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Klinngam W, Rungkamoltip P, Wongwanakul R, Joothamongkhon J, Du-a-man S, Khongkow M, Asawapirom U, Iempridee T, Ruktanonchai U. Skin Rejuvenation Efficacy and Safety Evaluation of Kaempferia parviflora Standardized Extract (BG100) in Human 3D Skin Models and Clinical Trial. Biomolecules 2024; 14:776. [PMID: 39062490 PMCID: PMC11274994 DOI: 10.3390/biom14070776] [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: 05/02/2024] [Revised: 05/31/2024] [Accepted: 06/08/2024] [Indexed: 07/28/2024] Open
Abstract
Polymethoxyflavones from Kaempferia parviflora rhizomes have been shown to effectively combat aging in skin cells and tissues by inhibiting senescence, reducing oxidative stress, and enhancing skin structure and function. This study assessed the anti-aging effects and safety of standardized K. parviflora extract (BG100), enriched with polymethoxyflavones including 5,7-dimethoxyflavone, 5,7,4'-trimethoxyflavone, 3,5,7,3',4'-pentamethoxyflavone, 3,5,7-trimethoxyflavone, and 3,5,7,4'-tetramethoxyflavone. We evaluated BG100's impact on skin rejuvenation and antioxidant properties using photoaged human 3D full-thickness skin models. The potential for skin irritation and sensitization was also assessed through studies on reconstructed human epidermis and clinical trials. Additionally, in vitro genotoxicity testing was performed following OECD guidelines. Results indicate that BG100 promotes collagen and hyaluronic acid production, reduces oxidative stress, and minimizes DNA damage in photoaged full-thickness 3D skin models. Furthermore, it exhibited non-irritating and non-sensitizing properties, as supported by tests on reconstructed human epidermis and clinical settings. BG100 also passed in vitro genotoxicity tests, adhering to OECD guidelines. These results underscore BG100's potential as a highly effective and safe, natural anti-aging agent, suitable for inclusion in cosmeceutical and nutraceutical products aimed at promoting skin rejuvenation.
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Affiliation(s)
| | | | | | | | | | | | | | - Tawin Iempridee
- National Nanotechnology Center (NANOTEC), National Science and Technology Development Agency, Pathum Thani 12120, Thailand; (W.K.)
| | - Uracha Ruktanonchai
- National Nanotechnology Center (NANOTEC), National Science and Technology Development Agency, Pathum Thani 12120, Thailand; (W.K.)
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Lee JS, Yoon YC, Kim JM, Kim YH, Kang YH, Shin YC. Liquid collagen from freshwater fish skin ameliorates hydration, roughness and elasticity in photo-aged skin: a randomized, controlled, clinical study. Nutr Res Pract 2024; 18:357-371. [PMID: 38854476 PMCID: PMC11156766 DOI: 10.4162/nrp.2024.18.3.357] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2023] [Revised: 03/19/2024] [Accepted: 05/09/2024] [Indexed: 06/11/2024] Open
Abstract
BACKGROUND/OBJECTIVES Collagen is commonly used in diverse forms as a functional component in skincare products. On the other hand, the effects of collagen on human skin are controversial. Dietary collagen hydrolysates from freshwater Pangasius hypophthalmus fish skin ameliorated photo-aged skin of hairless mice. This study conducted a randomized, double-blind, placebo-controlled clinical trial to determine if liquid fish collagen (Collagen-Tripep20™, Tripep20) as a drink strengthens skin health and quality. SUBJECTS/METHODS In this clinical trial, 85 subjects aged 35-60 yrs were diagnosed with photo-aged skin. Eighty-five subjects were randomized to receive either Tripep20 (n = 44) or placebo (n = 41). Seventy-eight subjects fully participating for a 12-week period consumed 1,000 mg of Tripep20 (n = 41) or placebo (n = 37) in a 50-mL bottle as a daily drink. The intend-to-treat and per-protocol populations were 85 and 78, respectively. Skin hydration, wrinkles, and elasticity were assessed at 0 (baseline), 6, and 12 weeks during the study period. RESULTS Skin hydration in the Tripep20 group was significantly higher from 6 weeks (P < 0.001) than the baseline. After 12 weeks, the Crow's-feet visual score and skin roughness (Ra, Rq, and Rmax) were significantly improved in the Tripep20 group than in the placebo group (P < 0.05). Consuming liquid collagen Tripep20 greatly enhanced skin elasticity (Gross R2, Net R5, and Biological elasticity R7) in 6 weeks compared to the placebo group. The Tripep20 group showed a significant increase in skin elasticity from the baseline after 6 and 12 weeks (P < 0.001). Neither abnormal symptoms nor adverse events were encountered during the study period in subjects ingesting Tripep20 or placebo. The changes in parameters related to hematology and clinical chemistry were within the normal ranges. CONCLUSION Oral consumption of liquid collagen Tripep20 was safe and well-tolerated. The results of this study show that freshwater fish-derived liquid collagen Tripep20 can be used as a healthy functional food ingredient to improve skin moisturizing, anti-wrinkling, and elasticity in an aging population.
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Affiliation(s)
- Joong Su Lee
- Healthcare & Nutrition Laboratory, Amicogen, Inc., Seongnam 13488, Korea
| | - Yeo Cho Yoon
- Healthcare & Nutrition Laboratory, Amicogen, Inc., Seongnam 13488, Korea
| | - Ju Myung Kim
- Healthcare & Nutrition Laboratory, Amicogen, Inc., Seongnam 13488, Korea
| | - Yun-Ho Kim
- Healthcare & Nutrition Laboratory, Amicogen, Inc., Seongnam 13488, Korea
| | - Young-Hee Kang
- Department of Food and Nutrition and Korean Institute of Nutrition, Hallym University, Chuncheon 24252, Korea
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Jeong J, Lee W, Kim YA, Lee YJ, Kim S, Shin J, Choi Y, Kim J, Lee Y, Kim MS, Kwon SH. Multi-System-Level Analysis Reveals Differential Expression of Stress Response-Associated Genes in Inflammatory Solar Lentigo. Int J Mol Sci 2024; 25:3973. [PMID: 38612783 PMCID: PMC11012242 DOI: 10.3390/ijms25073973] [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: 02/29/2024] [Revised: 03/27/2024] [Accepted: 03/29/2024] [Indexed: 04/14/2024] Open
Abstract
Although the pathogenesis of solar lentigo (SL) involves chronic ultraviolet (UV) exposure, cellular senescence, and upregulated melanogenesis, underlying molecular-level mechanisms associated with SL remain unclear. The aim of this study was to investigate the gene regulatory mechanisms intimately linked to inflammation in SL. Skin samples from patients with SL with or without histological inflammatory features were obtained. RNA-seq data from the samples were analyzed via multiple analysis approaches, including exploration of core inflammatory gene alterations, identifying functional pathways at both transcription and protein levels, comparison of inflammatory module (gene clusters) activation levels, and analyzing correlations between modules. These analyses disclosed specific core genes implicated in oxidative stress, especially the upregulation of nuclear factor kappa B in the inflammatory SLs, while genes associated with protective mechanisms, such as SLC6A9, were highly expressed in the non-inflammatory SLs. For inflammatory modules, Extracellular Immunity and Mitochondrial Innate Immunity were exclusively upregulated in the inflammatory SL. Analysis of protein-protein interactions revealed the significance of CXCR3 upregulation in the pathogenesis of inflammatory SL. In conclusion, the upregulation of stress response-associated genes and inflammatory pathways in response to UV-induced oxidative stress implies their involvement in the pathogenesis of inflammatory SL.
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Affiliation(s)
- Jisu Jeong
- Translational-Transdisciplinary Research Center, Clinical Research Institute, Kyung Hee University Hospital at Gangdong, Kyung Hee University College of Medicine, Seoul 05278, Republic of Korea; (J.J.); (W.L.); (Y.-A.K.); (S.K.); (J.S.); (Y.C.); (J.K.); (Y.L.)
- Department of Biomedical Science and Technology, Graduate School, Kyung Hee University, Seoul 02453, Republic of Korea
| | - Wonmin Lee
- Translational-Transdisciplinary Research Center, Clinical Research Institute, Kyung Hee University Hospital at Gangdong, Kyung Hee University College of Medicine, Seoul 05278, Republic of Korea; (J.J.); (W.L.); (Y.-A.K.); (S.K.); (J.S.); (Y.C.); (J.K.); (Y.L.)
- Department of Medicine, Kyung Hee University College of Medicine, Seoul 02453, Republic of Korea
| | - Ye-Ah Kim
- Translational-Transdisciplinary Research Center, Clinical Research Institute, Kyung Hee University Hospital at Gangdong, Kyung Hee University College of Medicine, Seoul 05278, Republic of Korea; (J.J.); (W.L.); (Y.-A.K.); (S.K.); (J.S.); (Y.C.); (J.K.); (Y.L.)
- Department of Biomedical Science and Technology, Graduate School, Kyung Hee University, Seoul 02453, Republic of Korea
| | - Yun-Ji Lee
- Department of Dermatology, Kyung Hee University Hospital at Gangdong, Kyung Hee University College of Medicine, Seoul 05278, Republic of Korea;
| | - Sohyun Kim
- Translational-Transdisciplinary Research Center, Clinical Research Institute, Kyung Hee University Hospital at Gangdong, Kyung Hee University College of Medicine, Seoul 05278, Republic of Korea; (J.J.); (W.L.); (Y.-A.K.); (S.K.); (J.S.); (Y.C.); (J.K.); (Y.L.)
- Department of Medicine, Kyung Hee University College of Medicine, Seoul 02453, Republic of Korea
| | - Jaeyeon Shin
- Translational-Transdisciplinary Research Center, Clinical Research Institute, Kyung Hee University Hospital at Gangdong, Kyung Hee University College of Medicine, Seoul 05278, Republic of Korea; (J.J.); (W.L.); (Y.-A.K.); (S.K.); (J.S.); (Y.C.); (J.K.); (Y.L.)
- Department of Mathematics, Kyung Hee University College of Science, Seoul 02453, Republic of Korea
| | - Yueun Choi
- Translational-Transdisciplinary Research Center, Clinical Research Institute, Kyung Hee University Hospital at Gangdong, Kyung Hee University College of Medicine, Seoul 05278, Republic of Korea; (J.J.); (W.L.); (Y.-A.K.); (S.K.); (J.S.); (Y.C.); (J.K.); (Y.L.)
- Department of Biomedical Science and Technology, Graduate School, Kyung Hee University, Seoul 02453, Republic of Korea
| | - Jihan Kim
- Translational-Transdisciplinary Research Center, Clinical Research Institute, Kyung Hee University Hospital at Gangdong, Kyung Hee University College of Medicine, Seoul 05278, Republic of Korea; (J.J.); (W.L.); (Y.-A.K.); (S.K.); (J.S.); (Y.C.); (J.K.); (Y.L.)
- Department of Medicine, Kyung Hee University College of Medicine, Seoul 02453, Republic of Korea
| | - Yoonsung Lee
- Translational-Transdisciplinary Research Center, Clinical Research Institute, Kyung Hee University Hospital at Gangdong, Kyung Hee University College of Medicine, Seoul 05278, Republic of Korea; (J.J.); (W.L.); (Y.-A.K.); (S.K.); (J.S.); (Y.C.); (J.K.); (Y.L.)
| | - Man S. Kim
- Translational-Transdisciplinary Research Center, Clinical Research Institute, Kyung Hee University Hospital at Gangdong, Kyung Hee University College of Medicine, Seoul 05278, Republic of Korea; (J.J.); (W.L.); (Y.-A.K.); (S.K.); (J.S.); (Y.C.); (J.K.); (Y.L.)
| | - Soon-Hyo Kwon
- Department of Dermatology, Kyung Hee University Hospital at Gangdong, Kyung Hee University College of Medicine, Seoul 05278, Republic of Korea;
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Liu S, Luo H, Zhang P, Li Y, Hao D, Zhang S, Song T, Xu T, He S. Adaptive Selection of Cis-regulatory Elements in the Han Chinese. Mol Biol Evol 2024; 41:msae034. [PMID: 38377343 PMCID: PMC10917166 DOI: 10.1093/molbev/msae034] [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: 10/02/2023] [Revised: 01/18/2024] [Accepted: 02/05/2024] [Indexed: 02/22/2024] Open
Abstract
Cis-regulatory elements have an important role in human adaptation to the living environment. However, the lag in population genomic cohort studies and epigenomic studies, hinders the research in the adaptive analysis of cis-regulatory elements in human populations. In this study, we collected 4,013 unrelated individuals and performed a comprehensive analysis of adaptive selection of genome-wide cis-regulatory elements in the Han Chinese. In total, 12.34% of genomic regions are under the influence of adaptive selection, where 1.00% of enhancers and 2.06% of promoters are under positive selection, and 0.06% of enhancers and 0.02% of promoters are under balancing selection. Gene ontology enrichment analysis of these cis-regulatory elements under adaptive selection reveals that many positive selections in the Han Chinese occur in pathways involved in cell-cell adhesion processes, and many balancing selections are related to immune processes. Two classes of adaptive cis-regulatory elements related to cell adhesion were in-depth analyzed, one is the adaptive enhancers derived from neanderthal introgression, leads to lower hyaluronidase level in skin, and brings better performance on UV-radiation resistance to the Han Chinese. Another one is the cis-regulatory elements regulating wound healing, and the results suggest the positive selection inhibits coagulation and promotes angiogenesis and wound healing in the Han Chinese. Finally, we found that many pathogenic alleles, such as risky alleles of type 2 diabetes or schizophrenia, remain in the population due to the hitchhiking effect of positive selections. Our findings will help deepen our understanding of the adaptive evolution of genome regulation in the Han Chinese.
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Affiliation(s)
- Shuai Liu
- Key Laboratory of Epigenetic Regulation and Intervention, Institute of Biophysics, Chinese Academy of Sciences, Beijing 100101, China
- College of Life Sciences, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Huaxia Luo
- Key Laboratory of Epigenetic Regulation and Intervention, Institute of Biophysics, Chinese Academy of Sciences, Beijing 100101, China
| | - Peng Zhang
- Key Laboratory of Epigenetic Regulation and Intervention, Institute of Biophysics, Chinese Academy of Sciences, Beijing 100101, China
| | - Yanyan Li
- Key Laboratory of Epigenetic Regulation and Intervention, Institute of Biophysics, Chinese Academy of Sciences, Beijing 100101, China
| | - Di Hao
- Key Laboratory of Epigenetic Regulation and Intervention, Institute of Biophysics, Chinese Academy of Sciences, Beijing 100101, China
| | - Sijia Zhang
- Key Laboratory of Epigenetic Regulation and Intervention, Institute of Biophysics, Chinese Academy of Sciences, Beijing 100101, China
- College of Life Sciences, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Tingrui Song
- Key Laboratory of Epigenetic Regulation and Intervention, Institute of Biophysics, Chinese Academy of Sciences, Beijing 100101, China
| | - Tao Xu
- National Laboratory of Biomacromolecules, CAS Center for Excellence in Biomacromolecules, Institute of Biophysics, Chinese Academy of Sciences, Beijing 100101, China
- Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan 250117, Shandong, China
| | - Shunmin He
- Key Laboratory of Epigenetic Regulation and Intervention, Institute of Biophysics, Chinese Academy of Sciences, Beijing 100101, China
- College of Life Sciences, University of Chinese Academy of Sciences, Beijing 100049, China
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Šínová R, Pavlík V, Šimek M, Čepa M, Ondrej M, Nešporová K, Velebný V. The hyaluronan metabolism in the UV-irradiated human epidermis and the relevance of in vitro epidermal models. Exp Dermatol 2023; 32:1694-1705. [PMID: 37443444 DOI: 10.1111/exd.14875] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2022] [Revised: 05/29/2023] [Accepted: 06/25/2023] [Indexed: 07/15/2023]
Abstract
Exposure to the sun affects the skin and may eventually result in UV-induced skin damage. It is generally known that hyaluronan (HA) is one of the main structural and functional components of the skin. However, UV-related changes in the HA metabolism in the skin have not yet been elucidated. Using qRT-PCR, confocal microscopy and LC-MS/MS we compared the naturally sun-exposed (SE), sun-protected, experimentally repeatedly UVA + UVB-exposed and acutely (once) UVA + UVB irradiated skin of Caucasian women. The epidermis was harvested by means of suction blistering 24 h after the acute irradiation. In addition, the epidermis was compared with a UV-irradiated in vitro reconstituted 3D epidermis (EpiDerm) and an in vitro 2D culture of normal human keratinocytes (NHEK). The amount of HA was found to be statistically significantly enhanced in the acutely irradiated epidermis. The acute UV evinced the upregulation of HA synthases (HAS2 and HAS3), hyaluronidases (HYAL2 and HYAL3), Cluster of differentiation 44 (CD44), and Cell Migration Inducing Proteins (CEMIP and CEMIP2), while only certain changes were recapitulated in the 3D epidermis. For the first time, we demonstrated the enhanced gene and protein expression of CEMIP and CEMIP2 following UV irradiation in the human epidermis. The data suggest that the HA metabolism is affected by UV in the irradiated epidermis and that the response can be modulated by the underlying dermis.
