Articles tagged with Cell Pathology
Researchers at CU Anschutz have discovered a novel therapy combination to offer new hope to ovarian cancer patients who do not respond to existing treatments. The combination of a PARP inhibitor and SM08502 boosts the effectiveness of treatment, even for patients resistant to PARP inhibitors.
Researchers at Tulane University discovered a new nerve cell signaling mechanism that can turn on pain signaling after injury, potentially leading to safer treatments. The discovery of enzyme vertebrate lonesome kinase (VLK) offers a new way to influence cell behavior and could simplify drug development.
Researchers find a fourteenth-century Arabic poem misinterpreted as factual account of plague's movement, influenced myths of its quick spread across Asia. The study highlights the importance of maqāmas in understanding how communities coped with catastrophic events like the Black Death.
Researchers have uncovered a novel mechanism linking lactate metabolism to muscle Growth differentiation factor 15 (GDF15) release during mitochondrial stress, providing a potential therapeutic target for mitochondrial myopathy. Elevated lactate production and histone lactylation activate GDF15 gene expression.
Scientists have identified a new biomarker, F2R, which could improve ovarian cancer diagnosis and treatment. Elevated F2R levels are associated with shorter life spans, making it a valuable prognostic indicator.
A new multi-omics tool, GoT-Multi, has enabled researchers to gain insights into how cancers evolve towards greater aggressiveness and therapy resistance. The tool can analyze diverse types of pathology samples and quickly process large numbers of cells, revealing new details about cancer progression.
Researchers identified a cellular mechanism that alters the gut microbiome in a way that promotes cancer. Long-chain fatty acids serve as food for certain bacteria, such as Desulfovibrio fairfieldensis, which multiply and displace other microbes.
A study by the CNRS-led research team highlights the key role of Tat, a viral protein that blocks autophagy, promoting Mycobacterium tuberculosis survival and multiplication. Restoring autophagy mechanism could lead to innovative therapeutic strategies for better protection against tuberculosis in HIV-positive patients.
Researchers found that shutting down a signaling pathway in fibroblasts restored heart functioning in lab models. The study suggests that targeting fibroblasts may be essential to treat dilated cardiomyopathy, a leading cause of heart failure.
Researchers mapped the surface envelope glycoprotein of human endogenous retroviruses, opening doors to new diagnostic and therapeutic opportunities. The study revealed specific antibodies that target the viral proteins, potentially leading to new cancer immunotherapies and treatments for autoimmune diseases.
Researchers found that chemicals used to replace BPA can disrupt human ovarian cell function and change gene expression. The study calls for further investigation into the safety of these alternatives, which are not regulated or routinely tested.
MARQO automates whole-slide image processing across multiple staining technologies, extracting detailed cellular and spatial information from tumor tissue slides. This enables faster and more accurate analysis of cancer tissues, paving the way for personalized treatments.
A UMass Amherst kinesiologist has received a $2 million NIH grant to study how myosin molecules work together to drive different processes within cells. His research aims to develop drugs for heart failure, neurological conditions and genetic forms of deafness.
Researchers at Uppsala University have developed an AI system that can detect subtle tissue changes indicative of prostate cancer, missing it from human pathologists. The study found the AI detected cancers in over 80% of cases where pathologists missed them.
The American College of Chest Physicians has released a clinical guideline on the management of patients with early-stage non-small cell lung cancer. The guideline provides evidence-based recommendations for primary treatment and outlines three flowchart graphs outlining the recommended course of treatment based on patient risk. These ...
Researchers found that oxidative stress actually suppressed cancer development in rats with BRCA2 gene mutations, contrary to prior expectations. This discovery suggests that avoiding radiation exposure may not be the best method for people with BRCA2 pathological variants.
A team from The Hebrew University of Jerusalem has developed innovative druglike molecules capable of degrading HuR, a key RNA-binding protein that stabilizes oncogenes and fuels cancer progression. These molecular degraders improve anticancer properties by up to 3-4 orders of magnitude compared to traditional HuR-binding molecules.
A multidisciplinary guideline panel has determined that guided-bronchoscopy sampling provides tissue of comparable adequacy to percutaneous biopsy for comprehensive biomarker testing, while delivering a superior safety profile. Modern navigational bronchoscopy offers a safer path to molecular insights in lung cancer care.
A study by Baylor College of Medicine reveals that altered genes SOX2 and CDX2 drive Barrett's esophagus formation. The team created organoids from patient tissue, showing that the balance between these genes determines cell identity. This new understanding supports earlier intervention and diagnosis for this potentially deadly cancer.
The study found that the stage of normal cell development at which B cells transform into leukemic cells impacts treatment outcomes for pediatric patients with B-cell acute lymphoblastic leukemia (B-ALL). Researchers identified a 'multipotency score' to predict clinical outcomes, providing valuable insights into drug resistance and str...
