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Gębalski J, Małkowska M, Wnorowska S, Gawenda-Kempczyńska D, Strzemski M, Wójciak M, Słomka A, Styczyński J, Załuski D. Ethyl Acetate Fraction from Eleutherococcus divaricatus Root Extract as a Promising Source of Compounds with Anti-Hyaluronidase, Anti-Tyrosinase, and Antioxidant Activity but Not Anti-Melanoma Activity. Molecules 2024; 29:3640. [PMID: 39125044 DOI: 10.3390/molecules29153640] [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: 06/26/2024] [Revised: 07/25/2024] [Accepted: 07/29/2024] [Indexed: 08/12/2024] Open
Abstract
Eleutherococcus divaricatus (Siebold and Zucc.) S. Y. Hu. has been used in Traditional Chinese Medicine (TCM) due to its anticancer, immunostimulant, and anti-inflammatory activities. However, its mechanism of action and chemical composition are still insufficiently understood and require more advanced research, especially for cases in which anti-inflammatory properties are beneficial. The aim of this study was to evaluate the impact of E. divaricatus root extracts and fractions on proinflammatory serum hyaluronidase and tyrosinase in children diagnosed with acute lymphoblastic leukemia. Antioxidant and anti-melanoma activities were also examined and correlated with metabolomic data. For the first time, we discovered that the ethyl acetate fraction significantly inhibits hyaluronidase activity, with mean group values of 55.82% and 63.8% for aescin used as a control. However, interestingly, the fraction showed no activity against human tyrosinase, and in A375 melanoma cells treated with a doxorubicin fraction, doxorubicin activity decreased. This fraction exhibited the most potent antioxidant activity, which can be attributed to high contents of polyphenols, especially caffeic acid (24 mg/g). The findings suggest an important role of the ethyl acetate fraction in hyaluronidase inhibition, which may additionally indicate its anti-inflammatory property. The results suggest that this fraction can be used in inflammatory-related diseases, although with precautions in cases of patients undergoing chemotherapy.
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Affiliation(s)
- Jakub Gębalski
- Department of Pharmaceutical Botany and Pharmacognosy, Ludwik Rydygier Collegium Medicum, Nicolaus Copernicus University, 85-094 Bydgoszcz, Poland
| | - Milena Małkowska
- Department of Pharmaceutical Botany and Pharmacognosy, Ludwik Rydygier Collegium Medicum, Nicolaus Copernicus University, 85-094 Bydgoszcz, Poland
| | - Sylwia Wnorowska
- Department of Medical Chemistry, Medical University of Lublin, 20-093 Lublin, Poland
| | - Dorota Gawenda-Kempczyńska
- Department of Pharmaceutical Botany and Pharmacognosy, Ludwik Rydygier Collegium Medicum, Nicolaus Copernicus University, 85-094 Bydgoszcz, Poland
| | - Maciej Strzemski
- Department of Analytical Chemistry, Medical University of Lublin, 20-093 Lublin, Poland
| | - Magdalena Wójciak
- Department of Analytical Chemistry, Medical University of Lublin, 20-093 Lublin, Poland
| | - Artur Słomka
- Department of Pathophysiology, Ludwik Rydygier Collegium Medicum, Nicolaus Copernicus University, 85-094 Bydgoszcz, Poland
| | - Jan Styczyński
- Department of Pediatric Hematology and Oncology, Ludwik Rydygier Collegium Medicum, Nicolaus Copernicus University, 85-094 Bydgoszcz, Poland
| | - Daniel Załuski
- Department of Pharmaceutical Botany and Pharmacognosy, Ludwik Rydygier Collegium Medicum, Nicolaus Copernicus University, 85-094 Bydgoszcz, Poland
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Zaborowski MK, Długosz A, Błaszak B, Szulc J, Leis K. The Role of Quercetin as a Plant-Derived Bioactive Agent in Preventive Medicine and Treatment in Skin Disorders. Molecules 2024; 29:3206. [PMID: 38999158 PMCID: PMC11243040 DOI: 10.3390/molecules29133206] [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: 05/31/2024] [Revised: 06/30/2024] [Accepted: 07/04/2024] [Indexed: 07/14/2024] Open
Abstract
Quercetin, a bioactive plant flavonoid, is an antioxidant, and as such it exhibits numerous beneficial properties including anti-inflammatory, antiallergic, antibacterial and antiviral activity. It occurs naturally in fruit and vegetables such as apples, blueberries, cranberries, lettuce, and is present in plant waste such as onion peel or grape pomace which constitute good sources of quercetin for technological or pharmaceutical purposes. The presented study focuses on the role of quercetin in prevention and treatment of dermatological diseases analyzing its effect at a molecular level, its signal transduction and metabolism. Presented aspects of quercetin potential for skin treatment include protection against aging and UV radiation, stimulation of wound healing, reduction in melanogenesis, and prevention of skin oxidation. The article discusses quercetin sources (plant waste products included), methods of its medical administration, and perspectives for its further use in dermatology and diet therapy.
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Affiliation(s)
- Michał Kazimierz Zaborowski
- Department of Food Industry Technology and Engineering, Faculty of Chemical Technology and Engineering, Bydgoszcz University of Science and Technology, 85-326 Bydgoszcz, Poland
| | - Anna Długosz
- Department of Food Industry Technology and Engineering, Faculty of Chemical Technology and Engineering, Bydgoszcz University of Science and Technology, 85-326 Bydgoszcz, Poland
| | - Błażej Błaszak
- Department of Food Industry Technology and Engineering, Faculty of Chemical Technology and Engineering, Bydgoszcz University of Science and Technology, 85-326 Bydgoszcz, Poland
| | - Joanna Szulc
- Department of Food Industry Technology and Engineering, Faculty of Chemical Technology and Engineering, Bydgoszcz University of Science and Technology, 85-326 Bydgoszcz, Poland
| | - Kamil Leis
- Faculty of Medicine, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Toruń, 87-100 Toruń, Poland
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Di Lorenzo R, Di Lorenzo V, Di Serio T, Marzocchi A, Ricci L, Vardaro E, Greco G, Maisto M, Grumetto L, Piccolo V, Morelli E, Laneri S. Phenylalanine Butyramide: A Butyrate Derivative as a Novel Inhibitor of Tyrosinase. Int J Mol Sci 2024; 25:7310. [PMID: 39000417 PMCID: PMC11242249 DOI: 10.3390/ijms25137310] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2024] [Revised: 06/25/2024] [Accepted: 06/27/2024] [Indexed: 07/16/2024] Open
Abstract
Metabolites resulting from the bacterial fermentation of dietary fibers, such as short-chain fatty acids, especially butyrate, play important roles in maintaining gut health and regulating various biological effects in the skin. However, butyrate is underutilized due to its unpleasant odor. To circumvent this organoleptic unfavorable property, phenylalanine butyramide (PBA), a butyrate precursor, has been synthesized and is currently available on the market. We evaluated the inhibition of mushroom tyrosinase by butyrate and PBA through in vitro assays, finding IC50 values of 34.7 mM and 120.3 mM, respectively. Docking calculations using a homology model of human tyrosinase identified a putative binding mode of PBA into the catalytic site. The anti-aging and anti-spot efficacy of topical PBA was evaluated in a randomized, double-blind, parallel-arm, placebo-controlled clinical trial involving 43 women affected by photo-damage. The results of this study showed that PBA significantly improved skin conditions compared to the placebo and was well tolerated. Specifically, PBA demonstrated strong skin depigmenting activity on both UV and brown spots (UV: -12.7% and -9.9%, Bs: -20.8% and -17.7% after 15 and 30 days, respectively, p < 0.001). Moreover, PBA brightened and lightened the skin (ITA°: +12% and 13% after 15 and 30 days, respectively, p < 0.001). Finally, PBA significantly improved skin elasticity (Ua/Uf: +12.4% and +32.3% after 15 and 30 days, respectively, p < 0.001) and firmness (Uf: -3.2% and -14.9% after 15 and 30 days, respectively, p < 0.01).
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Affiliation(s)
- Ritamaria Di Lorenzo
- Department of Pharmacy, Università degli Studi di Napoli Federico II, 80131 Naples, Italy
| | - Vincenzo Di Lorenzo
- Department of Organic Chemistry and Technology, Faculty of Chemical Technology and Biotechnology, Budapest University of Technology and Economics, Müegyetem rkp. 3, H-1111 Budapest, Hungary
| | - Teresa Di Serio
- Department of Pharmacy, Università degli Studi di Napoli Federico II, 80131 Naples, Italy
| | - Adua Marzocchi
- Department of Pharmacy, Università degli Studi di Napoli Federico II, 80131 Naples, Italy
| | - Lucia Ricci
- Department of Pharmacy, Università degli Studi di Napoli Federico II, 80131 Naples, Italy
| | - Eleonora Vardaro
- Department of Pharmacy, Università degli Studi di Napoli Federico II, 80131 Naples, Italy
| | - Giovanni Greco
- Department of Pharmacy, Università degli Studi di Napoli Federico II, 80131 Naples, Italy
| | - Maria Maisto
- Department of Pharmacy, Università degli Studi di Napoli Federico II, 80131 Naples, Italy
| | - Lucia Grumetto
- Department of Pharmacy, Università degli Studi di Napoli Federico II, 80131 Naples, Italy
| | - Vincenzo Piccolo
- Department of Pharmacy, Università degli Studi di Napoli Federico II, 80131 Naples, Italy
| | - Elena Morelli
- Department of Pharmacy, Università degli Studi di Napoli Federico II, 80131 Naples, Italy
| | - Sonia Laneri
- Department of Pharmacy, Università degli Studi di Napoli Federico II, 80131 Naples, Italy
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Chen Z, Cao P, Zhang Y, Hong N, Li P, Yao H. Establishment of an in vitro cell coculture model for investigating the whitening mechanism of Paeonia lactiflora Pall seeds oil. J Cosmet Dermatol 2024. [PMID: 38864461 DOI: 10.1111/jocd.16370] [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: 03/14/2024] [Revised: 04/28/2024] [Accepted: 05/03/2024] [Indexed: 06/13/2024]
Abstract
BACKGROUND In vitro single-cell experiments may yield inconsistent results compared to clinical trials. To enhance the reliability of cosmetic active ingredient screening, a coculture model of B16F10-HaCaT cells was established in vitro based on the structural characteristics of human skin, thereby improving the credibility of experimental outcomes. Currently, most cosmetic whitening additives primarily target simple efficacy goals such as inhibiting tyrosinase activity or melanin transfer. Therefore, investigating novel and efficient whitening additives has become a prominent research focus. OBJECTIVES The aim is to establish an in vitro cell coculture model for more reliable experimental results and investigate the mechanism by which Paeonia lactiflora Pall seeds oil inhibits melanin production and transfer. METHODS The impact of different concentrations of Paeonia lactiflora Pall seeds oil on cocultured cell proliferation rate was assessed using cck8 assay. Tyrosinase inhibition ability in cocultured cells was tested using levodopa as a substrate. Melanin production inhibition ability in coculture cells was evaluated by lysing cells with sodium hydroxide. The effect of Paeonia lactiflora Pall seeds oil on dendrite-related gene expression levels was examined through qPCR analysis. Additionally, Western blotting was employed to study the effect of Paeonia lactiflora Pall seeds oil on dendrite-related protein expression levels. RESULTS Different concentrations of Paeonia lactiflora Pall seeds oil did not affect the proliferation activity of cocultured cells. A specific concentration of α-MSH increased cell tyrosinase activity, cellular melanin content, as well as Rac1, Cdc42, and PAR-2 gene and protein expression related to dendritic formation. Treatment with a certain concentration of Paeonia lactiflora Pall seeds oil resulted in decreased tyrosinase activity and melanin content in cells along with downregulated expression levels of Rac1, Cdc42, and PAR-2 genes and proteins associated with dendritic formation. CONCLUSIONS Paeonia lactiflora Pall seeds oil at specific concentrations exhibits the ability to inhibit tyrosinase activity, decrease melanin content, and possesses the potential to impede melanin transfer.
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Affiliation(s)
| | - Ping Cao
- Huzhou Jiaheng Industrial Co., Ltd, Huzhou, China
| | | | - Ni Hong
- Huzhou Jiaheng Industrial Co., Ltd, Huzhou, China
| | - Ping Li
- Huzhou Jiaheng Industrial Co., Ltd, Huzhou, China
| | - Hong Yao
- Huzhou Jiaheng Industrial Co., Ltd, Huzhou, China
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Monmai C, Kim JS, Baek SH. Resveratrol-Enriched Rice Callus Extract Inhibits Oxidative and Cellular Melanogenic Activities in Melan-A Cells. Antioxidants (Basel) 2024; 13:625. [PMID: 38929064 PMCID: PMC11201182 DOI: 10.3390/antiox13060625] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2024] [Revised: 05/16/2024] [Accepted: 05/20/2024] [Indexed: 06/28/2024] Open
Abstract
The excessive production of melanin can cause skin diseases and hyperpigmentation. In this study, resveratrol contained in Dongjin rice seed (DJ526) was increased through callus induction. The antioxidant capacity of resveratrol-enriched rice callus was evaluated using the ABTS radical scavenging method and was equivalent to that of vitamin C. DJ526 rice callus extract significantly increased antioxidant activities in a concentration-dependent manner. The anti-melanogenesis effects of DJ526 rice callus extract were also evaluated in melan-a cells. Resveratrol-enriched rice callus extract significantly (i) decreased the size and number of melanin-containing cells, (ii) suppressed the activity of cellular tyrosinase and melanin content, (iii) downregulated the expression of microphthalmia-associated transcription factor, tyrosinase, tyrosinase-related protein-1, and tyrosinase-related protein-2, (iv) increased the expression of phosphorylated extracellular signal-regulated kinase 1/2 and protein kinase B, and (v) inhibited the activation of phosphorylated p38 in melan-a cells. From the above observations, DJ526 rice callus extract showed strong antioxidant and anti-melanogenesis activity at the concentration test. These findings indicate the potential of resveratrol-enriched rice callus as a novel agent for controlling hyperpigmentation.
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Affiliation(s)
| | | | - So-Hyeon Baek
- Department of Agriculture Life Science, Sunchon National University, Suncheon 59722, Republic of Korea; (C.M.); (J.-S.K.)
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Yang Y, Lv Z, An Q, Xu D, Sun L, Wang Y, Chen X, Shao X, Huo T, Yang S, Liu J, Luo H, Quan Q. Tricholoma matsutake polysaccharides suppress excessive melanogenesis via JNK-mediated pathway: Investigation in 8- methoxypsoralen induced B16-F10 melanoma cells and clinical study. Heliyon 2024; 10:e29363. [PMID: 38644864 PMCID: PMC11033116 DOI: 10.1016/j.heliyon.2024.e29363] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2023] [Revised: 03/29/2024] [Accepted: 04/07/2024] [Indexed: 04/23/2024] Open
Abstract
Skin hyperpigmentation is a worldwide condition associated with augmented melanogenesis. However, conventional therapies often entail various adverse effects. Here, we explore the safety range and depigmentary effects of polysaccharides extract of Tricholoma matsutake (PETM) in an in vitro model and further evaluated its efficacy at the clinical level. An induced-melanogenesis model was established by treating B16-F10 melanoma cells with 8-methoxypsoralen (8-MOP). Effects of PETM on cell viability and melanin content were examined and compared to a commonly used depigmentary agent, α-arbutin. Expressions of key melanogenic factors and upstream signaling pathway were analysed by quantitative PCR and western blot. Moreover, a placebo-controlled clinical study involving Chinese females with skin hyperpigmentation was conducted to measure the efficacy of PETM on improving facial pigmented spots, melanin index, and individual typology angle (ITA°). Results demonstrated that PETM (up to 0.5 mg/mL) had little effect on the viability and motility of B16-F10 cells. Notably, it significantly suppressed the melanin content and expressions of key melanogenic factors induced by 8-MOP in B16-F10 melanoma cells. Western blotting results revealed that PETM inhibited melanogenesis by inactivating c-Jun N-terminal kinase (JNK), and this inhibitory role could be rescued by JNK agonist treatment. Clinical findings showed that PETM treatment resulted in a significant reduction of facial hyperpigmented spot, decreased melanin index, and improved ITA° value compared to the placebo-control group. In conclusion, these in vitro and clinical evidence demonstrated the safety and depigmentary efficacy of PETM, a novel polysaccharide agent. The distinct mechanism of action of PETM on melanogenic signaling pathway positions it as a promising agent for developing alternative therapies.
