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Jiang K, Yu H, Kong L, Liu S, Li Q. Molecular characterization of transcription factor CREB3L2 and CREB3L3 and their role in melanogenesis in Pacific oysters (Crassostrea gigas). Comp Biochem Physiol B Biochem Mol Biol 2024; 273:110970. [PMID: 38604561 DOI: 10.1016/j.cbpb.2024.110970] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2024] [Revised: 04/08/2024] [Accepted: 04/08/2024] [Indexed: 04/13/2024]
Abstract
Colorful shells in mollusks are commonly attributable to the presence of biological pigments. In Pacific oysters, the inheritance patterns of several shell colors have been investigated, but little is known about the molecular mechanisms of melanogenesis and pigmentation. cAMP-response element binding proteins (CREB) are important transcription factors in the cAMP-mediated melanogenesis pathway. In this study, we characterized two CREB genes (CREB3L2 and CREB3L3) from Pacific oysters. Both of them contained a conserved DNA-binding and dimerization domain (a basic-leucine zipper domain). CREB3L2 and CREB3L3 were expressed highly in the mantle tissues and exhibited higher expression levels in the black-shell oyster than in the white. Masson-Fontana melanin staining and immunofluorescence analysis showed that the location of CREB3L2 protein was generally consistent with the distribution of melanin in oyster edge mantle. Dual-luciferase reporter assays revealed that CREB3L2 and CREB3L3 could activate the microphthalmia-associated transcription factor (MITF) promoter and this process was regulated by the level of cAMP. Additionally, we found that cAMP regulated melanogenic gene expression through the CREB-MITF-TYR axis. These results implied that CREB3L2 and CREB3L3 play important roles in melanin synthesis and pigmentation in Pacific oysters.
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Affiliation(s)
- Kunyin Jiang
- Key Laboratory of Mariculture, Ministry of Education, Ocean University of China, Qingdao 266003, China
| | - Hong Yu
- Key Laboratory of Mariculture, Ministry of Education, Ocean University of China, Qingdao 266003, China
| | - Lingfeng Kong
- Key Laboratory of Mariculture, Ministry of Education, Ocean University of China, Qingdao 266003, China
| | - Shikai Liu
- Key Laboratory of Mariculture, Ministry of Education, Ocean University of China, Qingdao 266003, China
| | - Qi Li
- Key Laboratory of Mariculture, Ministry of Education, Ocean University of China, Qingdao 266003, China; Laboratory for Marine Fisheries Science and Food Production Processes, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266237, China.
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Ascsillán AA, Kemény LV. The Skin-Brain Axis: From UV and Pigmentation to Behaviour Modulation. Int J Mol Sci 2024; 25:6199. [PMID: 38892387 PMCID: PMC11172643 DOI: 10.3390/ijms25116199] [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: 03/27/2024] [Revised: 05/24/2024] [Accepted: 06/01/2024] [Indexed: 06/21/2024] Open
Abstract
The skin-brain axis has been suggested to play a role in several pathophysiological conditions, including opioid addiction, Parkinson's disease and many others. Recent evidence suggests that pathways regulating skin pigmentation may directly and indirectly regulate behaviour. Conversely, CNS-driven neural and hormonal responses have been demonstrated to regulate pigmentation, e.g., under stress. Additionally, due to the shared neuroectodermal origins of the melanocytes and neurons in the CNS, certain CNS diseases may be linked to pigmentation-related changes due to common regulators, e.g., MC1R variations. Furthermore, the HPA analogue of the skin connects skin pigmentation to the endocrine system, thereby allowing the skin to index possible hormonal abnormalities visibly. In this review, insight is provided into skin pigment production and neuromelanin synthesis in the brain and recent findings are summarised on how signalling pathways in the skin, with a particular focus on pigmentation, are interconnected with the central nervous system. Thus, this review may supply a better understanding of the mechanism of several skin-brain associations in health and disease.
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Affiliation(s)
- Anna A. Ascsillán
- Department of Dermatology, Venereology and Dermatooncology, Faculty of Medicine, Semmelweis University, 1085 Budapest, Hungary
- HCEMM-SU Translational Dermatology Research Group, Semmelweis University, 1094 Budapest, Hungary
- Department of Physiology, Faculty of Medicine, Semmelweis University, 1094 Budapest, Hungary
- Division of Infection and Immunity, University College London, London WC1E 6BT, UK
| | - Lajos V. Kemény
- Department of Dermatology, Venereology and Dermatooncology, Faculty of Medicine, Semmelweis University, 1085 Budapest, Hungary
- HCEMM-SU Translational Dermatology Research Group, Semmelweis University, 1094 Budapest, Hungary
- Department of Physiology, Faculty of Medicine, Semmelweis University, 1094 Budapest, Hungary
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Furmanczyk M, Brown A, Bustos J, de Henestrosa ARF, Trullas C, Granger C, Jourdan E. Efficacy and tolerability of a depigmenting gel serum comprising tranexamic acid, niacinamide, 4-butylresorcinol, phytic acid, and a mixture of hydroxy acids that targets the biological processes regulating skin melanogenesis. J Cosmet Dermatol 2024; 23:2058-2065. [PMID: 38549196 DOI: 10.1111/jocd.16148] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2023] [Revised: 11/07/2023] [Accepted: 12/12/2023] [Indexed: 05/19/2024]
Abstract
BACKGROUND The diverse causes of hyperpigmentation and complex nature of melanogenesis make it a challenge to manage. Current approaches either fail to deliver effective pigmentation control or have undesirable safety profiles that preclude their long-term use. AIMS To evaluate the capacity of a cosmetic gel serum comprising tranexamic acid, niacinamide, 4-butylresorcinol, phytic acid, and a mixture of hydroxy acids that was designed to target the biological processes regulating skin melanogenesis to attenuate melanin production in vitro and reduce hyperpigmentation clinically. METHODS Capacity to reduce melanin production in vitro was determined in melanocyte-containing reconstructed human epidermis (RHEm). Clinical efficacy and skin tolerability following twice daily application were assessed in 35 subjects with slight to moderate facial hyperpigmentation by instrumental (VISIA®-CR, Mexameter®) and clinical (mMASI, clinical score, IGA for hyperpigmentation) evaluation on D14, D28, D56, and D84. Maintenance of pigmentation control was followed up 1 month after cessation of treatment on D112. RESULTS In RHEm in vitro, melanin production was reduced by 50.0% from baseline (D0) on D14 (p < 0.001) and by 67.0% on D21 (p < 0.001). Clinical reductions from baseline in brown spots count (-9.0%; p < 0.05), brown spots area (-16.7%; p < 0.001), and the melanin index (-11.4%; p < 0.001) were observed within 14 days of use. Statistically significant improvements in all clinical parameters were achieved by D28. By the end of treatment on D84, the number and surface area of brown spots were reduced by 28.4% and 40.3% compared to D0, respectively (p < 0.001, both), the melanin index was reduced by 31.1% (p < 0.001), mMASI was reduced by 63.0% (p < 0.001), and skin luminosity was increased by 79.0% (p < 0.001). IGA was reduced from 2.3 on D0 to 1.3 on D84 (p < 0.001). Improvements to all these parameters were maintained until D112, 1 month after termination of treatment. The product also demonstrated very good skin tolerability. CONCLUSION A gel serum comprising tranexamic acid, niacinamide, 4-butylresorcinol, and hydroxy acids, designed to target the biological processes regulating skin melanogenesis, demonstrates rapid, robust, and sustained pigmentation control in this cohort.
