1
|
Fujita Y, Biswas KB, Kawai Y, Takayama S, Masutani T, Iddamalgoda A, Sakamoto K. Mentha piperita leaf extract suppresses the release of ATP from epidermal keratinocytes and reduces dermal thinning as well as wrinkle formation. Int J Cosmet Sci 2024. [PMID: 39049707 DOI: 10.1111/ics.12996] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2023] [Revised: 06/03/2024] [Accepted: 06/12/2024] [Indexed: 07/27/2024]
Abstract
OBJECTIVES To achieve a more beautiful and younger appearance, reducing wrinkles is a key concern. The process of wrinkle formation is complex and the development of truly effective cosmetic ingredients to reduce wrinkles remains a challenge. Recent studies have revealed a close relationship between wrinkles and skin thinning, suggesting that preventing skin thinning could also prevent wrinkle formation. In this study, we examined the role of extracellular adenosine triphosphate (eATP) in the progression of thinning, as eATP reportedly increases skin ageing factors, such as senescence-associated secreted phenotype (SASP) factors in epidermal cells. We determined the effects of Mentha piperita leaf extract on suppressing eATP to reduce thinning and wrinkles. METHODS Adenosine triphosphate (ATP) levels were measured in normal human epidermal keratinocytes (NHEK) in the presence of M. piperita leaf extract. Dryness, high pH, and UVB radiation were used as extrinsic ageing factors. Intrinsic skin ageing was evaluated by comparing cells from adults (AD-NHEK) and newborns (NB-NHEK). A placebo-controlled in vivo study was carried out with a formulation containing 1% M. piperita leaf extract. RESULTS The eATP levels were significantly higher in AD-NHEK compared with that in NB-NHEK cells. M. piperita leaf extract significantly decreased eATP levels in adult cells. Extrinsic ageing factors increased eATP levels in NHEK, whereas M. piperita leaf extract significantly suppressed eATP under all conditions. The active components of M. piperita leaf extract, luteolin glucuronide and rosmarinic acid, also decreased eATP. Moreover, compared with placebo lotion, M. piperita leaf extract-formulated lotion markedly increased dermal thickness and reduced wrinkles associated with crow's feet and the neck area. CONCLUSION We demonstrated for the first time that M. piperita leaf extract containing rosmarinic acid and luteolin-7-O-glucuronide has the potential to reduce eATP release from epidermal keratinocytes. An increase in eATP was observed not only during inflammation but also during natural ageing. Furthermore, the in vivo experiment revealing that 1% M. piperita leaf extract-containing lotion improved dermal thinning and wrinkles across multiple areas is attributed to the amelioration of dermal thinning. Thus, our data suggest the possibility of a novel cosmetic approach for reducing skin ageing by reducing eATP-mediated dermal thinning.
Collapse
Affiliation(s)
- Yukiko Fujita
- Department of Research and Development, Ichimaru Pharcos Co. Ltd., Gifu, Japan
| | - Kazal Boron Biswas
- Department of Research and Development, Ichimaru Pharcos Co. Ltd., Gifu, Japan
| | - Yuka Kawai
- Department of Research and Development, Ichimaru Pharcos Co. Ltd., Gifu, Japan
| | - Satoru Takayama
- Department of Research and Development, Ichimaru Pharcos Co. Ltd., Gifu, Japan
| | - Teruaki Masutani
- Department of Research and Development, Ichimaru Pharcos Co. Ltd., Gifu, Japan
| | | | - Kotaro Sakamoto
- Department of Research and Development, Ichimaru Pharcos Co. Ltd., Gifu, Japan
| |
Collapse
|
2
|
Stauffer PE, Brinkley J, Jacobson DA, Quaranta V, Tyson DR. Purinergic Ca 2+ Signaling as a Novel Mechanism of Drug Tolerance in BRAF-Mutant Melanoma. Cancers (Basel) 2024; 16:2426. [PMID: 39001489 PMCID: PMC11240618 DOI: 10.3390/cancers16132426] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2024] [Revised: 06/27/2024] [Accepted: 06/27/2024] [Indexed: 07/16/2024] Open
Abstract
Drug tolerance is a major cause of relapse after cancer treatment. Despite intensive efforts, its molecular basis remains poorly understood, hampering actionable intervention. We report a previously unrecognized signaling mechanism supporting drug tolerance in BRAF-mutant melanoma treated with BRAF inhibitors that could be of general relevance to other cancers. Its key features are cell-intrinsic intracellular Ca2+ signaling initiated by P2X7 receptors (purinergic ligand-gated cation channels) and an enhanced ability for these Ca2+ signals to reactivate ERK1/2 in the drug-tolerant state. Extracellular ATP, virtually ubiquitous in living systems, is the ligand that can initiate Ca2+ spikes via P2X7 channels. ATP is abundant in the tumor microenvironment and is released by dying cells, ironically implicating treatment-initiated cancer cell death as a source of trophic stimuli that leads to ERK reactivation and drug tolerance. Such a mechanism immediately offers an explanation of the inevitable relapse after BRAFi treatment in BRAF-mutant melanoma and points to actionable strategies to overcome it.
