Articles tagged with Biomarkers
A genomic study found two previously unreported truncating germline variants in BRCA2, suggesting inherited alterations may contribute to susceptibility to multiple primary lung cancers. The study also points toward important clinical applications, including the use of PARP inhibitors and molecularly targeted approaches for treatment.
Researchers at Tufts University School of Medicine discovered biomarkers that could help clinicians better detect and possibly cure early and persistent Borrelia burgdorferi infections. Anti-lipid antibodies, such as anti-phosphatidic acid and anti-phosphatylserine, may indicate new Lyme disease infections or persistent symptoms after ...
Researchers found PLXNC1 expression is significantly upregulated in CMS4 tumors, serving as an independent risk factor for poor overall survival. Elevated PLXNC1 promotes mesenchymal phenotype, stromal infiltration, and immunosuppressive tumor microenvironment.
Single-cell sequencing resolves responses in various tissues and organs, identifying cells that respond to different exercise modes and doses. This technology enables the development of precision exercise biomarkers for applications in muscle repair, immune regulation, and chronic disease research.
Researchers discovered biomarkers indicating overactivity and dysfunction in the immune system, which can lead to chronic critical illness. Identifying these markers could allow doctors to intervene earlier, leading to shorter ICU stays and improved patient outcomes.
Researchers found frequent silencing of TRAIL-R2 in breast tumors through promoter hypermethylation, associated with invasive ductal carcinoma and advanced tumor stage. Lower TRAIL-R2 expression was linked to more aggressive disease and reduced overall survival.
A team of researchers has identified a distinct blood protein pattern that can accurately diagnose pediatric inflammatory bowel disease and differentiate between its two main forms. The discovery, using proteomics technology, showed high accuracy in identifying IBD and distinguishing ulcerative colitis from Crohn's disease.
Researchers found that patients often wait an average of four weeks for biomarker test results, with the first step taking up to 23 days to order testing. This delay can lead to mismatched therapies, toxic side effects, and reduced treatment options, emphasizing the need for improved testing turnaround times.
A new study by Meike van der Heijden challenges the long-held assumption that activity in easily measured cerebellar cells like Purkinje cells can reliably predict signals in deeper brain regions linked to dystonia, ataxia, and tremor. The research found no significant correlation between Purkinje cell and deep nuclei cell activity.
A study by Okayama University researchers revealed that SARS-CoV-2 antibody levels can assess infection history, symptom severity, and cognitive complications in long COVID. The findings suggest that declining S-antibody levels may indicate a greater risk of neurological complications.
Researchers identify CLASS 3G subtype of EGFR mutation associated with limited response to targeted drugs. This structural subtype alters protein shape, reducing treatment efficacy and allowing for more effective combination therapy.
Researchers identified five immunomodulatory proteins in Borrelia recurrentis that prevent activation of the human complement system, allowing the pathogen to survive in the human body. These Chi proteins also convert plasminogen into active plasmin, giving Borrelia recurrentis a significant advantage in spreading after infection.
Researchers developed a simple blood-based assessment to evaluate high-density lipoprotein's (HDL) cholesterol removal capacity from blood vessel walls. The study linked low HDL function to high-risk coronary plaques, supporting the use of this method for predicting cardiovascular risk.
A new study reveals that the KDM3A/METTL16/PDK1 axis drives glycolysis and overcomes tyrosine kinase inhibitor resistance in non-small cell lung cancer. The research suggests that targeting this axis with PDK1 inhibitors could be a promising therapeutic strategy for overcoming acquired drug resistance.
A study characterizes peripheral immune alterations in systemic juvenile idiopathic arthritis, identifying a distinct CD14+CXCL10+ monocyte subpopulation associated with inflammatory network remodeling and disease activity. The monocyte subset is enriched in active sJIA states and exists in a heightened state of immune surveillance.
Cellular senescence has emerged as a key biological process linked to aging and age-related disease. Researchers have identified major features of senescence, including stable proliferative arrest and the senescence-associated secretory phenotype (SASP), which can influence inflammation and tissue dysfunction.
Researchers at UT MD Anderson Cancer Center have made significant advances in understanding cancer biology, developing AI-powered atlas of tertiary lymphoid structures as prognostic biomarkers, and uncovering drivers of resistance to KRAS inhibitors. Additionally, they have discovered a molecular pathway that drives stressed cells to b...
