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H-Gly-Pro-Gly-NH2 HCl inhibits HIV-1 replication through its metabolite α-hydroxyglycineamide. It increases the antiviral activity of zidovudine and ritonavir.
1.Solid lipid microparticles for enhanced dermal delivery of tetracycline HCl.
Rahimpour Y1, Javadzadeh Y2, Hamishehkar H3. Colloids Surf B Biointerfaces. 2016 Apr 22;145:14-20. doi: 10.1016/j.colsurfb.2016.04.034. [Epub ahead of print]
Acne vulgaris (commonly called acne) is a most common skin disease during adolescence, afflicting more than 85% of teenagers. Topical tetracycline (Tc) is used for mild inflammatory acne and as an adjunct to systemic treatment in more severe forms. Solid lipid microparticles (SLMs) are useful tool for topical delivery because of their biodegradable, biocompatible and low toxic characteristic accompanying with excellent skin hydration, occlusiveness and controlled release properties. The purpose of this study was to prepare Tc-loaded SLMs were produced by the spray drying technique and characterized by scanning electron microscopy, powder X-ray diffractometry and differential scanning calorimetry. In vitro and ex vivo release characteristics of Tc through SLMs and control formulations (aqueous carbopol gel) were evaluated over 24h using a vertical Franz diffusion cell through cellulose acetate membranes and exercised rat skin, respectively.