Collapse
Affiliation(s)
- Philip E. Stauffer
- Department of Pharmacology, Vanderbilt University School of Medicine, Nashville, TN 37232, USA
| | - Jordon Brinkley
- Department of Pharmacology, Vanderbilt University School of Medicine, Nashville, TN 37232, USA
| | - David A. Jacobson
- Department of Molecular Physiology and Biophysics, Vanderbilt University School of Medicine, Nashville, TN 37232, USA;
| | - Vito Quaranta
- Department of Pharmacology, Vanderbilt University School of Medicine, Nashville, TN 37232, USA
- Department of Biochemistry, Vanderbilt University School of Medicine, Nashville, TN 37232, USA
| | - Darren R. Tyson
- Department of Pharmacology, Vanderbilt University School of Medicine, Nashville, TN 37232, USA
| |
Collapse
|
3
|
Choi K, Kim H, Nam SY, Heo CY. Enhancement of skin rejuvenation and hair growth through novel near-infrared light emitting diode (nNIR) lighting: in vitro and in vivo study. Lasers Med Sci 2024; 39:104. [PMID: 38630175 PMCID: PMC11024053 DOI: 10.1007/s10103-024-04044-9] [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: 09/06/2023] [Accepted: 03/21/2024] [Indexed: 04/19/2024]
Abstract
The study aimed to explore the impact of a novel near-infrared LED (nNIR) with an extended spectrum on skin enhancement and hair growth. Various LED sources, including White and nNIRs, were compared across multiple parameters: cytotoxicity, adenosine triphosphate (ATP) synthesis, reactive oxygen species (ROS) reduction, skin thickness, collagen synthesis, collagenase expression, and hair follicle growth. Experiments were conducted on human skin cells and animal models. Cytotoxicity, ATP synthesis, and ROS reduction were evaluated in human skin cells exposed to nNIRs and Whites. LED irradiation effects were also studied on a UV-induced photoaging mouse model, analyzing skin thickness, collagen synthesis, and collagenase expression. Hair growth promotion was examined as well. Results revealed both White and nNIR were non-cytotoxic to human skin cells. nNIR enhanced ATP and collagen synthesis while reducing ROS levels, outperforming the commonly used 2chip LEDs. In the UV-induced photoaging mouse model, nNIR irradiation led to reduced skin thickness, increased collagen synthesis, and lowered collagenase expression. Additionally, nNIR irradiation stimulated hair growth, augmented skin thickness, and increased hair follicle count. In conclusion, the study highlighted positive effects of White and nNIR irradiation on skin and hair growth. However, nNIR exhibited superior outcomes compared to White. Its advancements in ATP content, collagen synthesis, collagenase inhibition, and hair growth promotion imply increased ATP synthesis activity. These findings underscore nNIR therapy's potential as an innovative and effective approach for enhancing skin and promoting hair growth.
Collapse
Affiliation(s)
- Keonwoo Choi
- Department of Plastic and Reconstructive Surgery, Seoul National University Bundang Hospital, Seongnam, Republic of Korea
- Korean Institute of Nonclinical Study, Seongnam, Republic of Korea
- H&BIO Corporation/R&D Center, Seongnam, Republic of Korea
| | - Hongbin Kim
- Department of Plastic and Reconstructive Surgery, Seoul National University Bundang Hospital, Seongnam, Republic of Korea
- Korean Institute of Nonclinical Study, Seongnam, Republic of Korea
- H&BIO Corporation/R&D Center, Seongnam, Republic of Korea
| | - Sun-Young Nam
- Department of Plastic and Reconstructive Surgery, Seoul National University Bundang Hospital, Seongnam, Republic of Korea
- H&BIO Corporation/R&D Center, Seongnam, Republic of Korea
| | - Chan Yeong Heo
- Department of Plastic and Reconstructive Surgery, Seoul National University Bundang Hospital, Seongnam, Republic of Korea.
- Korean Institute of Nonclinical Study, Seongnam, Republic of Korea.
- H&BIO Corporation/R&D Center, Seongnam, Republic of Korea.
- Department of Plastic and Reconstructive Surgery, College of Medicine, Seoul National University, Seoul, Republic of Korea.
| |
Collapse
|
4
|
Stauffer PE, Brinkley J, Jacobson D, Quaranta V, Tyson DR. Purinergic Ca 2+ signaling as a novel mechanism of drug tolerance in BRAF mutant melanoma. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2023.11.03.565532. [PMID: 37961267 PMCID: PMC10635130 DOI: 10.1101/2023.11.03.565532] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/15/2023]
Abstract
Drug tolerance is a major cause of relapse after cancer treatment. In spite of intensive efforts1-9, its molecular basis remains poorly understood, hampering actionable intervention. We report a previously unrecognized signaling mechanism supporting drug tolerance in BRAF-mutant melanoma treated with BRAF inhibitors that could be of general relevance to other cancers. Its key features are cell-intrinsic intracellular Ca2+ signaling initiated by P2X7 receptors (purinergic ligand-gated cation channels), and an enhanced ability for these Ca2+ signals to reactivate ERK1/2 in the drug-tolerant state. Extracellular ATP, virtually ubiquitous in living systems, is the ligand that can initiate Ca2+ spikes via P2X7 channels. ATP is abundant in the tumor microenvironment and is released by dying cells, ironically implicating treatment-initiated cancer cell death as a source of trophic stimuli that leads to ERK reactivation and drug tolerance. Such a mechanism immediately offers an explanation of the inevitable relapse after BRAFi treatment in BRAF-mutant melanoma, and points to actionable strategies to overcome it.
Collapse
Affiliation(s)
- Philip E Stauffer
- Department of Pharmacology, Vanderbilt University School of Medicine Basic Sciences, Nashville, TN, USA
| | - Jordon Brinkley
- Department of Pharmacology, Vanderbilt University School of Medicine Basic Sciences, Nashville, TN, USA
| | - David Jacobson
- Departments of Molecular Physiology and Biophysics, Vanderbilt University School of Medicine Basic Sciences, Nashville, TN, USA
| | - Vito Quaranta
- Department of Pharmacology, Vanderbilt University School of Medicine Basic Sciences, Nashville, TN, USA
- Department of Biochemistry, Vanderbilt University School of Medicine Basic Sciences, Nashville, TN, USA
| | - Darren R Tyson
- Department of Pharmacology, Vanderbilt University School of Medicine Basic Sciences, Nashville, TN, USA
| |
Collapse
|
5
|
Lin Y, Ding Y, Wu Y, Yang Y, Liu Z, Xiang L, Zhang C. The underestimated role of mitochondria in vitiligo: From oxidative stress to inflammation and cell death. Exp Dermatol 2024; 33:e14856. [PMID: 37338012 DOI: 10.1111/exd.14856] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2023] [Revised: 05/24/2023] [Accepted: 05/31/2023] [Indexed: 06/21/2023]
Abstract
Vitiligo is an acquired depigmentary disorder characterized by the depletion of melanocytes in the skin. Mitochondria shoulder multiple functions in cells, such as production of ATP, maintenance of redox balance, initiation of inflammation and regulation of cell death. Increasing evidence has implicated the involvement of mitochondria in the pathogenesis of vitiligo. Mitochondria alteration will cause the abnormalities of mitochondria functions mentioned above, ultimately leading to melanocyte loss through various cell death modes. Nuclear factor erythroid 2-related factor 2 (Nrf2) plays a critical role in mitochondrial homeostasis, and the downregulation of Nrf2 in vitiligo may correlate with mitochondria damage, making both mitochondria and Nrf2 promising targets in treatment of vitiligo. In this review, we aim to discuss the alterations of mitochondria and its role in the pathogenesis of vitiligo.
