Researchers developed efficient lentiviral and adeno-associated virus-based approaches to deliver CFTR genes to the airways of pig models with cystic fibrosis. These methods resulted in functional CFTR expression, improving early cystic fibrosis pig phenotypes.
A set of microRNAs, known as C19MC, was found to be specific to infantile hemangiomas and detectable in patient plasma. These microRNAs may serve as biomarkers for IH diagnosis and treatment monitoring, with levels decreasing before tumor regression but rebounding upon re-growth.
Researchers developed an assay to identify chemotherapy-resistant cells in acute myeloid leukemia (AML) tumors. The least sensitive cells can predict a patient's response to chemotherapy, improving therapeutic outcomes.
Researchers have discovered a potential new approach to treating triple negative breast cancer by targeting enhanced mitochondrial function. Mice studies showed that inhibiting mitochondrial protein translation could slow tumor growth, suggesting this strategy may be a successful treatment option.
Research by Adam Rose at German Cancer Research Center shows that low protein diets can improve glucose homeostasis and reduce metabolic disorders in obese mice. Low protein intake activates stress response pathways in the liver, promoting metabolic integrity.
A new cell therapy product called DUOC-01 promotes faster axon remyelination in mice treated with a demyelinating chemical agent. The treatment also enhances the differentiation of oligodendrocyte progenitor cells, suggesting potential for neuronal repair and remyelination in patients with demyelinating diseases.
Researchers found that Zika virus productively infects primary human placenta-specific macrophages, with 10-15% of placental macrophages infected. The study suggests that placental macrophages may play a role in maternal-fetal Zika transmission and warrants further investigation.
Researchers developed a non-invasive MRI-based method to quantify dermal fat, total WAT volume and BAT activation in mice and humans. Studies showed that dWAT thickness was highly variable between subjects and increased in genetically obese mice and those fed high-fat diets.
Research at the University of Montreal found that high urea levels impair insulin secretion and blood glucose regulation in chronic kidney disease. A mouse model study demonstrated similar reductions in insulin secretion and poor glucose control when urea was increased.
A study led by Daniel Kelly identified MondoA as a regulator of key pathways controlling glucose uptake and fat accumulation in muscle cells. Deactivation of MondoA resulted in enhanced glucose uptake and insulin signaling in mice, indicating potential therapeutic targets for preventing and treating obesity-related insulin resistance.
A team of researchers found that a subset of macrophage cells in the heart produce molecules attracting neutrophils. Loss of these macrophages or blocking their production reduces neutrophil migration to the injured area. The study suggests resident macrophages provide signals calling neutrophils to the site.
Researchers developed a vaccine made from an engineered HSV-2 virus that lacks expression of glycoprotein D, which protects mice from multiple clinical isolates of HSV-1 and HSV-2 infection. Mice rapidly cleared the virus after infection and did not develop long-term latent infections.
Researchers link vitamin A metabolism to eye fibrosis, finding that retinoic acid triggers fibroblast signaling promoting scarring. Inhibiting aldehyde dehydrogenase may prevent ocular fibrosis.
Researchers found that eliminating p19ARF-expressing cells enhances pulmonary function in mice. Senescent cells contribute to tissue aging and impaired lung function with age.
Research led by Catherine Hedrick found that removing ATP-binding cassette transporter G1 (ABCG1) from immune cells increases regulatory T cell production, decreases pro-inflammatory T cells, and reduces atherosclerotic lesions in mice. This suggests that therapies targeting ABCG1 could help control atherosclerosis.
Researchers have identified BRCA1 mutations that predict treatment resistance in breast and ovarian cancers. Studies found that tumors with these mutations express a RING-deficient BRCA1 protein, leading to poor treatment responses.
A DNA-modulating drug, BET inhibitor, attenuates CF lung inflammation by suppressing Th17 cell response and inflammatory factor release. In a mouse model, BET inhibitor treatment decreases lung inflammation without promoting infection, suggesting potential therapeutic use for CF patients.
