Articles tagged with Phosphorylation
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Researchers characterized a hidden intermediate state in Src kinase function, which enables rapid phosphorylation and is essential for T-cell activation and cell migration. This study expands our understanding of kinase function and sets the stage for new therapeutic approaches that selectively target these conformational states.
Researchers discovered that vertebrate lonesome kinase (VLK) triggers direct extracellular interaction for phosphorylation, mediating injury-induced pain. This process attracts N-methyl-D-aspartate (NMDA) receptor proteins, strengthening synaptic connections and enhancing postsynaptic potentials.
Researchers at POSTECH and Korea Brain Research Institute unveil NeuO's mechanism of selective neuron staining through PAK6 kinase phosphorylation. This breakthrough opens path for precise tracking and study of living neurons in brain.
Researchers discovered that herpesvirus protein kinases mimic human cyclin-dependent kinases, regulating viral infection and latency. Phosphorylation of the viral enzyme contributes to its survival and persistence, while phosphorylation downregulates its activity, allowing for balance between host survival and viral persistence.
A study published in Nature Communications reveals a cellular signaling pathway that promotes heart cell survival. The Mst1-FoxO1-C/EBP-β interaction stimulates protective mechanisms in cardiac myocytes, potentially paving the way for new therapies.
Researchers found that combining plasma p-tau217 and Aβ42/40 levels could predict early brain Aβ accumulation in people with subthreshold Aβ accumulation. These biomarkers may help screen participants for primary prevention trials.
Researchers found that lithium's efficacy in enhancing longevity and altering body composition is influenced by the sucrose content of the diet. The study reveals a significant overlap between the transcriptional responses to increasing dietary sucrose and adding lithium, suggesting a joint mechanism at play.
Researchers discovered GZ17-6.02's ability to interact with proteasome inhibitors in a greater than additive fashion to kill multiple myeloma cells and alone inhibit inhibitor-resistant cells. The compound combination also activated key pathways and increased autophagosome formation, leading to tumor cell killing.
Legume plants have a unique ability to interact with nitrogen-fixing bacteria, allowing them to thrive without external nitrogen. Researchers identified four essential phosphorylation sites on the SYMRK kinase that mediate this symbiotic relationship.
Researchers found that Angelica gigas extract improves vascular function in high-fat diet rats, reversing endothelial dysfunction and increasing NO bioavailability. The extract regulates IRE1α sulfonation and RIDD signaling, promoting NO production via the SIRT1-eNOS axis.
CNIO researchers have discovered a previously unknown mechanism of action for the first oncogene, c-Src. The study reveals that c-Src can autonomously activate itself through autophosphorylation, leading to cancer formation. This finding has significant implications for the development of new drugs targeting this enzyme.
Researchers from Rice University and Princeton University have developed a new technology that allows for the live monitoring of signaling protein networks in living cells. The 'live reporter' system uses unobtrusive proteins to tag specific proteins, which can activate fluorescent markers when they become phosphorylated.
A team of researchers has discovered a potential therapeutic that can synergize with existing drugs to more effectively kill certain leukemia cells. The therapy targets a DNA repair protein and shows promise in clinical trials.
Researchers have identified three novel pathogenic variants of the ATR gene as predisposing to male breast cancer. These variants were found in a cohort of individuals with early onset and familial breast cancers, using a combination of exome sequencing and functional investigations. The study suggests that extended genetic analysis ca...
Researchers found that P2-HNF4α expression is associated with p-STAT3 and c-Myc expression in NAFLD patients, suggesting potential biomarkers for hepatocellular carcinoma (HCC) risk. Additionally, p-STAT3 expression was linked to hypertension, while c-Myc expression was associated with advanced fibrosis.
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.
A new study suggests that a two-carbon compound, acetyl phosphate, played a crucial role in the evolution of metabolism before the advent of cells. The researchers propose a mechanistic explanation for how AcP's unique interactions with ADP and iron ions led to the emergence of ATP as the universal energy carrier.
Researchers at Rice University have created a new optical tool called homo-FRET that allows them to observe the real-time activity of two-component systems in bacteria. This breakthrough enables scientists to study the behavior of deadly pathogens and antibiotic-resistant bacteria, shedding light on their mechanisms and potential targe...
Researchers elucidated the molecular mechanisms of acetylcholine in learning and memory, revealing a signaling cascade involving protein kinase C. The study opens doors to new therapeutic strategies for Alzheimer's disease.
Researchers used single-molecule imaging to study GPCR activation, gaining insight into cellular signal relay and potential drug targets for various disorders. The findings show that the receptor tail plays an autoinhibitory role, controlled by agonist binding, which affects signaling intensity and duration.
