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Abdelrahman N, Drescher S, Ann Dailey L, Klang V. Investigation of keratolytic impact of synthetic bolalipids on skin penetration of a model hydrophilic permeant. Eur J Pharm Biopharm 2024; 203:114433. [PMID: 39098617 DOI: 10.1016/j.ejpb.2024.114433] [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: 01/04/2024] [Revised: 04/26/2024] [Accepted: 08/01/2024] [Indexed: 08/06/2024]
Abstract
Synthetic single-chain bolalipids (SSCBs) are novel excipients in drug delivery, with potential as stabilizers or solubilizers. However, their impact on skin barrier function has not been comprehensively studied. Therefore, two SSCBs (PC-C24-PC and PC-C32-PC) were studied in aqueous systems for their impact on penetration of a model permeant into porcine skin. Concentrations of 0.05 - 5 % w/w were tested; PC-C24-PC formulations were low-viscosity liquids while PC-C32-PC formed viscous dispersions to gels at room temperature. Formulations were compared for their ability to enhance sodium fluorescein penetration (SF, 0.1 % w/w) into skin via tape stripping. Using NIR-densitometry, the effect of SSCB formulations on corneocyte cohesion was evaluated. Data were compared with phospholipid mixture Lipoid S-75, sodium dodecyl sulfate (SDS), and polyethylene glycol 12-hydroxystearate (PEG-HS), and distilled water as negative control. Contrary to the hypothesis, both SSCBs failed to increase SF penetration into the stratum corneum, but rather showed a significant decrease in penetration depth compared to water. Both SSCBs exhibited a keratolytic effect at 5 % w/w, leading to substantial removal of proteins from the skin surface. Consequently, SSCBs may not enhance penetration of hydrophilic drugs into skin, but could be used as keratolytic agents.
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Affiliation(s)
- Namarig Abdelrahman
- University of Vienna, Doctoral School of Pharmaceutical, Nutritional and Sport Sciences, 1090, Vienna, Austria
| | - Simon Drescher
- Phospholipid Research Center, Im Neuenheimer Feld 515, 69120, Heidelberg, Germany
| | - Lea Ann Dailey
- University of Vienna, Department of Pharmaceutical Sciences, Division of Pharmaceutical Technology, Josef-Holaubek-Platz 2, 1090, Vienna, Austria.
| | - Victoria Klang
- University of Vienna, Department of Pharmaceutical Sciences, Division of Pharmaceutical Technology, Josef-Holaubek-Platz 2, 1090, Vienna, Austria.
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2
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Roberts MS, Zhang Q, Mackenzie L, Medley GA. Quantitative structure permeability relationships for phenolic compounds applied to human epidermal membranes in various solvents. Eur J Pharm Sci 2024:106914. [PMID: 39299466 DOI: 10.1016/j.ejps.2024.106914] [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: 06/11/2024] [Revised: 09/13/2024] [Accepted: 09/14/2024] [Indexed: 09/22/2024]
Abstract
PURPOSE This study examined how solvent-skin-solute interactions influenced the human epidermal permeation of three similar-sized phenolic compounds applied in a series of different solvents. METHODS Human epidermal permeation fluxes and lag times of three phenolic compounds were assessed in Franz cells for a range of solvents varying in molecular size and solubility parameters. In order to develop a mechanistic understanding of the determinants of the permeation findings, the solubility of the compounds in solvents and stratum corneum, the extent of solvent uptake by the stratum corneum and the impact of the solvents on skin hydration and transepidermal water loss were also measured. RESULTS Maximum epidermal fluxes and lag times varied greatly with the various solvent used. Markedly enhanced epidermal permeability fluxes, prolonged lag times and reduced diffusivities of the compounds were evident for many of the solvents. A solvent induced increase in stratum corneum solubility was associated with the uptake of solvent containing dissolved compound. This uptake was dependent on both the solvent molecular size and the solubility of the compounds in the solvents. The imbibed solvent acted as a reservoir in the skin, facilitating uptake and an increased thermodynamic activity that enhanced flux but, at the same time, inhibiting diffusion and prolonging lag time. CONCLUSION The solubility, permeation and lag times of compounds in the stratum corneum can be modulated by solvent uptake. Whilst a solvent -induced stratum corneum reservoir effect for a compound may prolong its lag time for a compound before steady state permeation is reached, it does not affect its overall steady state transport defined by diffusion of its free form.
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Affiliation(s)
- Michael S Roberts
- Clinical and Health Sciences, University of South Australia, Adelaide, Australia; Therapeutics Research Centre, Frazer Institute, University of Queensland, Brisbane, Australia.
| | - Qian Zhang
- Clinical and Health Sciences, University of South Australia, Adelaide, Australia; Current address: Acrux DDS Pty Ltd, Melbourne, Victoria, Australia
| | - Lorraine Mackenzie
- Clinical and Health Sciences, University of South Australia, Adelaide, Australia
| | - Gregory A Medley
- Therapeutics Research Centre, Frazer Institute, University of Queensland, Brisbane, Australia
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3
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Balmanno A, Falconer JR, Ravuri HG, Mills PC. Strategies to Improve the Transdermal Delivery of Poorly Water-Soluble Non-Steroidal Anti-Inflammatory Drugs. Pharmaceutics 2024; 16:675. [PMID: 38794337 PMCID: PMC11124993 DOI: 10.3390/pharmaceutics16050675] [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: 04/19/2024] [Revised: 05/07/2024] [Accepted: 05/15/2024] [Indexed: 05/26/2024] Open
Abstract
The transdermal delivery of non-steroidal anti-inflammatory drugs (NSAIDs) has the potential to overcome some of the major disadvantages relating to oral NSAID usage, such as gastrointestinal adverse events and compliance. However, the poor solubility of many of the newer NSAIDs creates challenges in incorporating the drugs into formulations suitable for application to skin and may limit transdermal permeation, particularly if the goal is therapeutic systemic drug concentrations. This review is an overview of the various strategies used to increase the solubility of poorly soluble NSAIDs and enhance their permeation through skin, such as the modification of the vehicle, the modification of or bypassing the barrier function of the skin, and using advanced nano-sized formulations. Furthermore, the simple yet highly versatile microemulsion system has been found to be a cost-effective and highly successful technology to deliver poorly water-soluble NSAIDs.
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Affiliation(s)
- Alexandra Balmanno
- School of Veterinary Science, The University of Queensland, Gatton Campus, Gatton, QLD 4343, Australia;
| | - James R. Falconer
- School of Pharmacy, The University of Queensland, Dutton Park Campus, Woolloongabba, QLD 4102, Australia;
| | - Halley G. Ravuri
- School of Biomedical Sciences, The University of Queensland, St Lucia, QLD 4072, Australia;
| | - Paul C. Mills
- School of Veterinary Science, The University of Queensland, Gatton Campus, Gatton, QLD 4343, Australia;
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Atef B, Ishak RAH, Badawy SS, Osman R. 10-Hydroxy Decanoic Acid-Based Vesicles as a Novel Topical Delivery System: Would It Be a Better Platform Than Conventional Oleic Acid Ufasomes for Skin Cancer Treatment? Pharmaceutics 2023; 15:pharmaceutics15051461. [PMID: 37242703 DOI: 10.3390/pharmaceutics15051461] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Revised: 03/11/2023] [Accepted: 05/08/2023] [Indexed: 05/28/2023] Open
Abstract
10-hydroxy decanoic acid (HDA), a naturally derived fatty acid, was used for the preparation of novel fatty acid vesicles for comparison with oleic acid (OA) ufasomes. The vesicles were loaded with magnolol (Mag), a potential natural drug for skin cancer. Different formulations were prepared using the thin film hydration method and were statistically evaluated according to a Box-Behnken design in terms of particle size (PS), polydispersity index (PDI), zeta potential (ZP), and entrapment efficiency (EE). The ex vivo skin permeation and deposition were assessed for Mag skin delivery. In vivo, an assessment of the optimized formulae using 7,12-dimethylbenz[a]anthracene (DMBA)-induced skin cancer in mice was also conducted. The PS and ZP of the optimized OA vesicles were 358.9 ± 3.2 nm and -82.50 ± 7.13 mV compared to 191.9 ± 6.28 nm and -59.60 ± 3.07 mV for HDA vesicles, respectively. The EE was high (>78%) for both types of vesicles. Ex vivo permeation studies revealed enhanced Mag permeation from all optimized formulations compared to a drug suspension. Skin deposition demonstrated that HDA-based vesicles provided the highest drug retention. In vivo, studies confirmed the superiority of HDA-based formulations in attenuating DMBA-induced skin cancer during treatment and prophylactic studies.
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Affiliation(s)
- Bassant Atef
- Department of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmacy, Ain Shams University, Abbassia, Cairo 11566, Egypt
- Department of Pharmaceutical Technology, Faculty of Pharmacy, Misr International University, Cairo 12585, Egypt
| | - Rania A H Ishak
- Department of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmacy, Ain Shams University, Abbassia, Cairo 11566, Egypt
| | - Sabry S Badawy
- Department of Pharmaceutical Technology, Faculty of Pharmacy, Misr International University, Cairo 12585, Egypt
| | - Rihab Osman
- Department of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmacy, Ain Shams University, Abbassia, Cairo 11566, Egypt
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5
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Gitea MA, Bungau SG, Gitea D, Pasca BM, Purza AL, Radu AF. Evaluation of the Phytochemistry-Therapeutic Activity Relationship for Grape Seeds Oil. Life (Basel) 2023; 13:178. [PMID: 36676127 PMCID: PMC9864701 DOI: 10.3390/life13010178] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2022] [Revised: 01/04/2023] [Accepted: 01/04/2023] [Indexed: 01/11/2023] Open
Abstract
Seeds' abundant biologically active compounds make them a suitable primary platform for the production of natural extracts, innovative foods, medicines, and cosmetics. High levels of industrial and agricultural residues and byproducts are generated during the processing of grapes, although some parts can also be repurposed. This paper examines the phytochemical composition, manufacturing processes, and health-improving attributes of many varieties of grape oil derived using various extraction methods. Since the results are influenced by a range of factors, they are expressed differently among studies, and the researchers employ a variety of measuring units, making it difficult to convey the results. The primary topics covered in most papers are grape seed oil's lipophilic fatty acids, tocopherols, and phytosterols. In addition, new methods for extracting grape seed oil should therefore be designed; these methods must be affordable, energy-efficient, and environmentally friendly in order to increase the oil's quality by extracting bioactive components and thereby increasing its biological activity in order to become part of the overall management of multiple diseases.
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Affiliation(s)
- Manuel Alexandru Gitea
- Department of Agriculture, Horticulture, Faculty of Environmental Protection, University of Oradea, 410048 Oradea, Romania
| | - Simona Gabriela Bungau
- Department of Pharmacy, Faculty of Medicine and Pharmacy, University of Oradea, 410028 Oradea, Romania
- Doctoral School of Biomedical Sciences, University of Oradea, 410087 Oradea, Romania
| | - Daniela Gitea
- Department of Pharmacy, Faculty of Medicine and Pharmacy, University of Oradea, 410028 Oradea, Romania
| | - Bianca Manuela Pasca
- Department of Pharmacy, Faculty of Medicine and Pharmacy, University of Oradea, 410028 Oradea, Romania
| | - Anamaria Lavinia Purza
- Department of Pharmacy, Faculty of Medicine and Pharmacy, University of Oradea, 410028 Oradea, Romania
| | - Andrei-Flavius Radu
- Doctoral School of Biomedical Sciences, University of Oradea, 410087 Oradea, Romania
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6
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Penetration study of p-methoxycinnamic acid (PMCA) in nanostructured lipid carrier, solid lipid nanoparticles, and simple cream into the rat skin. Sci Rep 2022; 12:19365. [PMID: 36371457 PMCID: PMC9653389 DOI: 10.1038/s41598-022-23514-0] [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: 08/01/2022] [Accepted: 11/01/2022] [Indexed: 11/13/2022] Open
Abstract
This study compared the ability of Nanostructured Lipid Carrier (NLC), Solid Lipid Nanoparticles (SLN), and Cream systems in delivering para Methoxycinnamic Acid (PMCA) to the dermis layer of the skin. Wistar rats were used as research subjects. NLC and SLN were made by applying the high shear homogenization method. Nile red was used as a penetration indicator based on its fluorescence. The interaction between fluorescence labeled NLC, SLN, or Cream and rat skin was visualized by fluorescence microscopy. Observations were made after 2 and 4.5 h of smearing the test sample. From the observations, it was known that the system/lipid base could penetrate the stratum corneum for delivering drugs. Penetration speed differs among systems as does the number of PMCAs that can be delivered. In this study, it can be concluded that the NLC system is able to deliver PMCA more quickly and in greater quantities to the dermis than SLN and Cream.
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7
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Poljšak N, Kočevar Glavač N. Vegetable Butters and Oils as Therapeutically and Cosmetically Active Ingredients for Dermal Use: A Review of Clinical Studies. Front Pharmacol 2022; 13:868461. [PMID: 35548366 PMCID: PMC9083541 DOI: 10.3389/fphar.2022.868461] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2022] [Accepted: 03/21/2022] [Indexed: 11/13/2022] Open
Abstract
While the chemical composition of vegetable butters and oils has been studied in detail, there is limited knowledge about their mechanisms of action after application on the skin. To understand their dermal effects better, 27 clinical studies evaluating 17 vegetable oils (almond, argan, avocado, borage, coconut, evening primrose, kukui, marula, mustard, neem, olive, rapeseed, sacha inchi, safflower, shea butter, soybean and sunflower oils) were reviewed in this research. The reviewed studies focused on non-affected skin, infant skin, psoriasis, xerosis, UVB-induced erythema, atopic dermatitis, molluscum contagiosum, tungiasis, scars, striae and striae gravidarum. We conclude that in inflammation-affected skin, vegetable oils with a high content of oleic acid, together with the lack of or a low linoleic acid content, may cause additional structural damage of the stratum corneum, while oils high in linoleic acid and saturated fatty acids may express positive effects. Non-affected skin, in contrast, may not react negatively to oils high in oleic acid. However, the frequency and duration of an oil's use must be considered an important factor that may accelerate or enhance the negative effects on the skin's structural integrity.
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Affiliation(s)
- Nina Poljšak
- Department of Pharmaceutical Biology, Faculty of Pharmacy, University of Ljubljana, Ljubljana, Slovenia
| | - Nina Kočevar Glavač
- Department of Pharmaceutical Biology, Faculty of Pharmacy, University of Ljubljana, Ljubljana, Slovenia
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8
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Atef B, Ishak RA, Badawy SS, Osman R. Exploring the potential of oleic acid in nanotechnology-mediated dermal drug delivery: An up-to-date review. J Drug Deliv Sci Technol 2022. [DOI: 10.1016/j.jddst.2021.103032] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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9
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Quan P, Jiao B, Shang R, Liu C, Fang L. Alternative therapy of rheumatoid arthritis with a novel transdermal patch containing Siegesbeckiae Herba extract. JOURNAL OF ETHNOPHARMACOLOGY 2021; 265:113294. [PMID: 32841693 DOI: 10.1016/j.jep.2020.113294] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/14/2020] [Revised: 07/31/2020] [Accepted: 08/13/2020] [Indexed: 06/11/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Siegesbeckiae Herba (SiH) is a traditional anti-rheumatic herbal medicine in China. A SiH derived product, Phynova Joint and Muscle Relief Tablets™, has been granted the UK license in 2015. Although transdermal delivery provides better patient compliance and relative constant plasma drug concentration, the feasibility of transdermal delivery of SiH was not clear. AIM OF THE STUDY The aim of the present study was to develop a novel transdermal patch containing SiH extract for alternative therapy of rheumatoid arthritis. MATERIALS AND METHODS SiH extract containing 48.5% (w/w) of kirenol was prepared from Siegesbeckia pubescens Makino. Then transdermal patches containing SiH extract were prepared by the solvent evaporation technique. The formulation of the transdermal patch was optimized based on the in vitro skin permeation experiment. Finally, the anti-inflammatory and analgesic activity of the optimal patch were evaluated by chronic inflammation model induced by complete Freund's adjuvant (CFA) and writhing model induced by acetic acid, separately. RESULTS Oleic acid (OA) showed the maximum permeation enhancement effect with the enhancement ratio (ER) values of 3.32. Therefore, OA was used as a permeation enhancer in the transdermal patch. The optimal formulation consisted of SiH extract (10% of the matrix, w/w), OA (10% of the matrix, w/w), DURO-TAK® 87-2287 (pressure sensitive adhesive matrix) and Scotchpak™ 9701 (backing layer). The optimal transdermal patch containing SiH extract significantly reduced the degree of paw swelling and number of writhing in inflammation model and writhing model, respectively. CONCLUSIONS The developed transdermal patch containing Siegesbeckiae Herba extract showed good anti-inflammatory and analgesic effects, which demonstrated a great potential for alternative therapy of rheumatoid arthritis.
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Affiliation(s)
- Peng Quan
- Department of Pharmaceutical Sciences, School of Pharmacy, Shenyang Pharmaceutical University, No. 103 Wenhua Road, Shenyang, 110016, China
| | - Baixin Jiao
- Department of Pharmaceutical Sciences, School of Pharmacy, Shenyang Pharmaceutical University, No. 103 Wenhua Road, Shenyang, 110016, China
| | - Rui Shang
- Department of Pharmaceutical Sciences, School of Pharmacy, Shenyang Pharmaceutical University, No. 103 Wenhua Road, Shenyang, 110016, China
| | - Chao Liu
- Department of Pharmaceutical Sciences, School of Pharmacy, Shenyang Pharmaceutical University, No. 103 Wenhua Road, Shenyang, 110016, China
| | - Liang Fang
- Department of Pharmaceutical Sciences, School of Pharmacy, Shenyang Pharmaceutical University, No. 103 Wenhua Road, Shenyang, 110016, China.
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10
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Bakshi P, Vora D, Hemmady K, Banga AK. Iontophoretic skin delivery systems: Success and failures. Int J Pharm 2020; 586:119584. [PMID: 32603836 DOI: 10.1016/j.ijpharm.2020.119584] [Citation(s) in RCA: 45] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2020] [Revised: 06/17/2020] [Accepted: 06/23/2020] [Indexed: 01/05/2023]
Abstract
Iontophoretic transdermal delivery uses a small electric current to push charged molecules into the skin under an electrode of same polarity and offers an attractive option to facilitate the delivery of macromolecules or hydrophilic molecules and to improve patient compliance. This technique has been used in physical therapy clinics for several decades, though the science was not always there to support claims of clinical effectiveness. Recently, this modality of treatment has undergone more systematic and rigorous investigations to withstand the scrutiny of regulatory authorities. In recent years various drugs have gained FDA approval for iontophoretic patches. This technique is gaining recognition due to better compliance rates, non-invasive drug delivery leading to fewer side effects, and sustained release of the drug. Furthermore, programmed delivery and bolus delivery systems have helped with customizing the drug dosage and frequency of dosage based on the patient's need.
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Affiliation(s)
- P Bakshi
- Center for Drug Delivery Research, Department of Pharmaceutical Sciences, College of Pharmacy, Mercer University, Atlanta, GA 30341, United States
| | - D Vora
- Center for Drug Delivery Research, Department of Pharmaceutical Sciences, College of Pharmacy, Mercer University, Atlanta, GA 30341, United States
| | - K Hemmady
- Dermatologist, Frimley Park Hospital NHS Foundation Trust, Frimley, Surrey, United Kingdom
| | - A K Banga
- Center for Drug Delivery Research, Department of Pharmaceutical Sciences, College of Pharmacy, Mercer University, Atlanta, GA 30341, United States.
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11
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Moore EM, Wagner C, Komarnytsky S. The Enigma of Bioactivity and Toxicity of Botanical Oils for Skin Care. Front Pharmacol 2020; 11:785. [PMID: 32547393 PMCID: PMC7272663 DOI: 10.3389/fphar.2020.00785] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2019] [Accepted: 05/12/2020] [Indexed: 12/26/2022] Open
Abstract
Botanical oils have a long history of traditional use and are routinely applied to skin care. The focus of this review is to contrast the functionality of skin oils versus the differential biological and toxicological effects of major plant oils, and to correlate them to their compositional changes. In total, over 70 vegetable oils were clustered according to their lipid composition to promote awareness of health practitioners and botanical product manufacturers for the safety and efficacy of oil-based interventions based on their fatty acid profiles. Since multiple skin disorders result in depletion or disturbance of skin lipids, a tailored mixture of multiple botanical oils to simultaneously maintain natural skin-barrier function, promote repair and regeneration of wounded tissues, and achieve corrective modulation of immune disorders may be required. As bioactive constituents of botanical oils enter the human body by oral or topical application and often accumulate in measurable blood concentrations, there is also a critical need for monitoring their hazardous effects to reduce the possible over-added toxicity and promote maximal normal tissue sparing. The review also provides a useful tool to improve efficacy and functionality of fatty acid profiles in cosmetic applications.
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Affiliation(s)
- Erin M Moore
- Plants for Human Health Institute, North Carolina State University, Kannapolis, NC, United States.,Department of Food, Bioprocessing, and Nutrition Sciences, North Carolina State University, Raleigh, NC, United States.,Department of Biology, Catawba College, Salisbury, NC, United States
| | - Charles Wagner
- Plants for Human Health Institute, North Carolina State University, Kannapolis, NC, United States.,Department of Plant and Microbial Biology, North Carolina State University, Raleigh, NC, United States
| | - Slavko Komarnytsky
- Plants for Human Health Institute, North Carolina State University, Kannapolis, NC, United States.,Department of Food, Bioprocessing, and Nutrition Sciences, North Carolina State University, Raleigh, NC, United States.,Department of Biology, Catawba College, Salisbury, NC, United States.,Department of Plant and Microbial Biology, North Carolina State University, Raleigh, NC, United States
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12
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Poljšak N, Kreft S, Kočevar Glavač N. Vegetable butters and oils in skin wound healing: Scientific evidence for new opportunities in dermatology. Phytother Res 2019; 34:254-269. [PMID: 31657094 DOI: 10.1002/ptr.6524] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2019] [Revised: 08/13/2019] [Accepted: 09/21/2019] [Indexed: 12/13/2022]
Abstract
The use of vegetable butters and oils shows promising results in the treatment of skin wounds, as they have an effective impact on the phases of the wound-healing process through their antimicrobial, anti-inflammatory, and antioxidative activities and by promoting cell proliferation, increasing collagen synthesis, stimulating dermal reconstruction, and repairing the skin's lipid barrier function. In this article, in vitro and in vivo studies of argan (Argania spinosa), avocado (Persea americana), black cumin (Nigella sativa), calophyllum (Calophyllum inophyllum), coconut (Cocos nucifera), cranberry (Vaccinium macrocarpon), grape (Vitis vinifera), green coffee (Coffea arabica), lentisk (Pistacia lentiscus), linseed (Linum usitatissimum), lucuma (Pouteria lucuma), mango (Mangifera indica), olive (Olea europaea), pomegranate (Punica granatum), pumpkin (Cucurbita pepo), rapeseed (Brassica napus), sea buckthorn (Hippophae rhamnoides), and sunflower (Helianthus annuus) oils were reviewed. In many cases, vegetable oils proved to be more effective than synthetic wound-healing compounds used as controls. The fatty-acid components of vegetable oils are assumed to play a major role in the wound-healing process, in particular polyunsaturated fatty acids such as linoleic acid. Evidence shows that oils with a higher linoleic to oleic acid ratio are more effective for lipid barrier repair. However, in depth studies are needed to gain knowledge about vegetable oils' effects on the skin and vice versa.
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Affiliation(s)
- Nina Poljšak
- Faculty of Pharmacy, University of Ljubljana, Ljubljana, Slovenia
| | - Samo Kreft
- Faculty of Pharmacy, University of Ljubljana, Ljubljana, Slovenia
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13
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Li WH, Fassih A, Binner C, Parsa R, Southall MD. Low-level red LED light inhibits hyperkeratinization and inflammation induced by unsaturated fatty acid in anin vitromodel mimicking acne. Lasers Surg Med 2017; 50:158-165. [DOI: 10.1002/lsm.22747] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/24/2017] [Indexed: 12/29/2022]
Affiliation(s)
- Wen-Hwa Li
- The Johnson & Johnson Skin Research Center; Johnson & Johnson Consumer Inc.; Skillman New Jersey
| | - Ali Fassih
- The Johnson & Johnson Skin Research Center; Johnson & Johnson Consumer Inc.; Skillman New Jersey
| | - Curt Binner
- The Johnson & Johnson Skin Research Center; Johnson & Johnson Consumer Inc.; Skillman New Jersey
| | - Ramine Parsa
- The Johnson & Johnson Skin Research Center; Johnson & Johnson Consumer Inc.; Skillman New Jersey
| | - Michael D. Southall
- The Johnson & Johnson Skin Research Center; Johnson & Johnson Consumer Inc.; Skillman New Jersey
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14
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Kwon HS, Lee JH, Kim GM, Choi EH, Bae JM. Topical evening primrose oil as a possible therapeutic alternative in children with molluscum contagiosum. Clin Exp Dermatol 2017; 42:923-925. [PMID: 28940438 DOI: 10.1111/ced.13226] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/10/2017] [Indexed: 11/28/2022]
Affiliation(s)
- H S Kwon
- Department of Dermatology, St. Vincent's Hospital, College of Medicine, The Catholic University of Korea, 93 Jungbu-daero, Paldal-gu, Suwon, 16247, Korea
| | - J H Lee
- Department of Dermatology, St. Vincent's Hospital, College of Medicine, The Catholic University of Korea, 93 Jungbu-daero, Paldal-gu, Suwon, 16247, Korea
| | - G M Kim
- Department of Dermatology, St. Vincent's Hospital, College of Medicine, The Catholic University of Korea, 93 Jungbu-daero, Paldal-gu, Suwon, 16247, Korea
| | - E H Choi
- Department of Dermatology, Yonsei University Wonju College of Medicine, Wonju, Korea
| | - J M Bae
- Department of Dermatology, St. Vincent's Hospital, College of Medicine, The Catholic University of Korea, 93 Jungbu-daero, Paldal-gu, Suwon, 16247, Korea
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15
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Li WH, Zhang Q, Flach CR, Mendelsohn R, Southall MD, Parsa R. In vitro modeling of unsaturated free fatty acid-mediated tissue impairments seen in acne lesions. Arch Dermatol Res 2017; 309:529-540. [DOI: 10.1007/s00403-017-1747-y] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2016] [Revised: 01/24/2017] [Accepted: 05/23/2017] [Indexed: 01/04/2023]
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16
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Alzorqi I, Ketabchi MR, Sudheer S, Manickam S. Optimization of ultrasound induced emulsification on the formulation of palm-olein based nanoemulsions for the incorporation of antioxidant β-D-glucan polysaccharides. ULTRASONICS SONOCHEMISTRY 2016; 31:71-84. [PMID: 26964925 DOI: 10.1016/j.ultsonch.2015.12.004] [Citation(s) in RCA: 47] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/16/2015] [Revised: 12/07/2015] [Accepted: 12/07/2015] [Indexed: 06/05/2023]
Abstract
Polysaccharides of β-D-glucan configuration have well-known antioxidant activity against reactive free radicals generated from the oxidation of metabolic processes. In this study, β-D-glucan-polysaccharides extracted from Ganoderma lucidum were incorporated in palm olein based nanoemulsions which act as carrier systems to enhance the delivery and bioactivity of these polysaccharides and could be potentially useful for skin care applications. Initially response surface statistical design (Central Composite Design--CCD) was subjected to optimize the formulation variables of oil-in-water (O/W) nanoemulsions induced by ultrasound. The optimal formulation variables as predicted by CCD resulted in considerably improving the physical characteristics of ultrasonically formulated nanoemulsions by minimizing their droplet size, polydispersity index and viscosity. Moreover, the β-D-glucan-loaded nanoemulsions exhibited good stability over 90 days under different storage conditions (4 °C and 25 °C). The studies using palm olein based β-D-glucan-loaded nanoemulsion generated using ultrasound confirm higher antioxidant activity as compared to free β-D-glucan.
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Affiliation(s)
- Ibrahim Alzorqi
- Manufacturing and Industrial Processes Research Division, The University of Nottingham Malaysia Campus, Faculty of Engineering, Jalan Broga, 43500 Semenyih, Selangor D.E., Malaysia
| | - Mohammad Reza Ketabchi
- Manufacturing and Industrial Processes Research Division, The University of Nottingham Malaysia Campus, Faculty of Engineering, Jalan Broga, 43500 Semenyih, Selangor D.E., Malaysia
| | - Surya Sudheer
- Manufacturing and Industrial Processes Research Division, The University of Nottingham Malaysia Campus, Faculty of Engineering, Jalan Broga, 43500 Semenyih, Selangor D.E., Malaysia
| | - Sivakumar Manickam
- Manufacturing and Industrial Processes Research Division, The University of Nottingham Malaysia Campus, Faculty of Engineering, Jalan Broga, 43500 Semenyih, Selangor D.E., Malaysia.
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Guo JW, Lin TK, Wu CH, Wei KC, Lan CCE, Peng ACY, Tsai JC, Sheu HM. Human sebum extract induces barrier disruption and cytokine expression in murine epidermis. J Dermatol Sci 2015; 78:34-43. [PMID: 25680851 DOI: 10.1016/j.jdermsci.2015.01.010] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2014] [Revised: 12/19/2014] [Accepted: 01/19/2015] [Indexed: 01/20/2023]
Abstract
BACKGROUND Previous studies have shown that human sebum may play a role in barrier function but with much debate. OBJECTIVE To elucidate the effects of human sebum on skin barrier function. METHODS We used hairless mouse skin to study the functional and morphological alternation of epidermis after the application of human sebum. RESULTS The results showed a significant increase in transepidermal water loss and erythema value, and a decrease in skin hydration, accompanied by epidermal hyperplasia with parakeratosis following sebum application. Nile red staining together with electron microscopic examination confirmed the underlying mechanisms for sebum-induced barrier disruption are related directly to the interaction of sebum with the intracellular lipid lamellae of the SC, thereby leading to the increase in the fluidity of SC intracellular lipids as demonstrated by ATR-FTIR measurement. An inflammatory reaction characterized by an enhanced cytokine cascade, including up-regulation of TNF-α, IL-1α and IL-6, was also observed. On the other hand, there were insignificant expression of thymic stromal lymphopoietin and unchanged serum levels of IgE, suggesting non-immunogenic stimulation by sebum treatment. CONCLUSION It may be concluded that inflammation induced by excess amount of sebum is more likely an irritant contact dermatitis rather than an allergic one. Moreover, these findings implicated possible relationships between sebum, irritant contact dermatitis, and seborrheic dermatitis.
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Affiliation(s)
- Jiun-Wen Guo
- Institute of Clinical Pharmacy and Pharmaceutical Sciences, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Tzu-Kai Lin
- Department of Dermatology, National Chung Kung University Hospital, College of Medicine, National Chung Kung University, Tainan, Taiwan; Graduate Institute of Clinical Medicine, College of Medicine, National Chung Kung University, Tainan, Taiwan
| | - Chin-Han Wu
- Department of Dermatology, Kaohsiung Medical University and Hospital, Kaohsiung, Taiwan
| | - Kai-Che Wei
- Department of Dermatology, Kaohsiung Veterans General Hospital, Taiwan
| | - Cheng-Che E Lan
- Department of Dermatology, Kaohsiung Medical University and Hospital, Kaohsiung, Taiwan; Department of Dermatology, Kaohsiung Municipal Ta-Tung Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Amy Chia-Ying Peng
- Department of Dermatology, National Chung Kung University Hospital, College of Medicine, National Chung Kung University, Tainan, Taiwan
| | - Jui-Chen Tsai
- Institute of Clinical Pharmacy and Pharmaceutical Sciences, College of Medicine, National Cheng Kung University, Tainan, Taiwan.
| | - Hamm-Ming Sheu
- Department of Dermatology, National Chung Kung University Hospital, College of Medicine, National Chung Kung University, Tainan, Taiwan; Department of Dermatology, College of Medicine, National Chung Kung University, Tainan, Taiwan.
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Gao XC, Qi HP, Bai JH, Huang L, Cui H. Effects of Oleic Acid on the Corneal Permeability of Compounds and Evaluation of its Ocular Irritation of Rabbit Eyes. Curr Eye Res 2014; 39:1161-8. [DOI: 10.3109/02713683.2014.904361] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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Mao G, VanWyck D, Xiao X, Mack Correa MC, Gunn E, Flach CR, Mendelsohn R, Walters RM. Oleic acid disorders stratum corneum lipids in Langmuir monolayers. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2013; 29:4857-4865. [PMID: 23517601 DOI: 10.1021/la4002384] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
Oleic acid (OA) is well-known to affect the function of the skin barrier. In this study, the molecular interactions between OA and model stratum corneum (SC) lipids consisting of ceramide, cholesterol, and palmitic acid (PA) were investigated with Langmuir monolayer and associated techniques. Mixtures with different OA/SC lipid compositions were spread at the air/water interface, and the phase behavior was tracked with surface pressure-molecular area (π-A) isotherms. With increasing OA levels in the monolayer, the films became more fluid and more compressible. The thermodynamic parameters derived from π-A isotherms indicated that there are preferential interactions between OA and SC lipids and that films of their mixtures were thermodynamically stable. The domain structure and lipid conformational order of the monolayers were studied through Brewster angle microscopy (BAM) and infrared reflection absorption spectroscopy (IRRAS), respectively. Results indicate that lower concentrations of OA preferentially mix with and disorder the ceramide-enriched domains, followed by perturbation of the PA-enriched domains and disruption of SC lipid domain separation at higher OA levels.
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Affiliation(s)
- Guangru Mao
- Johnson and Johnson Consumer Companies, Incorporated , 199 Grandview Road, Skillman, New Jersey 08558, United States.
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Spatially resolved two-color diffusion measurements in human skin applied to transdermal liposome penetration. J Invest Dermatol 2012; 133:1260-8. [PMID: 23223136 DOI: 10.1038/jid.2012.461] [Citation(s) in RCA: 50] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
A multiphoton excitation-based fluorescence fluctuation spectroscopy method, Raster image correlation spectroscopy (RICS), was used to measure the local diffusion coefficients of distinct model fluorescent substances in excised human skin. In combination with structural information obtained by multiphoton excitation fluorescence microscopy imaging, the acquired diffusion information was processed to construct spatially resolved diffusion maps at different depths of the stratum corneum (SC). Experiments using amphiphilic and hydrophilic fluorescently labeled molecules show that their diffusion in SC is very heterogeneous on a microscopic scale. This diffusion-based strategy was further exploited to investigate the integrity of liposomes during transdermal penetration. Specifically, the diffusion of dual-color fluorescently labeled liposomes--containing an amphiphilic fluorophore in the lipid bilayer and a hydrophilic fluorophore encapsulated in the liposome lumen--was measured using cross-correlation RICS. This type of experiment allows discrimination between separate (uncorrelated) and joint (correlated) diffusion of the two different fluorescent probes, giving information about liposome integrity. Independent of the liposome composition (phospholipids or transfersomes), our results show a clear lack of cross-correlation below the skin surface, indicating that the penetration of intact liposomes is highly compromised by the skin barrier.
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Oyedeji F, Adeleke B, Akintola C. Physicochemical and Fatty Acid Profile Analysis of Polyalthia longifolia Seed Oil. ACTA ACUST UNITED AC 2011. [DOI: 10.3923/tasr.2011.614.621] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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23
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Kim KM, Oh SY. Calcitonin Transport through Skin Using Iontophoresis. JOURNAL OF PHARMACEUTICAL INVESTIGATION 2011. [DOI: 10.4333/kps.2011.41.1.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Lee SH. Platform Technologies for Research on the G Protein Coupled Receptor: Applications to Drug Discovery Research. Biomol Ther (Seoul) 2011. [DOI: 10.4062/biomolther.2011.19.1.001] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
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Kim HS, Oh SY. Effect of Polyoxyethylene Alkyl Esters on Permeation Enhancement and Impedance of Skin. Biomol Ther (Seoul) 2011. [DOI: 10.4062/biomolther.2011.19.1.109] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
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Katagiri C, Iida T, Nakanishi J, Ozawa M, Aiba S, Hibino T. Up-regulation of serpin SCCA1 is associated with epidermal barrier disruption. J Dermatol Sci 2010; 57:95-101. [PMID: 20089382 DOI: 10.1016/j.jdermsci.2009.09.004] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2009] [Revised: 08/26/2009] [Accepted: 09/24/2009] [Indexed: 10/20/2022]
Abstract
BACKGROUND Parakeratosis, the persistent presence of nuclei in the stratum corneum (SC) is associated with serious disruption of skin barrier function. Squamous cell carcinoma antigen 1 (SCCA1) is strongly up-regulated in inflamed and parakeratotic skin. OBJECTIVE To find a biochemical marker for the SC barrier disruption, especially the disruption associated with parakeratosis. METHODS An ELISA assay system was established to quantify SCCA1 in the extract of tape-stripped cornified cells. Transepidermal water loss (TEWL) and other skin parameters were measured and compared with the amount of SCCA1. Localization of SCCA1 was investigated immunohistochemically in various skin diseases with parakeratosis. Nuclei and SCCA1 on the skin surface were detected by staining of corniocytes collected on an adhesive-coated slide glass. RESULTS SCCA1 showed strong up-regulation in lesional skin with psoriasis (466-fold), hayfever skin caused by Japanese ceder pollen (232-fold) and sun-exposed skin of healthy individuals (90-fold) compared to their normal sun-protected skin. The increased levels of SCCA1 were well correlated with increased values of TEWL and the number of parakeratotic cells in the SC. Furthermore, subjects with high levels of SCCA1 in the epidermis were more susceptible to barrier disruption by external stimuli, and this was accompanied with a further increase of SCCA1. We confirmed that localization of SCCA1 was limited to parakeratotic areas by using the skin surface staining technique. Immunohistochemical study also demonstrated that SCCA1 was always present at high levels in parakeratotic epidermis. CONCLUSION All of our findings indicate that SCCA1 plays an important role in the induction of epidermal barrier disruption. SCCA1 may be a critical determinant of barrier function in the epidermis.
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Affiliation(s)
- Chika Katagiri
- Shiseido Research Center, 2-12-1 Fukuura, Kanazawa-ku, Yokohama 236-8643, Japan
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Jiang SJ, Chu AW, Lu ZF, Pan MH, Che DF, Zhou XJ. Ultraviolet B-induced alterations of the skin barrier and epidermal calcium gradient. Exp Dermatol 2008; 16:985-92. [PMID: 18031457 DOI: 10.1111/j.1600-0625.2007.00619.x] [Citation(s) in RCA: 61] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Ultraviolet irradiation induces a variety of cutaneous changes, including epidermal permeability barrier disruption. In the present study, we assessed the effects of ultraviolet B (UVB) irradiation in epidermal barrier function and calcium distribution in murine epidermis. Adult hairless mice were exposed to a single dose of UVB (0.15 J/cm(2)). Barrier function was evaluated by transepidermal water loss (TEWL), lanthanum perfusion. The morphological alterations were examined by histology, immunohistochemistry and electron microscopy using ruthenium tetroxide (RuO(4)) postfixation. For evaluation of the effect on epidermal calcium distribution, the ion-capture cytochemistry was employed. UVB irradiation caused a significant increase in TEWL, which peaked at day 4. In parallel, the increased number of sunburn cells and the changes in epidermal hyperplasia and proliferation were observed. Electron microscopic observation demonstrated that the water-soluble lanthanum tracer was present in the extracellular stratum corneum domains, and the increased intercellular permeability was correlated with defective organization of the extracellular lipid lamellar bilayers of the stratum corneum. Moreover, UVB irradiation also caused an appearance of calcium precipitates in the stratum corneum and transitional cell layers as well as the increased cytosolic calcium in the lower epidermis, reflecting the alterations of the epidermal calcium gradient. These results suggest that the changes of the epidermal calcium distribution pattern may correlate with the perturbation of the epidermal barrier induced by UVB irradiation.
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Affiliation(s)
- Shao Jun Jiang
- Department of Pathology, Jinling Hospital, 305, Zhong Shan Dong Lu, Nanjing, 210002, P. R. China
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Jiang SJ, Chen JY, Lu ZF, Yao J, Che DF, Zhou XJ. Biophysical and morphological changes in the stratum corneum lipids induced by UVB irradiation. J Dermatol Sci 2006; 44:29-36. [PMID: 16842978 DOI: 10.1016/j.jdermsci.2006.05.012] [Citation(s) in RCA: 42] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2005] [Revised: 05/08/2006] [Accepted: 05/28/2006] [Indexed: 11/20/2022]
Abstract
BACKGROUND UV irradiation induces a variety of responses in the epidermis, including sunburn cell formation, epidermal hyperplasia, and epidermal permeability barrier disruption. OBJECTIVE The aim of present study was to assess the effects of UVB irradiation in the intercellular lipids in murine stratum corneum. METHODS Adult hairless mice were exposed to a single UVB dose (0.15 J/cm(2)), the Fourier transform infrared (FT-IR) spectroscopic study was performed to investigate the effect on the biophysical changes in the stratum corneum lipids, barrier function was monitored by transepidermal water loss (TEWL) measurement, and the morphological alterations of stratum corneum was examined by electron microscopy using ruthenium tetroxide postfixation. RESULTS The FT-IR spectroscopic study revealed that there was the shift to higher wavenumbers of the symmetric and asymmetric stretching peaks near 2850 and 2920 cm(-1) respectively at days 3-4 after a single UVB irradiation, reflecting to the increase in motional freedom of lipids hydrocarbon chains, call as disordering of lipids. Moreover, A single UVB irradiation also caused a significant increase in TEWL, the increase in TEWL began after 2 days and peaked at day 4. Electron microscopic observations revealed that marked morphological abnormalities in the intercellular domains, including abnormal profile of lamellar granules and its contents at the interface between stratum corneum and stratum granulosum and the persistence of the nuclei in the stratum corneum. Moreover, the separated fragmentary lipid lamellae, excessive numbers of lamellae in stacks, both the elongated and enlarged lacuna as well as the extracellular whorls were present within the widen space of the stratum corneum. CONCLUSION The both of biophysical and morphological changes of the stratum corneum lipids may reflect to the mechanisms of perturbation of the epidermal permeability barrier induced by UVB irradiation.
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Affiliation(s)
- Shao Jun Jiang
- Department of Pathology, Jinling Hospital, 305 Zhong Shan Dong Lu, Nanjing 210002, PR China
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Demerjian M, Crumrine DA, Milstone LM, Williams ML, Elias PM. Barrier dysfunction and pathogenesis of neutral lipid storage disease with ichthyosis (Chanarin-Dorfman syndrome). J Invest Dermatol 2006; 126:2032-8. [PMID: 16741516 DOI: 10.1038/sj.jid.5700332] [Citation(s) in RCA: 50] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Neutral lipid storage disease with ichthyosis (NLSDI; Chanarin-Dorfman syndrome) is an ichthyosiform syndrome, often associated with mutations in a lipid hydrolase, CGI-58. The presence of oil red O-positive, neutral lipid droplets in tissue biopsies, and/or in leukocytes on blood smears, coupled with a constellation of multisystem abnormalities and a pruritic ichthyosiform erythroderma, are together diagnostic of NLSDI. We investigated the pathogenesis of the ichthyosiform erythroderma in patients from three unrelated kindreds with a clinical diagnosis of NLSDI. Basal permeability barrier function and stratum corneum (SC) integrity were abnormal, but barrier recovery rates were faster than normal, as in atopic dermatitis. The basal barrier abnormality was linked to the secretion of lipid micro-inclusions, first segregated within lamellar bodies (LB), which then form a non-lamellar phase within the SC interstices, shown by combined ruthenium tetroxide post-fixation and lipid-retaining resin-white embedding. With colloidal lanthanum nitrate perfusion, excess water/solute movement was restricted to the SC interstices, and further localized to non-lamellar domains. Phase separation of excess stored lipid provides a unifying pathogenic mechanism not only for NLSDI, but also in several other inherited ichthyosiform disorders of lipid metabolism, such as recessive X-linked ichthyosis and type 2 Gaucher's disease.
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Jeong SK, Ko JY, Seo JT, Ahn SK, Lee CW, Lee SH. Stimulation of epidermal calcium gradient loss and increase in TNF-alpha and IL-1alpha expressions by glycolic acid in murine epidermis. Exp Dermatol 2005; 14:571-9. [PMID: 16026578 DOI: 10.1111/j.0906-6705.2005.00308.x] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
In a previous study, we reported that alpha-hydroxy acids (AHA), such as glycolic acid and lactic acid, did not induce any significant changes in transepidermal water loss for normal murine skin. The ultrastructural observations, however, showed that the extent of lamellar body exocytosis significantly increased. Because AHA can theoretically decrease the calcium ion concentration by chelation, topical AHA may induce the loss of epidermal calcium gradient by lowering the calcium ion concentration in the granulocytes and, subsequently, induce lamellar body secretion. The aim of this study is to verify that glycolic acid could modulate the epidermal calcium gradient and increase lamellar body exocytosis. Seventy per cent of glycolic acid aqueous solution was applied to the normal skin of hairless mice and biochemical and morphological studies were performed. The loss of epidermal calcium gradient was observed in glycolic-acid-applied skin of hairless mice and subsequent barrier function recovery processes, such as an increase in lamellar body secretion, were observed. The extracellular glycolic acid was found to inhibit the change in intracellular calcium ion concentration in response to extracellular calcium ion concentration changes in the cultured mouse keratinocyte in vitro. The protein and mRNA expressions of tumour necrosis factor-alpha and interleukin-1alpha in the murine epidermis were significantly increased after glycolic acid application. An in vitro study using cultured keratinocytes suggested that glycolic acid could lower the calcium ion concentration, at least in part, through the chelating effects of the glycolic acid on the cationic ions.
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Affiliation(s)
- Se Kyoo Jeong
- BK21 Project for Medical Science, Yonsei University College of Medicine, Seoul, Korea
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Jiang J, Wang RK. Comparing the synergistic effects of oleic acid and dimethyl sulfoxide as vehicles for optical clearing of skin tissuein vitro. Phys Med Biol 2004; 49:5283-94. [PMID: 15656277 DOI: 10.1088/0031-9155/49/23/006] [Citation(s) in RCA: 57] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Recently, the tissue optical clearing technique has shown great potential in enhancing the capabilities of non-invasive light-based diagnostic and imaging techniques due to increased light penetration into tissue. In order to facilitate the clinical availability of the tissue optical clearing technique by the use of hyperosmotic agents, this study introduces oleic acid, a mono-unsaturated fatty acid which is generally recognised as safe, as an enhancer, and investigates the synergistic effect of oleic acid and propylene glycol on the optical clearing of skin tissue in vitro. Experimental results from near infrared spectroscopy, mass loss measurement and skin permeability assessment show that, when compared with dimethyl sulfoxide (DMSO) as an enhancer, oleic acid has a similar clearing effect. Due to its potential toxicity and the possible side effects, DMSO has been controversial in clinical applications. Therefore, in terms of optical application and clinic safety, the results presented reveal that oleic acid could be an optimal choice as an enhancer for optical clearing of skin tissue.
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Affiliation(s)
- Jingying Jiang
- Institute of Bioscience and Technology, Cranfield University at Silsoe, Bedfordshire, MK45 4DT, UK
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Wang Y, Fan Q, Song Y, Michniak B. Effects of fatty acids and iontophoresis on the delivery of midodrine hydrochloride and the structure of human skin. Pharm Res 2003; 20:1612-8. [PMID: 14620516 DOI: 10.1023/a:1026139418487] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
PURPOSE The purpose of this work was to investigate if fatty acids can increase the iontophoretic delivery of midodrine hydrochloride through human dermatomed skin and to observe the effects of iontophoresis and fatty acids on skin using SEM. METHODS After prehydration for 1 h, human dermatomed skin was treated with 0-0.3 M fatty acids (oleic acid, linoleic acid, decanoic acid, and lauric acid) in propylene glycol (PG) for 1 h. Then the fatty acid solution was replaced by 1% midodrine hydrochloride aqueous solution, and 0.1 mA/cm2 constant current was applied. Samples were taken over 24 h and analyzed by HPLC. After the treatments outlined above, the epidermis was separated, fixed with glutaraldehyde, and dehydrated for SEM. RESULTS SEM studies revealed that only 1 h of treatment with fatty acids opened up the tightly compact stratum corneum cell layer, and the permeation study showed a significant increase of the permeability of skin to midodrine hydrochloride after fatty acid treatment. CONCLUSIONS Using 5% oleic acid pretreatment, with the electrical current offset at 0.1 mA/cm2, the daily delivery of midodrine hydrochloride can provide an adequate clinical application. The enhancement of passive and iontophoretic delivery by fatty acids may be occurring through the same mechanism.
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Affiliation(s)
- Yiping Wang
- Ernest Mario School of Pharmacy, Rutgers, The State University of New Jersey, Piscataway, New Jersey 08854, USA
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Li GL, Danhof M, Frederik PM, Bouwstra JA. Pretreatment with a water-based surfactant formulation affects transdermal iontophoretic delivery of R-apomorphine in vitro. Pharm Res 2003; 20:653-9. [PMID: 12739775 DOI: 10.1023/a:1023211219118] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
PURPOSE To further increase the transdermal transport rate of R-apomorphine, a nonocclusive pretreatment with an aqueous surfactant formulation in combination with iontophoresis was explored in vitro. METHODS The human stratum corneum was pretreated nonocclusively with formulations composed of laureth-3 oxyethylene ether (C12EO3), laureth-7 oxyethylene ether (C12EO7), and cholesterol sulfate (CSO4) prior to iontophoresis. The effect on the flux of the following parameters was examined: the composition, the charge, and the applied amount of surfactant formulations. RESULTS The iontophoretic flux of R-apomorphine was appreciably increased by pretreatment with surfactant formulations. A formulation containing C12EO3/C12EO7/CSO4 at a molar ratio of 70:30:5 was very stable and increased the iontophoretic flux of R-apomorphine from 92.2 +/- 13.9 nmol/cm2 x h to 181.5 +/- 22.6 nmol/cm2 x h. When further increasing the negative charge of this formulation the iontophoretic transport rate was slightly inhibited. A dose of 40 microL/cm2 of the formulation with a total surfactant concentration of 5% (w/w) was sufficient for a maximum enhancing effect. CONCLUSIONS The results obviously show that nonocclusive pretreatment with the surfactant formulation enhances the iontophoretic transport of R-apomorphine, and is a promising approach to achieve therapeutic concentrations of R-apomorphine.