A new study led by William Kerr of SUNY Upstate Medical University found that SHIP1 inhibition improved metabolic phenotypes in mice fed a high-fat diet. The results showed that SHIP1 inhibition prevented excess weight gain, improved blood sugar control, and reduced inflammation in adipose tissue.
Researchers developed an analog of an investigational drug that binds to portions of the androgen receptor common to full-length and variant forms. This compound specifically detected prostate cancer cells expressing androgen receptor in a mouse model using SPECT/CT imaging.
Sorafenib treatment reduces immune-suppressive phenotypes in HCC patients, including decreased PD-1 expression and lower regulatory T cells. These responses correlate with increased overall survival.
Engineered CAR T cells targeting multiple tumor antigens show improved anti-tumor activity and survival rates in an animal model of glioblastoma. This approach could lead to more effective immunotherapies for certain types of cancer.
Researchers found that inhibiting Apolipoprotein C-III (ApoC-III) decreases triglyceride levels in blood by targeting similar pathways as LDL cholesterol. Treating mice with an ApoC-III inhibitor lowered triglycerides, but the effect was blocked in mice lacking key components of the LDL signaling pathway.
Researchers found that early combination antiretroviral therapy (cART) blunts gastrointestinal inflammation and immune activation in acutely infected HIV patients. However, cART did not restore CD4+ T cell counts in the gut, suggesting that earlier therapy may be beneficial but with limited long-term benefits.
A new study reveals that biofilm formation is a common feature of group A streptococcus necrotizing soft tissue infections, leading to higher bacterial loads, extensive inflammation, and more severe tissue damage. Biofilm should be considered as a complicating factor of NSTI.
Scientists at Vanderbilt University have developed monoclonal antibodies that effectively neutralize the H3N2 variant virus (H3N2v) in human subjects who received an experimental vaccine. These antibodies were able to neutralize H3N2 strains circulating between 1995 and 2005, but not currently circulating human H3N2 strains.
Researchers found that immune checkpoint blockade improved survival and promoted immune cell infiltration into tumors when combined with an antitumor vaccine. The study suggests PD-1 and PD-L1 may help tumors evade vaccines, supporting testing of therapeutic combinations in clinical trials.
Researchers found that c-Abl activation accelerates α-synuclein accumulation and motor deficits in Parkinsonian mice. This suggests a potential role for c-Abl in promoting neurodegeneration in Parkinson's disease.
Research by Thomas Willnow found that SORLA regulates insulin signaling, leading to increased fat accumulation and obesity in mice. Reducing SORLA levels protected against diet-induced obesity.
Researchers identified a genetic mutation in the ADRA2A gene that causes atypical lipodystrophy, characterized by excessive fat accumulation in the face and neck, but not in limbs. The mutation reduces adrenaline receptor function, leading to loss of lipid breakdown in adipocytes.
Researchers found that combining radiotherapy with PD-1 blockade therapy improved survival rates in a murine lung cancer model. However, this treatment approach showed no benefits for tumors that had relapsed after radiation therapy, highlighting the need for personalized medicine strategies.
Researchers found that B cells from African American lupus patients expressed more proteins characteristic of activated B cells, contributing to disease severity. These findings suggest enhanced activation of B cells may play a role in increased SLE severity among African Americans.
Researchers found that genetic variants of the S1P1 receptor influence fingolimod's effectiveness in treating multiple sclerosis. The study used mouse models to demonstrate that an S1PR1 variant affecting phosphorylation ability led to reduced fingolimod efficacy, and treatment with a CCR6-blocking antibody delayed disease progression.
A study by Stanford University researchers has identified CD47, a protein highly expressed on the surface of small-cell lung cancer cells, as a potential therapeutic target. Blocking this protein with immunotherapies may stimulate the immune system to destroy cancer cells, offering new hope for treating this deadly disease.
Elevated sFLT1 levels in mice predict preeclampsia-like symptoms, including increased angiotensin II sensitivity and decreased nitric oxide production. Treating preeclamptic mice with sildenafil reversed symptoms and improved fetal health.