A study found that SIRT2 activation by PM2.5 exposure triggers airway inflammation, bronchial hyperresponsiveness, and organ damage in mice. Triptolide inhibition of p65 reduced PM2.5-induced effects, suggesting a novel therapeutic strategy against PM2.5 toxicity.
Researchers at IOCB Prague have created a glowing DNA enzyme called Supernova, which catalyzes a chemiluminescent reaction. This breakthrough uses artificial evolution to identify light-producing deoxyribozymes in a vast library of DNA molecules, opening up new possibilities for point-of-care assays and high-throughput screens.
Researchers have identified a new potential treatment for neuroblastoma by targeting the ALT mechanism, which is responsible for chemotherapy resistance. The study found that activating ATM kinase at telomeres promotes chemotherapy resistance in ALT neuroblastoma and suggests a cancer-specific approach to treating this disease.
Researchers clarify the role of SMN complexes in splicing and Cajal body formation, which is crucial for protein translation. The study reveals kinases play a key role in regulating these processes, potentially leading to new therapies for spinal muscular atrophy.
Researchers identified key enzyme PPM1F that regulates integrins' detachment from ECM, allowing cells to move in protein meshwork. The discovery sheds light on how cells balance attachment to versus detachment from extracellular matrix.
Researchers found that Casein Kinase-1 regulates the Wnt signaling pathway at the plasma membrane, triggering the activation of RNF43. This new understanding could lead to a novel approach for reining the Wnt pathway in cancer cells, potentially reviving the tumor suppressor function of RNF43.
A study compared the diagnostic accuracy of a blood biomarker tau phosphorylated at threonine 217 (P-tau217) with other biomarkers for distinguishing Alzheimer's from neurodegenerative diseases. The results showed that P-tau217 had high sensitivity and specificity, making it a promising tool for early diagnosis.
Researchers have discovered that physical forces, such as centrifugal force, play a crucial role in enhancing cell-to-cell attachment and increasing tissue stiffness during embryonic development. The study reveals that the FGF receptor/Erk2 signaling pathway is essential for this process.
Researchers have discovered a new mechanism by which cells respond to environmental stresses, including high temperature, dryness and high salination. The study found that a cytoplasmic sensor enhances MAP kinase phosphorylation, leading to a more accurate and robust response than previously thought possible.
Tau proteins exhibit distinct aggregation behaviors, with phosphorylation influencing their formation of either solid fibrils or disordered clumps. The researchers' findings offer new insights into the causes of Alzheimer's and frontotemporal dementia, potentially leading to the development of therapeutic interventions.
A new study published in Communications Biology has identified the exact sites where Aurora kinase phosphorylates dynamin, a protein involved in mitochondrial division. The research suggests that the process of mitochondrial replication is similar in different eukaryotic organisms, including humans.
A study published in the Journal of Experimental Medicine found that phosphorylation of Regnase-1 allows IL-17 to trigger inflammation. Blocking this phosphorylation process could lead to therapeutic agents for treating autoimmune diseases related to IL-17, such as rheumatoid arthritis and multiple sclerosis.
Researchers have discovered that Miro2 functions as a platform for Parkin recognition and translocation to damaged mitochondria. This process is crucial for the accurate removal of dysfunctional mitochondria, which is linked to various human diseases.
A team of Japanese and American scientists have identified shootin1 as a key molecule in axon guidance, converting chemical cues into mechanical force. The study found that even slight concentration gradients in nectin-1 induce significant changes in shootin1 phosphorylation, guiding the axon with remarkable sensitivity.
A new study led by researchers at the Nara Institute of Science and Technology found that plants use SOG1 to repair DNA damage, but unlike p53 in animals, SOG1 targets genes involved in immune response only to fungal infections.
Researchers have uncovered key events in familial frontotemporal lobar degeneration (FTLD) linked to PGRN gene mutations. They discovered that tau phosphorylation drives synapse loss and communication disruption, providing a new avenue for treatment targeting tau phosphorylation.
Researchers at Scripps Research Institute identify diamidophosphate (DAP) as a potential 'missing link' in chemistry that led to the emergence of life. DAP can phosphorylate key ingredients in early life forms, leading to the formation of primitive cells and potentially kick-starting life on Earth.
Researchers report that sugar phosphorylation and uridine synthesis occur spontaneously in microdroplets without enzymes or ATP. This discovery suggests prebiotic formation of biologically relevant molecules could have occurred in these environments.
Researchers found that NatD promotes lung cancer progression by preventing histone H4 serine phosphorylation, leading to increased invasiveness and poor clinical outcomes. Depletion of NatD suppresses EMT via repression of Slug expression, suggesting a new therapeutic target for cancer treatment.
A team of scientists at KAUST has discovered a key role for epigenetic chromatin modification in plant defense against pathogens. By phosphorylating histone deacetylase (HD2B), MPK3 releases genes and blocks others, rapidly reprogramming the cell's molecular makeup.
