Articles tagged with Mouse Models
Inhalation of live Lactobacilli bacteria attenuates pulmonary inflammation, improves lung function, and structure for COPD and bronchopulmonary dysplasia. The treatment reduces neutrophilic inflammation, MMP-9, and pro-inflammatory markers.
Researchers from Osaka University have developed a humanized antibody that blocks the DKK1–CKAP4 pathway, stimulating cancer cell growth. The new anti-CKAP4 antibody suppressed tumor formation in mice with both human and mouse tumors, as well as modulating anti-tumor immune reactions.
A study published in Neuron reveals that neurons are wired to connect seemingly unrelated concepts, enhancing the brain's ability to predict what we see based on past experiences. Visual experience influences the organisation of feedback projections, which store information about the world.
A UCLA researcher identified a compound that effectively jumpstarts the brain's memory circuitry, restoring cognitive functions in mice with Alzheimer's disease symptoms. The molecule, DDL-920, works by targeting specific neurons to enhance gamma oscillations, which are critical for memory and cognition.
Researchers found that dopamine treatment increased neprilysin levels and reduced beta-amyloid plaques in mouse brains, improving memory function. Long-term L-DOPA treatment also showed improved cognitive performance in mice.
Researchers at Osaka Metropolitan University found that Ecklonia cava polyphenols can protect against neurodegeneration and improve motor function in Parkinson's disease model mice. The antioxidants activate the AMPK enzyme and inhibit reactive oxygen species production, reducing neuronal cell death.
Scientists create fluorescent sensors that can detect neurotransmitter levels in the brain, allowing for non-invasive live brain imaging. The technology has shown promise for advancing Alzheimer's disease diagnosis and treatment.
A research group developed a long-acting artificial hepatocyte growth factor (HGF) mimetic molecule using cyclic peptides and protein engineering. The molecule improved liver fibrosis, lipid accumulation, and inflammation in a mouse model with non-alcoholic steatohepatitis (NASH), providing an option for NASH therapeutics.
A new study reveals that Cutibacterium acnes can persist in biofilms on implants for weeks, invading deep bone networks and causing chronic infections. The bacteria's ability to invade osteocyte lacuno-canalicular networks provides a novel mechanism for treating difficult-to-treat bone infections.
Scientists at the Jackson Laboratory created a mouse model for late-onset Alzheimer’s disease by introducing genetic variants associated with the illness into mice. They used transcriptomics to analyze brain tissue and identify key biological signatures, paving the way for testing new therapeutics.
This research perspective reviews the current state of chemoprevention and cancer interception progress in asbestos-induced mesothelioma. The study identifies potential targets for prevention, including inflammatory factors and novel chemoprevention agents.
Researchers discovered that deactivating IL-11 increases healthy lifespan by 20-25% in mice, with reduced cancer deaths, fibrosis, chronic inflammation, and improved muscle strength. The findings raise the possibility of using anti-IL-11 treatments to study aging in humans.
Researchers developed a CRISPR/Cas9 genome editing approach to target and disrupt a specific mutation causing progressive hearing loss. The study found robust preservation of auditory function, with earlier intervention proving most optimal.
Researchers have developed a humanized mouse model with a fully functional human immune system, enabling the study of immunotherapy development, disease modeling, and vaccine development. The new model, called TruHuX, mounts specific antibody responses and can develop full-fledged systemic lupus autoimmunity.
A research team from Osaka University identified a key osteoporosis-related gene, Men1, and developed a new animal model of the disease. The study found that inactivation of Men1 led to cellular senescence in osteoblasts, reducing bone formation activity and increasing bone resorption.
A novel inhibitor HVH-2930 targeting heat shock protein 90 (HSP90) demonstrates efficacy against drug-resistant breast cancer cells. It selectively downregulates HER2 signaling, crucial for breast cancer progression, without triggering the heat shock response.
Researchers created an integrated cellular map of a mouse model heart, pinpointing cells and pathways involved in fibrosis. The study identified myofibroblasts as the major drivers of scarring, but also discovered a 'matrifibrocyte' form that may prevent scar resolution.
Researchers at Virginia Tech have discovered a possible new pathway to treat colorectal cancer by targeting the NF-kB-inducing kinase (NIK) protein. The study, led by Irving Coy Allen, identifies changes in a significant signaling pathway in human patients and presents potential targets for therapeutics.
A Vanderbilt University Medical Center-led research team discovered a connection between obesity and cancer, revealing that macrophages play an unexpected role in the complicated connection. Obesity increases macrophage frequency in tumors and induces PD-1 expression, which can contribute to both increased cancer risk and enhanced resp...
