Articles tagged with Cell Pathology
A new clinical and research partnership has created an AI model that can predict whether cancerous tissue has been fully removed from the body during breast cancer surgery. The model performed as well as humans in identifying positive margins, especially in patients with higher breast density.
A new study led by Dr. Armen Saghatelyan uncovered the migratory mechanisms of neuronal cells in a neurodevelopmental disorder. The team found that modulating autophagy with FDA-approved drug metformin restored the cells' migratory properties.
Researchers highlight microvascular contributions to white matter injury in Alzheimer's disease, sparking calls for exploration of connections between AD, WM injury and cerebral small vessel disease. The study emphasizes the critical need to define mechanisms and diagnostic features of mixed vascular and AD neuropathological change.
Researchers developed a new model of hereditary Alzheimer's disease in marmosets by introducing mutations into the PSEN1 gene, which causes early-onset disease in humans. The study aims to characterize and validate genetic, molecular, functional, and cognitive features of aging and Alzheimer's disease in these animals.
Researchers found that pregnant mice experiencing copy number variation (CNV) showed similarities to aging, with biomarkers and genetic effects appearing during pregnancy and reversing after delivery. This study aims to revolutionize aging treatment by investigating the mechanisms behind post-labor rejuvenation.
Researchers discovered that aging alters the pancreas's circadian rhythm by reorganizing its transcriptome. The study found that fibroblasts play a crucial role in regulating this reorganization, which affects the organ's resilience to aging-related pathologies.
The editorial discusses epigenetic mechanisms leading to oocyte quality loss, a significant factor in age-related fertility decline. Researchers highlight the importance of understanding this process to address the growing issue of advanced maternal age and its impact on reproduction.
Researchers found that a healthy diet from an early age can suppress senescence and loss of fitness in yeast, even late in life. The study proposes an alternative to calorie restriction for improving healthy ageing through dietary change.
A new study found that catheter ablation significantly lowers the incidence of cardiovascular events and death in very old patients with nonvalvular atrial fibrillation. The researchers compared 208 patients who underwent AF ablation with those who received medical therapy only, finding a lower risk of both cardiovascular events and de...
Imperial researchers have imaged Piezo1 channels in human cells and organs, revealing their role in regulating blood pressure, respiration, bladder control, and the immune system. This breakthrough could lead to a better understanding of their role in fundamental physiological processes and potentially new drug targets for diseases.
Researchers have identified a neoplastic fusion transcript RAD51AP1-DYRK4 in luminal B breast cancer, associated with higher ki67 expression and aggressive clinical characteristics. MEK inhibitor trametinib may be effective in blocking the MEK-ERK signaling driven by this fusion.
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.
Researchers have created a novel animal model to study the pathogenesis of neurobrucellosis, a severe complication of brucellosis. The model reveals that innate lymphoid cells and interferons play a crucial role in limiting brain damage during Brucella infection.
Researchers propose a novel theory of aging that suggests cell competition is a key factor in the process. The selective destruction theory (SDT) proposes a mechanism of aging that is independent of accumulating damage and consistent with epigenetic rejuvenation.
A large study found that fully vaccinated individuals have lower concentrations of inflammatory markers than unvaccinated participants after symptomatic COVID-19 infection. This suggests that vaccination significantly reduces morbidity and mortality by reducing elevated levels of cytokines and chemokines.
Researchers have identified a novel therapeutic target for pelvic pain in endometriosis by focusing on the IL-1β pathway and its regulation via the JNK signaling pathway. This study suggests that JNK inhibitors may be effective in reducing neuroinflammation and alleviating symptoms of endometriosis-associated pain.
Researchers propose targeting non-canonical HH/GLI signaling to improve response rate and durability of therapeutic effects exerted by SMO inhibition in melanoma. The findings suggest that combined targeting of hedgehog signaling and BRD4 could provide a novel therapeutic option against melanoma.
UCSB researchers develop platform to interpret cellular 'stress memory landscape', predicting future reaction to stressors. The study opens window into various cellular stress-related conditions, including aging, cancer and neurodegenerative diseases.
Researchers developed MemTrax, a continuous recognition test for advanced cognitive impairment screening. The test quickly and accurately quantifies memory processing, storage, and retrieval, providing precise assessments of severity and rate of change over time.
Researchers at Nanyang Technological University discover ponatinib, an existing cancer drug, can block key steps in alternative lengthening of telomeres (ALT) mechanism. This could lead to new treatment options for ALT cancers, which currently lack targeted therapies.
A new special issue of Calcified Tissue International & Musculoskeletal Research explores how the skeleton functions as both a secretory organ and an endocrine target tissue. Researchers discuss key avenues in this area of research, including deciphering hormone messages encoded in bone cell secretory products.