Collapse
Affiliation(s)
- Yi Lin
- Department of Dermatology, Huashan Hospital Fudan University, Shanghai, China
| | - Yuecen Ding
- Department of Dermatology, Huashan Hospital Fudan University, Shanghai, China
| | - Yue Wu
- Department of Dermatology, Huashan Hospital Fudan University, Shanghai, China
| | - Yiwen Yang
- Department of Dermatology, Huashan Hospital Fudan University, Shanghai, China
| | - Ziqi Liu
- Department of Dermatology, Huashan Hospital Fudan University, Shanghai, China
| | - Leihong Xiang
- Department of Dermatology, Huashan Hospital Fudan University, Shanghai, China
| | - Chengfeng Zhang
- Department of Dermatology, Huashan Hospital Fudan University, Shanghai, China
| |
Collapse
|
6
|
Byun KA, Kim HM, Oh S, Son KH, Byun K. Radiofrequency Irradiation Attenuated UVB-Induced Skin Pigmentation by Modulating ATP Release and CD39 Expression. Int J Mol Sci 2023; 24:ijms24065506. [PMID: 36982581 PMCID: PMC10052073 DOI: 10.3390/ijms24065506] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2023] [Revised: 03/09/2023] [Accepted: 03/10/2023] [Indexed: 03/15/2023] Open
Abstract
Hyperpigmentation stimulated by ultraviolet (UV)-induced melanin overproduction causes various cosmetic problems. UV radiation’s activation of the cyclic adenosine monophosphate (cAMP)-mediated cAMP-dependent protein kinase (PKA)/cAMP response element-binding protein (CREB)/microphthalmia-associated transcription factor (MITF) pathway is the main pathway for melanogenesis. However, the secretion of adenosine triphosphate (ATP) from keratinocytes due to UV radiation also leads to melanogenesis. Adenosine, converted from ATP by CD39 and CD73, can activate adenylate cyclase (AC) activity and increase intracellular cAMP expression. cAMP-mediated PKA activation results in dynamic mitochondrial changes that affect melanogenesis via ERK. We evaluated whether radiofrequency (RF) irradiation could decrease ATP release from keratinocytes and suppress the expression of CD39, CD73, and A2A/A2B adenosine receptors (ARs) and the activity of AC and downregulate the PKA/CREB/MITF pathway, which would eventually decrease melanogenesis in vitro in UV-irradiated cells and animal skin. Our results indicate that RF decreased ATP release from UVB-irradiated keratinocytes. When conditioned media (CM) from UVB-irradiated keratinocytes (CM-UVB) were administered to melanocytes, the expressions of CD39, CD73, A2A/A2BARs, cAMP, and PKA increased. However, the expression of these factors decreased when CM from UVB and RF-irradiated keratinocytes (CM-UVB/RF) was administered to melanocytes. The phosphorylation of DRP1 at Ser637, which inhibits mitochondrial fission, increased in UVB-irradiated animal skin and was decreased by RF irradiation. The expression of ERK1/2, which can degrade MITF, was increased using RF treatment in UVB-irradiated animal skin. Tyrosinase activity and melanin levels in melanocytes increased following CM-UVB administration, and these increases were reversed after CD39 silencing. Tyrosinase activity and melanin levels in melanocytes were decreased by CM-UVB/RF irradiation. In conclusion, RF irradiation decreased ATP release from keratinocytes and the expressions of CD39, CD73, and A2A/A2BARs, which decreased AC activity in melanocytes. RF irradiation downregulated the cAMP-mediated PKA/CREB/MITF pathway and tyrosinase activity, and these inhibitory effects can be mediated via CD39 inhibition.
Collapse
Affiliation(s)
- Kyung-A Byun
- Department of Anatomy & Cell Biology, College of Medicine, Gachon University, Incheon 21936, Republic of Korea
| | | | - Seyeon Oh
- Functional Cellular Networks Laboratory, Lee Gil Ya Cancer and Diabetes Institute, Gachon University of Medicine, Incheon 21999, Republic of Korea
| | - Kuk Hui Son
- Department of Thoracic and Cardiovascular Surgery, Gachon University Gil Medical Center, Gachon University, Incheon 21565, Republic of Korea
- Correspondence: (K.H.S.); (K.B.); Tel.: +82-32-460-3666 (K.H.S.); +82-32-899-6511 (K.B.)
| | - Kyunghee Byun
- Department of Anatomy & Cell Biology, College of Medicine, Gachon University, Incheon 21936, Republic of Korea
- Functional Cellular Networks Laboratory, Lee Gil Ya Cancer and Diabetes Institute, Gachon University of Medicine, Incheon 21999, Republic of Korea
- Correspondence: (K.H.S.); (K.B.); Tel.: +82-32-460-3666 (K.H.S.); +82-32-899-6511 (K.B.)
| |
Collapse
|
7
|
Lin ZC, Hsu CY, Hwang E, Wang PW, Fang JY. The role of cytokines/chemokines in an aging skin immune microenvironment. Mech Ageing Dev 2023; 210:111761. [PMID: 36496171 DOI: 10.1016/j.mad.2022.111761] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2022] [Revised: 11/23/2022] [Accepted: 12/05/2022] [Indexed: 12/13/2022]
Abstract
Reversing or slowing down the skin aging process is one of the most intriguing areas of focus across the social and scientific communities around the world. While aging is considered a universal and inevitable natural process of physiological decline, the aging of the skin is the most apparent visual representation of an individual's health. Aging skin may be objectively defined by epidermal thinning; increased transepidermal water loss; decreased cutaneous barrier function; loss of elasticity, laxity, and textured appearance; and gradual deterioration of the epidermal immune environment. As the largest structure of the immune system and of the body as a whole, the skin is the most vulnerable barrier of defense against the environment. The skin reflects an individual's exposures, lifestyle habits, and overall health. From an immunological perspective, cytokines and chemokines act as a central character in the communicating of the immunity in skin aging. These cell signaling proteins serve as the intercellular communication link. This review aims to elucidate how cell-cell crosstalk through cytokines and chemokines, and the interplay between host cells, infiltrating immune cells, and exogenous factors contribute to the overall aging skin.
