Articles tagged with Enzymes
A recent study found that the APOBEC3G enzyme can cause numerous mutations in bladder tumor cells, leading to increased malignancy and mortality. The research suggests that this enzyme could be a potential target for cancer treatment strategies.
Researchers found a new role for enzymes regulating genome function, which is linked to diseases such as brain tumors, blood cancers, and Kleefstra syndrome. The discovery could help understand these diseases and develop new treatments.
Researchers analyzed COX-2 levels and segmental chromosome aberrations in pediatric neuroblastoma tumor samples. Positive correlations between pre-CT Ch 7q gain and COX-2 expression were found, as well as negative correlations between Ch 7q gain and Ch 11q deletion.
In a groundbreaking study, researchers at Eötvös Loránd University have found that gland cells in Drosophila melanogaster can remove defective secretory particles as early as the secretion process begins. This discovery sheds new light on crinophagy, a previously understudied process crucial for maintaining cellular quality and function.
A global study reveals that antimicrobial resistance genes in bacteria are driven by various factors, including geographic regions and hosts. The research identifies key genes conferring resistance to critically important drugs, shedding light on the mechanisms of transmission and the need for collaborative interventions.
Researchers at Johns Hopkins Medicine discovered that regulating the electrical charge on the inner side of the cell membrane can activate pathways responsible for cell movement. This finding has potential implications for understanding cancer cell migration and immune cell function.
A University of Ottawa-led team identified a new entry route for SARS-CoV-2 using metalloproteinases, which may lead to more widespread cell infection and severe illness. The study suggests that variants like the Delta strain may prefer this entry method, while others like Omicron do not.
Researchers from University of Cologne and Technical University of Munich discovered that the signal peptidase complex plays a crucial role in quality control of membrane proteins. The complex cleaves faulty membrane proteins to initiate their degradation, maintaining cellular function. This discovery has important implications for und...
A team of scientists, led by Marco Fraaije from the University of Groningen, has developed an enzyme that can convert lignin monomers into useful chemical building blocks. The enzyme has been engineered to be stable, selective, and faster in conversion, offering a promising solution for the valorization of biomass.
Researchers found an imbalance in an important immune system signaling pathway associated with severe COVID-19. They detected dysregulation of the immune system mediated by ATP, leading to a pro-inflammatory state and potentially fatal systemic inflammation.
University of Copenhagen researchers made a groundbreaking discovery about the mammalian brain, finding that a vital enzyme that enables brain signals is switching on and off at random intervals. This challenges the long-held assumption that these enzymes are active at all times to convey essential signals continuously.
Researchers discovered how enzymes metabolize chiral PCBs, leading to neurodevelopmental issues. The study found that mirror-image isomers are metabolized differently, causing selective toxicity in humans and animals.
Researchers at Max-Planck Institute for Terrestrial Microbiology have deciphered the biosynthesis of benzobactins, a class of natural compounds with special biological activity. The study reveals that these compounds are widespread in diverse bacteria and could be excellent candidates for future drug therapy.
Albert Almada's laboratory will explore the role of Nicotinamide Adenine Dinucleotide (NAD+) in muscle repair and regeneration. Lower levels of NAD+ may be inactivating stem cell repair, and re-activating it could promote better muscle healing in older animals.
Researchers at Cambridge University have successfully created artificial enzymes, known as XNAzymes, that can target and destroy the genetic code of SARS-CoV-2, a promising approach to develop new antiviral drugs. The engineered enzymes are highly specific and can be programmed to attack mutated RNAs involved in cancer or other diseases.
A team of researchers from Martin-Luther-University Halle-Wittenberg has discovered a transport pathway for manganese in plants and the role that BICAT3 plays in this process. The protein is responsible for transporting manganese to where it needs to go in plant cells, leading to improved crop growth.
The West Texas Pharmacology Core laboratory at TTUHSC will focus on two primary areas: drug development and pediatric cancer. The core aims to address obstacles in drug development, including limited pharmacology expertise for small biotech companies and low profitability for pediatric cancer drugs.
A fetus with infantile-onset Pompe disease has been successfully treated in utero using enzyme replacement therapy, resulting in normal cardiac and motor function. The child is now thriving as a toddler, meeting developmental milestones after receiving postnatal enzyme therapy at a pediatric hospital.
Researchers discovered Fyn enzyme clusters when immobilized in synapses, forming toxic 'protein clumps' linked to dementia. Targeting Tau biomolecular condensates may prevent dementia progression.
The research reveals PAPP-A's heart-shaped structure and its interaction with STC2, a key regulator of IGF conversion. The study suggests that complex formation between PAPP-A and STC2 is highly regulated, influencing height by up to 2.1 cm.
