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He Y, Wu S, Rietveld M, Vermeer M, Cruz LJ, Eich C, El Ghalbzouri A. Application of Doxorubicin-loaded PLGA nanoparticles targeting both tumor cells and cancer-associated fibroblasts on 3D human skin equivalents mimicking melanoma and cutaneous squamous cell carcinoma. BIOMATERIALS ADVANCES 2024; 160:213831. [PMID: 38552501 DOI: 10.1016/j.bioadv.2024.213831] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/28/2023] [Revised: 03/10/2024] [Accepted: 03/15/2024] [Indexed: 05/04/2024]
Abstract
Nanoparticle (NP) use in cancer therapy is extensively studied in skin cancers. Cancer-associated fibroblasts (CAFs), a major tumor microenvironment (TME) component, promote cancer progression, making dual targeting of cancer cells and CAFs an effective therapy. However, dual NP-based targeting therapy on both tumor cells and CAFs is poorly investigated in skin cancers. Herein, we prepared and characterized doxorubicin-loaded PLGA NPs (DOX@PLGA NPs) and studied their anti-tumor effects on cutaneous melanoma (SKCM)(AN, M14) and cutaneous squamous cell carcinoma (cSCC) (MET1, MET2) cell lines in monolayer, as well as their impact on CAF deactivation. Then, we established 3D full thickness models (FTM) models of SKCM and cSCC using AN or MET2 cells on dermis matrix populated with CAFs respectively, and assessed the NPs' tumor penetration, tumor-killing ability, and CAF phenotype regulation through both topical administration and intradermal injection. The results show that, in monolayer, DOX@PLGA NPs inhibited cancer cell growth and induced apoptosis in a dose- and time-dependent manner, with a weaker effect on CAFs. DOX@PLGA NPs reduced CAF-marker expression and had successful anti-tumor effects in 3D skin cancer FTMs, with decreased tumor-load and invasion. DOX@PLGA NPs also showed great delivery potential in the FTMs and could be used as a platform for future functional study of NPs in skin cancers using human-derived skin equivalents. This study provides promising evidence for the potential of DOX@PLGA NPs in dual targeting therapy for SKCM and cSCC.
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Affiliation(s)
- Yuanyuan He
- Translational Nanobiomaterials and Imaging (TNI) Group, Department of Radiology, Leiden University Medical Center, 2333 ZA Leiden, the Netherlands
| | - Shidi Wu
- Department of Dermatology, Leiden University Medical Center, 2333 ZA Leiden, the Netherlands
| | - Marion Rietveld
- Department of Dermatology, Leiden University Medical Center, 2333 ZA Leiden, the Netherlands
| | - Maarten Vermeer
- Department of Dermatology, Leiden University Medical Center, 2333 ZA Leiden, the Netherlands
| | - Luis J Cruz
- Translational Nanobiomaterials and Imaging (TNI) Group, Department of Radiology, Leiden University Medical Center, 2333 ZA Leiden, the Netherlands
| | - Christina Eich
- Translational Nanobiomaterials and Imaging (TNI) Group, Department of Radiology, Leiden University Medical Center, 2333 ZA Leiden, the Netherlands.
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Alinaghi A, Macedo A, Cheruvu HS, Holmes A, Roberts MS. Human epidermal in vitro permeation test (IVPT) analyses of alcohols and steroids. Int J Pharm 2022; 627:122114. [PMID: 35973591 DOI: 10.1016/j.ijpharm.2022.122114] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2022] [Revised: 08/09/2022] [Accepted: 08/11/2022] [Indexed: 12/22/2022]
Abstract
This study examined a number of factors that can impact the outcomes of in vitro human epidermal permeation coefficients for aliphatic alcohols and steroids, including receptor phase composition and study conditions. We determined experimentally the solubilities and IVPT permeation of a homologous series of 14C labeled aliphatic alcohols (ethanol, propanol, pentanol, heptanol, octanol and decanol) in different receptor fluids as recommended by Organisation Economic Co-operation and Development (OECD). We used human epidermal membranes at 25°C and phosphate-buffered saline (PBS), 2% w/v bovine serum albumin (2%w/v BSA), 50% v/v ethanol and 0.1, 2 and 6% w/v Oleth-20 receptor phases. We also explored and confirmed the discrepancies between in vitro human epidermal permeability coefficients (kp) and diffusion lag times for steroids from Scheuplein's group with our own work and that of others. The main reason for the observed differences is not clear but is likely to be multifactorial, including the effects of diffusion cell design, receptor phase solubility, unstirred receptor phase effects, epidermal membrane hydration, diffusion cell configuration, transport through appendageal pathways and steroid lipophilicity. We conclude with a summary of experimental conditions that should be considered in undertaking IVPT studies.