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Affiliation(s)
- Romana Šínová
- Contipro a.s, Dolni Dobrouc, Czech Republic
- Institute of Experimental Biology, Faculty of Science, Masaryk University, Brno, Czech Republic
| | | | | | | | - Martin Ondrej
- Contipro a.s, Dolni Dobrouc, Czech Republic
- Department of Radiobiology, Faculty of Military Health Sciences, University of Defence, Brno, Czech Republic
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Gu MJ, Lee HW, Yoo G, Kim D, Choi IW, Kim Y, Ha SK. Protective effect of Schizonepeta tenuifolia Briq. ethanolic extract against UVB-induced skin aging and photodamage in hairless mice. Front Pharmacol 2023; 14:1176073. [PMID: 37351505 PMCID: PMC10283040 DOI: 10.3389/fphar.2023.1176073] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2023] [Accepted: 05/30/2023] [Indexed: 06/24/2023] Open
Abstract
The purpose of this study was to illuminate the mechanism by which Schizonepeta tenuifolia Briq. (ST) ethanolic extract prevents skin photoaging in HR-1 hairless mice (HR-1). The ST ethanolic extract alleviated wrinkle formation, epidermal skin thickness, and collagen degradation in skin tissues of ultraviolet B (UVB)-irradiated HR-1 mice. Expression of matrix metalloproteinases (a wrinkle-related marker) was reduced, and tissue inhibitor of metalloproteinase 1 expression was upregulated following application of ST ethanolic extract. Furthermore, skin dehydration and levels of hyaluronidase-1 and -2 (enzymes that break hyaluronic acid) were decreased. Moreover, protein expression of hyaluronan synthases (markers of skin hydration) and hyaluronic acid levels increased following ST ethanolic extract treatment in UVB-induced photoaging HR-1 mice. In addition, the phosphorylation of mitogen-activated protein kinases (MAPKs), including p38, extracellular signal-regulated kinase, and Jun N-terminal kinase was suppressed, and expression of nuclear factor-kappa was reduced. Treatment with ST ethanolic extract also reduced advanced glycation end product (AGE) accumulation and expression of the receptor for AGE (RAGE) in skin tissue. These results suggest that ST ethanolic extract moderates skin damage caused by UVB irradiation via regulating the expression of wrinkle- and hydration-related proteins, MAPKs, and RAGE.
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Affiliation(s)
- Min Ji Gu
- Korea Food Research Institute, Wanju-gun, Jeollabuk-do, Republic of Korea
- Department of Food Science and Human Nutrition, Jeonbuk National University, Jeonju-si, Jeollabuk-do, Republic of Korea
| | - Hee-Weon Lee
- Korea Food Research Institute, Wanju-gun, Jeollabuk-do, Republic of Korea
- New Drug Development Venter, Daegu-Gyeongbuk Medical Innovation Foundation, Daegu, Republic of Korea
| | - Guijae Yoo
- Korea Food Research Institute, Wanju-gun, Jeollabuk-do, Republic of Korea
| | - Donghwan Kim
- Korea Food Research Institute, Wanju-gun, Jeollabuk-do, Republic of Korea
| | - In-Wook Choi
- Korea Food Research Institute, Wanju-gun, Jeollabuk-do, Republic of Korea
| | - Yoonsook Kim
- Korea Food Research Institute, Wanju-gun, Jeollabuk-do, Republic of Korea
| | - Sang Keun Ha
- Korea Food Research Institute, Wanju-gun, Jeollabuk-do, Republic of Korea
- Division of Food Biotechnology, University of Science and Technology, Daejeon, Republic of Korea
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Prokopov A, Drobintseva A, Kvetnoy I, Gazitaeva Z, Sidorina A. Effect of a hyaluronic acid-based mesotherapeutic injectable on the gene expression of CLOCK and Klotho proteins, and environmentally induced oxidative stress in human skin cells. J Cosmet Dermatol 2023; 22:156-172. [PMID: 35560862 DOI: 10.1111/jocd.15078] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2022] [Revised: 03/15/2022] [Accepted: 05/02/2022] [Indexed: 01/24/2023]
Abstract
OBJECTIVE Normal circadian rhythms are essential to the repair mechanisms of oxidative stress implicated in skin aging. Given reports that hyaluronic acid (HA) homeostasis exhibits a different profile in chronological skin aging, as compared to environmental or extrinsic aging, an improved understanding of the way HA interacts with its surroundings, and the impact of HA injectables in replacing lost HA and encouraging rejuvenation, is of key benefit to skin aging treatments. The objectives of these current studies were twofold. Firstly, to demonstrate the in vitro effects of two lightweight hyaluronic-based injectables on the expression of CLOCK protein in human skin fibroblasts, and their effects on Klotho protein expression as a marker for circadian rhythms in a combined human keratinocyte and Merkel cell model. Secondly, to ascertain whether these findings could be correlated with in vitro effects on various environmental oxidative stress aging markers (blue light, UVA/UVB, Urban Dust, and IR exposures). METHODS Oxidative stress studies were aimed to highlight possible protective effects through different challenge conditions in two models, ex vivo human skin explants and in vitro monolayer cultures of normal human dermal fibroblasts (NHDF). The protective effects of the test products were evaluated against an increase of cyclobutene pyrimidine dimers (CPDs) abundance within epidermal section of ex vivo skin explants after UVA/UVB radiation; effects of blue light on gene expression from NHDFs fibroblasts; effects of pollutants (Urban dust, UbD) on gene expression in NHDFs fibroblasts; and an increase of reactive oxygen species (ROS) production by NHDFs fibroblasts after infrared-A radiation. Gene expression was assayed and analyzed utilizing microfluidic TaqMan qPCR arrays. CLOCK expression was measured in young and senescing NHDFs by immunostaining, and Klotho and melatonin expression by immunostaining in Merkel cell-enriched normal adult human epidermal cell cultures. RESULTS In an aging culture of mixed keratinocyte and Merkel skin cells, activation of Klotho expression was induced by the application of both HA test products. Moreover, the HA products increase Klotho protein expression in both Merkel cells and keratinocytes. The observed positive effect of the tested products on melatonin receptors 1A and 1B expression in aging Merkel cell culture and keratinocytes is also interesting. HA-Y (developed for patients 25+ years old) stimulated melatonin receptors type 1B expression in aging cell cultures more strongly than HA-S (developed for patients 35-65 years old). In age (stressed) cells, a lower expression of Klotho protein and melatonin receptors 1A and 1B is apparent. The addition of HA-Y and HA-S stimulates their expression thus providing a "protective" effect. The blue light irradiation at 40 J/cm2 performed in NHDF fibroblast cultures led to a modification of the expression of several genes, all involved in mechanisms known to be modulated in case of solar radiation stress. CONCLUSIONS Although these are preliminary findings, they are the first we know of that demonstrate HA facial injectables having a benefit and possibilities beyond the "physical filling" of the skin. As regards the beneficial effects against blue light-induced oxidative stress, and a return to cellular homeostasis, there is a need to conduct further and more precise investigations into HA-S. Furthermore, the benefit of these HA injectables (Novacutan®) in the modulation of oxidative stressed circadian rhythms widens their potential benefit.
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Affiliation(s)
| | - Anna Drobintseva
- Department of Medical Biology, Saint-Petersburg State Pediatric Medical University, Saint-Petersburg, Russian Federation.,Center for Molecular Biomedicine, Saint-Petersburg State Research Institute of Phthisiopulmonology, Saint-Petersburg, Russian Federation
| | - Igor Kvetnoy
- Center for Molecular Biomedicine, Saint-Petersburg State Research Institute of Phthisiopulmonology, Saint-Petersburg, Russian Federation
| | | | - Anna Sidorina
- LLC Medical Bioengineering Systems, Moscow, Russian Federation
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Organic ultraviolet filters regulate hyaluronan metabolism in human epidermal keratinocytes through the phosphatidylinositol 3-kinase pathway. Toxicol In Vitro 2022; 86:105511. [DOI: 10.1016/j.tiv.2022.105511] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2022] [Revised: 10/17/2022] [Accepted: 10/31/2022] [Indexed: 11/06/2022]
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Reilly PF, Tjahjadi A, Miller SL, Akey JM, Tucci S. The contribution of Neanderthal introgression to modern human traits. Curr Biol 2022; 32:R970-R983. [PMID: 36167050 PMCID: PMC9741939 DOI: 10.1016/j.cub.2022.08.027] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Neanderthals, our closest extinct relatives, lived in western Eurasia from 400,000 years ago until they went extinct around 40,000 years ago. DNA retrieved from ancient specimens revealed that Neanderthals mated with modern human contemporaries. As a consequence, introgressed Neanderthal DNA survives scattered across the human genome such that 1-4% of the genome of present-day people outside Africa are inherited from Neanderthal ancestors. Patterns of Neanderthal introgressed genomic sequences suggest that Neanderthal alleles had distinct fates in the modern human genetic background. Some Neanderthal alleles facilitated human adaptation to new environments such as novel climate conditions, UV exposure levels and pathogens, while others had deleterious consequences. Here, we review the body of work on Neanderthal introgression over the past decade. We describe how evolutionary forces shaped the genomic landscape of Neanderthal introgression and highlight the impact of introgressed alleles on human biology and phenotypic variation.
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Affiliation(s)
| | - Audrey Tjahjadi
- Department of Anthropology, Yale University, New Haven, CT, USA
| | | | - Joshua M Akey
- Lewis Sigler Institute for Integrative Genomics, Princeton University, Princeton, NJ, USA.
| | - Serena Tucci
- Department of Anthropology, Yale University, New Haven, CT, USA; Department of Ecology and Evolutionary Biology, Yale University, New Haven, CT, USA.
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Umugire A, Lee S, Lee CJ, Choi Y, Kim T, Cho HH. Hyaluronan synthase 1: A novel candidate gene associated with late-onset non-syndromic hereditary hearing loss. Clin Exp Otorhinolaryngol 2022; 15:220-229. [PMID: 35413171 PMCID: PMC9441500 DOI: 10.21053/ceo.2022.00038] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2022] [Accepted: 03/29/2022] [Indexed: 11/22/2022] Open
Abstract
Objectives Hyaluronan synthase 1 (HAS1) is a membrane-bound protein that is abundant in the epidermis and dermis, and it is important for skin function. However, its association with hearing loss has not yet been studied. Herein, we sought to evaluate the potential contribution of HAS1: c.1082G>A to genetic hearing loss. Methods We used whole-exome sequencing to analyze blood DNA samples of six patients of a family with autosomal dominant familial late-onset progressive hearing loss, which was revealed to be related to a variant of the HAS1 gene. Confirmatory Sanger sequencing was performed with samples from 10 members. A missense variant was detected in HAS1 (c.1082 G>A, p.Cys361Tyr). In silico analyses predicted this variant to result in the functional loss of HAS1. Immunostaining was conducted using wild-type mouse samples to verify HAS1 expression. Results Has1 was detected in an otocyst at E10.5. In the pup, Has1 expression was localized in the stria vascularis (SV), hair cells, supporting cells of the organ of Corti, and some spiral ganglion neurons. SV marginal cells markedly expressed Has1 in the adult stage. The hearing threshold in the Has1-depleted condition was investigated by accessing the International Mouse Phenotyping Consortium’s Auditory Brainstem Response (ABR) data. ABR of Has1 knock-out mice showed threshold elevations at 6, 12, and 18 kHz in young male adults. Conclusion HAS1 may have a close relationship with auditory function and genetic hearing loss. Further investigation is needed to reveal the precise role of HAS1 in the auditory system. HAS1 is a candidate gene for future hereditary hearing loss genetic testing.
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Ota Y, Yoshida H, Endo Y, Sayo T, Takahashi Y. A Connecting Link between Hyaluronan Synthase 3-Mediated Hyaluronan Production and Epidermal Function. Int J Mol Sci 2022; 23:ijms23052424. [PMID: 35269567 PMCID: PMC8910372 DOI: 10.3390/ijms23052424] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2022] [Revised: 02/21/2022] [Accepted: 02/21/2022] [Indexed: 01/31/2023] Open
Abstract
Hyaluronan (HA), an essential component of the extracellular matrix of the skin, is synthesized by HA synthases (HAS1-3). To date, epidermal HA has been considered a major player in regulating cell proliferation and differentiation. However, a previous study reported that depletion of epidermal HA by Streptomyces hyaluronidase (St-HAase) has no influence on epidermal structure and function. In the present study, to further explore roles of epidermal HA, we examined effects of siRNA-mediated knockdown of HAS3, as well as conventional HA-depletion methods using St-HAase and 4-methylumbelliferone (4MU), on epidermal turnover and architecture in reconstructed skin or epidermal equivalents. Consistent with previous findings, HA depletion by St-HAase did not have a substantial influence on the epidermal architecture and turnover in skin equivalents. 4MU treatment resulted in reduced keratinocyte proliferation and epidermal thinning but did not seem to substantially decrease the abundance of extracellular HA. In contrast, siRNA-mediated knockdown of HAS3 in epidermal equivalents resulted in a significant reduction in epidermal HA content and thickness, accompanied by decreased keratinocyte proliferation and differentiation. These results suggest that HAS3-mediated HA production, rather than extracellularly deposited HA, may play a role in keratinocyte proliferation and differentiation, at least in the developing epidermis in reconstructed epidermal equivalents.
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13
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Takabe P, Siiskonen H, Rönkä A, Kainulainen K, Pasonen-Seppänen S. The Impact of Hyaluronan on Tumor Progression in Cutaneous Melanoma. Front Oncol 2022; 11:811434. [PMID: 35127523 PMCID: PMC8813769 DOI: 10.3389/fonc.2021.811434] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2021] [Accepted: 12/31/2021] [Indexed: 12/21/2022] Open
Abstract
The incidence of cutaneous melanoma is rapidly increasing worldwide. Cutaneous melanoma is an aggressive type of skin cancer, which originates from malignant transformation of pigment producing melanocytes. The main risk factor for melanoma is ultraviolet (UV) radiation, and thus it often arises from highly sun-exposed skin areas and is characterized by a high mutational burden. In addition to melanoma-associated mutations such as BRAF, NRAS, PTEN and cell cycle regulators, the expansion of melanoma is affected by the extracellular matrix surrounding the tumor together with immune cells. In the early phases of the disease, hyaluronan is the major matrix component in cutaneous melanoma microenvironment. It is a high-molecular weight polysaccharide involved in several physiological and pathological processes. Hyaluronan is involved in the inflammatory reactions associated with UV radiation but its role in melanomagenesis is still unclear. Although abundant hyaluronan surrounds epidermal and dermal cells in normal skin and benign nevi, its content is further elevated in dysplastic lesions and local tumors. At this stage hyaluronan matrix may act as a protective barrier against melanoma progression, or alternatively against immune cell attack. While in advanced melanoma, the content of hyaluronan decreases due to altered synthesis and degradation, and this correlates with poor prognosis. This review focuses on hyaluronan matrix in cutaneous melanoma and how the changes in hyaluronan metabolism affect the progression of melanoma.
