Articles tagged with Mouse Models
Research at Kobe University reveals that endogenous retrovirus activation increases a fetus's susceptibility to autism, leading to differences in brain structure and behavior. The study identifies BTBR/R mice as a more accurate model of autism, exhibiting autistic-like behaviors without reduced learning ability.
Reducing mRNA methylation promotes migration of macrophages into the brain and clearance of toxic protein amyloid-beta. This pathway provides a potential new target for treatment of Alzheimer's disease.
Researchers identified a type of immune cell called age-associated B cells as key drivers of lupus disease. Targeting these cells in a mouse model reduced disease progression, suggesting a potential new therapy for lupus patients.
Researchers discovered a metabolic difference in lung tumor cells between humans and mice, explaining previous study results. The finding suggests targeting the LKB1-controlled metabolic pathway for lung adenocarcinoma treatment.
A recent study published in Immunity found that skipping breakfast can lead to a decline in immune cells and an increased risk of heart disease. The research showed that fasting triggers a stress response in the brain, which negatively affects immune cells.
Researchers at Gladstone Institutes found that ApoE4 from neurons plays a critical role in Alzheimer's disease, contrary to previous focus on glial cells. The study shows that deleting ApoE4 from neurons reduces brain changes resembling Alzheimer's disease, offering new possibilities for treatment.
Scientists at Ben-Gurion University have discovered a groundbreaking treatment approach targeting the mitochondrial gatekeeper VDAC1 for Alzheimer's disease. The new therapy, VBIT-4, demonstrates significant improvement in mouse models, preventing cell death and neuroinflammation while promoting healthy neuron growth.
Researchers found that fasudil reversed reduced pyramidal neuron density and cognitive dysfunction associated with methamphetamine treatment in mice with ARHGAP10 gene mutations. Fasudil also restored the density of pyramidal neurons, improving visual discrimination tests performance.
Scientists have successfully corrected limb length in a mouse model of FZD2-associated autosomal dominant Robinow Syndrome, a genetic disorder that affects skeletal growth and development. The treatment involves using a drug that stimulates the signalling pathway, resulting in significantly longer limbs than untreated mice.
Scientists have developed a mouse model of mpox virus, revealing differences in virulence among genetic groups. The new model shows that the current outbreak strain, clade IIb, has a significantly lower mortality rate than previous strains.
Researchers from Tokyo University of Science discovered β-damascone, a natural aroma compound found in rose fragrance, modulates dendritic cell functions and reduces inflammatory cytokine production. The study showed β-damascone inhibits antigen-dependent activation and Th1 cell development, as well as ear inflammation in mice models.
Research found that cocaine use disorder causes significant gene expression changes in brain regions associated with reward and habit formation, contributing to persistent behavioral abnormalities. The study also identified overlapping molecular changes between cocaine and opioid use disorders, offering potential for targeted treatments.
A mutant SRSF1 gene may cause severe nonalcoholic fatty liver disease (NASH), researchers have found. Mice lacking the gene develop all three hallmarks of NASH: excess fat, inflammation, and scarring in the liver. The study suggests that DNA damage in liver cells triggers this pathology, highlighting the need to protect the genome.
Researchers have developed an inhalable powder called SHIELD that reduces infection in mouse and non-human primate models by reinforcing the body's mucosal layer. The powder is composed of food-grade materials and biodegrades over a 48-hour period, providing protection for up to 8 hours.
A UCF cancer researcher is studying the molecular causes of Alzheimer's disease by examining a protein deficiency in the brain. His research may lead to new targets for therapy and earlier diagnosis. The study focuses on KLF8, a protein important for brain function that has been recorded as deficient in patients with Alzheimer's.
A team of biostatisticians created a framework to evaluate the congruence and discordance of laboratory animals with specific human diseases. The tool removes bias from scientific interpretation of animal data for human conditions, revealing that some models mimic biological mechanisms well while others poorly.
Researchers found that clearance of p16Ink4a-positive cells did not impact β-cell mass, but improved β-cell function and proliferative capacity in a subset of HFD mice. The targeted subpopulation of β-cells is non-proliferative and non-SASP producing.
A new Pitt study reframes understanding of graft-versus-host disease, suggesting that GVHD is locally maintained by donor T cells in target tissues. The research, published in Immunity, offers an alternative model that could guide development of novel therapies and improve outcomes for stem cell recipients.
Researchers have uncovered the underlying mechanism driving depressive systems in chronic pain, identifying a potential therapeutic target for treatment. Tiam1 protein modulates neural connections, leading to hypersensitivity and depression; ketamine blocks this effect, alleviating symptoms.
