Articles tagged with Biomarkers
A novel, automated device has been developed to diagnose glioblastoma in under an hour using a biochip that detects biomarkers. The device requires only 100 microliters of blood and costs less than $2 to manufacture.
Researchers explore fecal calprotectin and C-reactive protein as biomarkers for inflammatory bowel diseases (IBD), with multi-target tools showing promising results. These biomarkers hold potential for improving diagnostic accuracy and monitoring disease activity, leading to more effective IBD management.
Researchers found associations between cardiorespiratory fitness and DNA methylation-based aging clocks in older men, suggesting that active lifestyles may delay biological aging. The study aims to establish fitness reference values to help prevent the onset of diseases associated with aging.
Researchers explore the effect of exercise on age-related biomarkers in human skeletal muscle, revealing its potential to foster healthier aging. The study represents the first quantitative and qualitative analysis of this impact, highlighting the benefits of exercise for age-related diseases.
Researchers at Weill Cornell Medicine have discovered a connection between DNA markers and the aging process. The study found that specific retroelements in the human genome can act as epigenetic clocks predicting chronological age and may be involved in aging.
Scientists created a wearable sensor that can monitor cholesterol and lactate levels on dry skin, enabling early disease detection. The sensor overcomes existing challenges of traditional methods, promising new opportunities for remote patient monitoring and population-wide health screening.
A new study suggests a mouthwash-based test can help physicians predict disease recurrence in head and neck cancer patients by detecting biomarkers in saliva. Elevated levels of CD44 and total protein were associated with increased recurrence risk, highlighting the potential for early detection and reducing morbidity and mortality.
Researchers found that HIV-infected individuals with impaired immune recovery (INRs) have significantly higher expression of IFI27 and IFI6 in their peripheral blood compared to those who recovered well (IRs). A predictive model using these genes, along with age and CD4+ T/CD8+ T ratio, accurately identified INRs. These findings sugges...
Researchers have identified lower levels of certain amino acids in the blood plasma of patients with unexplainable chronic itch, offering a potential breakthrough in treating this debilitating condition. These findings may pave the way for new targeted therapies.
Researchers have developed a suite of parameters that can be used to quantitatively measure different physical characteristics of the lung. The parameters were found to be highly sensitive and specific for diagnosing fibrosis and edema in an animal model, using only five necessary parameters.
A new index uses inflammatory cell proportions to predict tissue healing and outcomes in patients with ulcerative colitis. The index, called the inflammatory cell enumeration index (ICEI), was developed by analyzing data from 220 patients who achieved healing.
A new $3.5 million NIH grant will investigate the complex interplay between traumatic brain injury and genetic risk factors in the development of Alzheimer's disease. The three-year study will use rodents to assess disease progression across different age periods, providing insights into potential early intervention strategies.
Researchers discuss how PROM2 is a predictive biomarker of distant metastases and shorter survival among patients with stage III melanomas. They also demonstrate that runaway metastasis is closely linked to PROM2 overexpression, through increased epithelial-to-mesenchymal transition marker expression and ferroptosis resistance.
Researchers discovered elevated levels of neurofilament light chain protein in Parkinson's disease and dementia with Lewy bodies, suggesting potential early detection methods. The study found different protein patterns between the prodromal stage and established diseases.
Researchers at MedUni Vienna have identified AF1Q as a promising biomarker to predict gastric cancer recurrence risk. The study found that 97.8% of tumour samples had elevated AF1Q levels, associated with higher recurrence risk and lower survival chances.
A head-to-head comparison of six commercial blood tests found that some are accurate enough to replace spinal taps and brain scans in patients with cognitive impairment. The analysis, led by Suzanne Schindler at Washington University School of Medicine, identified reliable tests for diagnosing Alzheimer's disease.
A recent study published in Frontiers in Immunology highlights the crucial role of tissue-resident memory T cells in non-small cell lung cancer. The research found that these cells can significantly impact patient outcomes and guide personalized treatment strategies, particularly those involving immunotherapy.
Tumors with mutations in ERCC2, ATM, or RB1 genes were more likely to be eliminated by cisplatin-based chemotherapy. The study found a correlation between these gene mutations and complete pathologic response to neoadjuvant chemotherapy.
Researchers studied Alzheimer disease blood biomarkers and found a strong association with incident all-cause dementia risk. Biomarker levels increased with age and were linked to dementia starting in midlife.
Researchers found that combining plasma p-tau217 and Aβ42/40 levels could predict early brain Aβ accumulation in people with subthreshold Aβ accumulation. These biomarkers may help screen participants for primary prevention trials.
Researchers found high diagnostic accuracy for identifying Alzheimer's disease using amyloid probability score 2 blood test and p-tau217 levels. The study suggests blood tests could influence clinical care, warranting further evaluation.
