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Full-Text Articles in Medical Molecular Biology

D121 Located Within The Dry Motif Of P2y12 Is Essential For P2y12-Mediated Platelet Function., Carol Dangelmaier, Benjamin Mauri, Akruti Patel, Satya P Kunapuli, John C Kostyak Sep 2022

D121 Located Within The Dry Motif Of P2y12 Is Essential For P2y12-Mediated Platelet Function., Carol Dangelmaier, Benjamin Mauri, Akruti Patel, Satya P Kunapuli, John C Kostyak

Department of Medicine Faculty Papers

Platelets are anucleate cells that mediate hemostasis. This occurs via a primary signal that is reinforced by secreted products such as ADP that bind purinergic receptors (P2Y1 and P2Y12) on the platelet surface. We recently identified a human subject, whom we termed platelet defect subject 25 (PDS25) with a platelet functional disorder associated with the P2Y12 receptor. PDS25 has normal blood cell counts and no history of bleeding diathesis. However, platelets from PDS25 have virtually no response to 2-MeSADP (a stable analogue of ADP). Genetic analysis of P2Y12 from PDS25 revealed a heterozygous mutation of D121N within the DRY motif. …


Synthesis, Characterization And Physicochemical Properties Of Biogenic Silver Nanoparticle-Encapsulated Chitosan Bionanocomposites, Sreelekha Ediyilyam, Mahesh M Lalitha, Bini George, Sarojini Sharath Shankar, Stanisław Wacławek, Miroslav Černík, Vinod Vellora Thekkae Padil Jan 2022

Synthesis, Characterization And Physicochemical Properties Of Biogenic Silver Nanoparticle-Encapsulated Chitosan Bionanocomposites, Sreelekha Ediyilyam, Mahesh M Lalitha, Bini George, Sarojini Sharath Shankar, Stanisław Wacławek, Miroslav Černík, Vinod Vellora Thekkae Padil

Department of Medicine Faculty Papers

Green bionanocomposites have garnered considerable attention and applications in the pharmaceutical and packaging industries because of their intrinsic features, such as biocompatibility and biodegradability. The work presents a novel approach towards the combined effect of glycerol, tween 80 and silver nanoparticles (AgNPs) on the physicochemical properties of lyophilized chitosan (CH) scaffolds produced via a green synthesis method.The produced bionanocomposites were characterized with the help of Fourier transform infrared spectroscopy (FTIR) and Scanning electron microscopy (SEM). The swelling behavior, water vapor transmission rate, moisture retention capability, degradation in Hanks solution, biodegradability in soil, mechanical strength and electrochemical performance of the composites …