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Affiliation(s)
| | | | | | | | | | | | - Eric Jourdan
- Innovation and Development, ISDIN, Barcelona, Spain
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4
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Nayar JC, Abboud M, Dixon KM. Cyclic AMP-regulatory element-binding protein: a novel UV-targeted transcription factor in skin cancer. Photochem Photobiol Sci 2024; 23:1209-1215. [PMID: 38743195 DOI: 10.1007/s43630-024-00578-7] [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: 01/22/2024] [Accepted: 04/12/2024] [Indexed: 05/16/2024]
Abstract
Common therapeutics in relation to melanoma and non-melanoma cancers include the use of kinase inhibitors. The long-term benefits of kinases, however, are limited by development of drug resistance. An alternative approach for treatment would be to focus on transcription factors. Cyclic AMP-regulatory element-binding protein (CREB) is a transcription factor that is commonly overactivated or overexpressed in many different cancers including skin cancer. Ultraviolet radiation (UVR), one of the main causes of skin cancer, can activate CREB in both melanocytes and keratinocytes. In addition, CREB has been found to be activated in skin cancers. Considering the prominent role that CREB plays in skin cancers, the studies reviewed herein raise the possibility of CREB as a potential prognostic and diagnostic marker of skin cancer and a novel target for therapeutic intervention.
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Affiliation(s)
- Julianne C Nayar
- School of Medical Sciences, Faculty of Medicine and Health, The University of Sydney, 2050, Camperdown, NSW, Australia
| | - Myriam Abboud
- Department of Health, Zayed University, P.O. Box 144534, Abu Dhabi, United Arab Emirates
| | - Katie M Dixon
- School of Medical Sciences, Faculty of Medicine and Health, The University of Sydney, 2050, Camperdown, NSW, Australia.
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Shen J, Jin J, Huang J, Guo Y, Qian Q. Combining large-spot low-fluence 1064-nm and fractional 1064-nm picosecond lasers for promoting protective melanosome autophagy via the PI3K/Akt/mTOR signalling pathway for the treatment of melasma. Exp Dermatol 2024; 33:e15094. [PMID: 38742793 DOI: 10.1111/exd.15094] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2024] [Revised: 03/30/2024] [Accepted: 04/24/2024] [Indexed: 05/16/2024]
Abstract
Melasma is a common condition of hyperpigmented facial skin. Picosecond lasers are reported to be effective for the treatment of melasma. We aimed to identify the most effective therapeutic mode and elucidate the potential molecular mechanisms of picosecond lasers for the treatment of melasma. Female Kunming mice with melasma-like conditions were treated using four different picosecond laser modes. Concurrently, in vitro experiments were conducted to assess changes in melanin and autophagy in mouse melanoma B16-F10 cells treated with these laser modes. Changes in melanin in mouse skin were detected via Fontana-Masson staining, and melanin particles were evaluated in B16-F10 cells. Real-time polymerase chain reaction and western blotting were used to analyse the expression levels of melanosome and autophagy-related messenger ribonucleic acid (mRNA) and proteins. A combination of large-spot low-fluence 1064-nm and fractional 1064-nm picosecond lasers resulted insignificant decreases in melanin as well as in mRNA and protein expression of melanin-synthesizing enzymes (TYR, TRP-1 and MITF). This combination also led to increased expression of the autophagy-related proteins, Beclin1 and ATG5, with a marked decrease in p62 expression. Intervention with the PI3K activator, 740 Y-P, increased TYR, TRP-1, MITF, p-PI3K, p-AKT, p-mTOR and p62 expression but decreased the expression of LC3, ATG5 and Beclin1. A combination of large-spot low-fluence 1064-nm and fractional 1064-nm picosecond lasers proved more effective and safer. It inhibits melanin production, downregulates the PI3K/AKT/mTOR pathway, enhances melanocyte autophagy and accelerates melanin metabolism, thereby reducing melanin content.
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Affiliation(s)
- Jie Shen
- Department of Dermatology, First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China
- Department of Dermatology, Huadong Hospital, Fudan University, Shanghai, China
| | - JingJing Jin
- Department of Pathology, Huadong Hospital, Fudan University, Shanghai, China
| | - JianHua Huang
- Department of Dermatology, Huadong Hospital, Fudan University, Shanghai, China
| | - Yu Guo
- Department of Plastic and Aesthetic Surgery, Huadong Hospital, Fudan University, Shanghai, China
| | - Qihong Qian
- Department of Dermatology, First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China
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Lin Y, Wu X, Yang Y, Wu Y, Xiang L, Zhang C. The multifaceted role of autophagy in skin autoimmune disorders: a guardian or culprit? Front Immunol 2024; 15:1343987. [PMID: 38690268 PMCID: PMC11058840 DOI: 10.3389/fimmu.2024.1343987] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2023] [Accepted: 04/01/2024] [Indexed: 05/02/2024] Open
Abstract
Autophagy is a cellular process that functions to maintain intracellular homeostasis via the degradation and recycling of defective organelles or damaged proteins. This dynamic mechanism participates in various biological processes, such as the regulation of cellular differentiation, proliferation, survival, and the modulation of inflammation and immune responses. Recent evidence has demonstrated the involvement of polymorphisms in autophagy-related genes in various skin autoimmune diseases. In addition, autophagy, along with autophagy-related proteins, also contributes to homeostasis maintenance and immune regulation in the skin, which is associated with skin autoimmune disorders. This review aims to provide an overview of the multifaceted role of autophagy in skin autoimmune diseases and shed light on the potential of autophagy-targeting therapeutic strategies in dermatology.
