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Elsheikh MA, Gaafar PM, Khattab MA, A. Helwah MK, Noureldin MH, Abbas H. Dual-effects of caffeinated hyalurosomes as a nano-cosmeceutical gel counteracting UV-induced skin ageing. Int J Pharm X 2023; 5:100170. [PMID: 36844895 PMCID: PMC9950955 DOI: 10.1016/j.ijpx.2023.100170] [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: 12/24/2022] [Revised: 02/04/2023] [Accepted: 02/07/2023] [Indexed: 02/12/2023] Open
Abstract
Caffeine (CAF) is a challenging natural bioactive compound with proven antiaging efficacy. However, being hydrophilic hampers its permeation through the skin. Our aim is to develop a novel CAF-loaded nano-cosmeceutical tool counteracting skin photoaging via improving CAF skin permeation using a bioactive nanocarrier. Caffeinated hyalurosomes are novel biocompatible antiaging nanoplatforms designed by immobilization of phospholipid vesicles with a hyaluronan polymer. Physicochemical properties of the selected hyalurosomes formulation showed nano-sized vesicles (210.10 ± 1.87 nm), with high zeta potential (-31.30 ± 1.19 mv), and high encapsulation efficiency (84.60 ± 1.05%). In vitro release results showed outstanding sustained release profile from caffeinated hyalurosomes compared to the CAF-loaded in conventional gel over 24 h. The in-vivo study revealed a photoprotective effect of caffeinated hyalurosomes, reflected from the intact and wrinkling-free skin. Results of biochemical analyses of oxidative stress, pro-inflammatory mediators, and anti-wrinkling markers further confirmed the efficacy of the prepared hyalurosomes compared to the CAF conventional gel. Finally, histopathological examination demonstrated normal histological structures of epidermal layers with minimal inflammatory cell infiltrates in the caffeinated hyalurosomes group compared to the positive control group. Conclusively, caffeinated hyalurosomes successfully achieved enhanced CAF loading and penetration into the skin besides the hydration effect of hyaluronan. Consequently, the developed delivery system presents a promising skin protection nano-platforms via the double effects of both hyaluronan and CAF, hence it guards against skin photodamage.
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Affiliation(s)
- Manal A Elsheikh
- Department of Pharmaceutics, Faculty of Pharmacy, Damanhour University, Damanhour, Egypt
| | - Passent M.E. Gaafar
- Department of Pharmaceutics, Division of Pharmaceutical Sciences, College of Pharmacy, Arab Academy for Science, Technology and Maritime Transport, Alexandria, P.O. Box 1029, Egypt
| | - Mohamed A. Khattab
- Department of Cytology and Histology, Faculty of Veterinary Medicine, Cairo University, Cairo 12211, Egypt
| | | | - Mohamed H. Noureldin
- Department of Biochemistry, Division of Clinical and Biological Sciences, College of Pharmacy, Arab Academy for Science, Technology and Maritime Transport, Alexandria, P.O. Box 1029, Egypt
| | - Haidy Abbas
- Department of Pharmaceutics, Faculty of Pharmacy, Damanhour University, Damanhour, Egypt,Corresponding author at: Department of Pharmaceutics, Faculty of Pharmacy, Damanhour University, Damanhour, El-Bahira, Egypt Post Office, P.O. Box 22511, Damanhour, Egypt.
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Todo H, Hasegawa Y, Okada A, Itakura S, Sugibayashi K. Improvement of Skin Permeation of Caffeine, a Hydrophilic Drug, by the Application of Water Droplets Provided by a Novel Humidifier Device. Chem Pharm Bull (Tokyo) 2021; 69:727-733. [PMID: 34334516 DOI: 10.1248/cpb.c21-00110] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Recently, a novel humidifier that sprays water fine droplets equipped with a copolymer, poly(3,4-ethylene dioxythiophene)-poly(styrene sulfonate) (PEDOT/PSS) was developed. PEDOT/PSS in the humidifier absorbs water from the environment and releases fine water droplets by heating. In the present study, the effect of hydration on the skin barrier, stratum corneum, was first determined by the application of fine water droplets using the humidifier. The skin-penetration enhancement effect of a model hydrophilic drug, caffeine, was also investigated using the humidifier and compared with a conventional water-evaporative humidifier. More prolonged skin hydration effect was observed after application of the fine water droplet release humidifier using PEDOT/PSS than that using a conventional humidifier. In addition, markedly higher skin permeation of caffeine was observed in both infinite and finite dose conditions. Furthermore, higher skin permeation of caffeine from oil/water emulsion containing caffeine was observed in finite dose conditions by pretreatment with the humidifier using PEDOT/PSS. This device can provide water droplets without replenishing water, so it is more convenient for enhancing the skin permeation of chemical compounds from topical drugs and cosmetic formulations.