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Affiliation(s)
- Piia Takabe
- Institute of Biomedicine, University of Eastern Finland, Kuopio, Finland
| | - Hanna Siiskonen
- Department of Clinical Pathology, Kuopio University Hospital, Kuopio, Finland
| | - Aino Rönkä
- Department of Oncology, Kuopio University Hospital, Kuopio, Finland
| | - Kirsi Kainulainen
- Institute of Biomedicine, University of Eastern Finland, Kuopio, Finland
| | - Sanna Pasonen-Seppänen
- Institute of Biomedicine, University of Eastern Finland, Kuopio, Finland
- *Correspondence: Sanna Pasonen-Seppänen,
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14
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Šínová R, Pavlík V, Ondrej M, Velebný V, Nešporová K. Hyaluronan: A key player or just a bystander in skin photoaging? Exp Dermatol 2021; 31:442-458. [PMID: 34726319 DOI: 10.1111/exd.14491] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2021] [Revised: 10/07/2021] [Accepted: 10/29/2021] [Indexed: 02/06/2023]
Abstract
Photoaged skin exhibits signs of inflammation, DNA damage and changes in morphology that are visible at the macroscopic and microscopic levels. Photoaging also affects the extracellular matrix (ECM) including hyaluronan (HA), the main polysaccharide component thereof. HA is a structurally simple but biologically complex molecule that serves as a water-retaining component and provides both a scaffold for a number of the proteins of the ECM and the ligand for cellular receptors. The study provides an overview of the literature concerning the changes in HA amount, size and metabolism, and the potential role of HA in photoaging. We also suggest novel HA contributions to photoaging based on our knowledge of the role of HA in other pathological processes, including the senescence and inflammation-triggered ECM reorganization. Moreover, we discuss potential direct or indirect intervention to mitigate photoaging that targets the hyaluronan metabolism, as well as supplementation.
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Affiliation(s)
- Romana Šínová
- Contipro a.s., Dolní Dobrouč, Czech Republic.,Institute of Experimental Biology, Faculty of Science, Masaryk University, Brno, Czech Republic
| | - Vojtěch Pavlík
- Contipro a.s., Dolní Dobrouč, Czech Republic.,Third Faculty of Medicine, Charles University, Prague, Czech Republic
| | - Martin Ondrej
- Contipro a.s., Dolní Dobrouč, Czech Republic.,Department of Radiobiology, Faculty of Military Health Sciences, University of Defense in Brno, Hradec Kralove, Czech Republic
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15
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Wang P, Yan G, Xue H, Shen S, Cao Y, Zhang G, Wang X. Proteomics and lipidomics reveal the protective mechanism of dietary n-3 PUFA supplementation for photoaging. Food Funct 2021; 12:7883-7896. [PMID: 34241612 DOI: 10.1039/d0fo03228j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Chronic ultraviolet radiation exposure could induce photoaging, and even carcinogenesis. Dietary omega-3 polyunsaturated fatty acid (n-3 PUFA) supplementation has proved to alleviate photoaging and cutaneous carcinoma. Although the exact mechanism remains poorly elucidated, accumulated evidence suggests that the alleviation effect of n-3 PUFA for photoaging is a multifactorial procession characterized by different pathways. Here, we performed a whole-genome proteomics and lipidomics analyses using a self-constructed photoaging mouse model with n-3 PUFA or n-6 PUFA supplementation. Significant alleviation of photoaging was observed, and a total of 88 differentially expressed proteins and 152 differentially expressed lipids were identified in mice with n-3 PUFA supplementation. We found that n-3 PUFA may alleviate photoaging by upregulating Hmmr (hyaluronic acid receptor) expression, which can decrease Mmp9 expression, reducing collagen degradation. As most proteins were associated with lipogenesis and lipid metabolism, we further analyzed the lipidomics data, finding that most triglycerides (93%) showed a significant increase in the n-3 PUFA supplementation group. Our proteomics and lipidomics results indicate that the protective mechanism of n-3 PUFA for photoaging is complicated. Furthermore, the effect of elevated triglycerides by n-3 PUFA supplementation in counteracting skin photoaging cannot be ignored, which will become a new prime target in anti-photoaging.
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Affiliation(s)
- Peiru Wang
- Institute of Photomedicine, Shanghai Skin Disease Hospital, School of Medicine, Tongji University, Shanghai, 200443, China.
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16
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Montero A, Atienza C, Elvira C, Jorcano JL, Velasco D. Hyaluronic acid-fibrin hydrogels show improved mechanical stability in dermo-epidermal skin substitutes. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2021; 128:112352. [PMID: 34474900 DOI: 10.1016/j.msec.2021.112352] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/20/2021] [Revised: 07/15/2021] [Accepted: 07/29/2021] [Indexed: 12/16/2022]
Abstract
Human plasma-derived bilayered skin substitutes have been successfully used by our group in different skin tissue engineering applications. However, several issues associated with their poor mechanical properties were observed, and they often resulted in rapid contraction and degradation. In this sense, hydrogels composed of plasma-derived fibrin and thiolated-hyaluronic acid (HA-SH, 0.05-0.2% w/v) crosslinked with poly(ethylene glycol) diacrylate (PEGDA, 2:1, 6:1, 10:1 and 14:1 mol of thiol to moles of acrylate) were developed to reduce the shrinking rates and enhance the mechanical properties of the plasma-derived matrices. Plasma/HA-SH-PEGDA hydrogels showed a decrease in the contraction behaviour ranging from 5% to 25% and an increase in Young's modulus. Furthermore, the results showed that a minimal amount of the added HA-SH was able to escape the plasma/HA-SH-PEGDA hydrogels after incubation in PBS. The results showed that the increase in rigidity of the matrices as well as the absence of adhesion cellular moieties in the second network of HA-SH/PEGDA, resulted in a decrease in contraction in the presence of the encapsulated primary human fibroblasts (hFBs), which may have been related to an overall decrease in proliferation of hFBs found for all hydrogels after 7 days with respect to the plasma control. The metabolic activity of hFB returned to the control levels at 14 days except for the 2:1 PEGDA crosslinking ratio. The metabolic activity of primary human keratinocytes (hKCs) seeded on the hydrogels showed a decrease when high amounts of HA-SH and PEGDA crosslinker were incorporated. Organotypic skins formed in vitro after 21 days with plasma/HA-SH-PEGDA hydrogels with an HA content of 0.05% w/v and a 2:1 crosslinking ratio were up to three times thicker than the plasma controls, evidencing a reduction in contraction, while they also showed better and more homogeneous keratin 10 (K10) expression in the supra-basal layer of the epidermis. Furthermore, filaggrin expression showed the formation of an enhanced stratum corneum for the constructs containing HA. These promising results indicate the potential of using these biomimetic hydrogels as in vitro skin models for pharmaceutical products and cosmetics and future work will elucidate their potential functionality for clinical treatment.
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Affiliation(s)
- Andrés Montero
- Department of Bioengineering and Aerospace Engineering, Universidad Carlos III de Madrid (UC3M), Spain
| | - Clara Atienza
- Department of Bioengineering and Aerospace Engineering, Universidad Carlos III de Madrid (UC3M), Spain
| | - Carlos Elvira
- Institute of Polymer Science and Technology, CSIC, Juan de la Cierva 3, Madrid 28006, Spain
| | - José Luis Jorcano
- Department of Bioengineering and Aerospace Engineering, Universidad Carlos III de Madrid (UC3M), Spain; Instituto de Investigación Sanitaria Gregorio Marañón, Madrid, Spain.
| | - Diego Velasco
- Department of Bioengineering and Aerospace Engineering, Universidad Carlos III de Madrid (UC3M), Spain; Instituto de Investigación Sanitaria Gregorio Marañón, Madrid, Spain.
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17
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Abied A, Ahbara AM, Berihulay H, Xu L, Islam R, El-Hag FM, Rekik M, Haile A, Han JL, Ma Y, Zhao Q, Mwacharo JM. Genome Divergence and Dynamics in the Thin-Tailed Desert Sheep From Sudan. Front Genet 2021; 12:659507. [PMID: 34349777 PMCID: PMC8327097 DOI: 10.3389/fgene.2021.659507] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2021] [Accepted: 06/25/2021] [Indexed: 12/14/2022] Open
Abstract
With climate change bound to affect food and feed production, emphasis will shift to resilient and adapted indigenous livestock to sustain animal production. However, indigenous livestock comprise several varieties, strains and ecotypes whose genomes are poorly characterized. Here, we investigated genomic variation in an African thin-tailed Desert Sheep sampled in Sudan, using 600K genotype data generated from 92 individuals representing five ecotypes. We included data from 18 fat-tailed and 45 thin-tailed sheep from China, to investigate shared ancestry and perform comparative genomic analysis. We observed a clear genomic differentiation between the African thin-tailed Desert Sheep and the Chinese thin-tailed and fat-tailed sheep, suggesting a broad genetic structure between the fat-tailed and thin-tailed sheep in general, and that at least two autosomal gene pools comprise the genome profile of the thin-tailed sheep. Further analysis detected two distinct genetic clusters in both the African thin-tailed Desert Sheep and the Chinese thin-tailed sheep, suggesting a fine-scale and complex genome architecture in thin-tailed sheep. Selection signature analysis suggested differences in adaptation, production, reproduction and morphology likely underly the fine-scale genetic structure in the African thin-tailed Desert Sheep. This may need to be considered in designing breeding programs and genome-wide association studies.
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Affiliation(s)
- Adam Abied
- Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing, China.,Dry Land Research Centre and Animal Production, Agricultural Research Corporation, Khartoum, Sudan
| | - Abulgasim M Ahbara
- Small Ruminant Genomics, International Center for Agricultural Research in the Dry Areas (ICARDA), Addis Ababa, Ethiopia
| | - Haile Berihulay
- Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Lingyang Xu
- Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Rabiul Islam
- Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Faisal M El-Hag
- Dry Land Research Centre and Animal Production, Agricultural Research Corporation, Khartoum, Sudan.,Arid Land Research Centre, Tottori University, Tottori, Japan
| | - Mourad Rekik
- International Center for Agricultural Research in the Dry Areas (ICARDA), Amman, Jordan
| | - Aynalem Haile
- Small Ruminant Genomics, International Center for Agricultural Research in the Dry Areas (ICARDA), Addis Ababa, Ethiopia
| | - Jian-Lin Han
- CAAS-ILRI Joint Laboratory on Livestock and Forage Genetic Resources, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing, China.,Livestock Genetics Program, International Livestock Research Institute, Nairobi, Kenya
| | - Yuehui Ma
- Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Qianjun Zhao
- Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Joram M Mwacharo
- Small Ruminant Genomics, International Center for Agricultural Research in the Dry Areas (ICARDA), Addis Ababa, Ethiopia.,Animal and Veterinary Sciences, Scotland Rural College and Centre for Tropical Livestock Genetics and Health (CTLGH), Roslin Institute, Midlothian, United Kingdom
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18
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Kida D, Zakrzewska A, Zborowski J, Szulc M, Karolewicz B. Polymer-Based Carriers in Dental Local Healing-Review and Future Challenges. MATERIALS 2021; 14:ma14143948. [PMID: 34300865 PMCID: PMC8308048 DOI: 10.3390/ma14143948] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/28/2021] [Revised: 07/01/2021] [Accepted: 07/08/2021] [Indexed: 02/01/2023]
Abstract
Polymers in drug formulation technology and the engineering of biomaterials for the treatment of oral diseases constitute a group of excipients that often possess additional properties in addition to their primary function, i.e., biological activity, sensitivity to stimuli, mucoadhesive properties, improved penetration of the active pharmaceutical ingredient (API) across biological barriers, and effects on wound healing or gingival and bone tissue regeneration. Through the use of multifunctional polymers, it has become possible to design carriers and materials tailored to the specific conditions and site of application, to deliver the active substance directly to the affected tissue, including intra-periodontal pocket delivery, and to release the active substance in a timed manner, allowing for the improvement of the form of application and further development of therapeutic strategies. The scope of this review is polymeric drug carriers and materials developed from selected multifunctional groups of natural, semi-synthetic, and synthetic polymers for topical therapeutic applications. Moreover, the characteristics of the topical application and the needs for the properties of carriers for topical administration of an active substance in the treatment of oral diseases are presented to more understand the difficulties associated with the design of optimal active substance carriers and materials for the treatment of lesions located in the oral cavity.
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Affiliation(s)
- Dorota Kida
- Department of Drug Form Technology, Wroclaw Medical University, Borowska 211 A, 50-556 Wroclaw, Poland;
- Correspondence: ; Tel.: +48-71-784-0315
| | - Aneta Zakrzewska
- Department of Periodontology, Wroclaw Medical University, Krakowska 26, 50-425 Wroclaw, Poland; (A.Z.); (J.Z.); (M.S.)
| | - Jacek Zborowski
- Department of Periodontology, Wroclaw Medical University, Krakowska 26, 50-425 Wroclaw, Poland; (A.Z.); (J.Z.); (M.S.)
| | - Małgorzata Szulc
- Department of Periodontology, Wroclaw Medical University, Krakowska 26, 50-425 Wroclaw, Poland; (A.Z.); (J.Z.); (M.S.)
| | - Bożena Karolewicz
- Department of Drug Form Technology, Wroclaw Medical University, Borowska 211 A, 50-556 Wroclaw, Poland;
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19
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Domaszewska-Szostek A, Puzianowska-Kuźnicka M, Kuryłowicz A. Flavonoids in Skin Senescence Prevention and Treatment. Int J Mol Sci 2021; 22:ijms22136814. [PMID: 34201952 PMCID: PMC8267725 DOI: 10.3390/ijms22136814] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Revised: 06/19/2021] [Accepted: 06/21/2021] [Indexed: 02/06/2023] Open
Abstract
Skin aging is associated with the accumulation of senescent cells and is related to many pathological changes, including decreased protection against pathogens, increased susceptibility to irritation, delayed wound healing, and increased cancer susceptibility. Senescent cells secrete a specific set of pro-inflammatory mediators, referred to as a senescence-associated secretory phenotype (SASP), which can cause profound changes in tissue structure and function. Thus, drugs that selectively eliminate senescent cells (senolytics) or neutralize SASP (senostatics) represent an attractive therapeutic strategy for age-associated skin deterioration. There is growing evidence that plant-derived compounds (flavonoids) can slow down or even prevent aging-associated deterioration of skin appearance and function by targeting cellular pathways crucial for regulating cellular senescence and SASP. This review summarizes the senostatic and senolytic potential of flavonoids in the context of preventing skin aging.
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Affiliation(s)
- Anna Domaszewska-Szostek
- Department of Human Epigenetics, Mossakowski Medical Research Centre PAS, 02-106 Warsaw, Poland;
- Correspondence: (A.D.-S.); (A.K.); Tel.: +48-2260-86401 (A.K.); Fax: +48-2260-86410 (A.K.)
| | - Monika Puzianowska-Kuźnicka
- Department of Human Epigenetics, Mossakowski Medical Research Centre PAS, 02-106 Warsaw, Poland;
- Department of Geriatrics and Gerontology, Medical Centre of Postgraduate Education, 01-826 Warsaw, Poland
| | - Alina Kuryłowicz
- Department of Human Epigenetics, Mossakowski Medical Research Centre PAS, 02-106 Warsaw, Poland;
- Correspondence: (A.D.-S.); (A.K.); Tel.: +48-2260-86401 (A.K.); Fax: +48-2260-86410 (A.K.)
