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Li S, Huang Y, Sun Y, Lu T, Dong Y, Yu S, Zhang X, Hu H. Panax notoginseng saponins loaded W/O microemulsion for alopecia therapy with panthenol as cosurfactant to reduce skin irritation. Int J Pharm 2024; 663:124585. [PMID: 39147248 DOI: 10.1016/j.ijpharm.2024.124585] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2024] [Revised: 08/09/2024] [Accepted: 08/12/2024] [Indexed: 08/17/2024]
Abstract
The etiology of alopecia is so complex that current therapies with single-mechanism and attendant side-effects during long-term usage, are insufficient for treatment. Panax notoginseng saponins (PNS) is supposed to treat alopecia with multiple mechanisms, but difficult to penetrate skin efficiently due to water-solubility. Here, we designed water-in-oil microemulsion (PNS ME) using jojoba oil, fractioned coconut oil, RH 40 + Span 80 and cosurfactant D-panthenol, to help PNS penetrating the skin. Particularly, D-panthenol not only enlarges the microemulsion area, reduces the usage amounts of surfactants thus relieves skin irritation, but stimulates the migration of dermal papilla cells (DPCs), displaying cooperative effects on anti-alopecia. PNS ME penetrates through sebum-rich corneum via high-affinity lipid fusion, targets to hair follicles (HFs), where it resides in skin for sustained drug release, accelerates angiogenesis to build well-nourished environment for HFs, and facilitates the proliferation and migration of DPCs in vitro. PNS ME markedly improved hair density, skin pigmentation, new hair weight, skin thickness, and collagen generation of telogen effluvium mice. Moreover, PNS also took outstanding curative effects on androgenetic alopecia mice. Upon further exploration, PNS ME caused dramatic upregulations of β-catenin, VEGF and Ki67, suggesting it might function by triggering Wnt/β-catenin pathway, accelerating vessels formation, and activating the hair follicle stem cells. Notably, PNS ME indicated longer-term safety than minoxidil tincture. Together, PNS ME provides a comprehensive strategy for alopecia, especially it avoids defects by high-proportioned surfactants in traditional microemulsion, exhibiting milder and safer, which shows bright prospect of applying microemulsion in hair growth promotion.
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Affiliation(s)
- Shuxuan Li
- School of Pharmaceutical Sciences, Sun Yat-sen University, University Town, Guangzhou 510006, PR China
| | - Yihua Huang
- School of Pharmaceutical Sciences, Sun Yat-sen University, University Town, Guangzhou 510006, PR China
| | - Yingying Sun
- School of Pharmaceutical Sciences, Sun Yat-sen University, University Town, Guangzhou 510006, PR China
| | - Tianli Lu
- School of Pharmaceutical Sciences, Sun Yat-sen University, University Town, Guangzhou 510006, PR China
| | - Yating Dong
- School of Pharmaceutical Sciences, Sun Yat-sen University, University Town, Guangzhou 510006, PR China
| | - Shihui Yu
- School of Pharmaceutical Sciences, Sun Yat-sen University, University Town, Guangzhou 510006, PR China
| | - Xuefei Zhang
- School of Traditional Dai-Thai Medicine, West Yunnan University of Applied Sciences, Jinghong 666100, PR China.
| | - Haiyan Hu
- School of Pharmaceutical Sciences, Sun Yat-sen University, University Town, Guangzhou 510006, PR China; State Key Laboratory of Anti-Infective Drug Discovery and Development, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, PR China; Guangdong Provincial Key Laboratory of Chiral Molecule and Drug Discovery, Sun Yat-sen University, University Town, Guangzhou 510006, PR China.