Researchers discovered a novel peptide, T14, that is detectable in human keratinocytes and inversely related to age, with higher levels found in chronically photosensitive individuals. The study suggests that monitoring T14 levels may offer insights into the link between degenerative diseases and epidermal cell profiles.
Patients with GATA2 deficiency have impaired ability to produce immune cells, leading to increased risk of recurrent infections and blood cancers. The study's findings suggest that a zebrafish model may help develop new treatments to slow or reverse the disease.
Researchers found a link between short telomeres in ATII cells and lung fibrosis in post-COVID-19 patients. The study revealed loss of ATII cellularity and shorter telomeres concomitant with increased fibrotic lung parenchyma remodeling.
Researchers from St. Jude Children's Research Hospital discovered NLRP12 to be the key molecule responsible for inducing inflammatory cell death and pathology in response to heme combined with other cellular damage or infection. This finding provides a new potential drug target to prevent morbidity in certain illnesses.
Researchers found that lymphoid depletion lesions in the spleen of SARS-CoV2-infected mice may trigger novel therapies to restore defective antigen-presenting cell functions in humans. The severity of COVID-19 varies significantly, with dysregulated immune responses linked to poor outcomes.
The MOSAIC project will use cutting-edge spatial omics technologies to map cancer cells and their immune environment in high resolution. By analyzing thousands of patient samples, researchers aim to unlock novel cancer treatments and biomarkers through AI-powered analytics.
Researchers found that a combination of amyloid burden and blood markers of abnormal astrocyte activation can predict Alzheimer's disease progression. Testing for these biomarkers may help identify patients at risk, enabling earlier diagnosis and treatment.
Scientists at Temple University have developed a novel gene-editing strategy that disrupts the ability of HIV-1 virus to enter host cells by targeting a rare genetic disorder. This approach may offer another target for developing next-generation CRISPR technology for HIV elimination, while avoiding adverse effects on cell mortality.
A study published in Cell Reports found that saturated fatty acids promote the immune escape of oral cancers in mouse models. Obesity helps establish a type of tumor microenvironment that promotes tumor progression by suppressing STING-type-I interferon pathway and NLRC3.
A team led by Professor Timo Betz has developed a 3D cell culture chamber to grow muscle and other tissue using high-resolution microscopy. The new system will enable scientists to mimic the mechanical situations that confront various living tissues in serious conditions, reducing animal testing and costs.
Researchers review current treatment updates for systemic light chain (AL) amyloidosis, highlighting the need for early diagnosis and effective maintenance therapy. The article discusses the relationship between AL amyloidosis and monoclonal gammopathy of undetermined significance (MGUS), emphasizing the importance of regular monitoring.
Vogel and Benn's study replicates tissue growth in vitro, revealing the importance of ECM interactions. Myofibroblasts play a key role in wound healing and cancer progression, but their transformation into fibroblasts is influenced by ECM composition and structure.
Researchers found that psilocybin facilitates fear extinction in mice by promoting hippocampal neuroplasticity. The study's results improve our understanding of the restorative effects of psilocybin on the brain and may lead to alternative treatments for PTSD.
Researchers found that CUDC-907 selectively induces apoptosis in cells driven to senesce by p53 expression. The compound showed senolytic properties in different models of stress-induced senescence, depending on its inhibitory effects on HDACs and PI3K.
Researchers found that p21 knockout mice experienced reduced senescent cell presence, alleviated chronic lung inflammation, and improved fitness. Resident epithelial and endothelial cells played a significant role in mediating the p21-dependent inflammatory response.
A team of scientists at Max Planck Institute for the Science of Light developed a method to quickly and accurately diagnose cancer using artificial intelligence and real-time deformability cytometry. The method reduces analysis time from hours to under 30 minutes, enabling faster decision-making during surgery.
A team of scientists created a new, fast, and precise method for analyzing cells in tissue samples from cancer patients without the need for a trained pathologist. The method uses artificial intelligence to evaluate data produced by a technique called real-time deformability cytometry.
Impact Journals will participate as an exhibitor at the AACR Annual Meeting 2023, showcasing Aging's growth in impact factor to 5.955. The meeting theme focuses on Advancing the Frontiers of Cancer Science and Medicine.
Astrocytes tune down overactive neurons during acute stress, helping to regulate attention and perception. This discovery provides new hope for treating attention disorders like ADHD.
Researchers discuss cortactin's impact on cancer progression by modulating the Wnt5a/ROR1 signaling pathway. Cortactin expression is found in various cancers, including breast and chronic lymphocytic leukemia, suggesting its potential role in promoting metastasis.
