1
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Govindasamy B, Muthu M, Gopal J, Chun S. A review on the impact of TRAIL on cancer signaling and targeting via phytochemicals for possible cancer therapy. Int J Biol Macromol 2023; 253:127162. [PMID: 37788732 DOI: 10.1016/j.ijbiomac.2023.127162] [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: 10/27/2022] [Revised: 09/11/2023] [Accepted: 09/28/2023] [Indexed: 10/05/2023]
Abstract
Anticancer therapies have been the continual pursuit of this age. Cancer has been ravaging all across the globe breathing not just threats but demonstrating them. Remedies for cancer have been frantically sought after. Few have worked out, yet till date, the available cancer therapies have not delivered a holistic solution. In a world where the search for therapies is levitating towards natural remedies, solutions based on phytochemicals are highly prospective attractions. A lot has been achieved with inputs from plant resources, providing numerous natural remedies. In the current review, we intensely survey the progress achieved in the treatment of cancer through phytochemicals-based programmed cell death of cancer cells. More specifically, we have further reviewed and discussed the role of phytochemicals in activating apoptosis via Tumor Necrosis Factor-Alpha-Related Apoptosis-Inducing Ligand (TRAIL), which is a cell protein that can attach to certain molecules in cancer cells, killing cancer cells. The objective of this review is to enlist the various phytochemicals that are available for specifically contributing towards triggering the TRAIL cell protein-mediated cancer therapy and to point out the research gaps that require future research motivation. This is the first review of this kind in this research direction.
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Affiliation(s)
- Balasubramani Govindasamy
- Department of Product Development, Saveetha School of Engineering, Saveetha Institute of Medical and Technical Sciences (SIMATS), Thandalam, Chennai 602105, India
| | - Manikandan Muthu
- Department of Research and Innovation, Saveetha School of Engineering, Saveetha Institute of Medical and Technical Sciences (SIMATS), Thandalam, Chennai 602105, India
| | - Judy Gopal
- Department of Research and Innovation, Saveetha School of Engineering, Saveetha Institute of Medical and Technical Sciences (SIMATS), Thandalam, Chennai 602105, India
| | - Sechul Chun
- Department of Bioresources and Food Science, Institute of Natural Science and Agriculture, Konkuk University, 1 Hwayang-dong, Gwangjin-gu, Seoul 05029, Republic of Korea.
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2
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Zolghadri S, Beygi M, Mohammad TF, Alijanianzadeh M, Pillaiyar T, Garcia-Molina P, Garcia-Canovas F, Luis Munoz-Munoz J, Akbar Saboury A. Targeting Tyrosinase in Hyperpigmentation: Current Status, Limitations and Future Promises. Biochem Pharmacol 2023; 212:115574. [PMID: 37127249 DOI: 10.1016/j.bcp.2023.115574] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2023] [Revised: 04/21/2023] [Accepted: 04/24/2023] [Indexed: 05/03/2023]
Abstract
Hyperpigmentation is a common and distressing dermatologic condition. Since tyrosinase (TYR) plays an essential role in melanogenesis, its inhibition is considered a logical approach along with other therapeutic methods to prevent the accumulation of melanin in the skin. Thus, TYR inhibitors are a tempting target as the medicinal and cosmetic active agents of hyperpigmentation disorder. Among TYR inhibitors, hydroquinone is a traditional lightening agent that is commonly used in clinical practice. However, despite good efficacy, prolonged use of hydroquinone is associated with side effects. To overcome these shortcomings, new approaches in targeting TYR and treating hyperpigmentation are desperately requiredessentialneeded. In line with this purpose, several non-hydroquinone lightening agents have been developed and suggested as hydroquinone alternatives. In addition to traditional approaches, nanomedicine and nanotheranostic platforms have been recently proposed in the treatment of hyperpigmentation. In this review, we discuss the available strategies for the management of hyperpigmentation with a focus on TYR inhibition. In addition, alternative treatment options to hydroquinone are discussed. Finally, we present nano-based strategies to improve the therapeutic effect of drugs prescribed to patients with skin disorders.
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Affiliation(s)
- Samaneh Zolghadri
- Department of Biology, Jahrom Branch, Islamic Azad University, Jahrom, Iran.
| | - Mohammad Beygi
- Department of Agricultural Biotechnology, College of Agriculture, Isfahan University of Technology, Isfahan, Iran
| | | | - Mahdi Alijanianzadeh
- Department of Cell & Molecular Biology, Faculty of Biological Sciences, Kharazmi University, Tehran, Iran
| | - Thanigaimalai Pillaiyar
- Institute of Pharmacy, Pharmaceutical/Medicinal Chemistry and Tuebingen Center for Academic Drug Discovery, Eberhard Karls University Tübingen, Auf der Morgenstelle 8, 72076 Tübingen, Germany
| | - Pablo Garcia-Molina
- GENZ-Group of Research on Enzymology, Department of Biochemistry and Molecular Biology-A, Regional Campus of International Excellence "Campus Mare Nostrum", University of Murcia, Espinardo, Murcia, Spain
| | - Francisco Garcia-Canovas
- GENZ-Group of Research on Enzymology, Department of Biochemistry and Molecular Biology-A, Regional Campus of International Excellence "Campus Mare Nostrum", University of Murcia, Espinardo, Murcia, Spain
| | - Jose Luis Munoz-Munoz
- Microbial Enzymology Lab, Department of Applied Sciences, Ellison Building A, University of Northumbria, Newcastle Upon Tyne, UK
| | - Ali Akbar Saboury
- Institute of Biochemistry and Biophysics, University of Tehran, Tehran, Iran.
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3
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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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4
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Shining Light on Autophagy in Skin Pigmentation and Pigmentary Disorders. Cells 2022; 11:cells11192999. [PMID: 36230960 PMCID: PMC9563738 DOI: 10.3390/cells11192999] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2022] [Revised: 09/13/2022] [Accepted: 09/23/2022] [Indexed: 01/18/2023] Open
Abstract
Autophagy is a vital process for cell survival and it preserves homeostasis by recycling or disassembling unnecessary or dysfunctional cellular constituents. Autophagy ameliorates skin integrity, regulating epidermal differentiation and constitutive pigmentation. It induces melanogenesis and contributes to skin color through melanosome turnover. Autophagy activity is involved in skin phenotypic plasticity and cell function maintenance and, if altered, it concurs to the onset and/or progression of hypopigmentary and hyperpigmentary disorders. Overexpression of autophagy exerts a protective role against the intrinsic metabolic stress occurring in vitiligo skin, while its dysfunction has been linked to the tuberous sclerosis complex hypopigmentation. Again, autophagy impairment reduces melanosome degradation by concurring to pigment accumulation characterizing senile lentigo and melasma. Here we provide an updated review that describes recent findings on the crucial role of autophagy in skin pigmentation, thus revealing the complex interplay among melanocyte biology, skin environment and autophagy. Hence, targeting this process may also represent a promising strategy for treating pigmentary disorders.
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5
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Merecz-Sadowska A, Sitarek P, Kowalczyk T, Zajdel K, Kucharska E, Zajdel R. The Modulation of Melanogenesis in B16 Cells Upon Treatment with Plant Extracts and Isolated Plant Compounds. Molecules 2022; 27:molecules27144360. [PMID: 35889231 PMCID: PMC9324663 DOI: 10.3390/molecules27144360] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2022] [Revised: 06/22/2022] [Accepted: 07/05/2022] [Indexed: 01/27/2023] Open
Abstract
Plants are a rich source of secondary metabolites that exhibit numerous desired properties. The compounds may influence the biology of melanocytes, pigment cells that produce melanin, by modulating numerous signaling pathways, including cAMP/PKA, MAPKs and PI3K/AKT. Its downstream target is microphthalmia-associated transcription factor, responsible for the expression of the tyrosinase enzyme, which plays a major role in melanogenesis. Therefore, this literature review aims to provide insights related to melanogenesis modulation mechanisms of plant extracts and isolated plant compounds in B16 cells. Database searches were conducted using online-based library search instruments from 2012 to 2022, such as NCBI-PubMed and Google Scholar. Upregulation or downregulation of signaling pathways by phytochemicals can influence skin hypo- and hyperpigmentation by changing the level of melanin production, which may pose a significant cosmetic issue. Therefore, plant extracts or isolated plant compounds may be used in the therapy of pigmentation disorders.