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Affiliation(s)
- Hiroaki Todo
- Graduate School of Pharmaceutical Sciences, Josai University.,Faculty of Pharmacy and Pharmaceutical Sciences, Josai University
| | - Yuya Hasegawa
- Graduate School of Pharmaceutical Sciences, Josai University.,Faculty of Pharmacy and Pharmaceutical Sciences, Josai University
| | - Akie Okada
- Graduate School of Pharmaceutical Sciences, Josai University.,Faculty of Pharmacy and Pharmaceutical Sciences, Josai University
| | - Shoko Itakura
- Graduate School of Pharmaceutical Sciences, Josai University.,Faculty of Pharmacy and Pharmaceutical Sciences, Josai University
| | - Kenji Sugibayashi
- Graduate School of Pharmaceutical Sciences, Josai University.,Faculty of Pharmacy and Pharmaceutical Sciences, Josai University
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Kumar N, Jose J. Current developments in the nanomediated delivery of photoprotective phytochemicals. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2020; 27:38446-38471. [PMID: 32761528 DOI: 10.1007/s11356-020-10100-y] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/28/2020] [Accepted: 07/10/2020] [Indexed: 06/11/2023]
Abstract
Natural products have been used to protect the skin from harmful UV radiation for decades. Due to the ecotoxicological implications of synthetic sunscreen exposure in aquatic ecosystems, there is a greater need to explore alternative sources of UV filters. Recent research has focused on discovering novel UV absorbing photoprotective molecules from nature. In response to the excessive damage caused by UVB rays, plants induce the production of high concentrations of phytoprotective secondary metabolites and anti-oxidative enzymes. Despite promising UV absorbing and photoprotective properties, plant secondary metabolites have been underutilized in topical delivery due to low solubility and high instability. Numerous phytochemicals have been effectively nanosized, incorporated in formulations, and studied for their sustained effects in photoprotection. The present review outlines recent developments in nanosizing and delivering photoprotective crude plant extract and phytochemicals from a phytochemical perspective. We searched for articles using keywords: "UV damage," "skin photoprotection," "photodamage," and "nano delivery" in varied combinations. We identified and reviewed literature from 43 original research articles exploring nanosized phytochemicals and crude plant extracts with photoprotective activity. Nanosized phytochemicals retained higher amounts of bioactive compounds in the skin and acted as depots for their sustained release. Novel approaches in nanosizing considerably improved the photostability, efficacy, and water resistance of plant secondary metabolites. We further discuss the need for broad-spectrum sunscreen products, potential challenges, and future growth in this area.
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Affiliation(s)
- Nimmy Kumar
- Department of Pharmacognosy, NITTE Gulabi Shetty Memorial Institute of Pharmaceutical Sciences, NITTE Deemed-to-be University, 575018, Mangalore, India
| | - Jobin Jose
- Department of Pharmaceutics, NITTE Gulabi Shetty Memorial Institute of Pharmaceutical Sciences, NITTE Deemed-to-be University, Mangalore, 575018, India.
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Lee JW, Ratnakumar K, Hung KF, Rokunohe D, Kawasumi M. Deciphering UV-induced DNA Damage Responses to Prevent and Treat Skin Cancer. Photochem Photobiol 2020; 96:478-499. [PMID: 32119110 DOI: 10.1111/php.13245] [Citation(s) in RCA: 40] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2019] [Accepted: 01/11/2020] [Indexed: 12/11/2022]
Abstract
Ultraviolet (UV) radiation is among the most prevalent environmental factors that influence human health and disease. Even 1 h of UV irradiation extensively damages the genome. To cope with resulting deleterious DNA lesions, cells activate a multitude of DNA damage response pathways, including DNA repair. Strikingly, UV-induced DNA damage formation and repair are affected by chromatin state. When cells enter S phase with these lesions, a distinct mutation signature is created via error-prone translesion synthesis. Chronic UV exposure leads to high mutation burden in skin and consequently the development of skin cancer, the most common cancer in the United States. Intriguingly, UV-induced oxidative stress has opposing effects on carcinogenesis. Elucidating the molecular mechanisms of UV-induced DNA damage responses will be useful for preventing and treating skin cancer with greater precision. Excitingly, recent studies have uncovered substantial depth of novel findings regarding the molecular and cellular consequences of UV irradiation. In this review, we will discuss updated mechanisms of UV-induced DNA damage responses including the ATR pathway, which maintains genome integrity following UV irradiation. We will also present current strategies for preventing and treating nonmelanoma skin cancer, including ATR pathway inhibition for prevention and photodynamic therapy for treatment.
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Affiliation(s)
- Jihoon W Lee
- Division of Dermatology, Department of Medicine, University of Washington, Seattle, WA
| | - Kajan Ratnakumar
- Division of Dermatology, Department of Medicine, University of Washington, Seattle, WA
| | - Kai-Feng Hung
- Division of Translational Research, Department of Medical Research, Taipei Veterans General Hospital, Taipei, Taiwan.,School of Dentistry, National Yang-Ming University, Taipei, Taiwan
| | - Daiki Rokunohe
- Department of Dermatology, Hirosaki University Graduate School of Medicine, Hirosaki, Japan
| | - Masaoki Kawasumi
- Division of Dermatology, Department of Medicine, University of Washington, Seattle, WA
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Artusio F, Ferri A, Gigante V, Massella D, Mazzarino I, Sangermano M, Barresi A, Pisano R. Synthesis of high payload nanohydrogels for the ecapsulation of hydrophilic molecules via inverse miniemulsion polymerization: caffeine as a case study. Drug Dev Ind Pharm 2019; 45:1862-1870. [PMID: 31549528 DOI: 10.1080/03639045.2019.1672714] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
The association of an active principle with a nanocarrier is known to improve its stability and protect it from external factors. Nevertheless, loading of nanoparticles with highly hydrophilic substances like caffeine remains a tricky issue. In the present study, inverse miniemulsion systems were successfully coupled to UV radiation to synthesize polymeric nanohydrogels for drug delivery. The proper choice of the continuous and dispersed phase chemical composition led to the entrapment of active principle into the miniemulsion droplets. Our confinement-based strategy enabled unprecedented caffeine encapsulation efficiency inside 100-nm particles. Dimensional, thermal, and spectroscopic characterizations were carried out to investigate both unloaded and loaded nanohydrogels. Furthermore, in vitro release studies evaluated caffeine release kinetics from nanohydrogels by means of dialysis tests. It was demonstrated that controlled and sustained release occurred within the first 50 hours. Experimental data were found to fit the Higuchi model suggesting that the active principle release is diffusion controlled.