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Affiliation(s)
| | | | | | | | | | - Chengfeng Zhang
- Department of Dermatology, Huashan Hospital, Fudan University, Shanghai, China
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Pavlyuchenkova AN, Smirnov MS, Chernyak BV, Chelombitko MA. The Role Played by Autophagy in FcεRI-Dependent Activation of Mast Cells. Cells 2024; 13:690. [PMID: 38667305 PMCID: PMC11049365 DOI: 10.3390/cells13080690] [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: 04/10/2024] [Accepted: 04/14/2024] [Indexed: 04/28/2024] Open
Abstract
The significant role of mast cells in the development of allergic and inflammatory diseases is well-established. Among the various mechanisms of mast cell activation, the interaction of antigens/allergens with IgE and the subsequent binding of this complex to the high-affinity IgE receptor FcεRI stand out as the most studied and fundamental pathways. This activation process leads to the rapid exocytosis of granules containing preformed mediators, followed by the production of newly synthesized mediators, including a diverse array of cytokines, chemokines, arachidonic acid metabolites, and more. While conventional approaches to allergy control primarily focus on allergen avoidance and the use of antihistamines (despite their associated side effects), there is increasing interest in exploring novel methods to modulate mast cell activity in modern medicine. Recent evidence suggests a role for autophagy in mast cell activation, offering potential avenues for utilizing low-molecular-weight autophagy regulators in the treatment of allergic diseases. More specifically, mitochondria, which play an important role in the regulation of autophagy as well as mast cell activation, emerge as promising targets for drug development. This review examines the existing literature regarding the involvement of the molecular machinery associated with autophagy in FcεRI-dependent mast cell activation.
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Affiliation(s)
- Anastasia N. Pavlyuchenkova
- Belozersky Institute of Physicochemical Biology, Moscow State University, Moscow 119992, Russia; (A.N.P.)
- Faculty of Bioengineering and Bioinformatics, Moscow State University, Moscow 119992, Russia
| | - Maxim S. Smirnov
- Belozersky Institute of Physicochemical Biology, Moscow State University, Moscow 119992, Russia; (A.N.P.)
- Faculty of Bioengineering and Bioinformatics, Moscow State University, Moscow 119992, Russia
| | - Boris V. Chernyak
- Belozersky Institute of Physicochemical Biology, Moscow State University, Moscow 119992, Russia; (A.N.P.)
| | - Maria A. Chelombitko
- Belozersky Institute of Physicochemical Biology, Moscow State University, Moscow 119992, Russia; (A.N.P.)
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Lee KW, Ryu KJ, Kim M, Lim S, Kim J, Kim JY, Hwangbo C, Yoo J, Cho YY, Kim KD. RCHY1 and OPTN are required for melanophagy, selective autophagy of melanosomes. Proc Natl Acad Sci U S A 2024; 121:e2318039121. [PMID: 38536750 PMCID: PMC10998605 DOI: 10.1073/pnas.2318039121] [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: 10/24/2023] [Accepted: 02/28/2024] [Indexed: 04/05/2024] Open
Abstract
Melanosomes are specific organelles dedicated to melanin synthesis and accumulation in melanocytes. Autophagy is suggestively involved in melanosome degradation, although the potential underlying molecular mechanisms remain elusive. In selective autophagy, autophagy receptors and E3-ligases are the key factors conferring cargo selectivity. In B16F10 cells, β-mangostin efficiently induced melanosome degradation without affecting other organelles such as mitochondria, peroxisomes, and the endoplasmic reticulum. Among various autophagy receptors, optineurin (OPTN) contributes TANK-binding kinase 1 (TBK1)-dependently to melanosome degradation and its knockdown inhibited β-mangostin-mediated melanosome degradation. OPTN translocation to melanosomes was dependent on its ubiquitin-binding domain. Moreover, OPTN-mediated TBK1 activation and subsequent TBK1-mediated S187 OPTN phosphorylation were essential for melanosome degradation. β-mangostin increased K63-linked melanosome ubiquitination. Finally, the E3-ligase RCHY1 knockdown inhibited the melanosome ubiquitination required for OPTN- and TBK1-phosphorylation as well as melanosome degradation. This study suggests that melanophagy, melanosome-selective autophagy, contributes to melanosome degradation, and OPTN and RCHY1 are an essential autophagy receptor and a E3-ligase, respectively, conferring cargo selectivity in melanophagy.
