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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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...
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.
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.
The Association for Molecular Pathology published a report outlining considerations for a slice testing strategy, including gene selection and quality. This approach combines the advantages of high-quality gene panels with flexibility and broad scope of exome sequencing.
A study in Nature uncovers new insights into the human LINE-1 ORF2 protein's structure and mechanisms, shedding light on its evolutionary history and innate immune activation. The research also identifies potential targets for therapies to prevent cancer, autoimmune disease, and neurodegeneration.
Researchers identify memory CD8 T cells as potential therapeutic targets for atherosclerosis in aging. The study shows that these immune cells enhance plaque buildup in the arteries of aged mice, which could lead to heart attacks and strokes.
Researchers found that blocking cholesterol production prevented progression of serrated-type intestinal tumors in mice, suggesting a potential new strategy for treating these aggressive cancers. The study's findings support the use of cholesterol-lowering drugs to prevent or treat these tumors.
A new study by University of Arkansas researchers suggests that male-biased pathology makes male canaries more likely to transmit the avian bacterial pathogen Mycoplasma gallisepticum. The study found that male birds have shorter incubation periods, longer recovery periods, and higher pathogen loads than females.
Researchers at UC Davis Comprehensive Cancer Center have shown that inhibiting galectin 1 protein using gene therapy can shrink liver cancer in mice, improving the anti-cancer immune response and increasing killer T cells. This approach has potential as a treatment for HCC prevention.
Researchers analyzed leishmaniasis lesions on mouse skin to detect metabolic signaling pathways that differed from uninfected mice. They found pathways with pain-relief properties tied to the brain's endocannabinoid system, which is involved in a host of physiological processes, including the pain response.
Researchers developed a new diagnostic tool to identify and treat Hikikomori, a condition characterized by prolonged physical isolation or social withdrawal. The Hikikomori Diagnostic Evaluation (HiDE) assesses the severity of social withdrawal, providing a practical guide for clinicians.
A team at Weill Cornell Medicine mapped the location and spatial features of blood-forming cells in human bone marrow, confirming hypotheses and providing a powerful new means to study diseases. The method, which uses artificial intelligence, identified and determined the positions of about 1.5 million cells in archival samples.
Scientists have identified a previously unknown pathway for dietary cholesterol absorption in the gut, which could lead to new treatments for managing cholesterol levels. An experimental drug has been found to specifically target this pathway, offering a potential new approach to controlling cholesterol levels.
A recent study published in Nature Communications validates MSIntuit CRC, an AI-driven digital pathology diagnostic, as a reliable pre-screening tool for colorectal cancer. The diagnostic accurately rules out nearly 50% of MSS patients while correctly classifying over 96% of MSI patients.
Researchers found a positive association between elevated urinary albumin and sub-clinical coronary artery pathology, including microcalcifications, in individuals with type 2 diabetes without symptoms of cardiovascular disease. Microcalcification activity was higher in those with albuminuria, indicating potential kidney damage.
Researchers from GIST propose a novel approach to mitigate overfitting in pretrained models used for voice pathology detection, achieving 12.36% and 15.38% improvement in recall using contrastive learning.
The Association for Molecular Pathology published guidelines for validating and reporting clinical circulating tumor DNA assays. The recommendations aim to promote standardization and quality improvement in liquid biopsy assays, which have emerged as a key technology in molecular diagnostics.
The American Phytopathological Society has created a new series of distinguished reviews in honor of Harold H. Flor, who developed the gene-for-gene concept in plant pathology. The series presents authoritative reviews on molecular plant-microbe interactions, providing a historical perspective and future directions for research.
Researchers discovered Leishmania parasites in blood-related stem cells of chronically infected mice, challenging the textbook understanding of the disease. The finding may lead to new treatment options and improve our understanding of why some people develop visceral leishmaniasis despite having immune disorders.
A joint consensus report by AMP, ASM, IDSA, and PASCV outlines the clinical and analytical benefits of multiplex PCR panels for detecting pathogens from various body sites. The report also discusses future directions and challenges associated with these panels.
Researchers developed an AI-based assessment tool to evaluate two-dimensional pictures of tumor samples, identifying previously underappreciated features such as tumor microheterogeneity and immune properties. These features are associated with improved overall survival among patients taking immune checkpoint inhibitors. The tool has t...
Researchers have discovered that irisin-based therapies might help combat Alzheimer's disease by reducing amyloid beta deposits and enhancing neprilysin levels. Exercise-induced irisin treatment led to a remarkable reduction of amyloid beta pathology in a 3D human cell culture model of AD.
A new gene therapy study has identified microRNA-22 as a potential treatment for liver cancer, achieving better survival outcomes and reducing inflammation compared to the current FDA-approved drug lenvatinib. The treatment was administered via a single intravenous injection and showed no observable toxicity.
Researchers studied over 800 clinical assays on renal tumors with MiTF family genes TFE3 and TFEB. The findings show significant age differences between patients with TFEB amplification and those with TFE3 or TFEB translocation, with TFEB amplification being associated with poorer prognosis.
In a phase 3 clinical trial, donanemab significantly slowed clinical progression in patients with low/medium tau and high tau pathology. The treatment cleared brain amyloid plaque, demonstrating its potential to slow Alzheimer disease progression.
A recent University of Kentucky study found that inhibiting the p38 protein in microglia may alter interactions between brain immune cells and Alzheimer's pathology. The research suggests that early inhibition of p38 may be beneficial without causing noticeable adverse effects.
The Association for Molecular Pathology has published clinical CYP3A4 and CYP3A5 genotyping assay recommendations to standardize testing across laboratories. The guidelines aim to improve patient care by providing guidance on allele selection, assay validation, and therapeutic recommendations.
Researchers developed a platform called Orion that bridges parallel worlds of microscopic analysis and multiplexed tissue imaging. The platform enables the integration of information from each source into a comprehensive view across the entire slide, predicting patient prognosis and tumor behavior.
Research reveals liver dysfunction and alterations in the liver-brain axis are key features of Alzheimer's disease. The study highlights the importance of peripheral organs, such as the liver, in understanding the systemic aspects of the disease.
The American Phytopathological Society published a special issue on key discoveries in plant pathology, highlighting groundbreaking findings over the past 50 years. These discoveries have significantly impacted plant health, food security, and food safety worldwide.