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자료유형
학술저널
저자정보
Lee Juho (Pusan National University) Hlaing Shwe Phyu (Pusan National University) caojiafu (부산대학교) 핫산 눌하스니 (부산대학교) 유진욱 (부산대학교)
저널정보
한국약제학회 Journal of Pharmaceutical Investigation Journal of Pharmaceutical Investigation 제50권 제5호
발행연도
2020.1
수록면
505 - 512 (8page)

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Purpose Nitric oxide (NO) has emerged as a novel agent for the treatment of infected wounds owing to its potent woundhealing effects and antibacterial activity against drug-resistant bacteria, including methicillin-resistant Staphylococcus aureus (MRSA). In this study, we developed a NO-releasing ointment composed of S-nitrosoglutathione (GSNO) and polyethylene glycol (PEG) for the treatment of MRSA-infected cutaneous wounds. Methods The GSNO-incorporated PEG ointment (GPO) was successfully prepared by homogeneous dispersion of micronized GSNO in a PEG ointment base. High encapsulation efficiency was achieved (97.25%) via water-free fabrication processing of the GPO, resulting in minimal GSNO hydrolysis. Results When applied to a wound, the wound fluid triggered the degradation of GSNO and NO was released from the GPO for 24 h without an initial burst release. The GPO exhibited potent antibacterial effects against MRSA without cytotoxic effects against L929 cells. An in vivo wound healing experiment using a mouse MRSA-challenged full-thickness wound model revealed that the GPO could facilitate healing of infected wounds. Conclusion Thus, the GPO could be a promising NO-releasing formulation for the treatment of infected cutaneous wounds.

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