Investigation of the Role of Fc-γ-R and FcRn in mAb Distribution to the Brain

To evaluate the role of Fc receptors (FcR) on IgG distribution to the brain, the disposition of 8C2, a murine monoclonal IgG1 antibody, was investigated after intravenous administration in FcRn α-chain knockout mice, FcγRIIb knockout mice, FcγRI/RIII knockout mice, and C57BL/6 control mice. (125)I-8C2 was co-administered with (51)Cr-labeled red blood cells to allow accurate assessment of residual blood content in brain samples. Blood and brain … Continued

Biodistribution and Pharmacokinetics of EGFR-targeted Thiolated Gelatin Nanoparticles Following Systemic Administration in Pancreatic Tumor-bearing Mice

The objective of this study was to evaluate qualitative and quantitative biodistribution of epidermal growth factor receptor (EGFR)-targeted thiolated type B gelatin nanoparticles in vivo in subcutaneous human pancreatic adenocarcinoma (Panc-1) bearing female SCID Beige mice. EGFR-targeted nanoparticles showed preferential and sustained accumulation in the tumor mass, especially at early time points. Higher blood concentrations … Continued

Novel Biocompatible Disease Modifying Nanomedicine of VIP for Rheumatoid Arthritis

Despite advances in rheumatoid arthritis (RA) treatment, efficacious and safe disease-modifying therapy still represents an unmet medical need. Here, we describe an innovative strategy to treat RA by targeting low doses of vasoactive intestinal peptide (VIP) self-associated with sterically stabilized micelles (SSMs). This spontaneous interaction of VIP with SSM protects the peptide from degradation or … Continued

Saliva Versus Plasma Pharmacokinetics, Theory and Application of a Salivary Excretion Classification System

The aims of this work were to study pharmacokinetics of randomly selected drugs in plasma and saliva samples in healthy human volunteers, and to introduce a Salivary Excretion Classification System. Saliva and plasma samples were collected for 3-5 half-life values of sitagliptin, cinacalcet, metformin, montelukast, tolterodine, hydrochlorothiazide (HCT), lornoxicam, azithromycin, diacerhein, rosuvastatin, cloxacillin, losartan and … Continued

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