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Jing R, Fu M, Huang Y, Zhang K, Ye J, Gong F, Jihea Ali Naji Nasser AB, Xu X, Xiao J, Yu G, Lin S, Zhao W, Xu N, Li X, Li Z, Gao S. Oat β-glucan repairs the epidermal barrier by upregulating the levels of epidermal differentiation, cell-cell junctions and lipids via Dectin-1. Br J Pharmacol 2024; 181:1596-1613. [PMID: 38124222 DOI: 10.1111/bph.16306] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2023] [Revised: 11/07/2023] [Accepted: 12/05/2023] [Indexed: 12/23/2023] Open
Abstract
BACKGROUND AND PURPOSE Oat β-glucan could ameliorate epidermal hyperplasia and accelerate epidermal barrier repair. Dectin-1 is one of the receptors of β-glucan and many biological functions of β-glucan are mediated by Dectin-1. Dectin-1 promotes wound healing through regulating the proliferation and migration of skin cells. Thus, this study aimed to investigate the role of oat β-glucan and Dectin-1 in epidermal barrier repair. EXPERIMENTAL APPROACH To investigate the role of Dectin-1 in the epidermal barrier, indicators associated with the recovery of a damaged epidermal barrier, including histopathological changes, keratinization, proliferation, apoptosis, differentiation, cell-cell junctions and lipid content were compared between WT and Dectin-1-/- mice. Further, the effect of oat β-glucan on the disruption of the epidermal barrier was also compared between WT and Dectin-1-/- mice. KEY RESULTS Dectin-1 deficiency resulted in delayed recovery and marked keratinization, as well as abnormal levels of keratinocyte differentiation, cell-cell junctions and lipid synthesis during the restoration of the epidermal barrier. Oat β-glucan significantly reduces epidermal hyperplasia, promotes epidermal differentiation, increases cell-cell junction expression, promotes lipid synthesis and ultimately accelerates the recovery of damaged epidermal barriers via Dectin-1. Oat β-glucan could promote CaS receptor expression and activate the PPAR-γ signalling pathway via Dectin-1. CONCLUSION AND IMPLICATIONS Oat β-glucan promote the recovery of damaged epidermal barriers through promoting epidermal differentiation, increasing the expression of cell-cell junctions and lipid synthesis through Dectin-1. Dectin-1 deficiency delay the recovery of epidermal barriers, which indicated that Dectin-1 may be a potential target in epidermal barrier repair.
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Affiliation(s)
- Rongrong Jing
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, China
- College of Life and Environmental Sciences, Wenzhou University, Wenzhou, China
| | - Mengli Fu
- College of Life and Environmental Sciences, Wenzhou University, Wenzhou, China
| | - Yuhan Huang
- Department of Dermatology and Venereology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
| | - Kaini Zhang
- College of Life and Environmental Sciences, Wenzhou University, Wenzhou, China
| | - Jiabin Ye
- College of Life and Environmental Sciences, Wenzhou University, Wenzhou, China
| | - Fanghua Gong
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, China
| | | | - Xiashun Xu
- College of Life and Environmental Sciences, Wenzhou University, Wenzhou, China
| | - Jiali Xiao
- College of Life and Environmental Sciences, Wenzhou University, Wenzhou, China
| | - Guangdong Yu
- College of Life and Environmental Sciences, Wenzhou University, Wenzhou, China
| | - Shisheng Lin
- College of Life and Environmental Sciences, Wenzhou University, Wenzhou, China
| | - Wengang Zhao
- College of Life and Environmental Sciences, Wenzhou University, Wenzhou, China
| | - Nuo Xu
- College of Life and Environmental Sciences, Wenzhou University, Wenzhou, China
| | - Xiaokun Li
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, China
| | - Zhiming Li
- Department of Dermatology and Venereology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
| | - Shuang Gao
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, China
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Hazrati R, Davaran S, Keyhanvar P, Soltani S, Alizadeh E. A Systematic Review of Stem Cell Differentiation into Keratinocytes for Regenerative Applications. Stem Cell Rev Rep 2024; 20:362-393. [PMID: 37922106 DOI: 10.1007/s12015-023-10636-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/25/2023] [Indexed: 11/05/2023]
Abstract
To improve wound healing or treatment of other skin diseases, and provide model cells for skin biology studies, in vitro differentiation of stem cells into keratinocyte-like cells (KLCs) is very desirable in regenerative medicine. This study examined the most recent advancements in in vitro differentiation of stem cells into KLCs, the effect of biofactors, procedures, and preparation for upcoming clinical cases. A range of stem cells with different origins could be differentiated into KLCs under appropriate conditions. The most effective ways of stem cell differentiation into keratinocytes were found to include the co-culture with primary epithelial cells and keratinocytes, and a cocktail of growth factors, cytokines, and small molecules. KLCs should also be supported by biomaterials for the extracellular matrix (ECM), which replicate the composition and functionality of the in vivo extracellular matrix (ECM) and, thus, support their phenotypic and functional characteristics. The detailed efficient characterization of different factors, and their combinations, could make it possible to find the significant inducers for stem cell differentiation into epidermal lineage. Moreover, it allows the development of chemically known media for directing multi-step differentiation procedures.In conclusion, the differentiation of stem cells to KLCs is feasible and KLCs were used in experimental, preclinical, and clinical trials. However, the translation of KLCs from in vitro investigational system to clinically valuable cells is challenging and extremely slow.