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Affiliation(s)
- Yang Yang
- Yunnan Baiyao Group Co., Ltd., Kunming, 650504, China
- East Asia Skin Health Research Center, Beijing, 100037, China
| | - Zheng Lv
- State Key Laboratory of Agrobiotechnology, College of Biological Sciences, China Agricultural University, Beijing, 100193, China
| | - Quan An
- Yunnan Baiyao Group Co., Ltd., Kunming, 650504, China
- East Asia Skin Health Research Center, Beijing, 100037, China
| | - Detian Xu
- Shanghai Skin Disease Hospital, Tongji University Medical School, Shanghai, 200050, China
- The Ice Dermalab, Shanghai, 200050, China
| | - Longjie Sun
- State Key Laboratory of Agrobiotechnology, College of Biological Sciences, China Agricultural University, Beijing, 100193, China
| | - Yiming Wang
- East Asia Skin Health Research Center, Beijing, 100037, China
| | - Xuexue Chen
- State Key Laboratory of Agrobiotechnology, College of Biological Sciences, China Agricultural University, Beijing, 100193, China
| | - Xue Shao
- Yunnan Baiyao Group Co., Ltd., Kunming, 650504, China
- East Asia Skin Health Research Center, Beijing, 100037, China
| | - Tong Huo
- Yunnan Baiyao Group Co., Ltd., Kunming, 650504, China
- East Asia Skin Health Research Center, Beijing, 100037, China
| | - Shuangrui Yang
- Kunming Hospital of Traditional Chinese Medicine, Kunming, 650011, China
| | - Jiali Liu
- State Key Laboratory of Agrobiotechnology, College of Biological Sciences, China Agricultural University, Beijing, 100193, China
| | - Haoshu Luo
- State Key Laboratory of Agrobiotechnology, College of Biological Sciences, China Agricultural University, Beijing, 100193, China
| | - Qianghua Quan
- Yunnan Baiyao Group Co., Ltd., Kunming, 650504, China
- East Asia Skin Health Research Center, Beijing, 100037, China
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Jeung D, Lee GE, Chen W, Byun J, Nam SB, Park YM, Lee HS, Kang HC, Lee JY, Kim KD, Hong YS, Lee CJ, Kim DJ, Cho YY. Ribosomal S6 kinase 2-forkhead box protein O4 signaling pathway plays an essential role in melanogenesis. Sci Rep 2024; 14:9440. [PMID: 38658799 PMCID: PMC11043394 DOI: 10.1038/s41598-024-60165-9] [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: 10/14/2023] [Accepted: 04/19/2024] [Indexed: 04/26/2024] Open
Abstract
Although previous studies have examined the signaling pathway involved in melanogenesis through which ultraviolet (UV) or α-melanocyte-stimulating hormones (α-MSH) stimuli act as key inducers to produce melanin at the stratum basal layer of the epidermis, the signaling pathway regulating melanogenesis is still controversial. This study reports that α-MSH, not UVA and UVB, acted as a major stimulus of melanogenesis in B16F10 melanoma cells. Signaling pathway analysis using gene knockdown technology and chemical inhibitors, the mitogen-activated protein kinase kinase (MEK)/extracellular signal-regulated kinase (ERK)/p90 ribosomal S6 kinase 2 (RSK2) played an important role in melanogenesis. Unexpectedly, LY294002, a PI3K inhibitor, increased melanogenesis without UV or α-MSH stimulation, suggesting that the PI3K/AKT signaling pathway may not be a major signaling pathway for melanogenesis. Chemical inhibition of the MEKs/ERKs/RSK2 signaling pathway using U0126 or BI-D1870 suppressed melanogenesis by stimulation of UVA or α-MSH stimulation, or both. In particular, the genetic depletion of RSK2 or constitutive active (CA)-RSK2 overexpression showed that RSK2 plays a key role in melanogenesis. Interestingly, forkhead box protein O4 (FOXO4) was phosphorylated by RSK2, resulting in the increase of FOXO4's transactivation activity. Notably, the FOXO4 mutant harboring serine-to-alanine replacement at the phosphorylation sites totally abrogated the transactivation activity and reduced melanin production, indicating that RSK2-mediated FOXO4 activity plays a key role in melanogenesis. Furthermore, kaempferol, a flavonoid inhibiting the RSK2 activity, suppressed melanogenesis. In addition, FOXO4-wt overexpression showed that FOXO4 enhance melanin synthesis. Overall, the RSK2-FOXO4 signaling pathway plays a key role in modulating melanogenesis.
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Affiliation(s)
- Dohyun Jeung
- BK21-4Th Team, College of Pharmacy, The Catholic University of Korea, 43, Jibong-ro, Wonmi-gu, Bucheon-si, Gyeonggi-do, 14662, South Korea
| | - Ga-Eun Lee
- BK21-4Th Team, College of Pharmacy, The Catholic University of Korea, 43, Jibong-ro, Wonmi-gu, Bucheon-si, Gyeonggi-do, 14662, South Korea
| | - Weidong Chen
- BK21-4Th Team, College of Pharmacy, The Catholic University of Korea, 43, Jibong-ro, Wonmi-gu, Bucheon-si, Gyeonggi-do, 14662, South Korea
| | - Jiin Byun
- BK21-4Th Team, College of Pharmacy, The Catholic University of Korea, 43, Jibong-ro, Wonmi-gu, Bucheon-si, Gyeonggi-do, 14662, South Korea
| | - Soo-Bin Nam
- BK21-4Th Team, College of Pharmacy, The Catholic University of Korea, 43, Jibong-ro, Wonmi-gu, Bucheon-si, Gyeonggi-do, 14662, South Korea
- Biopharmaceutical research center, Ochang Institute of Biological and Environmental Science, Korea Basic Science Institute, 162, Yeongudanji-ro, Ochang-eup, Cheongwon-gu, Cheongju-si, 28119, Republic of Korea
| | - You-Min Park
- BK21-4Th Team, College of Pharmacy, The Catholic University of Korea, 43, Jibong-ro, Wonmi-gu, Bucheon-si, Gyeonggi-do, 14662, South Korea
| | - Hye Suk Lee
- BK21-4Th Team, College of Pharmacy, The Catholic University of Korea, 43, Jibong-ro, Wonmi-gu, Bucheon-si, Gyeonggi-do, 14662, South Korea
| | - Han Chang Kang
- College of Pharmacy, The Catholic University of Korea, 43, Jibong-ro, Wonmi-gu, Bucheon-si, Gyeonggi-do, 14662, South Korea
| | - Joo Young Lee
- BK21-4Th Team, College of Pharmacy, The Catholic University of Korea, 43, Jibong-ro, Wonmi-gu, Bucheon-si, Gyeonggi-do, 14662, South Korea
| | - Kwang Dong Kim
- Division of Life Sciences, Gyeongsang National University, 501, Jinju-daero, Jinju-si, Gyeongsangnam-do, 52828, South Korea
| | - Young-Soo Hong
- Anticancer Agent Research Center, Korea Research Institute of Bioscience and Biotechnology, 30, Yeongudanji-ro, Ochang-eup, Cheongju-si, Chongbuk, 28116, South Korea
| | - Cheol-Jung Lee
- Biopharmaceutical research center, Ochang Institute of Biological and Environmental Science, Korea Basic Science Institute, 162, Yeongudanji-ro, Ochang-eup, Cheongwon-gu, Cheongju-si, 28119, Republic of Korea
| | - Dae Joon Kim
- Department of Immunology and Microbiology, School of Medicine, University of Texas Rio Grande Valley, MBMRF, 1.410, 5300, North L St., McAllen, TX, 78504, USA
| | - Yong-Yeon Cho
- BK21-4Th Team, College of Pharmacy, The Catholic University of Korea, 43, Jibong-ro, Wonmi-gu, Bucheon-si, Gyeonggi-do, 14662, South Korea.
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Ahmad I, Parveen W, Noor S, Udin Z, Ali A, Ali I, Ullah R, Ali H. Design and synthesis of novel dihydropyridine- and benzylideneimine-based tyrosinase inhibitors. Front Pharmacol 2024; 15:1332184. [PMID: 38595924 PMCID: PMC11002185 DOI: 10.3389/fphar.2024.1332184] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2023] [Accepted: 01/04/2024] [Indexed: 04/11/2024] Open
Abstract
Tyrosinase (TYR) inhibitors are very significant as they inhibit enzyme tyrosinase activity, and its inhibition is vital for skin care, anticancer medication, and antibrowning of fruits and vegetables. This work presents a novel and economical route for the preparation of new synthetic tyrosinase inhibitors using amlodipine (4). The novel conjugates 6 (a-o) were designed, synthesized, and characterized by spectroscopic analyses, including Fourier transform infrared and low- and high-resolution mass spectroscopy. The purified compound 4 was refluxed with various aldehydes and ketones 5 (a-o) for 5-8 h in methanol at 60°C-90°C. This research modified the drug in a step-by-step manner to develop therapeutic properties as a tyrosinase inhibitor. The structures of synthesized ligands 6 (a-o) were established based on spectral and analytical data. The synthesized compounds 6 (a-o) were screened against tyrosinase enzyme. Kojic acid was taken as standard. All the prepared compounds 6 (a-o) have good inhibition potential against the enzyme tyrosinase. Compounds 6o, 6b, 6f, and 6k depicted excellent antityrosinase activity. Compound 6k, with an IC50 value of 5.34 ± 0.58 µM, is as potent as the standard kojic acid (IC50 6.04 ± 0.11 µM), standing out among all synthesized compounds 6 (a-o). The in silico studies of the conjugates 6 (a-o) were evaluated via PatchDock. Compound 6k showed a binding affinity score of 8,999 and an atomic contact energy (ACE) value of -219.66 kcal/mol. The structure-activity relationship illustrated that the presence of dihydropyridine nuclei and some activating groups at the ortho and para positions of the benzylideneimine moiety is the main factor for good tyrosinase activity. The compound 6k could be used as a lead compound for drug modification as a tyrosinase inhibitor for skin care, anticancer medication, and antibrowning for fruits and vegetables.
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Affiliation(s)
- Ifraz Ahmad
- Key Laboratory of Automobile Materials, Department of Material Sciences and Engineering, Jilin University, Changchun, China
| | - Warda Parveen
- Key Laboratory of Automobile Materials, Department of Material Sciences and Engineering, Jilin University, Changchun, China
| | - Shah Noor
- Key Laboratory of Automobile Materials, Department of Material Sciences and Engineering, Jilin University, Changchun, China
| | - Zahoor Udin
- Chemistry Department, Gomal University, Dera Ismail Khan, Pakistan
| | - Amjad Ali
- Faculty of Biological Sciences, Department of Biochemistry, Quaid-i-Azam University, Islamabad, Pakistan
| | - Ijaz Ali
- Centre for Applied Mathematics and Bioinformatics (CAMB), Gulf University for Science and Technology, Hawally, Kuwait
| | - Riaz Ullah
- Department of Pharmacognosy, College of Pharmacy King Saud University, Riyadh, Saudi Arabia
| | - Hamid Ali
- Department of Biosciences, COMSATS University Islamabad, Islamabad, Pakistan
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9
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Chen H, Wu Y, Wang B, Kui M, Xu J, Ma H, Li J, Zeng J, Gao W, Chen K. Skin healthcare protection with antioxidant and anti-melanogenesis activity of polysaccharide purification from Bletilla striata. Int J Biol Macromol 2024; 262:130016. [PMID: 38365139 DOI: 10.1016/j.ijbiomac.2024.130016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2024] [Revised: 01/28/2024] [Accepted: 02/05/2024] [Indexed: 02/18/2024]
Abstract
In this study, we investigated the structural characterization and biological activities of Bletilla striata polysaccharides (BSPs) for their role as antioxidants and anti-melanogenesis agents in skin healthcare protection. Three neutral polysaccharides (BSP-1, BSP-2, and BSP-3) with molecular weights of 269.121 kDa, 57.389 kDa, and 28.153 kDa were extracted and purified. Their structural characteristics were analyzed by ion chromatography, GC-MS, and 1D/2D NMR. The results showed that BSP-1, which constitutes the major part of BSPs, was composed of α-D-Glcp, β-D-Glcp, β-D-Manp, and 2-O-acetyl-β-D-Manp, with the branched-chain accompanied by β-D-Galp and α-D-Glcp. BSP-1, BSP-2, and BSP-3 can enhance the total antioxidant capacity of skin fibroblasts with non-toxicity. Meanwhile, BSP-1, BSP-2, and BSP-3 could significantly inhibit the proliferative activity of melanoma cells. Among them, BSP-1 and BSP-2 showed more significance in anti-melanogenesis, tyrosinase inhibition activity, and cell migration inhibition. BSPs have effective antioxidant capacity and anti-melanogenesis effects, which should be further emphasized and developed as skin protection components.
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Affiliation(s)
- Haoying Chen
- Plant Fiber Material Science Research Center, State Key Laboratory of Pulp and Paper Engineering, School of Light Industry and Engineering, South China University of Technology, Guangzhou 510640, PR China
| | - Yan Wu
- Plant Fiber Material Science Research Center, State Key Laboratory of Pulp and Paper Engineering, School of Light Industry and Engineering, South China University of Technology, Guangzhou 510640, PR China
| | - Bin Wang
- Plant Fiber Material Science Research Center, State Key Laboratory of Pulp and Paper Engineering, School of Light Industry and Engineering, South China University of Technology, Guangzhou 510640, PR China; Guangdong Provincial Key Laboratory of Plant Resources Biorefinery, No. 100, West Outer Ring Road, Guangzhou University Town, Panyu District, Guangzhou 510006, PR China.
| | - Minghong Kui
- Guangdong Guanhao High-Tech Co., Ltd., No. 313 Donghai Avenue, Donghai Island, Zhanjiang 524072, PR China
| | - Jun Xu
- Plant Fiber Material Science Research Center, State Key Laboratory of Pulp and Paper Engineering, School of Light Industry and Engineering, South China University of Technology, Guangzhou 510640, PR China; Guangdong Provincial Key Laboratory of Plant Resources Biorefinery, No. 100, West Outer Ring Road, Guangzhou University Town, Panyu District, Guangzhou 510006, PR China
| | - Hongsheng Ma
- Guangdong Guanhao New Material R & D Co., Ltd., Xiangjiang Financial Business Center, Nansha District, Guangzhou 511457, PR China
| | - Jinpeng Li
- Plant Fiber Material Science Research Center, State Key Laboratory of Pulp and Paper Engineering, School of Light Industry and Engineering, South China University of Technology, Guangzhou 510640, PR China; Guangdong Provincial Key Laboratory of Plant Resources Biorefinery, No. 100, West Outer Ring Road, Guangzhou University Town, Panyu District, Guangzhou 510006, PR China
| | - Jinsong Zeng
- Plant Fiber Material Science Research Center, State Key Laboratory of Pulp and Paper Engineering, School of Light Industry and Engineering, South China University of Technology, Guangzhou 510640, PR China; Guangdong Provincial Key Laboratory of Plant Resources Biorefinery, No. 100, West Outer Ring Road, Guangzhou University Town, Panyu District, Guangzhou 510006, PR China
| | - Wenhua Gao
- Plant Fiber Material Science Research Center, State Key Laboratory of Pulp and Paper Engineering, School of Light Industry and Engineering, South China University of Technology, Guangzhou 510640, PR China; Guangdong Provincial Key Laboratory of Plant Resources Biorefinery, No. 100, West Outer Ring Road, Guangzhou University Town, Panyu District, Guangzhou 510006, PR China
| | - Kefu Chen
- Plant Fiber Material Science Research Center, State Key Laboratory of Pulp and Paper Engineering, School of Light Industry and Engineering, South China University of Technology, Guangzhou 510640, PR China; Guangdong Provincial Key Laboratory of Plant Resources Biorefinery, No. 100, West Outer Ring Road, Guangzhou University Town, Panyu District, Guangzhou 510006, PR China
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10
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Hseu YC, Yeh JT, Vadivalagan C, Chen SJ, Gowrisankar YV, Pandey S, Hsu YT, Yen HR, Huang HC, Hseu JH, Yang HL. The in vitro and in vivo depigmentation activity of coenzyme Q 0, a major quinone derivative from Antrodia camphorata, through autophagy induction in human melanocytes and keratinocytes. Cell Commun Signal 2024; 22:151. [PMID: 38408981 PMCID: PMC10895752 DOI: 10.1186/s12964-024-01537-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2023] [Accepted: 02/18/2024] [Indexed: 02/28/2024] Open
Abstract
BACKGROUND Coenzyme Q0 (CoQ0), a novel quinone derivative of Antrodia camphorata, has been utilized as a therapeutic agent (including antioxidant, anti-inflammatory, antiangiogenic, antiatherosclerotic, and anticancer agents); however, its depigmenting efficiency has yet to be studied. METHODS We resolved the depigmenting efficiency of CoQ0 through autophagy induction in melanoma (B16F10) and melanin-feeding keratinocyte (HaCaT) cells and in vivo Zebrafish model. Then, MPLC/HPLC analysis, MTT assay, Western blotting, immunofluorescence staining, LC3 transfection, melanin formation, GFP-LC3 puncta, AVO formation, tyrosinase activity, and TEM were used. RESULTS CoQ0-induced autophagy in B16F10 cells was shown by enhanced LC3-II accumulation, ATG7 expression, autophagosome GFP-LC3 puncta, and AVOs formation, and ATG4B downregulation, and Beclin-1/Bcl-2 dysregulation. In α-MSH-stimulated B16F10 cells, CoQ0 induced antimelanogenesis by suppressing CREB-MITF pathway, tyrosinase expression/activity, and melanin formation via autophagy. TEM data disclosed that CoQ0 increased melanosome-engulfing autophagosomes and autolysosomes in α-MSH-stimulated B16F10 cells. CoQ0-inhibited melanogenesis in α-MSH-stimulated B16F10 cells was reversed by pretreatment with the autophagy inhibitor 3-MA or silencing of LC3. Additionally, CoQ0-induced autophagy in HaCaT cells was revealed by enhanced LC3-II accumulation, autophagosome GFP-LC3 puncta and AVO formation, ATG4B downregulation, ATG5/ATG7 expression, and Beclin-1/Bcl-2 dysregulation. In melanin-feeding HaCaT cells, CoQ0 induced melanin degradation by suppressing melanosome gp100 and melanin formation via autophagy. TEM confirmed that CoQ0 increased melanosome-engulfing autophagosomes and autolysosomes in melanin-feeding HaCaT cells. Treatment with 3-MA reversed CoQ0-mediated melanin degradation in melanin-feeding HaCaT cells. In vivo study showed that CoQ0 suppressed endogenous body pigmentation by antimelanogenesis and melanin degradation through autophagy induction in a zebrafish model. CONCLUSIONS Our results showed that CoQ0 exerted antimelanogenesis and melanin degradation by inducing autophagy. CoQ0 could be used in skin-whitening formulations as a topical cosmetic application.