Researchers discovered that pulmonary artery stiffening occurs early in the disease process and promotes vascular remodeling by altering signaling pathways. This finding highlights the importance of addressing pulmonary artery stiffness as an early driver of pulmonary hypertension.
Researchers identify human satellite II (HSATII) RNA as a promising early detection method for pancreatic cancer, with significantly higher levels found in patients' blood serum. A pilot study validated the test's ability to detect pancreatic cancer and a precancerous lesion in two cohorts of patients.
Researchers found that kidney-specific deletion of the D2 dopamine receptor increased inflammation and hypertension, while restoration of DRD2 expression decreased these effects. The study suggests that targeting DRD2 may be a useful approach for treating renal injury.
Researchers have found that tromethamine, a drug approved to treat metabolic acidosis, can raise the pH of the airway surface liquid (ASL) and enhance bacterial killing activity in cystic fibrosis patients. This suggests that tromethamine may be beneficial in treating CF airway disease.
Research found that high arginine levels support metabolic pathways that reduce airway inflammation in asthma. Elevated arginine metabolism in human cells and mice improved mitochondrial function to offset inflammation.
Researchers at KARBio LLC and Genentech Inc. discovered that targeting human CRTh2 (hCRTh2) depletes immune cells implicated in asthma-associated inflammation, reducing cytokine production and lung inflammation in asthmatic mice. The study's findings support further exploration of hCRTh2 as a therapeutic target for asthma treatment.
A study in mice lacking the proinflammatory signaling molecule TAK1 demonstrates protection against diet-induced obesity and insulin resistance. The removal of TAK1 from mice fed a high fat diet prevented additional weight gain and improved glucose tolerance.
A research team identified low expression of methylation-controlled J protein (MCJ) as a marker of poor response to chemotherapy in triple-negative breast cancer patients. They found that MCJ-expressing tumors had reduced relapse-free survival and that mice deficient in MCJ had larger tumors and increased chemoresistance.
Researchers have identified a method to scavenge inflammatory molecules that mediate sepsis in mice, using the protein haptoglobin. Haptoglobin-based therapies could potentially be used to treat HMGB1-mediated inflammatory diseases such as sepsis.
Researchers link abnormal SHP2 signaling to lupus-like symptoms in mice, showing that inhibiting SHP2 improves symptoms and lifespan. Targeting SHP2 in T cells reduces inflammatory cytokine production, suggesting a new therapy approach.
Researchers found that BST-2 is an important target for viral replication in the brain and that preventing HIV inhibition of this factor may reduce neurocognitive disorders. Mutations in the viral envelope were shown to enhance antagonism of BST-2, leading to efficient viral replication in the CNS.
Researchers have discovered a gene signature that characterizes the transition from dilated cardiomyopathy (DCM) to heart failure. The study found increased expression of fibrotic and inflammatory genes, as well as changes in heart muscle cell proliferation and metabolic profiles.
A subset of immune cells expressing protein CD146 is associated with the development of gastrointestinal graft-versus-host disease (GI-GVHD) after hematopoietic cell transplantation. The discovery could lead to the identification of patients at risk for GI-GVHD and personalized treatment strategies.
Researchers found that pre-treatment with an Alk5 inhibitor enhances the delivery of ferumoxytol to tumors, allowing for improved imaging. The study demonstrates potential for Alk5 inhibitors to improve tumor imaging and diagnosis of solid tumors.
A new antibody, CSL362, specifically targets and depletes plasmacytoid dendritic cells and basophils involved in systemic lupus erythematosus (SLE). This depletion reduces production of type 1 IFN and prevents expansion of antibody-producing cells, showing promise as a potential therapeutic target for SLE treatment.
Researchers found that increased insulin signaling reduces atherosclerosis development and improves aorta function in atherosclerosis-prone mice. The anti-atherogenic effects were linked to induction of nitric oxide and activation of downstream pathways, including endothelin receptor B (EDNRB).