Researchers found that Werner syndrome mice experience age-dependent and sex-specific changes in their livers and immune systems, including fatty liver accumulation and altered lipid metabolism. These findings suggest a potential link between immunoglobulin variants and fatty liver progression in the disorder.
Researchers developed a novel light-sensitive drug that enhances extracellular adenosine activity, inducing sleep artificially without genetic modification. The drug overcomes issues with conventional photosensitive drugs, showcasing optochemistry's potential in targeting A2A receptors and regulating brain function.
Researchers have identified collagen features as valuable biomarkers for evaluating melanoma immunotherapy response. Single-fiber characteristics were found to be more sensitive to treatment-induced changes than bulk collagen features, offering insights into collagen remodeling over time.
A new study at the University of Copenhagen reveals that urolithin A, a naturally occurring substance in pomegranates, can alleviate memory problems and other consequences of dementia. The substance shows promise in improving brain function by removing damaged mitochondria.
A new animal model has been developed to study periodontitis, allowing researchers to analyze tissue components simultaneously. The study found that the expression of the Il1rl1 gene was higher in peri-root tissue five days after ligation, highlighting its role in inflammation and osteoclast differentiation.
Researchers found that iron is a regulator of energy usage by immune cells in the lungs, which can help treat asthma and other allergic diseases. Blocking or limiting iron uptake may reduce asthma severity.
Researchers found that BTF3L4 overexpression mediates APAP-induced liver injury by inducing inflammation and damaging mitochondrial function. Increased BTF3L4 expression is positively associated with liver injury and may serve as a biomarker.
Researchers have discovered how softer tumor environments prime cancer cells to better survive metastasis. The study found that soft environments alter the cancer cells' preference for 'fuel', equipping them with a more resilient energy pathway.
A new murine model of dermatomyositis reveals the underlying immune system involvement in this highly progressive disease. The study identifies key components of the immune system responsible for disease development and suggests potential treatments targeting interleukin-6.
Synthetic platelets made of hydrogel nanoparticles mimic the size and shape of human platelets, promoting clotting and healing. The innovative device has shown promising results in animal models and is being developed for clinical use to treat various medical conditions.
Researchers identify a promising strategy for combating hepatitis B virus (HBV) by boosting the effects of immune cells called stem cell memory T cells (TSCMs). In a mouse model, introducing TSCMs from patients into mice resulted in the elimination of HBV-infected liver cells.
Researchers found that geraniol reduces oxidative stress and neuroinflammation-mediated cognitive impairment in a mouse aging model. Geraniol treatment improved spatial learning and memory by enhancing anti-oxidant and anti-inflammatory effects.
Researchers at the University of Alabama at Birmingham found that blocking Tiam1 activity in spinal neurons abrogates morphine tolerance and hyperalgesia in a mouse model. Prolonged morphine treatment increased activated Tiam1 levels, leading to dendritic spine morphological changes.
A study published in Brain, Behavior, and Immunity found that normal levels of interferon-β are required for normal memory function, and its absence changes nerve cell components in a sex-dependent fashion. The research also showed that higher or lower than normal levels of interferon-β affect the brain in a sex-dependent manner.
Two anti-inflammatory molecules, TGFβ1 and HpTGM, reduce the inflammatory response within the injured heart and scarring. Treatment with these proteins at the time of reperfusion reduces infarct size and mature scar size.
A study using a xenotransplantation model has revealed that human microglia respond to amyloid-β plaques with a complex immune response, influencing the disease course. The research highlights the importance of considering genetic factors in microglia-targeted therapies for Alzheimer's disease.
Researchers have identified PDE4B as a potential target for treating Alzheimer's disease, where reducing its activity shows promise in improving memory and glucose metabolism. The study suggests that this approach may also protect against other forms of dementia, such as Huntington's disease.
Researchers at VUB discovered that targeting the xCT protein can reduce tumour growth while regulating inflammation and improving mood. This finding holds promise for a comprehensive approach to treating pancreatic cancer, a highly malignant form of the disease.
Research reveals a significant connection between oral bacteria and accelerated pancreatic cancer development in mice. Viable Porphyromonas gingivalis was found in the pancreas of healthy mice after gum application, causing changes in the organ's microbial balance.
Researchers from Kobe University developed an AI image recognition algorithm that can predict mouse behavior based on brain functional imaging data, achieving 95% accuracy. The model identified critical cortical regions for behavioral classification and demonstrated near real-time speeds.
Researchers at the University of Illinois have identified a neural-specific protein, PSD-95, as an early biomarker for Alzheimer's disease. The study found that inhibiting PSD-95 slowed seizure activity in mice with amyloid-beta pathology, suggesting potential therapeutic targets for early-stage Alzheimer's.