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Affiliation(s)
- You-Cheng Hseu
- Department of Cosmeceutics, College of Pharmacy, China Medical University, Taichung, 406040, Taiwan
- Chinese Medicine Research Center, China Medical University, Taichung, 406040, Taiwan
- Research Center of Chinese Herbal Medicine, China Medical University, Taichung, 406040, Taiwan
- Department of Health and Nutrition Biotechnology, Asia University, Taichung, 413305, Taiwan
| | - Jou-Tsen Yeh
- Institute of Nutrition, College of Health Care, China Medical University, Taichung, 406040, Taiwan
| | - Chithravel Vadivalagan
- Department of Surgery, University of Michigan Medical Center, Ann Arbor, Michigan, 48109, United States
| | - Siang-Jyun Chen
- Institute of Nutrition, College of Health Care, China Medical University, Taichung, 406040, Taiwan
| | | | - Sudhir Pandey
- Department of Cosmeceutics, College of Pharmacy, China Medical University, Taichung, 406040, Taiwan
| | - Yuan-Tai Hsu
- Institute of Nutrition, College of Health Care, China Medical University, Taichung, 406040, Taiwan
| | - Hung-Rong Yen
- Chinese Medicine Research Center, China Medical University, Taichung, 406040, Taiwan
- Research Center of Chinese Herbal Medicine, China Medical University, Taichung, 406040, Taiwan
- Department of Medical Research, China Medical University Hospital, Taichung, 404333, Taiwan
- School of Chinese Medicine, China Medical University, Taichung, 404333, Taiwan
| | - Hui-Chi Huang
- Department of Chinese Pharmaceutical Sciences and Chinese Medicine Resources, College of Chinese Medicine, China Medical University, Taichung, 406040, Taiwan
| | - Jhih-Hsuan Hseu
- Department of Dermatology, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung, 83301, Taiwan.
| | - Hsin-Ling Yang
- Institute of Nutrition, College of Health Care, China Medical University, Taichung, 406040, Taiwan.
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11
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Du R, Ye L, Chen X, Meng Y, Zhou L, Chen Q, Zheng G, Hu J, Shi Z. Screening of Key Components for Melanogenesis Inhibition of Polygonum cuspidatum Extract Based on the Spectrum-Effect Relationship and Molecular Docking. Molecules 2024; 29:857. [PMID: 38398609 PMCID: PMC10891599 DOI: 10.3390/molecules29040857] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2023] [Revised: 01/04/2024] [Accepted: 01/15/2024] [Indexed: 02/25/2024] Open
Abstract
Polygonum cuspidatum (PC) extract has been listed in the "Catalog of Used Cosmetic Ingredients (2021 Edition)", which can inhibit melanogenesis, thus exerting a whitening effect, and has been widely used in cosmetics. However, there are currently no quality standards for PC extract used in cosmetics, and the bioactive components associated with anti-melanogenesis remain unclear. In view of this, the present study was the first to investigate the spectrum-effect relationship between fingerprints of PC extract and melanogenesis inhibition. Ten batches of PC extract fingerprints were established by HPLC. Pearson's correlation analysis, gray correlation analysis (GRA) and orthogonal partial least squares regression analysis (OPLSR) were used to screen out resveratrol, emodin and physcion as the main whitening active ingredients using the inhibition of tyrosinase in B16F10 cells as the pharmacological index. Then, the melanogenesis inhibitory effects of the above three components were verified by tyrosinase inhibition and a melanin content assay in B16F10 cells. The interaction between small molecules and proteins was investigated by the molecular docking method, and it was confirmed by quantitative real-time PCR (qRT-PCR) that resveratrol, emodin and physcion significantly down-regulated the transcript levels of melanogenesis-related factors. In conclusion, this study established a general model combining HPLC fingerprinting and melanogenesis inhibition and also analyzed the spectrum-effect relationship of PC extract, which provided theoretical support for the quality control of PC extract in whitening cosmetics.
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Affiliation(s)
- Ruojun Du
- College of Pharmacy, Hubei University of Chinese Medicine, Wuhan 430065, China; (R.D.); (X.C.); (Y.M.); (L.Z.); (Q.C.)
| | - Lichun Ye
- Clinical College of Chinese Medicine, Hubei University of Traditional Chinese Medicine, Wuhan 430065, China;
| | - Xinyan Chen
- College of Pharmacy, Hubei University of Chinese Medicine, Wuhan 430065, China; (R.D.); (X.C.); (Y.M.); (L.Z.); (Q.C.)
| | - Yan Meng
- College of Pharmacy, Hubei University of Chinese Medicine, Wuhan 430065, China; (R.D.); (X.C.); (Y.M.); (L.Z.); (Q.C.)
| | - Lei Zhou
- College of Pharmacy, Hubei University of Chinese Medicine, Wuhan 430065, China; (R.D.); (X.C.); (Y.M.); (L.Z.); (Q.C.)
| | - Qiao Chen
- College of Pharmacy, Hubei University of Chinese Medicine, Wuhan 430065, China; (R.D.); (X.C.); (Y.M.); (L.Z.); (Q.C.)
| | - Guohua Zheng
- College of Pharmacy, Hubei University of Chinese Medicine, Wuhan 430065, China; (R.D.); (X.C.); (Y.M.); (L.Z.); (Q.C.)
| | - Junjie Hu
- College of Pharmacy, Hubei University of Chinese Medicine, Wuhan 430065, China; (R.D.); (X.C.); (Y.M.); (L.Z.); (Q.C.)
| | - Zhaohua Shi
- Key Laboratory of Resources and Compound of Traditional Chinese Medicine, Ministry of Education, Hubei University of Traditional Chinese Medicine, Wuhan 430065, China
- Hubei Shizhen Laboratory, Wuhan 430065, China
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12
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Li ZY, Chang SH, Liu KT, Wu AE, Hsu CS, Huang SW, Chung MC, Wang SC, Kao JK, Chen YJ, Shieh JJ. Low-dose imiquimod induces melanogenesis in melanoma cells through an ROS-mediated pathway. J Dermatol Sci 2024; 113:18-25. [PMID: 38185543 DOI: 10.1016/j.jdermsci.2023.12.005] [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: 10/06/2022] [Revised: 12/09/2023] [Accepted: 12/20/2023] [Indexed: 01/09/2024]
Abstract
BACKGROUND Melanogenesis is the process of melanin maturation which not only protects skin from UV radiation but also plays an important role in antigenicity of melanomas. Imiquimod (IMQ) is a toll-like receptor 7 (TLR7) agonist that exhibits antiviral and anticancer activity. OBJECTIVE To explore whether IMQ could induce melanogenesis in melanoma cells. METHODS The mouse melanoma cell line B16F10, the mouse immortalized melanocyte Melan-A, and human melanoma cell lines MNT-1, C32 and A375 were utilized in this study. The pigmented level was observed by the centrifuged cell pellet. The intracellular and extracellular melanin levels were examined in the absorbance in NaOH-extracted cell lysate and cell-cultured medium, respectively. The expression of melanogenesis related proteins was examined by immunoblotting. The intracellular cyclic AMP amount was evaluated by the cAMP Glo assay kit. The activity of phosphodiesterase 4B (PDE4B) was investigated by CREB reporter assay with overexpressed PDE4B or not. RESULTS We demonstrated that a low dose of IMQ could trigger melanogenesis in B16F10 cells. IMQ induced microphthalmia-associated transcription factor (MITF) nuclear translocation, upregulated the expression of melanogenesis-related proteins, increased tyrosinase (TYR) activity, and led to pigmentation in B16F10 cells. Next, we found that IMQ-induced melanogenesis was activated by excessive intracellular cAMP accumulation, which was regulated through IMQ-mediated PDE4B inhibition. Finally, IMQ-induced ROS production was found to be involved in melanogenesis by its control of PDE4B activity. CONCLUSIONS Low dose of IMQ could activate melanogenesis through the ROS/PDE4B/PKA pathway in melanoma cells.
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Affiliation(s)
- Zheng-Yi Li
- Institute of Biomedical Sciences, National Chung Hsing University, Taichung, Taiwan
| | - Shu-Hao Chang
- Institute of Biomedical Sciences, National Chung Hsing University, Taichung, Taiwan
| | - Kuang-Ting Liu
- Institute of Biomedical Sciences, National Chung Hsing University, Taichung, Taiwan; Department of Pathology & Laboratory Medicine, Taoyuan Armed Forces General Hospital, Taoyuan, Taiwan
| | - Alaina Edelie Wu
- Institute of Biomedical Sciences, National Chung Hsing University, Taichung, Taiwan
| | - Chien-Sheng Hsu
- Institute of Biomedical Sciences, National Chung Hsing University, Taichung, Taiwan; Frontier Molecular Medical Research Center in Children, Changhua Christian Children Hospital, Changhua County, Taiwan
| | - Shi-Wei Huang
- Center for Cell Therapy and Translation Research, China Medical University Hospital, Taichung, Taiwan
| | - Mu-Chi Chung
- Division of Nephrology, Department of Medicine, Taichung Veterans General Hospital, Taichung, Taiwan; PhD Program in Translational Medicine, National Chung Hsing University, Taichung, Taiwan; Department of Biotechnology, Asia University, Taichung, Taiwan; Rong Hsing Research Center for Translational Medicine, National Chung Hsing University, Taichung, Taiwan
| | - Shih-Chung Wang
- Division of Pediatric Hematology/Oncology, Changhua Christian Children Hospital, Changhua County, Taiwan
| | - Jun-Kai Kao
- Frontier Molecular Medical Research Center in Children, Changhua Christian Children Hospital, Changhua County, Taiwan; Department of Post-Baccalaureate Medicine, College of Medicine, National Chung Hsing University, Taichung, Taiwan
| | - Yi-Ju Chen
- Department of Post-Baccalaureate Medicine, College of Medicine, National Chung Hsing University, Taichung, Taiwan; Department of Dermatology, Taichung Veterans General Hospital, Taichung, Taiwan
| | - Jeng-Jer Shieh
- Institute of Biomedical Sciences, National Chung Hsing University, Taichung, Taiwan; Rong Hsing Research Center for Translational Medicine, National Chung Hsing University, Taichung, Taiwan; Department of Education and Research, Taichung Veterans General Hospital, Taichung, Taiwan.
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13
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Liu HM, Tang W, Wang XY, Jiang JJ, Zhang Y, Liu QL, Wang W. Experimental and theoretical studies on inhibition against tyrosinase activity and melanin biosynthesis by antioxidant ergothioneine. Biochem Biophys Res Commun 2023; 682:163-173. [PMID: 37816300 DOI: 10.1016/j.bbrc.2023.10.007] [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: 07/19/2023] [Revised: 09/22/2023] [Accepted: 10/01/2023] [Indexed: 10/12/2023]
Abstract
Ergothioneine, a natural derivative of histidine with a thiol/thine tautomeric structure, exhibits exceptional antioxidant properties and inhibition activities on tyrosinase. In this study, enzyme kinetics experiments and chromatographic spectral analysis revealed that ergothioneine inhibited tyrosinase in a reversible and non-competitive manner, with an inhibition constant of 0.554 mg/mL (2.41 mM). As the concentration of ergothioneine increased, the extremely flexible loop structure of tyrosinase extended from 40.1 % to 41.0 %, effectively covering the active center or binding site. Theoretical molecular docking simulation results show that ergothioneine forms complexes with tyrosinase through hydrogen bonding and salt bridges in the active center of Cu ions. Additionally, it was observed that ergothioneine's antioxidant had a stronger reducing impact on dopaquinone, an intermediate in melanin production, than the effect of ascorbic acid at an equivalent concentration (0.5 mg/mL). Ergothioneine reduced the intracellular reactive oxygen species to lower levels than the control group without UVA radiation and regulated the proliferation and differentiation in B16-F10 melanocytes. Clinical trials have shown that a 0.1 % concentration of ergothioneine can effectively suppress melanin production in irradiated skin. The significant reduction in melanin index and an increase in the individual type angle (ITA°) degree were measured after 4 weeks. These results collectively suggest that ergothioneine may be a promising inhibitor of natural antioxidant tyrosinase. Furthermore, due to its safety and efficacy, ergothioneine could be considered one of the bioactive substances for further study on diseases related to melanin production and tyrosinase activity which is of great significance for the cosmetics, medicine and food industries.
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Affiliation(s)
- Hui-Min Liu
- School of Perfume & Aroma and Cosmetics, Shanghai Institute of Technology, Shanghai, 201418, China; Engineering Research Center of Perfume & Aroma and Cosmetics, Ministry of Education, Shanghai, 201418, China
| | - Wei Tang
- School of Perfume & Aroma and Cosmetics, Shanghai Institute of Technology, Shanghai, 201418, China
| | - Xiao-Yi Wang
- School of Perfume & Aroma and Cosmetics, Shanghai Institute of Technology, Shanghai, 201418, China
| | - Jing-Jing Jiang
- School of Perfume & Aroma and Cosmetics, Shanghai Institute of Technology, Shanghai, 201418, China
| | - Yun Zhang
- School of Perfume & Aroma and Cosmetics, Shanghai Institute of Technology, Shanghai, 201418, China
| | - Qing-Lei Liu
- School of Perfume & Aroma and Cosmetics, Shanghai Institute of Technology, Shanghai, 201418, China; Engineering Research Center of Perfume & Aroma and Cosmetics, Ministry of Education, Shanghai, 201418, China
| | - Wei Wang
- School of Perfume & Aroma and Cosmetics, Shanghai Institute of Technology, Shanghai, 201418, China; Engineering Research Center of Perfume & Aroma and Cosmetics, Ministry of Education, Shanghai, 201418, China.
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14
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Park S, Han N, Lee J, Lee JN, An S, Bae S. Anti-Melanogenic Effects of Lilium lancifolium Root Extract via Downregulation of PKA/CREB and MAPK/CREB Signaling Pathways in B16F10 Cells. PLANTS (BASEL, SWITZERLAND) 2023; 12:3666. [PMID: 37960022 PMCID: PMC10648933 DOI: 10.3390/plants12213666] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/19/2023] [Revised: 10/18/2023] [Accepted: 10/22/2023] [Indexed: 11/15/2023]
Abstract
Hyperpigmentation disorders causing emotional distress require the topical use of depigmenting agents of natural origin. In this study, the anti-melanogenic effects of the Lilium lancifolium root extract (LRE) were investigated in B16F10 cells. Consequently, a non-cytotoxic concentration of the extract reduced intracellular melanin content and tyrosinase activity in a dose-dependent manner, correlating with the diminished expression of core melanogenic enzymes within cells. LRE treatment also inhibited cyclic adenosine monophosphate (cAMP) response element-binding protein (CREB)/microphthalmia-associated transcription factor signaling, which regulates the expression of tyrosinase-related genes. Upon examining these findings from a molecular mechanism perspective, LRE treatment suppressed the phosphorylation of protein kinase A (PKA), p38, and extracellular signal-related kinase (ERK), which are upstream regulators of CREB. In addition, L-phenylalanine and regaloside A, specifically identified within the LRE using liquid chromatography-mass spectrometry, exhibited inhibitory effects on melanin production. Collectively, these results imply that LRE potentially suppresses cAMP-mediated melanogenesis by downregulating PKA/CREB and mitogen-activated protein kinase (MAPK)/CREB signaling pathways. Therefore, it can be employed as a novel therapeutic ingredient of natural origin to ameliorate hyperpigmentation disorders.
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Affiliation(s)
- Seokmuk Park
- Department of Cosmetics Engineering, Konkuk University, 120 Neungdong-ro, Gwangjin-gu, Seoul 05029, Republic of Korea; (S.P.); (N.H.)
| | - Nayeon Han
- Department of Cosmetics Engineering, Konkuk University, 120 Neungdong-ro, Gwangjin-gu, Seoul 05029, Republic of Korea; (S.P.); (N.H.)
- Dermato Bio, Inc., #505, Techno Cube, 13-18 Songdogwahak-ro 16beon-gil, Yeongsu-gu, Incheon 21984, Republic of Korea;
| | - Jungmin Lee
- Dermato Bio, Inc., #505, Techno Cube, 13-18 Songdogwahak-ro 16beon-gil, Yeongsu-gu, Incheon 21984, Republic of Korea;
| | - Jae-Nam Lee
- Department of Cosmetology, Graduate School of Engineering, Konkuk University, 120 Neungdong-ro, Gwangjin-gu, Seoul 05029, Republic of Korea;
| | - Sungkwan An
- Eco Up Bio, Inc., 373 Chang-ui-ri, Seorak-myeon, Gapyeong-gun 477852, Republic of Korea;
| | - Seunghee Bae
- Department of Cosmetics Engineering, Konkuk University, 120 Neungdong-ro, Gwangjin-gu, Seoul 05029, Republic of Korea; (S.P.); (N.H.)
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15
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Gao L, Zhang HL, Tan XY, Wang YG, Song H, Yuan VL, Liao XH. Sensitive Quantitative In Vivo Assay for Evaluating the Effects of Biomolecules on Hair Growth and Coloring Using Direct Microinjections into Mouse Whisker Follicles. Biomolecules 2023; 13:1076. [PMID: 37509112 PMCID: PMC10377598 DOI: 10.3390/biom13071076] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2023] [Revised: 06/13/2023] [Accepted: 06/30/2023] [Indexed: 07/30/2023] Open
Abstract
Many people suffer from hair loss and abnormal skin pigmentation, highlighting the need for simple assays to support drug discovery research. Current assays have various limitations, such as being in vitro only, not sensitive enough, or unquantifiable. We took advantage of the bilateral symmetry and large size of mouse whisker follicles to develop a novel in vivo assay called "whisker follicle microinjection assay". In this assay, we plucked mouse whiskers and then injected molecules directly into one side of the whisker follicles using microneedles that were a similar size to the whiskers, and we injected solvent on the other side as a control. Once the whiskers grew out again, we quantitatively measured their length and color intensity to evaluate the effects of the molecules on hair growth and coloring. Several chemicals and proteins were used to test this assay. The chemicals minoxidil and ruxolitinib, as well as the protein RSPO1, promoted hair growth. The effect of the clinical drug minoxidil could be detected at a concentration as low as 0.001%. The chemical deoxyarbutin inhibited melanin production. The protein Nbl1 was identified as a novel hair-growth inhibitor. In conclusion, we successfully established a sensitive and quantitative in vivo assay to evaluate the effects of chemicals and proteins on hair growth and coloring and identified a novel regulator by using this assay. This whisker follicle microinjection assay will be useful when investigating protein functions and when developing drugs to treat hair loss and abnormal skin pigmentation.
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Affiliation(s)
- Lipeng Gao
- School of Life Sciences, Shanghai University, Shanghai 200444, China
| | - He-Li Zhang
- School of Life Sciences, Shanghai University, Shanghai 200444, China
| | - Xiao-Yang Tan
- School of Life Sciences, Shanghai University, Shanghai 200444, China
| | - Yan-Ge Wang
- School of Medicine, Shanghai University, Shanghai 200444, China
| | - Hongzhi Song
- School of Life Sciences, Shanghai University, Shanghai 200444, China
- School of Medicine, Shanghai University, Shanghai 200444, China
- School of Environmental and Chemical Engineering, Shanghai University, Shanghai 200444, China
| | - Vicky Lan Yuan
- School of Life Sciences, Shanghai University, Shanghai 200444, China
| | - Xin-Hua Liao
- School of Life Sciences, Shanghai University, Shanghai 200444, China
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16
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Nam SH, Choi JH, Kim GC. Topical Application of No-Ozone Cold Plasma in Combination with Vitamin C Reduced Skin Redness and Pigmentation of UV-Irradiated Mice. Biomedicines 2023; 11:1563. [PMID: 37371658 DOI: 10.3390/biomedicines11061563] [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: 04/28/2023] [Revised: 05/24/2023] [Accepted: 05/25/2023] [Indexed: 06/29/2023] Open
Abstract
Ultraviolet (UV) is the main cause of sunburn on the skin as it induces erythema and accelerates pigmentation. Vitamin C is one of the most frequently used compounds to reduce UV-induced skin pigmentation, but it has limitations in absorption through the skin. In this study, we tested whether a no-ozone cold plasma (NCP) treatment can improve UV-irradiated skin by helping the action of Vitamin C. For this, among five groups of HRM-2 hairless mice, four groups of mice were subjected to UVB irradiation, and three groups of UVB-treated mice were treated with NCP, Vitamin C, and NCP + Vitamin C, respectively. For evaluating the effect of each treatment, the melanin and erythema index was measured during animal experiments. Histological changes were monitored by performing H&E and MTS and IHC against tyrosinase and melanin. As a result, the naturally recovered mice showed a 28-point decrease in the melanin index, whereas a decrease of around 88, 74.3, and 106 points was detected in NCP-, Vitamin C-, and NCP + vitamin C-treated mice, respectively. Likewise, only a 39-point reduction in the erythema index was monitored in naturally recovered mice, but the NCP-, vitamin C-, and NCP + vitamin C-treated mice showed a 87.3-, 77-, and 111-point reduction, respectively. Interestingly, the skin tissues of the mice treated with NCP in combination with Vitamin C mostly recovered from UVB-induced damage. Altogether, this study elucidated the beneficial effect of the treatment of NCP in combination with Vitamin C on the UVB-irradiated skin, which might be helpful for treating sunburn on the skin.
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Affiliation(s)
- Seoul-Hee Nam
- Department of Dental Hygiene, Kangwon National University, Samcheok 25913, Republic of Korea
| | - Jeong-Hae Choi
- Research and Development Center, Feagle Co., Ltd., Yangsan 50614, Republic of Korea
| | - Gyoo-Cheon Kim
- Research and Development Center, Feagle Co., Ltd., Yangsan 50614, Republic of Korea
- Department of Oral Anatomy, School of Dentistry, Pusan National University, Yangsan 50612, Republic of Korea
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Yu F, Du Z, Zhong Z, Yu X, Chen J, Lu Y, Lin J. Creb2 involved in innate immunity by activating PpMitf-mediated melanogenesis in Pteria penguin. FISH & SHELLFISH IMMUNOLOGY 2023; 138:108809. [PMID: 37182797 DOI: 10.1016/j.fsi.2023.108809] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/23/2023] [Revised: 05/05/2023] [Accepted: 05/08/2023] [Indexed: 05/16/2023]
Abstract
cAMP response element binding protein 2 (CREB2) acts as an intracellular transcriptional factor and regulates many physiological processes, including melanogenesis and melanocyte differentiation. In our previous research, the Creb2 gene has been characterized from Pteria penguin (P. penguin), but its role and regulatory mechanism in P. penguin are still unclear. In this study, first, the function of PpCreb2 in melanogenesis and innate immunity were identified. PpCreb2 silencing significantly decreased the tyrosinase activity and melanin content, indicating PpCreb2 played an important role in melanogenesis. Meanwhile, PpCreb2 silencing visibly suppressed the antibacterial activity of hemolymph supernatant, indicating that PpCreb2 was involved in innate immunity of P. penguin. Second, the PpCreb2 was confirmed to perform immune function by regulating the melanogenesis. The decreased melanin oxidation product due to PpCreb2 silencing triggered the declining of antibacterial activity of hemolymph supernatant, which then could be rescued by adding exogenous melanin oxidation products. Third, the regulation pathway of PpCreb2 involved in innate immunity was analyzed. The promoter sequence analysis of PpMitf discovered 5 conserved cAMP response element (CRE), which were specifically recognized by basic Leucine zipper domain (bZIP) of upstream activation transcription factor. The luciferase activities analysis showed that PpCreb2 could activate the CRE in PpMitf promoter via highly conserved bZIP domain and regulate the expression of PpMitf, which further regulated the PpTyr expression. Therefore, the results collectively demonstrated that PpCreb2 participated in innate immunity by activating PpMitf-mediated melanogenesis in P. penguin.
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Affiliation(s)
- Feifei Yu
- Fishery College, Guangdong Ocean University, Zhanjiang, Guangdong, 524088, China; Academician Joint Laboratory of Germplasm Resource Exploitation, Utilization and Health Assessment for Aquatic Animal, Guangdong Ocean University, Zhanjiang, Guangdong, 524088, China
| | - Zexin Du
- Fishery College, Guangdong Ocean University, Zhanjiang, Guangdong, 524088, China
| | - Zhiming Zhong
- Fishery College, Guangdong Ocean University, Zhanjiang, Guangdong, 524088, China; Academician Joint Laboratory of Germplasm Resource Exploitation, Utilization and Health Assessment for Aquatic Animal, Guangdong Ocean University, Zhanjiang, Guangdong, 524088, China
| | - Xiangyong Yu
- Ocean College, South China Agriculture University, 483 Wushan Road, Tianhe District, Guangzhou, 510642, China
| | - Jiayu Chen
- Fishery College, Guangdong Ocean University, Zhanjiang, Guangdong, 524088, China; Academician Joint Laboratory of Germplasm Resource Exploitation, Utilization and Health Assessment for Aquatic Animal, Guangdong Ocean University, Zhanjiang, Guangdong, 524088, China
| | - Yishan Lu
- Fishery College, Guangdong Ocean University, Zhanjiang, Guangdong, 524088, China; Academician Joint Laboratory of Germplasm Resource Exploitation, Utilization and Health Assessment for Aquatic Animal, Guangdong Ocean University, Zhanjiang, Guangdong, 524088, China; Shenzhen Institute of Guangdong Ocean University, Shenzhen, 518120, China.
| | - Jinji Lin
- Fishery College, Guangdong Ocean University, Zhanjiang, Guangdong, 524088, China; Academician Joint Laboratory of Germplasm Resource Exploitation, Utilization and Health Assessment for Aquatic Animal, Guangdong Ocean University, Zhanjiang, Guangdong, 524088, China
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18
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Song EC, Park C, Shin Y, Kim WK, Kim SB, Cho S. Neurog1-Derived Peptides RMNE1 and DualPep-Shine Penetrate the Skin and Inhibit Melanin Synthesis by Regulating MITF Transcription. Int J Mol Sci 2023; 24:ijms24076158. [PMID: 37047130 PMCID: PMC10094136 DOI: 10.3390/ijms24076158] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2023] [Revised: 03/22/2023] [Accepted: 03/23/2023] [Indexed: 04/14/2023] Open
Abstract
Anti-pigmentation peptides have been developed as alternative skin-lightening agents to replace conventional chemicals that have adverse effects on the skin. However, the maximum size of these peptides is often limited by their low skin and cell penetration. To address this issue, we used our intra-dermal delivery technology (IDDT) platform to identify peptides with hypo-pigmenting and high cell-penetrating activity. Using our cell-penetrating peptides (CPPs) from the IDDT platform, we identified RMNE1 and its derivative RMNE3, "DualPep-Shine", which showed levels of α-Melanocyte stimulating hormone (α-MSH)-induced melanin inhibition comparable to the conventional tyrosinase inhibitor, Kojic acid. In addition, DualPep-Shine was delivered into the nucleus and regulated the gene expression levels of melanogenic enzymes by inhibiting the promoter activity of microphthalmia-associated transcription factor-M (MITF-M). Using a 3D human skin model, we found that DualPep-Shine penetrated the lower region of the epidermis and reduced the melanin content in a dose-dependent manner. Furthermore, DualPep-Shine showed high safety with little immunogenicity, indicating its potential as a novel cosmeceutical ingredient and anti-pigmentation therapeutic agent.
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Affiliation(s)
- Ee Chan Song
- Remedi Co., Ltd., Research Center, Incheon 21990, Republic of Korea
| | - Chanho Park
- Remedi Co., Ltd., Research Center, Incheon 21990, Republic of Korea
| | - Yungyeong Shin
- Remedi Co., Ltd., Research Center, Incheon 21990, Republic of Korea
| | - Wan Ki Kim
- Remedi Co., Ltd., Research Center, Incheon 21990, Republic of Korea
| | - Sang Bum Kim
- College of Pharmacy, Sahmyook University, Seoul 01795, Republic of Korea
| | - Seongmin Cho
- Remedi Co., Ltd., Research Center, Incheon 21990, Republic of Korea
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19
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Dimethyl Itaconate Inhibits Melanogenesis in B16F10 Cells. Antioxidants (Basel) 2023; 12:antiox12030692. [PMID: 36978940 PMCID: PMC10045371 DOI: 10.3390/antiox12030692] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2023] [Revised: 03/07/2023] [Accepted: 03/08/2023] [Indexed: 03/18/2023] Open
Abstract
Itaconate is a metabolite produced to counteract and resolve pro-inflammatory responses when macrophages are challenged with intracellular or extracellular stimuli. In the present study, we have observed that dimethyl itaconate (DMI) inhibits melanogenesis in B16F10 cells. DMI inhibits microphthalmia-associated transcription factor (MITF) and downregulates the expression of MITF target genes, such as tyrosinase (TYR), tyrosinase-related protein 1 (TRP-1), and tyrosinase-related protein 2 (TRP-2). DMI also decreases the level of melanocortin 1 receptor (MC1R) and the production of α-melanocyte stimulating hormone (α-MSH), resulting in the inhibition of extracellular signal-regulated kinase 1/2 (ERK1/2) and MITF activities. The structure–activity relationship (SAR) study illustrates that the α,β-unsaturated carbonyl moiety in DMI, a moiety required to target KELCH-like ECH-associated protein 1 (KEAP1) to activate NF-E2-related factor 2 (NRF2), is necessary to inhibit melanogenesis and knocking down Nrf2 attenuates the inhibition of melanogenesis by DMI. Together, our study reveals that the MC1R-ERK1/2-MITF axis regulated by the KEAP1-NRF2 pathway is the molecular target responsible for the inhibition of melanogenesis by DMI.
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20
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Cho J, Jung H, Kang DY, Sp N, Shin W, Lee J, Park BG, Kang YA, Jang KJ, Bae SW. The Skin-Whitening and Antioxidant Effects of Protocatechuic Acid (PCA) Derivatives in Melanoma and Fibroblast Cell Lines. Curr Issues Mol Biol 2023; 45:2157-2169. [PMID: 36975508 PMCID: PMC10047566 DOI: 10.3390/cimb45030138] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2023] [Revised: 03/02/2023] [Accepted: 03/03/2023] [Indexed: 03/08/2023] Open
Abstract
The skin is the most voluminous organ of the human body and is exposed to the outer environment. Such exposed skin suffers from the effects of various intrinsic and extrinsic aging factors. Skin aging is characterized by features such as wrinkling, loss of elasticity, and skin pigmentation. Skin pigmentation occurs in skin aging and is caused by hyper-melanogenesis and oxidative stress. Protocatechuic acid (PCA) is a natural secondary metabolite from a plant-based source widely used as a cosmetic ingredient. We chemically designed and synthesized PCA derivatives conjugated with alkyl esters to develop effective chemicals that have skin-whitening and antioxidant effects and enhance the pharmacological activities of PCA. We identified that melanin biosynthesis in B16 melanoma cells treated with alpha-melanocyte-stimulating hormone (α-MSH) is decreased by PCA derivatives. We also found that PCA derivatives effectively have antioxidant effects in HS68 fibroblast cells. In this study, we suggest that our PCA derivatives are potent ingredients for developing cosmetics with skin-whitening and antioxidant effects.
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Affiliation(s)
- Jaehoon Cho
- Green and Sustainable Materials R&D Department, Korea Institute of Industrial Technology (KITECH), Cheonan 31056, Republic of Korea
| | - Hyeonbi Jung
- Department of Chemistry and Cosmetics, Jeju National University, Jeju 63243, Republic of Korea
| | - Dong Young Kang
- Department of Pathology, School of Medicine, Institute of Biomedical Science and Technology, Konkuk University, Chungju 27478, Republic of Korea
| | - Nipin Sp
- Department of Surgery, Division of Surgical Oncology, The Ohio State University Comprehensive Cancer Center, Columbus, OH 43210, USA
| | - Wooshik Shin
- Green and Sustainable Materials R&D Department, Korea Institute of Industrial Technology (KITECH), Cheonan 31056, Republic of Korea
| | - Junhak Lee
- R&D Center, ACTIVON Co., Ltd., Cheongju 28104, Republic of Korea
| | - Byung Gyu Park
- R&D Center, ACTIVON Co., Ltd., Cheongju 28104, Republic of Korea
| | - Yoon A Kang
- Department of Chemistry and Cosmetics, Jeju National University, Jeju 63243, Republic of Korea
| | - Kyoung-Jin Jang
- Department of Pathology, School of Medicine, Institute of Biomedical Science and Technology, Konkuk University, Chungju 27478, Republic of Korea
- Correspondence: (K.-J.J.); (S.W.B.)
| | - Se Won Bae
- Department of Chemistry and Cosmetics, Jeju National University, Jeju 63243, Republic of Korea
- Correspondence: (K.-J.J.); (S.W.B.)
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21
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Yang J, Lee SY, Jang SK, Kim KJ, Park MJ. Inhibition of Melanogenesis by Essential Oils from the Citrus Cultivars Peels. Int J Mol Sci 2023; 24:ijms24044207. [PMID: 36835634 PMCID: PMC9962211 DOI: 10.3390/ijms24044207] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2023] [Revised: 02/10/2023] [Accepted: 02/16/2023] [Indexed: 02/22/2023] Open
Abstract
Citrus is one of the most popular and widely grown fruit crops in the world. However, the bioactivity of only certain species of citrus cultivars is studied. In this study, the effects of essential oils from 21 citrus cultivars on melanogenesis were investigated in an effort to identify active anti-melanogenesis constituents. The essential oils from the peels of 21 citrus cultivars obtained by hydro-distillation were analyzed using gas chromatography-mass spectrometry. Mouse melanoma B16BL6 cells were used in all assays conducted in this study. The tyrosinase activity and melanin content were determined using the lysate of α-Melanocyte-stimulated B16BL6 cells. In addition, the melanogenic gene expression was determined by quantitative reverse transcription-polymerase chain reaction. Overall, the essential oils of (Citrus unshiu X Citrus sinensis) X Citrus reticulata, Citrus reticulata, and ((Citrus unshiu X Citrus sinensis) X Citrus reticulata) X Citrus reticulata provided the best bioactivity and comprised five distinct constituents compared to other essential oils such as limonene, farnesene, β-elemene, terpinen-4-ol, and sabinene. The anti-melanogenesis activities of the five individual compounds were evaluated. Among the five essential oils, β-elemene, farnesene, and limonene showed dominating properties. The experimental results indicated that (Citrus unshiu X Citrus sinensis) X Citrus reticulata, Citrus reticulata, and ((Citrus unshiu X Citrus sinensis) X Citrus reticulata) X Citrus reticulara are potential candidates with anti-melanogenesis activity for use as cosmetics and pharmaceutical agents against skin hyperpigmentation.
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Affiliation(s)
- Jiyoon Yang
- Forest Industrial Materials Division, Forest Products and Industry Department, National Institute of Forest Science, Seoul 02455, Republic of Korea
- Division of Life Sciences, Korea University, Seoul 02841, Republic of Korea
| | - Su-Yeon Lee
- Forest Industrial Materials Division, Forest Products and Industry Department, National Institute of Forest Science, Seoul 02455, Republic of Korea
| | - Soo-Kyeong Jang
- Forest Industrial Materials Division, Forest Products and Industry Department, National Institute of Forest Science, Seoul 02455, Republic of Korea
| | - Ki-Joong Kim
- Division of Life Sciences, Korea University, Seoul 02841, Republic of Korea
| | - Mi-Jin Park
- Forest Industrial Materials Division, Forest Products and Industry Department, National Institute of Forest Science, Seoul 02455, Republic of Korea
- Correspondence: ; Tel.: +82-2-961-2751; Fax: +82-2-961-2769
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22
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Kooltheat N, Tedasen A, Yamasaki K, Chatatikun M. Melanogenesis Inhibitory Activity, Chemical Components and Molecular Docking Studies of Prunus cerasoides Buch.-Ham. D. Don. Flowers. J Evid Based Integr Med 2023; 28:2515690X231152928. [PMID: 36740925 PMCID: PMC9905211 DOI: 10.1177/2515690x231152928] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
Safe depigmenting agents are currently increasing in the cosmetic or pharmaceutical industry because various compounds have been found to have undesirable side effects. Therefore, the present study aimed to investigate the melanogenesis inhibitory effects of Prunus cerasoides Buch. -Ham. D. Don. flower extracts and their molecular mechanism in B16F10 mouse melanoma cells. Moreover, we also examined phenolic and flavonoid contents, antioxidant activity, chemical constituents of potential extracts, and molecular docking. The highest phenolic and flavonoid contents with the greatest scavenging activity were found in the butanol extract of the P. cerasoides flower compared to other extracts. From all extracts, only crude, diethyl ether, and butanol extracts showed an inhibition of mushroom tyrosinase activity, cellular tyrosinase activity, and melanin content as well as the downregulation of the gene expression of the microphthalmia-associated transcription factor (MITF), tyrosinase, tyrosinase-related protein-1 (TRP-1), and tyrosinase-related protein-2 (TRP-2) in α-MSH-stimulated B16F10 cells. Based on the molecular docking study, n-hexadecanoic acid, heptadecanoic acid, octadecanoic acid, 9,12-octadecadienoic acid, 9,12,15-octadecanoic acid, and eicosanoic acid might show an inhibitory effect against tyrosinase and MITF. In conclusion, this finding demonstrates that both the diethyl ether and butanol extracts of the P. cerasoides flower can effectively reduce tyrosinase activity and melanin synthesis through the downregulation of the melanogenic gene expression in B16F10 cells and through the molecular docking study. Taken together, the diethyl ether and butanol extracts of the P. cerasoides flower could be an anti-melanogenic ingredient for hyperpigmentary or melasma treatment.
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Affiliation(s)
- Nateelak Kooltheat
- Department of Medical Technology, School of Allied Health Sciences,
Walailak
University, Nakhon Si Thammarat 80161,
Thailand,Hematology and Transfusion Science Research Center, School of Allied
Health Sciences, Walailak
University, Nakhon Si Thammarat 80161,
Thailand
| | - Aman Tedasen
- Department of Medical Technology, School of Allied Health Sciences,
Walailak
University, Nakhon Si Thammarat 80161,
Thailand,Research Excellence Center for Innovation and Health Products
(RECIHP), Walailak
University, Nakhon Si Thammarat 80161,
Thailand
| | - Kenshi Yamasaki
- Department of Dermatology, Graduate School of Medicine, Tohoku
University, Sendai, Miyagi 980-8575, Japan
| | - Moragot Chatatikun
- Department of Medical Technology, School of Allied Health Sciences,
Walailak
University, Nakhon Si Thammarat 80161,
Thailand,Center of Excellence Research for Melioidosis and Microorganisms
(CERMM), Walailak
University, Nakhon Si Thammarat 80161,
Thailand,Moragot Chatatikun, School of Allied Health
Sciences, Walailak University 222, Nakhon Si Thammarat 80161, Thailand.
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23
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Karadeniz F, Oh JH, Seo Y, Yang J, Lee H, Kong CS. Quercetin 3- O-Galactoside Isolated from Limonium tetragonum Inhibits Melanogenesis by Regulating PKA/MITF Signaling and ERK Activation. Int J Mol Sci 2023; 24:ijms24043064. [PMID: 36834475 PMCID: PMC9962826 DOI: 10.3390/ijms24043064] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2022] [Revised: 02/01/2023] [Accepted: 02/02/2023] [Indexed: 02/08/2023] Open
Abstract
Quercetin 3-O-galactoside (Q3G) is a common dietary flavanol that has been shown to possess several bioactivities, including anti-melanogenesis. However, how Q3G exerts its anti-melanogenic effect has not been studied. The current study, therefore aimed to investigate the anti-melanogenesis potential of Q3G and elucidate the underlying action mechanism in α-melanocyte-stimulating hormone (α-MSH)-induced hyperpigmentation model of B16F10 murine melanoma cells. Results showed that α-MSH stimulation significantly increased tyrosinase (TYR) and melanin production, which were significantly downregulated by Q3G treatment. The treatment with Q3G suppressed the transcriptional and protein expressions of melanogenesis-related enzymes TYR, tyrosinase related protein-1 (TRP-1), and TRP-2, along with the melanogenic transcription factor microphthalmia-associated transcription factor (MITF) in B16F10 cells. It was shown that Q3G downregulated MITF expression and suppressed its transcriptional activity by inhibiting the cAMP-dependent protein kinase A (PKA)-mediated activation of CREB and GSK3β. In addition, MAPK-regulated MITF activation signaling was also involved in the inhibition of melanin production by Q3G. The results suggest that the anti-melanogenic properties of Q3G rationalize further studies in vivo to confirm its action mechanism and consequent utilization as a cosmetic ingredient against hyperpigmentation.
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Affiliation(s)
- Fatih Karadeniz
- Marine Biotechnology Center for Pharmaceuticals and Foods, College of Medical and Life Sciences, Silla University, Busan 46958, Republic of Korea
| | - Jung Hwan Oh
- Marine Biotechnology Center for Pharmaceuticals and Foods, College of Medical and Life Sciences, Silla University, Busan 46958, Republic of Korea
- Nutritional Education, Graduate School of Education, Silla University, Busan 46958, Republic of Korea
| | - Youngwan Seo
- Division of Convergence on Marine Science, College of Ocean Science and Technology, Korea Maritime and Ocean University, Busan 49112, Republic of Korea
| | - Jiho Yang
- Department of Food and Nutrition, College of Medical and Life Sciences, Silla University, Busan 46958, Republic of Korea
| | - Hyunjung Lee
- Department of Food and Nutrition, College of Medical and Life Sciences, Silla University, Busan 46958, Republic of Korea
| | - Chang-Suk Kong
- Marine Biotechnology Center for Pharmaceuticals and Foods, College of Medical and Life Sciences, Silla University, Busan 46958, Republic of Korea
- Department of Food and Nutrition, College of Medical and Life Sciences, Silla University, Busan 46958, Republic of Korea
- Correspondence: ; Tel.: +82-51-999-5429
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24
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Joo IH, Choi JH, Kim DH, Chung MJ, Lim MH. Ligularia fischeri ethanol extract: An inhibitor of alpha-melanocyte-stimulating hormone-stimulated melanogenesis in B16F10 melanoma cells. J Cosmet Dermatol 2023; 22:637-644. [PMID: 36030197 PMCID: PMC10087159 DOI: 10.1111/jocd.15335] [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: 05/05/2022] [Revised: 07/04/2022] [Accepted: 07/21/2022] [Indexed: 11/26/2022]
Abstract
BACKGROUND Ligularia fischeri is a perennial herb isolated from plants of the Asteraceae family. Ligularia fischeri is distributed throughout Korea, Japan, eastern Siberia, and China. AIMS The aim of this study is to examine the intracellular inhibitory effect of Ligularia fischeri ethanol extract on melanin synthesis and expression of tyrosinase and tyrosinase-related protein 1 and 2. In addition, we analyzed the mitogen-activated protein kinase signaling pathway and microphthalmia-associated transcription factor in alpha-melanocyte-stimulating hormone-stimulated B16F10 melanoma cells. METHODS To assess the inhibition of melanogenesis in alpha-melanocyte-stimulating hormone-stimulated B16F10 melanoma cells, the expression of melanogenesis-related genes was investigated by quantitative real-time polymerase chain reaction, while western blotting was performed to determine protein expression levels. RESULTS We confirmed that the ethanol extract of Ligularia fischeri inhibited melanin synthesis in vitro by decreasing tyrosinase and tyrosinase-related protein 1 and 2 expression. Furthermore, we revealed that tyrosinase expression was regulated by the suppression of microphthalmia-associated transcription factor expression and activation of extracellular signal-regulated kinase phosphorylation. The ethanol extract of Ligularia fischeri inhibited melanogenesis by activating extracellular signal-regulated kinase phosphorylation and suppressing microphthalmia-associated transcription factor and tyrosinase expression. CONCLUSIONS Ligularia fischeri ethanol extract may be used as an effective skin whitening agent in functional cosmetics.
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Affiliation(s)
- In-Hwan Joo
- Department of Oriental Medicine, Daejeon University, Daejeon, South Korea
| | - Ji-Hee Choi
- Department of Oriental Medicine, Daejeon University, Daejeon, South Korea
| | - Dong-Hee Kim
- Department of Oriental Medicine, Daejeon University, Daejeon, South Korea
| | | | - Mi-Hye Lim
- Department of Beauty Healthcare, Daejeon University, Daejeon, South Korea
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25
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A Network of MicroRNAs and mRNAs Involved in Melanosome Maturation and Trafficking Defines the Lower Response of Pigmentable Melanoma Cells to Targeted Therapy. Cancers (Basel) 2023; 15:cancers15030894. [PMID: 36765859 PMCID: PMC9913661 DOI: 10.3390/cancers15030894] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2022] [Revised: 01/16/2023] [Accepted: 01/23/2023] [Indexed: 02/04/2023] Open
Abstract
BACKGROUND The ability to increase their degree of pigmentation is an adaptive response that confers pigmentable melanoma cells higher resistance to BRAF inhibitors (BRAFi) compared to non-pigmentable melanoma cells. METHODS Here, we compared the miRNome and the transcriptome profile of pigmentable 501Mel and SK-Mel-5 melanoma cells vs. non-pigmentable A375 melanoma cells, following treatment with the BRAFi vemurafenib (vem). In depth bioinformatic analyses (clusterProfiler, WGCNA and SWIMmeR) allowed us to identify the miRNAs, mRNAs and biological processes (BPs) that specifically characterize the response of pigmentable melanoma cells to the drug. Such BPs were studied using appropriate assays in vitro and in vivo (xenograft in zebrafish embryos). RESULTS Upon vem treatment, miR-192-5p, miR-211-5p, miR-374a-5p, miR-486-5p, miR-582-5p, miR-1260a and miR-7977, as well as GPR143, OCA2, RAB27A, RAB32 and TYRP1 mRNAs, are differentially expressed only in pigmentable cells. These miRNAs and mRNAs belong to BPs related to pigmentation, specifically melanosome maturation and trafficking. In fact, an increase in the number of intracellular melanosomes-due to increased maturation and/or trafficking-confers resistance to vem. CONCLUSION We demonstrated that the ability of pigmentable cells to increase the number of intracellular melanosomes fully accounts for their higher resistance to vem compared to non-pigmentable cells. In addition, we identified a network of miRNAs and mRNAs that are involved in melanosome maturation and/or trafficking. Finally, we provide the rationale for testing BRAFi in combination with inhibitors of these biological processes, so that pigmentable melanoma cells can be turned into more sensitive non-pigmentable cells.
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26
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Zheng Y, Lee EH, Lee SY, Lee Y, Shin KO, Park K, Kang IJ. Morus alba L. root decreases melanin synthesis via sphingosine-1-phosphate signaling in B16F10 cells. JOURNAL OF ETHNOPHARMACOLOGY 2023; 301:115848. [PMID: 36272492 DOI: 10.1016/j.jep.2022.115848] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/22/2022] [Revised: 10/13/2022] [Accepted: 10/15/2022] [Indexed: 06/16/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Morus alba L. has long been used for beauty in many Asian countries and regions, including anti-aging and hyperpigmentation. AIM OF THE STUDY This study aimed at the inhibitory effect of Morus alba L. root on melanogenesis in B16F10 melanoma cells and the mechanism involved. MATERIALS AND METHODS This study evaluated the anti-melanogenic effect of Morus alba L. root extract (MAR) on B16F10 melanoma cells by assessing cell viability, melanin accumulation, cellular tyrosinase activity, intra/inter-cellular S1P levels, cellular S1P-related metabolic enzyme activity, and western blot analysis. In addition, the potential S1P lyase (S1PL) inhibitory constituents in MAR were identified by LC-MS/MS. RESULTS Without affecting the viability of B16F10 melanoma cells, MAR inhibited intracellular tyrosinase activity in a dose-dependent manner, thereby reducing the accumulation of melanin. MAR also downregulated the expression level of MITF via activating the ERK signaling pathway. Furthermore, MAR increased the intra/inter-cellular S1P by inhibiting S1PL. Several compounds with inhibitory S1PL activity have been identified in MAR, such as mulberroside A and oxyresveratrol. CONCLUSIONS The anti-melanogenic effects of MAR mainly involve promoting MITF degradation mediated via S1P-S1PR3-ERK signaling through increasing cellular S1P levels by inhibiting S1PL activity.
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Affiliation(s)
- Yulong Zheng
- Department of Food Science and Nutrition & the Korean Institute of Nutrition, Hallym University, Chuncheon, 24252, Republic of Korea
| | - Eun-Hye Lee
- Department of Food Science and Nutrition & the Korean Institute of Nutrition, Hallym University, Chuncheon, 24252, Republic of Korea
| | - So-Yeon Lee
- Department of Food Science and Nutrition & the Korean Institute of Nutrition, Hallym University, Chuncheon, 24252, Republic of Korea
| | - Yeji Lee
- Department of Food Science and Nutrition & the Korean Institute of Nutrition, Hallym University, Chuncheon, 24252, Republic of Korea
| | - Kyong-Oh Shin
- Department of Food Science and Nutrition & the Korean Institute of Nutrition, Hallym University, Chuncheon, 24252, Republic of Korea
| | - Kyungho Park
- Department of Food Science and Nutrition & the Korean Institute of Nutrition, Hallym University, Chuncheon, 24252, Republic of Korea
| | - Il-Jun Kang
- Department of Food Science and Nutrition & the Korean Institute of Nutrition, Hallym University, Chuncheon, 24252, Republic of Korea.
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27
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Alfredo MG, Maribel PM, Eloy PR, Susana GE, Luis LGS, Carmen GM. Depigmenting topical therapy based on a synergistic combination of compounds targeting the key pathways involved in melasma pathophysiology. Exp Dermatol 2023; 32:611-619. [PMID: 36682042 DOI: 10.1111/exd.14752] [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: 07/12/2022] [Revised: 12/01/2022] [Accepted: 01/14/2023] [Indexed: 01/23/2023]
Abstract
Melasma has a complex pathophysiology with different cell types and signalling pathways involved. Paracrine factors secreted by keratinocytes, fibroblasts and endothelial cells act on melanocytes and stimulate melanogenesis. These paracrine factors are involved in the oxidative stress, inflammatory, vascular and hormonal pathways, among others. Damage of the dermoepidermal barrier also occurs and facilitates melanin deposition in the dermis, also known as dermal or mixed melasma. We used artificial intelligence tools to define the best combination of compounds for skin pigmentation inhibition. Mathematical models suggested the combination of retinol, diosmin and ferulic acid to be the most effective one. In vitro cellular tyrosinase activity assay proved that this combination had a synergistic depigmenting effect. Further assays proved that the combination could inhibit key pathways involved in melasma by downregulating ET-1 and COX-2 gene expression and IBMX-induced dendricity in human melanocytes, and upregulated the gene expression of IL-1b, TIMP3 and several endogenous antioxidant enzymes. The combination also reduced melanin levels in a phototype VI 3D epidermis model. These results indicate that the combination of retinol, diosmin and ferulic acid is an effective synergistic complex for the treatment of melasma by regulating the key molecular pathways involved in skin hyperpigmentation pathophysiology.
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Affiliation(s)
| | | | | | | | - Luis G S Luis
- Medical Unit, Mesoestetic Pharma Group, Barcelona, Spain
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Athapaththu AMGK, Sanjaya SS, Lee KT, Karunarathne WAHM, Choi YH, Hur SP, Kim GY. Pinostrobin Suppresses the α-Melanocyte-Stimulating Hormone-Induced Melanogenic Signaling Pathway. Int J Mol Sci 2023; 24:ijms24010821. [PMID: 36614262 PMCID: PMC9821324 DOI: 10.3390/ijms24010821] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2022] [Revised: 12/27/2022] [Accepted: 12/27/2022] [Indexed: 01/05/2023] Open
Abstract
Pinostrobin is a dietary flavonoid found in several plants that possesses pharmacological properties, such as anti-cancer, anti-virus, antioxidant, anti-ulcer, and anti-aromatase effects. However, it is unclear if pinostrobin exerts anti-melanogenic properties and, if so, what the underlying molecular mechanisms comprise. Therefore, we, in this study, investigated whether pinostrobin inhibits melanin biosynthesis in vitro and in vivo, as well as the potential associated mechanism. Pinostrobin reduced mushroom tyrosinase activity in vitro in a concentration-dependent manner, with an IC50 of 700 μM. Molecular docking simulations further revealed that pinostrobin forms a hydrogen bond, as well as other non-covalent interactions, between the C-type lectin-like fold and polyphenol oxidase chain, rather than the previously known copper-containing catalytic center. Additionally, pinostrobin significantly decreased α-melanocyte-stimulating hormone (α-MSH)-induced extracellular and intracellular melanin production, as well as tyrosinase activity, in B16F10 melanoma cells. More specifically, pinostrobin inhibited the α-MSH-induced melanin biosynthesis signaling pathway by suppressing the cAMP-CREB-MITF axis. In fact, pinostrobin also attenuated pigmentation in α-MSH-stimulated zebrafish larvae without causing cardiotoxicity. The findings suggest that pinostrobin effectively inhibits melanogenesis in vitro and in vivo via regulation of the cAMP-CREB-MITF axis.
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Affiliation(s)
| | | | - Kyoung Tae Lee
- Forest Bioresources Department, Forest Microbiology Division, National Institute of Forest Science, Suwon 16631, Republic of Korea
| | | | - Yung Hyun Choi
- Department of Biochemistry, College of Korean Medicine, Dong-Eui University, Busan 47227, Republic of Korea
| | - Sung-Pyo Hur
- Department of Marine Life Science, Jeju National University, Jeju 63243, Republic of Korea
| | - Gi-Young Kim
- Department of Marine Life Science, Jeju National University, Jeju 63243, Republic of Korea
- Correspondence:
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Li Q, Wang C, Li X, Zhang J, Zhang Z, Yang K, Ouyang J, Zha S, Sha L, Ge J, Chen Z, Gu Z. Epidermis-on-a-chip system to develop skin barrier and melanin mimicking model. J Tissue Eng 2023; 14:20417314231168529. [PMID: 37114033 PMCID: PMC10126702 DOI: 10.1177/20417314231168529] [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: 11/28/2022] [Accepted: 03/22/2023] [Indexed: 04/29/2023] Open
Abstract
In vitro skin models are rapidly developing and have been widely used in various fields as an alternative to traditional animal experiments. However, most traditional static skin models are constructed on Transwell plates without a dynamic three-dimensional (3D) culture microenvironment. Compared with native human and animal skin, such in vitro skin models are not completely biomimetic, especially regarding their thickness and permeability. Therefore, there is an urgent need to develop an automated biomimetic human microphysiological system (MPS), which can be used to construct in vitro skin models and improve bionic performance. In this work, we describe the development of a triple-well microfluidic-based epidermis-on-a-chip (EoC) system, possessing epidermis barrier and melanin-mimicking functions, as well as being semi-solid specimen friendly. The special design of our EoC system allows pasty and semi-solid substances to be effectively utilized in testing, as well as allowing for long-term culturing and imaging. The epidermis in this EoC system is well-differentiated, including basal, spinous, granular, and cornified layers with appropriate epidermis marker (e.g. keratin-10, keratin-14, involucrin, loricrin, and filaggrin) expression levels in corresponding layers. We further demonstrate that this organotypic chip can prevent permeation of over 99.83% of cascade blue (a 607 Da fluorescent molecule), and prednisone acetate (PA) was applied to test percutaneous penetration in the EoC. Finally, we tested the whitening effect of a cosmetic on the proposed EoC, thus demonstrating its efficacy. In summary, we developed a biomimetic EoC system for epidermis recreation, which could potentially serve as a useful tool for skin irritation, permeability, cosmetic evaluation, and drug safety tests.
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Affiliation(s)
- Qiwei Li
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing, China
| | - Chunyan Wang
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing, China
- State Key Laboratory of Space Medicine Fundamentals and Application, Chinese Astronaut Science Researching and Training Center, Beijing, China
| | - Xiaoran Li
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing, China
- Institute of Medical Devices (Suzhou), Southeast University, Suzhou, China
- Jiangsu Avatarget Biotechnology Co., Ltd. Suzhou, China
| | - Jing Zhang
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing, China
- Institute of Medical Devices (Suzhou), Southeast University, Suzhou, China
- Jiangsu Avatarget Biotechnology Co., Ltd. Suzhou, China
| | - Zilin Zhang
- Jiangsu Avatarget Biotechnology Co., Ltd. Suzhou, China
| | - Keyu Yang
- Jiangsu Avatarget Biotechnology Co., Ltd. Suzhou, China
| | - Jun Ouyang
- Jiangsu Avatarget Biotechnology Co., Ltd. Suzhou, China
| | - Shaohui Zha
- Jiangsu Avatarget Biotechnology Co., Ltd. Suzhou, China
| | - Lifeng Sha
- Jiangsu Avatarget Biotechnology Co., Ltd. Suzhou, China
| | - Jianjun Ge
- Institute of Medical Devices (Suzhou), Southeast University, Suzhou, China
- Jiangsu Avatarget Biotechnology Co., Ltd. Suzhou, China
| | - Zaozao Chen
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing, China
- Institute of Medical Devices (Suzhou), Southeast University, Suzhou, China
- Zaozao Chen, State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, SiPaiLou #2, Nanjing 210096, China.
| | - Zhongze Gu
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing, China
- Institute of Medical Devices (Suzhou), Southeast University, Suzhou, China
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The mechanisms of melanogenesis inhibition by glabridin: molecular docking, PKA/MITF and MAPK/MITF pathways. FOOD SCIENCE AND HUMAN WELLNESS 2023. [DOI: 10.1016/j.fshw.2022.07.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Kanpipit N, Nualkaew N, Thapphasaraphong S. The Potential of Purple Waxy Corn Cob ( Zea mays L.) Extract Loaded-Sericin Hydrogel for Anti-Hyperpigmentation, UV Protection and Anti-Aging Properties as Topical Product Applications. Pharmaceuticals (Basel) 2022; 16:ph16010035. [PMID: 36678532 PMCID: PMC9864391 DOI: 10.3390/ph16010035] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Revised: 12/23/2022] [Accepted: 12/23/2022] [Indexed: 12/28/2022] Open
Abstract
Sericin-hydrogel formulations incorporating purple waxy corn (Zea mays L.) cob extract (PWCC) were developed as potential topical skin cosmetic products. Sericin has wound healing properties, protects against ultraviolet (UV) radiation, and exhibits anti-inflammatory, anti-oxidation, and anti-tyrosinase activities. PWCC is a rich source of anthocyanins with antioxidants, UV protective, anti-inflammatory, and collagen-enhancing activities. Six hydrogel formulations (S1-S6) were investigated for anti-melanogenesis on the B16F10 melanoma cell line and UV-protection on human keratinocytes (HaCaT) and anti-aging activities on normal human dermal fibroblasts (NHDFs). The results showed that the hydrogel formulations enhanced the anthocyanin permeation through the skin. The S4 formulation indicated the highest inhibition of tyrosinase activity and reduced the melanin pigment, increased the cell viability of the UV-induced HaCaT cells, the inhibition of collagenase and elastase, and increased the collagen type I production without cytotoxicity. Therefore, the PWCC loaded-sericin hydrogels show a high potential as a novel anti-hyperpigmentation, UV protection, and anti-aging products for topical applications.
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Affiliation(s)
- Nattawadee Kanpipit
- Biomedical Science Program, Graduate School, Khon Kaen University, Khon Kaen 40002, Thailand
| | - Natsajee Nualkaew
- Department of Pharmacognosy and Toxicology, Faculty of Pharmaceutical Sciences, Khon Kaen University, Khon Kaen 40002, Thailand
| | - Suthasinee Thapphasaraphong
- Department of Pharmaceutical Chemistry, Faculty of Pharmaceutical Sciences, Khon Kaen University, Khon Kaen 40002, Thailand
- Correspondence: ; Tel.: +66-869218334
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Aly SH, Eldahshan OA, Al-Rashood ST, Binjubair FA, El Hassab MA, Eldehna WM, Dall’Acqua S, Zengin G. Chemical Constituents, Antioxidant, and Enzyme Inhibitory Activities Supported by In-Silico Study of n-Hexane Extract and Essential Oil of Guava Leaves. Molecules 2022; 27:molecules27248979. [PMID: 36558111 PMCID: PMC9781903 DOI: 10.3390/molecules27248979] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2022] [Revised: 12/05/2022] [Accepted: 12/06/2022] [Indexed: 12/23/2022] Open
Abstract
Psidium guajava (Guava tree) is one of the most widely known species in the family Myrtaceae. The Guava tree has been reported for its potential antioxidant, anti-inflammatory, antimicrobial, and cytotoxic activities. In the current study, the chemical compositions of the n-hexane extract and the essential oil of P. guajava were investigated using the GC/MS analysis, along with an evaluation of their antioxidant potential, and an investigation into the enzyme inhibition of acetylcholinesterase (AChE), butyrylcholinesterase (BchE), tyrosinase, α-amylase, and α-glucosidase. Moreover, molecular docking of the major identified active sites of the target enzymes were investigated. The chemical characterization of the n-hexane extract and essential oil revealed that squalene (9.76%), α-tocopherol (8.53%), and γ-sitosterol (3.90%) are the major compounds in the n-hexane extract. In contrast, the major constituents of the essential oil are D-limonene (36.68%) and viridiflorol (9.68%). The n-hexane extract showed more antioxidant potential in the cupric reducing antioxidant capacity (CUPRAC), the ferric reducing power (FRAP), and the metal chelating ability (MCA) assays, equivalent to 70.80 ± 1.46 mg TE/g, 26.01 ± 0.97 mg TE/g, and 24.83 ± 0.35 mg EDTAE/g, respectively. In the phosphomolybdenum (PM) assay, the essential oil showed more antioxidant activity equivalent to 2.58 ± 0.14 mmol TE/g. The essential oil demonstrated a potent BChE and tyrosinase inhibitory ability at 6.85 ± 0.03 mg GALAE/g and 61.70 ± 3.21 mg KAE/g, respectively. The α-amylase, and α-glucosidase inhibitory activity of the n-hexane extract and the essential oil varied from 0.52 to 1.49 mmol ACAE/g. Additionally, the molecular docking study revealed that the major compounds achieved acceptable binding scores upon docking with the tested enzymes. Consequently, the P. guajava n-hexane extract and oil can be used as a promising candidate for the development of novel treatment strategies for oxidative stress, neurodegeneration, and diabetes mellitus diseases.
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Affiliation(s)
- Shaza H. Aly
- Department of Pharmacognosy, Faculty of Pharmacy, Badr University in Cairo (BUC), Cairo 11829, Egypt
| | - Omayma A. Eldahshan
- Pharmacognosy Department, Faculty of Pharmacy, Ain Shams University, Cairo 11566, Egypt
- Center for Drug Discovery Research and Development, Ain Shams University, Cairo 11566, Egypt
- Correspondence: (O.A.E.); (G.Z.)
| | - Sara T. Al-Rashood
- Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, P.O. Box 2457, Riyadh 11451, Saudi Arabia
| | - Faizah A. Binjubair
- Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, P.O. Box 2457, Riyadh 11451, Saudi Arabia
| | - Mahmoud A. El Hassab
- Department of Medicinal Chemistry, Faculty of Pharmacy, King Salman International University (KSIU), South Sinai 46612, Egypt
| | - Wagdy M. Eldehna
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Kafrelsheikh University, Kafrelsheikh 33516, Egypt
- School of Biotechnology, Badr University in Cairo, Badr City, Cairo 11829, Egypt
| | - Stefano Dall’Acqua
- Department of Pharmaceutical and Pharmacological Sciences, University of Padova, 35131 Padova, Italy
| | - Gokhan Zengin
- Department of Biology, Science Faculty, Selcuk University, Konya 42130, Turkey
- Correspondence: (O.A.E.); (G.Z.)
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Li J, Jiang S, Huang C, Yang X. Atraric Acid Ameliorates Hyperpigmentation through the Downregulation of the PKA/CREB/MITF Signaling Pathway. Int J Mol Sci 2022; 23:ijms232415952. [PMID: 36555593 PMCID: PMC9788525 DOI: 10.3390/ijms232415952] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2022] [Revised: 12/10/2022] [Accepted: 12/13/2022] [Indexed: 12/23/2022] Open
Abstract
Atraric acid (AA) is derived from lichens and is widely used in perfumes for its desirable scent. It has been reported as having anti-inflammatory and antioxidant activity. Hyperpigmentation is the underlying cause of a variety of dermatological diseases that have a significant impact on patients' quality of life and are frequently difficult to treat. This study aimed to explore the inhibitory effects of AA on hyperpigmentation in vitro and in vivo and its potential molecular mechanisms. The cytological results revealed that at a dose of 250 μM, AA may reduce melanin content and tyrosinase levels without causing cytotoxicity. Furthermore, the expression of melanocortin-1 receptor (MC1R), phosphorylated protein kinase A (pPKA) and phosphorylated cAMP response element binding protein (pCREB) were downregulated in AA-administrated cells. In vivo, histological analysis showed that AA could inhibit melanin production and tyrosinase activity, and 3% AA had the best activity, with almost no side effects. Furthermore, the results of Western blot analysis and RT-PCR suggested that AA may suppress the mRNA transcription of microphthalmia-associated transcription factor (MITF) protein and tyrosine protease by decreasing the expression of MC1R, consequently decreasing the phosphorylation of PKA and CREB. Finally, the MC1R inhibitor MSG606 verified the hypothesis that AA suppresses melanin formation by downregulating the PKA/CREB/MITF signaling pathway. Taken together, our study offers valuable information for the development of AA as a possible ingredient in skin-lightening cosmeceuticals and hyperpigmentation inhibitors.
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Oh SJ, Park JY, Won B, Oh YT, Yang SC, Shin OS. Asterias pectinifera-Derived Collagen Peptides Mixed with Halocynthia roretzi Extracts Exhibit Anti-Photoaging Activities during Exposure to UV Irradiation, and Antibacterial Properties. J Microbiol Biotechnol 2022; 32:1382-1389. [PMID: 36330743 PMCID: PMC9720080 DOI: 10.4014/jmb.2207.07018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2022] [Revised: 09/15/2022] [Accepted: 09/30/2022] [Indexed: 11/06/2022]
Abstract
Asterias pectinifera, a species of starfish and cause of concern in the aquaculture industry, was recently identified as a source of non-toxic and highly water-soluble collagen peptides. In this study, we investigated the antioxidant and anti-photoaging functions of compounds formulated using collagen peptides from extracts of Asterias pectinifera and Halocynthia roretzi (AH). Our results showed that AH compounds have various skin protective functions, including antioxidant effects, determined by measuring the scavenging activity of 2,2-diphenyl-1-picrylhydrazyl radicals, as well as anti-melanogenic effects, determined by measuring tyrosinase inhibition activity. To determine whether ethosome-encapsulated AH compounds (E(AH)) exert ultraviolet (UV)-protective effects, human dermal fibroblasts or keratinocytes were incubated with E(AH) before and after exposure to UVA or UVB. E(AH) treatment led to inhibition of photoaging-induced secretion of matrix metalloproteinase-1 and interleukin-6 and -8, which are associated with inflammatory responses during UV irradiation. Finally, the antibacterial effects of AH and E(AH) were confirmed against both gram-negative and gram-positive bacteria. Our results indicate that E(AH) has the potential for use in the development of cosmetics with a range of skin protective functions.