Collapse
Affiliation(s)
- Zih-Chan Lin
- Chronic Diseases and Health Promotion Research Center, Chang Gung University of Science and Technology, Puzi, Chiayi, Taiwan
| | - Ching-Yun Hsu
- Department of Nutrition and Health Sciences, Chang Gung University of Science and Technology, Kweishan, Taoyuan, Taiwan; Research Center for Food and Cosmetic Safety and Research Center for Chinese Herbal Medicine, Chang Gung University of Science and Technology, Kweishan, Taoyuan, Taiwan
| | - Erica Hwang
- Department of Dermatology, Yale School of Medicine, Yale University, New Haven, CT, USA
| | - Pei-Wen Wang
- Department of Medical Research, China Medical University Hospital, China Medical University, Taichung, Taiwan
| | - Jia-You Fang
- Research Center for Food and Cosmetic Safety and Research Center for Chinese Herbal Medicine, Chang Gung University of Science and Technology, Kweishan, Taoyuan, Taiwan; Pharmaceutics Laboratory, Graduate Institute of Natural Products, Chang Gung University, Kweishan, Taoyuan, Taiwan; Department of Anesthesiology, Chang Gung Memorial Hospital, Kweishan, Taoyuan, Taiwan.
| |
Collapse
|
8
|
Naasani LIS, Azevedo JG, Sévigny J, Franco de Oliveira T, Maria-Engler SS, Wink MR. Epidermal melanocytes metabolize extracellular nucleotides by purinergic enzymes. Biochem Cell Biol 2023. [PMID: 36657128 DOI: 10.1139/bcb-2022-0058] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023] Open
Abstract
The human epidermal melanocyte (hEM) are melanin-producing cells that provide skin pigmentation and protection against ultraviolet radiation. Although purinergic signaling is involved in skin biology and pathology, the presence of NTPDase members, as well as the rate of nucleotides degradation by melanocytes were not described yet. Therefore, in this study, we analyzed the expression of ectonucleotidases in hEM derived from discarded foreskin of male patients. The expression of purinergic enzymes was confirmed by mRNA and flow cytometry. Among the ectonucleotidases, ectonucleoside triphosphate diphosphohydrolase1 (NTPDase1) and ecto-5´-nucleotidase were the ectoenzymes with higher expressions. The hydrolysis rate for ATP, ADP, and AMP was low in comparison to other primary cells already investigated. The amount of ATP in the culture medium was increased after a scratch wound and decreased to basal levels in 48 h, while the NTPDase1 and P2X7 expressions increased. Therefore, it is possible to suggest that after cell injury, the ATP released by hEM into the extracellular space will be hydrolyzed by ectonucleotidases as the NTPDase1 that will control the levels of nucleotides in the skin micro-environment.
Collapse
Affiliation(s)
- Liliana Ivet Sous Naasani
- Laboratório de Biologia Celular, Departamento de Ciências Básicas da Saúde, Universidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA), 90050-170 Porto Alegre, RS, Brasil
| | - Jéssica Gonçalves Azevedo
- Laboratório de Biologia Celular, Departamento de Ciências Básicas da Saúde, Universidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA), 90050-170 Porto Alegre, RS, Brasil
| | - Jean Sévigny
- Département de Microbiologie-Infectiologie et d'Immunologie, Faculté de Médecine, Université Laval, Québec city, QC G1V 0A6, Canada.,Centre de recherche du CHU de Québec, Université Laval, Québec city, QC G1V 4G2, Canada
| | - Tiago Franco de Oliveira
- Programa de Pós Graduação em Ciências da Saúde, Universidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA), 90050-170 Porto Alegre, RS, Brasil
| | - Silvya Stuchi Maria-Engler
- Skin Biology and Melanoma Lab, Department of Clinical Chemistry & Toxicology, Faculdade de Ciências Farmacêuticas, Universidade de São Paulo (USP), São Paulo, Brasil
| | - Márcia Rosângela Wink
- Laboratório de Biologia Celular, Departamento de Ciências Básicas da Saúde, Universidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA), 90050-170 Porto Alegre, RS, Brasil
| |
Collapse
|
9
|
Kim JY, Lee EJ, Bae YJ, Park S, Kim SH, Lee J, Kwon IJ, Seong SH, Lee J, Kim TG, Oh SH. The involvement of gremlin-1 in external stress-induced melanogenesis. J Dermatol Sci 2022; 109:47-50. [PMID: 36642580 DOI: 10.1016/j.jdermsci.2022.12.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2022] [Revised: 11/30/2022] [Accepted: 12/20/2022] [Indexed: 12/25/2022]
Affiliation(s)
- Ji Young Kim
- Department of Dermatology and Cutaneous Biology Research Institute, Severance Hospital,Yonsei University College of Medicine, Seoul, Korea
| | - Eun Jung Lee
- Department of Dermatology and Cutaneous Biology Research Institute, Severance Hospital,Yonsei University College of Medicine, Seoul, Korea
| | - Yu Jeong Bae
- Department of Dermatology and Cutaneous Biology Research Institute, Severance Hospital,Yonsei University College of Medicine, Seoul, Korea
| | - Sujin Park
- Department of Dermatology and Cutaneous Biology Research Institute, Severance Hospital,Yonsei University College of Medicine, Seoul, Korea
| | - Sung Hee Kim
- Department of Dermatology and Cutaneous Biology Research Institute, Severance Hospital,Yonsei University College of Medicine, Seoul, Korea
| | - Joohee Lee
- Department of Dermatology and Cutaneous Biology Research Institute, Severance Hospital,Yonsei University College of Medicine, Seoul, Korea
| | - Il Joo Kwon
- Department of Dermatology and Cutaneous Biology Research Institute, Severance Hospital,Yonsei University College of Medicine, Seoul, Korea
| | - Seol Hwa Seong
- Department of Dermatology and Cutaneous Biology Research Institute, Severance Hospital,Yonsei University College of Medicine, Seoul, Korea
| | - Jinu Lee
- College of Pharmacy, Yonsei Institute of Pharmaceutical Sciences, Yonsei University, Incheon, Korea
| | - Tae-Gyun Kim
- Department of Dermatology and Cutaneous Biology Research Institute, Severance Hospital,Yonsei University College of Medicine, Seoul, Korea.
