Articles tagged with Protein Expression
Researchers found that HSP72 protects retinal ganglion cells and lateral geniculate body in a rat model of chronic ocular hypertension from injury by blocking the activation of the stress-activated kinase/c-Jun N-terminal kinase apoptotic pathway. Zinc sulfate inhibited HSP72 expression, while quercetin induced its expression.
Researchers have identified a key gene linked to Huntington's disease as also playing a crucial role in normal long-term memory formation. The study used the marine snail Aplysia to explore this connection and found that eliminating the protein disrupted memory formation.
Researchers found that Asiaticoside pretreatment decreased neuronal cell loss and restored apoptotic-related protein expressions. It also inhibited Ca2+ influx induced by N-methyl-D-aspartate receptors, providing new insights into its neuroprotective effects.
Researchers found that autophagy is activated in the hippocampus of vascular dementia model rats, leading to neuronal injury. Inhibiting autophagy has shown neuroprotective effects, suggesting it as a novel pathway and target for drug treatment of vascular dementia.
Researchers review the role of PIWI proteins and piRNAs in regulating gene expression during germline development and beyond. Recent studies have identified novel mechanisms of epigenetic programming, DNA rearrangements, mRNA turnover, and translational control in both germline and somatic tissues.
A study published in Neural Regeneration Research found that acupuncture and moxibustion can reduce neuronal edema in Alzheimer's disease rats. The treatment modality targets axin and β-catenin protein expression, a key pathway involved in Wnt signaling.
The study found that low concentrations of lithium carbonate had a protective effect on SH-SY5Y cells, with reduced expression levels of pyruvate kinase 2 and calmodulin 3. Additionally, western blot analysis revealed increased expression of stress proteins GRP94 and HSP27.
Researchers found that TAG-1 enhances proliferation and induces apoptosis-related gene expression without triggering apoptosis in U251 glioma cells. This study provides novel insight into the mechanisms of glial tumorigenesis by revealing the effects of transient axonal glycoprotein-1 on cell viability and signaling pathways.
Using mouse models, researchers identified a protein that regulates alternative splicing and affects heart contraction and function during postnatal development. CELF1 protein plays a crucial role in regulating certain alternative splicing events, which are associated with endocytosis and vesicular trafficking.
Researchers identified correlations between protein expression levels and improved survival rates in HPV-negative head-and-neck cancer patients. Survivin expression may serve as a marker for better patient outcomes, particularly those treated with surgery plus radiation.
Researchers at the University of Notre Dame have developed the largest data set on developmental proteomics for any organism, analyzing nearly 4,000 proteins in African clawed frog embryos. The study reveals unexpected discordance between messenger RNA and protein levels, shedding light on key events during early development.
A team of Caltech researchers has developed a mathematical model to describe the competition between genes for regulatory proteins. The model accounts for the limited availability of transcription factors, leading to correlations between gene copies and a regime where some portion glows green all the time.
A recent study published in PeerJ challenges previous findings that suggested translation and protein turnover play a larger role in determining protein expression levels than transcription. The new analysis reveals that mRNA levels explain ~81% of the variance in protein levels, while transcription explains ~71%.
Researchers at UC Santa Barbara gained insight into factors affecting mammalian circadian oscillations, which could lend themselves to circadian regulation and pharmacological control. Their work suggests that high-amplitude circadian rhythms are associated with a lower risk of diseases like diabetes and obesity.
Dr. Jeffrey Chuang has been awarded a two-year grant to investigate how RNA interacts with proteins to change gene expression in human diseases such as cancer and muscular dystrophy. His research aims to decipher the root causes of these diseases using new mathematical and computational approaches.
A study of over 57,000 people identified five new genes associated with increased waist-to-hip ratio, a precursor to diseases like cardiovascular disease and type 2 diabetes. The research found that one gene, SHC1, is linked to abdominal fat and may play a role in metabolic imbalance.
Researchers found that myotonic dystrophy type 1 disrupts the normal control of gene expression in heart tissue, specifically affecting microRNAs. This disruption leads to abnormal protein activity, resulting in disease symptoms such as heart malfunction and death.
Researchers at University of Pennsylvania develop method to deliver protein across blood-brain barrier, degrading Alzheimer's plaques by up to 70% in mice brains and human brain tissue. The approach uses cholera toxin B as carrier and myelin basic protein to break down amyloid beta chains.
Synaptosomal-associated protein-25 expression is significantly lower after subarachnoid hemorrhage, which may relate to cognitive disorders that follow. The study found lower expression levels in the temporal lobe, hippocampus, and cerebellum at days 1 and 3.
