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Carboxylic Acid - Crossref

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Last Updated: 10 September 2022

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The ER Stress Inducer l-Azetidine-2-Carboxylic Acid Elevates the Levels of Phospho-eIF2α and of LC3-II in a Ca2+-Dependent Manner

Accumulation of misfolded proteins in the endoplasmic reticulum initiates the unfolded protein reaction to reduce protein intake and restore homeostasis, including induction of autophagy. While serum of binding immunoglobulin protein and phosphorylated ribose polymerase cleavage increased and decreased, but not of apoptosis, the UPR's Apoptosis arm was still active. For the AZC-induced lipidation of LC3, we could determine that activation of the PERK branch is required. We could deduce that using the specific PERK inhibitor AMG PERK 44. AZC did not induce Ca2+ release from the ER, but did decrease the cytosolic Ca2+ rise induced by thapsigargin while still lowering the time constant for Ca2+ clearance. The ER Ca2+ store content and mitochondrial Ca2+ uptakes were unaffected, but unaffected remained unaffected.

Source link: https://doi.org/10.3390/cells7120239


Chitosan-coated carboxylic acids show antimicrobial activity against antibiotic-resistant Gram-negative and positive pathogens

Antibiotic resistance in bacteria has been attributed to the highest risk to human health, but new agents are yet to be introduced to market because of the rapid evolution of resistance to them, pharmaceutical manufacture costs cannot be recovered, and drug manufacturing costs cannot be recovered. Chitosan has been used to encapsulate other agents as nanoparticles, but not with fatty acids has been used. Here we show that chitosan can be modified to direct fatty acids toward Gram-positive or negative bacteria in order to produce antimicrobial activity. We demonstrate that fatty acids act as effective antibiotics in vitro and in vivo, as well as against extremely pathogenic pathogens. In animal models, no evidence was found against salmonellosis and C. difficile infection. Our findings indicate that fatty acids prepared as chitosan nanoparticles are safe antibiotics and can be used for a long time without resistance developing.

Source link: https://doi.org/10.1101/2022.09.02.506354


Establishment of an HPLC Method for Determination of Coumarin-3-Carboxylic Acid Analogues in Rat Plasma and a Preliminary Study on Their Pharmacokinetics

Abstract eta Abstract A simple high-performance liquid chromatography system was developed and validated for the determination of coumarin-3-carboxylic acid analogues in rat plasma as well as a preliminary study on pharmacokinetics. The C3A linear equation's correlation coefficient r is equal to 0. 9990, according to the correlation coefficient r. Since 60% ethanol extraction by gavage, this high-performance liquid chromatography-photo diode array detector technology developed in this study can be used to identify and determine the content of C3AA in plasma of rats. To some extent, the plasma concentration-time curve and pharmacokinetic data reveal the absorption of C3AA in rat blood following oral administration to some degree.

Source link: https://doi.org/10.1093/chromsci/bmab103


5-Amino-3-methyl-Isoxazole-4-carboxylic Acid as a Novel Unnatural Amino Acid in the Solid Phase Synthesis of α/β-Mixed Peptides

Hence, the introduction of new unnatural amino acids and the methods of incorporation into the peptide chain is a critical task. We've outlined our inquiry into the possibility of 5-amino-3-methyl-isoxazole-4-carboxylic acid use in the solid phase peptide synthesis here. The obtained results point to the possibility of using this u03b2-amino acid in the creation of a new class of bioactive peptides.

Source link: https://doi.org/10.3390/molecules27175612


Naturally-occurring carboxylic acids from traditional antidiabetic plants as potential pancreatic islet FABP3 inhibitors. A molecular docking–aided study

Abstract The antidiabetic activity of traditional plants is mainly due to their antioxidant and anti-inflammatory properties. Long-term exposure of pancreatic beta cells to fatty acids, as well as insulin resistance in diabetes, contributes to glucose-stimulated insulin secretion, which leads to insulin leakage, failure, and apoptosis in diabetes, which is a lipid disease. Pancreatic islet beta cells produce fatty acid binding protein 3 that helps long-chain FAs and traffics them around various cellular compartments to be metabolized and render their effects. Inhibition of this FABP3 may also inflame FA metabolism and shield islet beta cells. Since FABPs collaborate with FABPs through their carboxylic group, some well-known antidiabetic plants were investigated in this report, looking for their components that have common characteristics of FABP ligands, such as the carboxylic group and hydrophobic tail. Many of these carboxylic acids were computationally introduced into FABP's ligand-binding pocket, and some of them displayed FABP3 ligand characteristics.