| | - Sang Ho Oh
- Department of Dermatology and Cutaneous Biology Research Institute, Severance Hospital,Yonsei University College of Medicine, Seoul, Korea.
| |
Collapse
|
10
|
Park S, Choi EJ, Kim JY, Lee EJ, Bae YJ, Seong SH, Lee J, Oh SH. 7-desacetoxy-6,7-dehydrogedunin discovered by high-throughput screening system suppresses melanogenesis through ATP-P2X7 signaling inhibition. J Dermatol Sci 2022; 108:157-166. [PMID: 36610940 DOI: 10.1016/j.jdermsci.2022.12.011] [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: 05/29/2022] [Revised: 11/25/2022] [Accepted: 12/27/2022] [Indexed: 12/31/2022]
Abstract
BACKGROUND Hyperpigmented skin disorders such as melasma and lentigo are common photoaging diseases that cause cosmetic problems. The pigmentation is usually exacerbated by ultraviolet (UV) radiation, and various factors and pathways are involved in UV-mediated melanogenesis. Adenosine 5'-triphosphate (ATP), a well-known molecular unit of intracellular energy, is also regarded as a mediator of UV-mediated melanogenesis via the P2X7 purinergic receptor. OBJECTIVE To discover natural substances with an anti-melanogenic effect through inhibition of ATP-P2X7 axis by high-throughput screening (HTS). METHODS Among natural compounds provided by the Korea Chemical Bank, chemical compounds with a P2X7 inhibiting effect were screened through an HTS system. Then the selected compounds were verified for their anti-melanogenic effect after treating primary human epidermal melanocytes (PHEMs) with and without ATP. The expression of MITF, tyrosinase, and PMEL/gp100 was analyzed by Western blot, and melanin content was measured as 405 nm absorbance. RESULTS Among 962 natural compounds, 58 showed greater than 80% suppression of YO-PRO-1 fluorescence, representing P2X7 activity. Among them, considering cell viability, chemical stability, and availability, 7-desaxacetoxy-6,7-dehydrogedunin (7DG), a limonoid natural compound, was selected. The expression of MITF, tyrosinase, and PMEL/gp100; tyrosinase enzyme activity; and melanin content, which were increased by ATP treatment were abrogated by 7DG. Even when 7DG was treated in PHEMs without addition of ATP, tyrosinase expression and melanin content were significantly decreased. Hypopigmenting effect of 7DG was confirmed in ex vivo culture of human skins. CONCLUSIONS 7DG has an anti-melanogenic effect through ATP-P2X7 pathway inhibition and could be a potential skin whitening material.
Collapse
Affiliation(s)
- Sujin Park
- Department of Dermatology and Cutaneous Biology Research Institute, Severance Hospital, Yonsei University College of Medicine, Seoul, Korea
| | - Eun Ju Choi
- College of Pharmacy, Institute of Pharmaceutical Sciences, Yonsei University, Incheon, Korea
| | - Ji Young Kim
- Department of Dermatology and Cutaneous Biology Research Institute, Severance Hospital, Yonsei University College of Medicine, Seoul, Korea
| | - Eun Jung Lee
- Department of Dermatology and Cutaneous Biology Research Institute, Severance Hospital, Yonsei University College of Medicine, Seoul, Korea
| | - Yu Jeong Bae
- Department of Dermatology and Cutaneous Biology Research Institute, Severance Hospital, Yonsei University College of Medicine, Seoul, Korea
| | - Seol Hwa Seong
- Department of Dermatology and Cutaneous Biology Research Institute, Severance Hospital, Yonsei University College of Medicine, Seoul, Korea
| | - Jinu Lee
- College of Pharmacy, Institute of Pharmaceutical Sciences, Yonsei University, Incheon, Korea.
| | - Sang Ho Oh
- Department of Dermatology and Cutaneous Biology Research Institute, Severance Hospital, Yonsei University College of Medicine, Seoul, Korea.
| |
Collapse
|
11
|
Miyasaka K, Manse Y, Yoneda A, Takeda S, Shimizu N, Yamada W, Morikawa T, Shimoda H. Anti‐melanogenic effects of glucosylceramides and elasticamide derived from rice oil by‐products in melanoma cells, melanocytes, and human skin. J Food Biochem 2022; 46:e14353. [DOI: 10.1111/jfbc.14353] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2022] [Revised: 06/24/2022] [Accepted: 06/30/2022] [Indexed: 12/29/2022]
Affiliation(s)
| | - Yoshiaki Manse
- Pharmaceutical Research and Technology Institute Kindai University Higashi‐osaka Japan
| | - Akari Yoneda
- Oryza Oil & Fat Chemical Co., Ltd. Ichinomiya Japan
| | - Shogo Takeda
- Oryza Oil & Fat Chemical Co., Ltd. Ichinomiya Japan
| | | | - Wakana Yamada
- Pharmaceutical Research and Technology Institute Kindai University Higashi‐osaka Japan
| | - Toshio Morikawa
- Pharmaceutical Research and Technology Institute Kindai University Higashi‐osaka Japan
| | | |
Collapse
|
12
|
Skin-Aging Pigmentation: Who Is the Real Enemy? Cells 2022; 11:cells11162541. [PMID: 36010618 PMCID: PMC9406699 DOI: 10.3390/cells11162541] [Citation(s) in RCA: 26] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2022] [Revised: 08/10/2022] [Accepted: 08/11/2022] [Indexed: 12/21/2022] Open
Abstract
Skin aging is induced and sustained by chronological aging and photoaging. Aging skin pigmentation such as mottled pigmentation (senile lentigo) and melasma are typical signs of photoaging. The skin, like other human organs, undergoes cellular senescence, and senescent cells in the skin increase with age. The crosstalk between melanocytes as pigmentary cells and other adjacent types of aged skin cells such as senescent fibroblasts play a role in skin-aging pigmentation. In this review, we provide an overview of cellular senescence during the skin-aging process. The discussion also includes cellular senescence related to skin-aging pigmentation and the therapeutic potential of regulating the senescence process.
