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Fujii MY, Okishima A, Ichiwata HS, Oka T. Biocompatible topical delivery system of high-molecular-weight hyaluronan into human stratum corneum using magnesium chloride. Sci Rep 2023; 13:10782. [PMID: 37402762 DOI: 10.1038/s41598-023-37718-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2023] [Accepted: 06/26/2023] [Indexed: 07/06/2023] Open
Abstract
Non-invasive delivery of hyaluronan into the stratum corneum (SC) is extremely difficult because of its high molecular weight and the strong barrier of the SC. We developed a safe method of administering hyaluronan into the human SC and determined its penetration route. The amount of hyaluronan that penetrated into the SC was 1.5-3 times higher in the presence of magnesium chloride hexahydrate (MgCl2) than other metal chlorides. The root-mean-square radius of hyaluronan in water decreased with the addition of MgCl2. Moreover, MgCl2 solutions maintained their dissolved state on a plastic plate for a long time, suggesting that size compaction and inhibition of hyaluronan precipitation on the skin enhanced hyaluronan into the SC. Our results also strongly suggest that an intercellular route contributes to the penetration of hyaluronan from the upper to the middle layer of the SC. No disruption to the SC barrier was observed after continuous use once a day for 1 month, demonstrating the potential of our method for the safe, topical application of hyaluronan.
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Affiliation(s)
- Mika Y Fujii
- SHISEIDO CO., LTD, MIRAI Technology Institute, 1-2-11 Takashima, Nishi-ku, Yokohama, 220-0011, Japan.
| | - Anna Okishima
- SHISEIDO CO., LTD, MIRAI Technology Institute, 1-2-11 Takashima, Nishi-ku, Yokohama, 220-0011, Japan
| | - Hiroko S Ichiwata
- SHISEIDO CO., LTD, MIRAI Technology Institute, 1-2-11 Takashima, Nishi-ku, Yokohama, 220-0011, Japan
| | - Takashi Oka
- SHISEIDO CO., LTD, MIRAI Technology Institute, 1-2-11 Takashima, Nishi-ku, Yokohama, 220-0011, Japan
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Uchino T, Fujimori S, Hatta I, Miyazaki Y, Kamiya D, Fujino H, Suzuki R, Kirishita Y, Eda T, Murashima K, Kagawa Y. Development of novel polyglycerol fatty acid ester-based nanoparticles for the dermal delivery of tocopherol acetate. Int J Pharm 2021; 592:120004. [PMID: 33127489 DOI: 10.1016/j.ijpharm.2020.120004] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2020] [Revised: 10/06/2020] [Accepted: 10/18/2020] [Indexed: 11/17/2022]
Abstract
The aim of this study was to develop and evaluate novel polyglycerol fatty acid ester (PGFE)-based nanoparticles (NPs) for the dermal delivery of tocopherol acetate (TA). TA-loaded PGFE-based NPs (PGFE-NPs) were prepared by mixing PGFE, soya phosphatidylcholine, dimyristoylphosphatidylglycerol, and TA with film using the film rehydration and extrusion method. The prepared formulations were analyzed by dynamic light scattering, small-angle X-ray diffraction and polarization microscopy. An in vitro skin accumulation test was performed with TA under occlusive and non-occlusive applications, using Yucatan micropig skin. The size range of the TA-loaded liposome and PGFE-NPs was 107-128 nm, and they were encapsulated in 1.6-2.3 mg/mL TA. All PGFE-NP formulations were negatively charged and stable for 2 weeks. Under occlusive applications, all formulations induced small amounts of TA accumulation in the epidermis but not in the dermis. However, under non-occlusive applications, some of PGFE-NP formulations enhanced TA accumulation in the epidermis. Furthermore, only the polyglycerol 4-laurate (PG4L)-based formulation induced dermal TA accumulation with the change in the formulation from a vesicular to bilayer stacked structure following water evaporation under non-occlusive applications. These results indicated that the novel TA-loaded PG4L formulation enabled the dermal delivery of TA in non-occlusive applications.
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Affiliation(s)
- Tomonobu Uchino
- Department of Clinical Pharmaceutics, School of Pharmaceutical Sciences, University of Shizuoka, 52-1 Yada, Suruga-ku, Shizuoka 422-8526, Japan.
| | - Shun Fujimori
- Department of Clinical Pharmaceutics, School of Pharmaceutical Sciences, University of Shizuoka, 52-1 Yada, Suruga-ku, Shizuoka 422-8526, Japan
| | - Ichiro Hatta
- Department of Research, Nagoya Industrial Science Research Institute, 1-13 Yotsuyadori, Chikusa-ku, Nagoya 464-0819, Japan
| | - Yasunori Miyazaki
- Department of Clinical Pharmaceutics, School of Pharmaceutical Sciences, University of Shizuoka, 52-1 Yada, Suruga-ku, Shizuoka 422-8526, Japan
| | - Daichi Kamiya
- Department of Clinical Pharmaceutics, School of Pharmaceutical Sciences, University of Shizuoka, 52-1 Yada, Suruga-ku, Shizuoka 422-8526, Japan
| | - Hiyori Fujino
- Department of Clinical Pharmaceutics, School of Pharmaceutical Sciences, University of Shizuoka, 52-1 Yada, Suruga-ku, Shizuoka 422-8526, Japan
| | - Rie Suzuki
- Department of Clinical Pharmaceutics, School of Pharmaceutical Sciences, University of Shizuoka, 52-1 Yada, Suruga-ku, Shizuoka 422-8526, Japan
| | - Yukako Kirishita
- Department of Clinical Pharmaceutics, School of Pharmaceutical Sciences, University of Shizuoka, 52-1 Yada, Suruga-ku, Shizuoka 422-8526, Japan
| | - Takashi Eda
- Department of Clinical Pharmaceutics, School of Pharmaceutical Sciences, University of Shizuoka, 52-1 Yada, Suruga-ku, Shizuoka 422-8526, Japan
| | - Kenji Murashima
- Research and Development Center, Sakamoto Yakuhin Kogyo Co., Ltd., 3-1-62 Ayumino, Izumi, Osaka 594-1157, Japan
| | - Yoshiyuki Kagawa
- Department of Clinical Pharmaceutics, School of Pharmaceutical Sciences, University of Shizuoka, 52-1 Yada, Suruga-ku, Shizuoka 422-8526, Japan
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Uchino T, Kato S, Hatta I, Miyazaki Y, Suzuki T, Sasaki K, Kagawa Y. Study on the drug permeation mechanism from flurbiprofen-loaded glyceryl monooleyl ether-based lyotropic liquid crystalline nanoparticles across the skin: Synchrotron X-ray diffraction and confocal laser scanning microscopy study. Int J Pharm 2019; 555:259-269. [DOI: 10.1016/j.ijpharm.2018.11.031] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2018] [Revised: 11/12/2018] [Accepted: 11/13/2018] [Indexed: 01/09/2023]
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