A UC Riverside study found that fathers exposed to chemicals in plastics can affect the metabolic health of their offspring for two generations. Paternal DCHP exposure led to high insulin resistance and impaired insulin signaling in F1 offspring, while F2 offspring showed weaker effects.
Research from Texas A&M University reveals that male alcohol use has a significant negative influence on in vitro fertilization (IVF) success rates. The study highlights the importance of expanding fertility and prepregnancy messaging to emphasize the reproductive dangers of alcohol use by both parents.
Researchers discover piperlongumine (PL), extracted from long pepper, as a potent antiviral treatment for SARS-CoV-2. PL delays disease progression and reduces lung inflammation in mice infected with alpha, delta, and omicron variants, offering a potential solution to combat upcoming outbreaks.
Researchers analyzed how immunological memory gets generated and maintained to understand its role in cancer and inflammatory diseases. They found that increased inflammation can actually reduce immunological memory, highlighting the need for regulation.
Researchers at Beckman Institute for Advanced Science and Technology will use a unique combination of MRI and mass spectrometry imaging techniques to study Alzheimer's disease on an unprecedented scale. By capturing detailed chemical information, they aim to understand the molecular-level changes that occur in aging brains and develop ...
Researchers found that certain gene signaling pathways, such as interferon γ and beta-catenin, can lead to tumor hyperprogression after immunotherapy. Targeting these pathways may prevent hyperprogression in preclinical models.
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.
A novel treatment involving ACE2-producing probiotic Lactobacillus paracasei may prevent or reverse diabetic retinopathy in Type 1 diabetes patients. The study found that human subjects with retinopathy had a dysregulated systemic RAS and profound gut permeability defects, which were reversed by the probiotic treatment.
Researchers have created a humanized mouse model that can predict the best match for a living organ donor and detect early signs of transplant rejection. The model uses a combination of HLA-G and B regulatory cells to identify patients who may need less immunosuppressive therapy.
Research from Michigan Medicine reveals that high levels of ammonia in colon tumors can lead to reduced T cell growth and immunotherapy resistance. A study published in Cell Metabolism found that using an FDA-approved drug to lower ammonia levels made tumors more sensitive to treatment.
Researchers at the University of Montreal discovered a key mechanism in muscle regeneration, enabling targeted therapies for diseases like muscular dystrophy. By biasing the conformation of a protein called ELMO2, they improved muscle fusion and regeneration in mouse models.
Researchers found that activating the non-mutated form of P53 can change the fundamental makeup of cancer stem cells in mouse models of mucoepidermoid carcinoma. This new therapy approach shows promise for treating this lethal form of salivary gland cancer.
Researchers found that glutaminase inhibitor BPTES selectively eliminates senescent dermal fibroblasts, improving skin aging phenotype by increasing collagen density and cell proliferation. The study suggests BPTES as a potential therapeutic agent for skin aging, offering new treatment options.
A team of researchers discovered that the gut microbiome plays a critical role in driving granulopoiesis, a process formation of granulocytes, in mice models. The study found that alterations in the gut microbiome composition induced by neutropenia stimulate reactive granulopoiesis via interleukin 17A secreted by T cells, promoting neu...
Inducing a hibernation-like state in mice using Q neuron activation has been shown to protect kidneys from oxygen deprivation and avoid harmful side effects. This technique could lead to new methods of performing heart surgery with reduced organ damage.
Researchers have identified potential new lead compounds for treating depression and anxiety disorders, which display reduced risk of drug abuse and adverse effects. These substances, derived from synthetic cathinone compounds, are known to release serotonin without significantly increasing dopamine levels in the brain.
Researchers developed a mouse model of pediatric glioma with a histone mutation called H3.3-G34, revealing a promising outlook for long-term survival through radiation therapy combined with small-molecule inhibitors. The treatment approach also showed immune memory, allowing mice to eliminate new tumor growth without additional treatment.
A live biotherapeutic product made from three Lactobacillus species has been shown to reduce lung damage in neonatal mice with chronic lung disease. The study found that the product can ameliorate redox imbalance and damages caused by experimental microbial dysbiosis, using a humanized mouse model of lung microbiome transplant.
Researchers found that deleting a copy of the Arid1b gene in specific brain cells decreased inhibitory signaling, leading to changes in synaptic properties and connectivity. The study suggests that this gene may be a key target for therapeutics in treating autism spectrum disorder.
Researchers found that MK256 induced differentiation and maturation in leukemia stem cells, inhibiting proliferation of AML cell lines. The study also showed dose-dependent inhibition of the STAT pathway in both in vitro and in vivo studies.
Research shows COVID-19 can cause long-term changes to brain function through inflammation, affecting mood, concentration, and cognitive abilities in both young and old patients. Millions are potentially affected by this condition, also known as Long COVID.