Collapse
|
13
|
Sharafian S, Jacomelli G, Tamizifar B, Shahrooei M, Parvaneh N. Adenosine Deaminase (ADA) Deficiency: Report of Six New Cases and Reappraisal of Cutaneous Hypermelanosis as an Early Feature. J Clin Immunol 2022; 42:1618-1621. [PMID: 35906326 DOI: 10.1007/s10875-022-01337-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2022] [Accepted: 07/23/2022] [Indexed: 10/16/2022]
Affiliation(s)
- Samin Sharafian
- Department of Allergy and Clinical Immunology, Mofid Children's Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Gabriella Jacomelli
- Department of Biotechnology, Chemistry, and Pharmacy, University of Siena, Via A. Moro 2, 53100, Siena, Italy
| | | | - Mohammad Shahrooei
- Department of Microbiology and Immunology, Laboratory of Clinical Bacteriology and Mycology, KU Leuven, Leuven, Belgium.,Specialized Immunology Laboratory of Dr. Shahrooei, Ashrafi Esfahani Blvd, 22nd Bahman St, No 34,, Tehran, Iran
| | - Nima Parvaneh
- Division of Allergy and Clinical Immunology, Department of Pediatrics, Tehran University of Medical Sciences, Tehran, Iran. .,Children's Medical Centre, No 62 Gharib St, Tehran, 1419733152, Iran.
| |
Collapse
|
14
|
Hua SQ, Hu JL, Zou FL, Liu JP, Luo HL, Hu DX, Wu LD, Zhang WJ. P2X7 receptor in inflammation and pain. Brain Res Bull 2022; 187:199-209. [PMID: 35850190 DOI: 10.1016/j.brainresbull.2022.07.006] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2022] [Revised: 06/15/2022] [Accepted: 07/13/2022] [Indexed: 11/02/2022]
Abstract
Different studies have confirmed P2X7 receptor-mediated inflammatory mediators play a key role in the development of pain. P2X7 receptor activation can induce the development of pain by mediating the release of inflammatory mediators. In view of the fact that P2X7 receptor is expressed in the nervous system and immune system, it is closely related to the stability and maintenance of the nervous system function. ATP activates P2X7 receptor, opens non-selective cation channels, activates multiple intracellular signaling, releases multiple inflammatory cytokines, and induces pain. At present, the role of P2X7 receptor in inflammatory response and pain has been widely recognized and affirmed. Therefore, in this paper, we discussed the pathological mechanism of P2X7 receptor-mediated inflammation and pain, focused on the internal relationship between P2X7 receptor and pain. Moreover, we also described the effects of some antagonists on pain relief by inhibiting the activities of P2X7 receptor. Thus, targeting to inhibit activation of P2X7 receptor is expected to become another potential target for the relief of pain.
Collapse
Affiliation(s)
- Shi-Qi Hua
- Nanchang University, Nanchang City 343000, Jiangxi Province, China
| | - Jia-Ling Hu
- Emergency Department, The Second Affiliated Hospital, Nanchang University, Nanchang City 343000, Jiangxi Province, China
| | - Fei-Long Zou
- Gastrointestinal Surgery, The Second Affiliated Hospital, Nanchang University, Nanchang City 343000, Jiangxi Province, China
| | - Ji-Peng Liu
- Gastrointestinal Surgery, The Second Affiliated Hospital, Nanchang University, Nanchang City 343000, Jiangxi Province, China
| | - Hong-Liang Luo
- Gastrointestinal Surgery, The Second Affiliated Hospital, Nanchang University, Nanchang City 343000, Jiangxi Province, China
| | - Dong-Xia Hu
- Department of Rehabilitation Medicine, The Second Affiliated Hospital, Nanchang University, Nanchang City 343000, Jiangxi Province, China.
| | - Li-Dong Wu
- Emergency Department, The Second Affiliated Hospital, Nanchang University, Nanchang City 343000, Jiangxi Province, China.
| | - Wen-Jun Zhang
- Department of Rehabilitation Medicine, The Second Affiliated Hospital, Nanchang University, Nanchang City 343000, Jiangxi Province, China.
| |
Collapse
|
15
|
Brunsdon H, Brombin A, Peterson S, Postlethwait JH, Patton EE. Aldh2 is a lineage-specific metabolic gatekeeper in melanocyte stem cells. Development 2022; 149:275182. [PMID: 35485397 PMCID: PMC9188749 DOI: 10.1242/dev.200277] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2021] [Accepted: 04/20/2022] [Indexed: 12/31/2022]
Abstract
Melanocyte stem cells (McSCs) in zebrafish serve as an on-demand source of melanocytes during growth and regeneration, but metabolic programs associated with their activation and regenerative processes are not well known. Here, using live imaging coupled with scRNA-sequencing, we discovered that, during regeneration, quiescent McSCs activate a dormant embryonic neural crest transcriptional program followed by an aldehyde dehydrogenase (Aldh) 2 metabolic switch to generate progeny. Unexpectedly, although ALDH2 is well known for its aldehyde-clearing mechanisms, we find that, in regenerating McSCs, Aldh2 activity is required to generate formate – the one-carbon (1C) building block for nucleotide biosynthesis – through formaldehyde metabolism. Consequently, we find that disrupting the 1C cycle with low doses of methotrexate causes melanocyte regeneration defects. In the absence of Aldh2, we find that purines are the metabolic end product sufficient for activated McSCs to generate progeny. Together, our work reveals McSCs undergo a two-step cell state transition during regeneration, and that the reaction products of Aldh2 enzymes have tissue-specific stem cell functions that meet metabolic demands in regeneration. Summary: In zebrafish melanocyte regeneration, quiescent McSCs respond by re-expressing a neural crest identity, followed by an Aldh2-dependent metabolic switch to generate progeny.