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20
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Dietary Collagen Hydrolysates Ameliorate Furrowed and Parched Skin Caused by Photoaging in Hairless Mice. Int J Mol Sci 2021; 22:ijms22116137. [PMID: 34200222 PMCID: PMC8200955 DOI: 10.3390/ijms22116137] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2021] [Revised: 05/27/2021] [Accepted: 05/31/2021] [Indexed: 11/25/2022] Open
Abstract
Collagen hydrolysates have been suggested as a favorable antiaging modality in skin photoaged by persistent exposure to ultraviolet radiation (UV). The current study evaluated the beneficial effect of collagen hydrolysates (fsCH) extracted from Pangasius hypophthalmus fish skin on wrinkle formation and moisture preservation in dorsal skin of hairless mice challenged with UV-B. Inter-comparative experiments were conducted for anti-photoaging among fsCH, retinoic acid (RA), N-acetyl-D-glucosamine (NAG), and glycine-proline-hydroxyproline (GPH). Treating human HaCaT keratinocytes with 100−200 μg/mL fsCH reciprocally ameliorated the expression of aquaporin 3 (AQP3) and CD44 deranged by UV-B. The UV-B-induced deep furrows and skin thickening were improved in parched dorsal skin of mice supplemented with 206–412 mg/kg fsCH as well as RA and GPH. The UV-B irradiation enhanced collagen fiber loss in the dorsal dermis, which was attenuated by fsCH through enhancing procollagen conversion to collagen. The matrix metalloproteinase expression by UV-B in dorsal skin was diminished by fsCH, similar to RA and GPH, via blockade of collagen degradation. Supplementing fsCH to UV-B-irradiated mice decreased transepidermal water loss in dorsal skin with reduced AQP3 level and restored keratinocyte expression of filaggrin. The expression of hyaluronic acid synthase 2 and hyaluronidase 1 by UV-B was remarkably ameliorated with increased production of hyaluronic acid by treating fsCH to photoaged mice. Taken together, fsCH attenuated photoaging typical of deep wrinkles, epidermal thickening, and skin water loss, like NAG, RA, or GPH, through inhibiting collagen destruction and epidermal barrier impairment.
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21
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Krutmann J, Schalka S, Watson REB, Wei L, Morita A. Daily photoprotection to prevent photoaging. PHOTODERMATOLOGY PHOTOIMMUNOLOGY & PHOTOMEDICINE 2021; 37:482-489. [PMID: 33896049 DOI: 10.1111/phpp.12688] [Citation(s) in RCA: 32] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/07/2020] [Revised: 03/10/2021] [Accepted: 04/19/2021] [Indexed: 12/11/2022]
Abstract
BACKGROUND Extrinsic skin aging or photoaging was previously thought to be almost exclusively due to solar ultraviolet (UV) radiation. However, recent literature has described other contributing factors and clarification is thus required as to what extent and what type of daily photoprotection is needed to mitigate extrinsic skin aging. METHODS We reviewed the existing scientific evidence on daily photoprotection, and specific requirements at the product level, to prevent extrinsic skin aging. We critically reviewed the existing evidence on potential ecological and toxicological risks which might be associated with daily photoprotection. RESULTS Evidence shows that broad protection against the entire solar range of UVB, UVA, UVA1, visible light, and short infrared (IRA) is required to prevent extrinsic aging. Other exposome factors, such as air pollution and smoking, also contribute to skin aging. Daily broad-spectrum sunscreen photoprotection should thus contain antioxidant ingredients for additional benefits against UV, IRA, and pollution-induced oxidative stress as well as anti-aging active ingredients to provide clinical benefits against skin aging signs, such as wrinkles and dark spots. Broad-spectrum sunscreen containing pigments, such as iron oxide, may be required for melasma prevention. There is no conclusive clinical evidence that daily sunscreen use is unsafe or that it compromises vitamin D synthesis. CONCLUSION Daily use of broad-spectrum sunscreen containing antioxidant and anti-aging active ingredients can effectively reduce extrinsic aging.
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Affiliation(s)
- Jean Krutmann
- IUF Leibniz Research Institute for Environmental Medicine, Dusseldorf, Germany.,Medical faculty, Heinrich-Heine-University, Dusseldorf, Germany
| | - Sérgio Schalka
- Medcin Skin research Center and Biochemistry Department, Chemistry Institute of São Paulo University, São Paulo, Brazil
| | - Rachel Elizabeth Beatrice Watson
- Centre for Dermatology Research, The University of Manchester & Salford Royal NHS Foundation Trust, Salford, UK.,Manchester Institute for Collaborative Research on Ageing, University of Manchester, Manchester, UK.,NIHR Manchester Biomedical Research Centre, Manchester University NHS Foundation Trust, Manchester Academic Health Science Centre, Manchester, UK
| | - Liu Wei
- Department of Dermatology, The General Hospital of Air Force PLA, Beijing, China
| | - Akimichi Morita
- Department of Geriatric and Environmental Dermatology, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan
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22
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Kaul A, Short WD, Wang X, Keswani SG. Hyaluronidases in Human Diseases. Int J Mol Sci 2021; 22:ijms22063204. [PMID: 33809827 PMCID: PMC8004219 DOI: 10.3390/ijms22063204] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2021] [Revised: 03/18/2021] [Accepted: 03/18/2021] [Indexed: 12/28/2022] Open
Abstract
With the burgeoning interest in hyaluronic acid (HA) in recent years, hyaluronidases (HYALs) have come to light for their role in regulating catabolism of HA and its molecular weight (MW) distribution in various tissues. Of the six hyaluronidase-like gene sequences in the human genome, HYALs 1 and 2 are of particular significance because they are the primary hyaluronidases active in human somatic tissue. Perhaps more importantly, for the sake of this review, they cleave anti-inflammatory and anti-fibrotic high-molecular-weight HA into pro-inflammatory and pro-fibrotic oligosaccharides. With this, HYALs regulate HA degradation and thus the development and progression of various diseases. Given the dearth of literature focusing specifically on HYALs in the past decade, this review seeks to expound their role in human diseases of the skin, heart, kidneys, and more. The review will delve into the molecular mechanisms and pathways of HYALs and discuss current and potential future therapeutic benefits of HYALs as a clinical treatment.
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Affiliation(s)
- Aditya Kaul
- Laboratory for Regenerative Tissue Repair, Division of Pediatric Surgery, Department of Surgery, Texas Children’s Hospital, Houston, TX 77030, USA; (A.K.); (W.D.S.)
- Department of Surgery, Baylor College of Medicine, Houston, TX 77030, USA
| | - Walker D. Short
- Laboratory for Regenerative Tissue Repair, Division of Pediatric Surgery, Department of Surgery, Texas Children’s Hospital, Houston, TX 77030, USA; (A.K.); (W.D.S.)
- Department of Surgery, Baylor College of Medicine, Houston, TX 77030, USA
| | - Xinyi Wang
- Laboratory for Regenerative Tissue Repair, Division of Pediatric Surgery, Department of Surgery, Texas Children’s Hospital, Houston, TX 77030, USA; (A.K.); (W.D.S.)
- Department of Surgery, Baylor College of Medicine, Houston, TX 77030, USA
- Correspondence: (X.W.); (S.G.K.); Tel.: +832-824-0469 (X.W.); +832-822-3135 (S.G.K.); Fax: +832-825-3141 (X.W.); +832-825-3141 (S.G.K.)
| | - Sundeep G. Keswani
- Laboratory for Regenerative Tissue Repair, Division of Pediatric Surgery, Department of Surgery, Texas Children’s Hospital, Houston, TX 77030, USA; (A.K.); (W.D.S.)
- Department of Surgery, Baylor College of Medicine, Houston, TX 77030, USA
- Correspondence: (X.W.); (S.G.K.); Tel.: +832-824-0469 (X.W.); +832-822-3135 (S.G.K.); Fax: +832-825-3141 (X.W.); +832-825-3141 (S.G.K.)
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23
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Gendrisch F, Esser PR, Schempp CM, Wölfle U. Luteolin as a modulator of skin aging and inflammation. Biofactors 2021; 47:170-180. [PMID: 33368702 DOI: 10.1002/biof.1699] [Citation(s) in RCA: 131] [Impact Index Per Article: 43.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/05/2020] [Accepted: 12/02/2020] [Indexed: 12/13/2022]
Abstract
Luteolin belongs to the group of flavonoids and can be found in flowers, herbs, vegetables and spices. It plays an important role in defending plants, for example against UV radiation by partially absorbing UVA and UVB radiation. Thus, luteolin can also decrease adverse photobiological effects in the skin by acting as a first line of defense. Furthermore, anti-oxidative and anti-inflammatory activities of luteolin were described on keratinocytes and fibroblasts as well as on several immune cells (e.g., macrophages, mast cell, neutrophils, dendritic cells and T cells). Luteolin can suppress proinflammatory mediators (e.g., IL-1β, IL-6, IL-8, IL-17, IL-22, TNF-α and COX-2) and regulate various signaling pathway (e.g., the NF-κB, JAK-STAT as well as TLR signaling pathway). In this way, luteolin modulates many inflammatory processes of the skin. The present review summarizes the recent in vitro and in vivo research on luteolin in the field of skin aging and skin cancer, wound healing as well as inflammatory skin diseases, including psoriasis, contact dermatitis and atopic dermatitis. In conclusion, luteolin might be a promising molecule for the development of topic formulations and systemic agents against inflammatory skin diseases.
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Affiliation(s)
- Fabian Gendrisch
- Research Center Skinitial, Department of Dermatology, Medical Center, University of Freiburg, Freiburg, Germany
| | - Philipp R Esser
- Allergy Research Group, Department of Dermatology, Medical Center, University of Freiburg, Freiburg, Germany
| | - Christoph M Schempp
- Research Center Skinitial, Department of Dermatology, Medical Center, University of Freiburg, Freiburg, Germany
| | - Ute Wölfle
- Research Center Skinitial, Department of Dermatology, Medical Center, University of Freiburg, Freiburg, Germany
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Terazawa S, Takada M, Sato Y, Nakajima H, Imokawa G. The Attenuated Secretion of Hyaluronan by UVA-Exposed Human Fibroblasts Is Associated with Up- and Downregulation of HYBID and HAS2 Expression via Activated and Inactivated Signaling of the p38/ATF2 and JAK2/STAT3 Cascades. Int J Mol Sci 2021; 22:ijms22042057. [PMID: 33669634 PMCID: PMC7922819 DOI: 10.3390/ijms22042057] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2020] [Revised: 02/09/2021] [Accepted: 02/16/2021] [Indexed: 01/12/2023] Open
Abstract
Little is known about the effects on hyaluronan (HA) metabolism of UVA radiation. This study demonstrates that the secretion of HA by human dermal fibroblasts (HDFs) is downregulated by UVA, accompanied by the down- and upregulation of mRNA and protein levels of the HA-synthesizing enzyme (HAS2) and the HA-degrading protein, HYaluronan Binding protein Involved in HA Depolymerization(HYBID), respectively. Signaling analysis revealed that the exposure distinctly elicits activation of the p38/MSK1/CREB/c-Fos/AP-1 axis, the JNK/c-Jun axis, and the p38/ATF-2 axis, but downregulates the phosphorylation of NF-kB and JAK/STAT3. A signal inhibition study demonstrated that the inhibition of p38 significantly abrogates the UVA-accentuated mRNA level of HYBID. Furthermore, the inhibition of STAT3 significantly downregulates the level of HAS2 mRNA in non-UVA exposed HDFs. Analysis using siRNAs demonstrated that transfection of ATF-2 siRNA but not c-Fos siRNA abrogates the increased protein level of HYBID in UVA-exposed HDFs. An inhibitor of protein tyrosine phosphatase but not of protein serine/threonine phosphatase restored the diminished phosphorylation level of STAT3 at Tyr 705, accompanied by a significant abolishing effect on the decreased mRNA expression level of HAS2. Silencing with a protein tyrosine phosphatase PTP-Meg2 siRNA revealed that it abrogates the decreased phosphorylation of STAT3 at Tyr 705 in UVA-exposed HDFs. These findings suggest that the UVA-induced decrease in HA secretion by HDFs is attributable to the down- and upregulation of HAS2 and HYBID expression, respectively, changes that are mainly ascribed to the inactivated signaling of the STAT3 axis due to the activated tyrosine protein phosphatase PTP-Meg2 and the activated signaling of the p38/ATF2 axis, respectively.
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Affiliation(s)
- Shuko Terazawa
- Center for Bioscience Research & Education, Utsunomiya University, Tochigi 321-8505, Japan; (S.T.); (M.T.); (Y.S.)
| | - Mariko Takada
- Center for Bioscience Research & Education, Utsunomiya University, Tochigi 321-8505, Japan; (S.T.); (M.T.); (Y.S.)
| | - Yoriko Sato
- Center for Bioscience Research & Education, Utsunomiya University, Tochigi 321-8505, Japan; (S.T.); (M.T.); (Y.S.)
| | - Hiroaki Nakajima
- School of Bioscience and Biotechnology, Tokyo University of Technology, Tokyo 192-0982, Japan;
| | - Genji Imokawa
- Center for Bioscience Research & Education, Utsunomiya University, Tochigi 321-8505, Japan; (S.T.); (M.T.); (Y.S.)
- Correspondence: ; Tel.: +81-28-649-5282
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Cabreira CL, Fulginiti RL, Sesterheim P, Shinkai RSA, Teixeira ER. Effect of hyaluronic acid on paracrine signaling of osteoblasts from mesenchymal stromal cells: potential impact on bone regeneration. Clin Oral Investig 2021; 25:4571-4578. [PMID: 33410999 DOI: 10.1007/s00784-020-03771-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2020] [Accepted: 12/30/2020] [Indexed: 12/12/2022]
Abstract
OBJECTIVES This study evaluated hyaluronic acids (HA) with different molecular weights as potential matrices for tissue-engineered bone grafting and their possible influence on the paracrine mechanisms of adipose-derived mesenchymal stromal cells. MATERIAL AND METHODS Murine adipose mesenchymal stromal cells (mASCs) on the fourth passage were seeded in 96-well plates, osteoinduced for 27 days and exposed for 3 days to low (HA-LW) and high/low molecular weight (HA-HLW) at previously defined concentrations. Cytokines IGF-1, VEGF, FGF-2, and BMP-2 were evaluated by quantification in the supernatant. RESULTS Greater expression of growth factors was observed in groups with HA-HLW compared to HA-LW. Results indicated that differentiated cells secreted fewer cytokines, namely VEGF, FGF, and BMP-2 than undifferentiated mASCs (p < 0.05). IGF-1 showed its greatest expression in the mASC HA-LW group (p < 0.05). CONCLUSIONS The application of HA-HLW as cell matrix in tissue engineering did not compromise mASC paracrine effect. Also, the association of HA-HLW matrix and mASCs resulted in greater expression of osteogenic growth factors. Longer periods of cell differentiation seemed to negatively affect their capacity for local paracrine stimulation. CLINICAL RELEVANCE The use of HA-HLW as matrix for undifferentiated ASCs can be positive for bone regeneration, favoring its application as cell matrix in bone grafting procedures.
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Affiliation(s)
- Carina Lantmann Cabreira
- School of Health and Life Sciences, Pontifical Catholic University of Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - Roberta Limeira Fulginiti
- School of Health and Life Sciences, Pontifical Catholic University of Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - Patricia Sesterheim
- Experimental Cardiology Center, Institute of Cardiology of Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - Rosemary Sadami Arai Shinkai
- School of Health and Life Sciences, Pontifical Catholic University of Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - Eduardo Rolim Teixeira
- School of Health and Life Sciences, Pontifical Catholic University of Rio Grande do Sul, Porto Alegre, RS, Brazil.