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Affiliation(s)
- Ki Won Lee
- Anti-aging Bio Cell factory Regional Leading Research Center, Gyeongsang National University, Jinju52828, South Korea
- Division of Applied Life Science (Brain Korea 21 Four), Gyeongsang National University, Jinju 52828, South Korea
| | - Ki-jun Ryu
- Research Institute of Life Sciences, Gyeongsang National University, Jinju52828, South Korea
| | - Minju Kim
- Division of Applied Life Science (Brain Korea 21 Four), Gyeongsang National University, Jinju 52828, South Korea
| | - Seyeon Lim
- Division of Applied Life Science (Brain Korea 21 Four), Gyeongsang National University, Jinju 52828, South Korea
| | - Jisu Kim
- Division of Applied Life Science (Brain Korea 21 Four), Gyeongsang National University, Jinju 52828, South Korea
| | - Jeong Yoon Kim
- Department of Pharmaceutical Engineering, Gyeongsang National University, Jinju52725, South Korea
| | - Cheol Hwangbo
- Division of Applied Life Science (Brain Korea 21 Four), Gyeongsang National University, Jinju 52828, South Korea
- Division of Life Science, Gyeongsang National University, Jinju52828, South Korea
| | - Jiyun Yoo
- Division of Applied Life Science (Brain Korea 21 Four), Gyeongsang National University, Jinju 52828, South Korea
- Division of Life Science, Gyeongsang National University, Jinju52828, South Korea
| | - Yong-Yeon Cho
- College of Pharmacy, The Catholic University of Korea, Wonmi-Gu, Bucheon-si, Gyeonggi-Do14662, South Korea
| | - Kwang Dong Kim
- Anti-aging Bio Cell factory Regional Leading Research Center, Gyeongsang National University, Jinju52828, South Korea
- Division of Applied Life Science (Brain Korea 21 Four), Gyeongsang National University, Jinju 52828, South Korea
- Division of Life Science, Gyeongsang National University, Jinju52828, South Korea
- Plant Molecular Biology and Biotechnology Research Center, Gyeongsang National University, Jinju52828, South Korea
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Hseu YC, Yeh JT, Vadivalagan C, Chen SJ, Gowrisankar YV, Pandey S, Hsu YT, Yen HR, Huang HC, Hseu JH, Yang HL. The in vitro and in vivo depigmentation activity of coenzyme Q 0, a major quinone derivative from Antrodia camphorata, through autophagy induction in human melanocytes and keratinocytes. Cell Commun Signal 2024; 22:151. [PMID: 38408981 PMCID: PMC10895752 DOI: 10.1186/s12964-024-01537-6] [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: 12/05/2023] [Accepted: 02/18/2024] [Indexed: 02/28/2024] Open
Abstract
BACKGROUND Coenzyme Q0 (CoQ0), a novel quinone derivative of Antrodia camphorata, has been utilized as a therapeutic agent (including antioxidant, anti-inflammatory, antiangiogenic, antiatherosclerotic, and anticancer agents); however, its depigmenting efficiency has yet to be studied. METHODS We resolved the depigmenting efficiency of CoQ0 through autophagy induction in melanoma (B16F10) and melanin-feeding keratinocyte (HaCaT) cells and in vivo Zebrafish model. Then, MPLC/HPLC analysis, MTT assay, Western blotting, immunofluorescence staining, LC3 transfection, melanin formation, GFP-LC3 puncta, AVO formation, tyrosinase activity, and TEM were used. RESULTS CoQ0-induced autophagy in B16F10 cells was shown by enhanced LC3-II accumulation, ATG7 expression, autophagosome GFP-LC3 puncta, and AVOs formation, and ATG4B downregulation, and Beclin-1/Bcl-2 dysregulation. In α-MSH-stimulated B16F10 cells, CoQ0 induced antimelanogenesis by suppressing CREB-MITF pathway, tyrosinase expression/activity, and melanin formation via autophagy. TEM data disclosed that CoQ0 increased melanosome-engulfing autophagosomes and autolysosomes in α-MSH-stimulated B16F10 cells. CoQ0-inhibited melanogenesis in α-MSH-stimulated B16F10 cells was reversed by pretreatment with the autophagy inhibitor 3-MA or silencing of LC3. Additionally, CoQ0-induced autophagy in HaCaT cells was revealed by enhanced LC3-II accumulation, autophagosome GFP-LC3 puncta and AVO formation, ATG4B downregulation, ATG5/ATG7 expression, and Beclin-1/Bcl-2 dysregulation. In melanin-feeding HaCaT cells, CoQ0 induced melanin degradation by suppressing melanosome gp100 and melanin formation via autophagy. TEM confirmed that CoQ0 increased melanosome-engulfing autophagosomes and autolysosomes in melanin-feeding HaCaT cells. Treatment with 3-MA reversed CoQ0-mediated melanin degradation in melanin-feeding HaCaT cells. In vivo study showed that CoQ0 suppressed endogenous body pigmentation by antimelanogenesis and melanin degradation through autophagy induction in a zebrafish model. CONCLUSIONS Our results showed that CoQ0 exerted antimelanogenesis and melanin degradation by inducing autophagy. CoQ0 could be used in skin-whitening formulations as a topical cosmetic application.
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Affiliation(s)
- You-Cheng Hseu
- Department of Cosmeceutics, College of Pharmacy, China Medical University, Taichung, 406040, Taiwan
- Chinese Medicine Research Center, China Medical University, Taichung, 406040, Taiwan
- Research Center of Chinese Herbal Medicine, China Medical University, Taichung, 406040, Taiwan
- Department of Health and Nutrition Biotechnology, Asia University, Taichung, 413305, Taiwan
| | - Jou-Tsen Yeh
- Institute of Nutrition, College of Health Care, China Medical University, Taichung, 406040, Taiwan
| | - Chithravel Vadivalagan
- Department of Surgery, University of Michigan Medical Center, Ann Arbor, Michigan, 48109, United States
| | - Siang-Jyun Chen
- Institute of Nutrition, College of Health Care, China Medical University, Taichung, 406040, Taiwan
| | | | - Sudhir Pandey
- Department of Cosmeceutics, College of Pharmacy, China Medical University, Taichung, 406040, Taiwan
| | - Yuan-Tai Hsu
- Institute of Nutrition, College of Health Care, China Medical University, Taichung, 406040, Taiwan
| | - Hung-Rong Yen
- Chinese Medicine Research Center, China Medical University, Taichung, 406040, Taiwan
- Research Center of Chinese Herbal Medicine, China Medical University, Taichung, 406040, Taiwan
- Department of Medical Research, China Medical University Hospital, Taichung, 404333, Taiwan
- School of Chinese Medicine, China Medical University, Taichung, 404333, Taiwan
| | - Hui-Chi Huang
- Department of Chinese Pharmaceutical Sciences and Chinese Medicine Resources, College of Chinese Medicine, China Medical University, Taichung, 406040, Taiwan
| | - Jhih-Hsuan Hseu
- Department of Dermatology, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung, 83301, Taiwan.
| | - Hsin-Ling Yang
- Institute of Nutrition, College of Health Care, China Medical University, Taichung, 406040, Taiwan.
