Scientists discovered that fragments of immune-stimulating proteins, called guardian peptides, are produced by the brain and spinal cord to maintain a healthy balance between defending against injury and infection and guarding healthy tissue. These peptides activate regulatory T cells to dampen abnormal immune reactions.
Dr. Joongkyu Park has been awarded two new NIH grants totaling $2.3 million to investigate local protein synthesis in tau pathology neurodegeneration and redirected CaMKII for restoring deficits in Alzheimer's disease models. The research aims to understand how these mechanisms contribute to the pathologic features of Alzheimer's disease.
Researchers used ex vivo lentiviral gene therapy to treat MPS IVA in mice, achieving partial correction of bone pathology and complete correction of heart pathology. The study suggests potential for novel therapies to treat patients with MPS IVA.
Washington University School of Medicine researchers will study how vaccines trigger long-lasting immune responses, comparing them with effective lifelong immune responses. They aim to understand factors that enable enduring immunity after vaccination and inform the design of nasal vaccines for respiratory viruses.
Researchers argue that placental pathology is underutilized clinically and deserves routine obstetric and neonatal care, as well as more research attention.
Advanced endoscopy combined with AI and digital pathology offers a deeper understanding of inflammatory bowel diseases (IBD). This leads to more accurate diagnoses and improved patient outcomes.
A machine-learning tool can effectively and efficiently subtype pathology samples from patients with RA. This may help scientists find ways to improve care for the complex condition by distinguishing between three subtypes of RA. The tool has also yielded new insights into treatment effects in mice, such as reduced cartilage degradation.
A new AI-based digital platform has been developed to analyze tissue sections from lung cancer patients, making diagnosis faster and more accurate. The platform uses algorithms that enable fully automated analysis of digitized tissue samples, allowing for personalized therapy based on molecularly specific genetic changes.
A commercial AI tool was effective in excluding pathology and had lower rates of critical misses on chest X-rays compared to radiologists. The study found that the AI tool could autonomously report more than half of all normal chest X-rays without decreasing standard of care.
Scientists have created a polymer that selectively attracts specific substances from solutions when electrically activated, opening the door to sustainable chemical separation. This breakthrough could minimize waste and benefit from renewable energy sources in industrial settings.
A new interpretable deep learning modeling architecture, LACG, is proposed to handle complex variable interactions in chemical processes. It achieves high-accuracy modeling results via the coupling of three sub-modules based on underlying logics. The model outperforms widely used neural networks in terms of interpretability.
Researchers developed a drug that enhances killer T cells' fighting power while reducing the toxicity of unmodified IL-2 treatments, overcoming inhibitory Tr1 cells and increasing immunotherapy's effectiveness. The study aims to personalize cancer immunotherapy for more patients.
α-Synuclein pathology in asymptomatic stages is linked to NBM atrophy, leading to attention/executive impairment. MRI signatures can detect this pathology in memory clinic populations.
Researchers at the University of Sydney have proposed a new way to reduce industrial emissions by utilizing liquid metals in chemical reactions. This approach aims to decrease energy requirements and lower greenhouse gas emissions.
Scientists successfully mapped transcriptomes from 1.3 million brain cortex cells to gain molecular insights into Alzheimer's vulnerability and resilience. The resulting atlas holds promise for gene and molecular discovery across pathways affecting brain health.
The Association for Molecular Pathology has published consensus guidelines for clinical DPYD genotyping assays to improve patient care and standardize testing. The recommendations include a tiered system of variants with well-characterized effects on protein function, gene expression, and minor allele frequency.
Researchers at Boston University Chobanian & Avedisian School of Medicine have found that electroencephalograms (ERPs) can be used to diagnose Amyotid Beta Plaques in patients with Alzheimer's disease. ERPs may provide a low-cost and non-invasive method for detecting AD pathology in-vivo.
The study found that exercise increased PEDF levels in skeletal muscles and suppressed senescence markers in the lungs. PEDF also reduced senescence markers in multiple tissues and attenuated decline in respiratory function in pulmonary emphysema mouse model, suggesting its potential as a therapeutic agent for age-related diseases.
A cross-sectional study of CTE patients found that years of contact sports participation are linked to substantia nigra pathology, leading to parkinsonism. The study suggests that repetitive head impacts may trigger neuropathologic processes in individuals with CTE.
A study of 481 deceased athletes found that most developed parkinsonism due to CTE pathology, not classic Parkinson's disease. Researchers identified a link between contact sport participation and severe brain cell death in the brainstem.