A recent study found that valproic acid significantly increased Bcl-2 and growth associated protein 43 expression, and reduced c-Jun expression after brachial plexus avulsion in Wistar rats. This suggests that valproic acid can protect neurons and enhance neuronal regeneration following the injury.
The Cardiovascular Institute at Rhode Island Hospital will present 22 abstracts on various aspects of cardiovascular research, including arrhythmias, myocardial function, and electro-mechanical cardiac function. Researchers from the institute are among the largest group of scientists presenting their work at the AHA Scientific Sessions.
Researchers found that natural selection acts on evolvability, favoring traits that enable rapid adaptation and evolution in pathogens like Lyme disease bacteria. This is evident through increased genetic diversity among unexpressed cassettes, which offer a window into past natural selection for more evolvable VlsE protein.
Researchers at the University of Texas at Arlington are developing a new method to deliver genes that allow expression of light-sensitive proteins, enabling optogenetic stimulation. This technique holds promise for treating neurological disorders and understanding brain function.
A study published in Neural Regeneration Research found that treadmill step training significantly improved spontaneous motor activity in rats with incomplete spinal cord injury. The training also promoted neural plasticity and growth-associated protein-43 expression, leading to functional recovery.
Researchers have identified specific molecules called microRNAs that regulate both good and bad protein levels in the brain. Targeting these molecules may help preserve brain function and detect Alzheimer's disease at an earlier age.
Researchers found that Danhong injection enhances the expression of transforming growth factor-beta 1 and GM130, maintaining neuronal Golgi morphology and structure after cerebral ischemia-reperfusion injury. This study suggests a potential neuroprotective effect of Danhong injection in treating cerebral ischemia-reperfusion injury.
Salvianolic acid B, a compound found in salvianolate, has been shown to attenuate brain tissue damage and inhibit neuronal apoptosis in cerebral ischemia-reperfusion injury models. The study suggests that salvianolate increases heat shock protein expression, which may help protect against such injuries.
Researchers at the University of Chicago have discovered that mRNA expression levels do not always reflect differences in protein expression between humans and chimpanzees. This finding suggests that protein expression levels may evolve under greater evolutionary constraint, potentially due to a yet-uncharacterized compensation mechanism.
Researchers from CNIC and CSIC discover that inhibiting protein Rcan1 reduces burden of atherosclerosis in mice. Genetic inactivation of the protein represses disease development by favoring anti-inflammatory characteristics in macrophages.
Researchers have identified ASCL1 as a biomarker for aggressive adenocarcinomas in smokers' lungs. The protein is associated with increased expression of the RET oncogene, a key driver of cancer progression. Blocking ASCL1 may slow tumor growth and offer a promising target for potential drugs.
Researchers found that stress-related proteins were induced by ischemia/reperfusion injury, exhibiting a protective effect on neurons. Heat shock cognate protein 70 expression was also detectable in glial cell and Schwann cell nuclei after the injury.
Astragaloside IV, a compound from traditional Chinese medicine, enhances sciatic nerve repair through anti-inflammatory and antioxidant effects. Upregulation of growth-associated protein-43 is associated with this process.
A study published in Cell identifies a subset of proteins in the brain that persist for longer than a year, potentially revealing the molecular basis of aging. These long-lived proteins are thought to be the 'weakest link' in the aging proteome and may play a role in cellular aging.
The motor relearning program significantly promotes neuronal regeneration and repair, as well as angiogenesis in damaged brain tissue. This study provides a new theoretical idea for the clinical treatment of brain ischemia.
Researchers cracked the 'RNA control code' to understand how it dictates gene expression and movement. The team identified patterns in RNA molecules that can be used to identify new treatments for conditions like autism.
Researchers found a potential link between homocysteine levels and schizophrenia risk through epigenetic mechanisms. Elevated plasma homocysteine may contribute to gene expression changes that increase the likelihood of developing the disease.
The study reveals HDAC3 plays a key role in regulating gene expression, chromatin structure, and genome stability. Disruption of HDAC3 expression leads to impaired hematopoiesis, highlighting its importance in stem cell functions and bone marrow failure syndromes.
Researchers found a strong correlation between MET protein levels and epithelial-mesenchymal transition (EMT) phenotype in colorectal cancer. This association suggests that MET protein may serve as a surrogate biomarker for aggressive colon cancer, potentially enabling personalized treatment approaches.
Researchers at Memorial Sloan-Kettering Cancer Center have discovered that expression of TRAIL in transplanted hematopoietic stem cells is critical for an effective anti-tumor response. This finding has led to the development of new therapeutic strategies to suppress graft-versus-host disease while maintaining anti-tumor activity.