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10
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Taskaeva I, Shatruk A, Bgatova N, Yeremina A, Trunov A, Kononova N, Chernykh V. Autophagy and vesicular trafficking in human uveal melanoma: A histopathological study. Microsc Res Tech 2024; 87:122-132. [PMID: 37698482 DOI: 10.1002/jemt.24417] [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: 01/19/2023] [Revised: 08/04/2023] [Accepted: 09/03/2023] [Indexed: 09/13/2023]
Abstract
Uveal melanoma is an ocular tumor with a high risk of developing metastases. The endo-lysosomal system can affect the melanoma progression by accelerating and facilitating invasion or metastasis. This study aims to conduct comparative analysis of normal choroidal melanocytes and uveal melanoma cells ultrastructure with a focus on intracellular transport system, and to examine the patterns of autophagy- and vesicular trafficking-related proteins expression in a case series of uveal melanomas. Transmission electron microscopy was used to assess the ultrastructure of normal choroidal melanocytes and uveal melanoma cells. The expression levels of autophagy- and vesicular trafficking-related proteins in three histological types of uveal melanoma were analyzed by immunofluorescence staining. Electron microscopy results showed that the autophagic vacuoles were more abundant in normal choroidal melanocytes, than in uveal melanoma cells. The normal choroidal melanocytes were characterized by active intracellular vesicular trafficking; however, the proportion of caveolae was higher in uveal melanoma cells. The spindle type of tumor was characterized by a high expression levels of LC3 beta, while Rab7 and Rab11 proteins expression was significantly up-regulated in the mixed-type tumor cells. The results indicate that uveal melanoma cells probably have lower basal levels of autophagy and higher receptor-mediated endocytic trafficking-associated with caveolae than normal choroidal melanocytes. RESEARCH HIGHLIGHTS: The autophagic vacuoles are abundant in normal choroidal melanocytes. Uveal melanoma cells are characterized by a high proportion of caveolae. The high expression levels of LC3 beta were revealed in a spindle type of tumor, while Rab7 and Rab11 proteins expression was up-regulated in the mixed-type tumor cells.
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Affiliation(s)
- Iuliia Taskaeva
- Laboratory of Ultrastructural Research, Research Institute of Clinical and Experimental Lymphology - Branch of the Institute of Cytology and Genetics, Siberian Branch of the Russian Academy of Sciences, Novosibirsk, Russia
| | - Anastasia Shatruk
- Laboratory of Ultrastructural Research, Research Institute of Clinical and Experimental Lymphology - Branch of the Institute of Cytology and Genetics, Siberian Branch of the Russian Academy of Sciences, Novosibirsk, Russia
| | - Nataliya Bgatova
- Laboratory of Ultrastructural Research, Research Institute of Clinical and Experimental Lymphology - Branch of the Institute of Cytology and Genetics, Siberian Branch of the Russian Academy of Sciences, Novosibirsk, Russia
| | - Alena Yeremina
- S. N. Fyodorov Federal State Institution National Medical Research Center Intersectoral Research and Technology Complex "Eye Microsurgery" Ministry of Health of the Russian Federation, Novosibirsk, Russia
| | - Aleksander Trunov
- S. N. Fyodorov Federal State Institution National Medical Research Center Intersectoral Research and Technology Complex "Eye Microsurgery" Ministry of Health of the Russian Federation, Novosibirsk, Russia
| | - Natalya Kononova
- S. N. Fyodorov Federal State Institution National Medical Research Center Intersectoral Research and Technology Complex "Eye Microsurgery" Ministry of Health of the Russian Federation, Novosibirsk, Russia
| | - Valeriy Chernykh
- S. N. Fyodorov Federal State Institution National Medical Research Center Intersectoral Research and Technology Complex "Eye Microsurgery" Ministry of Health of the Russian Federation, Novosibirsk, Russia
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11
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Galache TR, Sena MM, Tassinary JAF, Pavani C. Photobiomodulation for melasma treatment: Integrative review and state of the art. PHOTODERMATOLOGY, PHOTOIMMUNOLOGY & PHOTOMEDICINE 2024; 40:e12935. [PMID: 38018017 DOI: 10.1111/phpp.12935] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Revised: 10/06/2023] [Accepted: 11/14/2023] [Indexed: 11/30/2023]
Abstract
PURPOSE Photobiomodulation therapy (PBM) is a versatile technique for treating skin diseases. Melasma, a chronic hyperpigmentation condition, has recently been associated with vascular features and dermal photoaging and poses significant management challenges. We review the recent literature on melasma etiology and the evidence supporting PBM as a therapeutic modality for melasma treatment. METHODS We conducted a comprehensive literature search in three different databases from May to August 2023, focusing on studies published in the past 10 years. The inclusion criteria comprised full-text studies investigating low-power lasers and/or light-emitting diodes (LEDs) in in vitro or in vivo models, as well as clinical trials. We excluded studies discussing alternative melasma therapies or lacking experimental data. We identified additional studies by searching the reference lists of the selected articles. RESULTS We identified nine relevant studies. Clinical studies, in agreement with in vitro experiments and animal models, suggest that PBM effectively reduces melasma-associated hyperpigmentation. Specific wavelengths (red: 630 nm; amber: 585 and 590 nm; infrared: 830 and 850 nm) at radiant exposures between 1 and 20 J/cm2 exert modulatory effects on tyrosinase activity, gene expression, and protein synthesis of melanocytic pathway components, and thus significantly reduce the melanin content. Additionally, PBM is effective in improving the dermal structure and reducing erythema and neovascularization, features recently identified as pathological components of melasma. CONCLUSION PBM emerges as a promising, contemporary, and non-invasive procedure for treating melasma. Beyond its role in inhibiting melanogenesis, PBM shows potential in reducing erythema and vascularization and improving dermal conditions. However, robust and well-designed clinical trials are needed to determine optimal light parameters and to evaluate the effects of PBM on melasma thoroughly.