Researchers found correlations between MIF and DDT levels with patient survival outcomes in melanoma patients. Higher CD74:MIF and CD74:DDT levels were associated with improved survival and enrichment of inflammatory markers.
Researchers identified tissue-resident CD8 T cells and γδ T cells as key drivers of immunotherapy response in Merkel cell carcinoma patients. Patients with tumors containing these immune cells are more likely to respond to treatment, suggesting potential for enhanced outcomes.
Researchers found a blood test to detect alpha-synuclein protein shows promise for diagnosing Parkinson's disease. The study, published in the Journal of Parkinson's Disease, confirmed that the biomarker is highly sensitive and changes over the course of the disease.
Scientists have successfully collected and profiled lung biomarkers from human breath, developing animal models to identify key markers for early detection of metastatic lung tumors. The research establishes a scientific roadmap for an exhaled-breath test, which may revolutionize the diagnosis and surveillance of human lung diseases.
A distinct TNF-α signaling program has been identified as a key driver of epithelial cancer development, contributing to cell proliferation and invasion. The researchers found that this program is active in both normal tissues and tumors, but its level of activity correlates with tumor aggressiveness.
Mayo Clinic scientists have established criteria for a memory-loss syndrome in older adults that specifically impacts the brain's limbic system. The syndrome, called Limbic-predominant Amnestic Neurodegenerative Syndrome (LANS), progresses more slowly and has a better prognosis than Alzheimer's disease.
Researchers from Jilin University provide a comprehensive overview of brain injury biomarkers, including neuron-specific enolase, ubiquitin C-terminal hydrolase-L1, and neurofilament proteins. These biomarkers can help identify brain injuries and predict disease progression.
A Mediterranean diet-based intervention has been shown to optimize cardiometabolic biomarkers in children and adolescents. The study found that this dietary approach can help improve cardiovascular health in young people, potentially reducing the risk of chronic diseases later in life.
Dr. Rissman's research uses plasma Aβ42/Aβ40 ratio to predict brain amyloid PET positivity and identify individuals at risk for Alzheimer's disease. His findings demonstrate the potential of a blood test to screen for amyloid in preclinical AD trials.
A new study has identified specific RNAs that may help identify stage II colon cancer patients who are likely to benefit from chemotherapy following surgery. The researchers found that certain housekeeping RNAs were up-regulated in patients with recurrence, suggesting their potential role in the metastatic process.
The NTU team created a compact and flexible light-based sensing device, like a plaster, to provide highly accurate biomarker readings within minutes. The device detects glucose, lactate, and urea levels in sweat with ultra-high sensitivity and dynamic range.
Researchers developed a novel liquid biopsy technique to monitor disease evolution in metastatic prostate cancer patients. The method analyzes DNA and RNA in circulating extracellular vesicles, capturing tumor genomics and transcriptomic changes.
Researchers at UCLA Health Jonsson Comprehensive Cancer Center have received a $1.8 million grant to advance personalized cancer therapy for prostate cancer patients. They aim to predict and prevent long-term side effects from radiation treatment, improving quality of life for men diagnosed with the disease.
Researchers have discovered a new diagnostic method for PSP by analyzing protein biomarkers in spinal fluid, which could lead to earlier diagnosis and targeted therapies. The high-throughput technology allows for the measurement of thousands of proteins in a tiny drop of fluid, providing a promising solution for identifying the condition.
Researchers at the University of Gothenburg developed an AI model called Candycrunch to automate the analysis of glycan structures in cancer cells. The model can identify abnormal structures and biomarkers in just a few seconds, accelerating the discovery of new treatments.
Researchers found that lower adiponectin levels and higher leptin concentrations in parents during pregnancy may predict offspring mental health disorders. These biomarkers could enable early interventions for children at risk.
Researchers analyzed blood plasma samples from 110 patients infected with Plasmodium vivax to understand how metabolisms were affected during initial episodes versus recurrent cases. The study found that patients with recurrence exhibited modulation in lipid pathways involved in immune system production, while those with first-episode ...
Researchers from University of Helsinki and Stanford University developed more precise methods for transcranial magnetic stimulation (TMS) targeting the brain's electrical responses. The new methods aim to improve treatment outcomes for patients with depression who do not respond to medication or antidepressants.
Xiaohu Xia's research focuses on enhancing diagnostic efficacy of enzyme-linked immunosorbent assay (ELISA) testing using specially tailored nickel-platinum nanoparticles. His goal is to improve disease detection accuracy by more than 300 times, enabling early diagnosis of cancers like prostate and colorectal cancer.