Researchers at Case Western Reserve University have identified a new target for improving cardiac output in heart failure patients by modifying a specific protein. Modifying the serine 302 amino acid on myosin binding protein-C (MyBP-C) can significantly enhance cardiac function, providing a promising therapeutic approach.
Researchers at EPFL develop synthetic methods to introduce chemical modifications on huntingtin, reducing its toxicity and aggregation. The study reveals key findings on the relationship between post-translational modifications and huntingtin structure, function, and toxicity.
Researchers at Tokyo Institute of Technology have discovered the molecular mechanism behind autophagy initiation, revealing that Atg13 forms a supramolecular complex with other proteins. This breakthrough may lead to the development of therapeutic treatments for diseases such as neurodegeneration and cancer.
A new biomarker, phosphorylated protein kinase LRRK2, has been found in patient urine samples and correlates with the presence and severity of Parkinson's disease. Elevated levels of this biomarker predict the risk for onset of Parkinson's disease and may be a promising guide for future clinical treatments.
Researchers at UT Southwestern Medical Center identified a previously unrecognized enzyme, MLCK4, that could optimize contraction and prevent heart failure. The study provides the first three-dimensional structure for any member of the MLCK family and sheds light on the optimal phosphorylation level for normal heart function.
The study reveals that PAR-1 and PAR-2 activation by thrombin and specific peptides differentially regulates eNOS phosphorylation, leading to increased or decreased NO production. PAR-3 induces eNOS-Thr-495 phosphorylation only, whereas PAR-4 is not expressed in human coronary artery endothelial cells.
Researchers at Helmholtz Zentrum München developed a method to analyze protein modifications, including the phosphorylation of RNA polymerase II. This helps regulate gene expression by controlling enzyme activity at precise sites.
Researchers found schreibersite, an iron-nickel phosphide mineral, could provide phosphate essential for prebiotic molecules. The mineral's phosphorylation reaction with early Earth water likely played a role in the emergence of metabolic molecules.
Researchers discovered a common signaling mechanism that produces interferon, a key protein in the immune system. This finding could lead to developing medications to treat human diseases such as lupus, which affects over 1.5 million Americans.
Researchers have discovered a pair of genes that regulate eating schedules in sync with daily sleep rhythms, and mutations in one of these genes may play a role in night eating syndrome. In mice with mutations, eating patterns are shifted, leading to unusual mealtimes and weight gain.
Researchers uncover molecular mechanism behind Parkinson's disease, linking faulty energy production to the Pink1 gene. Correcting this defect may hold promise for treating the condition.
Researchers found that transient brain ischemia induces hyperphosphorylation of tau protein and alters its interaction with glycogen synthase kinase (GSK)-3β and protein phosphatase 2A. Lithium chloride's neuroprotective function may depend on regulating tau phosphorylation during cerebral ischemia.
Researchers have identified a modification to the protein eIF2alpha linked to Alzheimer's-like conditions, which may lead to decreased protein synthesis and impaired long-term memories. Abnormal levels of phosphorylation were found in AD model mice and postmortem human patients, highlighting potential therapeutic targets.
Researchers at UCSB have discovered a new potential target in the fight against Alzheimer's and other neurodegenerative diseases by exploring the possibility of inhibiting hyperphosphorylated tau. The study found that small molecular kinase inhibitors can efficiently reduce tau phosphorylation and exert a neuroprotective effect, restor...
Researchers have identified a protein called SUMO that regulates information transfer between nerve cells in the brain. The discovery could lead to new therapies for stroke and epilepsy.
Researchers found that Aurora-A phosphorylates p73, preventing it from detecting DNA damage and triggering programmed cell death. This allows cancer cells to resist chemotherapy and radiation treatment, making them harder to treat.
A team of IRCM researchers confirmed the universality of essential cellular process phosphorylation of RNA polymerase II, contradicting recent genome-wide analyses. The study provides critical insights into genetic regulation and may lead to new treatments for genetic diseases and cancer.
Researchers at Ruhr-University Bochum found that sildenafil, the active ingredient in Viagra, makes stiffened cardiac walls more elastic. The drug activates an enzyme that phosphorylates the giant protein titin, causing blood vessels to relax and improving diastolic distensibility.
A new blood test detects phosphorylated alpha-synuclein, allowing for early diagnosis of Parkinson's disease before symptoms appear. This could help patients prepare for potential neurological problems caused by the disease.
A team of researchers at the University of Texas MD Anderson Cancer Center found that pyruvate kinase M2 (PKM2) has an unexpected role in regulating cell proliferation and tumor formation in brain cancer. PKM2's ability to bind to beta-catenin in the cell nucleus is essential for its function, and its levels are correlated with brain t...