Researchers from Johannes Gutenberg University Mainz developed ceria nanoparticles to silence bacteria by modifying signaling molecules, preventing biofilm formation. This approach mimics nature's defense system and has potential for creating antibacterial surfaces without resistance.
Researchers at Kyoto University have developed a prodrug form of curcumin called TBP1901, which has shown anti-tumor effects without causing harm. The study found that TBP1901's conversion to active curcumin is dependent on the enzyme GUSB, suggesting its potential therapeutic targets.
Scientists have developed an enzyme that effectively breaks down signaling molecules used by bacteria to produce biofilms. The enzyme, LrsL, has exceptional efficacy in suppressing biofilm formation by Pseudomonas aeruginosa, a bacterium known for causing hospital-acquired infections.
Researchers have identified a key enzyme in muscle that contributes to cancer-induced muscle wasting. Targeting this enzyme, UBR2, may help preserve muscle mass and function in cancer patients. The study's findings offer new hope for the treatment of cancer cachexia, a complication affecting 60% of all cancer patients.
Researchers at Max Planck Institute successfully revived ancient enzymes, revealing a novel protein component that increased CO2 specificity in Rubisco. This discovery provides new insights into the evolution of modern photosynthesis and suggests adding new components may improve its efficiency.
The Rutgers team developed an analytical toolkit to measure protein-carbohydrate interactions with single-molecule precision. By adjusting the 'stickiness' of enzymes, they aim to enhance cellulose decomposition for biofuels production and improve healthcare targeting protein-based drugs.
Experiments in cell cultures and mice showed that blocking the function of NSUN2 triggers a powerful innate immune response, dramatically lowering viral replication and protecting lung tissue. This finding could help change the approach to developing antiviral medications.
Researchers discovered that catnip and pea aphid use different enzymes to produce nepetalactone, a complex sex pheromone. The biosynthetic pathways of these two organisms share identical intermediates, but employ distinct catalytic mechanisms.
The study found that microbial enzymes are essential for the digestion of pectin in leaf beetles, allowing them to access nutrient-rich plant cells. The researchers also discovered that leaf beetle species acquire these enzymes through horizontal gene transfer from other microbes.
Scientists have devised a simple method using nuclear magnetic resonance (NMR) directed evolution to improve enzyme engineering. This approach can help develop engineered enzymes that can break down plastic and toxic waste, reducing environmental harm.
Researchers have developed an RNA-based editing tool that targets individual cells, enabling precise modification of cell functions to manage diseases. The tool uses the ADAR enzyme to selectively add proteins of interest, offering endless potential applications across the animal kingdom.
Researchers at KAUST have identified thermophilic bacteria with potential to degrade oil contamination. The study reveals that certain bacteria can secrete surfactants and absorb emulsified petroleum into their cells for degradation via enzymatic activity.
A Newcastle University study has developed a machine learning tool that can predict the performance properties of land plant Rubisco proteins with high accuracy. This prediction will enable researchers to identify and engineer 'supercharged' Rubisco proteins that can increase atmospheric CO2 uptake and store in crops such as wheat.
Researchers at UMass Amherst discovered that the ClpX enzyme can play dual roles in cell health and respond to changing levels of cellular energy. This breakthrough changes the rules on how cells work, highlighting the importance of cellular energy control.
The study revealed an alternative pathway for cysteine biosynthesis in animals, using enzymes similar to those found in fungi and bacteria. This challenges the previous assumption that corals rely on symbiotic relationships with algae for cysteine production.
Researchers at UVA Health System have made a groundbreaking discovery that could boost platelet production on demand to alleviate blood shortages. The finding offers hope for patients with thrombocytopenia and those receiving cord-blood transplants.
A preclinical study suggests that spermidine can help alleviate the pathological features of NASH, a condition associated with cardiac and kidney disease. The compound improves mitochondrial function, reduces inflammation, and prevents scar tissue formation.
Researchers create mammalian cells that synthesize a noncanonical amino acid, which can be used to make therapeutic proteins. The discovery could lead to the development of new treatments for various diseases.
Researchers aim to improve and expand Enzymatic Construction Material (ECM), a sustainable alternative to traditional concrete that can repair cracks and reduce greenhouse gas emissions. The grant will also support programs to inspire girls' interests in engineering and construction, addressing the industry's gender gap.
A study by Penn State researchers found that supplementing dairy cow feed with enzymes from Aspergillus oryzae and Aspergillus niger increased milk production and solid concentrations. The dual enzyme supplementation promoted microbial activity in the rumen, enhancing digestion of fibrous components.