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Affiliation(s)
- Raheleh Hazrati
- Department of Medicinal Chemistry, Faculty of Pharmacy, Tabriz University of Medical Sciences, Tabriz, Iran
- Research Center for Pharmaceutical Nanotechnology, Biomedicine Institute, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Soodabeh Davaran
- Department of Medicinal Chemistry, Faculty of Pharmacy, Tabriz University of Medical Sciences, Tabriz, Iran.
- Research Center for Pharmaceutical Nanotechnology, Biomedicine Institute, Tabriz University of Medical Sciences, Tabriz, Iran.
| | - Peyman Keyhanvar
- Department of Medical Biotechnology, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Somaieh Soltani
- Department of Medicinal Chemistry, Faculty of Pharmacy, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Effat Alizadeh
- Department of Medical Biotechnology, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran.
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Kim WH, Kim JE, Kim S, Na Y, Hong YD, Choi J, Park WS, Shim SM. Bioconversion of BIOGF1K, a compound-K-rich fraction from ginseng root and its effect on epidermal barrier function. Heliyon 2023; 9:e14803. [PMID: 37025761 PMCID: PMC10070716 DOI: 10.1016/j.heliyon.2023.e14803] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2022] [Revised: 03/10/2023] [Accepted: 03/17/2023] [Indexed: 03/29/2023] Open
Abstract
BIOGF1K, the ginseng root-based and hydrolyzed ginsenoside-rich fraction, is known to improve skin damage, but there are rare studies on the kinetic of ginsenosides in the epidermis and their effects on epidermal barrier function. The current study investigated the effect of BIOGF1K on epidermal barrier function and its kinetics on epidermal transport. HPLC and LC/MS were used to verify the ginsenosides and the metabolites of BIOGF1K. Human immortalized keratinocytes (HaCaT) and epidermis-dermis artificial skin were treated with BIOGF1K and their metabolites were analyzed by HPLC and LC/MS. The epidermal barrier function was evaluated by transepithelial electrical resistance (TEER). In BIOGF1K, ginsenoside Rg1, Rd, F1, F2, compound Mc, compound Y (CY), and compound K (CK) were detected and CK and CY were the most and second abundant ginsenosides. TEER of HaCaT with 100 and 200 μg/mL BIOGF1K treatment was significantly higher than the control during 600 min of incubation. CK was permeated to the epidermis in a time-dependent manner and its maximum transported rate was observed at 600 min. In the case of artificial skin, CY and CK were permeated to the epidermis-dermis skin as time-dependent. Also, 24 h after treatment of CY, CK was detected as 19.59% of CY. It was proposed that CY was hydrolyzed into CK while permeating the epidermis. Results from the current study suggest that bioconversion of BIOGF1K rich in CK effectively enhances epidermal barrier function and it could be a useful cosmeceutical to exhibit its functionality to the skin.