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Affiliation(s)
- Anna Merecz-Sadowska
- Department of Computer Science in Economics, University of Lodz, 90-214 Lodz, Poland;
- Correspondence:
| | - Przemysław Sitarek
- Department of Biology and Pharmaceutical Botany, Medical University of Lodz, 90-151 Lodz, Poland;
| | - Tomasz Kowalczyk
- Department of Molecular Biotechnology and Genetics, University of Lodz, 90-237 Lodz, Poland;
| | - Karolina Zajdel
- Department of Medical Informatics and Statistics, Medical University of Lodz, 90-645 Lodz, Poland;
| | - Ewa Kucharska
- Chair of Gerontology, Geriatrics and Social Work at the Faculty of Pedagogy, Ignatianum Academy in Cracow, 31-501 Cracow, Poland;
| | - Radosław Zajdel
- Department of Computer Science in Economics, University of Lodz, 90-214 Lodz, Poland;
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6
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Lee KW, Kim M, Lee SH, Kim KD. The Function of Autophagy as a Regulator of Melanin Homeostasis. Cells 2022; 11:cells11132085. [PMID: 35805169 PMCID: PMC9265842 DOI: 10.3390/cells11132085] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2022] [Revised: 06/24/2022] [Accepted: 06/28/2022] [Indexed: 12/18/2022] Open
Abstract
Melanosomes are melanocyte-specific organelles that protect cells from ultraviolet (UV)-induced deoxyribonucleic acid damage through the production and accumulation of melanin and are transferred from melanocytes to keratinocytes. The relatively well-known process by which melanin is synthesized from melanocytes is known as melanogenesis. The relationship between melanogenesis and autophagy is attracting the attention of researchers because proteins associated with autophagy, such as WD repeat domain phosphoinositide-interacting protein 1, microtubule-associated protein 1 light chain 3, autophagy-related (ATG)7, ATG4, beclin-1, and UV-radiation resistance-associated gene, contribute to the melanogenesis signaling pathway. Additionally, there are reports that some compounds used as whitening cosmetics materials induce skin depigmentation through autophagy. Thus, the possibility that autophagy is involved in the removal of melanin has been suggested. To date, however, there is a lack of data on melanosome autophagy and its underlying mechanism. This review highlights the importance of autophagy in melanin homeostasis by providing an overview of melanogenesis, autophagy, the autophagy machinery involved in melanogenesis, and natural compounds that induce autophagy-mediated depigmentation.
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Affiliation(s)
- Ki Won Lee
- PMBBRC, Gyeongsang National University, Jinju 52828, Korea;
| | - Minju Kim
- Division of Applied Life Science, Gyeongsang National University, Jinju 52828, Korea; (M.K.); (S.H.L.)
| | - Si Hyeon Lee
- Division of Applied Life Science, Gyeongsang National University, Jinju 52828, Korea; (M.K.); (S.H.L.)
| | - Kwang Dong Kim
- PMBBRC, Gyeongsang National University, Jinju 52828, Korea;
- Division of Applied Life Science, Gyeongsang National University, Jinju 52828, Korea; (M.K.); (S.H.L.)
- Correspondence: ; Tel.: +82-55-772-1365; Fax: +82-55-772-1359
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7
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Amorphigenin from Amorpha fruticosa L. Root Extract Induces Autophagy-Mediated Melanosome Degradation in mTOR-Independent- and AMPK-Dependent Manner. Curr Issues Mol Biol 2022; 44:2856-2867. [PMID: 35877420 PMCID: PMC9318381 DOI: 10.3390/cimb44070196] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2022] [Revised: 06/23/2022] [Accepted: 06/25/2022] [Indexed: 11/17/2022] Open
Abstract
In this study, we investigated the depigmentation effect of Amorpha fruticosa L. root extract (RE), an herbal medicine. A. fruticosa RE significantly induced depigmentation in α-MSH-treated B16F10 cells at noncytotoxic concentrations. Further, the RE decreased the protein levels of the melanosomal proteins Tyr and Pmel without decreasing their transcript levels. We found that MG132, a proteasome complex inhibitor, was unable to rescue the protein levels, but PepA/E-64D (a lysosomal enzyme inhibitor), 3-MA (a representative autophagy inhibitor), and ATG5 knockdown effectively rescued the protein levels and inhibited the depigmentation effect following RE treatment. Among rotenoids, amorphigenin composed in the RE was identified as a functional chemical that could induce depigmentation; whereas rapamycin, an mTOR inhibitor and a nonselective autophagy inducer, could not induce depigmentation, and amorphigenin effectively induced depigmentation through the degradation of melanosomal proteins. Amorphigenin activated AMPK without affecting mTOR, and knockdown of AMPK offset the whitening effect through degradation of melanosome proteins by amorphigenin. Results from this study suggested that amorphigenin can induce degradation of the melanosome through an AMPK-dependent autophagy process, and has the potential to be used as a depigmentation agent for the treatment of hyperpigmentation.
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8
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Jun SL, Sun J, Huo X, Feng Q, Li Y, Xie X, Geng S. Lipopolysaccharide reduces melanin synthesis in vitiligo melanocytes by regulating autophagy. Exp Dermatol 2022; 31:1579-1585. [PMID: 35733278 DOI: 10.1111/exd.14629] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2022] [Revised: 06/07/2022] [Accepted: 06/18/2022] [Indexed: 11/30/2022]
Abstract
Vitiligo is an autoimmune-related disease with a complex aetiology that involves innate immunity. Toll-like receptors (TLRs) are important parts of innate immunity and are related to a variety of autoimmune diseases, including vitiligo, through an unknown mechanism. In this study, we found that the TLR4 gene expression was increased in blood samples of patients with advanced stage vitiligo, and then we evaluated the effect of TLR4 ligand lipopolysaccharide (LPS) on melanin synthesis in a vitiligo melanocyte cell line PIG3V and along with its mechanism. LPS suppressed melanin synthesis, downregulated the expression of melanin synthesis-related proteins, and activated autophagy in vitiligo melanocytes. Inhibiting autophagy with 3-methyladenine or chloroquine blocked these effects. This suggests that LPS inhibits skin pigmentation by modulating autophagy, thus providing novel insights into the pathogenesis of vitiligo.
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Affiliation(s)
- Sun Li Jun
- Department of Dermatology, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China.,Central Laboratory of Shaanxi Provincial People's Hospital, Xi'an, Shaanxi, China
| | - Jingying Sun
- Central Laboratory of Shaanxi Provincial People's Hospital, Xi'an, Shaanxi, China
| | - Xueping Huo
- Central Laboratory of Shaanxi Provincial People's Hospital, Xi'an, Shaanxi, China
| | - Qing Feng
- Central Laboratory of Shaanxi Provincial People's Hospital, Xi'an, Shaanxi, China
| | - Yan Li
- Central Laboratory of Shaanxi Provincial People's Hospital, Xi'an, Shaanxi, China
| | - Xin Xie
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, College of Life Science, Northwest University, Xi'an, Shaanxi, China
| | - Songmei Geng
- Department of Dermatology, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China
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9
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The Ethanol Extract of Musa sapientum Linn. Peel Inhibits Melanogenesis through AKT Signaling Pathway. COSMETICS 2021. [DOI: 10.3390/cosmetics8030070] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
Abstract
Hyperpigmentation caused by melanin overproduction can be induced by UV radiation. The quest for effective depigmenting agents continues because many anti-melanin agents have restricted use and/or produce side-effects. The present study was aimed to investigate the inhibitory activity of Musa sapientum Linn. (AA group) peel ethanol extracts (MPE) on α-melanocyte stimulating hormone (α-MSH)-induced melanin production. In addition, the molecular mechanism related to this process was examined in B16F10 mouse melanoma cells. The results indicated that MPE remarkably inhibited melanogenesis in α-MSH-stimulated B16F10 cells. Microphthalmia-associated transcription factor (MITF) and tyrosinase expressions were suppressed by MPE in a concentration-dependent manner. In addition, MPE significantly decreased the expression of melanosome transfer protein markers (Rab27a and Pmel17) in a dose-dependent manner. This study found that the elevated phosphorylation of AKT in the B16F10 cells was diminished by MPE treatment. Furthermore, microtubule-associated protein 1 light chain 3 (LC3)-II and p62 (autophagy markers) were affected after the B16F10 cells were treated with MPE. This study demonstrated that MPE might be an effective agent for anti-melanogenesis through the AKT pathway, subsequently diminishing MITF expression and tyrosinase enzyme family production. The findings indicated that MPE could potentially serve as a depigmenting agent in cosmeceuticals.