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Song C, Jeong D, Hong YH, Li WY, Lee SW, Hossain MA, Taamalli A, Kim JH, Kim JH, Cho JY. Anti-Inflammatory and Photoaging-Protective Effects of Olea europaea through Inhibition of AP-1 and NF-[Formula: see text] B Pathways. THE AMERICAN JOURNAL OF CHINESE MEDICINE 2020; 48:1895-1913. [PMID: 33308098 DOI: 10.1142/s0192415x20500950] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Olea europaea is a beneficial edible plant with a number of biological activities like anti-inflammatory, anti-oxidant, antithrombic, antihyperglycemic, and anti-ischemic activities. The mechanisms behind the antiphotoaging and anti-inflammatory effects of Olea europaea are not fully understood. To investigate how an ethanol extract of Olea europaea (Oe-EE) exerts these effects, we explored its activities in human keratinocytes and dermal fibroblasts. We assessed the anti-oxidant effects of Oe-EE via 2,2-diphenyl-1-picrylhydrazyl (DPPH) and 2,2[Formula: see text]-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid) diammonium salt (ABTS) assays and measured the expression levels of matrix metalloproteinases (MMPs), cyclooxygenase-2, interleukin (IL)-6, tumor necrosis factor (TNF)-[Formula: see text], and moisturizing factors. Antiphotoaging and anti-inflammatory mechanisms of Oe-EE were explored by assessing signaling molecule activation via immunoblotting. Oe-EE treatment decreased the mRNA expression level of MMPs, cyclooxygenase-2, IL-6, and TNF-[Formula: see text] and restored type I collagen, filaggrin, and sirtuin 1 expression in UVB-irradiated cells. Furthermore, Oe-EE inhibited the activities of several activator protein 1 regulatory enzymes, including extracellular signal-regulated kinase (ERK), p38, and c-Jun N-terminal kinase (JNK), and inhibited nuclear factor (NF)-[Formula: see text]B pathway signaling proteins. Therefore, our results indicate that Oe-EE has photoaging-protective and anti-inflammatory effects.
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Affiliation(s)
- Chaoran Song
- Department of Integrative Biotechnology and Biomedical Institute for Convergence at SKKU (BICS), Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Deok Jeong
- Department of Integrative Biotechnology and Biomedical Institute for Convergence at SKKU (BICS), Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Yo Han Hong
- Department of Integrative Biotechnology and Biomedical Institute for Convergence at SKKU (BICS), Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Wan Yi Li
- Institute of Medicinal Plants, Yunnan Academy of Agricultural Sciences, Yunnan 650205, P. R. China
| | - Sang Woo Lee
- International Biological Material Research Center, Korea Research Institute of Bioscience and Biotechnology, Daejeon 34141 Republic of Korea
| | - Mohammad Amjad Hossain
- College of Veterinary Medicine, Chonbuk National University, Iksan 54596, Republic of Korea
| | - Amani Taamalli
- Laboratory of Olive Biotechnology, Center of Biotechnology-Technopole of Borj-Cedria, BP 901, Hammam-Lif 2050, Tunisia.,Department of Chemistry, University of Hafr Al Batin, Hafr Al Batin 31991, Kingdom of Saudi Arabia
| | - Ji Hye Kim
- Department of Integrative Biotechnology and Biomedical Institute for Convergence at SKKU (BICS), Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Jong-Hoon Kim
- International Biological Material Research Center, Korea Research Institute of Bioscience and Biotechnology, Daejeon 34141 Republic of Korea
| | - Jae Youl Cho
- Department of Integrative Biotechnology and Biomedical Institute for Convergence at SKKU (BICS), Sungkyunkwan University, Suwon 16419, Republic of Korea
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27
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Buhren BA, Schrumpf H, Gorges K, Reiners O, Bölke E, Fischer JW, Homey B, Gerber PA. Dose- and time-dependent effects of hyaluronidase on structural cells and the extracellular matrix of the skin. Eur J Med Res 2020; 25:60. [PMID: 33228813 PMCID: PMC7686775 DOI: 10.1186/s40001-020-00460-z] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2020] [Accepted: 11/12/2020] [Indexed: 12/13/2022] Open
Abstract
Introduction Hyaluronic acid (hyaluronan; HA) is an essential component of the extracellular matrix (ECM) of the skin. The HA-degrading enzyme hyaluronidase (HYAL) is critically involved in the HA-metabolism. Yet, only little information is available regarding the skin’s HA–HYAL interactions on the molecular and cellular levels. Objective To analyze the dose- and time-dependent molecular and cellular effects of HYAL on structural cells and the HA-metabolism in the skin. Materials and methods Chip-based, genome-wide expression analyses (Affymetrix® GeneChip PrimeView™ Human Gene Expression Array), quantitative real-time PCR analyses, enzyme-linked immunosorbent assay (ELISA), immunohistochemistry (DAB), and in vitro wound healing assays were performed to assess dose-dependent and time-kinetic effects of HA and HYAL (bovine hyaluronidase, Hylase “Dessau”) on normal human dermal fibroblasts (NHDF), primary human keratinocytes in vitro and human skin samples ex vivo. Results Genome-wide expression analyses revealed an upregulation of HA synthases (HAS) up to 1.8-fold change in HA- and HYAL-treated NHDF. HA and HYAL significantly accelerated wound closure in an in vitro model for cutaneous wound healing. HYAL induced HAS1 and HAS2 mRNA gene expression in NHDF. Interestingly, low concentrations of HYAL (0.015 U/ml) resulted in a significantly higher induction of HAS compared to moderate (0.15 and 1.5 U/ml) and high concentrations (15 U/ml) of HYAL. This observation corresponded to increased concentrations of HA measured by ELISA in conditioned supernatants of HYAL-treated NHDF with the highest concentrations observed for 0.015 U/ml of HYAL. Finally, immunohistochemical analysis of human skin samples incubated with HYAL for up to 48 h ex vivo demonstrated that low concentrations of HYAL (0.015 U/ml) led to a pronounced accumulation of HA, whereas high concentrations of HYAL (15 U/ml) reduced dermal HA-levels. Conclusion HYAL is a bioactive enzyme that exerts multiple effects on the HA-metabolism as well as on the structural cells of the skin. Our results indicate that HYAL promotes wound healing and exerts a dose-dependent induction of HA-synthesis in structural cells of the skin. Herein, interestingly the most significant induction of HAS and HA were observed for the lowest concentration of HYAL.
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Affiliation(s)
| | - Holger Schrumpf
- Department of Dermatology, University Hospital Duesseldorf, Duesseldorf, Germany
| | - Katharina Gorges
- Department of Pharmacology, University Hospital Duesseldorf, Duesseldorf, Germany
| | - Oliver Reiners
- Department of Pharmacology, University Hospital Duesseldorf, Duesseldorf, Germany
| | - Edwin Bölke
- Department of Radiation Oncology, Medical Faculty, University Hospital Duesseldorf, Duesseldorf, Germany
| | - Jens W Fischer
- Department of Pharmacology, University Hospital Duesseldorf, Duesseldorf, Germany
| | - Bernhard Homey
- Department of Dermatology, University Hospital Duesseldorf, Duesseldorf, Germany
| | - Peter Arne Gerber
- Department of Dermatology, University Hospital Duesseldorf, Duesseldorf, Germany. .,Dermatologie am Luegplatz, Duesseldorf, Germany.
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28
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Skin Protective Activity of LactoSporin-the Extracellular Metabolite from Bacillus Coagulans MTCC 5856. COSMETICS 2020. [DOI: 10.3390/cosmetics7040076] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Abstract
Background: Probiotics and their products are increasingly used in skincare in recent years. Postbiotics are defined as any substance derived through the metabolic activity of a probiotic microorganism, which exerts a direct or indirect beneficial effect on the host. The extracellular metabolites of probiotic bacteria have antimicrobial activities, protect against acne, and improve skin condition. We studied skin protective activities of the extracellular metabolite (LactoSporin) of a spore-forming probiotic Bacillus coagulans MTCC 5856 in vitro. Methods: LactoSporin was evaluated for antioxidant activity by free radical scavenging activity and reactive oxygen quenching activity in human dermal fibroblast cells. Protection of fibroblasts from UV-induced apoptosis and cell death was studied by flow cytometry and neutral red uptake assays. Enzyme inhibition assays were carried out for collagenase, Elastase, and Hyaluronidase. Gene expression studies were carried out using polymerase chain reaction. Results: LactoSporin showed antioxidant activity and was found to protect skin cells from UV-induced apoptosis and cell death. LactoSporin inhibited collagenase, elastase, and hyaluronidase activity and upregulated the expression of hyaluronan synthase, transforming growth factor and epidermal growth factor, which are associated with extracellular matrix integrity. Conclusions: These results suggest LactoSporin is a skin protective postbiotic with wide application in cosmetic formulations.
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29
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Wang Y, Hu L, Huang H, Wang H, Zhang T, Chen J, Du G, Kang Z. Eliminating the capsule-like layer to promote glucose uptake for hyaluronan production by engineered Corynebacterium glutamicum. Nat Commun 2020; 11:3120. [PMID: 32561727 PMCID: PMC7305114 DOI: 10.1038/s41467-020-16962-7] [Citation(s) in RCA: 39] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2019] [Accepted: 06/01/2020] [Indexed: 02/06/2023] Open
Abstract
Hyaluronan is widely used in cosmetics and pharmaceutics. Development of robust and safe cell factories and cultivation approaches to efficiently produce hyaluronan is of many interests. Here, we describe the metabolic engineering of Corynebacterium glutamicum and application of a fermentation strategy to manufacture hyaluronan with different molecular weights. C. glutamicum is engineered by combinatorial overexpression of type I hyaluronan synthase, enzymes of intermediate metabolic pathways and attenuation of extracellular polysaccharide biosynthesis. The engineered strain produces 34.2 g L−1 hyaluronan in fed-batch cultures. We find secreted hyaluronan encapsulates C. glutamicum, changes its cell morphology and inhibits metabolism. Disruption of the encapsulation with leech hyaluronidase restores metabolism and leads to hyper hyaluronan productions of 74.1 g L−1. Meanwhile, the molecular weight of hyaluronan is also highly tunable. These results demonstrate combinatorial optimization of cell factories and the extracellular environment is efficacious and likely applicable for the production of other biopolymers. Bioproduction of hyaluronan needs increases in yield and greater diversity of the molecular weights. Here, the author increases hyaluronan production and diversifies the molecular weights through engineering the hyaluronan biosynthesis pathway and disruption of Corynebacterium glutamicum encapsulation caused by secreted hyaluronan.
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Affiliation(s)
- Yang Wang
- The Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, Jiangnan University, 214122, Wuxi, China.,The Key Laboratory of Industrial Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, 214122, Wuxi, China
| | - Litao Hu
- The Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, Jiangnan University, 214122, Wuxi, China.,The Key Laboratory of Industrial Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, 214122, Wuxi, China
| | - Hao Huang
- The Key Laboratory of Industrial Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, 214122, Wuxi, China
| | - Hao Wang
- The Key Laboratory of Industrial Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, 214122, Wuxi, China
| | | | - Jian Chen
- The Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, Jiangnan University, 214122, Wuxi, China.,The Key Laboratory of Industrial Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, 214122, Wuxi, China
| | - Guocheng Du
- The Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, Jiangnan University, 214122, Wuxi, China.,The Key Laboratory of Industrial Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, 214122, Wuxi, China
| | - Zhen Kang
- The Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, Jiangnan University, 214122, Wuxi, China. .,The Key Laboratory of Industrial Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, 214122, Wuxi, China.
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30
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Vasvani S, Kulkarni P, Rawtani D. Hyaluronic acid: A review on its biology, aspects of drug delivery, route of administrations and a special emphasis on its approved marketed products and recent clinical studies. Int J Biol Macromol 2020; 151:1012-1029. [DOI: 10.1016/j.ijbiomac.2019.11.066] [Citation(s) in RCA: 88] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2019] [Revised: 10/25/2019] [Accepted: 11/07/2019] [Indexed: 12/20/2022]
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31
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Bikle D, Christakos S. New aspects of vitamin D metabolism and action - addressing the skin as source and target. Nat Rev Endocrinol 2020; 16:234-252. [PMID: 32029884 DOI: 10.1038/s41574-019-0312-5] [Citation(s) in RCA: 158] [Impact Index Per Article: 39.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 12/12/2019] [Indexed: 12/19/2022]
Abstract
Vitamin D has a key role in stimulating calcium absorption from the gut and promoting skeletal health, as well as many other important physiological functions. Vitamin D is produced in the skin. It is subsequently metabolized to its hormonally active form, 1,25-dihydroxyvitamin D (1,25(OH)2D), by the 1-hydroxylase and catabolized by the 24-hydroxylase. In this Review, we pay special attention to the effect of mutations in these enzymes and their clinical manifestations. We then discuss the role of vitamin D binding protein in transporting vitamin D and its metabolites from their source to their targets, the free hormone hypothesis for cell entry and HSP70 for intracellular transport. This is followed by discussion of the vitamin D receptor (VDR) that mediates the cellular actions of 1,25(OH)2D. Cell-specific recruitment of co-regulatory complexes by liganded VDR leads to changes in gene expression that result in distinct physiological actions by 1,25(OH)2D, which are disrupted by mutations in the VDR. We then discuss the epidermis and hair follicle, to provide a non-skeletal example of a tissue that expresses VDR that not only makes vitamin D but also can metabolize it to its hormonally active form. This enables vitamin D to regulate epidermal differentiation and hair follicle cycling and, in so doing, to promote barrier function, wound healing and hair growth, while limiting cancer development.
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Affiliation(s)
- Daniel Bikle
- Departments of Medicine and Dermatology, University of California San Francisco, San Francisco, CA, USA.
- VA Medical Center, San Francisco, CA, USA.
| | - Sylvia Christakos
- Departments of Microbiology, Biochemistry and Molecular Genetics, New Jersey Medical School, Rutgers, the State University of New Jersey, Newark, NJ, USA
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32
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Hadisi Z, Farokhi M, Bakhsheshi-Rad HR, Jahanshahi M, Hasanpour S, Pagan E, Dolatshahi-Pirouz A, Zhang YS, Kundu SC, Akbari M. Hyaluronic Acid (HA)-Based Silk Fibroin/Zinc Oxide Core-Shell Electrospun Dressing for Burn Wound Management. Macromol Biosci 2020; 20:e1900328. [PMID: 32077252 DOI: 10.1002/mabi.201900328] [Citation(s) in RCA: 70] [Impact Index Per Article: 17.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2019] [Revised: 01/11/2020] [Indexed: 01/17/2023]
Abstract
Burn injuries represent a major life-threatening event that impacts the quality of life of patients, and places enormous demands on the global healthcare systems. This study introduces the fabrication and characterization of a novel wound dressing made of core-shell hyaluronic acid-silk fibroin/zinc oxide (ZO) nanofibers for treatment of burn injuries. The core-shell configuration enables loading ZO-an antibacterial agent-in the core of nanofibers, which in return improves the sustained release of the drug and maintains its bioactivity. Successful formation of core-shell nanofibers and loading of zinc oxide are confirmed by transmission electron microscopy, Fourier-transform infrared spectroscopy, and energy dispersive X-ray. The antibacterial activity of the dressings are examined against Escherichia coli and Staphylococcus aureus and it is shown that addition of ZO improves the antibacterial property of the dressing in a dose-dependent fashion. However, in vitro cytotoxicity studies show that high concentration of ZO (>3 wt%) is toxic to the cells. In vivo studies indicate that the wound dressings loaded with ZO (3 wt%) substantially improves the wound healing procedure and significantly reduces the inflammatory response at the wound site. Overall, the dressing introduced herein holds great promise for the management of burn injuries.