Scientists developed customized AI tools, including ChatGPT, to provide accurate responses on digital pathology. The tools help pathologists without extensive coding experience analyze tissue samples, bridging the gap between pathology and digital pathology skills.
Researchers at UAB have developed a method to assess cardiac dynamics in fruit flies using deep learning and high-speed video microscopy. The study uses this approach to analyze the effects of aging and dilated cardiomyopathy on heart function, with potential applications for human cardiovascular research.
Researchers at Johns Hopkins Medicine have developed a 3D genomic profiling technique to identify small precancerous lesions in the pancreas, which can lead to aggressive pancreatic cancers. The study provides the most detailed 3D map of precancerous lesions in the human pancreas to date.
The 2022 WHO classification of kidney epithelial tumors introduces significant updates to renal tumor pathology, incorporating both morphological and molecular criteria. Key changes include the reorganization of established tumors and the introduction of a new category for molecularly defined tumors.
Researchers have developed a new method in spectromicroscopy to investigate chemical species adsorbed on MXene surfaces and intercalated within the material. This technique, Scanning X-ray microscopy (SXM), enables high chemical sensitivity and has provided detailed insights into the chemical composition and structure of MXenes.
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.
A comprehensive, user-friendly repository has been created to help study Alzheimer's disease. The ssREAD database encompasses 277 integrated datasets from 67 scRNA-seq & snRNA-seq studies, totaling 7,332,202 cells, and includes interactive visualizations for comprehensive analysis interpretations.
Research led by Weill Cornell Medicine found that most colorectal cancers begin with the loss of intestinal stem cells, even before cancer-causing genetic alterations appear. This new understanding suggests a unified model for colorectal cancer initiation where damage to intestinal crypts causes a decrease in aPKC protein expression.
Researchers from Flinders University tested on-site pathology testing and found it to be equivalent to laboratory tests in terms of quality and accuracy. The study was conducted across 100 remote Aboriginal and Torres Strait Islander communities in Australia.
Engineers have modelled a new way to recycle polystyrene that could make the material reusable. The technique uses pyrolysis to break down polystyrene into parts that can be reformed into new pieces of the material, reducing energy consumption and increasing yield.
Researchers found that a specific strain of gut bacteria enhances the effects of cancer immunotherapy, leading to tumor shrinkage. The discovery could lead to next-generation probiotics that synergize with immunotherapy to improve cancer care.
Researchers developed Tripath to analyze 3D tissue samples, predicting clinical outcomes based on 3D morphological features. This approach outperformed traditional methods, providing promising potential for guiding critical treatment decisions.
Researchers at Brigham and Women's Hospital found an association between appendix removal and a decreased risk of colorectal cancer positive for the bacterium Fusobacterium nucleatum. The study involved large prospective cohort studies and analyzed data from over 139,000 participants.
The Phytopathology Research Forum successfully concluded its spring edition, showcasing cutting-edge developments in plant disease research and molecular breeding technology. Experts discussed the importance of adopting provenance security measures to ensure agricultural product integrity.
Researchers developed a blood test that accurately predicted knee osteoarthritis development and progression, detecting molecular signals eight years before x-ray diagnosis. This breakthrough offers new hope for early intervention and therapeutic strategies to slow disease progression and restore joint health.
A new study by Mass General Brigham researchers found that larger 'foundation models' can help mitigate disparities between different demographic groups and enhance model accuracy. The findings emphasize the need for more diverse training datasets and demographic-stratified evaluations of AI systems.
A new study found a link between midlife racial discrimination and increased levels of Alzheimer's disease markers, including phosphorylated tau181 and neurofilament light, in older age. Researchers analyzed data from 255 Black Americans over 17 years, revealing that chronic stress from racism contributed to dementia risk.
New findings in The American Journal of Pathology indicate that periostin promotes esophageal squamous cell carcinoma progression by enhancing cancer and stromal cell migration in cancer-associated fibroblasts. Periostin may be a promising therapeutic target for treating ESCC.
A new statistical-modeling workflow can quickly identify molecular structures of products formed by chemical reactions, accelerating drug discovery and synthetic chemistry. The workflow also enables the analysis of unpurified reaction mixtures, reducing time spent on purification and characterization.
Researchers at WashU Medicine have found a new way to remove toxic amyloid plaques from the brain using an antibody that activates microglia. This approach has implications beyond Alzheimer's disease and could potentially clear other neurodegenerative conditions.