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Rahman MA, Hannan MA, Dash R, Rahman MDH, Islam R, Uddin MJ, Sohag AAM, Rahman MH, Rhim H. Phytochemicals as a Complement to Cancer Chemotherapy: Pharmacological Modulation of the Autophagy-Apoptosis Pathway. Front Pharmacol 2021; 12:639628. [PMID: 34025409 PMCID: PMC8138161 DOI: 10.3389/fphar.2021.639628] [Citation(s) in RCA: 50] [Impact Index Per Article: 16.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2020] [Accepted: 03/18/2021] [Indexed: 12/11/2022] Open
Abstract
Bioactive plant derived compounds are important for a wide range of therapeutic applications, and some display promising anticancer properties. Further evidence suggests that phytochemicals modulate autophagy and apoptosis, the two crucial cellular pathways involved in the underlying pathobiology of cancer development and regulation. Pharmacological targeting of autophagy and apoptosis signaling using phytochemicals therefore offers a promising strategy that is complementary to conventional cancer chemotherapy. In this review, we sought to highlight the molecular basis of the autophagic-apoptotic pathway to understand its implication in the pathobiology of cancer, and explore this fundamental cellular process as a druggable anticancer target. We also aimed to present recent advances and address the limitations faced in the therapeutic development of phytochemical-based anticancer drugs.
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Affiliation(s)
- Md. Ataur Rahman
- Center for Neuroscience, Korea Institute of Science and Technology (KIST), Seoul, South Korea
- Global Biotechnology & Biomedical Research Network (GBBRN), Department of Biotechnology and Genetic Engineering, Faculty of Biological Sciences, Islamic University, Kushtia, Bangladesh
| | - Md. Abdul Hannan
- Department of Anatomy, Dongguk University College of Medicine, Gyeongju, South Korea
- Department of Biochemistry and Molecular Biology, Bangladesh Agricultural University, Mymensingh, Bangladesh
| | - Raju Dash
- Department of Anatomy, Dongguk University College of Medicine, Gyeongju, South Korea
| | - MD. Hasanur Rahman
- Department of Biotechnology and Genetic Engineering, Bangabandhu Sheikh Mujibur Rahman Science and Technology University, Gopalganj, Bangladesh
- Graduate School of Pharmaceutical Sciences, College of Pharmacy, Ewha Womans University, Seoul, South Korea
| | - Rokibul Islam
- Department of Biotechnology and Genetic Engineering, Faculty of Biological Sciences, Islamic University, Kushtia, Bangladesh
- Department of Biochemistry, College of Medicine, Hallym University, Chuncheon-si, South Korea
| | - Md Jamal Uddin
- ABEx Bio-Research Center, Dhaka, Bangladesh
- Graduate School of Pharmaceutical Sciences, College of Pharmacy, Ewha Womans University, Seoul, South Korea
| | - Abdullah Al Mamun Sohag
- Department of Biochemistry and Molecular Biology, Bangladesh Agricultural University, Mymensingh, Bangladesh
| | - Md. Habibur Rahman
- Department of Global Medical Science, Wonju College of Medicine, Yonsei University, Seoul, South Korea
| | - Hyewhon Rhim
- Center for Neuroscience, Korea Institute of Science and Technology (KIST), Seoul, South Korea
- Division of Bio-Medical Science and Technology, KIST School, Korea University of Science and Technology (UST), Seoul, South Korea
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11
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Yang HL, Lin CP, Vudhya Gowrisankar Y, Huang PJ, Chang WL, Shrestha S, Hseu YC. The anti-melanogenic effects of ellagic acid through induction of autophagy in melanocytes and suppression of UVA-activated α-MSH pathways via Nrf2 activation in keratinocytes. Biochem Pharmacol 2021; 185:114454. [PMID: 33545118 DOI: 10.1016/j.bcp.2021.114454] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2020] [Revised: 01/22/2021] [Accepted: 01/25/2021] [Indexed: 12/13/2022]
Abstract
Ellagic acid (EA) is a natural phenol antioxidant in different fruits, vegetables, and nuts. As a copper iron chelator from the tyrosinase enzyme's active site, EA was reported to inhibit melanogenesis in melanocytes. Here, we demonstrated the anti-melanogenic mechanisms of EA through autophagy induction in melanoma B16F10 cells and the role of Nrf2 and UVA (3 J/cm2)-activated α-melanocyte stimulating hormone (α-MSH) pathways in keratinocyte HaCaT cells. In vitro data showed that EA suppressed the tyrosinase activity and melanogenesis by suppressing cAMP-mediated CREB and MITF signaling mechanisms in α-MSH-stimulated B16F10 cells. ERK, JNK, and AKT pathways were involved in this EA-regulated MITF downregulation. Notably, EA induced autophagy in B16F10 cells was evidenced from increased LC3-II accumulation, p62/SQSTM1 activation, ATG4B downregulation, acidic vesicular organelle (AVO) formation, PI3K/AKT/mTOR inhibition, and Beclin-1/Bcl-2 dysregulation. Interestingly, 3-MA (an autophagy inhibitor) pretreatment or LC3 silencing (siRNA transfection) of B16F10 cells significantly reduced EA-induced anti-melanogenic activity. Besides this, in UVA-irradiated keratinocyte HaCaT cells, EA suppressed ROS production and α-MSH generation. Moreover, EA mediated the activation and nuclear translocation of Nrf2, leading to antioxidant γ-GCLC, HO-1, and NQO-1 protein expression in HaCaT cells. However, Nrf2 knockdown has significantly impaired this effect, and there was an uncontrolled ROS generation following UVA irradiation. JNK, PKC, and ROS pathways were involved in the activation of Nrf2 in HaCaT cells. In vivo experiments using the zebrafish model confirmed that EA inhibited tyrosinase activity and endogenous pigmentation. In conclusion, ellagic acid is an effective skin-whitening agent and might be used as a topical applicant.
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Affiliation(s)
- Hsin-Ling Yang
- Institute of Nutrition, College of Healthcare, China Medical University, Taichung 40402, Taiwan
| | - Chia-Pei Lin
- Department of Cosmeceutics, College of Pharmacy, China Medical University, Taichung 40402, Taiwan
| | | | - Pei-Jane Huang
- Department of Health and Nutrition Biotechnology, Asia University, Taichung 41354, Taiwan
| | - Wan-Lin Chang
- Department of Cosmeceutics, College of Pharmacy, China Medical University, Taichung 40402, Taiwan
| | - Sirjana Shrestha
- Institute of Nutrition, College of Healthcare, China Medical University, Taichung 40402, Taiwan
| | - You-Cheng Hseu
- Department of Cosmeceutics, College of Pharmacy, China Medical University, Taichung 40402, Taiwan; Department of Health and Nutrition Biotechnology, Asia University, Taichung 41354, Taiwan; Chinese Medicine Research Center, China Medical University, Taichung 40402, Taiwan; Research Center of Chinese Herbal Medicine, China Medical University, Taichung 40402, Taiwan.
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12
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Lee EJ, Kim J, Jeong MK, Lee YM, Chung YJ, Kim EM. Whitening effect of novel peptide mixture by regulating melanosome biogenesis, transfer and degradation. THE KOREAN JOURNAL OF PHYSIOLOGY & PHARMACOLOGY : OFFICIAL JOURNAL OF THE KOREAN PHYSIOLOGICAL SOCIETY AND THE KOREAN SOCIETY OF PHARMACOLOGY 2021; 25:15-26. [PMID: 33361534 PMCID: PMC7756534 DOI: 10.4196/kjpp.2021.25.1.15] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/02/2020] [Revised: 10/23/2020] [Accepted: 10/23/2020] [Indexed: 12/22/2022]
Abstract
Peptides are short chain of amino acids linked by peptide bonds. They are widely used as effective and biocompatible active ingredients in cosmetic industry. In this study, we developed novel peptide mixture and identified its anti-pigmentation effect on melanocytes and keratinocytes. Our results revealed that peptide mixture inhibited melanosome biogenesis through the regulation of microphthalmia-associated transcription factor, a key factor of melanogenesis in melanocytes. And we observed that peptide mixture inhibited melanosome uptake through the reduction of protease-activated receptor 2, a phagocytosis-related receptor in keratinocytes. Furthermore, peptide mixture activated autophagy system resulting in degradation of transferred melanosomes in keratinocytes. The anti-pigmentation effect of multi-targeting peptide mixture was assessed in a human skin equivalent model (MelanoDerm). Melanin contents in epidermal layer were significantly decreased by topical treatment of peptide mixture, suggesting that it can be applied as a novel cosmetics material having a whitening function.
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Affiliation(s)
| | - Jandi Kim
- Caregen R&D Center, Anyang 14119, Korea
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13
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Tian X, Cui Z, Liu S, Zhou J, Cui R. Melanosome transport and regulation in development and disease. Pharmacol Ther 2020; 219:107707. [PMID: 33075361 DOI: 10.1016/j.pharmthera.2020.107707] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2020] [Revised: 10/10/2020] [Accepted: 10/13/2020] [Indexed: 02/06/2023]
Abstract
Melanosomes are specialized membrane-bound organelles that synthesize and organize melanin, ultimately providing color to the skin, hair, and eyes. Disorders in melanogenesis and melanosome transport are linked to pigmentary diseases, such as Hermansky-Pudlak syndrome, Chediak-Higashi syndrome, and Griscelli syndrome. Clinical cases of these pigmentary diseases shed light on the molecular mechanisms that control melanosome-related pathways. However, only an improved understanding of melanogenesis and melanosome transport will further the development of diagnostic and therapeutic approaches. Herein, we review the current literature surrounding melanosomes with particular emphasis on melanosome membrane transport and cytoskeleton-mediated melanosome transport. We also provide perspectives on melanosome regulatory mechanisms which include hormonal action, inflammation, autophagy, and organelle interactions.
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Affiliation(s)
- Xiaoyu Tian
- Institute of Biomedical Sciences, Shandong Provincial Key Laboratory of Animal Resistance Biology, Collaborative Innovation Center of Cell Biology in Universities of Shandong, College of Life Sciences, Shandong Normal University, Jinan 250014, China
| | - Ziyong Cui
- Harvard College, Cambridge, MA 02138, United States of America
| | - Song Liu
- Institute of Biomedical Sciences, Shandong Provincial Key Laboratory of Animal Resistance Biology, Collaborative Innovation Center of Cell Biology in Universities of Shandong, College of Life Sciences, Shandong Normal University, Jinan 250014, China
| | - Jun Zhou
- Institute of Biomedical Sciences, Shandong Provincial Key Laboratory of Animal Resistance Biology, Collaborative Innovation Center of Cell Biology in Universities of Shandong, College of Life Sciences, Shandong Normal University, Jinan 250014, China; State Key Laboratory of Medicinal Chemical Biology, College of Life Sciences, Nankai University, Tianjin 300071, China.
| | - Rutao Cui
- Skin Disease Research Institute, The 2nd Hospital, Zhejiang University, Hangzhou 310058, China.
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14
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Park HJ, Jo DS, Choi DS, Bae JE, Park NY, Kim JB, Chang JH, Shin JJ, Cho DH. Ursolic acid inhibits pigmentation by increasing melanosomal autophagy in B16F1 cells. Biochem Biophys Res Commun 2020; 531:209-214. [PMID: 32792197 DOI: 10.1016/j.bbrc.2020.07.125] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2020] [Accepted: 07/26/2020] [Indexed: 02/08/2023]
Abstract
Melanosomes are specialized membrane-bound organelles that are involved in melanin synthesis. Unlike melanosome biogenesis, the melanosome degradation pathway is poorly understood. Among the cellular processes, autophagy controls degradation of intracellular components by cooperating with lysosomes. In this study, we showed that ursolic acid inhibits skin pigmentation by promoting melanosomal autophagy, or melanophagy, in melanocytes. We found that B16F1 cells treated with ursolic acid suppressed alpha-melanocyte stimulating hormone (α-MSH) stimulated increase in melanin content and activated autophagy. In addition, we found that treatment with ursolic acid promotes melanosomal degradation, and bafilomycin A1 inhibition of autophagosome-lysosome fusion blocked the removal of melanosomes in α-MSH-stimulated B16F1 cells. Furthermore, depletion of the autophagy-related gene 5 (ATG5) resulted in significant suppression of ursolic acid-mediated anti-pigmentation activity and autophagy in α-MSH-treated B16F1 cells. Taken together, our results suggest that ursolic acid inhibits skin pigmentation by increasing melanosomal degradation in melanocytes.
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Affiliation(s)
- Hyun Jun Park
- School of Life Sciences, Kyungpook National University, Daegu, 41566, Republic of Korea
| | - Doo Sin Jo
- Brain Science and Engineering Institute, Kyungpook National University, Daegu, 41566, Republic of Korea
| | - Dong Sig Choi
- T.E.N. Co., Ltd., Yongin, Gyeonggi-do, 17015, Republic of Korea
| | - Ji-Eun Bae
- Brain Science and Engineering Institute, Kyungpook National University, Daegu, 41566, Republic of Korea
| | - Na Yeon Park
- School of Life Sciences, Kyungpook National University, Daegu, 41566, Republic of Korea
| | - Jun-Bum Kim
- School of Life Sciences, Kyungpook National University, Daegu, 41566, Republic of Korea
| | - Jeong Ho Chang
- Department of Biology Education, Kyungpook National University, Daegu, 41566, Republic of Korea
| | - Joong Jin Shin
- T.E.N. Co., Ltd., Yongin, Gyeonggi-do, 17015, Republic of Korea.
| | - Dong-Hyung Cho
- School of Life Sciences, Kyungpook National University, Daegu, 41566, Republic of Korea.
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15
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Zhao N, Su X, Wang Y, Chen J, Zhuang W. Traditional Chinese Herbal Medicine for Whitening. Nat Prod Commun 2020. [DOI: 10.1177/1934578x20905148] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023] Open
Abstract
Melanin is the chief pigment responsible for the pigmentation of human skin. Increasing evidence indicates that traditional Chinese drugs with skin-whitening effects are attracting the attention of consumers and researchers because they are perceived to be milder, safer, and healthier than synthetic alternatives. This commentary summarizes the current research on Chinese herbal medicines that inhibit melanin and their biological activities. The findings presented in this study suggest that these traditional Chinese herbal medicines might be potential candidates for novel skin-whitening agents.
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Affiliation(s)
- Na Zhao
- Department of Molecular Biology Test Technique, College of Medical Technology, Beihua University, Jilin, China
| | - Xiaoming Su
- Department of Molecular Biology Test Technique, College of Medical Technology, Beihua University, Jilin, China
| | - Yueyang Wang
- Department of Molecular Biology Test Technique, College of Medical Technology, Beihua University, Jilin, China
| | - Jianguang Chen
- Department of Pharmacology, College of Pharmacy, Beihua University, Jilin, China
| | - Wenyue Zhuang
- Department of Molecular Biology Test Technique, College of Medical Technology, Beihua University, Jilin, China
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16
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Kim PS, Shin JH, Jo DS, Shin DW, Choi DH, Kim WJ, Park K, Kim JK, Joo CG, Lee JS, Choi Y, Shin YW, Shin JJ, Jeon HB, Seo JH, Cho DH. Anti-melanogenic activity of schaftoside in Rhizoma Arisaematis by increasing autophagy in B16F1 cells. Biochem Biophys Res Commun 2018; 503:309-315. [DOI: 10.1016/j.bbrc.2018.06.021] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2018] [Accepted: 06/07/2018] [Indexed: 01/06/2023]
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17
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Moosavi MA, Haghi A, Rahmati M, Taniguchi H, Mocan A, Echeverría J, Gupta VK, Tzvetkov NT, Atanasov AG. Phytochemicals as potent modulators of autophagy for cancer therapy. Cancer Lett 2018; 424:46-69. [PMID: 29474859 DOI: 10.1016/j.canlet.2018.02.030] [Citation(s) in RCA: 71] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2017] [Revised: 02/18/2018] [Accepted: 02/19/2018] [Indexed: 02/07/2023]
Abstract
The dysregulation of autophagy is involved in the pathogenesis of a broad range of diseases, and accordingly universal research efforts have focused on exploring novel compounds with autophagy-modulating properties. While a number of synthetic autophagy modulators have been identified as promising cancer therapy candidates, autophagy-modulating phytochemicals have also attracted attention as potential treatments with minimal side effects. In this review, we firstly highlight the importance of autophagy and its relevance in the pathogenesis and treatment of cancer. Subsequently, we present the data on common phytochemicals and their mechanism of action as autophagy modulators. Finally, we discuss the challenges associated with harnessing the autophagic potential of phytochemicals for cancer therapy.
