Journal
PHARMACEUTICAL RESEARCH
Volume 32, Issue 6, Pages 1920-1930Publisher
SPRINGER/PLENUM PUBLISHERS
DOI: 10.1007/s11095-014-1586-x
Keywords
antifungal activity; cell penetrating peptide; corneal tissue; drug delivery; solubility
Funding
- Department of Biotechnology, Government of India
- Kusuma Trust, UK
- Council for Scientific and Industrial Research, Government of India
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Enhancing the penetration ability of the antifungal drug natamycin, known to possess poor penetration ability through the corneal epithelium, by complexing with cell penetrating peptides. The drug, natamycin was conjugated to a cell penetrating peptide, Tat-dimer (Tat(2)). The uptake ability of the conjugate in human corneal epithelial cells and its antifungal activity against filamentous fungi, F.solani has been elucidated. The cellular penetration ability of natamycin increased upon conjugation with Tat(2). The conjugation between natamycin and Tat(2) also lead to enhanced solubility of the drug in aqueous medium. The antifungal activity of the conjugate increased two- folds in comparison to unconjugated natamycin against clinical isolates of F.solani. The formation of CPP-natamycin complex is clinically significant as it may enhance the bioavailability of natamycin in corneal tissues and aid in efficient management of fungal keratitis.
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