Researchers at the University of Pittsburgh have identified a universal mechanism for lysosomal repair, known as the PITT pathway, which helps maintain cellular longevity. The study reveals that damaged lysosomes are quickly repaired through the PITT pathway, but defects in this process can contribute to age-related diseases such as Al...
Breast cancer recurrence and metastatic spread remain a significant challenge, with researchers identifying a metabolic signature that can predict patient outcomes. The signature could be used to develop new therapies targeting cancer metabolism.
Researchers at Chalmers University of Technology developed a computer model to predict enzyme efficiency. This helps find efficient cell factories for producing biotech products like biofuels and medicines, and studies difficult diseases.
Researchers at King Abdullah University of Science & Technology have developed a method to produce crocins, a key ingredient in saffron, using a common garden plant. This breakthrough could lead to sustainable and efficient production of these compounds for pharmaceuticals, food coloring, and flavor additives.
Researchers at LSU Health New Orleans have identified a critical immunosuppressive pathway and developed an experimental inhibitor to protect T-cells from weakening. The CBL-B inhibitors show great potential in enhancing the efficacy of cancer immunotherapy, making patients' T-cells more effective in killing cancer cells.
A new study by Massachusetts General Hospital researchers suggests that certain anti-cancer drugs may target a key player in Crohn's disease, a type of inflammatory bowel disease. The study found that mutations in a specific chromatin reader, SP140, are associated with an increased risk of immune diseases like Crohn's.
Researchers have identified three natural compounds that bind to a key enzyme in the coronavirus, potentially blocking its replication. Hydroxyethylphenol, hydroxybenzaldehyde, and methyldihydroxybenzoate showed reduced activity against the papain-like protease enzyme, with effects ranging from 50-70%.
Researchers created genetically edited mice to label and study secretome proteins, facilitating studies of inter-organ communication. The transgenic mice enable scientists to identify specific cell types and organs, providing a valuable resource for mapping and profiling the secretome.
Researchers at Karolinska Institutet have developed a method to create a three-dimensional gel from spider silk proteins that can be designed to deliver functional proteins. The gel has the potential to revolutionize regenerative medicine, enabling controlled drug release and tissue engineering applications.
Researchers found that astrocytes can transfer their mitochondria to damaged neurons after a brain hemorrhage, stimulating the production of an enzyme that neutralizes free radicals. This treatment showed improved neurological recovery in mice, but not if the mitochondria were without the protective enzyme Mn-SOD.
Researchers developed a new enzyme that can degrade poly(ethylene) terephthalate (PET), a common plastic used in bottles. The enzyme, HotPETase, is thermostable and selectively breaks down PET, offering a potential solution to the global plastic waste challenge.
The research team will analyze the remaining two enzymes necessary for riboflavin production and build a 'riboflavinator' in a test tube. This understanding could lead to improved methods for treating diseases and improving public health.
Researchers develop a new low-calorie sweetener that is as sweet as table sugar and feeds beneficial gut microbes. The mixture shows promise in improving gut health and has prebiotic effects on the human gut microbiome.
Researchers uncovered the sophisticated mechanism of bacterial Tc toxin's action by utilizing cryo-EM and protein NMR 3D snapshots. The subunits assemble like a syringe, triggering the release of toxic enzymes that disturb cytoskeleton regulation, leading to paralysis.
Researchers discovered that vitamin K acts as an antioxidant, inhibiting ferroptotic cell death and identifying FSP1 as the warfarin-insensitive enzyme responsible. This finding has implications for treating Alzheimer's disease and acute organ injuries.
Researchers have discovered the mechanism behind enzyme Polα-primase and protein CST's interaction at the ends of chromosomes. The findings reveal an unprecedented role for CST in facilitating Polα-primase activity, shedding light on telomere replication and cell division.
Researchers at Scripps Research have discovered a new set of chemical reactions that generate amino acids and orotic acids from common early earth molecules. This discovery sheds light on the origins of life on Earth and has potential applications in manufacturing processes.
Researchers at Van Andel Institute and University of Freiburg have discovered an enzyme that can break down nitrous oxide into harmless nitrogen and water. This breakthrough could potentially combat one of the main contributors to climate change, which accounts for only 7% of greenhouse gases but has a much greater impact.
Researchers at NTU Singapore and Cuprina have developed a new clinical-grade collagen made from discarded bullfrog skin, which is leapfrogging from the lab bench to clinics soon. This sustainable innovation aims to reduce waste and provide an affordable yet effective wound-care solution.
A rise in severe acute hepatitis of unknown causes (SAHUC) in children has been reported worldwide, with symptoms including jaundice, vomiting, and diarrhea. Diagnostic tests such as liver enzymes and biopsy reports can help identify the disease, but its etiology remains unclear.