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Affiliation(s)
- Thais Rodrigues Galache
- Postgraduate Program in Biophotonics Medicine, Universidade Nove de Julho, UNINOVE, São Paulo, SP, Brazil
| | - Michelle Mota Sena
- Postgraduate Program in Biophotonics Medicine, Universidade Nove de Julho, UNINOVE, São Paulo, SP, Brazil
| | | | - Christiane Pavani
- Postgraduate Program in Biophotonics Medicine, Universidade Nove de Julho, UNINOVE, São Paulo, SP, Brazil
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12
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Minoretti P, Santiago Sáez A, Liaño Riera M, Gómez Serrano M, García Martín Á. Topically Applied Magnetized Saline Water Improves Skin Biophysical Parameters Through Autophagy Activation: A Pilot Study. Cureus 2023; 15:e49180. [PMID: 38130575 PMCID: PMC10734659 DOI: 10.7759/cureus.49180] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/21/2023] [Indexed: 12/23/2023] Open
Abstract
Background Water exposed to a magnetic field exhibits several changes in its properties, such as increased electrical conductivity, reduced density, and low surface tension. Additionally, it has reduced dissolved oxygen levels and becomes more alkaline. Previous experimental studies have demonstrated that exposure to saline alkaline water leads to a dose-dependent increase in the expression of autophagy-related genes. Here, we hypothesize that the topical application of magnetized alkaline water to the skin can activate autophagy and improve cutaneous biophysical parameters, making it a promising strategy for enhancing skin aesthetics. Methods Two distinct substudies were undertaken. Firstly, a 12-week, uncontrolled, open-label investigation was conducted with 20 females who desired to enhance the appearance of their facial and neck skin. Secondly, a molecular study was carried out on a subset of 10 females to investigate the serum's impact on two autophagy markers (Beclin-1 and mammalian/mechanistic target of rapamycin {mTOR}) in skin biopsies taken from the posterior neck area below the hair attachment line. Results After a period of 12 weeks, the application of the serum resulted in significant improvements in skin hydration within the stratum corneum (56 ± 14 arbitrary units {a.u.}) compared to the baseline measurement (47 ± 12 a.u.; p < 0.001). Moreover, the transepidermal water loss (TEWL) decreased from 14 ± 2 g/m2/hour to 11 ± 3 g/m2/hour (p < 0.001). The results also revealed a notable reduction in sebum content from 38 ± 7 µg/cm2 to 30 ± 4 µg/cm2 after the 12-week period of serum application (<0.001). Additionally, the melanin index (p < 0.01) and erythema index (p < 0.001) were both significantly lower at 12 weeks compared to baseline. The molecular study showed a 38% increase in Beclin-1 levels after 12 weeks of serum application on the posterior neck area, as measured from skin biopsies. In contrast, mTOR levels decreased by 24% from baseline to 12 weeks. Conclusion The application of magnetized saline water topically, within a serum formulation, shows potential in improving skin biophysical parameters for females seeking to enhance the appearance of their facial and neck skin. These beneficial effects are achieved through the activation of cutaneous autophagy, as evidenced by an increase in Beclin-1 expression and a decrease in mTOR content in the skin.
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Affiliation(s)
| | - Andrés Santiago Sáez
- Legal Medicine, Hospital Clinico San Carlos, Madrid, ESP
- Legal Medicine, Psychiatry, and Pathology, Complutense University of Madrid, Madrid, ESP
| | - Miryam Liaño Riera
- Legal Medicine, Psychiatry, and Pathology, Complutense University of Madrid, Madrid, ESP
| | - Manuel Gómez Serrano
- Legal Medicine, Psychiatry, and Pathology, Complutense University of Madrid, Madrid, ESP
| | - Ángel García Martín
- Legal Medicine, Psychiatry, and Pathology, Complutense University of Madrid, Madrid, ESP
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13
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Kawaguchi K, Watanabe M, Furukawa S, Koga K, Kanamori H, Ikemoto MJ, Takashima S, Maeda M, Oh-Hashi K, Hirata Y, Furuta K, Takemori H. Intermittent inhibition of FYVE finger-containing phosphoinositide kinase induces melanosome degradation in B16F10 melanoma cells. Mol Biol Rep 2023:10.1007/s11033-023-08536-9. [PMID: 37248430 DOI: 10.1007/s11033-023-08536-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2022] [Accepted: 05/17/2023] [Indexed: 05/31/2023]
Abstract
BACKGROUND Melanosomes are lysosome-related organelles that contain melanogenic factors and synthesize melanin as they mature. FYVE finger-containing phosphoinositide kinase (PIKfyve) regulates late endosome and lysosome morphology, vesicle trafficking, and autophagy. In melanocytes, PIKfyve inhibition has been reported to induce hypopigmentation due to impairments in the metabolism of early-stage melanosomes. METHODS AND RESULTS Here, we report a new type of melanosome metabolism: post-PIKfyve inhibition, which was found during the characterization of the endosome/lysosome fluoroprobe GIF-2250. In B16F10 mouse melanoma cells, GIF-2250 highlighted vesicles positive for lysosomal-associated membrane protein 1 (lysosome marker) and other endosome/lysosome markers (CD63 and Rab7/9). When cells were continuously treated with PIKfyve inhibitors, intracellular vacuoles formed, while GIF-2250 fluorescence signals diminished and were diffusely distributed in the vacuoles. After removal of the PIKfyve inhibitors, the GIF-2250 signal intensity was restored, and some GIF-2250-positive vesicles wrapped the melanosomes, which spun at high speed. In addition, intermittent PIKfyve inhibition caused melanin diffusion in the vacuoles and possible leakage into the cytoplasmic compartments, and melanosome degradation was detected by a transmission electron microscope. Melanosome degradation was accompanied by decreased levels of melanin synthesis enzymes and increased levels of the autophagosome maker LC3BII, which is also associated with early melanosomes. However, the protein levels of p62, which is degraded during autophagy, were increased, suggesting an impairment in autophagy flux during intermittent PIKfyve inhibition. Moreover, the autophagy inhibitor 3-methyladenine does not affect these protein levels, suggesting that the melanosome degradation by the intermittent inhibition of PIKfyve is not mediated by canonical autophagy. CONCLUSIONS In conclusion, disturbance of PIKfyve activity induces melanosome degradation in a canonical autophagy-independent manner.