Scientists at CiQUS integrate non-native photosensitizers into mammalian cells to induce artificial chemical reactions. This breakthrough showcases the feasibility of leveraging light to fabricate functional molecular products.
A new open-top light-sheet microscope with swept illumination enhances the technique for nondestructive 3D pathology. The improved design quadruples the field of view and doubles optical sectioning ability, making it suitable for analyzing complex tissue structures.
Researchers at Mass General Brigham have developed two AI foundation models, UNI and CONCH, to advance computational pathology. These models excel in diagnostic accuracy, prognostic insights, and predicting therapeutic responses, with universal applications in anatomic pathology.
Researchers developed a machine-learning model to assess prostate cancer biopsy samples, overcoming limitations of traditional methods. The new model, nnU-Net, provides accurate 3D segmentation of glandular tissue structures, leading to better prognostic analyses and potential improvements in patient outcomes.
A new study uses AI to predict whether early-stage lung cancer will spread to the brain, allowing for more targeted and effective treatment. The algorithm achieved an accuracy rate of 87%, outperforming human pathologists in some cases.
A new gas sensor has been developed to detect chemical warfare agents (CWAs) with high sensitivity and rapid response. The passive wireless sensor system uses surface acoustic wave (SAW) technology to identify substances like dimethyl methylphosphonate (DMMP), offering a reliable means of early CWA detection in hazardous environments.
Scientists at Washington University School of Medicine discovered that neurons coordinate to produce rhythmic waves that propel fluid through dense brain tissue, washing the tissue in the process. This finding has implications for delaying or preventing neurodegenerative diseases by enhancing the brain's cleaning abilities.
Researchers found one in six individuals with high-stage CTE had low tau pathology in the neocortex, but higher concentrations in the medial temporal lobe and brainstem. This form, called cortical-sparing CTE, may be a distinct subtype with different underlying biology and clinical implications.
Scientists studied clusters of immune cells called microglia in normal-appearing white matter to understand their role in Multiple Sclerosis. They found that these nodules are associated with worsened pathology, more lesions, and inflammation, and may be activated by oxidized lipids.
A new blood test has been shown to diagnose Alzheimer's disease pathology as accurately as FDA-approved spinal fluid tests, making early diagnosis and treatment accessible to more people. The blood test measures levels of Alzheimer's proteins in the blood, detecting molecular signs of the disease even before symptoms appear.
Chemical reactions were long thought to occur along minimum energy paths. However, researchers have now observed 'roaming' reactions that stray from this path even in highly excited energy states. This discovery has significant implications for understanding atmospheric chemistry and the production of molecular oxygen.
Researchers connected cognitive and behavioral symptoms to protein buildup in the brain marking the disease. The study showed a clear relationship between CTE pathology and severity of cognitive and functional symptoms during life.
Researchers at the BU CTE Center found a clear dose-response relationship between CTE pathology and cognitive and functional symptoms, including memory and executive function issues. This study provides valuable insights into diagnosing CTE in living patients, potentially leading to new treatments.
A new study uses GPT-3 to simplify chemical analysis, achieving accuracy surpassing state-of-the-art models. The approach fine-tunes the language model with curated Q&As, enabling easy and fast discovery in low-data chemistry.
Scientists at the Garvan Institute of Medical Research have identified unique DNA methylation patterns in phyllodes tumours, allowing for accurate diagnosis and distinction from other cancers. The discovery could lead to improved diagnosis and treatment options for patients with this rare disease.
A new study funded by NIHR has led to the UK government approving digital pathology for cancer screening samples. This technology enables faster reporting and improved care for patients with bowel, breast, lung, and cervical cancers. The use of digital pathology will help reduce risk of sample loss or damage and allow pathologists to r...
West Virginia University engineer Yuhe Tian is developing powerful artificial intelligence tools that can reimagine the sustainability of chemical manufacturing. She aims to harness quantum intelligence to innovate environmentally friendly chemical plant designs.
Researchers found that 94% of patients with posterior cortical atrophy had Alzheimer's pathology, while only 70% of those with memory loss did. Early identification of PCA may lead to better treatment options for Alzheimer's patients.
Researchers from Osaka University developed an economical catalyst for a common chemical transformation, replacing rare metals with cheaper substitutes like nickel. The novel catalyst showed high activity, reusability, and high yields.
Cancer immunotherapy can cause severe colitis due to hyper-activated immune T cells and deleted regulatory T cells. Researchers at Michigan Medicine have identified a new mouse model that develops colitis after treatment with antibodies used for tumor immunotherapy, revealing the mechanism behind this side effect.