A wearable health monitor developed by Washington State University researchers can accurately measure levels of important biochemicals in sweat during physical exercise. The device has the potential to track health conditions and diagnose common diseases, including diabetes, gout, kidney disease, and heart disease.
A new, streamlined urine DNA test detects primary bladder cancer more accurately than current methods, potentially reducing the need for invasive cystoscopy. The test shows high sensitivity and specificity, even for detecting high-grade noninvasive papillary carcinoma.
Researchers analyzed three tumor markers for associations with radiographic response and clinical outcomes in NSCLC patients. The study found that CEA, CA-125, and CA-19-9 were associated with progression and radiographic responses in NSCLC.
Researchers found that colder temperature exposure increases oxidative stress in the nasal cavity, leading to worsened asthma symptoms in children. The study used nasal fluid samples and measured malondialdehyde (MDA) levels as a biomarker of oxidative stress.
Researchers developed two clinical ageing clocks, PCAge and LinAge, that use blood tests, a urine test, and a health questionnaire to estimate future mortality risk. These clocks show significant predictive efficacy in characterising individual future ageing trajectories.
Researchers have developed a blood test that can detect rare forms of dementia, such as frontotemporal dementia (FTD) and progressive supranuclear palsy (PSP), as well as amyotrophic lateral sclerosis (ALS). The test uses biomarkers, including tau and TDP-43 proteins, to identify underlying pathology.
A team of researchers has developed a simple blood test that uses artificial intelligence (AI) to predict Parkinson's disease up to seven years before the onset of symptoms. The test analyzes a panel of eight blood-based biomarkers with concentrations altered in patients with Parkinson's, providing a diagnosis with 100% accuracy.
A new machine-learning model using serum fusion-gene levels predicts HCC with an accuracy of 83-91%, significantly improving upon current biomarkers like serum alpha-fetal protein. This breakthrough tool may help identify patients at risk and monitor cancer recurrence, leading to improved survival rates.
Researchers found that nasal microbiota of ICU patients with sepsis is significantly lower in community richness and has distinct compositions compared to non-septic patients. Key bacterial genera such as Corynebacterium, Staphylococcus, Acinetobacter, and Pseudomonas were enriched in the nasal microbiota of septic patients.
The study highlights the potential of omics research and AI tools to disentangle the molecular drivers of Alzheimer’s disease. Key findings include the identification of novel biomarkers for early detection and therapeutic targets, as well as the exploration of genetic factors contributing to AD risk and progression.
Researchers discovered that T-cell aging is not limited by organismal age, and healthy T cells can proliferate indefinitely. The epigenetic clock of T cells shows that death is not the end, and these cells do not plateau with age, defying traditional notions of cellular aging.
A cohort study found that severe dust exposure increased the risk of dementia in World Trade Center responders under 65. Using personalized protective equipment may prevent this age of onset, according to the research.
A new biomarker database, Space Omics and Medical Atlas (SOMA), has been developed to improve astronaut health, but its findings may also be useful for people on Earth with limited mobility or bedridden conditions. The database provides insights into short and long-term health impacts of spaceflight.
Researchers developed a Single Data Dictionary to predict outcomes for people with TBI, combining factors like social support, health, and biological markers. The dictionary aims to provide personalized care and rehabilitation, improving quality of life for patients and reducing negative impacts on families and society.
The Association for Molecular Pathology has published guidelines for tumor mutational burden (TMB) testing, aiming to standardize calculation and reporting of TMB as a predictive biomarker for immune checkpoint inhibitor therapies. These recommendations emphasize the importance of comprehensive methodological descriptions in publications.
Researchers developed a novel radiotracer to detect Claudin18.2 in gastrointestinal cancers, allowing for early diagnosis and targeted therapy optimization. The radiotracer enables whole-body PET imaging within one day, increasing compliance and reducing radiation exposure.
A study of over 10,000 US adults found a strong association between pro-inflammatory diets and elevated NT-proBNP levels, indicating potential increased cardiovascular risk. The research suggests that dietary inflammatory index may be an important factor in heart failure biomarker levels.
A small study compares healthy brains of young and old, finding normal ageing associated with increased blood-brain barrier permeability in Alzheimer's Disease vulnerable areas. This increased permeability may contribute to disease progression.
The discovery of Helicolocellus fills a 160-million-year gap in the sponge fossil record and suggests non-biomineralizing sponges existed in the Precambrian. The study bridges the Ediacaran and Cambrian fossil assemblages, providing insights into animal evolution.
Researchers discuss Ibrutinib, a BTK inhibitor approved for chronic lymphocytic leukemia treatment, noting 20-25% of patients experience dose-limiting cardiovascular toxicities. A recent study identifies genetic biomarkers, such as KCNQ1 and GATA4, associated with cardiotoxic events, which may improve risk stratification.