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Affiliation(s)
- Woo-Hyun Kim
- Department of Food Science and Biotechnology, Sejong University, 98 Gunja-dong, Seoul 05006, South Korea
| | - Jeong-Eun Kim
- Department of Food Science and Biotechnology, Sejong University, 98 Gunja-dong, Seoul 05006, South Korea
| | - Sehyun Kim
- AMOREPACIFIC Research and Innovation Center, 1920, Yonggu-daero, Giheung-gu, Yongin-si 17074, Gyeonggi-do, South Korea
| | - Yongjoo Na
- AMOREPACIFIC Research and Innovation Center, 1920, Yonggu-daero, Giheung-gu, Yongin-si 17074, Gyeonggi-do, South Korea
| | - Yong-Deok Hong
- AMOREPACIFIC Research and Innovation Center, 1920, Yonggu-daero, Giheung-gu, Yongin-si 17074, Gyeonggi-do, South Korea
| | - Joonho Choi
- AMOREPACIFIC Research and Innovation Center, 1920, Yonggu-daero, Giheung-gu, Yongin-si 17074, Gyeonggi-do, South Korea
| | - Won-Seok Park
- AMOREPACIFIC Research and Innovation Center, 1920, Yonggu-daero, Giheung-gu, Yongin-si 17074, Gyeonggi-do, South Korea
- Corresponding author.
| | - Soon-Mi Shim
- Department of Food Science and Biotechnology, Sejong University, 98 Gunja-dong, Seoul 05006, South Korea
- Corresponding author.
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Gao S, Chen Y, Zhao J, Jing R, Guo K, Wang L, Li X, Li C, Hu Z, Xu N. Oat β-glucan ameliorates epidermal barrier disruption by upregulating the expression of CaSR through dectin-1-mediated ERK and p38 signaling pathways. Int J Biol Macromol 2021; 185:876-889. [PMID: 34237364 DOI: 10.1016/j.ijbiomac.2021.07.002] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2021] [Revised: 06/21/2021] [Accepted: 07/01/2021] [Indexed: 11/28/2022]
Abstract
The integrity of the epidermal barrier and the maintenance of barrier homeostasis depend on the dynamic balance between the proliferation and differentiation of keratinocytes. Calcium (Ca2+) plays a crucial role in maintaining a balance of these two processes as well as in the formation of an epidermal permeability barrier. In this study, we showed that topical application of oat β-glucan (OG) could ameliorate epidermal hyperplasia and accelerate the recovery of the epidermal barrier by promoting epidermal differentiation. Mechanistic studies revealed a positive interaction between OG and the dectin-1 receptor, and this interaction could lead to an upregulated expression of the calcium-sensing receptor (CaSR) via activation of the downstream ERK and p38 pathways. This consequently increased the sensitivity of keratinocytes to extracellular Ca2+ under the condition of calcium loss following the disruption of the epidermal barrier, resulting in the maintenance of normal keratinocyte differentiation in the epidermis, and ultimately promoting the recovery of the epidermal barrier. These findings clearly demonstrated the healing effect of OG on a physically damaged epidermal barrier. Thus, OG could be considered a valuable component in the development of skin repair agents.
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Affiliation(s)
- Shuang Gao
- College of Life and Environmental Sciences, Wenzhou University, Wenzhou 325035, China; School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou 325035, China
| | - Yu Chen
- College of Life and Environmental Sciences, Wenzhou University, Wenzhou 325035, China
| | - Jungang Zhao
- College of Life and Environmental Sciences, Wenzhou University, Wenzhou 325035, China
| | - Rongrong Jing
- College of Life and Environmental Sciences, Wenzhou University, Wenzhou 325035, China
| | - KeKe Guo
- College of Life and Environmental Sciences, Wenzhou University, Wenzhou 325035, China
| | - Lusheng Wang
- College of Life and Environmental Sciences, Wenzhou University, Wenzhou 325035, China
| | - Xuenan Li
- College of Life and Environmental Sciences, Wenzhou University, Wenzhou 325035, China
| | - Chengliang Li
- LB Cosmeceutical Technology Co., Ltd., Shanghai 200233, China
| | - Zhenlin Hu
- College of Life and Environmental Sciences, Wenzhou University, Wenzhou 325035, China; School of Medicine, Shanghai University, Shanghai 200444, China.
| | - Nuo Xu
- College of Life and Environmental Sciences, Wenzhou University, Wenzhou 325035, China.
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