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Articles 1 - 3 of 3
Full-Text Articles in Organisms
Uplc-Ms/Ms Analysis Of Cyp1a-Mediated Ethoxyresorufin-O-Deethylation Activity In The Rat Kidney Microsomes, Devaraj Venkatapura Chandrashekar, Reza Mehvar
Uplc-Ms/Ms Analysis Of Cyp1a-Mediated Ethoxyresorufin-O-Deethylation Activity In The Rat Kidney Microsomes, Devaraj Venkatapura Chandrashekar, Reza Mehvar
Pharmacy Faculty Articles and Research
Ethoxyresorufin (ER)-O-deethylation (EROD) activity has been widely used to assess cytochrome P450 1A (CYP1A) activity. The kinetics of CYP1A activity have been well characterized in the liver microsomes. However, studies in kidney microsomes are limited due to the much lower EROD activity in this organ. Here, we developed and validated a sensitive UPLC-MS/MS assay for the characterization of the EROD activity in the rat kidney microsomes. In a 50 µL reaction mixture, rat kidney microsomes (0.25 mg/mL) were incubated with ER (0.1–5 µM) and NADPH (1 mM) for 10 min. Acidic solvents, such as trichloroacetic acid or formic …
Cd44 Receptor Mediates Urate Crystal Phagocytosis By Macrophages And Regulates Inflammation In A Murine Peritoneal Model Of Acute Gout, Emira Bousoik, Marwa Qadri, Khaled A. Elsaid
Cd44 Receptor Mediates Urate Crystal Phagocytosis By Macrophages And Regulates Inflammation In A Murine Peritoneal Model Of Acute Gout, Emira Bousoik, Marwa Qadri, Khaled A. Elsaid
Pharmacy Faculty Articles and Research
Gout is a chronic arthritis caused by the deposition of poorly soluble monosodium urate monohydrate (MSU) crystals in peripheral joints. Resident macrophages initiate inflammation in response to MSU mediated by NF-κB nuclear translocation and NLRP3 inflammasome activation. We investigated the role of CD44, a transmembrane receptor, in mediating MSU phagocytosis by macrophages. We used an antibody that sheds the extracellular domain (ECD) of CD44 to study the role of the receptor and its associated protein phosphatase 2A (PP2A) in macrophage activation. We also studied the significance of CD44 in mediating MSU inflammation in-vivo. Cd44−/− BMDMs showed reduced MSU …
Chrysin‐Loaded Chitosan Nanoparticles Potentiates Antibiofilm Activity Against Staphylococcus Aureus, Busi Siddhardha, Uday Pandey, K. Kaviyarasu, Rajasekharreddy Pala, Asad Syed, Ali K. Bahkali, Abdallah M. Elgorban
Chrysin‐Loaded Chitosan Nanoparticles Potentiates Antibiofilm Activity Against Staphylococcus Aureus, Busi Siddhardha, Uday Pandey, K. Kaviyarasu, Rajasekharreddy Pala, Asad Syed, Ali K. Bahkali, Abdallah M. Elgorban
Pharmacy Faculty Articles and Research
The application of nanotechnology in medicine is gaining popularity due to its ability to increase the bioavailability and biosorption of numerous drugs. Chrysin, a flavone constituent of Orocylumineicum vent is well‐reported for its biological properties. However, its therapeutic potential has not been fully exploited due to its poor solubility and bioavailability. In the present study, chrysin was encapsulated into chitosan nanoparticles using TPP as a linker. The nanoparticles were characterized and investigated for their anti‐biofilm activity against Staphylococcus aureus. At sub‐Minimum Inhibitory Concentration, the nanoparticles exhibited enhanced anti‐biofilm efficacy against S. aureus as compared to its bulk counterparts, chrysin …