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Affiliation(s)
- Kyoka Kawaguchi
- Department of Chemistry and Biomolecular Science, Faculty of Engineering, Gifu University, 1-1 Yanagido, Gifu, 501-1193, Japan
| | - Miyu Watanabe
- Department of Chemistry and Biomolecular Science, Faculty of Engineering, Gifu University, 1-1 Yanagido, Gifu, 501-1193, Japan
| | - Saho Furukawa
- Department of Chemistry and Biomolecular Science, Faculty of Engineering, Gifu University, 1-1 Yanagido, Gifu, 501-1193, Japan
| | - Kenichi Koga
- Department of Chemistry and Biomolecular Science, Faculty of Engineering, Gifu University, 1-1 Yanagido, Gifu, 501-1193, Japan
| | - Hiromitsu Kanamori
- Department of Cardiology, Gifu University Graduate School of Medicine, Gifu University, 1-1 Yanagido, Gifu, 501-1193, Japan
| | - Mitsushi J Ikemoto
- Health and Medical Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba Central 6, 1-1-1 Higashi, Tsukuba, 305-8566, Ibaraki, Japan
- Graduate School of Science, Toho University, 2-2-1 Miyama, Funabashi, 274-8510, Chiba, Japan
- Advanced Research Initiative for Human High Performance (ARIHHP), Faculty of Health and Sports Sciences, University of Tsukuba, Tsukuba, 305-8574, Japan
| | - Shigeo Takashima
- Institute for Glycocore Research (iGCORE), Gifu University, 1-1 Yanagido, Gifu, 501-1193, Japan
- The United Graduate School of Drug Discovery and Medical Information Sciences of Gifu University, 1-1 Yanagido, Gifu, 501-1193, Japan
| | - Miwa Maeda
- Department of Chemistry and Biomolecular Science, Faculty of Engineering, Gifu University, 1-1 Yanagido, Gifu, 501-1193, Japan
| | - Kentaro Oh-Hashi
- Department of Chemistry and Biomolecular Science, Faculty of Engineering, Gifu University, 1-1 Yanagido, Gifu, 501-1193, Japan
- The United Graduate School of Drug Discovery and Medical Information Sciences of Gifu University, 1-1 Yanagido, Gifu, 501-1193, Japan
| | - Yoko Hirata
- Department of Chemistry and Biomolecular Science, Faculty of Engineering, Gifu University, 1-1 Yanagido, Gifu, 501-1193, Japan
- The United Graduate School of Drug Discovery and Medical Information Sciences of Gifu University, 1-1 Yanagido, Gifu, 501-1193, Japan
| | - Kyoji Furuta
- Department of Chemistry and Biomolecular Science, Faculty of Engineering, Gifu University, 1-1 Yanagido, Gifu, 501-1193, Japan
- The United Graduate School of Drug Discovery and Medical Information Sciences of Gifu University, 1-1 Yanagido, Gifu, 501-1193, Japan
| | - Hiroshi Takemori
- Department of Chemistry and Biomolecular Science, Faculty of Engineering, Gifu University, 1-1 Yanagido, Gifu, 501-1193, Japan.
- The United Graduate School of Drug Discovery and Medical Information Sciences of Gifu University, 1-1 Yanagido, Gifu, 501-1193, Japan.
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Alam MB, Park NH, Song BR, Lee SH. Antioxidant Potential-Rich Betel Leaves ( Piper betle L.) Exert Depigmenting Action by Triggering Autophagy and Downregulating MITF/Tyrosinase In Vitro and In Vivo. Antioxidants (Basel) 2023; 12:antiox12020374. [PMID: 36829933 PMCID: PMC9952209 DOI: 10.3390/antiox12020374] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2022] [Revised: 01/25/2023] [Accepted: 01/29/2023] [Indexed: 02/09/2023] Open
Abstract
Each individual has a unique skin tone based on the types and quantities of melanin pigment, and oxidative stress is a key element in melanogenesis regulation. This research sought to understand the in vitro and in vivo antioxidant and depigmenting properties of betel leaves (Piper betle L.) extract (PBL) and the underlying mechanism. Ethyl acetate fractions of PBL (PBLA) demonstrated excellent phenolic content (342 ± 4.02 mgGAE/g) and strong DPPH, ABTS radicals, and nitric oxide (NO) scavenging activity with an IC50 value of 41.52 ± 1.02 μg/mL, 45.60 ± 0.56 μg/mL, and 51.42 ± 1.25 μg/mL, respectively. Contrarily, ethanolic extract of PBL (PBLE) showed potent mushroom, mice, and human tyrosinase inhibition activity (IC50 = 7.72 ± 0.98 μg/mL, 20.59 ± 0.83 μg/mL and 24.78 ± 0.56 μg/mL, respectively). According to gas chromatography-mass spectrometry, PBL is abundant in caryophyllene, eugenol, O-eugenol, 3-Allyl-6-methoxyphenyl acetate, and chavicol. An in vitro and in vivo investigation showed that PBLE suppressed tyrosinase (Tyr), tyrosinase-related protein-1 and -2 (Trp-1 and Trp-2), and microphthalmia-associated transcription factors (MITF), decreasing the formation of melanin in contrast to the untreated control. PBLE reduced the cyclic adenosine monophosphate (cAMP) response to an element-binding protein (CREB) phosphorylation by preventing the synthesis of cAMP. Additionally, it activates c-Jun N-terminal kinase (JNK) and p38 mitogen-activated protein kinases (p38), destroying Tyr and MITF and avoiding melanin production. Higher levels of microtubule-associated protein-light chain 3 (LC3-II), autophagy-related protein 5 (Atg5), Beclin 1, and lower levels of p62 demonstrate that PBLE exhibits significant anti-melanogenic effects via an autophagy-induction mechanism, both in vitro and in vivo. Additionally, PBLE significantly reduced the amount of lipid peroxidation while increasing the activity of several antioxidant enzymes in vivo, such as catalase, glutathione, superoxide dismutase, and thioredoxin. PBLE can therefore be employed in topical formulations as a potent skin-whitening agent.
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Affiliation(s)
- Md Badrul Alam
- Department of Food Science and Biotechnology, Graduate School, Kyungpook National University, Daegu 41566, Republic of Korea
- Food and Bio-Industry Research Institute, Inner Beauty/Antiaging Center, Kyungpook National University, Daegu 41566, Republic of Korea
| | - Na Hyun Park
- Department of Food Science and Biotechnology, Graduate School, Kyungpook National University, Daegu 41566, Republic of Korea
| | - Bo-Rim Song
- Department of Food Science and Biotechnology, Graduate School, Kyungpook National University, Daegu 41566, Republic of Korea
| | - Sang-Han Lee
- Department of Food Science and Biotechnology, Graduate School, Kyungpook National University, Daegu 41566, Republic of Korea
- Food and Bio-Industry Research Institute, Inner Beauty/Antiaging Center, Kyungpook National University, Daegu 41566, Republic of Korea
- Correspondence: ; Tel.: +82-053-950-7754
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15
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Choi MH, Yang SH, Kim DS, Kim ND, Shin HJ. Ethyl Gallate Isolated from Castanopsis cuspidata var. sieboldii Branches Inhibits Melanogenesis and Promotes Autophagy in B16F10 Cells. Antioxidants (Basel) 2023; 12:antiox12020269. [PMID: 36829827 PMCID: PMC9952331 DOI: 10.3390/antiox12020269] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2023] [Revised: 01/20/2023] [Accepted: 01/23/2023] [Indexed: 01/27/2023] Open
Abstract
The Castanopsis cuspidata var. sieboldii (CCS) plant grows predominantly in temperate regions of Asian countries, such as South Korea. Research on CCS has so far concentrated on the nutritional analysis, antioxidant activity, and anti-inflammation properties of its branches. However, the isolation of compounds and structural elucidation of effective single molecules remain unexplored, necessitating further exploration of CCS branches. Therefore, this study demonstrates the antioxidant and antimelanogenic activity of a single substance of ethyl gallate (EG) isolated from CCS branch extracts. Notably, the antimelanogenic (whitening) activity of EG extracted from CCS branches remains unexplored. Tyrosinase inhibition, kinetic enzyme assays, and molecular docking studies were conducted using mushroom tyrosinase in order to examine the antioxidant mechanism and antimelanin activity of EG in B16F10 melanoma cells. Nontoxic EG concentrations were found to be below 5 µg/mL. While EG significantly reduced the levels of whitening-associated proteins, p-CREB, and p-PKA, it dose-dependently inhibited the expression of TYR, TRP-1, TRP-2, and transcription factor (MITF). In addition, EG downregulated melanogenetic gene expression and activated autophagy signals. Therefore, EG extracted from CCS branches could serve as a novel functional cosmetic material with antimelanogenic and autophagy-enhancing activity.