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Affiliation(s)
- Fiora Artusio
- Department of Applied Science and Technology, Politecnico di Torino, Torino, Italy
| | - Ada Ferri
- Department of Applied Science and Technology, Politecnico di Torino, Torino, Italy
| | - Valeria Gigante
- Department of Applied Science and Technology, Politecnico di Torino, Torino, Italy
| | - Daniele Massella
- Department of Applied Science and Technology, Politecnico di Torino, Torino, Italy
| | - Italo Mazzarino
- Department of Applied Science and Technology, Politecnico di Torino, Torino, Italy
| | - Marco Sangermano
- Department of Applied Science and Technology, Politecnico di Torino, Torino, Italy
| | - Antonello Barresi
- Department of Applied Science and Technology, Politecnico di Torino, Torino, Italy
| | - Roberto Pisano
- Department of Applied Science and Technology, Politecnico di Torino, Torino, Italy
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Design of Caffeine-Loaded Nanostructured Lipid Carriers Containing Coconut Oil for Topical Application. ACTA ACUST UNITED AC 2019. [DOI: 10.4028/www.scientific.net/kem.819.187] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Although caffeine was suggested as one of the pharmacological agents for the cellulite treatment, its skin permeation restricted. The present work was aimed at formulating caffeine loaded nanostructured lipid carriers (CAF-NLCs) containing coconut oil as a topical delivery system. CAF-NLCs were prepared by the ultrasonic emulsification method, using coconut oil as a liquid lipid. The proper selection of solid lipid and surfactants for these formulations were investigated. Subsequently, physicochemical properties, entrapment efficacy, stability, and in vitro drug release were evaluated. The CAF-NLCs containing coconut oil was successfully prepared using glyceryl behenate as a solid lipid and showed an interesting entrapment efficiency (62-99%). The obtained CAF-NLCs presented the nanosized range (≈ 60-390 nm), with a low polydispersity index and high negative zeta potential values (over ‐30 mV). However, the type and concentration of surfactant also affected these properties. These results suggested that CAF-NLCs containing coconut oil are the promising carrier for delivery of caffeine following topical application.
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dos Santos AM, Marques LC, Gonçalves CP, Marcucci MC. Botanical Aspects, Caffeine Content and Antioxidant Activity of <i>Coffea arabica</i>. ACTA ACUST UNITED AC 2019. [DOI: 10.4236/ajps.2019.106073] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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Li YF, Ouyang SH, Tu LF, Wang X, Yuan WL, Wang GE, Wu YP, Duan WJ, Yu HM, Fang ZZ, Kurihara H, Zhang Y, He RR. Caffeine Protects Skin from Oxidative Stress-Induced Senescence through the Activation of Autophagy. Theranostics 2018; 8:5713-5730. [PMID: 30555576 PMCID: PMC6276298 DOI: 10.7150/thno.28778] [Citation(s) in RCA: 99] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2018] [Accepted: 10/04/2018] [Indexed: 12/28/2022] Open
Abstract
Skin cells are vulnerable to oxidative stress-induced senescence, which may lead to abnormal aging or aging-related disorders. Therefore, strategies that can ameliorate oxidative stress-induced senescence are expected to protect skin from damage, holding the promise of treating skin diseases in the clinic. This study aims to investigate whether caffeine, a well-known purine alkaloid, is able to prevent skin from oxidative stress-induced senescence, and to explore the underlying molecular mechanisms. Methods: A free radical inducer 2,2'-Azobis (2-amidinopropane) dihydrochloride (AAPH) was used to induce oxidative stress and cellular senescence in both transformed skin cells and in normal human epidermal keratinocytes (NHEKs). Ultraviolet (UV) irradiation was established as the in vivo oxidative stress model in mouse skin tissues. Cellular senescence was determined by SA β-galactosidase staining, immunofluorescence and western blotting. Activation of autophagy was confirmed by western blotting, immunofluorescence, and transmission electron microscopy. Reactive oxygen species (ROS) detection by commercial kits, gene knockdown by RNA interference (RNAi) and receptor activation/inactivation by agonist/antagonist treatment were applied in mechanistic experiments. Results: We report that AAPH induced senescence in both transformed skin cells and in NHEKs. Similarly, UV irradiation induced senescence in mouse skin tissues. Remarkably, low dose of caffeine (<10 μM) suppressed cellular senescence and skin damage induced by AAPH or UV. Mechanistically, caffeine facilitated the elimination of ROS by activating autophagy. Using a combination of RNAi and chemical treatment, we demonstrate that caffeine activates autophagy through a series of sequential events, starting from the inhibition of its primary cellular target adenosine A2a receptor (A2AR) to an increase in the protein level of Sirtuin 3 (SIRT3) and to the activation of 5' adenosine monophosphate-activated protein kinase (AMPK). Oral administration of caffeine increased the protein level of SIRT3, induced autophagy, and reduced senescence and tissue damage in UV-irradiated mouse skin. On the other hand, co-administration with autophagy inhibitors attenuated the protective effect of caffeine on UV-induced skin damage in mice. Conclusion: The results reveal that caffeine protects skin from oxidative stress-induced senescence through activating the A2AR/SIRT3/AMPK-mediated autophagy. Our study not only demonstrated the beneficial effect of caffeine using both in vitro and in vivo models, but also systematically investigated the underlying molecular mechanisms. These discoveries implicate the potential of caffeine in the protection of skin disease.