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Affiliation(s)
- Soo-Jin Oh
- BK21 Graduate Program, Department of Biomedical Sciences, College of Medicine, Korea University Guro Hospital, Seoul 08308, Republic of Korea
| | - Ji-Ye Park
- BK21 Graduate Program, Department of Biomedical Sciences, College of Medicine, Korea University Guro Hospital, Seoul 08308, Republic of Korea
| | - Bada Won
- R&D Center, Star's Tech Co., Ltd., Seoul 08389, Republic of Korea
| | - Yong-Taek Oh
- R&D Center, Star's Tech Co., Ltd., Seoul 08389, Republic of Korea
| | - Seung-Chan Yang
- R&D Center, Star's Tech Co., Ltd., Seoul 08389, Republic of Korea
| | - Ok Sarah Shin
- BK21 Graduate Program, Department of Biomedical Sciences, College of Medicine, Korea University Guro Hospital, Seoul 08308, Republic of Korea,Corresponding author Phone: +82-2-2626-3280 E-mail:
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Kamilijiang M, Zang D, Abudukelimu N, Aidarhan N, Liu G, Aisa HA. Anti-Melanogenesis Effect of Polysaccharide from Saussurea involucrata on Forskolin-Induced Melanogenesis in B16F10 Melanoma Cells. Nutrients 2022; 14:nu14235044. [PMID: 36501075 PMCID: PMC9736293 DOI: 10.3390/nu14235044] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2022] [Revised: 11/23/2022] [Accepted: 11/24/2022] [Indexed: 11/29/2022] Open
Abstract
As one of the prominent medicinal plants listed in the Chinese pharmacopoeia (2020), Saussurea involucrata (Kar. et Kir.) Sch.-Bip was demonstrated to possess various therapeutic effects. In our recent research, we extracted the polysaccharides from S. involucrata (SIP) at optimal conditions and conducted further structure elucidation on the main fraction as well as the confirmation of its possible anti-inflammatory activity. Hence, in this work, we assessed the in vitro antioxidant activity and anti-melanogenesis effects of the crude SIP in forskolin-induced B16F10 melanoma cells. The results show that SIP possessed strong antioxidant activity and was effective in concentration-dependently decreasing melanin formation and inhibiting tyrosinase activity in forskolin-induced B16F10 cells. Based on these results, the inhibitory mechanism of melanogenesis was investigated by measuring Tyrosinase (TYR), Tyrosinase related protein-1 (TRP-1), Tyrosinase related protein-2 (TRP-2), Microphthalmia-associated transcription factor (MITF), cAMP-response element binding protein (CREB), mitogen-activated protein kinases (MAPK) signaling protein members, and β-catenin degradation in forskolin-induced B16F10 cells. The anti-melanogenesis response of SIP might be attributed to the regulation of c-Jun N-terminal kinase (JNK) phosphorylation and β-catenin degradation pathways. These results suggest that polysaccharides from S. involucrata possess a strong anti-melanogenic effect, and thus could be used as a high-value natural material for skin whitening in cosmeceutical industries.
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Affiliation(s)
- Mayila Kamilijiang
- State Key Laboratory Basis of Xinjiang Indigenous Medicinal Plants Resource Utilization, Xinjiang Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Urumqi 830011, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Deng Zang
- State Key Laboratory Basis of Xinjiang Indigenous Medicinal Plants Resource Utilization, Xinjiang Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Urumqi 830011, China
| | - Nuermaimaiti Abudukelimu
- State Key Laboratory Basis of Xinjiang Indigenous Medicinal Plants Resource Utilization, Xinjiang Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Urumqi 830011, China
| | - Nurbolat Aidarhan
- State Key Laboratory Basis of Xinjiang Indigenous Medicinal Plants Resource Utilization, Xinjiang Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Urumqi 830011, China
| | - Geyu Liu
- State Key Laboratory Basis of Xinjiang Indigenous Medicinal Plants Resource Utilization, Xinjiang Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Urumqi 830011, China
| | - Haji Akber Aisa
- State Key Laboratory Basis of Xinjiang Indigenous Medicinal Plants Resource Utilization, Xinjiang Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Urumqi 830011, China
- Correspondence:
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Potential Cosmetic Active Ingredients Derived from Marine By-Products. Mar Drugs 2022; 20:md20120734. [PMID: 36547881 PMCID: PMC9787341 DOI: 10.3390/md20120734] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2022] [Revised: 11/18/2022] [Accepted: 11/20/2022] [Indexed: 11/25/2022] Open
Abstract
The market demand for marine-based cosmetics has shown a tremendous growth rate in the last decade. Marine resources represent a promising source of novel bioactive compounds for new cosmetic ingredient development. However, concern about sustainability also becomes an issue that should be considered in developing cosmetic ingredients. The fisheries industry (e.g., fishing, farming, and processing) generates large amounts of leftovers containing valuable substances, which are potent sources of cosmeceutical ingredients. Several bioactive substances could be extracted from the marine by-product that can be utilized as a potent ingredient to develop cosmetics products. Those bioactive substances (e.g., collagen from fish waste and chitin from crustacean waste) could be utilized as anti-photoaging, anti-wrinkle, skin barrier, and hair care products. From this perspective, this review aims to approach the potential active ingredients derived from marine by-products for cosmetics and discuss the possible activity of those active ingredients in promoting human beauty. In addition, this review also covers the prospect and challenge of using marine by-products toward the emerging concept of sustainable blue cosmetics.
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Won YR, Won KJ, Kim DY, Kim MJ, Hong BS, Lee HM. Chemical Composition of Impatiens textori Miq. Flower Absolute and Its Potential Wound Repair and Anti-Melanogenesis-Promoting Activities in Skin Cells. Pharmaceuticals (Basel) 2022; 15:1397. [PMID: 36422527 PMCID: PMC9699174 DOI: 10.3390/ph15111397] [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: 10/17/2022] [Revised: 11/04/2022] [Accepted: 11/10/2022] [Indexed: 06/10/2024] Open
Abstract
Impatiens textori Miq. (ITM; family Balsaminaceae) is a traditional medicinal plant with many biological activities, which include anti-allergic, anti-inflammatory, and anti-pruritic properties. However, it remains to be determined whether ITM affects biological activities in the skin. Thus, we investigated the effects of ITM flower absolute (ITMFAb) extract on the biological activities of skin, especially those related to skin wound repair and whitening. ITMFAb was extracted with hexane, and its composition was determined through GC/MS. The biological activities of ITMFAb on HaCaT keratinocytes and B16BL6 melanoma cells were analyzed using a water-soluble tetrazolium salt, 5-bromo-2'-deoxyuridine incorporation, a Boyden chamber, an ELISA, a sprouting assay, and by immunoblotting. These analyses were performed in a range of ITMFAb concentrations that did not inhibit the viability of the cells (HaCaT, ≤400 µg/mL; B16BL6, ≤200 µg/m). Forty components were identified in ITMFAb. ITMFAb stimulated proliferation, migration, sprout outgrowth, and type I and IV collagen synthesis and upregulated the activations of ERK1/2, JNK, p38 MAPK, and AKT in HaCaT cells. In addition, ITMFAb attenuated the serum-induced proliferation of B16BL6 cells. ITMFAb inhibited melanin synthesis, tyrosinase activity, and expressions of MITF and tyrosinase in α-MSH-exposed B16BL6 cells. These findings indicate that ITMFAb has beneficial effects on wound repairing and whitening-linked responses in the skin and suggest the potential use of ITMFAb as a natural material for the development of skin wound repair and whitening agents.
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Affiliation(s)
- Yu Rim Won
- Division of Cosmetic and Biotechnology, College of Life and Health Sciences, Hoseo University, Asan 31499, Korea
| | - Kyung Jong Won
- Department of Physiology and Medical Science, School of Medicine, Konkuk University, Seoul 05029, Korea
| | - Do Yoon Kim
- Division of Cosmetic and Biotechnology, College of Life and Health Sciences, Hoseo University, Asan 31499, Korea
- Korea Essential Oil Resource Research Institute, Hoseo University, Asan 31499, Korea
| | - Mi Jung Kim
- Division of Cosmetic and Biotechnology, College of Life and Health Sciences, Hoseo University, Asan 31499, Korea
| | - Bok Sil Hong
- Department of Nursing, Life Science Research Center, Cheju Halla University, Jeju 63092, Korea
| | - Hwan Myung Lee
- Division of Cosmetic and Biotechnology, College of Life and Health Sciences, Hoseo University, Asan 31499, Korea
- Korea Essential Oil Resource Research Institute, Hoseo University, Asan 31499, Korea
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Takashima K, Teramachi M, Marumoto S, Ishikawa F, Manse Y, Morikawa T, Tanabe G. Structure–activity relationship study of 4,5-didehydroguadiscine, an aporphine alkaloid showing potent melanogenesis-inhibitory activity in B16 melanoma cells. Bioorg Med Chem Lett 2022; 78:129034. [DOI: 10.1016/j.bmcl.2022.129034] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2022] [Revised: 10/03/2022] [Accepted: 10/17/2022] [Indexed: 11/02/2022]
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Torgbo S, Rugthaworn P, Sukatta U, Sukyai P. Biological Characterization and Quantification of Rambutan ( Nephelium lappaceum L.) Peel Extract as a Potential Source of Valuable Minerals and Ellagitannins for Industrial Applications. ACS OMEGA 2022; 7:34647-34656. [PMID: 36188307 PMCID: PMC9521024 DOI: 10.1021/acsomega.2c04646] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/22/2022] [Accepted: 09/06/2022] [Indexed: 06/16/2023]
Abstract
This study extracted ellagitannins from rambutan peel using the Soxhlet technique. The extract was further partitioned and fractionated to get extract rich in ellagitannin and geraniin, respectively. The partitioning of the extract significantly increased total phenolic content (TPC) by 36.3% and its biological properties. Mineral elements such as Ca, Cr, Cu, Fe, K, Mg, Mn, Na, Ni, and Zn were identified in both peel and extract. Ellagitannins such as geraniin and corilagin with metabolites (gallic acid and ellagic acid) were identified as the major compounds. Analysis of antioxidant activities shows that the ellagitannin rich extract is as powerful as vitamin C. Geraniin was the main contributor to the free radical scavenging activity. The study also revealed that extract with a fraction rich in geraniin has antioxidant activity equivalent to commercial geraniin (1.56 ± 0.11 Trolox equivalent g/g). It also showed low cytotoxicity on fibroblast L929 cells, moderate tyrosinase activity, and good efficacy against Staphylococcus aureus, Staphylococcus epidermidis, and Cutibacterium acnes strains. Successive fractionation of the extract is a promising technique to produce geraniin rich fractions with enhanced antioxidant property. Rambutan peel, as a natural product, is a good source of mineral elements and biologically active compounds for pharmaceutical, nutraceutical, and cosmetic formulations.
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Affiliation(s)
- Selorm Torgbo
- Cellulose
for Future Materials and Technologies Special Research Unit, Department
of Biotechnology, Faculty of Agro-Industry, Kasetsart University, Chatuchak, Bangkok 10900, Thailand
| | - Prapassorn Rugthaworn
- Kasetsart
Agricultural and Agro-Industrial Product Improvement Institute, Kasetsart University,
Chatuchak, Bangkok 10900, Thailand
| | - Udomlak Sukatta
- Kasetsart
Agricultural and Agro-Industrial Product Improvement Institute, Kasetsart University,
Chatuchak, Bangkok 10900, Thailand
| | - Prakit Sukyai
- Cellulose
for Future Materials and Technologies Special Research Unit, Department
of Biotechnology, Faculty of Agro-Industry, Kasetsart University, Chatuchak, Bangkok 10900, Thailand
- Center
for Advanced Studies for Agriculture and Food (CASAF), Kasetsart University
Institute for Advanced Studies, Kasetsart
University, 50 Ngamwongwan
Road, Chatuchak, Bangkok, 10900, Thailand
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Nomilin from Yuzu Seed Has In Vitro Antioxidant Activity and Downregulates Melanogenesis in B16F10 Melanoma Cells through the PKA/CREB Signaling Pathway. Antioxidants (Basel) 2022; 11:antiox11091636. [PMID: 36139710 PMCID: PMC9495840 DOI: 10.3390/antiox11091636] [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: 07/11/2022] [Revised: 08/11/2022] [Accepted: 08/19/2022] [Indexed: 11/24/2022] Open
Abstract
Yuzu (Citrus junos) is a citrus plant native to Asian countries, including Korea, Japan, and China. Yuzu peel and seed contain abundant vitamin C, citric acid, and polyphenols. Although the antioxidative and antimelanogenic activities of other citrus fruits and yuzu extract have been reported, the tyrosinase inhibitory activity of the limonoid aglycone contained in yuzu seed extract is unknown. We separated yuzu seeds into the husk, shell, and meal and evaluated antioxidant activity of each. The limonoid glucoside fraction of the husk identified nomilin, a novel tyrosinase inhibitor. We performed tyrosinase inhibitory activity and noncompetitive inhibition assays and docking studies to determine nomilin binding sites. Furthermore, we evaluated the antioxidative mechanism and antimelanogenic activity of nomilin in B16F10 melanoma cells. The concentration of nomilin that did not show toxicity was <100 µg/mL. Nomilin suppressed protein expression of TYR, TRP-1, TRP-2, and microphthalmia-associated transcription factor (MITF) in a concentration-dependent manner. Nomilin significantly reduced the levels of p-CREB and p-PKA at the protein level and decreased the levels of skin-whitening-related factors MITF, tyrosinase, TRP-1, and TRP-2 at the mRNA level in a concentration-dependent manner. Thus, nomilin from yuzu seed husk can be used as a skin-whitening agent in cosmetics.
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He Y, Suyama TL, Kim H, Glukhov E, Gerwick WH. Discovery of Novel Tyrosinase Inhibitors From Marine Cyanobacteria. Front Microbiol 2022; 13:912621. [PMID: 35910604 PMCID: PMC9329053 DOI: 10.3389/fmicb.2022.912621] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2022] [Accepted: 06/02/2022] [Indexed: 11/25/2022] Open
Abstract
Tyrosinase, an important oxidase involved in the primary immune response in humans, can sometimes become problematic as it can catalyze undesirable oxidation reactions. Therefore, for decades there has been a strong pharmaceutical interest in the discovery of novel inhibitors of this enzyme. Recent studies have also indicated that tyrosinase inhibitors can potentially be used in the treatment of melanoma cancer. Over the years, many new tyrosinase inhibitors have been discovered from various natural sources; however, marine natural products (MNPs) have contributed only a small number of promising candidates. Therefore, in this study we focused on the discovery of new MNP tyrosinase inhibitors of marine cyanobacterial and algal origins. A colorimetric tyrosinase inhibitory assay was used to screen over 4,500 marine extracts against mushroom tyrosinase (A. bisporus). Our results revealed that scytonemin monomer (ScyM), a pure compound from our compound library and also the monomeric last-step precursor in the biosynthesis of the well-known cyanobacterial sunscreen pigment “scytonemin,” consistently showed the highest tyrosinase inhibitory score. Determination of the half maximal inhibitory concentration (IC50) further indicated that ScyM is more potent than the commonly used commercial inhibitor standard “kojic acid” (KA; IC50 of ScyM: 4.90 μM vs. IC50 of KA: 11.31 μM). After a scaled-up chemical synthesis of ScyM as well as its O-methyl analog (ScyM-OMe), we conducted a series of follow-up studies on their structures, inhibitory properties, and mode of inhibition. Our results supported ScyM as the second case ever of a novel tyrosinase inhibitory compound based on a marine cyanobacterial natural product. The excellent in vitro performance of ScyM makes it a promising candidate for applications such as a skin-whitening agent or an adjuvant therapy for melanoma cancer treatment.
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Affiliation(s)
- Yifan He
- Scripps Institution of Oceanography, University of California San Diego, La Jolla, CA, United States
- *Correspondence: Yifan He,
| | - Takashi L. Suyama
- Department of Chemistry and Forensic Science, Waynesburg University, Waynesburg, PA, United States
- Takashi L. Suyama,
| | - Hyunwoo Kim
- Scripps Institution of Oceanography, University of California San Diego, La Jolla, CA, United States
- College of Pharmacy, Dongguk University, Goyang, South Korea
| | - Evgenia Glukhov
- Scripps Institution of Oceanography, University of California San Diego, La Jolla, CA, United States
| | - William H. Gerwick
- Scripps Institution of Oceanography, University of California San Diego, La Jolla, CA, United States
- Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California, San Diego, La Jolla, CA, United States
- William H. Gerwick,
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Choi MH, Yang SH, Park WK, Shin HJ. Bamboo Lignin Fractions with In Vitro Tyrosinase Inhibition Activity Downregulate Melanogenesis in B16F10 Cells via PKA/CREB Signaling Pathway. Int J Mol Sci 2022; 23:ijms23137462. [PMID: 35806473 PMCID: PMC9267441 DOI: 10.3390/ijms23137462] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2022] [Revised: 06/29/2022] [Accepted: 07/04/2022] [Indexed: 02/05/2023] Open
Abstract
Cosmetic ingredients originating from natural resources have garnered considerable attention, and the demand for whitening ingredients is increasing, particularly in Asian countries. Lignin is a natural phenolic biopolymer significantly effective as a natural sunscreen, as its ultraviolet protection efficacy ranges from 250 to 400 nm. However, using different types of lignin as cosmetic ingredients is difficult owing to the heterogeneity of lignin and the lack of in vitro and in vivo safety and efficacy data. Thus, steam-exploded lignin (SEL) was prepared from bamboo, fractionated via successive organic solvent extraction, and sequentially fractionated using ethyl acetate, methanol, and acetone to investigate its potential as a natural whitening material. Gel permeation chromatography showed that the molecular weight of acetone-soluble and acetone-insoluble SEL fractions were the lowest and the highest, respectively. Monomer structures of the four lignin fractions were elucidated using 1H, 13C, and 2D heteronuclear single quantum coherence nuclear magnetic resonance and pyrolysis gas chromatography/mass spectrometry. The antioxidant and tyrosinase inhibition activities of the four fractions were compared. The methanol-soluble SEL fraction (SEL-F2) showed the highest antioxidant activity (except 2,2-diphenyl-1-picrylhydrazyl scavenging activity), and the enzyme inhibition kinetics were confirmed. In this study, the expression pattern of the anti-melanogenic-related proteins by SEL-F2 was confirmed for the first time via the protein kinase A (PKA)/cAMP-response element-binding (CREB) protein signaling pathway in B16F10 melanoma cells. Thus, SEL may serve as a valuable cosmetic whitening ingredient.