Source link: https://doi.org/10.21203/rs.3.rs-1975646/v2


Naturally-occurring carboxylic acids from traditional antidiabetic plants as potential pancreatic islet FABP3 inhibitors. A molecular docking–aided study

Abstract The antidiabetic activity of traditional plants is mainly due to their antioxidant and anti-inflammatory properties. Long-term exposure of pancreatic islet beta cells to fatty acids reduces basal insulin production, contributes to glucose-stimulated insulin secretion, failure, and apoptosis in diabetes, which is a lipid disease. Pancreatic islet beta cells produce fatty acid binding protein 3 that promotes long-chain FAs and traffics them throughout various organs of the Pancreatic islet beta cells, which can be modified and display their effects. This FABP3 inhibitor can slow FA metabolism and shield islet beta cells. Since FAs work with FABPs through their carboxylic group, some well-known antidiabetic plants were investigated in the current report, including the carboxylic group and hydrophobic tail, for their components that share FABP ligands, including the carboxylic group and hydrophobic tail. Many of these carboxylic acids were computationally integrated into FABP3's ligand-binding pocket, and some of them displayed FABP3 ligand characteristics.

Source link: https://doi.org/10.21203/rs.3.rs-1975646/v1


Commercial-Scale Use and Influence of 1-aminocyclopropane-1-Carboxylic Acid as a Rescue Thinner on Fruit Set and Early Fruit Growth in Apples

The fruit set in ACC reduced fruit set in u2018Schlect Spur Deliciousu2019 was set in 7 and 30 days after application. Fruit set in Acc applications reduced fruit set in u2018Galau2019 and u2019Fujiu2019 apples, only 30 days after application. Fruit weight after 30 days of ACC application in trees receiving ACC was higher than those in Untreated Control, and the difference was significant only in the u2019Schlect Spur Delicious apple, according to the author. In this research, the application of ACC at 300 mg/u00b7Lu22121 or 365 mg/u22121 did not have any advese effects on foliage or fruit skin in any of the tested cultivars.

Source link: https://doi.org/10.19080/artoaj.2022.26.556352


Preparation and Characterization of Amine- and Carboxylic Acid-functionalized Superparamagnetic Iron Oxide Nanoparticles Through a One-step Facile Electrosynthesis Method

Coating MNPs with amino- or carboxylic acidfunctionalized groups can be used as a method for covalently binding MNPs to biomolecules for medical use. Methods: A cathodic electrochemical deposition process precipitated the magnetite NPs on the steel cathode. In the electrodeposition experiments at a dc current density of 30 min, a galvanostatic mode was used. The XRD peaks are well-matched with a cubic spinel structure of magnetite, and it has been reported that the amino acid binding process did not result in a phase change in Fe3O4 during the electrodeposition. Compared to bare MNPs, the size of the iron oxide nanoparticles made it more difficult to detect the amino acid layer on the iron oxide nanoparticles. During CE electrodeposition, our experiments showed that the aspartic acid and asparagine can be effectively coated on the surface of MNPs.

Source link: https://doi.org/10.2174/1573413714666180622150216


The Acid-IER Method – a Method for Selective Isolation of Carboxylic Acids from Crude Oils and Other Organic Solvents

Abstract: The number of acidic crude oils produced around the world is on the rise. This paper introduces and validates an ion-exchange system that can be used to isolate carboxylic acids from crude oils, distillate fractions, and other organic solvents. Its ability for isoparing carboxylic acids from solids and non-organic solvents has also been shown, which has been exemplified by calcium naphthenate deposits and water.

Source link: https://doi.org/10.2118/80404-ms

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions