Articles tagged with Phosphatases
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Dysregulation of phosphatases modulates various signaling pathways, including RAS/MAPK, PI3K, HIPPO, and JAK/STAT. This review highlights the tumour suppressive, tumour promoting, and context-dependent activities of phosphatases, as well as their roles in reshaping the tumour microenvironment through exosomal miRNA secretion.
Researchers at University of Würzburg discovered a novel phosphatase inhibitor that selectively blocks the proliferation of tumor cells. This breakthrough targets increased energy demands in diseases like cancer and autoimmune disorders, offering potential new therapies for treatment.
Researchers at Kyoto University have discovered a phosphorylation pathway that regulates meiotic double-strand break activity, ensuring genome stability. Enzymes ATR kinase and PP4 phosphatase work together to maintain a balance of DNA breaks, allowing for successful meiosis.
Researchers captured first image of antigen-bound T-cell receptor complex with bound antigen at atomic resolution. The study reveals no significant structural changes in the receptor after antigen binding, sparking further investigation into the signaling pathway activation mechanism.
Researchers at the University of Sheffield have identified a unique bacterial phosphatase, PafA, that can efficiently release phosphate from its organic forms. This discovery has potential to help reduce the consumption of phosphate chemical fertilisers and promote sustainable agriculture.
Researchers develop novel therapeutic approach for treating tuberculosis using phosphatase inhibitors, offering potential benefits for TB research and basic biology exploration. The discovery provides a promising alternative to traditional antibiotic-based treatments and has significant implications for combating antimicrobial resistance.
Researchers developed a color-changing indicator that detects rising levels of alkaline phosphatase, forecasting phytoplankton growth and impending algal blooms. The portable system reliably detected enzyme activity using smartphone scanning apps, potentially enabling real-time field monitoring and prediction.
A new method for synthesizing and evaluating large numbers of potential drug leads has been developed by the University of Groningen. This technique uses acoustic dispensing to create thousands of variant molecules in a high-throughput system, making it possible to quickly identify promising candidates.
A study published in EMBO Journal has discovered the key aspect of regulating telomeres, which are protective caps at the end of chromosomes. The research team found that the protein complex CST is responsible for maintaining telomeres, and a chemical modification regulates its S component, allowing telomere duplication and elongation.
Microbiologists at the University of Göttingen developed a new method to detect novel enzymes that can release phosphate from environmental samples. This breakthrough has significant implications for industrial processes, biotechnology, and sustainable agriculture.
Scientists have developed a new drug discovery system that can specifically target phosphatase enzymes, which were previously considered undruggable. The system identified a molecule that successfully targeted a phosphatase to reduce accumulation of disease-associated proteins in mouse brains.
Duke researchers have identified a key fork in the road for the way the liver deals with carbohydrates, fats, and protein. By targeting BCAA breakdown, they found that activating this process reduces fat deposition in the liver and improves glucose regulation. This approach offers a promising new target for combating fatty liver disease.
A highly sensitive and selective ELISA for cetuximab determination in human plasma samples has been developed. The assay limit of detection was 0.0015 μg/mL and the effective working dynamic range was 0.005-6.25 μg/mL.
A team of researchers has developed a strategy to identify potential treatments for patients with MECP2 duplication syndrome by normalizing altered levels of MeCP2 in animal models. The study found that drugs inhibiting phosphatase PP2A partially rescued motor abnormalities in mice, offering hope for future treatments.
Researchers at Dana-Farber Cancer Institute have identified Eya1 as a critical protein in both normal brain development and the development of medulloblastoma. Lowering Eya1 levels in mice with medulloblastoma reduced death rates from the disease by half, suggesting it as a prime target for new treatments.
SRPK1 acts as a tumor suppressor when abundant and promotes cancer when scarce, according to researchers at UC San Diego. This unexpected dual role is crucial for understanding tumorigenesis in humans.
Researchers at A*STAR's Institute of Molecular and Cell Biology have discovered an enzyme, Wip1 phosphatase, that plays a critical role in regulating tumour growth. By inhibiting the action of this enzyme, cancer growth can be stunted and tumours can be cured without developing resistance.
Researchers have discovered a new therapeutic target for Alzheimer's disease, which regulates N-methyl-D-aspartate receptor transport. Valeric acid, an N-methyl-D-aspartate receptor antagonist, has been shown to significantly inhibit the progression of learning and memory disturbances induced by Alzheimer's disease.
A comprehensive online database of human phosphatases and their substrates has been created to aid researchers in understanding cellular reactions. The database, DEPOD, groups phosphatases into families based on three-dimensional structure, enabling the identification of known substrates and suggestion of new ones.
A new study reveals that precise regulation of myosin phosphorylation is crucial for uterine activity during labor. The researchers discovered that specific amino acids are phosphorylated to control uterine contractions, providing insights into premature births and failed inductions.
A study by San Francisco State University researchers has identified critical fertility enzymes in nematode worms, shedding light on sperm development and mobility. These PP1 phosphatases play a key role in separating chromosomes during division and propelling the sperm with a unique treadmilling motion.
A study has identified an enzyme called proteasome phosphatase that regulates the removal of damaged proteins from cells. This process is essential for removing misfolded or damaged proteins from the cell, but a defective proteasome can be catastrophic.
A new study has identified a specific gene product that may be responsible for the proliferation of adenotonsillar tissue in children with OSA. The study suggests that blocking the phosphatase protein PSPH could be a potential therapeutic target for reversing adenotonsillar enlargement and treating pediatric OSA.
Neuroscientists have identified a protein called SHP-2 phosphatase that controls the spacing effect, which enhances long-term memory by adjusting rest intervals. The study found that manipulating SHP-2 phosphatase activity can reverse memory deficits in mutants with Noonan's syndrome.
A study found that high levels of alkaline phosphatase, a marker of bone disease, are associated with an increased risk of death in dialysis patients. Patients with elevated alkaline phosphatase levels were 25% more likely to die over a three-year period.
A new study reveals that a voltage-sensitive phosphatase, Ci-VSP, converts electrical signals to chemical ones and is activated by depolarization, regulating phosphoinositide levels. This discovery sheds light on common principles of voltage sensing between ion channels and VSP.
Researchers identified PTEN as a key regulator of Treg responsiveness to IL-2, enabling their proliferation and maintaining suppressive function. This discovery could provide a way to overcome the major challenge of harnessing Tregs for autoimmune disease treatment.
Researchers have discovered four fully different classes of phosphatase inhibitors using the BIOS principle, which mimics natural products to identify potential new medicines. The study found promising results in targeting antiangiogenesis inhibitors, cell cycle regulation, and tuberculosis infections.
Researchers discovered pyruvate dehydrogenase phosphatase as a key player in the dephosphorylation of MAD, a Drosophila Smad protein. This finding offers new insights into how BMP signals can be downregulated in various physiological contexts.
A Harvard Medical School study reveals that phosphatases play a crucial role in regulating cell survival and chemoresistance. The researchers identified tumor suppressor phosphatases whose loss of function leads to chemoresistance, providing potential new targets for cancer treatment.
Researchers at UCSD and Salk Institute have discovered that small carboxyl-terminal domain phosphatases (SCPs) play a crucial role in the maintenance of neural stem cells and silencing of neuronal genes. This finding suggests a way to expand the pool of neuronal stem cells, potentially leading to new treatments for neurological disorders.
Research suggests that defects in 'orphan' inositol polyphosphates may contribute to diseases such as manic depression and cancer. Dr. York's work identifies biological roles for these molecules and provides a basis for designing more specific drugs with fewer side effects.