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Affiliation(s)
- Moon-Hee Choi
- Department of Beauty and Cosmetics, Graduate School of Industrial Technology Startup, Chosun University, 309 Pilmundaero, Gwangju 61452, Korea;
| | - Seung-Hwa Yang
- Department of Chemical Engineering, Graduate School of Chosun University, Gwangju 61452, Korea;
| | - Won-Keun Park
- Department of Chemical Energy Engineering, Sangmyong University, Seoul 03016, Korea;
| | - Hyun-Jae Shin
- Department of Beauty and Cosmetics, Graduate School of Industrial Technology Startup, Chosun University, 309 Pilmundaero, Gwangju 61452, Korea;
- Department of Chemical Engineering, Graduate School of Chosun University, Gwangju 61452, Korea;
- Correspondence: ; Tel.: +82-62-230-75-18
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Coutinho TE, Souto EB, Silva AM. Selected Flavonoids to Target Melanoma: A Perspective in Nanoengineering Delivery Systems. Bioengineering (Basel) 2022; 9:bioengineering9070290. [PMID: 35877341 PMCID: PMC9311564 DOI: 10.3390/bioengineering9070290] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2022] [Revised: 06/24/2022] [Accepted: 06/24/2022] [Indexed: 11/16/2022] Open
Abstract
Melanoma is a complex type of cancer that depends on several metabolic factors, while the currently used therapies are not always effective and have unwanted side effects. In this review, the main factors involved in the etiology of cutaneous carcinoma are highlighted, together with the main genes and proteins that regulate cancer invasion and metastization. The role of five selected flavonoids, namely, apigenin, epigallocatechin-3-gallate, kaempferol, naringenin, and silybin, in the modulating receptor tyrosine kinase (RTK) and Wnt pathways is reported with their relevance in the future design of drugs to mitigate and/or treat melanoma. However, as phenolic compounds have some difficulties in reaching the target site, the encapsulation of these compounds in nanoparticles is a promising strategy to promote improved physicochemical stabilization of the bioactives and achieve greater bioavailability. Scientific evidence is given about the beneficial effects of loading these flavonoids into selected nanoparticles for further exploitation in the treatment of melanoma.
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Affiliation(s)
- Tiago E. Coutinho
- Center for Research and Technology of Agro-Environmental and Biological Sciences (CITAB-UTAD), University of Trás-os-Montes e Alto Douro (UTAD), Quinta de Prados, 5001-801 Vila Real, Portugal;
- Department of Biology and Environment, School of Life Sciences and Environment, UTAD, Quinta de Prados, 5001-801 Vila Real, Portugal
| | - Eliana B. Souto
- Department of Pharmaceutical Technology, Faculty of Pharmacy, University of Porto, Rua de Jorge Viterbo Ferreira, 228, 4050-313 Porto, Portugal;
- UCIBIO/REQUIMTE, Faculty of Pharmacy, University of Porto, Rua de Jorge Viterbo Ferreira, 228, 4050-313 Porto, Portugal
| | - Amélia M. Silva
- Center for Research and Technology of Agro-Environmental and Biological Sciences (CITAB-UTAD), University of Trás-os-Montes e Alto Douro (UTAD), Quinta de Prados, 5001-801 Vila Real, Portugal;
- Department of Biology and Environment, School of Life Sciences and Environment, UTAD, Quinta de Prados, 5001-801 Vila Real, Portugal
- Correspondence: ; Tel.: +351-259-350-921
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Antioxidant and Enzyme Inhibitory Properties, and HPLC–MS/MS Profiles of Different Extracts of Arabis carduchorum Boiss.: An Endemic Plant to Turkey. APPLIED SCIENCES-BASEL 2022. [DOI: 10.3390/app12136561] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
In this study, six extracts of Arabis carduchorum prepared from solvents of varying polarity (water, methanol, ethyl acetate, dichloromethane, and n-hexane) were investigated for their chemical profiles and total phenolic and flavonoid contents (TPC/TFC) using HPLC–MS/MS and spectrophotometric/colorimetric assays, respectively, along with the assessment of their antioxidant and enzyme inhibitory effects. In general, the polar extracts (methanol, water, and infusion) showed higher TPC/TFC than the other extracts (range:13.73–26.62 mg GAE/g; 2.66–52.95 mg RE/g, respectively). The total antioxidant capacity of the polar extracts ranged from 0.90–1.85 mmol TE/g in phosphomolybdenum assay, while the free radical scavenging potential ranged from 4.36–32.13 mg TE/g and 12.58–67.73 mg TE/g in DPPH and ABTS assays, respectively. While the water and infuse extract inhibited only butyrylcholinesterase (2.68 and 2.39 mg GALAE/g, respectively), the other extracts were found to inhibit both acetyl- and butyryl-cholinesterases (0.96–2.73 mg GALAE/g and 1.86–5.11 mg GALAE/g, respectively). On the contrary, all extracts exhibited anti-tyrosinase (40.24–59.22 mg KAE/g) and anti-amylase (0.09–0.63 mmol ACAE/g) activities. Overall, this study highlighted the effect of solvent polarity on the extraction of bioactive compounds and the biological properties of the extracts of A. carduchorum; hence, the results obtained could be used to guide optimum extraction in future studies.
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Cyano-Phycocyanin: Mechanisms of Action on Human Skin and Future Perspectives in Medicine. PLANTS 2022; 11:plants11091249. [PMID: 35567250 PMCID: PMC9101960 DOI: 10.3390/plants11091249] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Revised: 04/29/2022] [Accepted: 04/30/2022] [Indexed: 12/03/2022]
Abstract
Cyano-phycocyanin is one of the active pigments of the blue-green algae and is usually isolated from the filamentous cyanobacteria Arthrospira platensis Gomont (Spirulina). Due to its multiple physiological functions and non-toxicity, cyano-phycocyanin may be a potential substance for the topical treatment of various skin diseases. Considering that the conventional medicine faces drug resistance, insufficient efficacy and side effects, the plant origin compounds can act as an alternative option. Thus, the aim of this paper was to review the wound healing, antimicrobial, antioxidative, anti-inflammatory, antimelanogenic and anticancer properties and mechanisms of cyano-phycocyanin topical activities on human skin. Moreover, possible applications and biotechnological requirements for pharmaceutical forms of cyano-phycocyanin for the treatment of various skin diseases are discussed in this review.
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Saleem A, Jamil QA, Khan HMS, Ijaz S. Development, characterization, and clinical investigation of Spinacia oleracea based ultra-high pressure homogenized emulsion system for facial physiological parameters. J Cosmet Dermatol 2022; 21:5168-5180. [PMID: 35478377 DOI: 10.1111/jocd.15024] [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: 02/10/2022] [Revised: 04/08/2022] [Accepted: 04/22/2022] [Indexed: 11/30/2022]
Abstract
BACKGROUND Spinacia oleracea (SO) exhibits radical scavenging and tyrosinase inhibition activity indicating potential as a depigmenting agent. AIMS To develop and characterize a stable emulsified system containing SO extract through ultra-high pressure homogenization, evaluate skin permeability, and enumerate in-vivo performance in terms of melanin index, skin spots analysis, and related skin physiological parameters. METHOD Free radical scavenging and tyrosinase inhibition potential of SO extract was quantified through DPPH radical scavenging and mushroom tyrosinase inhibition assay respectively. 6 SO extract loaded ultra-high pressure emulsified systems (UHSO) were developed using ultra-high pressure homogenizer and assessed for size and polydispersity index (PDI). Among the prepared formulations the optimized formulation (UHSO6) was subjected to 90 days stability studies performed at 8 ºC, 25 ºC, 40 ºC, and 40 ºC+75% RH (relative humidity) for organoleptic features, pH, and rheology. Ex-vivo skin permeability studies were performed on abdominal skin from male albino rat. Changes in skin physiological parameters were evaluated in healthy female volunteers (n=13) for 12 weeks utilizing mexameter®, corneometer® and sebumeter®. Skin spots were analyzed through computerized analysis of high-resolution images by visioFace®. RESULTS SO extract exhibited promising antioxidant (88±0.0096%) and tyrosinase inhibition potential (90.6±0.0015 mg of Kojic Acid Eq/g of extract). Optimized UHSO was found to be stable with respect to stability evaluation, globule size (1110 nm), zeta potential (-27.6), and PDI (0.34). Ex-vivo skin permeation of UHSO was significantly higher than SO loaded coarse emulsion. Moreover, the formulation showed a significant decrease in skin melanin, spot count, and spot % area, whereas skin hydration index was improved significantly. CONCLUSION Stable SO extract loaded emulsion system was successfully developed by a novel, cost-effective technique of ultra-high pressure homogenization which showed improved performance in terms of skin permeation and other skin physiological parameters.
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Affiliation(s)
- Ayesha Saleem
- Department of Pharmaceutics, Faculty of Pharmacy, The Islamia University of Bahawalpur, Pakistan
| | - Qazi Adnan Jamil
- Department of Pharmaceutics, Faculty of Pharmacy, The Islamia University of Bahawalpur, Pakistan
| | | | - Shakeel Ijaz
- Department of Pharmaceutics, Faculty of Pharmacy, The Islamia University of Bahawalpur, Pakistan.,Quaid-e-Azam College of Pharmacy, Pakpattan road Sahiwal, Pakistan
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Recycled Sericin Hydrolysates Modified by Alcalase® Suppress Melanogenesis in Human Melanin-Producing Cells via Modulating MITF. Int J Mol Sci 2022; 23:ijms23073925. [PMID: 35409284 PMCID: PMC8999004 DOI: 10.3390/ijms23073925] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2022] [Revised: 03/27/2022] [Accepted: 03/31/2022] [Indexed: 11/17/2022] Open
Abstract
Because available depigmenting agents exhibit short efficacy and serious side effects, sericin, a waste protein from the silk industry, was hydrolyzed using Alcalase® to evaluate its anti-melanogenic activity in human melanin-producing cells. Sericin hydrolysates consisted of sericin-related peptides in differing amounts and smaller sizes compared with unhydrolyzed sericin, as respectively demonstrated by peptidomic and SDS-PAGE analysis. The lower half-maximum inhibitory concentration (9.05 ± 0.66 mg/mL) compared with unhydrolyzed sericin indicated a potent effect of sericin hydrolysates on the diminution of melanin content in human melanoma MNT1 cells. Not only inhibiting enzymatic activity but also a downregulated expression level of tyrosinase was evident in MNT1 cells incubated with 20 mg/mL sericin hydrolysates. Quantitative RT-PCR revealed the decreased mRNA level of microphthalmia-associated transcription factor (MITF), a tyrosinase transcription factor, which correlated with the reduction of pCREB/CREB, an upstream cascade, as assessed by Western blot analysis in MNT1 cells cultured with 20 mg/mL sericin hydrolysates for 12 h. Interestingly, treatment with sericin hydrolysates for 6–24 h also upregulated pERK, a molecule that triggers MITF degradation, in human melanin-producing cells. These results warrant the recycling of wastewater from the silk industry for further development as a safe and effective treatment of hyperpigmentation disorders.
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Boonjing S, Pongrakhananon V, Sittiwong W, Arunrungvichian K, Maniratanachote R, Chetprayoon P. A tiered approach for evaluation of anti-melanogenic activity of trans-N-coumaroyltyramine derivatives. Exp Dermatol 2022; 31:1177-1187. [PMID: 35325487 DOI: 10.1111/exd.14569] [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: 11/07/2021] [Revised: 02/28/2022] [Accepted: 03/22/2022] [Indexed: 11/29/2022]
Abstract
Skin hyperpigmentation is commonly treated by topical drug application. Several naturally occurring compounds exhibit attractive biological effects including anti-melanogenic activity. Chemically modified derivatives of those compounds are expected to be more efficient. However, efficacy and safety testing processes are of significant consideration to identify the most effective compound among them. Herein, we demonstrated a tiered approach to investigate the antipigmentation activity of 17 trans-N-coumaroyltyramine derivatives. First, we evaluated the in chemico antityrosinase activity, then the cytotoxicity of the most potent derivatives using a mitochondrial activity-based assay, followed with the in vitro anti-melanogenic activity in two dimensional (2D) monolayer human melanocytes. The selected derivatives were topically applied on a three dimensional (3D) pigmented-reconstructed human epidermis (pRhE) containing melanocytes and keratinocytes to evaluate their depigmenting activity. Two of the 17 derivatives displayed a significant reduction in pigmentation in the 3D pRhE, comparable to kojic acid, a known tyrosinase inhibitor. In addition, a molecular docking experiment indicated an interaction of the three derivatives and tyrosinase, suggesting that these derivatives have potent anti-melanogenic activity through tyrosinase inhibition. Our findings provide an alternative approach for investigating skin-whitening agents, thereby facilitating the research and development of skin-whitening products that need not be tested on animals.
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Affiliation(s)
- Sirima Boonjing
- Department of Pharmacology and Physiology, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Bangkok, 10330, Thailand
| | - Varisa Pongrakhananon
- Department of Pharmacology and Physiology, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Bangkok, 10330, Thailand.,Preclinical Toxicity and Efficacy Assessment of Medicines and Chemicals Research Unit, Chulalongkorn University, Bangkok, 10330, Thailand
| | - Wantanee Sittiwong
- Department of Chemistry, Faculty of Science and Technology, Thammasat University, Phaholyothin Road, Klong Luang, Phatum Thani 12120, Thailand
| | - Kuntarat Arunrungvichian
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Mahidol University, Bangkok, 10400, Thailand
| | - Rawiwan Maniratanachote
- Toxicology and Bio Evaluation Service Center, National Science and Technology Development Agency, Pathum Thani, 12120, Thailand
| | - Paninee Chetprayoon
- Toxicology and Bio Evaluation Service Center, National Science and Technology Development Agency, Pathum Thani, 12120, Thailand
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Kim JH, Kim TI, Ma JY. Synergistic effects of novel herbal decoctions from Panax ginseng and Morus alba on tyrosinase activity and melanogenesis in vitro. Heliyon 2022; 8:e08866. [PMID: 35198755 PMCID: PMC8850658 DOI: 10.1016/j.heliyon.2022.e08866] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2021] [Revised: 12/26/2021] [Accepted: 01/27/2022] [Indexed: 11/15/2022] Open
Abstract
Many medicinal plants such as a Panax ginseng and Morus alba (mulberry tree) have been widely used as depigmenting agents in Asia. To maximize their synergistic effects on melanogenesis, new herbal decoctions were created by mixing Ginseng Radix Alba (GR) and Mori Radicis Cortex (MC) at a ratio of 3:2 which called GMC decoction. A decoction of GR and Mori Ramulus (MR), which called GMR, was also formulated in order to compare the anti-melanogenic capacity. Combined decoctions, GMC and GMR, significantly decreased mushroom tyrosinase activity in vitro; however, single extracts, including MC and MR, showed weaker inhibitory activity. Melanin content assay and Fontana–Masson staining confirmed that two decoctions showed stronger inhibitory effects on the forskolin-induced melanin level in B16 cells, without cytotoxicity. Our findings suggest that ginseng in combination with mulberry tree enhances the anti-melanogenic effect in vitro.
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50
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Calycosin, a Common Dietary Isoflavonoid, Suppresses Melanogenesis through the Downregulation of PKA/CREB and p38 MAPK Signaling Pathways. Int J Mol Sci 2022; 23:ijms23031358. [PMID: 35163281 PMCID: PMC8836186 DOI: 10.3390/ijms23031358] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2021] [Revised: 01/23/2022] [Accepted: 01/24/2022] [Indexed: 02/02/2023] Open
Abstract
Calycosin, a bioactive isoflavonoid isolated from root extracts of Astragalus membranaceus, has been reported to inhibit melanogenesis, the mechanism of which remains undefined. In this study, we interrogated the mechanistic basis by which calycosin inhibits melanin production in two model systems, i.e., B16F10 melanoma cells and zebrafish embryos. Calycosin was effective in protecting B16F10 cells from α-melanocyte-stimulating hormone (α-MSH)-induced melanogenesis and tyrosinase activity. This anti-melanogenic effect was accompanied by decreased expression levels of microphthalmia-associated transcription factor (MITF), a key protein controlling melanin synthesis, and its target genes tyrosinase and tyrosinase-related protein-2 (TRP-2) in calycosin-treated cells. Mechanistically, we obtained the first evidence that calycosin-mediated MITF downregulation was attributable to its ability to block signaling pathways mediated by cAMP response element-binding protein (CREB) and p38 MAP kinase. The protein kinase A (PKA) inhibitor H-89 and p38 inhibitor SB203580 validated the premise that calycosin inhibits melanin synthesis and tyrosinase activity by regulating the PKA/CREB and p38 MAPK signaling pathways. Moreover, the in vivo anti-melanogenic efficacy of calycosin was manifested by its ability to suppress body pigmentation and tyrosinase activity in zebrafish embryos. Together, these data suggested the translational potential of calycosin to be developed as skin-lightening cosmeceuticals.
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