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Affiliation(s)
- Azadeh Alinaghi
- Clinical and Medical Sciences, University of South Australia, Adelaide, Australia and The Basil Hetzel Institute for Translational Health Research, Adelaide, Australia
| | - Ana Macedo
- Clinical and Medical Sciences, University of South Australia, Adelaide, Australia and The Basil Hetzel Institute for Translational Health Research, Adelaide, Australia
| | - Hanumanth S Cheruvu
- Diamantina Research Institute, The University of Queensland, Translational Research Institute, Brisbane, Australia
| | - Amy Holmes
- Clinical and Medical Sciences, University of South Australia, Adelaide, Australia and The Basil Hetzel Institute for Translational Health Research, Adelaide, Australia
| | - Michael S Roberts
- Clinical and Medical Sciences, University of South Australia, Adelaide, Australia and The Basil Hetzel Institute for Translational Health Research, Adelaide, Australia; Diamantina Research Institute, The University of Queensland, Translational Research Institute, Brisbane, Australia.
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Roberts MS, Cheruvu HS, Mangion SE, Alinaghi A, Benson HA, Mohammed Y, Holmes A, van der Hoek J, Pastore M, Grice JE. Topical drug delivery: History, percutaneous absorption, and product development. Adv Drug Deliv Rev 2021; 177:113929. [PMID: 34403750 DOI: 10.1016/j.addr.2021.113929] [Citation(s) in RCA: 78] [Impact Index Per Article: 26.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2021] [Revised: 08/05/2021] [Accepted: 08/11/2021] [Indexed: 02/07/2023]
Abstract
Topical products, widely used to manage skin conditions, have evolved from simple potions to sophisticated delivery systems. Their development has been facilitated by advances in percutaneous absorption and product design based on an increasingly mechanistic understanding of drug-product-skin interactions, associated experiments, and a quality-by-design framework. Topical drug delivery involves drug transport from a product on the skin to a local target site and then clearance by diffusion, metabolism, and the dermal circulation to the rest of the body and deeper tissues. Insights have been provided by Quantitative Structure Permeability Relationships (QSPR), molecular dynamics simulations, and dermal Physiologically Based PharmacoKinetics (PBPK). Currently, generic product equivalents of reference-listed products dominate the topical delivery market. There is an increasing regulatory interest in understanding topical product delivery behavior under 'in use' conditions and predicting in vivo response for population variations in skin barrier function and response using in silico and in vitro findings.
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Sunscreens and their usefulness: have we made any progress in the last two decades? Photochem Photobiol Sci 2021; 20:189-244. [PMID: 33721254 DOI: 10.1007/s43630-021-00013-1] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2020] [Accepted: 01/13/2021] [Indexed: 12/20/2022]
Abstract
Sunscreens have now been around for decades to mitigate the Sun's damaging ultraviolet (UV) radiation which, although essential for the existence of life, is a recognized prime carcinogen. Accordingly, have suncreams achieved their intended purposes towards protection against sunburns, skin photo-ageing and the like? Most importantly, however, have they provided the expected protection against skin cancers that current sunscreen products claim to do? In the last two decades, there have been tens, if not hundreds of studies on sunscreens with respect to skin protection against UVB (280‒320 nm)-traditionally sunscreens with rather low sun protection factors (SPF) were intended to protect against this type of radiation-and UVA (320‒400 nm) radiation; a distinction between SPF and UVA protection factor (UVA-PF) is made. Many of the studies of the last two decades have focused on protection against the more skin-penetrating UVA radiation. This non-exhaustive article reviews some of the important facets of what is currently known about sunscreens with regard (i) to the physical UV filters titanium dioxide (TiO2) and zinc oxide (ZnO) and the mostly photo-unstable chemical UVB/UVA filters (e.g., octinoxate (OMC) and avobenzone (AVO), among others), (ii) to novel chemical sunscreen agents, (iii) to means that minimize the breakdown of chemical filters and improve their stability when exposed to UV sunlight, (iv) to SPF factors, and (v) to a short discussion on non-melanoma skin cancers and melanoma. Importantly, throughout the article we allude to the safety aspects of sunscreens and at the end ask the question: do active ingredients in sunscreen products pose a risk to human health, and what else can be done to enhance protection? Significant loss of skin protection from two well-known commercial suncreams when exposed to simulated UV sunlight. Cream I: titanium dioxide, ethylhexyl triazone, avobenzone, and octinoxate; Cream II: octyl salicylate, oxybenzone, avobenzone, and octinoxate.