Researchers from Tokyo University of Science found that chronic social defeat stress (cSDS) induced mice showed higher intestinal transit ratio and visceral pain-related behaviors, similar to IBS. The study suggests that prolonged psychological stress can cause IBS-like symptoms in mice without intestinal lesions.
The HUSH complex is involved in normal brain development, neuronal individuality, and connectivity. The complex also regulates repetitive-like gene clusters, including protocadherin gene clusters, which are essential for neuron-to-neuron interactions.
Researchers from Hokkaido University have identified a link between succinyl-CoA levels and energy metabolism in heart cells affected by chronic heart failure. Supplementation with 5-aminolevulinate acid improved heart function and oxidative phosphorylation capacity in mice with surgically blocked blood supply.
Researchers discovered a molecular link between disrupted circadian rhythms and lung tumor growth, implicating a cancer-signature gene known as HSF1. Disrupted clocks may trigger lung tumors in individuals with irregular sleep patterns or night shifts.
Researchers at Osaka University have developed a mouse model that shows Favine protein can protect against atherosclerosis and thrombosis. The study also found that reduced levels of Favine are associated with calcification and thrombus formation, revealing a new potential therapeutic target for treating atherosclerosis.
Researchers found positive correlations between lipoxin A4 and cognitive brain functions, as well as its potential to potentiate the endocannabinoid system. The study suggests that reducing levels of this substance may weaken the body's defenses against neurodegeneration.
Researchers at Hokkaido University have developed a biosensing technology to detect amyloid β build-up in the brain from biomarkers in blood samples. The Digital ICA TM technology can detect Aβ-binding exosomes in mice, increasing with age and disease progression.
The fasting-mimicking diet reduced Alzheimer's pathology in mice, including amyloid beta and tau protein levels, and showed less brain inflammation. Mice on the diet also performed better on cognitive tests, with some showing improved performance comparable to non-Alzheimer's mice.
A study identifies a molecule called NIK that promotes the growth of bile duct cells in the liver, leading to scarring and liver fibrosis. Removing NIK or blocking its action with inhibitors may prevent disease progression.
Researchers from the University of Copenhagen have identified a new mechanism in ARVC that could lead to a potential treatment strategy. They found that activating sirtuin-3 can slow down disease progression, and honokiol, a natural product extracted from the tulip tree, has been shown to work similarly.
Researchers at Nagoya University have discovered a new treatment for type 1 diabetes that uses leptin to improve insulin-alternative effects in mice. The combination of leptin and a PTP1B inhibitor normalizes blood glucose levels without the need for insulin, reducing hypoglycemia risk.
Researchers have developed a mouse embryo model using only embryonic stem cells, achieving a high level of developmental stages including beating hearts and brain formation. This advancement opens up new avenues for understanding human pregnancy loss and developing organs in culture.
A new study by Kyoto University found that Regnase-1 gene expression is low in patients with pulmonary arterial hypertension (PAH), mirroring the pathology of humans. The protein's mRNA degradation leads to PAH inhibition, offering a potential new treatment for heart failure and premature death.
Researchers identified critical period plasticity in the amygdala that can be treated with therapeutic intervention at key developmental time points. Early pharmacological intervention was shown effective in reducing fear-learning in the mouse model.
A newly identified link between chronic pain and lung cancer in mice suggests that old drugs such as clonidine, capsaicin, and fluphenazine may offer new treatments for chronic pain. The study found that blocking the BH4 pathway reduced pain sensitivity and decreased tumor growth in mouse models of KRAS-driven lung cancer.
A team from the University of Tsukuba has developed a mouse model carrying a disease-associated mitochondrial mutation, which reveals that faulty RNA processing is responsible for metabolic disorders. The study provides new avenues for scientific discovery in understanding mitochondria and multiple diseases.
A team of researchers from Florida Atlantic University and Tel Aviv University are investigating the connection between neuroimmune serotonergic interactions and Alzheimer's-related mood disorders. By studying mice with AD-linked mutations, they aim to determine if immune-serotonin crosstalk plays a role in depressive traits.
Researchers have developed a model mouse embryo that has beating hearts, foundations for a brain, and all the organs in a mouse body. This breakthrough could help understand why some embryos fail and provide insights into repairing synthetic human organs.
Researchers at the University of Cambridge have successfully grown a model embryo with a brain, beating heart, and all other organs using mouse stem cells. This breakthrough could help understand why some pregnancies fail and develop a new approach for repairing synthetic human organs.
Research on mice reveals that older fathers produce pups with reduced vocal complexity and lower body weights, similar to children with neurodevelopmental disorders. The study provides evidence for the risk factor of advanced paternal age on infant development.