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Full-Text Articles in Medicinal and Pharmaceutical Chemistry
Amphiphilic Cell-Penetrating Peptides Containing Natural And Unnatural Amino Acids As Drug Delivery Tools And Antimicrobial Agents, David Salehi
Pharmaceutical Sciences (MS) Theses
Cell-penetrating peptides containing arginine as positively charged residues and tryptophan or diphenylalanine as hydrophobic residues were synthesized. The synthesis was accomplished through the Fmoc solid-phase peptide synthesis in the presence of HBTU and DIPEA. The side-chain protected linear peptides were cleaved from the resin and cyclized in the presence of DIC and HOAt in the solution phase overnight. MALDI-TOF mass spectrometry was used to characterize the peptides.
The cytotoxicity of the synthesized peptides was determined in CCRF-CEM (human, lymphoblast peripheral blood), and HEK-293 (human, embryonic epithelial kidney healthy) cells using the MTS assay. A concentration of 10 µM was found …
The Antiinflammatory Action And Pharmacokinetics Of A Novel Glucosamine-Based Di-Peptide Aminosugar, Mohammad H. Gilzad-Kohan, Kamaljit Kaur, Fakhreddin Jamali
The Antiinflammatory Action And Pharmacokinetics Of A Novel Glucosamine-Based Di-Peptide Aminosugar, Mohammad H. Gilzad-Kohan, Kamaljit Kaur, Fakhreddin Jamali
Pharmacy Faculty Articles and Research
Purpose. We have previously shown favorable in vitro gut permeability for three novel dipeptide esters of glucosamine (GlcN) likely facilitated by the peptide transporter 1 (PepT1). Herein, we report the development of a novel assay for the determination of bioavailability of the peptide ester of interest, the anti-inflammatory properties of a glycine-valine ester derivative of GlcN (GVG) as well as its pharmacokinetics under healthy and inflammatory conditions.
Methods. A pre-column derivatization (with 9-fluorenylmethoxycarbonyl) HPLC assay was developed to study bioavailability of GVG, GlcN or cleaved GlcN in the rats that were cannulated in their right jugular vein for …