and egg yields.
Researchers found that elevated levels of GFAP and UCH-L1 in patients with acute orthopedic injuries did not distinguish between those with and without mild traumatic brain injury. This study highlights the need for caution when using these biomarkers, as false-positive diagnoses could lead to unnecessary imaging.
Researchers at Kumamoto University have developed highly sensitive gas sensors for detecting volatile organic compounds, with the ability to detect biomarkers in the parts-per-billion range. The sensors use anisotropically shaped SnO2 nanocrystals with precise control over particle size and pore distribution.
Perena Gouma's invention uses semiconductor sensors to detect the flu virus in a patient's breath, potentially leading to earlier diagnosis and treatment. The handheld device has far-reaching implications for public health and may help prevent flu epidemics from spreading.
Researchers found that even modest levels of physical activity decreased insulin resistance and biomarkers of inflammation, while sedentary time increased levels of satiety-related chemicals in the blood. The study suggests that physical activity and inactivity may operate through different pathways to modulate disease risk.
Researchers developed an acoustofluidic chip to concentrate fluorescently labeled biomarkers using ultrasound, enabling the detection of smaller particles and boost their signal. The technique shows promise for point-of-care diagnostic applications, including the potential analysis via smartphone apps.
A new study found that serum microRNAs are associated with MRI measures of multiple sclerosis severity, suggesting they could serve as biomarkers. The research identified distinct microRNA sets linked to lesions and atrophy, which may help identify underlying disease processes and guide therapeutic decisions.
Research from Ohio State University Wexner Medical Center finds depression in pregnancy associated with lower BDNF levels, which also predict low birth weight. The study suggests that increasing BDNF through exercise may be a beneficial way to address the issue.
Researchers at Boston University have discovered patterns of biomarkers that predict how well people age and their risk for future age-related diseases. The study, led by Paola Sebastiani and Thomas Perls, used data from over 5,000 participants to identify 26 different predictive biomarker signatures.
Researchers at Northwestern University's Auditory Neuroscience Laboratory have discovered a biological marker in the auditory system that can reliably diagnose concussions. The study found that children who suffered concussions had a distinct pattern in their brain activity when exposed to sound, which could be used to identify them.
A new study found that urinary epidermal growth factor levels provided improved ability to distinguish between patients with kidney involvement and those without. The biomarker was also associated with overall lupus damage, suggesting its potential role in monitoring disease progression.
A team of scientists has developed a miniaturized lab-on-chip approach for detecting cancer DNA biomarkers in blood, promising early diagnosis and treatment. The method uses optofluidic chips to analyze multiple targets on a silicon-based molecular detection platform.
The Special Focus Issue covers multi-analyte measurement of endogenous metabolites using various technologies and statistical techniques. It provides new tools for discovering novel biomarkers in precision medicine.
A new biomarker associated with an overactive stress system has been found in suicidal individuals, according to a study published in Translational Psychiatry. The biomarker, linked to higher cortisol levels, was discovered in cell-free blood plasma of patients who had attempted suicide.
Researchers identified four unique depression subtypes based on brain connectivity patterns, providing potential biomarkers for diagnosis and treatment. These subtypes differ in clinical symptoms and response to transcranial magnetic stimulation therapy.
A DNA methylation biomarker called PITX2 has been identified as a reliable predictor of prostate cancer recurrence. The study found that patients with high PITX2 methylation levels were at significantly increased risk for recurrence. This breakthrough could lead to more personalized treatment strategies for prostate cancer patients.
A study published in ACS Central Science reveals that MAO activity increases with Aβ plaque formation in patients with Alzheimer's, suggesting it could serve as a biomarker for diagnosis and monitoring. The research also identified three distinct phases of MAO activity that change along with disease progression.
A new study finds that inflammatory marker AGP better predicts mortality than IL-6, offering insights for personalized medicine. Researchers used data from 1997 to 2015 on 6545 adults aged 45-69, revealing the potential for inflammation markers to predict disease risk and death.
A new sweat-sensing skin patch can track biomarkers like electrolytes, glucose, and pH to monitor health and fitness. The device was tested in healthy volunteers and showed reliable results with minimal discomfort.
A wearable device measures key biomarkers in sweat to monitor health during exercise and detect diseases like cystic fibrosis. The low-cost, flexible device analyzes biomarker concentrations using colorimetric analysis and provides real-time results.
The Biogerontology Research Foundation and collaborators announce the development of a novel approach to analyzing transcriptomic data sets, titled iPANDA. The system applies deep learning algorithms to identify patient-specific pathway signatures associated with breast cancer patients.
Insilico Medicine developed a novel tool, iPANDA, to derive new insights from gene expression repositories. The method combines precalculated gene coexpression data with gene importance factors for obtaining pathway activation scores, producing highly consistent sets of biologically relevant biomarkers.
The Origami Diagnostics project aims to detect individuals carrying malaria parasites without symptoms, using a paper microfluidics-based test. The test is 100 times more sensitive and retains low cost and simplicity.
Researchers from Mayo Clinic identified a new biomarker for brain and spinal cord inflammation, allowing for faster diagnosis and treatment of patients with autoimmune meningoencephalomyelitis. The biomarker, an antibody targeting glial fibrillary acidic protein, helps diagnose the disease earlier and promotes more effective therapy.
Researchers at Stanford University have identified several biological markers that can measure the progression of Huntington's disease in non-neural tissues. The team found that levels of mitochondrial DNA were elevated in plasma samples from patients with the disease, and P110 treatment corrected these levels.
Researchers have developed a new metabolomics-based screening approach that can identify multiple different inborn errors of metabolism (IEMs) in a single urine sample. This method has the potential to detect numerous IEMs, which were previously detected in various bodily fluids such as blood and cerebrospinal fluid.
The US FDA has awarded Critical Path Institute three grants to develop data standards for HIV treatment, Clostridium difficile-associated diarrhea, and improved animal efficacy studies. C-Path will collaborate with CDISC to create therapeutic area data standards to accelerate clinical research and medical product development.
Researchers at Kumamoto University have developed a new method to detect pancreatic cancer using blood biomarkers, enabling early-stage diagnosis and improving prognosis. The discovery of insulin-like growth factor binding protein 2 (IGFBP2) and IGFBP3 as promising biomarkers shows promise for screening various types of cancer.
The Innovative Medicines Initiative (IMI) SAFE-T and C-Path PSTC have obtained regulatory support from the US FDA and EMA for four new liver safety biomarkers. These biomarkers, including cytokeratin 18, HMGB1, osteopontin, and MCSFR1, show promise in predicting drug-induced liver injury and may improve early prediction of liver toxici...
Researchers aim to create personalized brain signatures for effective PTSD treatment using biomarkers and functional MRI scans. The study will track 160 veterans receiving psychotherapy to evaluate the predictive value of cognitive biomarkers.