A new model of glioblastoma's key feature, oncostreams, could help scientists understand how to develop new treatments for this aggressive brain cancer. The model, developed by a team at the University of Michigan, identifies a potential inhibitor that appears to dismantle oncostreams, leading to better survival in mouse models.
Researchers discover dopamine signals affect movement sequence length, shedding light on Parkinson's Disease symptoms and potential therapeutic targets. The study's findings suggest a complex role of dopamine neurons in movement, with distinct effects on movement-related and reward-related dopamine neurons.
Scientists have mapped out the proteins involved in motor neurone disease (MND) across its trajectory, identifying potential therapeutic pathways for further investigation. The study found that a protein-folding factor called DNAJB5 is elevated early on in MND, sparking curiosity about its role in disease progression.
Researchers found GV1001 decreases BACE and Aβ1-42 levels, reducing neurodegeneration and senescence in 3xTg-AD mice. It also increases survival, telomere length, and telomerase activity, contributing to improved lifespan.
Researchers from Florida Atlantic University found that alpha-santalol, a compound in sandalwood oil, decreases cell proliferation and induces apoptosis to prevent prostate cancer development. The study showed a 53% increase in normal tissue area in treated mice, indicating protection against prostate cancer progression.
In a mouse model of multiple system atrophy, alpha-synuclein overexpression induces neuroinflammation, demyelination, and neurodegeneration. IFNγ produced by infiltrating CD4+ T-cells mediates these changes. The study suggests that IFNγ is a potential future disease-modifying therapeutic target.
A novel reporter cell experimental system enables the visualization of sequential changes during endothelial-mesenchymal transition (EndoMT) induced by transforming growth factor-β. Researchers identified CD40 as a potential partial EndoMT marker, which suppresses the transition from partial to full EndoMT.
Researchers discovered that immune cells called natural killer cells rapidly lose their functionality when entering solid tumours, adopting a dormant state. However, targeting the IL-15 pathway can restore NK cell activity and improve tumor control. This breakthrough could pave the way for new cancer treatments.
A study published in Advanced Science identified Engrailed-1 as a key factor promoting pancreatic cancer progression and metastasis. The researchers found that elevated Engrailed-1 levels were associated with severe pancreatic cancer, suggesting it as a potential target for therapies.
La Jolla Institute researchers discovered that prior exposure to a common cold coronavirus partially protects mice from lung damage during a subsequent SARS-CoV-2 infection. Harnessing 'cross-reactive' T cells may lead to novel vaccines with broad, pan-coronavirus protection.
Researchers at the Francis Crick Institute and UCL have identified a gene that causes heart defects in Down syndrome, a condition resulting from an extra copy of chromosome 21. Reducing the overactivity of this gene partially reversed these defects in mice, setting the scene for potential future therapies.
A Cornell University study using lab mice with human genes found that male mice exposed to arsenic developed insulin resistance and Type 2 diabetes, while female mice did not. The researchers identified a biomarker called miR-34a associated with insulin resistance in Type 2 diabetes.
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.
Researchers successfully created a rat-derived lung in mouse model using reverse-blastocyst complementation and tetraploid-based organ complementation. The study identified crucial factors required for functional lung formation, including fibroblast growth factor 10 (Fgf10) and its interaction with Fgfr2b.
A new study challenges traditional male-focused autism research by revealing striking similarities in synaptic abnormalities and behavioral patterns between male and female mouse models. This finding emphasizes the necessity of considering both sexes to comprehensively grasp the complexities of autism spectrum disorder.
Researchers identified Benidipine as a compound promoting the death of cigarette smoke-induced senescent lung cells, improving lung emphysema. The dihydropyridine family of calcium channel blockers constitutes a new class of senolytics that could improve lung diseases.
Researchers at Kobe University developed a new model of mice with humanized immune systems to test anti-cancer drugs targeting the immune system. The study showed that a therapy blindfolding immune cells to self-recognition can activate them to attack tumor cells, promoting an effective cancer response.
A team of Kyoto University researchers found that macrophages produce granulomas through a hyperactive metabolic pathway called the pentose phosphate pathway. Inhibition of this pathway showed therapeutic efficacy in reducing granuloma formation in vitro and in mouse tissue models.
The Cre-LoxP system's specificity is compromised due to non-specific promoters driving Cre expression, leading to inaccurate results. This limitation requires careful consideration for proper interpretation of experimental outcomes.
Researchers discuss CRISPR's limitations in generating accurate cancer models, including variable mutations and indels. Despite these challenges, the technology holds promise for cancer research due to its potential for natural selection and Darwinian evolution.