Researchers developed a novel fluorescent nanosensor to detect IPA, an emerging biomarker linked to gut health and disease. The sensor offers rapid detection within minutes, distinguishing IPA from closely related metabolites, enabling accurate measurement even in complex biological environments.
Researchers found biomarkers for Alzheimer's disease that correlated with minor cognitive differences in midlife adults. These biomarkers, measuring tau and amyloid plaque, were associated with a greater chance of cognitive decline, particularly in processing speed and executive function.
Researchers found that impaired virtual reality path integration was closely tied to brain structure and biomarkers associated with neurodegeneration. This suggests that VR-based navigation errors may reveal hidden changes in the brain long before symptoms arise, making it a promising behavioral marker for preclinical Alzheimer's disease.
A plasma-based staging model using eMTBR-tau243 and %p-tau217 demonstrated strong concordance with positron emission tomography-based staging and clinical severity of Alzheimer disease. This approach may provide a scalable, minimally invasive method for biological stratification and treatment selection.
International experts in laboratory medicine, osteoporosis, and chronic kidney disease recommend ending routine reporting of albumin-adjusted ('corrected') calcium. The practice may misclassify patients and compromise care due to unreliable correction formulas and variability in local measurements.
A case-control study found that amateur-level soccer heading is associated with increased blood biomarkers of neural damage, including dose-response relationships. The findings suggest that even low-impact heading may acutely affect neural integrity.
A novel antibody, NG101, accelerates the regeneration of damaged spinal cord tissue by neutralizing a protein that blocks nerve fiber growth. This therapy enables new nerve fibers to form functional connections, allowing patients to become more independent and potentially recover arm and hand function.
Researchers at the University of Texas MD Anderson Cancer Center have identified specific blood-based genomic biomarkers that distinguish inflammatory breast cancer from other subtypes. The study used an improved method of RNA sequencing, called TGIRT sequencing, which allowed for a more comprehensive overview of all RNA types and amou...
Researchers at Mass General Brigham developed an ultrasensitive test to detect abnormal clumps of TDP-43 protein in cerebrospinal fluid, a biomarker for specific form of dementia called FTLD-TDP. The test shows promise in diagnosing patients with the correct pathology and tracking disease progression.
Researchers have discovered a biomarker for chemotherapy resistance in small cell lung cancer, which can help identify cells that become more invasive and lead to treatment resistance. Targeting these cells with YAP1 may be a possible strategy to improve patient outcomes.
Researchers found that accelerated biological aging of a type of white blood cell called monocytes is linked to cognitive and mood-related symptoms of depression. This discovery could lead to earlier diagnosis and personalized treatment for depression, particularly in high-risk populations such as women with HIV.
A study published in Cell Reports Medicine found that inhibiting RNase H2 can cause significant damage to DNA and activate the innate immune system to produce signals that attract T cells to attack the tumor. This approach could lead to improved patient outcomes for patients with triple-negative breast cancer.
A new study reveals that ALK mutations enhance tumor immunogenicity and predict favorable outcomes in immune checkpoint blockade. The presence of ALK mutations is an independent favorable predictor of overall survival, decreasing the risk of patient death by 31%.
Researchers at OHSU have developed a sophisticated blood test that can detect early signs of pancreatic cancer with a 97% accuracy rate, distinguishing it from benign conditions. The technique uses nanoparticles shed by tumors into blood, offering a non-invasive way to identify the disease.
A new study from Karolinska Institutet found that small abnormalities in blood sugar, lipids, and inflammation years before pregnancy are associated with an increased risk of high blood pressure during pregnancy and pre-eclampsia. The findings may contribute to earlier risk assessment and preventive measures.
Researchers identified stage-specific gene expression changes that occur during cellular senescence, revealing an early immune-activating response and a shift in cellular priorities. This study offers new insight into the molecular mechanisms of aging and highlights potential therapeutic strategies for delaying age-related decline.
A study published in Nutrition, Metabolism and Cardiovascular Diseases found that plant-based dietary patterns were associated with significantly lower C-reactive protein levels compared to omnivorous diets. This reduction may indicate less background inflammation and lower cardiovascular risk.
A new study reveals that menopause causes profound and uneven transformations across the female reproductive system, rather than a uniform decline. The research identified molecular signals associated with aging detectable in blood, allowing for non-invasive monitoring and earlier detection of risks.