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Massella D, Celasco E, Salaün F, Ferri A, Barresi AA. Overcoming the Limits of Flash Nanoprecipitation: Effective Loading of Hydrophilic Drug into Polymeric Nanoparticles with Controlled Structure. Polymers (Basel) 2018; 10:E1092. [PMID: 30961017 PMCID: PMC6403626 DOI: 10.3390/polym10101092] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2018] [Revised: 09/06/2018] [Accepted: 09/29/2018] [Indexed: 12/26/2022] Open
Abstract
Flash nanoprecipitation (FNP) is a widely used technique to prepare particulate carriers based on various polymers, and it was proven to be a promising technology for the industrial production of drug loaded nanoparticles. However, up to now, only its application to hydrophobic compounds has been deeply studied and the encapsulation of some strongly hydrophilic compounds, such as caffeine, remains a challenge. Caffeine loaded poly-ε-caprolactone (PCL) nanoparticles were produced in a confined impinging jet mixer using acetone as the solvent and water as the antisolvent. Caffeine was dissolved either in acetone or in water to assess the effects of two different process conditions. Nanoparticles properties were assessed in terms of loading capacity (LC%), encapsulation efficiency (EE%), and in vitro release kinetics. Samples were further characterized by dynamic light scattering, scanning electron microscopy, X-ray photo electron spectroscopy, and infrared spectroscopy to determine the size, morphology, and structure of nanoparticles. FNP was proved an effective technique for entrapping caffeine in PCL and to control its release behavior. The solvent used to solubilize caffeine influences the final structure of the obtained particles. It was observed that the active principle was preferentially adsorbed at the surface when using acetone, while with water, it was embedded in the matrix structure. The present research highlights the possibility of extending the range of applications of FNP to hydrophilic molecules.
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Affiliation(s)
- Daniele Massella
- Department of Applied Science and Technology, Politecnico di Torino, Corso Duca degli Abruzzi 24, 10129 Torino (TO), Italy.
- ENSAIT, GEMTEX-Laboratoire de Génie et Matériaux Textiles, F-59000 Lille, France.
- College of Textile and Clothing Engineering, Soochow University, Suzhou 215123, China.
| | - Edvige Celasco
- Dipartimento di Fisica dell'Università degli studi di Genova, Via Dodecaneso 33, 16146 Genova (GE), Italy.
| | - Fabien Salaün
- ENSAIT, GEMTEX-Laboratoire de Génie et Matériaux Textiles, F-59000 Lille, France.
- College of Textile and Clothing Engineering, Soochow University, Suzhou 215123, China.
| | - Ada Ferri
- Department of Applied Science and Technology, Politecnico di Torino, Corso Duca degli Abruzzi 24, 10129 Torino (TO), Italy.
| | - Antonello A Barresi
- Department of Applied Science and Technology, Politecnico di Torino, Corso Duca degli Abruzzi 24, 10129 Torino (TO), Italy.
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Differential glucose requirement in skin homeostasis and injury identifies a therapeutic target for psoriasis. Nat Med 2018; 24:617-627. [PMID: 29662201 PMCID: PMC6095711 DOI: 10.1038/s41591-018-0003-0] [Citation(s) in RCA: 94] [Impact Index Per Article: 15.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2017] [Accepted: 02/22/2018] [Indexed: 11/17/2022]
Abstract
Proliferating cells depend on glucose uptake more than quiescent cells for their growth. While glucose transport in keratinocytes is mediated largely by the Glut1 facilitative transporter, the keratinocyte-specific ablation of Glut1 did not compromise mouse skin development and homeostasis. Ex vivo metabolic profiling revealed altered sphingolipid, hexose, amino acid, and nucleotide metabolism in Glut1-deficient keratinocytes, suggesting metabolic adaptation. On the other hand, Glut1-deficient keratinocytes in culture displayed metabolic and oxidative stress and impaired proliferation. Similarly, Glut1 deficiency impaired in vivo keratinocyte proliferation and migration within wounded or UV-damaged mouse skin. Notably, both genetic and pharmacological Glut1 inactivation reduced hyperplasia in mouse models of psoriasis-like disease. Topical application of a Glut1 inhibitor also reduced inflammation in these models. Glut1 inhibition decreased expression of pathology-associated genes in human psoriatic skin organoids. Thus, Glut1 is selectively required for injury- and inflammation-associated keratinocyte proliferation, and its inhibition offers a novel treatment strategy for psoriasis.
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Abstract
Coffee silverskin, the major coffee-roasting by-product, is currently used as fuel and for soil fertilization. However, there are several studies reporting silverskin as a good source of bioactive compounds that can be extracted and further used by cosmetic industry. Its high antioxidant potential may be due to the synergistic interaction of chlorogenic acids (1–6%), caffeine (0.8–1.25%), and melanoidins (17–23%), among other antioxidant compounds. The bioactive compounds of silverskin can answer to the new fields of cosmetic industry on natural active ingredient resources that improve health skin appearance, counteract skin aging and related diseases, in an environmentally friendly approach. Skin aging is a complex process associated with oxidative metabolism and reactive oxygen species (ROS) generation. ROS production increase matrix metalloproteinases (MMPs), as well as pro-inflammatory mediators, resulting in consequent skin damage and aging. To counteract this process, cosmetic industry is looking for compounds able to increase MMP inhibitory activities, hyaluronidase inhibitory activity, expression of collagen and elastase inhibitory activity, as potential bioactive ingredients with anti-aging purposes. This review focuses on skin aging factors and the potential anti-aging, anti-inflammatory, antimicrobial, anti-cellulite and anti-hair loss activity, as well as protection against UV damage, of coffee silverskin and their bioactive compounds.
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Coffee Silverskin Extract Protects against Accelerated Aging Caused by Oxidative Agents. Molecules 2016; 21:molecules21060721. [PMID: 27258247 PMCID: PMC6274150 DOI: 10.3390/molecules21060721] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2016] [Revised: 05/20/2016] [Accepted: 05/20/2016] [Indexed: 01/12/2023] Open
Abstract
Nowadays, coffee beans are almost exclusively used for the preparation of the beverage. The sustainability of coffee production can be achieved introducing new applications for the valorization of coffee by-products. Coffee silverskin is the by-product generated during roasting, and because of its powerful antioxidant capacity, coffee silverskin aqueous extract (CSE) may be used for other applications, such as antiaging cosmetics and dermaceutics. This study aims to contribute to the coffee sector’s sustainability through the application of CSE to preserve skin health. Preclinical data regarding the antiaging properties of CSE employing human keratinocytes and Caenorhabditis elegans are collected during the present study. Accelerated aging was induced by tert-butyl hydroperoxide (t-BOOH) in HaCaT cells and by ultraviolet radiation C (UVC) in C. elegans. Results suggest that the tested concentrations of coffee extracts were not cytotoxic, and CSE 1 mg/mL gave resistance to skin cells when oxidative damage was induced by t-BOOH. On the other hand, nematodes treated with CSE (1 mg/mL) showed a significant increased longevity compared to those cultured on a standard diet. In conclusion, our results support the antiaging properties of the CSE and its great potential for improving skin health due to its antioxidant character associated with phenols among other bioactive compounds present in the botanical material.
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Mercurio D, Wagemaker T, Alves V, Benevenuto C, Gaspar L, Maia Campos P. In vivo photoprotective effects of cosmetic formulations containing UV filters, vitamins, Ginkgo biloba and red algae extracts. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY B-BIOLOGY 2015; 153:121-6. [DOI: 10.1016/j.jphotobiol.2015.09.016] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/24/2015] [Revised: 07/04/2015] [Accepted: 09/14/2015] [Indexed: 12/11/2022]
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Ma H, Yu M, Lei M, Tan F, Li N. A novel topical targeting system of caffeine microemulsion for inhibiting UVB-induced skin tumor: characterization, optimization, and evaluation. AAPS PharmSciTech 2015; 16:905-13. [PMID: 25591953 DOI: 10.1208/s12249-014-0278-5] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2014] [Accepted: 12/18/2014] [Indexed: 11/30/2022] Open
Abstract
The purpose of the present study was to develop an optimal microemulsion (ME) formulation as topical nanocarrier of caffeine (CAF) to enhance CAF skin retention and subsequently improve its therapeutic effect on UVB-induced skin carcinogenesis. The pseudo-ternary phase diagram was developed composing of Labrafil M 1944 CS as oil phase, Cremophor EL as surfactant, tetraglycol as cosurfactant, and water. Four ME formulations at water content of 50, 60, 70, and 80% were prepared along the water dilution line of oil to surfactant ratio of 1:3 and characterized in terms of morphology, droplet size, and electric conductivity. A gel at the same drug loads (1%, w/w) was used as control. Ex vivo skin permeation studies were conducted for ME optimization. The optimized formulation (ME4) was composed of 5% (w/w) Labrafil M 1944 CS, 15% (w/w) Smix (2/1, Cremophor EL and tetraglycol), and 80% (w/w) aqueous phase. The skin location amount of CAF from ME4 was nearly 3-fold higher than control (P < 0.05) with improved permeated amount through the skin. The skin targeting localization of hydrophilic substance from ME4 was further visualized through fluorescent-labeled ME by a confocal laser scanning microscope. In pharmacodynamics studies, CAF-loaded ME4 was superior in terms of increasing apoptotic sunburn cells (P < 0.05) as compared with control. Overall results suggested that the ME4 might be a promising vehicle for the topical delivery of CAF.
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Botelho A, Reis A, Ocarino N, Serakides R. Efeitos da ingestão de cafeína durante a gestação e a lactação sobre a pele de ratas e de filhotes e sua relação com as concentrações séricas do cortisol materno. ARQ BRAS MED VET ZOO 2015. [DOI: 10.1590/1678-4162-7151] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
O objetivo deste trabalho foi verificar os efeitos da ingestão materna de diferentes doses de cafeína durante a gestação e a lactação, na pele de ratas-mães e filhotes, bem como sua relação com as concentrações séricas do cortisol materno. Vinte e quatro ratas Wistar adultas foram distribuídas em quatro grupos, representados pelo controle e tratados, com cafeína nas doses de 25, 50 e 100mg/kg. Os grupos tratados receberam cafeína por sonda orogástrica durante toda a gestação e a lactação. O controle recebeu água destilada como placebo. Foram avaliados e quantificados os diferentes tipos de folículos pilosos e a espessura da epiderme. A técnica de imuno-histoquímica, com o uso do anticorpo anti-CDC47, foi utilizada para avaliar a proliferação celular da epiderme e dos folículos pilosos das mães. Na mãe, também foram mensurados os níveis séricos de cortisol pela técnica da quimioluminescência. Os dados foram submetidos à análise de variância com comparação das médias pelos testes Kruskal-Wallis e SNK. Nos grupos tratados com cafeína nas doses de 25 e 50mg/kg, tanto as mães quanto seus filhotes apresentaram hipotricose e/ou alopecia focal. Apesar de a frequência de alterações macroscópicas das mães ter sido superior a dos filhotes, nestes as lesões, quando presentes, foram difusas. A análise histológica demonstrou calcinose de folículos pilosos nas mães e nos filhotes. Mas a morfometria somente revelou diferença significativa no número de folículos pilosos das mães, bem como redução significativa da proliferação celular dos folículos pilosos do grupo tratado com 50mg/kg de cafeína. Os níveis de cortisol materno somente foram significativamente elevados no grupo tratado com 100mg/kg de cafeína. Conclui-se que a cafeína ingerida pelas ratas gestantes e lactantes pode causar lesões cutâneas tanto nas mães quanto nos filhotes, caracterizadas por hipotricose e/ou alopecia, independentemente dos níveis séricos do cortisol materno.
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Puglia C, Offerta A, Tirendi GG, Tarico MS, Curreri S, Bonina F, Perrotta RE. Design of solid lipid nanoparticles for caffeine topical administration. Drug Deliv 2014; 23:36-40. [DOI: 10.3109/10717544.2014.903011] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- Carmelo Puglia
- Department of Drug Sciences, University of Catania, Catania, Italy and
| | - Alessia Offerta
- Department of Drug Sciences, University of Catania, Catania, Italy and
| | | | - Maria Stella Tarico
- Azienda Ospedaliera per l’Emergenza “Cannizzaro”, Dipartimento di Specialità Medico Chirurgiche – Sezione di Chirurgia Plastica, Catania, Italy
| | - Sergio Curreri
- Azienda Ospedaliera per l’Emergenza “Cannizzaro”, Dipartimento di Specialità Medico Chirurgiche – Sezione di Chirurgia Plastica, Catania, Italy
| | - Francesco Bonina
- Department of Drug Sciences, University of Catania, Catania, Italy and
| | - Rosario Emanuele Perrotta
- Azienda Ospedaliera per l’Emergenza “Cannizzaro”, Dipartimento di Specialità Medico Chirurgiche – Sezione di Chirurgia Plastica, Catania, Italy
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17
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Song F, Qureshi AA, Han J. Increased caffeine intake is associated with reduced risk of basal cell carcinoma of the skin. Cancer Res 2012; 72:3282-9. [PMID: 22752299 DOI: 10.1158/0008-5472.can-11-3511] [Citation(s) in RCA: 66] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Studies in animals suggest that caffeine administration helps prevent squamous cell skin cancer development, but there have been limited epidemiologic studies on the association between caffeine consumption and skin cancer risk. Using data from the Nurses' Health Study and the Health Professionals Follow-up Study, we prospectively examined risks of basal cell carcinoma (BCC, 22,786 cases), squamous cell carcinoma (SCC, 1,953 cases), and melanoma (741 cases) in relation to caffeine intake. Cox proportional hazard models were used to calculate relative risks (RR) and 95% confidence intervals (CI). The amount of caffeine intake from all dietary sources was inversely associated with BCC risk. Compared with the lowest quintile, the highest quintile had the lowest risk (RR, 0.82 in women; 95% CI:,0.77-0.86 and RR, 0.87 in men; 95% CI, 0.81-0.94; Ptrend<0.0001 in both). A significant inverse association was also found between caffeinated coffee consumption and BCC risk. Compared with individuals who consumed caffeinated coffee less than 1 cup per month, women who consumed more than 3 cups/d had the lowest risk (RR, 0.79; 95% CI, 0.74-0.85; Ptrend<0.0001) and the RR for men was 0.90 (95% CI, 0.80-1.01; Ptrend=0.003). Caffeine from other dietary sources (tea, cola, and chocolate) was also inversely associated with BCC risk. Decaffeinated coffee consumption was not associated with a similar decrease in BCC risk. In contrast, caffeine intake was not found to be inversely associated with risks of SCC or melanoma. Our findings argue that caffeine intake in men and women is inversely associated with risk of BCC.