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Affiliation(s)
- Zhina Hadisi
- Laboratory for Innovations in Microengineering (LiME), Department of Mechanical Engineering, University of Victoria, Victoria, BC, V8P 5C2, Canada.,Center for Advanced Materials and Related Technologies (CAMTEC), University of Victoria, Victoria, BC, V8P 5C2, Canada
| | - Mehdi Farokhi
- National Cell Bank of Iran, Pasteur Institute of Iran, Tehran, PO Box 1316943551, Iran
| | - Hamid Reza Bakhsheshi-Rad
- Advanced Materials Research Center, Department of Materials Engineering, Najafabad Branch, Islamic Azad University, Najafabad, Iran
| | - Maryam Jahanshahi
- Laboratory for Innovations in Microengineering (LiME), Department of Mechanical Engineering, University of Victoria, Victoria, BC, V8P 5C2, Canada.,Center for Advanced Materials and Related Technologies (CAMTEC), University of Victoria, Victoria, BC, V8P 5C2, Canada
| | - Sadegh Hasanpour
- Laboratory for Innovations in Microengineering (LiME), Department of Mechanical Engineering, University of Victoria, Victoria, BC, V8P 5C2, Canada.,Center for Advanced Materials and Related Technologies (CAMTEC), University of Victoria, Victoria, BC, V8P 5C2, Canada
| | - Erik Pagan
- Laboratory for Innovations in Microengineering (LiME), Department of Mechanical Engineering, University of Victoria, Victoria, BC, V8P 5C2, Canada.,Center for Advanced Materials and Related Technologies (CAMTEC), University of Victoria, Victoria, BC, V8P 5C2, Canada
| | - Alireza Dolatshahi-Pirouz
- Radboud university medical center, Radboud Institute for Molecular Life Sciences, Department of Dentistry-Regenerative Biomaterials, Philips van Leydenlaan 25, 6525EX, Nijmegen, The Netherlands.,Department of Health Technology, Institute of Biotherapeutic Engineering and Drug Targeting, Center for Intestinal Absorption and Transport of Biopharmaceuticals, Technical University of Denmark, Kgs Lyngby, 2800, Denmark
| | - Yu Shrike Zhang
- Division of Engineering in Medicine, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, 65 Landsdowne St, Cambridge, MA, 02139, USA
| | - Subhas C Kundu
- 3Bs Research Group, I3Bs-Institute on Biomaterials, biodegradables and Biomimetics, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, University of Minho, AvePark, Guimaraes, 4805-017, Portugal
| | - Mohsen Akbari
- Laboratory for Innovations in Microengineering (LiME), Department of Mechanical Engineering, University of Victoria, Victoria, BC, V8P 5C2, Canada.,Center for Advanced Materials and Related Technologies (CAMTEC), University of Victoria, Victoria, BC, V8P 5C2, Canada
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33
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Skin Hydration Effects of Scale-Up Fermented Cyclopia intermedia against Ultraviolet B-Induced Damage in Keratinocyte Cells and Hairless Mice. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2020; 2020:3121936. [PMID: 32015752 PMCID: PMC6982363 DOI: 10.1155/2020/3121936] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/09/2019] [Revised: 11/27/2019] [Accepted: 12/23/2019] [Indexed: 01/27/2023]
Abstract
Photoaging occurs by chronic skin exposure to the sun and ultraviolet irradiation and leads to skin aging accompanied by a lack of skin hydration. We previously demonstrated the photoprotective effect of fermented Cyclopia intermedia (honeybush) extract on the skin. In this study, we evaluated the skin hydration effects of scaled-up fermented honeybush extract (HU-018) against ultraviolet B (UVB) radiation in HaCaT immortalized human keratinocytes and hairless mice. Pretreating HaCaT cells with HU-018 attenuated the decreased hyaluronic acid (HA) levels and mRNA expression of genes encoding involucrin, filaggrin, and loricrin by UVB irradiation. HU-018 treatment also ameliorated the decreased stratum corneum (SC) hydration and the increased levels of transepidermal water loss (TEWL) and erythema index (EI) in hairless mice after UVB exposure. Microarray analysis revealed changes in gene expression patterns of hyaluronan synthase 2 (Has2), transforming growth factor-beta 3 (TGF-β3), and elastin induced by HU-018 in UVB-irradiated mice. Consistently, the mRNA expression of Has2, TGF-β3, and elastin was increased by HU-018 treatment. Moreover, HU-018 restored the increased epidermal thickness and collagen disorganization in skin tissue of UVB-irradiated mice. HU-018 treatment also decreased matrix metalloproteinase-1 (MMP-1) expression and increased procollagen type-1, elastin, and TGF-β1 expression. In conclusion, we found that HU-018 promoted skin hydration processes in UVB-irradiated keratinocytes and hairless mice by modulating involucrin, filaggrin, loricrin, and HA expression and ameliorating visible signs of photoaging. Thus, HU-018 may be a good skin hydration agent for skin care.
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34
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Bikle DD. The Vitamin D Receptor as Tumor Suppressor in Skin. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2020; 1268:285-306. [PMID: 32918224 DOI: 10.1007/978-3-030-46227-7_14] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Cutaneous malignancies including melanomas and keratinocyte carcinomas (KC) are the most common types of cancer, occurring at a rate of over one million per year in the United States. KC, which include both basal cell carcinomas and squamous cell carcinomas, are substantially more common than melanomas and form the subject of this chapter. Ultraviolet radiation (UVR), both UVB and UVA, as occurs with sunlight exposure is generally regarded as causal for these malignancies, but UVB is also required for vitamin D synthesis in the skin. Keratinocytes are the major cell in the epidermis. These cells not only produce vitamin D but contain the enzymatic machinery to metabolize vitamin D to its active metabolite, 1,25(OH)2D, and express the receptor for this metabolite, the vitamin D receptor (VDR). This allows the cell to respond to the 1,25(OH)2D that it produces. Based on our own data and that reported in the literature, we conclude that vitamin D signaling in the skin suppresses UVR-induced epidermal tumor formation. In this chapter we focus on four mechanisms by which vitamin D signaling suppresses tumor formation. They are inhibition of proliferation/stimulation of differentiation with discussion of the roles of hedgehog, Wnt/β-catenin, and hyaluronan/CD44 pathways in mediating vitamin D regulation of proliferation/differentiation, regulation of the balance between oncogenic and tumor suppressor long noncoding RNAs, immune regulation, and promotion of DNA damage repair (DDR).
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Affiliation(s)
- Daniel D Bikle
- Medicine and Dermatology, VA Medical Center and University of California, San Francisco, San Francisco, CA, USA.
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Haiyuan YU, Shen X, Liu D, Hong M, Lu Y. The protective effects of β-sitosterol and vermicularin from Thamnolia vermicularis (Sw.) Ach. against skin aging in vitro. AN ACAD BRAS CIENC 2019; 91:e20181088. [PMID: 31800700 DOI: 10.1590/0001-3765201920181088] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2018] [Accepted: 12/27/2018] [Indexed: 01/01/2023] Open
Abstract
Aged skin, featured with dryness and wrinkles, has received mounting attention due to its adverse influences on beauty. β-Sitosterol and vermicularin are two common active ingredients of Thamnolia vermicularis (Sw.) Ach., a traditional Chinese medicine, of which the anti-aging effect has been discovered. Their protective performance against skin aging was assayed by co-culturing with skin cells in this work. Results showed that β-sitosterol promoted the biosynthesis of hyaluronic acid by increasing the expression of hyaluronic acid synthases in fibroblasts and enhanced the expression of skin barrier functional proteins including aquaporin 3, loricrin, filaggrin and involucrin in keratinocytes, which conduced to the moisture retention within skin. Moreover, vermicularin might function as an anti-wrinkle agent by preventing the loss of collagen type I. Specifically, vermicularin reduced the amount of reactive oxygen species within hydrogen-peroxide-induced fibroblasts; together with suppressing the activation of mitogen-activated protein kinases, it could inhibit the production of matrix metalloproteinases-1. The present research will contribute to the development of the compounds as anti-aging ingredients for future applications in cosmetic formulations and functional food as well as promote further studies of raw materials containing alike compounds.
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Affiliation(s)
- Y U Haiyuan
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, 130 Meilong Road, 200237 Shanghai, People's Republic of China
| | - Xueqing Shen
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, 130 Meilong Road, 200237 Shanghai, People's Republic of China
| | - Dan Liu
- Technology Center, Shanghai Inoherb Cosmetics limited company, 121 Chengyin Road, 200083 Shanghai, People's Republic of China
| | - Minhua Hong
- Technology Center, Shanghai Inoherb Cosmetics limited company, 121 Chengyin Road, 200083 Shanghai, People's Republic of China
| | - Yanhua Lu
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, 130 Meilong Road, 200237 Shanghai, People's Republic of China
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Melanocyte Hyaluronan Coat Fragmentation Enhances the UVB-Induced TLR-4 Receptor Signaling and Expression of Proinflammatory Mediators IL6, IL8, CXCL1, and CXCL10 via NF-κB Activation. J Invest Dermatol 2019; 139:1993-2003.e4. [DOI: 10.1016/j.jid.2019.03.1135] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2018] [Revised: 02/20/2019] [Accepted: 03/05/2019] [Indexed: 12/18/2022]
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Abstract
Many studies have highlighted the importance of body site and individuality in shaping the composition of the human skin microbiome, but we still have a poor understanding of how extrinsic (e.g., lifestyle) and intrinsic (e.g., age) factors influence its composition. We characterized the bacterial microbiomes of North American volunteers at four skin sites and the mouth. We also collected extensive subject metadata and measured several host physiological parameters. Integration of host and microbial features showed that the skin microbiome was predominantly associated with demographic, lifestyle, and physiological factors. Furthermore, we uncovered reproducible associations between chronological age, skin aging, and members of the genus Corynebacterium. Our work provides new understanding of the role of host selection and lifestyle in shaping skin microbiome composition. It also contributes to a more comprehensive appreciation of the factors that drive interindividual skin microbiome variation. Despite recognition that biogeography and individuality shape the function and composition of the human skin microbiome, we know little about how extrinsic and intrinsic host factors influence its composition. To explore the contributions of these factors to skin microbiome variation, we profiled the bacterial microbiomes of 495 North American subjects (ages, 9 to 78 years) at four skin surfaces plus the oral epithelium using 16S rRNA gene amplicon sequencing. We collected subject metadata, including host physiological parameters, through standardized questionnaires and noninvasive biophysical methods. Using a combination of statistical modeling tools, we found that demographic, lifestyle, and physiological factors collectively explained 12 to 20% of the variability in microbiome composition. The influence of health factors was strongest on the oral microbiome. Associations between host factors and the skin microbiome were generally dominated by operational taxonomic units (OTUs) affiliated with the Clostridiales and Prevotella. A subset of the correlations between microbial features and host attributes were site specific. To further explore the relationship between age and the skin microbiome of the forehead, we trained a Random Forest regression model to predict chronological age from microbial features. Age was associated mostly with two mutually coexcluding Corynebacterium OTUs. Furthermore, skin aging variables (wrinkles and hyperpigmented spots) were independently correlated to these taxa.
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Schneider M, Rother S, Möller S, Schnabelrauch M, Scharnweber D, Simon J, Hintze V, Savkovic V. Sulfated hyaluronan‐containing artificial extracellular matrices promote proliferation of keratinocytes and melanotic phenotype of melanocytes from the outer root sheath of hair follicles. J Biomed Mater Res A 2019; 107:1640-1653. [DOI: 10.1002/jbm.a.36680] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2018] [Revised: 01/18/2019] [Accepted: 03/13/2019] [Indexed: 12/18/2022]
Affiliation(s)
- Marie Schneider
- Saxon Incubator for Clinical TranslationLeipzig University TRR 67, Leipzig Germany
| | - Sandra Rother
- Max Bergmann Center of BiomaterialsInstitute of Materials Science, TU Dresden TRR 67, Dresden Germany
| | | | | | - Dieter Scharnweber
- Max Bergmann Center of BiomaterialsInstitute of Materials Science, TU Dresden TRR 67, Dresden Germany
| | - Jan‐Christoph Simon
- Clinic for Dermatology, Venerology and AllergologyFaculty of Medicine, Leipzig University Clinic TRR 67, Leipzig Germany
| | - Vera Hintze
- Max Bergmann Center of BiomaterialsInstitute of Materials Science, TU Dresden TRR 67, Dresden Germany
| | - Vuk Savkovic
- Saxon Incubator for Clinical TranslationLeipzig University TRR 67, Leipzig Germany
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Antiphotoaging and Antimelanogenic Effects of Penthorum chinense Pursh Ethanol Extract due to Antioxidant- and Autophagy-Inducing Properties. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2019; 2019:9679731. [PMID: 31073356 PMCID: PMC6470456 DOI: 10.1155/2019/9679731] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/22/2018] [Revised: 01/28/2019] [Accepted: 02/10/2019] [Indexed: 12/27/2022]
Abstract
Ethnopharmacological Relevance. Penthorum chinense Pursh (Penthoraceae) is a traditional herbal plant that has been used in China for the treatment of jaundice, cholecystitis, edema, and infectious hepatitis. In addition, the Korea Medicinal Plant Dictionary states that Penthorum chinense Pursh can be used to treat contusions and skin bruises by improving blood flow. Recent studies have shown that Penthorum chinense Pursh ethanol extract (Pc-EE) exhibits strong antioxidant effects. In this study, we examined the effects of Pc-EE on UVB-induced or H2O2-induced oxidative stress, as well as its antimelanogenic properties. Cell viability, matrix metalloproteinase (MMP) expression, cyclooxygenease-2 (COX-2), and interleukin-6 (IL-6) expression and moisturizing factors were investigated in keratinocytes. Collagen synthesis induction was measured in HEK293T cells. For melanogenesis, the effects of Pc-EE on melanin content and tyrosinase activity were measured. Additionally, the antimelanogenic- and autophagy-inducing activities of Pc-EE were examined using immunoblotting and confocal microscopy. Pc-EE protected HaCaT cells against death from UVB irradiation- or H2O2-induced oxidative stress. Pc-EE increased the promoter activity of the type 1 procollagen gene Col1A1 and decreased the expression of MMPs, COX-2, IL-6, and hyaluronidase induced by UVB irradiation- or H2O2-induced oxidative stress. Pc-EE showed a strong antioxidant effect in the DPPH assay. In α-melanocyte-stimulating hormone- (α-MSH-) stimulated B16F10 cells, Pc-EE reduced melanin production, decreased tyrosinase expression and microphthalmia-associated transcription factor (MITF) protein levels, and decreased the phosphorylation levels of p38 and JNK. In HEK293T cells, Pc-EE promoted the expression of GFP-LC3B. In B16F10 cells, the LC3B and melanin contents were reduced by Pc-EE and were restored by the autophagy inhibitor 3-methyladenine (3-MA). These results suggest that Pc-EE can be used as a skin protection agent due to its antiapoptotic, antiaging, anti-inflammatory, and antimelanogenic properties.