Researchers at Osaka Metropolitan University discovered a new way to block cancer cell energy production by suppressing de novo fatty acid synthesis with ethyl p-methoxycinnamate. This natural substance inhibits ATP production, leading to increased glycolysis as a possible survival mechanism in tumor cells.
A collaborative research team led by KAIST has developed a groundbreaking technology that uses advanced optical techniques combined with an AI-based deep learning algorithm to create realistic 3D images of cancer tissue. This breakthrough paves the way for next-generation non-invasive pathological diagnosis.
The University of Houston has launched a $3M Cancer Immunotherapy Biomarker Core to accelerate early diagnosis and treatment response in cancer. The core will offer comprehensive targeted proteomic cancer biomarker screens, enabling researchers to identify better biomarkers for cancer.
A Johns Hopkins Medicine study finds that SARS-CoV-2 corrupts white blood cells, specifically neutrophils, to impair the production of immune cells critical for fighting COVID-19. This reprogramming may lead to severe COVID cases by weakening the immune response against the virus.
Researchers at the University of Chicago Medicine discovered a new phenomenon where high doses of radiation cause growth in existing metastatic tumors. The 'badscopal effect' is attributed to increased production of amphiregulin, which weakens the immune system and makes cancer cells more resistant.
Researchers develop specialized enzymes to selectively increase or decrease specific mutation loads in mitochondria, allowing precise study of disease manifestation. This technology holds promise for treating patients with mitochondrial diseases by reducing mutant mtDNA load.
A harmful form of tau protein directly damages blood vessels in the brain, leading to inflammation and weakening the brain's protective shield. The discovery highlights the importance of focusing on early neurovascular changes mediated by tau to prevent or slow down damage to the blood-brain barrier.
A team of researchers has identified a novel oncometabolite that accumulates in tumors and impairs immune cells' ability to fight cancer. The study highlights how the metabolic environment of tumors influences T cell function, opening new possibilities for improving cancer immunotherapy by targeting tumor metabolism.
Large granular lymphocytic leukemias (LGLLs) are heterogeneous groups of chronic lymphoproliferative disorders. Recent molecular insights and WHO 5th edition updates refine diagnostic precision. T-cell LGLL has favorable prognosis with immunosuppressive treatment, while NK-LGLL is indolent but requires symptomatic treatment.
A rare case of Exophiala jeanselmei pneumonia was reported in an immunocompetent patient with interstitial lung disease. The patient presented with malaise, cough productive of black sputum, and bilateral lung field crackles.
A retrospective study of 20 cases of pulmonary MALT lymphoma found characteristic HRCT features such as air bronchogram and bronchiectasis, predominantly in the left upper lobe. Pathologically, tumors exhibited monocytoid and centrocyte-like cells with minimal atypia and B-cell markers CD20 and CD3.
A Mount Sinai-led team has discovered a link between gamma delta intraepithelial lymphocytes and the development of Crohn's disease. By analyzing a mouse model, they found that impaired communication between these cells led to inflammation in the lower small intestine.
Genalive wins largest outsourced testing service contract in Saudi Arabia's history, covering 83 public hospitals and multiple genomics methodologies. The deal will enhance local precision medicine services with comprehensive solutions for whole genome sequencing, exome sequencing, and more.
A new Northwestern University study found that enhancing the brain's immune cells can clear Alzheimer's plaques and restore a healthier brain environment in immunized patient brains. The findings could reshape the future of Alzheimer's treatments by shifting the focus from removing plaques to harnessing the brain's natural defenses.
Hepatic biliary adenofibroma (BAF) is a rare, benign tumor with histological characteristics distinct from other biliary tumors. Emerging case reports suggest potential for malignant transformation and overlap with intrahepatic cholangiocarcinoma (iCCA), highlighting diagnostic challenges and need for further research.
A new method combines traditional histopathology with spatial transcriptomics data to improve understanding of chronic kidney disease lesions at the cellular and molecular levels. This approach has the potential to identify new biomarkers and therapeutic strategies for patients.
Researchers have discovered a critical link between a cholesterol byproduct and Parkinson's disease development in mice. The study highlights the role of 24-OHC in forming Lewy bodies and killing dopamine neurons, with potential therapeutic targets emerging as drugs that prevent its production.
A team of researchers has identified a new chronic blood clotting disorder, VITT-like monoclonal gammopathy of thrombotic significance (MGTS), characterized by antibodies similar to those causing vaccine-induced immune thrombocytopenia and thrombosis (VITT). The disorder can lead to severe symptoms despite treatment with full-dose bloo...
Researchers from the University of Gothenburg have made a breakthrough in understanding the role of protein tau in Alzheimer's disease. By identifying specific amino acid modifications that occur before thread-like fibrils form, scientists hope to develop complementary drugs to combat the disease.