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Affiliation(s)
- Fengju Song
- Department of Dermatology, Channing Laboratory, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts 02115, USA
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18
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Protection from UV-induced skin carcinogenesis by genetic inhibition of the ataxia telangiectasia and Rad3-related (ATR) kinase. Proc Natl Acad Sci U S A 2011; 108:13716-21. [PMID: 21844338 DOI: 10.1073/pnas.1111378108] [Citation(s) in RCA: 44] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023] Open
Abstract
Multiple human epidemiologic studies link caffeinated (but not decaffeinated) beverage intake with significant decreases in several types of cancer, including highly prevalent UV-associated skin carcinomas. The mechanism by which caffeine protects against skin cancer is unknown. Ataxia telangiectasia and Rad3-related (ATR) is a replication checkpoint kinase activated by DNA stresses and is one of several targets of caffeine. Suppression of ATR, or its downstream target checkpoint kinase 1 (Chk1), selectively sensitizes DNA-damaged and malignant cells to apoptosis. Agents that target this pathway are currently in clinical trials. Conversely, inhibition of other DNA damage response pathways, such as ataxia telangiectasia mutated (ATM) and BRCA1, promotes cancer. To determine the effect of replication checkpoint inhibition on carcinogenesis, we generated transgenic mice with diminished ATR function in skin and crossed them into a UV-sensitive background, Xpc(-/-). Unlike caffeine, this genetic approach was selective and had no effect on ATM activation. These transgenic mice were viable and showed no histological abnormalities in skin. Primary keratinocytes from these mice had diminished UV-induced Chk1 phosphorylation and twofold augmentation of apoptosis after UV exposure (P = 0.006). With chronic UV treatment, transgenic mice remained tumor-free for significantly longer (P = 0.003) and had 69% fewer tumors at the end of observation of the full cohort (P = 0.019), compared with littermate controls with the same genetic background. This study suggests that inhibition of replication checkpoint function can suppress skin carcinogenesis and supports ATR inhibition as the relevant mechanism for the protective effect of caffeinated beverage intake in human epidemiologic studies.
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19
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Belo SED, Gaspar LR, Campos PMBGM. Photoprotective Effects of Topical Formulations Containing a Combination of Ginkgo biloba and Green Tea Extracts. Phytother Res 2011; 25:1854-60. [DOI: 10.1002/ptr.3507] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2010] [Revised: 02/12/2011] [Accepted: 03/22/2011] [Indexed: 11/07/2022]
Affiliation(s)
- Susi Elaine Dal Belo
- Universidade de São Paulo, Faculdade de Ciências Farmacêuticas de Ribeirão Preto; Department of Pharmaceutical Sciences; Av. do Café s/n; Ribeirão Preto; Brazil
| | - Lorena Rigo Gaspar
- Universidade de São Paulo, Faculdade de Ciências Farmacêuticas de Ribeirão Preto; Department of Pharmaceutical Sciences; Av. do Café s/n; Ribeirão Preto; Brazil
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20
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Papazoglou E, Sunkari C, Neidrauer M, Klement JF, Uitto J. Noninvasive assessment of UV-induced skin damage: comparison of optical measurements to histology and MMP expression. Photochem Photobiol 2009; 86:138-45. [PMID: 19906094 DOI: 10.1111/j.1751-1097.2009.00634.x] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
Acute exposure to UV radiation (UVR) causes visible skin damage such as erythema and results in local and systemic immunosuppression while chronic exposure can result in photocarcinogenesis. These deleterious effects can be quantified by histology and by bioassays of key biological markers, including matrix metalloproteinases (MMPs), or tryptophan moieties. We now report our results in quantifying UV skin damage with noninvasive optical methods based on reflectance and fluorescence spectroscopy and compare these noninvasive measurements to histopathology and MMP-13 expression. A solar simulator with spectral output nearly identical to that of solar radiation was developed and used in our experiments. SKH1 hairless mice were exposed to solar-simulated UVR at a total dose of 21 MED delivered over 10 weeks. Changes in oxygenated and deoxygenated hemoglobin were measured by diffuse reflectance spectroscopy, and tryptophan changes were monitored via a fluorescence monitor. Our results show that there is an increase in erythema, skin fluorescence, sunburn cells and MMP-13 after a series of suberythemal doses of UV irradiation on a hairless mouse animal model. Increased skin fluorescence is observed with increasing UV exposure. The levels of MMP-13 increase as the cumulative UV dose increases but their increase does not correspond to noninvasively measured changes.
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Affiliation(s)
- Elisabeth Papazoglou
- School of Biomedical Engineering, Science and Health Systems, Drexel University, Philadelphia, PA, USA.
