Articles tagged with Mouse Models
Researchers at Cold Spring Harbor Laboratory created the first cross-species brain map to link mouse and marmoset regions. The study found that 43% of mouse brain regions match with marmoset regions, shedding light on human brain function and potential disease insights.
The Hippenmeyer group has developed a stable mouse stem cell line and created a robust and reproducible mouse cortical organoid protocol. By comparing developmental stages of the mouse brain with those of the organoids using single-cell sequencing, they found similar cell populations and molecular programs.
Researchers found specialized astrocytes in mouse brains that can repopulate damaged areas and rebuild cells. These 'regenerative' astrocytes send newly formed cell nuclei to the site of injury, knitting the network back together.
Researchers at the Batista Lab have identified a gap in current malaria vaccines, which only target one region of the parasite. Adding short peptides to these regions can broaden the immune response and improve protection.
Researchers have developed a 'double-punch' approach to treating brain cancer using light-activated nanoparticles that enable precise imaging during surgery and targeted phototherapy after surgery. The platform has shown promising results in mouse models, achieving 100% survival rate at 60 days.
Researchers found that female mice's microglia form prolonged contacts with neurons during recovery, leading to synaptic remodeling and plasticity. This phenomenon was not observed in male mice, highlighting differences in brain recovery processes between sexes.
Researchers found that a single dose of rapamycin rapidly improved symptoms in adult mice with autism-like changes, reversing abnormal brain signaling and behavior within two hours. The study suggests the adult brain's functional circuitry, not just its physical structure, as a target for future treatment approaches.
Researchers found that mRNA-based COVID-19 vaccines effectively protected Schistosoma-infected mice against SARS-CoV-2, with strong spike-specific antibody responses and CD4 T-cell immunity. The findings suggest that chronic helminth infection does not necessarily compromise vaccine-induced protection.
Two studies found that mice take single sniffs to deliberately probe their environment, like humans. Humans process odors rapidly within a single sniff, mirroring rodent-like olfactory brain processing. These findings suggest fundamental biological rules behind smell processing have been preserved through evolution.
Scientists developed a new population model, APODEMUS, to predict pesticide effects on animal populations. The model simulates complex agricultural landscapes and foraging scenarios, tracking energy conversion and exposure to pesticides.
A new study uses AI to identify promising chemical compounds that could develop into effective antibiotics against multi-drug resistant Neisseria gonorrhoeae. The approach has the potential to address the growing crisis of antimicrobial resistance in this fast-evolving pathogen.
A study published in Cell Host & Microbe suggests that GLP-1 analogs may alleviate depression in mice by modulating the gut microbiome. The researchers found that a specific microbe strain, Lactobacillus delbrueckii, played a key role in this process.
Researchers from Florida Atlantic University have identified a key immune pathway that appears to drive damaging inflammation in Huntington disease. Blocking this pathway reduced brain inflammation, protected neurons, and improved movement in a humanized mouse model of the disease.
Researchers found that Buyang Huanwu Decoction alleviates acute inflammation following spinal cord injury by regulating the complement and coagulation cascades. The treatment promotes neuroprotection and motor function recovery, suppressing microglia-mediated inflammation.
Researchers at Nagoya University identified the neural circuit responsible for timing torpor in mammals, which reduces body temperature and metabolism. The discovery provides new insights into how animals regulate energy use.
A new study found irisin reduces clinical symptoms and neuron loss in a mouse model of MS. Irisin also protects neurons from inflammation-driven neurodegeneration.
Researchers developed a viable homozygous CHD8 mouse model, showing that stronger mutations can dramatically alter male–female autism patterns. The study revealed pronounced autism-related abnormalities in both sexes with severe mutations.
Researchers compared two prevalent MS models to identify specific scenarios where one model is better suited for studying myelin loss and regeneration. The study analyzed preclinical models alongside human MS tissue samples, revealing genetic changes and insights into disease progression.
A new preclinical study reveals that an overactive viral sensor in the immune system can cause severe complications during flu infection in pregnancy. By blocking this sensor, researchers hope to prevent harmful inflammation and protect developing babies.
A research team at the University of Zurich has developed a new gene editing approach that correctly treats the genetic mutation causing hereditary epilepsy in mice. The therapy improves communication between nerve cells, reduces febrile seizures, and increases survival rates.
Researchers discovered a molecular link between multicentric carpotarsal osteolysis (MCTO) and kidney disease, highlighting pathogenic MAFB accumulation and PI3K/AKT signaling. Treatment with imatinib suppressed AKT phosphorylation and attenuated glomerular injury in mice.