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Affiliation(s)
- Mohammad Amin Moosavi
- Department of Molecular Medicine, National Institute of Genetic Engineering and Biotechnology, P.O Box:14965/161, Tehran, Iran.
| | - Atousa Haghi
- Young Researchers & Elite Club, Pharmaceutical Sciences Branch, Islamic Azad University, Tehran, Iran
| | - Marveh Rahmati
- Cancer Biology Research Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Hiroaki Taniguchi
- Institute of Genetics and Animal Breeding of the Polish Academy of Sciences, 05-552 Jastrzebiec, Poland
| | - Andrei Mocan
- Department of Pharmaceutical Botany, "Iuliu Haţieganu" University of Medicine and Pharmacy, Gheorghe Marinescu 23 Street, 400337 Cluj-Napoca, Romania
| | - Javier Echeverría
- Facultad de Química y Biología, Universidad de Santiago de Chile, Casilla 40, Correo 33, Santiago 9170022, Chile
| | - Vijai K Gupta
- Department of Chemistry and Biotechnology, ERA Chair of Green Chemistry, Tallinn University of Technology, 12618 Tallinn, Estonia
| | - Nikolay T Tzvetkov
- Pharmaceutical Institute, University of Bonn, An der Immenburg 4, 53121 Bonn, Germany; NTZ Lab Ltd., Krasno Selo 198, Sofia 1618, Bulgaria
| | - Atanas G Atanasov
- Institute of Genetics and Animal Breeding of the Polish Academy of Sciences, 05-552 Jastrzebiec, Poland; Department of Pharmacognosy, University of Vienna, Althanstrasse 14, 1090 Vienna, Austria.
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18
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Konstantakou EG, Velentzas AD, Anagnostopoulos AK, Giannopoulou AF, Anastasiadou E, Papassideri IS, Voutsinas GE, Tsangaris GT, Stravopodis DJ. Unraveling the human protein atlas of metastatic melanoma in the course of ultraviolet radiation-derived photo-therapy. J Proteomics 2017; 188:119-138. [PMID: 29180045 DOI: 10.1016/j.jprot.2017.11.015] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2017] [Revised: 11/09/2017] [Accepted: 11/21/2017] [Indexed: 02/06/2023]
Abstract
To explore the photo-therapeutic capacity of UV radiation in solid tumors, we herein employed an nLC-MS/MS technology to profile the proteomic landscape of irradiated WM-266-4 human metastatic-melanoma cells. Obtained data resulted in proteomic catalogues of 5982 and 7280 proteins for UVB- and UVC-radiation conditions, respectively, and indicated the ability of UVB/C-radiation forms to eliminate metastatic-melanoma cells through induction of synergistically operating programs of apoptosis and necroptosis. However, it seems that one or more WM-266-4 cell sub-populations may escape from UV-radiation's photo-damaging activity, acquiring, besides apoptosis tolerance, an EMT phenotype that likely offers them the advantage of developing resistance to certain chemotherapeutic drugs. Low levels of autophagy may also critically contribute to the selective survival and growth of UV-irradiated melanoma-cell escapers. These are the cells that must be systemically targeted with novel therapeutic schemes, like the one of UV radiation and Irinotecan herein suggested to be holding strong promise for the effective treatment of metastatic-melanoma patients. Given the dual nature of UV radiation to serve as both anti-tumorigenic and tumorigenic agent, all individuals being subjected to risk factors for melanoma development have to be appropriately informed and educated, in order to integrate the innovative PPPM concept in their healthcare-sector management. SIGNIFICANCE This study reports the application of nLC-MS/MS technology to deeply map the proteomic landscape of UV-irradiated human metastatic-melanoma cells. Data bioinformatics processing led to molecular-network reconstructions that unearthed the dual nature of UV radiation to serve as both anti-tumorigenic and tumorigenic factor in metastatic-melanoma cellular environments. Our UV radiation-derived "photo-proteomic" atlas may prove valuable for the identification of new biomarkers and development of novel therapies for the disease. Given that UV radiation represents a major risk factor causing melanoma, a PPPM-based life style and clinical practice must be embraced by all individuals being prone to disease's appearance and expansion.
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Affiliation(s)
- Eumorphia G Konstantakou
- Section of Cell Biology and Biophysics, Department of Biology, School of Science, National and Kapodistrian University of Athens, Athens, Greece
| | - Athanassios D Velentzas
- Section of Cell Biology and Biophysics, Department of Biology, School of Science, National and Kapodistrian University of Athens, Athens, Greece
| | - Athanasios K Anagnostopoulos
- Proteomics Core Facility, Systems Biology Center, Biomedical Research Foundation of the Academy of Athens, Athens, Greece
| | - Aikaterini F Giannopoulou
- Section of Cell Biology and Biophysics, Department of Biology, School of Science, National and Kapodistrian University of Athens, Athens, Greece
| | - Ema Anastasiadou
- Basic Research Center, Biomedical Research Foundation of the Academy of Athens, Athens, Greece
| | - Issidora S Papassideri
- Section of Cell Biology and Biophysics, Department of Biology, School of Science, National and Kapodistrian University of Athens, Athens, Greece
| | - Gerassimos E Voutsinas
- Laboratory of Environmental Mutagenesis and Carcinogenesis, Institute of Biosciences and Applications, National Center for Scientific Research "Demokritos", Athens, Greece
| | - George Th Tsangaris
- Proteomics Core Facility, Systems Biology Center, Biomedical Research Foundation of the Academy of Athens, Athens, Greece.
| | - Dimitrios J Stravopodis
- Section of Cell Biology and Biophysics, Department of Biology, School of Science, National and Kapodistrian University of Athens, Athens, Greece.
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19
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Chen L, Xu Z, Jiang M, Zhang C, Wang X, Xiang L. Light-emitting diode 585nm photomodulation inhibiting melanin synthesis and inducing autophagy in human melanocytes. J Dermatol Sci 2017; 89:11-18. [PMID: 29065997 DOI: 10.1016/j.jdermsci.2017.10.001] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2017] [Revised: 09/15/2017] [Accepted: 10/03/2017] [Indexed: 10/18/2022]
Abstract
BACKGROUND Melasma is a common hyperpigmentation skin disease on face. Light-emitting diode (LED) photomodulation (585nm) is reported to be effective for the treatment of melasma. However, whether and how LED photomodulation would influence melanogenesis of human epidermal melanocytes (HEMs) is unknown. OBJECTIVE To evaluate the effects of LED photomodulation (585nm) on melanogenesis in HEMs. METHODS HEMs were irradiated with fluences of 0, 5, 10 and 20J/cm2 585nm LED light. After 5-day treatment, cell viability was analyzed by CCK-8 assay, and apoptosis was assessed by Annexin V APC assay. Melanin content and tyrosinase activity were measured by spectrophotometer. Melanosome stage and autophagosomes were determined under transmission electron microscope (TEM). The formation of autophagic punctate structures was observed under confocal microscope. RT-PCR and western blotting were used to assess the expression of relative mRNA and protein levels. RESULTS Yellow light LED 585nm had no effects on HEMs cell viability and apoptosis. Treatment with LED 585nm from 5J/cm2 to 20J/cm2 inhibited melanosome maturation, decreased melanin content and tyrosinase activity. Inhibition was accompanied by the decreased expression of tyrosinase (TYR), tyrosinase-related protein-1 (TRP-1) and microphthalmia-associated transcription factor (MITF) on both mRNA and protein levels. Autophagosomes were observed under TEM. Autophagic punctate structures of microtubule-associated protein light chain 3 (LC3) proteins were induced by LED 585nm light. The configuration change of LC3 from LC3-I to LC3-II, and the degradation of p62 protein were observed after LED 585nm. Furthermore, we also revealed that the anti-melanogenic effect of LED 585nm photomodulation was reversed by 3-Methyladenine (3-MA), which inhibits autophagy by blocking autophagosome formation via the inhibition of type III Phosphatidylinositol 3-kinases (PI-3K). CONCLUSIONS Our finding demonstrated that LED photomodulation with 585nm wavelength suppressed melanin content in HEMs, and the effect was caused by its dose-dependent inhibition on melanogenesis and the induction of HEMs autophagy. This may provide new insights into the efficacy of LED photomodulation in the treatment of hyperpigmentation disorders.