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21
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Wang YH, Wen CC, Yang ZS, Cheng CC, Tsai JN, Ku CC, Wu HJ, Chen YH. Development of a whole-organism model to screen new compounds for sun protection. MARINE BIOTECHNOLOGY (NEW YORK, N.Y.) 2009; 11:419-429. [PMID: 19005726 DOI: 10.1007/s10126-008-9159-9] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/17/2008] [Accepted: 10/22/2008] [Indexed: 05/27/2023]
Abstract
We used zebrafish as a whole-organism model to screen new compounds for sun protection activity. First of all, we designed a series of UVB exposure experiments and recorded the phenotypic changes of zebrafish embryos. Results showed that 100 mJ/cm(2) of UVB given six times separated by 30 min intervals is the best condition. Fin malformation (reduced and/or absent fin) phenotypes are the most evident consequences after exposure to UVB. Each fin was affected by UVB, including pelvic, ventral, caudal, and dorsal fin, but pelvic fin seemed to be the most sensitive target after UVB exposure. We furthermore carried out "prevention" and "treatment" experiments using green tea extract and/or (-)-epigallocatechin (EGCG) to test this whole-organism model by observing the morphological changes of all fins (especially pelvic fin) after UVB exposure. Effects of UVB, green tea extract and EGCG on fin development were assessed using the Kaplan-Meier analysis, log-rank test and Cox proportional hazards regression. Results showed that a zebrafish pelvic fin in the UVB + green tea (treatment) group is 5.51 (range from 2.39 to 14.90) times, one in the UVB + green tea (prevention) group is 7.04 (range from 3.11 to 18.92) times, and one in the 25 ppm of EGCG (prevention) group is 22.19 (range from 9.40 to 61.50) times more likely to return to normal fin than one in the UVB only group. On the basis of these observations, we believe this model is effective for screening the higher stability and lower toxicity of new compounds, such as small chemicals which are derivative from EGCG or other dietary agents for sun protection.
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Affiliation(s)
- Yun-Hsin Wang
- Department of Research, Sun Yat-Sen Cancer Center, Taipei, Taiwan
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22
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Heffernan TP, Kawasumi M, Blasina A, Anderes K, Conney AH, Nghiem P. ATR-Chk1 pathway inhibition promotes apoptosis after UV treatment in primary human keratinocytes: potential basis for the UV protective effects of caffeine. J Invest Dermatol 2009; 129:1805-15. [PMID: 19242509 DOI: 10.1038/jid.2008.435] [Citation(s) in RCA: 60] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
New approaches to prevent and reverse UV damage are needed to combat rising sunlight-induced skin cancer rates. Mouse studies have shown that oral or topical caffeine promotes elimination of UV-damaged keratinocytes through apoptosis and markedly inhibits subsequent skin cancer development. This potentially important therapeutic effect has not been studied in human skin cells. Here, we use primary human keratinocytes to examine which of several caffeine effects mediates this process. In these cells, caffeine more than doubled apoptosis after 75 mJ cm(-2) of ultraviolet light B (UVB). Selectively targeting two of caffeine's known effects did not alter UVB-induced apoptosis: inhibition of ataxia-telangiectasia mutated and augmentation of cyclic AMP levels. In contrast, siRNA against ataxia-telangiectasia and Rad3-related (ATR) doubled apoptosis after UV through a p53-independent mechanism. Caffeine did not further augment apoptosis after UVB in cells in which ATR had been specifically depleted, suggesting that a key target of caffeine in this effect is ATR. Inhibition of a central ATR target, checkpoint kinase 1 (Chk1), through siRNA or a new and highly specific inhibitor (PF610666) also augmented UVB-induced apoptosis. These data suggest that a relevant target of caffeine is the ATR-Chk1 pathway and that inhibiting ATR or Chk1 might have promise in preventing or reversing UV damage.
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Affiliation(s)
- Timothy P Heffernan
- Cutaneous Biology Research Center, Massachusetts General Hospital, Harvard Medical School, Charlestown, Massachusetts, USA
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23
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Abu-Yousif AO, Smith KA, Getsios S, Green KJ, Van Dross RT, Pelling JC. Enhancement of UVB-Induced Apoptosis by Apigenin in Human Keratinocytes and Organotypic Keratinocyte Cultures. Cancer Res 2008; 68:3057-65. [DOI: 10.1158/0008-5472.can-07-2763] [Citation(s) in RCA: 41] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Abstract
Complementary and alternative medicine (CAM) has become increasingly popular in the United States during the last 10-15 years. The use of oral and topical supplements falls within this framework. Most oral and topical supplements are based on or include several botanical ingredients, many of which have long histories of traditional or folk medicine usage. Several of the available products derived from botanical sources are touted for their dermatologic benefits. The focus in this discussion will be on a select group of botanical compounds that have been used for dermatologic purposes or show promise for such applications, including: rosemary, polypodium leucotomos, propolis, oatmeal, olive oil, grape seed extract, lavender, mushrooms, and coffeeberry. Other more commonly used products of botanical origin, such as arnica, bromelain, caffeine, chamomile, ferulic acid, feverfew, green tea, licorice, pomegranate, and resveratrol, are also briefly considered.
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Affiliation(s)
- Leslie S Baumann
- Division of Cosmetic Dermatology, University of Miami School of Medicine, Miami, Florida 33125, USA.
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25
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Caffeine inhibits UV-mediated NF-κB activation in A2058 melanoma cells: an ATM-PKCδ-p38 MAPK-dependent mechanism. Mol Cell Biochem 2007; 308:193-200. [DOI: 10.1007/s11010-007-9628-x] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2007] [Accepted: 10/03/2007] [Indexed: 10/22/2022]
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