Researchers discovered that cells caught up in sepsis send out messages to other cells, causing them to die and fueling the spiraling inflammation. By understanding this process, scientists may be able to develop a treatment for inflammatory diseases like sepsis.
Researchers from Tsinghua University Press develop a new understanding of tissue dissociation techniques for creating accurate human cancer models. Mechanical dissociation preserves tumor microenvironment, while enzymatic digestion yields homogeneous cell populations ideal for large-scale drug screening.
A large international study of GLP1-RA users and dipeptidyl peptidase-4 inhibitors (DPP-4i) found no evidence that GLP1-RA use is associated with an increased risk of thyroid cancer. The study, published in the Thyroid journal, analyzed data from 92,497 GLP1-RA users and 2,484,408 DPP-4i users.
An international team has presented the first detailed picture of Huntington's disease protein clumps, known as fibrils. These elongated shapes differ in important ways from those in other diseases like Alzheimer's and Parkinson's, offering new insights into their role in the disease.
A new study has found HSV-1 proteins embedded in Alzheimer's brains, linking the virus to tau protein changes. Researchers suggest that inhibiting viral activity or modifying the brain's immune response could slow or stop Alzheimer's progression.
A new tool developed by Penn State researchers uses computer vision and artificial intelligence to analyze placenta images, detecting abnormalities and risks such as neonatal sepsis. The PlacentaCLIP+ model has the potential to transform neonatal and maternal care in low- and high-resource settings.
A new AI tool called PlacentaVision can rapidly evaluate placentas at birth to detect abnormalities associated with infection and neonatal sepsis. This could lead to improved health outcomes for both mothers and babies, particularly in areas with limited medical resources.
A scoping review found associations between myositis disease activity and gluten exposure in patients with inflammatory myopathies and celiac disease. The study suggests that gluten may act as an exogenous antigen driving myositis in genetically predisposed patients.
A Chinese Medical Journal study reveals that patients with prostate cancer can undergo surgical removal without a pre-operative biopsy, using a combination of mpMRI and PSMA PET/CT imaging. This approach reduces costs and complications associated with traditional biopsy methods.
Researchers at Tel Aviv University discovered a variant of TMEM16F protein that enhances the spread of Parkinson's pathology, potentially leading to new treatments. The study found that cells with the mutation secrete more pathological α-synuclein, which can form Lewy bodies and damage brain cells.
Researchers have discovered a new strategy to overcome docetaxel resistance in advanced prostate cancer patients, which may improve the efficacy of chemotherapy and prolong overall survival. The approach involves inhibiting cholesterol and lipid biosynthesis, reinducing sensitivity to the drug docetaxel.
Researchers analyzed tumor samples from 64 SCLC patients, identifying promising results for biomarkers DLL3 and TTF-1. These biomarkers showed potential as targets for therapies like Tarlatamab and improved survival rates in patients with TTF-1-positive tumors.
Researchers at Houston Methodist have identified a new strain of bacteria, Streptococcus dysgalactiae subspecies equisimilis (SDSE), linked to increasingly severe human infections. The study used integrative analysis to investigate the genome, transcriptome, and virulence of SDSE strains, shedding light on their molecular pathogenesis.
Researchers from the University of Zurich have discovered a link between hepatitis E and kidney damage, finding that viral envelope-antibody complexes can accumulate in kidney filters and cause glomerulonephritis. The study uses tissue samples from patients to understand the disease mechanism.
A new study suggests that boosting T-regulatory cells may improve the chance of healthy pregnancy and reduce miscarriage risk. Researchers found that treatment with interleukin-2 and antibodies targeting these cells improved pregnancy outcomes in mice, reducing miscarriage rates from 30% to 11%.
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.
Researchers found TBI increases hyperphosphorylated tau, astro- and microgliosis, synaptic dysfunction and cognitive impairments linked to developing Alzheimer’s. BAG3 overexpression ameliorates tau hyperphosphorylation, synaptic dysfunction and cognitive deficits through the enhancement of the autophagy-lysosome pathway.
A study from UChicago scientists reveals a significant role of RNA in DNA packaging and storage through the gene TET2. This pathway explains why many cancers involve TET2-related mutations and offers new targets for treatments. The discovery also sheds light on the connection between TET2 mutations and increased risks of heart disease,...
Researchers comprehensively reviewed cerebellar involvement in Parkinson's disease, highlighting the pathophysiological role of the cerebellum in motor and non-motor symptoms. Studies showed abnormal α-synuclein aggregation, neurodegeneration, and altered functional connectivity between the cerebellum and other brain regions.
A UCLA-led research team has identified degeneration-associated molecular markers shared by several forms of dementia. The study also found cell type-specific changes that underlie each condition, highlighting potential new therapeutic targets.
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.