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Affiliation(s)
- Moon-Hee Choi
- Department of Beauty and Cosmetology, Graduate School of Industrial Technology and Entrepreneurship, Chosun University, Gwangju 61452, Republic of Korea
| | - Seung-Hwa Yang
- Department of Chemical Engineering, Graduate School of Chosun University, Gwangju 61452, Republic of Korea
| | - Da-Song Kim
- Department of Chemical Engineering, Graduate School of Chosun University, Gwangju 61452, Republic of Korea
| | - Nam-Doo Kim
- VORONOI BIO Inc., Incheon 21984, Republic of Korea
| | - Hyun-Jae Shin
- Department of Beauty and Cosmetology, Graduate School of Industrial Technology and Entrepreneurship, Chosun University, Gwangju 61452, Republic of Korea
- Department of Chemical Engineering, Graduate School of Chosun University, Gwangju 61452, Republic of Korea
- Correspondence: ; Tel.: +82-62-230-7518
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16
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Bouhoute M, Amen Y, Bejaoui M, Mizushima AKO, Shimizu K, Isoda H. New Butyroside D from Argan Press Cake Possess Anti-Melanogenesis Effect via MITF Downregulation in B16F10 and HEM Cells. Int J Mol Sci 2022; 23:ijms232416021. [PMID: 36555664 PMCID: PMC9785346 DOI: 10.3390/ijms232416021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2022] [Revised: 12/13/2022] [Accepted: 12/14/2022] [Indexed: 12/23/2022] Open
Abstract
Hyperpigmentation is a skin condition where patches of skin become darker in color due to excess melanin production upon UV exposure leading to melasma, which are lentigines or post inflammatory hyperpigmentation that psychologically affecting a great number of people. The present study investigates the anti-melanogenic effect of Butyroside D and the underling mechanism. After the confirmation of the non-cytotoxic effect of Butyroside D on B16F10 cells, we proceeded with analyzing the impact of the treatment at low and high concentration (i.e., 0.2 μM and 2 μM) using gene profiling analysis and examined the differentiation in gene expression. Our results identify cyclic adenosine monophosphate (cAMP), Wnt/β-catenin and Mitogen-Activated Protein Kinase (MAPK) signaling pathways to be downregulated upon treatment with Butyroside D. These pathways were targeted to further validate the effect of Butyroside D on membrane receptors melanocortin 1 receptor (MC1R) and receptor tyrosine kinase (c-Kit), related microphthalmia-associated transcription factor (MITF) and consequently tyrosinase (TYR), and tyrosine-related protein-1 (TYRP-1) that were all shown to be downregulated and, therefore, leading to the repression of melanin biosynthesis. Finally, the anti-melanogenic effect of Butyroside D was confirmed on human epidermal melanocytes (HEM) cells by inhibiting the activation of cAMP pathway generally mediated through α-melanocyte-stimulating hormone (α-MSH) and MC1R. Overall, this study suggests the potential applicability of this purified compound for the prevention of hyperpigmentation conditions.
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Affiliation(s)
- Meryem Bouhoute
- Alliance for Research on the Mediterranean and North Africa (ARENA), University of Tsukuba, Tsukuba 305-0006, Japan
| | - Yhiya Amen
- Department of Agro-Environmental Sciences, Faculty of Agriculture, Kyushu University, Fukuoka 819-0395, Japan
- Department of Pharmacognosy, Faculty of Pharmacy, Mansoura University, Mansoura 35516, Egypt
| | - Meriem Bejaoui
- Alliance for Research on the Mediterranean and North Africa (ARENA), University of Tsukuba, Tsukuba 305-0006, Japan
- Research and Development Center for Tailor-Made QOL Program, University of Tsukuba, Tsukuba 305-8550, Japan
| | - Aprill Kee Oliva Mizushima
- Alliance for Research on the Mediterranean and North Africa (ARENA), University of Tsukuba, Tsukuba 305-0006, Japan
- Research and Development Center for Tailor-Made QOL Program, University of Tsukuba, Tsukuba 305-8550, Japan
| | - Kuniyoshi Shimizu
- Department of Agro-Environmental Sciences, Faculty of Agriculture, Kyushu University, Fukuoka 819-0395, Japan
| | - Hiroko Isoda
- Alliance for Research on the Mediterranean and North Africa (ARENA), University of Tsukuba, Tsukuba 305-0006, Japan
- Research and Development Center for Tailor-Made QOL Program, University of Tsukuba, Tsukuba 305-8550, Japan
- Faculty of Life and Environmental Sciences, University of Tsukuba, Tsukuba 305-8577, Japan
- Correspondence:
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17
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WANG B, AN X, QU L, WANG F. Review on oral plant extracts in Skin Whitening. FOOD SCIENCE AND TECHNOLOGY 2022. [DOI: 10.1590/fst.83922] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Affiliation(s)
- Bo WANG
- Shanghai Jiyan Bio-pharmaceutical Co., China; Yunnan Botanee Bio-technology Group Co., China
| | - Xiaohong AN
- Shanghai Jiyan Bio-pharmaceutical Co., China; Yunnan Botanee Bio-technology Group Co., China
| | - Liping QU
- Shanghai Jiyan Bio-pharmaceutical Co., China; Yunnan Botanee Bio-technology Group Co., China; Botaneen Research Institute, China
| | - Feifei WANG
- Shanghai Jiyan Bio-pharmaceutical Co., China; Yunnan Botanee Bio-technology Group Co., China; Botaneen Research Institute, China
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