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Suhail S, Sardashti N, Jaiswal D, Rudraiah S, Misra M, Kumbar SG. Engineered Skin Tissue Equivalents for Product Evaluation and Therapeutic Applications. Biotechnol J 2019; 14:e1900022. [PMID: 30977574 DOI: 10.1002/biot.201900022] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2019] [Revised: 03/20/2019] [Indexed: 12/12/2022]
Abstract
The current status of skin tissue equivalents that have emerged as relevant tools in commercial and therapeutic product development applications is reviewed. Due to the rise of animal welfare concerns, numerous companies have designed skin model alternatives to assess the efficacy of pharmaceutical, skincare, and cosmetic products in an in vitro setting, decreasing the dependency on such methods. Skin models have also made an impact in determining the root causes of skin diseases. When designing a skin model, there are various chemical and physical considerations that need to be considered to produce a biomimetic design. This includes designing a structure that mimics the structural characteristics and mechanical strength needed for tribological property measurement and toxicological testing. Recently, various commercial products have made significant progress towards achieving a native skin alternative. Further research involve the development of a functional bilayered model that mimics the constituent properties of the native epidermis and dermis. In this article, the skin models are divided into three categories: in vitro epidermal skin equivalents, in vitro full-thickness skin equivalents, and clinical skin equivalents. A description of skin model characteristics, testing methods, applications, and potential improvements is presented.
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Affiliation(s)
- Sana Suhail
- Department of Orthopaedic Surgery, University of Connecticut Health, 263 Farmington Ave, Farmington, CT, 06030, USA.,Department of Biomedical Engineering, University of Connecticut, 260 Glenbrook Road, Unit 3247, Storrs, CT, 06269, USA
| | - Naseem Sardashti
- Department of Orthopaedic Surgery, University of Connecticut Health, 263 Farmington Ave, Farmington, CT, 06030, USA.,Department of Biomedical Engineering, University of Connecticut, 260 Glenbrook Road, Unit 3247, Storrs, CT, 06269, USA
| | - Devina Jaiswal
- Department of Orthopaedic Surgery, University of Connecticut Health, 263 Farmington Ave, Farmington, CT, 06030, USA.,Department of Biomedical Engineering, Western New England University, 1215 Wilbrahan Road, Springfield, MA, 01119, USA
| | - Swetha Rudraiah
- Department of Orthopaedic Surgery, University of Connecticut Health, 263 Farmington Ave, Farmington, CT, 06030, USA.,Department of Pharmaceutical Sciences, School of Pharmacy, University of Saint Joseph, 229 Trumbull St, Hartford, CT, 06103, USA
| | - Manoj Misra
- Unilever R&D, 40 Merritt Blvd, Trumbull, CT, 06611, USA
| | - Sangamesh G Kumbar
- Department of Orthopaedic Surgery, University of Connecticut Health, 263 Farmington Ave, Farmington, CT, 06030, USA.,Department of Biomedical Engineering, University of Connecticut, 260 Glenbrook Road, Unit 3247, Storrs, CT, 06269, USA
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Abd E, Yousef SA, Pastore MN, Telaprolu K, Mohammed YH, Namjoshi S, Grice JE, Roberts MS. Skin models for the testing of transdermal drugs. Clin Pharmacol 2016; 8:163-176. [PMID: 27799831 PMCID: PMC5076797 DOI: 10.2147/cpaa.s64788] [Citation(s) in RCA: 143] [Impact Index Per Article: 17.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
The assessment of percutaneous permeation of molecules is a key step in the evaluation of dermal or transdermal delivery systems. If the drugs are intended for delivery to humans, the most appropriate setting in which to do the assessment is the in vivo human. However, this may not be possible for ethical, practical, or economic reasons, particularly in the early phases of development. It is thus necessary to find alternative methods using accessible and reproducible surrogates for in vivo human skin. A range of models has been developed, including ex vivo human skin, usually obtained from cadavers or plastic surgery patients, ex vivo animal skin, and artificial or reconstructed skin models. Increasingly, largely driven by regulatory authorities and industry, there is a focus on developing standardized techniques and protocols. With this comes the need to demonstrate that the surrogate models produce results that correlate with those from in vivo human studies and that they can be used to show bioequivalence of different topical products. This review discusses the alternative skin models that have been developed as surrogates for normal and diseased skin and examines the concepts of using model systems for in vitro–in vivo correlation and the demonstration of bioequivalence.