Collapse
Affiliation(s)
- Hannah Brunsdon
- MRC Human Genetics Unit, Institute of Genetics and Cancer, The University of Edinburgh, Western General Hospital Campus, Crewe Road, Edinburgh EH4 2XU, UK.,Cancer Research UK Scotland Centre, Institute of Genetics and Cancer, The University of Edinburgh, Western General Hospital Campus, Crewe Road, Edinburgh EH4 2XU, UK
| | - Alessandro Brombin
- MRC Human Genetics Unit, Institute of Genetics and Cancer, The University of Edinburgh, Western General Hospital Campus, Crewe Road, Edinburgh EH4 2XU, UK.,Cancer Research UK Scotland Centre, Institute of Genetics and Cancer, The University of Edinburgh, Western General Hospital Campus, Crewe Road, Edinburgh EH4 2XU, UK
| | - Samuel Peterson
- Institute of Neuroscience, University of Oregon, Eugene, OR 97403, USA
| | | | - E Elizabeth Patton
- MRC Human Genetics Unit, Institute of Genetics and Cancer, The University of Edinburgh, Western General Hospital Campus, Crewe Road, Edinburgh EH4 2XU, UK.,Cancer Research UK Scotland Centre, Institute of Genetics and Cancer, The University of Edinburgh, Western General Hospital Campus, Crewe Road, Edinburgh EH4 2XU, UK
| |
Collapse
|
16
|
Kang HY, Lee JW, Papaccio F, Bellei B, Picardo M. Alterations of the pigmentation system in the aging process. Pigment Cell Melanoma Res 2021; 34:800-813. [PMID: 34048137 DOI: 10.1111/pcmr.12994] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2021] [Revised: 05/17/2021] [Accepted: 05/19/2021] [Indexed: 01/10/2023]
Abstract
Human skin aging is a natural phenomenon that results from continuous exposure to intrinsic (time, genetic factors, hormones) as well as extrinsic factors (UV exposure, pollution, tobacco). In areas that are frequently exposed to the sun, photoaging blends with the process of intrinsic aging, resulting in an increased senescent cells number and consequently accelerating the aging process. The severity of photodamage depends on constitutional factors, including skin phototype (skin color, tanning capacity), intensity, and duration of sunlight/UV exposure. Aging affects nearly every aspect of cutaneous biology, including pigmentation. Clinically, the phenotype of age pigmented skin has a mottled, uneven color, primarily due to age spots, with or without hypopigmentation. Uneven pigmentation might be attributed to the hyperactivation of melanocytes, altered distribution of pigment, and turnover. In addition to direct damage to pigment-producing cells, photodamage alters the physiological crosstalk between keratinocytes, fibroblasts, endothelial cells, and melanocytes responsible for natural pigmentation homeostasis. Interestingly, age-independent diffuse expression of senescence-associated markers in the dermal and epidermal compartment is also associated with vitiligo, suggesting that premature senescence plays an important role in the pathology.
Collapse
Affiliation(s)
- Hee Young Kang
- Department of Dermatology, Ajou University School of Medicine, Suwon, Korea
| | - Jin Wook Lee
- Department of Medical Sciences, Ajou University Graduate School of Medicine, Suwon, Korea.,Department of Dermatology, College of Medicine, Chungbuk National University, Cheongju, Korea
| | - Federica Papaccio
- Cutaneous Physiopathology and Integrated Center of Metabolomics Research, San Gallicano Dermatological Institute, IRCCS, Rome, Italy
| | - Barbara Bellei
- Cutaneous Physiopathology and Integrated Center of Metabolomics Research, San Gallicano Dermatological Institute, IRCCS, Rome, Italy
| | - Mauro Picardo
- Cutaneous Physiopathology and Integrated Center of Metabolomics Research, San Gallicano Dermatological Institute, IRCCS, Rome, Italy
| |
Collapse
|
17
|
AZD-9056, a P2X7 receptor inhibitor, suppresses ATP-induced melanogenesis. J Dermatol Sci 2020; 100:227-229. [PMID: 33051087 DOI: 10.1016/j.jdermsci.2020.09.008] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2020] [Revised: 09/16/2020] [Accepted: 09/16/2020] [Indexed: 12/15/2022]
|
18
|
Kim W, Lee EJ, Bae IH, Myoung K, Kim ST, Park PJ, Lee KH, Pham AVQ, Ko J, Oh SH, Cho EG. Lactobacillus plantarum-derived extracellular vesicles induce anti-inflammatory M2 macrophage polarization in vitro. J Extracell Vesicles 2020; 9:1793514. [PMID: 32944181 PMCID: PMC7480564 DOI: 10.1080/20013078.2020.1793514] [Citation(s) in RCA: 63] [Impact Index Per Article: 15.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Probiotics offer various health benefits. Lactobacillus plantarum has been used for decades to enhance human intestinal mucosal immunity and improve skin barrier integrity. Extracellular vesicles (EVs) derived from eukaryotic or prokaryotic cells have been recognized as efficient carriers for delivery of biomolecules to recipient cells, and to efficiently regulate human pathophysiology. However, the mechanism underlying the beneficial effects of probiotic bacteria-derived EVs on human skin is unclear. Herein, we investigated how L. plantarum-derived EVs (LEVs) exert beneficial effects on human skin by examining the effect of LEVs on cutaneous immunity, particularly on macrophage polarization. LEVs promoted differentiation of human monocytic THP1 cells towards an anti-inflammatory M2 phenotype, especially M2b, by inducing biased expression of cell-surface markers and cytokines associated with M2 macrophages. Pre- or post-treatment with LEVs under inflammatory M1 macrophage-favouring conditions, induced by LPS and interferon-γ, inhibited M1-associated surface marker, HLA-DRα expression. Moreover, LEV treatment significantly induced expression of macrophage-characteristic cytokines, IL-1β, GM-CSF and the representative anti-inflammatory cytokine, IL-10, in human skin organ cultures. Hence, LEVs can trigger M2 macrophage polarization in vitro, and induce an anti-inflammatory phenomenon in the human skin, and may be a potent anti-inflammatory strategy to alleviate hyperinflammatory skin conditions.