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Affiliation(s)
- Gai Ling Li
- Department of Pharmaceutical Technology, Leiden Amsterdam Centre for Drug Research, University of Leiden, PO Box 9502, 2300 RA, Leiden, The Netherlands
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Abstract
Using transmission and cryo-scanning electron microscopy, we confirm that extended water exposure leads to extensive disruption of stratum corneum intercellular lipid lamellae. We define the in vivo swelling behavior of the stratum corneum: exposure to water for 4 or 24 h results in a 3- or 4-fold expansion of the stratum corneum thickness, respectively. Corneocytes swell uniformly with the exception of the outermost and inner two to four corneocyte layers, which swell less. We show that hydration induces large pools of water in the intercellular space, pools that can exceed the size of water-swollen corneocytes. By 4 h of water exposure there are numerous small and large intercellular pools of water ("cisternae") present throughout the stratum corneum, and at 24 h these cisternae substantially increase in size. Within cisternae the lipid structure is disrupted by lamellar delamination ("roll-up"). Cisternae appear to be disk-shaped structures that do not obviously communicate. Cisternae appear to contain considerable lipidic and other material and to contain a substantial fluid volume that can rival the volume of the dry stratum corneum. Similar results are obtained following urine exposure. With urine exposure, cisternae communicate with salts in the external solution. This study illustrates the disruptive effect of overhydration on the stratum corneum intercellular space, identifies large and numerous unanticipated intercellular cisternal structures, defines the magnitude of stratum corneum swelling, and identifies stratum corneum cell layers that swell less. The study suggests the stratum corneum is a more chaotic structure than previously envisioned, and provides a framework for better understanding desquamation, irritancy, and percutaneous transport.
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Affiliation(s)
- Ronald R Warner
- Miami Valley Laboratories, Procter & Gamble Co., PO Box 538707, Cincinnati, OH 45253, USA.
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Kanikkannan N, Singh M. Skin permeation enhancement effect and skin irritation of saturated fatty alcohols. Int J Pharm 2002; 248:219-28. [PMID: 12429475 DOI: 10.1016/s0378-5173(02)00454-4] [Citation(s) in RCA: 90] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
Though the skin permeation enhancement effect of chemical penetration enhancers has been studied extensively, their skin irritation potential has not been adequately investigated. The objective of this study was to evaluate the skin permeation enhancement effect and skin irritation of saturated fatty alcohols using melatonin as a model compound. A saturated solution of melatonin in a mixture of water and ethanol (40:60) containing 5% w/v of saturated fatty alcohol was used in the skin permeation studies using Franz diffusion cells. For skin irritation studies, 230 microl of fatty alcohol solution was applied on the dorsal surface of the hairless rats using Hill top chamber. The skin irritation was evaluated by visual scoring method and bioengineering methods such as measurement of transepidermal water loss (TEWL) and skin blood flow. The flux of melatonin across hairless rat skin was found to be dependent on the carbon chain length of the fatty alcohols, with decanol showing the maximum permeation of melatonin. All fatty alcohols increased the TEWL and skin blood flow significantly compared with the vehicle. The fatty alcohols (decanol, undecanol and lauryl alcohol), which showed greater permeation of melatonin, also produced greater TEWL, skin blood flow and erythema. Tridecanol and myristyl alcohol showed lower permeation enhancement effect but caused greater skin irritation. Octanol and nonanol may be the most useful enhancers for the transdermal delivery of melatonin considering their lower skin irritation and a reasonably good permeation enhancement effect. However, further studies are needed to ascertain their safety as skin penetration enhancers. Skin permeation and skin irritation in experimental animals such as rats are generally higher compared with human skin. Further studies in human volunteers using fatty alcohols at the concentrations of 5% or lower may provide useful information on the utility of these fatty alcohols as permeation enhancers.
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Affiliation(s)
- N Kanikkannan
- College of Pharmacy and Pharm Science, Florida A and M University, Tallahassee 32307, USA
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Abstract
The objective of this study was to construct a modified equation for the delivery of a drug by iontophoresis. Indomethacin was selected as a model since it has been widely used as a non-steroidal anti-inflammatory drug (NSAID) for external pharmaceutical preparations. The experiments were performed under a constant current in vivo using rat abdominal skin, and the plasma concentration was monitored by HPLC. Pharmacokinetic parameters were obtained from the plasma concentration profiles after intravenous injection. A theoretical value of the transdermal delivery of drug by iontophoresis was calculated from the plasma concentration and pharmacokinetic parameters. The experimental value was evidently higher than the theoretical one, suggesting the enhancement of passive diffusion with an increase of applied current. The modified equation was proposed for the delivery of a drug by iontophoresis incorporating enhanced passive diffusion.
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Affiliation(s)
- Makoto Kanebako
- Fuji Research Laboratories, Pharmaceutical Division, Kowa Company, LTD, Shizuoka, Japan.
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Touitou E, Godin B, Karl Y, Bujanover S, Becker Y. Oleic acid, a skin penetration enhancer, affects Langerhans cells and corneocytes. J Control Release 2002; 80:1-7. [PMID: 11943383 DOI: 10.1016/s0168-3659(02)00004-4] [Citation(s) in RCA: 71] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
Permeation enhancers (PE) are frequently used in the field of dermal research and for the development of transdermal delivery products. However, their influence on skin epidermal Langerhans cells (LC) has not yet been investigated. In this work we studied the effect of four PE, oleic acid (OA), propylene glycol (PG), ethanol, and diethylene glycol monoethyl ether (DGME), and an iontophoretic treatment on the morphometric parameters of epidermal Langerhans cells (LC). Retinoic acid (RA) was used as a positive control. Test solutions were applied to the footpad of Sabra mice. The area, perimeter, density and shape factor (SF) were the morphometric parameters evaluated following ATPase staining of LC. Application of RA led to a large decrease in cell density (-50.2%, P<0.01) and dendritic shape (19.8%, P<0.01). Treatment with 10% OA in ethanolic solution caused a severe decrease in LC density (-69.0%, P<0.01), accompanied by a decrease in dendricity as measured by the changes in SF. Ethanol had no statistically significant effect on the LC morphologic parameters tested. All other PE had a mild, if any, effect on LC morphology. SEM micrographs of the skin of IOPS hairless rats demonstrated that 24 h in vivo treatment with 10% OA in ethanolic solution resulted in the generation of pores on the surface of epidermal corneocytes.
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Affiliation(s)
- E Touitou
- Department of Pharmaceutics, School of Pharmacy, Faculty of Medicine, The Hebrew University of Jerusalem, Jerusalem, Israel.
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