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Kolora SRR, Weigert A, Saffari A, Kehr S, Walter Costa MB, Spröer C, Indrischek H, Chintalapati M, Lohse K, Doose G, Overmann J, Bunk B, Bleidorn C, Grimm-Seyfarth A, Henle K, Nowick K, Faria R, Stadler PF, Schlegel M. Divergent evolution in the genomes of closely related lacertids, Lacerta viridis and L. bilineata, and implications for speciation. Gigascience 2019; 8:giy160. [PMID: 30535196 PMCID: PMC6381762 DOI: 10.1093/gigascience/giy160] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2018] [Revised: 09/19/2018] [Accepted: 11/29/2018] [Indexed: 12/18/2022] Open
Abstract
BACKGROUND Lacerta viridis and Lacerta bilineata are sister species of European green lizards (eastern and western clades, respectively) that, until recently, were grouped together as the L. viridis complex. Genetic incompatibilities were observed between lacertid populations through crossing experiments, which led to the delineation of two separate species within the L. viridis complex. The population history of these sister species and processes driving divergence are unknown. We constructed the first high-quality de novo genome assemblies for both L. viridis and L. bilineata through Illumina and PacBio sequencing, with annotation support provided from transcriptome sequencing of several tissues. To estimate gene flow between the two species and identify factors involved in reproductive isolation, we studied their evolutionary history, identified genomic rearrangements, detected signatures of selection on non-coding RNA, and on protein-coding genes. FINDINGS Here we show that gene flow was primarily unidirectional from L. bilineata to L. viridis after their split at least 1.15 million years ago. We detected positive selection of the non-coding repertoire; mutations in transcription factors; accumulation of divergence through inversions; selection on genes involved in neural development, reproduction, and behavior, as well as in ultraviolet-response, possibly driven by sexual selection, whose contribution to reproductive isolation between these lacertid species needs to be further evaluated. CONCLUSION The combination of short and long sequence reads resulted in one of the most complete lizard genome assemblies. The characterization of a diverse array of genomic features provided valuable insights into the demographic history of divergence among European green lizards, as well as key species differences, some of which are candidates that could have played a role in speciation. In addition, our study generated valuable genomic resources that can be used to address conservation-related issues in lacertids.
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Affiliation(s)
- Sree Rohit Raj Kolora
- German Centre for Integrative Biodiversity Research (iDiv) Halle-Jena-Leipzig, Deutscher Platz 5e, Leipzig, 04103, Germany
- Bioinformatics Group, Department of Computer Science, and Interdisciplinary Center for Bioinformatics, Universität Leipzig, Härtelstrasse 16-18, Leipzig, 04107, Germany
- Molecular Evolution and Systematics of Animals, Institute of Biology, University of Leipzig, Talstrasse 33, Leipzig, 04103, Germany
| | - Anne Weigert
- Molecular Evolution and Systematics of Animals, Institute of Biology, University of Leipzig, Talstrasse 33, Leipzig, 04103, Germany
- Max Planck Institute for Evolutionary Anthropology, Deutscher Platz 6, Leipzig, 04103, Germany
| | - Amin Saffari
- Bioinformatics Group, Department of Computer Science, and Interdisciplinary Center for Bioinformatics, Universität Leipzig, Härtelstrasse 16-18, Leipzig, 04107, Germany
- Human Biology Group, Institute for Zoology, Department of Biology, Chemistry and Pharmacy, Freie Universität Berlin, Königin-Luise-Straße 1–3, Berlin, D-14195, Germany
| | - Stephanie Kehr
- Bioinformatics Group, Department of Computer Science, and Interdisciplinary Center for Bioinformatics, Universität Leipzig, Härtelstrasse 16-18, Leipzig, 04107, Germany
| | - Maria Beatriz Walter Costa
- Bioinformatics Group, Department of Computer Science, and Interdisciplinary Center for Bioinformatics, Universität Leipzig, Härtelstrasse 16-18, Leipzig, 04107, Germany
- Embrapa Agroenergia, Parque Estacaeo Biologica (PqEB), Asa Norte, Brasilia/DF, 70770-901, Brazil
| | - Cathrin Spröer
- Department of Microbial Ecology and Diversity Research, Leibniz Institute DSMZ-German Collection of Microorganisms and Cell Cultures, Inhoffenstrasse 7B, Braunschweig, 38124, Germany
| | - Henrike Indrischek
- Max Planck Institute of Molecular Cell Biology and Genetics, Pfotenhauerstrasse 108, Dresden, 01307, Germany
- Max Planck Institute for Physics of Complex Systems, Noethnitzerstrasse 38, 01187 Dresden, Germany
- Center for Systems Biology Dresden, Pfotenhauerstrasse 108, 01397 Dresden, Germany
| | - Manjusha Chintalapati
- Max Planck Institute for Evolutionary Anthropology, Deutscher Platz 6, Leipzig, 04103, Germany
| | - Konrad Lohse
- Institute of Evolutionary Biology, University of Edinburgh, King's Buildings, Charlotte Auerbach Road, Edinburgh, EH9 3FL, United Kingdom
| | - Gero Doose
- Bioinformatics Group, Department of Computer Science, and Interdisciplinary Center for Bioinformatics, Universität Leipzig, Härtelstrasse 16-18, Leipzig, 04107, Germany
| | - Jörg Overmann
- German Centre for Integrative Biodiversity Research (iDiv) Halle-Jena-Leipzig, Deutscher Platz 5e, Leipzig, 04103, Germany
- Department of Microbial Ecology and Diversity Research, Leibniz Institute DSMZ-German Collection of Microorganisms and Cell Cultures, Inhoffenstrasse 7B, Braunschweig, 38124, Germany
| | - Boyke Bunk
- Department of Microbial Ecology and Diversity Research, Leibniz Institute DSMZ-German Collection of Microorganisms and Cell Cultures, Inhoffenstrasse 7B, Braunschweig, 38124, Germany
| | - Christoph Bleidorn
- German Centre for Integrative Biodiversity Research (iDiv) Halle-Jena-Leipzig, Deutscher Platz 5e, Leipzig, 04103, Germany
- Department of Animal Evolution and Biodiversity, University of Göttingen, Untere Karspüle 2, Göttingen, 37073, Germany
- Museo Nacional de Ciencias Naturales, Spanish National Research Council (CSIC), Madrid, 28006, Spain
| | - Annegret Grimm-Seyfarth
- Department of Conservation Biology, UFZ - Helmholtz Center for Environmental Research, Permoserstrasse 15, Leipzig, 04318, Germany
- Plant Ecology and Nature Conservation, University of Potsdam, Am Mühlenberg 3, Potsdam, 14476, Germany
| | - Klaus Henle
- Department of Conservation Biology, UFZ - Helmholtz Center for Environmental Research, Permoserstrasse 15, Leipzig, 04318, Germany
| | - Katja Nowick
- Human Biology Group, Institute for Zoology, Department of Biology, Chemistry and Pharmacy, Freie Universität Berlin, Königin-Luise-Straße 1–3, Berlin, D-14195, Germany
| | - Rui Faria
- Department of Animal and Plant Sciences, Alfred Building, University of Sheffield, Western Bank, Sheffield, S10 2TN, United Kingdom
| | - Peter F Stadler
- German Centre for Integrative Biodiversity Research (iDiv) Halle-Jena-Leipzig, Deutscher Platz 5e, Leipzig, 04103, Germany
- Bioinformatics Group, Department of Computer Science, and Interdisciplinary Center for Bioinformatics, Universität Leipzig, Härtelstrasse 16-18, Leipzig, 04107, Germany
- Competence Center for Scalable Data Services and Solutions Dresden/Leipzig, Universität Leipzig, Augustusplatz 12, Leipzig, 04107, Germany
- Max-Planck-Institute for Mathematics in the Sciences, Inselstrasse 22, Leipzig, 04103, Germany
- Fraunhofer Institut Für Zelltherapie Und Immunologie, Perlickstrasse 1, Leipzig, 04103, Germany
- Department of Theoretical Chemistry, University of Vienna, Währinger strasse 17, Wien, 1090, Austria
- Center for non-Coding RNA in Technology and Health, University of Copenhagen, Gronnegardsvej 3, Frederiksberg C, 1870, Denmark
- Santa Fe Institute, 1399 Hyde Park Road, Santa Fe, New Mexico, 87501, USA
| | - Martin Schlegel
- German Centre for Integrative Biodiversity Research (iDiv) Halle-Jena-Leipzig, Deutscher Platz 5e, Leipzig, 04103, Germany
- Molecular Evolution and Systematics of Animals, Institute of Biology, University of Leipzig, Talstrasse 33, Leipzig, 04103, Germany
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Majewski GP, Rodan K, Fields K, Falla TJ. Characterization of bound water in skin hydrators prepared with and without a 3D3P interpenetrating polymer network. Skin Res Technol 2018; 25:150-157. [PMID: 30112768 PMCID: PMC7379968 DOI: 10.1111/srt.12624] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2018] [Accepted: 06/23/2018] [Indexed: 11/28/2022]
Abstract
Background Hyaluronic acid (HA) has been considered the gold standard ingredient for improving skin hydration and combating age‐related effects, however it is an inefficient polymer with inconsistent results partially due to its poor skin penetration, surface deposition, and rapid degradation. Herein we report the synthesis and in vitro characterization of a newly developed, topical super‐humectant with the goal of attracting and binding water molecules more efficiently than traditional, cosmetic‐grade forms of HA. Methods A modified interpenetrating polymer network (IPN) was developed using three polymers into a three‐dimensional formation (3D3P) for entrapping HA and water. This 3D3P‐IPN functions as a super‐humectant, attracting and binding water molecules more efficiently than the traditional cosmetic‐grade forms of HA. We compare 3D3P‐IPN serum samples to a traditional commercial benchmark product of similar ingredients using microscopic analysis, rheology, Karl Fischer (KF) titration, differential scanning calorimetry (DSC), thermal gravimetric analysis (TGA), and dynamic vapor sorption (DVS) techniques. Results The 3D3P‐IPN samples appeared to bind water tighter than the benchmark sample as evidenced by maximum endpoints of endotherms occurring at significantly higher temperatures. The DVS results further confirm this speculation as the 3D3P‐IPN samples lost approximately 10% less water up to 35% RH than the benchmark. The 3D3P‐IPN samples also absorbed more water as the humidity level increased,demonstrating superior humectant properties. KF titration indicated that all three samples had similar water concentrations; however, TGA results demonstrated that the benchmark (a viscous, humectant‐rich hydrating masque) did not have much bound water. Conclusion Through the synthesis of a 3D3P‐IPN using simplified methods, we were able to increase the water‐binding and HA‐delivery capabilities of a thin serum. This 3D3P‐IPN serum has potential to deliver more hydration to the skin's surface compared to traditional HA formulations.
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Kim DU, Chung HC, Choi J, Sakai Y, Lee BY. Oral Intake of Low-Molecular-Weight Collagen Peptide Improves Hydration, Elasticity, and Wrinkling in Human Skin: A Randomized, Double-Blind, Placebo-Controlled Study. Nutrients 2018; 10:nu10070826. [PMID: 29949889 PMCID: PMC6073484 DOI: 10.3390/nu10070826] [Citation(s) in RCA: 72] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2018] [Revised: 06/20/2018] [Accepted: 06/21/2018] [Indexed: 11/29/2022] Open
Abstract
Collagen-peptide supplementation could be an effective remedy to improve hydration, elasticity, and wrinkling in human skin. The aim of this study was to conduct a double-blind, randomized, placebo-controlled trial to clinically evaluate the effect on human skin hydration, wrinkling, and elasticity of Low-molecular-weight Collagen peptide (LMWCP) with a tripetide (Gly-X-Y) content >15% including 3% Gly-Pro-Hyp. Individuals (n = 64) were randomly assigned to receive either placebo or 1000 mg of LMWCP once daily for 12 weeks. Parameters of skin hydration, wrinkling, and elasticity were assessed at baseline and after 6 weeks and 12 weeks. Compared with the placebo group, skin-hydration values were significantly higher in the LMWCP group after 6 weeks and 12 weeks. After 12 weeks in the LMWCP group, visual assessment score and three parameters of skin wrinkling were significantly improved compared with the placebo group. In case of skin elasticity, one parameter out of three was significantly improved in the LMWCP group from the baseline after 12 weeks, while, compared with the placebo group, two parameters out of three in the LMWCP group were higher with significance after 12 weeks. In terms of the safety of LMWCP, none of the subjects presented adverse symptoms related to the test material during the study period. These results suggest that LMWCP can be used as a health functional food ingredient to improve human skin hydration, elasticity, and wrinkling.
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Affiliation(s)
- Do-Un Kim
- Newtree, Seongnam 13207, Gyeonggi, Korea.
| | | | - Jia Choi
- Department of Food Science and Biotechnology, College of Life Science, CHA University, Seongnam 13488, Gyeonggi, Korea.
| | - Yasuo Sakai
- Central Research Institute, Jellice, Sakae, Tagajo 985-0833, Japan.
| | - Boo-Yong Lee
- Department of Food Science and Biotechnology, College of Life Science, CHA University, Seongnam 13488, Gyeonggi, Korea.
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Extracellular ATP activates hyaluronan synthase 2 ( HAS2) in epidermal keratinocytes via P2Y 2, Ca 2+ signaling, and MAPK pathways. Biochem J 2018; 475:1755-1772. [PMID: 29626161 DOI: 10.1042/bcj20180054] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2018] [Revised: 03/28/2018] [Accepted: 04/06/2018] [Indexed: 01/04/2023]
Abstract
Extracellular nucleotides are used as signaling molecules by several cell types. In epidermis, their release is triggered by insults such as ultraviolet radiation, barrier disruption, and tissue wounding, and by specific nerve terminals firing. Increased synthesis of hyaluronan, a ubiquitous extracellular matrix glycosaminoglycan, also occurs in response to stress, leading to the attractive hypothesis that nucleotide signaling and hyaluronan synthesis could also be linked. In HaCaT keratinocytes, ATP caused a rapid and strong but transient activation of hyaluronan synthase 2 (HAS2) expression via protein kinase C-, Ca2+/calmodulin-dependent protein kinase II-, mitogen-activated protein kinase-, and calcium response element-binding protein-dependent pathways by activating the purinergic P2Y2 receptor. Smaller but more persistent up-regulation of HAS3 and CD44, and delayed up-regulation of HAS1 were also observed. Accumulation of peri- and extracellular hyaluronan followed 4-6 h after stimulation, an effect further enhanced by the hyaluronan precursor glucosamine. AMP and adenosine, the degradation products of ATP, markedly inhibited HAS2 expression and, despite concomitant up-regulation of HAS1 and HAS3, inhibited hyaluronan synthesis. Functionally, ATP moderately increased cell migration, whereas AMP and adenosine had no effect. Our data highlight the strong influence of adenosinergic signaling on hyaluronan metabolism in human keratinocytes. Epidermal insults are associated with extracellular ATP release, as well as rapid up-regulation of HAS2/3, CD44, and hyaluronan synthesis, and we show here that the two phenomena are linked. Furthermore, as ATP is rapidly degraded, the opposite effects of its less phosphorylated derivatives facilitate a rapid shut-off of the hyaluronan response, providing a feedback mechanism to prevent excessive reactions when more persistent signals are absent.
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Hämäläinen L, Kärkkäinen E, Takabe P, Rauhala L, Bart G, Kärnä R, Pasonen-Seppänen S, Oikari S, Tammi MI, Tammi RH. Hyaluronan metabolism enhanced during epidermal differentiation is suppressed by vitamin C. Br J Dermatol 2018; 179:651-661. [PMID: 29405260 DOI: 10.1111/bjd.16423] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/30/2018] [Indexed: 12/21/2022]
Abstract
BACKGROUND Hyaluronan is a large, linear glycosaminoglycan present throughout the narrow extracellular space of the vital epidermis. Increased hyaluronan metabolism takes place in epidermal hypertrophy, wound healing and cancer. Hyaluronan is produced by hyaluronan synthases and catabolized by hyaluronidases, reactive oxygen species and KIAA1199. OBJECTIVES To investigate the changes in hyaluronan metabolism during epidermal stratification and maturation, and the impact of vitamin C on these events. METHODS Hyaluronan synthesis and expression of the hyaluronan-related genes were analysed during epidermal maturation from a simple epithelium to a fully differentiated epidermis in organotypic cultures of rat epidermal keratinocytes using quantitative reverse transcriptase polymerase chain reaction, immunostaining and Western blotting, in the presence and absence of vitamin C. RESULTS With epidermal stratification, both the production and the degradation of hyaluronan were enhanced, resulting in an increase of hyaluronan fragments of various sizes. While the mRNA levels of Has3 and KIAA1199 remained stable during the maturation, Has1, Has2 and Hyal2 showed a transient upregulation during stratification, Hyal1 transcription remained permanently increased and transcription of the hyaluronan receptor, Cd44, decreased. At maturation, vitamin C downregulated Has2, Hyal2 and Cd44, whereas it increased high-molecular-mass hyaluronan in the epidermis, and reduced small fragments in the medium, suggesting stabilization of epidermal hyaluronan. CONCLUSIONS Epidermal stratification and maturation is associated with enhanced hyaluronan turnover, and release of large amounts of hyaluronan fragments. The high turnover is suppressed by vitamin C, which is suggested to enhance normal epidermal differentiation in part through its effect on hyaluronan.