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Affiliation(s)
- Li Chen
- Department of Dermatology, Huashan Hospital, Fudan University, Shanghai 200040, PR China
| | - Zhongyi Xu
- Department of Dermatology, Huashan Hospital, Fudan University, Shanghai 200040, PR China
| | - Min Jiang
- Department of Dermatology, Huashan Hospital, Fudan University, Shanghai 200040, PR China
| | - Chengfeng Zhang
- Department of Dermatology, Huashan Hospital, Fudan University, Shanghai 200040, PR China
| | - Xuan Wang
- Department of Dermatology, Huashan Hospital, Fudan University, Shanghai 200040, PR China
| | - Leihong Xiang
- Department of Dermatology, Huashan Hospital, Fudan University, Shanghai 200040, PR China.
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20
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Pillaiyar T, Manickam M, Jung SH. Recent development of signaling pathways inhibitors of melanogenesis. Cell Signal 2017; 40:99-115. [PMID: 28911859 DOI: 10.1016/j.cellsig.2017.09.004] [Citation(s) in RCA: 131] [Impact Index Per Article: 18.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2017] [Revised: 09/10/2017] [Accepted: 09/10/2017] [Indexed: 02/08/2023]
Abstract
Human skin, eye and hair color rely on the production of melanin, depending on its quantity, quality, and distribution, Melanin plays a monumental role in protecting the skin against the harmful effect of ultraviolet radiation and oxidative stress from various environmental pollutants. However, an excessive production of melanin causes serious dermatological problems such as freckles, solar lentigo (age spots), melasma, as well as cancer. Hence, the regulation of melanin production is important for controlling the hyper-pigmentation. Melanogenesis, a biosynthetic pathway to produce melanin pigment in melanocyte, involves a series of intricate enzymatic and chemical catalyzed reactions. Several extrinsic factors include ultraviolet radiation and chemical drugs, and intrinsic factors include molecules secreted by surrounding keratinocytes or melanocytes, and fibroblasts, all of which regulate melanogenesis. This article reviews recent advances in the development of melanogenesis inhibitors that directly/indirectly target melanogenesis-related signaling pathways. Efforts have been made to provide a description of the mechanism of action of inhibitors on various melanogenesis signaling pathways.
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Affiliation(s)
- Thanigaimalai Pillaiyar
- PharmaCenter Bonn, Pharmaceutical Institute, Pharmaceutical Chemistry I, University of Bonn, An der Immenburg 4, D-53121 Bonn, Germany.
| | - Manoj Manickam
- College of Pharmacy and Institute of Drug Research and Development, Chungnam National, University, Daejeon 34134, Republic of Korea
| | - Sang-Hun Jung
- College of Pharmacy and Institute of Drug Research and Development, Chungnam National, University, Daejeon 34134, Republic of Korea
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21
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Kim NH, Choi SH, Yi N, Lee TR, Lee AY. Arginase-2, a miR-1299 target, enhances pigmentation in melasma by reducing melanosome degradation via senescence-induced autophagy inhibition. Pigment Cell Melanoma Res 2017. [PMID: 28627081 DOI: 10.1111/pcmr.12605] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Expression profiles revealed miR-1299 downregulation concomitant with arginase-2 (ARG2) upregulation in hyperpigmented skin of melasma patients. Opposite regulation of tyrosinase and PMEL17 by miR-1299 and inverse relationship between miR-1299 and ARG2 expression denoted a role of miR-1299 in pigmentation with ARG2 as a miR-1299 target. ARG2 overexpression or knock-down in keratinocytes, the main source of ARG2 in epidermis, positively regulated tyrosinase and PMEL17 protein levels, but not mRNA levels or melanosome transfer. ARG2 overexpression in keratinocytes reduced autophagy equivalent to 3-MA, an autophagy inhibitor which also increased tyrosinase and PMEL17 protein levels, whereas ARG2 knock-down induced opposite results. Autophagy inducer rapamycin reduced ARG2-increased tyrosinase and PMEL17 protein levels. Also, autophagy was reduced in late passage-induced senescent keratinocytes showing ARG2 upregulation. ARG2, but not 3-MA, stimulated keratinocyte senescence. These results suggest that ARG2 reduces autophagy in keratinocytes by stimulating cellular senescence, resulting in skin pigmentation by reducing degradation of transferred melanosomes.
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Affiliation(s)
- Nan-Hyung Kim
- Department of Dermatology, Dongguk University Ilsan Hospital, Goyang-si, Gyeonggi-do, South Korea
| | - Soo-Hyun Choi
- Department of Dermatology, Dongguk University Ilsan Hospital, Goyang-si, Gyeonggi-do, South Korea
| | - Nayoung Yi
- Department of Dermatology, Dongguk University Ilsan Hospital, Goyang-si, Gyeonggi-do, South Korea
| | - Tae Ryong Lee
- Bioscience Research Division, R&D Unit, AmorePacific Corporation, Yongin, Gyeonggi-do, South Korea
| | - Ai-Young Lee
- Department of Dermatology, Dongguk University Ilsan Hospital, Goyang-si, Gyeonggi-do, South Korea
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22
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Cho YH, Park JE, Lim DS, Lee JS. Tranexamic acid inhibits melanogenesis by activating the autophagy system in cultured melanoma cells. J Dermatol Sci 2017; 88:96-102. [PMID: 28669590 DOI: 10.1016/j.jdermsci.2017.05.019] [Citation(s) in RCA: 48] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2017] [Revised: 05/19/2017] [Accepted: 05/31/2017] [Indexed: 12/27/2022]
Abstract
BACKGROUND As interest in skin beauty increases, the development of new skin whitening agents has attracted substantial attention; however, the action mechanism of the agents developed so far remains largely unknown. Tranexamic acid (TXA) is commonly being used to reduce melanin synthesis in patients with melasma and also used as a raw material for functional whitening cosmetics, although its action mechanism is poorly understood. Autophagy has been well known to be essential for tissue homeostasis, adaptation to starvation, and removal of dysfunctional organelles or pathogens. Recent studies have shown that autophagy regulators might have prominent roles in the initial formation stage of the melanosome, a lysosome-related organelle synthesizing melanin pigments. However, there is still no direct evidence showing a relationship between the activation of the autophagy system and the melanogenesis. OBJECTIVE To investigate whether TXA can inhibit melanogenesis through the activation of autophagy in a melanoma cell line. METHODS B16-F1 melanoma cells were treated with TXA and the levels of autophagy- and melanogenesis-related proteins were determined by Western blottings. The direct effect of TXA-mediated autophagy activation on melanin production was further evaluated by transfecting the cells with 60 pmols of small interfering RNAs (siRNAs)-targeting the mechanistic target of rapamycin (mTOR) and the autophagy-related protein 5 (Atg5). RESULTS The results of Western blottings showed that TXA enhanced the production of autophagy-related proteins such as mitogen-activated protein kinases (MAPKs), extracellular signal-regulated kinase (ERK)1/2, Beclin-1, Atg12, and light chain 3 (LC3) I-II, whereas it decreased the synthesis of the mTOR complex. Confocal microscopy clearly showed that TXA treatment resulted in the formation of autophagosomes in B16-F1 cells, as revealed by immunostaining with an anti-LC3 antibody. The production of melanogenesis-associated proteins, including microphthalmia-associated transcription factor (MITF), tyrosinase, and tyrosinase-related protein 1 and 2 (TRP1/2), were clearly downregulated by the treatments with TXA. These results suggest that TXA can mediate a decrease in melanin synthesis by alleviating the production of tyrosinase and TRP1/2, along with lowered MITF protein levels. Furthermore, after treatment with TXA, siRNAs- targeting to mTOR and Atg5 increased melanin synthesis by 20% and 40%, respectively, compared to that in non-transfected cells, in a dose-dependent manner. These results further confirmed that TXA can inhibit melanogenesis by activating the autophagy system. CONCLUSION Collectively, the results demonstrate that TXA can reduce melanin synthesis in melanoma B16-F1 cells by activating the ERK signaling pathway and the autophagy system.