Researchers discovered that strokes cause a chain reaction within the brain, leading to neuronal cell death. They found that blocking collagen production can prevent this damage and even restore motor function in paralyzed monkeys. The new drug KDS12025 reduces hydrogen peroxide levels and prevents the entire process from being triggered.
Researchers have overturned decades-long assumptions about why HBV fails to infect mouse liver cells, pointing towards a new disease model. The study suggests that the problem lies in a late step during the viral entry process, which could be disrupted by certain mechanisms.
A Kobe University study reveals a neuronal connection between the motor cortex and insular cortex that regulates tics in Tourette's syndrome. The discovery suggests a new pathway for treating the condition, potentially involving non-invasive therapies like ultrasound neuromodulation.
Scientists corrected a genetic disease of the liver in mouse models and human patient cells using gene editing, building a foundation for a potential new therapy for Zellweger spectrum disorder. The breakthrough restored function of the liver and peroxisomes, reducing toxic buildup.
Researchers found that clonal hematopoiesis accelerates aortic aneurysm progression and that commonly used osteoporosis drugs can slow or halt this process. The study identified a key mechanism by which macrophages contribute to extracellular matrix degradation, providing a potential non-surgical approach for treating aortic aneurysms.
Research in mice suggests artificial sweeteners can affect gut microbiome and gene expression, potentially impacting metabolic health. The study found that offspring of mice fed sucralose or stevia had altered gene expression linked to inflammation and metabolism.
Salk Institute researchers have developed a new biological platform for studying mitochondrial DNA in human physiology, adaptation, and therapeutic development. The platform allows scientists to investigate mitochondrial DNA variation in health and disease, enabling therapeutic innovation for mitochondrial disorders.
Researchers investigated brain mechanisms that maintain balance between intimidation and physical aggression in mice. Projections from the lateral hypothalamus to the dorsal raphe nucleus play a critical role in preserving this balance. Increasing pathway activity led to increased attacks, while inhibiting it decreased attack bites.
A new study by researchers at the University of California, Davis found that breathing in common disinfectant chemicals known as QACs can be far more harmful than swallowing them. The study suggests higher health risks for respiratory diseases such as asthma and COPD from airborne exposure to disinfectant sprays and cleaning products.
Researchers find that nanoparticles from biodegradable plastics like PLA can cross the placenta and disrupt fetal growth in pregnant mice. This raises concerns about the health effects of these plastics on human fetuses.
A new study reveals that astrocytes actively participate in motor-learning circuit rewiring by eliminating synapses in the striatum. The research identifies MEGF10 as a key molecular mediator of this process, which is regulated by dopamine signaling and neural activity.
A study by RIKEN researchers identifies a MYCN-driven biomarker that predicts the risk of liver cancer. The biomarker, known as the MYCN niche score, uses machine learning to analyze gene expression patterns and indicates whether a tumor-free liver is at high risk for developing tumors.
Researchers found that inhibiting microglia activity improved young mice's recall of fearful experiences. Microglia markers were also increased in brain areas related to memory formation, suggesting enhanced memory recall. This study may provide insight into preventing infantile amnesia and understanding human memory loss.
A two-step genome editing method integrates large human genomic fragments into mice, mimicking human regulatory landscapes. This platform enables the creation of physiologically relevant humanized models for therapeutic targets and disease research.
Scientists discovered that the brain sorts emotionally significant stimuli into three independent channels: salience, valence, and value. This allows the brain to evaluate information efficiently and guide decisions.
A multidisciplinary team of world-leading experts is developing an off-the-shelf engineered product that could address liver failure in millions of patients. The ImPLANT project aims to create synthetic biology-based gene circuits in human induced pluripotent stem cells to drive cell differentiation into all required liver cell types.
A Northwestern University study found an injectable regenerative nanomaterial helps protect the brain during a vulnerable window after most common type of stroke. The therapy successfully crossed the blood-brain barrier and reduced brain damage, showing no signs of side effects.
Early gastric cancer cells become self-sufficient by producing WNT7B, creating a self-sustaining loop and activating WNT signaling internally. This mechanism is triggered by MAPK signaling activation and has been validated in genetically engineered mouse models and human patient-derived organoids.
Researchers discovered a low-dose mixture of zinc, serine, and branch-chain amino acids can alleviate behavioral deficits in mouse models of autism by promoting neuronal communication and improving social behaviors. The combination was found to be effective at low doses, whereas individual supplements had no effect.
Researchers developed a new approach using the microbial protein Archaerhodopsin-3 to induce apoptosis in cancer cells, leading to significant tumor shrinkage when exposed to green light. The findings, published by Okayama University, show great potential for this light-activated molecule as a novel cancer therapy.