Collapse
Affiliation(s)
- Wanil Kim
- Basic Research and Innovation Division, R&D Center, Amorepacific Corporation, Yongin, Republic of Korea.,Division of Cosmetic Science & Technology, Daegu Haany University, Gyeongsan, Republic of Korea
| | - Eun Jung Lee
- Department of Dermatology and Cutaneous Biology Research Institute, Severance Hospital, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Il-Hong Bae
- Basic Research and Innovation Division, R&D Center, Amorepacific Corporation, Yongin, Republic of Korea
| | - Kilsun Myoung
- Basic Research and Innovation Division, R&D Center, Amorepacific Corporation, Yongin, Republic of Korea
| | - Sung Tae Kim
- Basic Research and Innovation Division, R&D Center, Amorepacific Corporation, Yongin, Republic of Korea
| | - Phil June Park
- Basic Research and Innovation Division, R&D Center, Amorepacific Corporation, Yongin, Republic of Korea
| | - Kyung-Ha Lee
- Division of Cosmetic Science & Technology, Daegu Haany University, Gyeongsan, Republic of Korea
| | | | - Jaeyoung Ko
- Basic Research and Innovation Division, R&D Center, Amorepacific Corporation, Yongin, Republic of Korea
| | - Sang Ho Oh
- Department of Dermatology and Cutaneous Biology Research Institute, Severance Hospital, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Eun-Gyung Cho
- Basic Research and Innovation Division, R&D Center, Amorepacific Corporation, Yongin, Republic of Korea
| |
Collapse
|
19
|
Fueling Melanocytes with ATP from Keratinocytes Accelerates Melanin Synthesis. J Invest Dermatol 2020; 139:1424-1426. [PMID: 31230638 DOI: 10.1016/j.jid.2019.03.1137] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2019] [Revised: 03/25/2019] [Accepted: 03/25/2019] [Indexed: 11/20/2022]
Abstract
Melanocyte homoeostasis and their response to ultraviolet radiation (UVR) are mediated to a large extent by keratinocyte-derived factors, many of which have been well-characterized. Lee et al. describe novel effects of adenosine 5'-triphosphate (ATP), which is secreted by keratinocytes and can stimulate melanogenesis by melanocytes following UVA exposure. The investigators attribute the melanogenic effect of ATP to binding purinergic receptors type 2 X7 (P2X7), which are expressed on human melanocytes, leading to activation of the protein kinase C pathway. This report is the first to identify expression of specific purinergic receptors on human melanocytes, and it suggests ATP as a signaling molecule that stimulates pigmentation. Follow up on these results should clarify the physiological role of ATP in mediating the tanning response to solar UVR.
Collapse
|
20
|
Ahn Y, Seo J, Lee EJ, Kim JY, Park MY, Hwang S, Almurayshid A, Lim BJ, Yu JW, Oh SH. ATP-P2X7-Induced Inflammasome Activation Contributes to Melanocyte Death and CD8 + T-Cell Trafficking to the Skin in Vitiligo. J Invest Dermatol 2020; 140:1794-1804.e4. [PMID: 32035094 DOI: 10.1016/j.jid.2019.12.035] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2019] [Revised: 12/16/2019] [Accepted: 12/18/2019] [Indexed: 01/16/2023]
Abstract
Extracellular adenosine 5'-triphosphate (ATP) is a well-known inflammasome-activating signal. Emerging evidence demonstrates a critical role for inflammasome activation in vitiligo pathogenesis. However, the specific molecular mechanism of inflammasome-dependent melanocyte degeneration in vitiligo is still not clear. This study presents how extracellular ATP, released from keratinocytes by oxidative stress, affects melanocyte survival in vitiligo skin. H2O2-induced oxidative injury increased ATP release from keratinocytes and skin tissues. The high concentration of extracellular ATP induced both ROS production and cell death in melanocytes. Treatment with ATP caused the activation of caspase-1 as well as the production of active forms of IL-1β and IL-18 via P2X7 receptor in keratinocytes and melanocytes. Lesional and perilesional skin of vitiligo showed higher levels of ATP as well as upregulation of active caspase-1 compared with nonlesional skin, suggesting its possible role in inflammasome activation in vitiligo. Moreover, the elevated expression of CXCL9 in keratinocytes, mediated through ATP/P2X7 receptor-dependent inflammasome activation, was responsible for CLA+CD8+ T-cell chemotaxis into the skin. These results demonstrate that extracellular ATP as a danger signal activates the inflammasome pathway and increases cutaneous chemotaxis of CD8+ T cells via CXCL9 in vitiligo. Therefore, targeting ATP-P2X7 signaling may be a potential strategy for vitiligo treatment.
Collapse
Affiliation(s)
- Yuri Ahn
- Department of Dermatology and Cutaneous Biology Research Institute, Severance Hospital, Yonsei University College of Medicine, Seoul, Korea
| | - Jimyung Seo
- Department of Dermatology and Cutaneous Biology Research Institute, Severance Hospital, Yonsei University College of Medicine, Seoul, Korea; Graduate School of Medical Science and Engineering, Korea Advanced Institute of Science and Engineering, Daejeon, Korea
| | - Eun Jung Lee
- Department of Dermatology and Cutaneous Biology Research Institute, Severance Hospital, Yonsei University College of Medicine, Seoul, Korea; Brain Korea 21 PLUS Project for Medical Science, Yonsei University College of Medicine, Seoul, Korea
| | - Ji Young Kim
- Department of Dermatology and Cutaneous Biology Research Institute, Severance Hospital, Yonsei University College of Medicine, Seoul, Korea
| | - Min-Young Park
- Department of Dermatology and Cutaneous Biology Research Institute, Severance Hospital, Yonsei University College of Medicine, Seoul, Korea
| | - Shinwon Hwang
- Department of Dermatology and Cutaneous Biology Research Institute, Severance Hospital, Yonsei University College of Medicine, Seoul, Korea
| | - Abdurrahman Almurayshid
- Department of Medicine, College of Medicine, Prince Sattam Bin Abdulaziz University, Saudi Arabia
| | - Beom Jin Lim
- Department of Pathology, Yonsei University College of Medicine, Seoul, Korea
| | - Je-Wook Yu
- Department of Microbiology, Brain Korea 21 PLUS project for Medical Science, Yonsei University College of Medicine, Seoul, Korea
| | - Sang Ho Oh
- Department of Dermatology and Cutaneous Biology Research Institute, Severance Hospital, Yonsei University College of Medicine, Seoul, Korea; Brain Korea 21 PLUS Project for Medical Science, Yonsei University College of Medicine, Seoul, Korea.
| |
Collapse
|