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Affiliation(s)
- Yeong Hee Cho
- Department of Biomedical Science, BK21-plus Research Team for Bioactive Control Technology, National Research Center for Dementia, College of Natural Sciences, Chosun University, Gwangju 61452, Republic of Korea
| | - Jung Eun Park
- Department of Biomedical Science, BK21-plus Research Team for Bioactive Control Technology, National Research Center for Dementia, College of Natural Sciences, Chosun University, Gwangju 61452, Republic of Korea
| | - Do Sung Lim
- Department of Biomedical Science, BK21-plus Research Team for Bioactive Control Technology, National Research Center for Dementia, College of Natural Sciences, Chosun University, Gwangju 61452, Republic of Korea
| | - Jung Sup Lee
- Department of Biomedical Science, BK21-plus Research Team for Bioactive Control Technology, National Research Center for Dementia, College of Natural Sciences, Chosun University, Gwangju 61452, Republic of Korea.
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23
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Lee KW, Ryu HW, Oh SS, Park S, Madhi H, Yoo J, Park KH, Kim KD. Depigmentation of α-melanocyte-stimulating hormone-treated melanoma cells by β-mangostin is mediated by selective autophagy. Exp Dermatol 2016; 26:585-591. [PMID: 27714857 DOI: 10.1111/exd.13233] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/27/2016] [Indexed: 01/07/2023]
Abstract
Melanogenesis is a key pathway for the regulation of skin pigmentation and the development of skin-lightening/skin-whitening drugs or cosmetics. In this study, we found that β-mangostin from seedcases of Garcinia mangostana inhibited α-melanocyte-stimulating hormone (α-MSH)-mediated melanogenesis in B16F10 melanoma cells and a three-dimensional human skin model. β-Mangostin significantly inhibited the protein level of tyrosinase induced by α-MSH in UPS (ubiquitin proteasome system)-independent and lysosome-dependent manner. The inhibition of autophagy by 3-methyladenine treatment or ATG5 knockdown effectively recovered premelanosome protein as well as tyrosinase degraded by the β-mangostin treatment. However, rapamycin, a representative non-selective autophagy inducer, triggered autophagy in α-MSH-stimulated cells, which was characterized by a considerable decrease in p62, but it was unable to inhibit melanogenesis. Melanosome-engulfing autophagosomes were observed using transmission electron microscopy. Furthermore, previously formed melanin could be degraded effectively in an autophagy-dependent manner in β-mangostin-treated cells. Taken together, our results suggest that β-mangostin inhibits the melanogenesis induced by α-MSH via an autophagy-dependent mechanism, and thus, the depigmentation effect of β-mangostin may depend on autophagy targeted at the melanosome rather than non-selective autophagy.
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Affiliation(s)
- Ki Won Lee
- Division of Applied Life Science (BK21 Plus), Gyeongsang National University, Jinju, Korea
| | - Hyung Won Ryu
- Natural Medicine Research Center, KRIBB, Cheongwon, Korea
| | - Sang-Seok Oh
- Division of Applied Life Science (BK21 Plus), Gyeongsang National University, Jinju, Korea
| | - Soojong Park
- Division of Applied Life Science (BK21 Plus), Gyeongsang National University, Jinju, Korea
| | - Hamadi Madhi
- Division of Applied Life Science (BK21 Plus), Gyeongsang National University, Jinju, Korea
| | - Jiyun Yoo
- Division of Applied Life Science (BK21 Plus), Gyeongsang National University, Jinju, Korea
| | - Ki-Hun Park
- Division of Applied Life Science (BK21 Plus), Gyeongsang National University, Jinju, Korea
| | - Kwang Dong Kim
- Division of Applied Life Science (BK21 Plus), Gyeongsang National University, Jinju, Korea.,PMBBRC, Gyeongsang National University, Jinju, Korea
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24
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Oliveira DL, Fonseca FL, Zamith-Miranda D, Nimrichter L, Rodrigues J, Pereira MD, Reuwsaat JC, Schrank A, Staats C, Kmetzsch L, Vainstein MH, Rodrigues ML. The putative autophagy regulator Atg7 affects the physiology and pathogenic mechanisms of Cryptococcus neoformans. Future Microbiol 2016; 11:1405-1419. [PMID: 27750454 DOI: 10.2217/fmb-2016-0090] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
AIM We investigated the involvement of the autophagy protein 7 (Atg7) in physiology and pathogenic potential of Cryptococcus neoformans. MATERIALS & METHODS The C. neoformans gene encoding Atg7 was deleted by biolistic transformation for characterization of autophagy mechanisms, pigment formation, cell dimensions, interaction with phagocytes and pathogenic potential in vivo. RESULTS & CONCLUSION ATG7 deletion resulted in defective autophagy mechanisms, enhanced pigmentation and increased cellular size both in vitro and in vivo. The atg7Δ mutant had decreased survival in the lung of infected mice, higher susceptibility to the killing machinery of different host phagocytes and reduced ability to kill an invertebrate host. These results connect Atg7 with mechanisms of pathogenicity in the C. neoformans model.
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Affiliation(s)
- Debora L Oliveira
- Fundação Oswaldo Cruz (Fiocruz), Centro de Desenvolvimento Tecnológico em Saúde (CDTS), Rio de Janeiro, Brazil
| | - Fernanda L Fonseca
- Fundação Oswaldo Cruz (Fiocruz), Centro de Desenvolvimento Tecnológico em Saúde (CDTS), Rio de Janeiro, Brazil
| | - Daniel Zamith-Miranda
- Instituto de Microbiologia Professor Paulo de Góes, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Leonardo Nimrichter
- Instituto de Microbiologia Professor Paulo de Góes, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Jéssica Rodrigues
- Instituto de Microbiologia Professor Paulo de Góes, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Marcos D Pereira
- Departamento de Bioquímica, Instituto de Química, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Julia Cv Reuwsaat
- Centro de Biotecnologia, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
| | - Augusto Schrank
- Centro de Biotecnologia, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
| | - Charley Staats
- Centro de Biotecnologia, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
| | - Livia Kmetzsch
- Centro de Biotecnologia, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
| | - Marilene H Vainstein
- Centro de Biotecnologia, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
| | - Marcio L Rodrigues
- Fundação Oswaldo Cruz (Fiocruz), Centro de Desenvolvimento Tecnológico em Saúde (CDTS), Rio de Janeiro, Brazil.,Instituto de Microbiologia Professor Paulo de Góes, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
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25
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Downregulation of melanogenesis: drug discovery and therapeutic options. Drug Discov Today 2016; 22:282-298. [PMID: 27693716 DOI: 10.1016/j.drudis.2016.09.016] [Citation(s) in RCA: 97] [Impact Index Per Article: 12.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2016] [Revised: 08/11/2016] [Accepted: 09/20/2016] [Indexed: 01/03/2023]
Abstract
Melanin, primarily responsible in humans for hair, eye and skin pigmentation, is produced by melanocytes through a process called melanogenesis. However, the abnormal accumulation of melanin causes dermatological problems such as café-au-lait macules ephelides (freckles), solar lentigo (age spots) and melasma, as well as cancer and vitiligo. Hence the regulation of melanogenesis is very important for treating hyperpigmentary disorders. Numerous antimelanogenic agents that target tyrosinase activity and/or stability, melanosome maturation, transfer and trafficking, or melanogenesis-related signaling pathways have been developed. This article reviews recent advances in research and development of human tyrosinase and melanogenesis-related signaling pathway inhibitors. Attempts have been made to provide a complete description of the mechanism of action of inhibitors on various melanogenesis signaling pathways.