A study from Gladstone Institutes finds that dysfunctional mitochondria can initiate Parkinson's disease. The researchers used a unique mouse model to demonstrate the link between mitochondrial dysfunction and energy breakdown in cells, shedding light on potential new treatments.
A team of researchers led by Dr. Michele Ardolino is bridging scientific fields to unlock the mechanisms behind effective immune responses in cancer patients. They will study the interactions between the immune system, nervous system, and gut microbiome to design more personalized treatment strategies.
Researchers at UC Riverside and City of Hope have developed a novel Pin1 degrading compound that suppresses pancreatic cancer peritoneal metastases. The treatment targets not only cancer cells but also tumor-supporting cells, potentially overcoming treatment resistance.
A study found that reducing amino acids methionine and cysteine in lab mice' diets led to significant weight loss through increased thermogenesis, similar to cold-induced methods. The research team believes this could be a promising approach for obesity treatments and developing functional food products.
A compound found in rosemary leaves may significantly improve the healing of skin wounds and reduce scarring, according to new research. The study found that carnosic acid, a naturally occurring antioxidant in rosemary, can shift the healing process from scarring to healthy skin regeneration.
The acquisition unifies genetics and stem cell research expertise to accelerate discovery and translate science into therapies. Researchers will gain access to advanced platforms, including the NYSCF Global Stem Cell Array, to study disease mechanisms and test treatments.
Researchers at UZH have identified a new function of checkpoint inhibitors in promoting tissue healing, which could help treat fibrosis and chronic wounds. The study found that TIGIT upregulates a growth factor critical for repairing tissue after viral infections.
Long-term exposure to fine air pollutants like PM2.5 can impair metabolic health by disrupting the normal function of brown fat through complex epigenetic changes. The study identified two enzymes, HDAC9 and KDM2B, as key drivers of this process.
A new technology allows for clear observation of living retina and microglia's behavior, revealing their increased activity before tissue damage in diabetic mice. The study found that the diabetes drug liraglutide reduced microglia's activity in healthy mice too, suggesting a direct modulation mechanism.
Researchers at Champalimaud Centre for the Unknown used machine learning techniques to show that mice's facial movements reflect their hidden thoughts. This discovery could offer unprecedented insight into brain function and potential new research tools.
A new study from the University of Illinois shows that severe flu infection in pregnant mice leads to a breakdown in placental and brain barriers, allowing potentially harmful molecules to accumulate in the fetal brain. Fibrinogen accumulation has also been linked to neuroinflammatory conditions, and researchers found it accumulated in...
This study reveals that GPNMB modifies the tumor microenvironment by repurposing macrophages into immunosuppressive tumor-associated macrophages. The interaction between GPNMB and Siglec-9 enables this reprogramming, leading to increased cancer cell motility and invasiveness.
Researchers at Kobe University have discovered a specific set of neurons that direct mice's attention to peers in need and those who are friends. These 'PV interneurons' play a crucial role in modulating social behavior, including empathy and preference for social targets.
A new study published in Molecular Nutrition and Food Research found that red meat consumption causes an imbalance of bacteria in the intestinal microbiota, leading to exacerbated colonic inflammation. The diets resulted in a decrease in beneficial bacterial strains and an increase in pro-inflammatory cells.
A team of researchers from Okayama University has identified SNAP25 as a key component in the transmission of sour taste signals and the long-term survival of type III taste cells. The study found that mice deficient in SNAP25 had impaired responses to sour-tasting substances, highlighting the importance of this protein in maintaining ...
Researchers discovered a multi-faceted mechanism behind ASD, revealing the gut microbiota and host immune system's influence on disease progression. Precision-selected probiotics restored metabolic balance, reduced neuroinflammation, and ameliorated behavioral abnormalities in ASD mouse models.
A study in mice found that high triglyceride levels directly cause abdominal aortic aneurysms, challenging the notion that they are merely biomarkers of vascular disease. Researchers identified specific proteins and lipoproteins as causal drivers of aneurysm development and growth.
Researchers from FAU and the Sensing Institute created a detailed computer model of the mouse brain's vasculature, simulating how brain blood vessels respond to hemodynamics and vasodynamics. The model shows that transitional vessels play a critical role in regulating flow and protecting the brain during increased activity.
Researchers at Harvard Medical School found that lithium loss in the brain is an early change leading to Alzheimer's, while a novel lithium compound can reverse memory in mice. The study suggests a new theory of the disease and a potential strategy for diagnosis and treatment.