The new fiber probe can track three key biomarkers - glucose, lactate, and ethanol - simultaneously, providing a more complete picture of metabolic health. This innovation offers faster, real-time sensing technologies for clinicians to respond rapidly to evolving metabolic crises.
Researchers developed an electrochemical sensor to detect pancreatic cancer at low concentrations, improving accessibility and effectiveness of treatment. The device identifies CA19-9 protein, a key biomarker for the disease, allowing for early diagnosis and potentially increasing survival rates.
A new study finds that blood protein levels change markedly over the course of a lifetime, rendering adult reference values inadequate for children and adolescents. Gender differences also emerge, particularly after puberty.
The 12th ARDD meeting emphasized the importance of reversing biological age and identifying molecular mechanisms that can be targeted to modify them. Researchers presented new biomarkers and AI-designed proteins to develop novel therapeutics, with a focus on integrated, multi-targeted therapeutic strategies.
A recent study identified distinct microbial signatures in the oral cavity and gut that serve as robust biomarkers for early gastric cancer detection. These microbial markers can be detected in saliva or stool samples using machine learning models, achieving an AUROC of 0.87 for saliva-based detection.
A survey found 84% of primary care patients are unfamiliar with Alzheimer's blood tests, but 85% would take one if recommended. Patients value education and ease of use, and express concerns about test reliability and cost.
Researchers found that a blood test for the biomarker pTau217 can predict the progression of Alzheimer's disease in cognitively healthy adults, detecting early signals years before symptoms appear. The study's findings may help push back the clock to enable simpler and earlier disease prediction.
A new study reveals that men with obesity are more likely to develop abdominal fat and poorer liver health, while women with obesity are more susceptible to systemic inflammation and a less healthy blood fat profile. The findings highlight the importance of sex-specific research and targeted therapies for managing obesity.
Researchers at ITQB NOVA and IPOLFG are developing a new project called BRIDGE to improve diagnosis and treatment of aggressive breast cancers. They aim to find new biomarkers to monitor cancer evolution and tailor treatment to individual patient needs.
A new blood-based biomarker has been discovered to help identify individuals at higher risk of developing cancer in people with Lynch Syndrome. The biomarker uses immune signatures detected in blood samples to provide unique characteristics that can detect cancer risk, allowing for early detection and personalized surveillance.
Researchers developed a blood-based test that analyzes circulating tumor HPV DNA to inform personalized treatment strategies for HPV-associated throat cancer. The study found that ctDNA levels change before and after surgery, influenced by tumor biology and kidney function.
Researchers found that targeting MD2 could reduce tumor growth in a mouse model of prostate cancer bone metastasis. High MD2 expression was associated with metastasis, immune suppression, and increased resistance to PARP inhibitor therapy.
Researchers at Charité develop test to determine circadian rhythm using hair roots, revealing genetic and lifestyle factors influencing internal clock. The new method shows promise for tailoring therapies to individual rhythms, potentially improving treatment outcomes.
The NIH has renewed support for the USC-led AI4AD initiative, expanding its efforts to better classify Alzheimer's and related diseases, predict progression, and identify new treatment targets. The $12.6 million award will develop AI tools to uncover biological causes of Alzheimer's and improve disease diagnosis.
A new survey by Autism BrainNet reveals a significant disconnect between Americans' strong support for autism research and their limited understanding of postmortem brain donation. The survey found that 70% of respondents had never heard of brain donation, despite 92% agreeing its importance in advancing research.
A new study from the University of Missouri identified over 10 genetic or molecular markers that predict follicular lymphoma relapse early, allowing for targeted surveillance testing. This could improve patient outcomes, reduce unnecessary imaging tests, and lower healthcare costs.
A new genetic 'roadmap' provides a navigational framework for more precise diagnosis and treatment of intrahepatic cholangiocarcinoma. The framework identifies five molecular subtypes, each associated with distinct therapeutic vulnerabilities, enabling targeted treatment strategies.
Researchers have discovered a new biomarker for immunoglobulin A (IgA) nephropathy, which is an autoimmune disease that can lead to kidney failure. Complement pathway proteins, including CFHR1, were found to be overexpressed in patients with IgA nephropathy, suggesting a potential treatment target and diagnostic marker.