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Affiliation(s)
- Eman Abd
- Translational Research Institute, School of Medicine, University of Queensland, Brisbane
| | - Shereen A Yousef
- Translational Research Institute, School of Medicine, University of Queensland, Brisbane
| | - Michael N Pastore
- School of Pharmacy and Medical Sciences, University of South Australia, Adelaide, Australia
| | - Krishna Telaprolu
- Translational Research Institute, School of Medicine, University of Queensland, Brisbane
| | - Yousuf H Mohammed
- Translational Research Institute, School of Medicine, University of Queensland, Brisbane
| | - Sarika Namjoshi
- Translational Research Institute, School of Medicine, University of Queensland, Brisbane
| | - Jeffrey E Grice
- Translational Research Institute, School of Medicine, University of Queensland, Brisbane
| | - Michael S Roberts
- Translational Research Institute, School of Medicine, University of Queensland, Brisbane; School of Pharmacy and Medical Sciences, University of South Australia, Adelaide, Australia
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Evaluation of physicochemical properties, skin permeation and accumulation profiles of salicylic acid amide prodrugs as sunscreen agent. Int J Pharm 2011; 419:154-60. [DOI: 10.1016/j.ijpharm.2011.07.043] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2011] [Revised: 07/07/2011] [Accepted: 07/27/2011] [Indexed: 11/21/2022]
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Duracher L, Blasco L, Abdel Jaoued A, Vian L, Marti-Mestres G. Irradiation of Skin and Contrasting Effects on Absorption of Hydrophilic and Lipophilic Compounds. Photochem Photobiol 2009; 85:1459-67. [DOI: 10.1111/j.1751-1097.2009.00599.x] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Luppi B, Cerchiara T, Bigucci F, Basile R, Zecchi V. Polymeric nanoparticles composed of fatty acids and polyvinylalcohol for topical application of sunscreens. J Pharm Pharmacol 2004; 56:407-11. [PMID: 15025868 DOI: 10.1211/0022357022926] [Citation(s) in RCA: 31] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022]
Abstract
Benzophenone-3 (BZP) or oxybenzone is widely used in many cosmetic formulations, such as sunscreen lotions or emulsions, shampoos and hair sprays. The nature of the vehicle used can enhance or block the percutaneous absorption of UV filter. In this work, we hydrophobically modified polyvinylalcohol 10 000 (PVA) with fatty acids (FAs) to obtain PVA-FA derivatives for the preparation of lipophilic polymeric nanoparticles able to prevent BZP movement towards the skin. Synthesized PVA-FA derivatives were confirmed by H1 NMR. Nanoparticles loaded with BZP were prepared using a solvent extraction method. The particle size was monitored by means of dynamic light scattering measurements. In-vitro skin permeation studies were performed.
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Affiliation(s)
- B Luppi
- Department of Pharmaceutical Sciences, Bologna University, Via San Donato 19/2, 40127 Bologna, Italy.
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Wissing SA, Müller RH. Solid lipid nanoparticles as carrier for sunscreens: in vitro release and in vivo skin penetration. J Control Release 2002; 81:225-33. [PMID: 12044563 DOI: 10.1016/s0168-3659(02)00056-1] [Citation(s) in RCA: 225] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
The aim of this study was the comparison of two different formulations (solid lipid nanoparticles (SLN) and conventional o/w emulsion) as carrier systems for the molecular sunscreen oxybenzone. The influence of the carrier on the rate of release was studied in vitro with a membrane-free model. The release rate could be decreased by up to 50% with the SLN formulation. Further in vitro measurements with static Franz diffusion cells were performed. In vivo, penetration of oxybenzone into stratum corneum on the forearm was investigated by the tape stripping method. It was shown that the rate of release is strongly dependent upon the formulation and could be decreased by 30-60% in SLN formulations. In all test models, oxybenzone was released and penetrated into human skin more quickly and to a greater extent from the emulsions. The rate of release also depends upon the total concentration of oxybenzone in the formulation. In vitro-in vivo correlations could be made qualitatively.
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Affiliation(s)
- S A Wissing
- Department of Pharmaceutics, Biopharmaceutics and Biotechnology, The Free University of Berlin, Kelchstrasse 31, D-12169 Berlin, Germany
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