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Wadhwa R, Priyandoko D, Gao R, Widodo N, Nigam N, Li L, Ahn HM, Yun CO, Ando N, Mahe C, Kaul SC. Stress chaperone mortalin regulates human melanogenesis. Cell Stress Chaperones 2016; 21:631-44. [PMID: 27056733 PMCID: PMC4907994 DOI: 10.1007/s12192-016-0688-2] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2015] [Revised: 03/28/2016] [Accepted: 03/28/2016] [Indexed: 01/14/2023] Open
Abstract
In order to identify the cellular factors involved in human melanogenesis, we carried out shRNA-mediated loss-of-function screening in conjunction with induction of melanogenesis by 1-oleoyl-2-acetyl-glycerol (OAG) in human melanoma cells using biochemical and visual assays. Gene targets of the shRNAs (that caused loss of OAG-induced melanogenesis) and their pathways, as determined by bioinformatics, revealed involvement of proteins that regulate cell stress response, mitochondrial functions, proliferation, and apoptosis. We demonstrate, for the first time, that the mitochondrial stress chaperone mortalin is crucial for melanogenesis. Upregulation of mortalin was closely associated with melanogenesis in in vitro cell-based assays and clinical samples of keloids with hyperpigmentation. Furthermore, its knockdown resulted in compromised melanogenesis. The data proposed mortalin as an important protein that may be targeted to manipulate pigmentation for cosmetic and related disease therapeutics.
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Affiliation(s)
- Renu Wadhwa
- DAILAB, National Institute of Advanced Industrial Science and Technology (AIST), Central 5-41, 1-1-1 Higashi, Tsukuba, Ibaraki, 305-8565, Japan
| | - Didik Priyandoko
- DAILAB, National Institute of Advanced Industrial Science and Technology (AIST), Central 5-41, 1-1-1 Higashi, Tsukuba, Ibaraki, 305-8565, Japan
- Department of Biology, Universitas Pendidikan Indonesia, Bandung, Indonesia
| | - Ran Gao
- DAILAB, National Institute of Advanced Industrial Science and Technology (AIST), Central 5-41, 1-1-1 Higashi, Tsukuba, Ibaraki, 305-8565, Japan
| | - Nashi Widodo
- DAILAB, National Institute of Advanced Industrial Science and Technology (AIST), Central 5-41, 1-1-1 Higashi, Tsukuba, Ibaraki, 305-8565, Japan
- Department of Biology, Faculty of Mathematics and Natural Sciences, Brawijaya University, Malang, Indonesia
| | - Nupur Nigam
- DAILAB, National Institute of Advanced Industrial Science and Technology (AIST), Central 5-41, 1-1-1 Higashi, Tsukuba, Ibaraki, 305-8565, Japan
| | - Ling Li
- DAILAB, National Institute of Advanced Industrial Science and Technology (AIST), Central 5-41, 1-1-1 Higashi, Tsukuba, Ibaraki, 305-8565, Japan
| | - Hyo Min Ahn
- Department of Bioengineering, College of Engineering, Hanyang University, 222 Wangsimni-Ro, Seongdong-Gu, Seoul, 133-791, South Korea
| | - Chae-Ok Yun
- Department of Bioengineering, College of Engineering, Hanyang University, 222 Wangsimni-Ro, Seongdong-Gu, Seoul, 133-791, South Korea
| | - Nobuhiro Ando
- KK Chanel Research and Technology Development Laboratory, 1-1-5, Yamate, Funabashi-Chiba, 273-0045, Japan
| | - Christian Mahe
- KK Chanel Research and Technology Development Laboratory, 1-1-5, Yamate, Funabashi-Chiba, 273-0045, Japan
| | - Sunil C Kaul
- DAILAB, National Institute of Advanced Industrial Science and Technology (AIST), Central 5-41, 1-1-1 Higashi, Tsukuba, Ibaraki, 305-8565, Japan.
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27
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Tsao YT, Huang YF, Kuo CY, Lin YC, Chiang WC, Wang WK, Hsu CW, Lee CH. Hinokitiol Inhibits Melanogenesis via AKT/mTOR Signaling in B16F10 Mouse Melanoma Cells. Int J Mol Sci 2016; 17:248. [PMID: 26901194 PMCID: PMC4783978 DOI: 10.3390/ijms17020248] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2016] [Revised: 02/04/2016] [Accepted: 02/15/2016] [Indexed: 02/05/2023] Open
Abstract
H inokitiol purified from the heartwood of cupressaceous plants has had various biological functions of cell differentiation and growth. Hinokitiol has been demonstrated as having an important role in anti-inflammation and anti-bacteria effect, suggesting that it is potentially useful in therapies for hyperpigmentation. Previously, hinokitiol inhibited the production of melanin by inhibiting tyrosinase activity. The autophagic signaling pathway can induce hypopigmentation. This study is warranted to investigate the mechanism of hinokitiol-induced hypopigmentation through autophagy in B16F10 melanoma cells. The melanin contents and expression of microthphalmia associated transcription factor (MITF) and tyrosinase were inhibited by treatment with hinokitiol. Moreover, the phosphorylation of the protein express levels of phospho-protein kinase B (P-AKT) and phospho-mammalian targets of rapamycin (P-mTOR) were reduced after hinokitiol treatment. In addition, the microtubule associated protein 1 light chain 3 (LC3) -II and beclin 1 (autophagic markers) were increased after the B16F10 cell was treated with hinokitiol. Meanwhile, hinokitiol decreased cellular melanin contents in a dose-dependent manner. These findings establish that hinokitiol inhibited melanogenesis through the AKT/mTOR signaling pathway.
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Affiliation(s)
- Yu-Tzu Tsao
- Division of Nephrology, Department of Medicine, Taoyuan General Hospital, Taoyuan 330, Taiwan.
- Institute of Clinical Medicine, National Yang-Ming University, Taipei 11221, Taiwan.
| | - Yu-Fen Huang
- Department of Microbiology, School of Medicine, China Medical University, Taichung 404, Taiwan.
| | - Chun-Yu Kuo
- Graduate Institute of Basic Medical Science, School of Medicine, China Medical University, Taichung 404, Taiwan.
| | - Yu-Chiang Lin
- Graduate Institute of Basic Medical Science, School of Medicine, China Medical University, Taichung 404, Taiwan.
| | - Wei-Cheng Chiang
- Department of Environmental Engineering and Science, Feng Chia University, Taichung 40407, Taiwan.
| | - Wei-Kuang Wang
- Department of Environmental Engineering and Science, Feng Chia University, Taichung 40407, Taiwan.
| | - Chia-Wei Hsu
- Graduate Institute of Basic Medical Science, School of Medicine, China Medical University, Taichung 404, Taiwan.
| | - Che-Hsin Lee
- Department of Microbiology, School of Medicine, China Medical University, Taichung 404, Taiwan.
- Graduate Institute of Basic Medical Science, School of Medicine, China Medical University, Taichung 404, Taiwan.
- Department of Biological Sciences, National Sun Yat-sen University, Kaohsiung 804, Taiwan.
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28
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Chang TS. Isolation, bioactivity, and production of ortho-hydroxydaidzein and ortho-hydroxygenistein. Int J Mol Sci 2014; 15:5699-716. [PMID: 24705463 PMCID: PMC4013590 DOI: 10.3390/ijms15045699] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2014] [Revised: 03/18/2014] [Accepted: 03/27/2014] [Indexed: 12/18/2022] Open
Abstract
Daidzein and genistein are two major components of soy isoflavones. They exist abundantly in plants and possess multiple bioactivities. In contrast, ortho-hydroxydaidzein (OHD) and ortho-hydroxygenistein (OHG), including 6-hydroxydaidzein (6-OHD), 8-hydroxydaidzein (8-OHD), 3'-hydroxydaidzein (3'-OHD), 6-hydroxygenistein (6-OHG), 8-hydroxygenistein (8-OHG), and 3'-hydroxygenistein (3'-OHG), are rarely found in plants. Instead, they are usually isolated from fermented soybean foods or microbial fermentation broth feeding with soybean meal. Accordingly, the bioactivity of OHD and OHG has been investigated less compared to that of soy isoflavones. Recently, OHD and OHG were produced by genetically engineering microorganisms through gene cloning of cytochrome P450 (CYP) enzyme systems. This success opens up bioactivity investigation and industrial applications of OHD and OHG in the future. This article reviews isolation of OHD and OHG from non-synthetic sources and production of the compounds by genetically modified microorganisms. Several bioactivities, such as anticancer and antimelanogenesis-related activities, of OHD and OHG, are also discussed.
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Affiliation(s)
- Te-Sheng Chang
- Department of Biological Science and Technology, National University of Tainan, 33 Sec. 2 Su-Lin St., Tainan 702, Taiwan.
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