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Affiliation(s)
- L Hämäläinen
- Institute of Biomedicine/Anatomy, University of Eastern Finland, P.O. Box 1627, FI-70211, Kuopio, Finland
| | - E Kärkkäinen
- Institute of Biomedicine/Anatomy, University of Eastern Finland, P.O. Box 1627, FI-70211, Kuopio, Finland
| | - P Takabe
- Institute of Biomedicine/Anatomy, University of Eastern Finland, P.O. Box 1627, FI-70211, Kuopio, Finland
| | - L Rauhala
- Institute of Biomedicine/Anatomy, University of Eastern Finland, P.O. Box 1627, FI-70211, Kuopio, Finland
| | - G Bart
- Institute of Biomedicine/Anatomy, University of Eastern Finland, P.O. Box 1627, FI-70211, Kuopio, Finland
| | - R Kärnä
- Institute of Biomedicine/Anatomy, University of Eastern Finland, P.O. Box 1627, FI-70211, Kuopio, Finland
| | - S Pasonen-Seppänen
- Institute of Biomedicine/Anatomy, University of Eastern Finland, P.O. Box 1627, FI-70211, Kuopio, Finland
| | - S Oikari
- Institute of Biomedicine/Anatomy, University of Eastern Finland, P.O. Box 1627, FI-70211, Kuopio, Finland.,Dentistry, University of Eastern Finland, P.O. Box 1627, FI-70211, Kuopio, Finland
| | - M I Tammi
- Institute of Biomedicine/Anatomy, University of Eastern Finland, P.O. Box 1627, FI-70211, Kuopio, Finland
| | - R H Tammi
- Institute of Biomedicine/Anatomy, University of Eastern Finland, P.O. Box 1627, FI-70211, Kuopio, Finland
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Kim E, Hwang K, Lee J, Han SY, Kim EM, Park J, Cho JY. Skin Protective Effect of Epigallocatechin Gallate. Int J Mol Sci 2018; 19:E173. [PMID: 29316635 PMCID: PMC5796122 DOI: 10.3390/ijms19010173] [Citation(s) in RCA: 76] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2017] [Revised: 01/03/2018] [Accepted: 01/04/2018] [Indexed: 02/06/2023] Open
Abstract
Epigallocatechin gallate (EGCG) is a catechin and an abundant polyphenol in green tea. Although several papers have evaluated EGCG as a cosmetic constituent, the skin hydration effect of EGCG is poorly understood. We aimed to investigate the mechanism by which EGCG promotes skin hydration by measuring hyaluronic acid synthase (HAS) and hyaluronidase (HYAL) gene expression and antioxidant and anti-pigmentation properties using cell proliferation assay, Western blotting analysis, luciferase assay, 2,2-diphenyl-1-picrylhydrazyl (DPPH) assay, and reverse transcription polymerase chain reaction (RT-PCR) analysis. RT-PCR showed that EGCG increased the expression of natural moisturizing factor-related genes filaggrin (FLG), transglutaminase-1, HAS-1, and HAS-2. Under UVB irradiation conditions, the expression level of HYAL was decreased in HaCaT cells. Furthermore, we confirmed the antioxidant activity of EGCG and also showed a preventive effect against radical-evoked apoptosis by downregulation of caspase-8 and -3 in HaCaT cells. EGCG reduced melanin secretion and production in melanoma cells. Together, these results suggest that EGCG might be used as a cosmetic ingredient with positive effects on skin hydration, moisture retention, and wrinkle formation, in addition to radical scavenging activity and reduction of melanin generation.
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Affiliation(s)
- Eunji Kim
- Department of Genetic Engineering, Sungkyunkwan University, Suwon 16419, Korea.
| | - Kyeonghwan Hwang
- Heritage Material Research Team, Amorepacific Research and Development Unit, Yongin 17074, Korea.
| | - Jongsung Lee
- Department of Genetic Engineering, Sungkyunkwan University, Suwon 16419, Korea.
| | - Sang Yun Han
- Department of Genetic Engineering, Sungkyunkwan University, Suwon 16419, Korea.
| | - Eun-Mi Kim
- Heritage Material Research Team, Amorepacific Research and Development Unit, Yongin 17074, Korea.
| | - Junseong Park
- Heritage Material Research Team, Amorepacific Research and Development Unit, Yongin 17074, Korea.
| | - Jae Youl Cho
- Department of Genetic Engineering, Sungkyunkwan University, Suwon 16419, Korea.
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Park K, Choi HS, Hong YH, Jung EY, Suh HJ. Cactus cladodes (Opuntia humifusa) extract minimizes the effects of UV irradiation on keratinocytes and hairless mice. PHARMACEUTICAL BIOLOGY 2017; 55:1032-1040. [PMID: 28183235 PMCID: PMC6130649 DOI: 10.1080/13880209.2017.1286357] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/14/2015] [Revised: 01/03/2017] [Accepted: 01/20/2017] [Indexed: 06/06/2023]
Abstract
CONTEXT Cactus cladodes [Opuntia humifusa (Raf.) Raf. (Cactaceae)] is one of the cactus genera, which has long been used as a folk medicine for skin disorders. OBJECTIVE This study investigated the skincare potential of cactus cladodes extract (OHE), including its ability to regulate ultraviolet B (UVB)-induced hyaluronic acid (HA) production. MATERIALS AND METHODS Gene expression levels of hyaluronic acid synthases (HASs) and hyaluronidase (HYAL) were measured in UVB-irradiated HaCaT cells with OHE treatment (10, 25, 50, 100 μg/mL) by real-time polymerase chain reaction (PCR). The HA content was analyzed in hairless mice (SKH-1, male, 6 weeks old) treated with OHE for 10 weeks by using enzyme-linked immunosorbent assay (ELISA). Haematoxylin and eosin (H&E) and immunohistological staining were performed to examine epidermal thickness and levels of CD44 and hyaluronic acid-binding protein (HABP). RESULTS HA synthases (HAS,1 HAS2, HAS3) mRNA levels were increased by 1.9-, 2.2- and 1.6-fold, respectively, with OHE treatment (100 μg/mL), while UVB-induced increase of hyaluronidase mRNA significantly decreased by 35%. HA content in animal was decreased from 42.9 to 27.1 ng/mL by OHE treatment. HAS mRNA levels were decreased by 39%, but HYAL mRNA was increased by 50% in OHE group. CD44 and HABP levels, which were greatly increased by UVB-irradiation, were reduced by 64 and 60%, respectively. Epidermal thickness, transepidermal water loss (TEWL), and erythema formation was also decreased by 45 (45.7 to 24.2 μm), 48 (48.8 to 25 g/h/m2) and 33%, respectively. CONCLUSION OHE protects skin from UVB-induced skin degeneration in HaCaT cells and hairless mice.
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Affiliation(s)
- Kyungmi Park
- Regulatory Affairs & Product Compliance Korea and Philippines, Herbalife Korea, Seoul, Republic of Korea
| | - Hyeon-Son Choi
- Department of Food Science and Technology, Seoul Women’s University, Seoul, Republic of Korea
| | - Yang Hee Hong
- Department of Beauty Art, Suwon Women’s University, Suwon, Republic of Korea
| | - Eun Young Jung
- Department of Home Economic Education, Jeonju University, Jeonju, Republic of Korea
| | - Hyung Joo Suh
- Department of Public Health Sciences, Graduated School, Korea University, Seoul, Republic of Korea
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Lee YL, Lin KL, Chuang SM, Lee YC, Lu MC, Wu BN, Wu WJ, Yuan SSF, Ho WT, Juan YS. Elucidating Mechanisms of Bladder Repair after Hyaluronan Instillation in Ketamine-Induced Ulcerative Cystitis in Animal Model. THE AMERICAN JOURNAL OF PATHOLOGY 2017; 187:1945-1959. [DOI: 10.1016/j.ajpath.2017.06.004] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/02/2017] [Revised: 05/29/2017] [Accepted: 06/01/2017] [Indexed: 10/19/2022]
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Belvedere R, Bizzarro V, Parente L, Petrella F, Petrella A. Effects of Prisma® Skin dermal regeneration device containing glycosaminoglycans on human keratinocytes and fibroblasts. Cell Adh Migr 2017; 12:168-183. [PMID: 28795878 DOI: 10.1080/19336918.2017.1340137] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Prisma® Skin is a new pharmaceutical device developed by Mediolanum Farmaceutici S.p.a. It includes alginates, hyaluronic acid and mainly mesoglycan. The latter is a natural glycosaminoglycan preparation containing chondroitin sulfate, dermatan sulfate, heparan sulfate and heparin and it is used in the treatment of vascular disease. Glycosaminoglycans may contribute to the re-epithelialization in the skin wound healing, as components of the extracellular matrix. Here we describe, for the first time, the effects of Prisma® Skin in in vitro cultures of adult epidermal keratinocytes and dermal fibroblasts. Once confirmed the lack of cytotoxicity by mesoglycan and Prisma® Skin, we have shown the increase of S and G2 phases of fibroblasts cell cycle distribution. We further report the strong induction of cell migration rate and invasion capability on both cell lines, two key processes of wound repair. In support of these results, we found significant cytoskeletal reorganization, following the treatments with mesoglycan and Prisma® Skin, as confirmed by the formation of F-actin stress fibers. Additionally, together with a significant reduction of E-cadherin, keratinocytes showed an increase of CD44 expression and the translocation of ezrin to the plasma membrane, suggesting the involvement of CD44/ERM (ezrin-radixin-moesin) pathway in the induction of the analyzed processes. Furthermore, as showed by immunofluorescence assay, fibroblasts treated with mesoglycan and Prisma® Skin exhibited the increase of Fibroblast Activated Protein α and a remarkable change in shape and orientation, two common features of reactive stromal fibroblasts. In all experiments Prisma® Skin was slightly more potent than mesoglycan. In conclusion, based on these findings we suggest that Prisma® Skin may be able to accelerate the healing process in venous skin ulcers, principally enhancing re-epithelialization and granulation processes.
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Affiliation(s)
- Raffaella Belvedere
- a Department of Pharmacy , University of Salerno , Fisciano, Salerno , Italy
| | - Valentina Bizzarro
- a Department of Pharmacy , University of Salerno , Fisciano, Salerno , Italy
| | - Luca Parente
- a Department of Pharmacy , University of Salerno , Fisciano, Salerno , Italy
| | - Francesco Petrella
- b Primary Care - Wound Care Service , Health Local Agency Naples 3 South , Portici, Napoli , Italy
| | - Antonello Petrella
- a Department of Pharmacy , University of Salerno , Fisciano, Salerno , Italy
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Pannakal ST, Jäger S, Duranton A, Tewari A, Saha S, Radhakrishnan A, Roy N, Kuntz JF, Fermas S, James D, Mellor J, Misra N, Breton L. Longevity effect of a polysaccharide from Chlorophytum borivilianum on Caenorhabditis elegans and Saccharomyces cerevisiae. PLoS One 2017; 12:e0179813. [PMID: 28727758 PMCID: PMC5519035 DOI: 10.1371/journal.pone.0179813] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2016] [Accepted: 06/05/2017] [Indexed: 12/23/2022] Open
Abstract
The traditional Indian medicine, Ayurveda, provides insights and practical solutions towards a healthy life style. Rasayana is a branch of Ayurveda known for preserving and promoting health, enhancing the quality of life and delaying the aging process. In the traditional knowledge, the Rasayana herb, Chlorophytum borivilianum (C. borivilanum) is regarded as a general health promoting tonic that delays aging and increases lifespan, cognitive function and physical strength. Aging is a complex and multifactorial physiological phenomenon that manifests itself over a wide range of biological systems, tissues, and functions. Longevity is an obvious marker of physiological aging. Simple model systems such as the single-cell budding yeast Saccharomyces cerevisiae (S. cerevisiae) and the nematode, Caenorhabditis elegans (C. elegans) are widely used to study the aging process and longevity. Here, we show that a polysaccharide fraction obtained from C. borivilianum increases the lifespan of S. cerevisiae and C. elegans, using an automated screening platform (ChronoscreenTM). Chemical analysis of this extract revealed a low molecular weight polysaccharide of 1000 Da, predominantly comprising Glu1→6Glu linkage. This polysaccharide showed significant dose-dependent extension of the median lifespan of S. cerevisiae by up to 41% and of the median lifespan of C. elegans by up to 10%. Taking cue from these results and the traditionally described benefits of Rasayanas on skin rejuvenation, we tested in vitro the polysaccharide for potential skin benefits. In a keratinocyte culture, we observed that this polysaccharide increased cell proliferation significantly, and induced synthesis of hyaluronic acid (HA), a well-known extracellular matrix component. Furthermore, when added to culture medium of human reconstructed epidermis, we observed an enhanced production of epidermal markers, e.g. CD44 and HA that are otherwise diminished in aged skin. Together, these results suggest that in addition to life-span extension of S. cerevisiae and C. elegans, a polysaccharide from the Rasayana herb, C. borivilianum may have beneficial effects on skin aging parameters.
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Affiliation(s)
| | - Sibylle Jäger
- L'Oréal Research and Innovation, Aulnay-sous-Bois, France
| | | | - Amit Tewari
- L’Oreal Research & Innovation, Bangalore, India
| | | | | | - Nita Roy
- L’Oreal Research & Innovation, Bangalore, India
| | | | - Soraya Fermas
- L'Oréal Research and Innovation, Aulnay-sous-Bois, France
| | | | - Jane Mellor
- Biochemistry Department, University of Oxford, Oxford, United Kingdom
- Sibelius Limited, Oxford, United Kingdom
| | - Namita Misra
- L’Oreal Research & Innovation, Bangalore, India
- * E-mail: (STP); (NM)
| | - Lionel Breton
- L'Oréal Research and Innovation, Aulnay-sous-Bois, France
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Low molecular weight hyaluronan induces migration of human choriocarcinoma JEG-3 cells mediated by RHAMM as well as by PI3K and MAPK pathways. Histochem Cell Biol 2017; 148:173-187. [PMID: 28365860 DOI: 10.1007/s00418-017-1559-3] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/03/2017] [Indexed: 12/21/2022]
Abstract
Hyaluronan (HA) is the major glycosaminoglycan present in the extracellular matrix. It is produced by some tumours and promotes proliferation, differentiation and migration among others cellular processes. Gestational trophoblastic disease (GTD) is composed by non-tumour entities, such as hydatidiform mole (HM), which is the most common type of GTD and also malignant entities such as choriocarcinoma (CC) and placental site trophoblastic tumour (PSTT), being CC the most aggressive tumour. Although there is a growing understanding of GTD biology, the role of HA in the pathogenesis of this group of diseases remains largely unknown. The aim of this work was to study the role of HA in the pathogenesis of GTD by defining the expression pattern of HA and its receptors CD44 and RHAMM, as well as to determine if HA can modulate proliferation, differentiation and migration of CC cells. Receptors and signalling pathways involved were also analyzed. We demonstrated that HA and RHAMM are differently expressed among GTD entities and even among trophoblast subtypes. We also showed that HA is able to enhance the expression of extravillous trophoblast markers and also to induce migration of JEG-3 cells, the latter mediated by RHAMM as well as PI3K and MAPK pathways. These findings indicate a novel regulatory mechanism for CC cell biology and also contribute to the understanding of GTD pathophysiology.
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