Scientists at the University of Pennsylvania School of Medicine have discovered a way to repair lung damage caused by asthma and chronic obstructive pulmonary disease (COPD) by tweaking gene expression. They found that epigenetic regulators, including HDAC2, play a critical role in regulating lung development and regeneration.
A study found that male rat pups have more of a specific brain protein associated with language development than females. The researchers also discovered sex differences in the brain protein in children, with girls having higher levels of the Foxp2 protein in the cortex.
Researchers identified a compound that blocks the expression of BLM protein, crucial for certain tumors to grow. The compound ML216 has the potential to stop tumor growth and is being explored as a treatment for osteosarcomas and soft tissue sarcomas.
Researchers at Karolinska Institutet have identified the DNA sequences that bind to over 400 proteins controlling gene expression, representing half of all human transcription factors. This discovery provides a valuable resource for furthering our understanding of the human genome and its role in disease development.
Researchers at the University of Texas Southwestern Medical Center found that activating the unfolded protein response (UPR) triggers the expression of Xbp1s, a protein regulating genes needed for metabolic switch. This suggests Xbp1s could play a role in metabolic disease.
Higher serum ferritin levels are linked to lower adiponectin production, a protein regulating blood glucose. Reducing ferritin levels improves insulin sensitivity and glucose tolerance in humans.
A team of researchers from UNIGE, Switzerland, discovers a molecular mechanism that links body temperature to the expression of 'clock genes' and local oscillators. They also find that this mechanism affects detoxification and drug metabolism, with potential implications for understanding human physiology.
A new study by Yale School of Medicine researchers found that natural birth triggers the expression of a protein called UCP2 in the brains of newborns, improving brain development and function in adulthood. In contrast, C-sections impaired UCP2 expression, leading to reduced hippocampal neuron development and related behaviors.
Researchers discovered that RfaH protein can unfold and reform into a completely new structure, granting it an additional function. This remarkable ability has significant implications for gene expression control and protein structure studies.
IRCMM researchers defined the genome-wide interaction between Stat3 and glucocorticoid receptor GR to control inflammation. This breakthrough sheds light on how these proteins regulate genes involved in development, metabolism, and immune response.
Scientists at Johns Hopkins Medicine have discovered a protein that regulates brain development by blocking Notch proteins. The discovery, published in Developmental Cell, sheds light on developmental disorders and conditions involving new neuron generation.
Research finds chronic cocaine exposure reduces Rac1 protein expression, driving structural changes and increased sensitivity to cocaine's rewarding effects. This discovery suggests a potential new target for treating cocaine addiction treatment.
Researchers discovered how ARTD1's DNA recruitment is regulated during inflammation, influencing gene expression and inflammation. The protein is cleaved by caspase 7 into two pieces that can no longer bind to DNA, leading to more efficient gene expression.
Researchers found that Jarid2, a component of the Polycomb repressive complex 2, occasionally activates gene expression in fruit fly embryos. This challenges the traditional view of Polycomb proteins as transcriptional repressors, suggesting a more complex role for PRC2 and its components in development and cancer.
Researchers shed light on how physical traits are arranged in body plans by studying fruit fly Drosophila. They found that a single gradient of proteins is not sufficient to form the same body plan in each member of a species, but multiple gradients working against each other create a robust system for normal development.
Researchers from SomaLogic and the University of Washington identified 36 proteins with significant expression changes in lung cancer tissue samples, including 13 new biomarkers. This study provides new insights into NSCLC biology and suggests potential therapeutic targets.
Researchers identified peroxiredoxin 2 as a key protein in predicting pulmonary metastases in breast cancer patients. The protein protects tumor cells from oxidative stress and promotes growth and proliferation in the lung. Modulating PRDX2 levels may provide a new therapeutic approach to prevent lung metastases.
A study published in Science reveals that a gene silencing protein plays a crucial role in completing the transcription process, which is essential for successful gene expression. The research found that the protein helps to terminate transcription, forming the correct gene product.
A study at Tufts University has identified specific epigenetic signatures that can predict the expression of a wound-healing protein in reprogrammed skin cells. This breakthrough brings researchers closer to developing personalized tissue regeneration strategies using stem cells from patients, eliminating the need for human embryonic s...
Scientists at Boston University School of Medicine have identified a key protein, Fur, that controls the expression of hundreds of genes in Neisseria gonorrhoeae, a pathogen responsible for the second most common infectious disease worldwide. This novel pathway may lead to new treatment methods and therapeutic interventions for gonorrhea.
Researchers develop a hybrid protein that blocks Xf infection, reducing reliance on chemicals in vineyards. Engineered grapevines produce the protein, which creates pores in the bacterium's membrane, killing it and preventing Pierce's disease symptoms.