A new fluorescent probe, TiY, has been developed to selectively target and kill cancer stem cells, which are responsible for tumor growth. The probe can be used to simultaneously diagnose and treat cancer, offering a promising approach to improving cancer treatment outcomes.
Research reveals that cold activates cellular cleansing mechanisms that break down protein clumps, preventing age-related diseases like Alzheimer's and Parkinson's. By modulating proteasome activity, scientists have found a potential therapeutic target for aging and related neurodegenerative disorders.
Research by Whitehead et al. reveals that cellular senescence triggers amyloidosis through changes in small extracellular vesicles and extracellular matrix composition. The study provides novel insights into the formation of aortic medial amyloid and offers potential therapeutic targets for mitigating its effects.
The study found that downregulation of angulin-1/LSR leads to increased claudin-2 expression and altered cell metabolism in human lung adenocarcinoma cells, promoting malignancy. Researchers identified AG1478 and EW-7197 as potential therapeutic agents.
Scientists have found that antibodies targeting βII-spectrin on mesangial cells are the trigger for IgA nephropathy. This discovery enables blood-based diagnosis and may lead to improved treatments.
Researchers from Kyushu University found that the single mechanosensitive protein VGLL3 induces fibrosis, thickening and scarring tissue. The study suggests targeting this protein could lead to new treatments against fibrosis.
A protein called PI3K plays a crucial role in immune cell function, and genetic variations disrupting its signalling have been identified as the root cause of two immunodeficiency disorders. The study reveals how minor disruptions in immune cell signalling can lead to immune deficiency or dysfunction.
A Phase II trial led by researchers from the University of Texas MD Anderson Cancer Center demonstrated that adding ipilimumab to a neoadjuvant combination of nivolumab plus platinum-based chemotherapy resulted in a major pathologic response in half of all treated patients with early-stage non-small cell lung cancer. The treatment also...
A cross-disciplinary team developed a convolutional neural network to analyze microscopy images of chromosomes with cohesion defects. The algorithm achieved 73.1% accuracy in classifying new images, streamlining experiments with chromosome analysis.
Researchers at Kyoto University found that neutrophils instruct macrophages to form a bacteria-permissive microenvironment, which could have implications for cancer treatment. The study suggests that A9, an enzyme expressed in neutrophils, may play a key role in this process.
Researchers have identified mitochondrial signaling pathways as critical organelles that promote tumorigenesis and metastasis. In particular, the integrated stress response is found to engage with mitochondria to drive tumor growth, highlighting a new paradigm for understanding aggressive prostate cancer progression.
Researchers explore CEACAM1, CEACAM5, and CEACAM6's pathological significance in cancer biology and immunology. The review highlights their interactions with pathogens and potential avenues for cancer therapy.
Researchers investigated the effects of everolimus on the STAT3/HIF-1α/VEGF pathway in TP53 mutant cell lines and xenograft models. Everolimus treatment significantly inhibited cell growth and reduced tumor angiogenesis and lymphangiogenesis.
The American Society for Biochemistry and Molecular Biology is hosting its annual meeting, #DiscoverBMB, featuring award lectures by high-profile speakers. The event will take place March 25-28 in Seattle, with topics including quorum sensing and developmental mechanisms in African Trypanosomes and precision oncology.
According to hyperfunction theory, menopause is also a disease. Aging is a quasi-programmed disease that can be partially treatable by rapamycin. The author suggests that slowing aging may delay the onset of diseases like prostate cancer, obesity, and hypertension.
Researchers discovered that bone marrow transplants can halt the development and progression of brain blood vessel disease in adults with sickle cell disease. The study found that receiving stem cell transplants led to positive changes in blood vessels, reducing the risk of stroke among patients with the condition.
A new study published in The American Journal of Pathology suggests that promoting autophagy with rapamycin restores intestinal barrier function during sepsis. The study also identifies the PLK1-mTOR axis as a crucial regulator of autophagy and intestinal barrier dysfunction, providing novel insights for treatment of sepsis.
Researchers at Aston University are working with Isterian Biotech to develop small molecule inhibitors targeting transglutaminase 2, a key enzyme in fibrosis. The goal is to stop or reverse pathological crosslinking of proteins that lead to fibrotic diseases such as idiopathic pulmonary fibrosis.
In a mouse model of laser-induced CNV, RORα expression was highly increased in the choroidal/RPE complex post-laser, while loss or inhibition of RORα worsened CNV with increased lesion size and vascular leakage. RORα negatively regulates pathological CNV development by modulating angiogenic response and inflammatory environment.