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2
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Park JS, Seo JH, Jeong MY, Yang IG, Kim JS, Kim JH, Ho MJ, Jin SG, Choi MK, Choi YS, Kang MJ. Carboxymethyl cellulose-based rotigotine nanocrystals-loaded hydrogel for increased transdermal delivery with alleviated skin irritation. Carbohydr Polym 2024; 338:122197. [PMID: 38763711 DOI: 10.1016/j.carbpol.2024.122197] [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: 01/11/2024] [Revised: 04/17/2024] [Accepted: 04/21/2024] [Indexed: 05/21/2024]
Abstract
Transdermal rotigotine (RTG) therapy is prescribed to manage Parkinson's disease (Neupro® patch). However, its use is suffered from application site reactions. Herein, drug nanocrystalline suspension (NS)-loaded hydrogel (NS-HG) employing polysaccharides simultaneously as suspending agent and hydrogel matrix was constructed for transdermal delivery, with alleviated skin irritation. RTG-loaded NS-HG was prepared using a bead-milling technique, employing sodium carboxylmethyl cellulose (Na.CMC) as nano-suspending agent (molecular weight 90,000 g/mol) and hydrogel matrix (700,000 g/mol), respectively. NS-HG was embodied as follows: drug loading: ≤100 mg/mL; shape: rectangular crystalline; crystal size: <286.7 nm; zeta potential: -61 mV; viscosity: <2.16 Pa·s; and dissolution rate: >90 % within 15 min. Nuclear magnetic resonance analysis revealed that the anionic polymers bind to RTG nanocrystals via charge interaction, affording uniform dispersion in the matrix. Rodent transdermal absorption of RTG from NS-HG was comparable to that from microemulsions, and proportional to drug loading. Moreover, NS-HG was skin-friendly; erythema and epidermal swelling were absent after repeated application. Further, NS-HG was chemically stable; >95 % of the drug was preserved up to 4 weeks under long term (25 °C/RH60%), accelerated (40 °C/RH75%), and stress (50 °C) storage conditions. Therefore, this novel cellulose derivative-based nanoformulation presents a promising approach for effective transdermal RTG delivery with improved tolerability.
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Affiliation(s)
- Jun Soo Park
- College of Pharmacy, Dankook University, 119 Dandae-ro, Dongnam-gu, Cheonan, Chungnam 330-714, Republic of Korea
| | - Jae Hee Seo
- College of Pharmacy, Dankook University, 119 Dandae-ro, Dongnam-gu, Cheonan, Chungnam 330-714, Republic of Korea
| | - Min Young Jeong
- College of Pharmacy, Dankook University, 119 Dandae-ro, Dongnam-gu, Cheonan, Chungnam 330-714, Republic of Korea
| | - In Gyu Yang
- College of Pharmacy, Dankook University, 119 Dandae-ro, Dongnam-gu, Cheonan, Chungnam 330-714, Republic of Korea
| | - Ji Seong Kim
- College of Pharmacy, Dankook University, 119 Dandae-ro, Dongnam-gu, Cheonan, Chungnam 330-714, Republic of Korea
| | - Jin Hwan Kim
- College of Pharmacy, Dankook University, 119 Dandae-ro, Dongnam-gu, Cheonan, Chungnam 330-714, Republic of Korea
| | - Myoung Jin Ho
- College of Pharmacy, Dankook University, 119 Dandae-ro, Dongnam-gu, Cheonan, Chungnam 330-714, Republic of Korea
| | - Sung Giu Jin
- College of Pharmacy, Dankook University, 119 Dandae-ro, Dongnam-gu, Cheonan, Chungnam 330-714, Republic of Korea
| | - Min Koo Choi
- College of Pharmacy, Dankook University, 119 Dandae-ro, Dongnam-gu, Cheonan, Chungnam 330-714, Republic of Korea
| | - Yong Seok Choi
- College of Pharmacy, Dankook University, 119 Dandae-ro, Dongnam-gu, Cheonan, Chungnam 330-714, Republic of Korea.
| | - Myung Joo Kang
- College of Pharmacy, Dankook University, 119 Dandae-ro, Dongnam-gu, Cheonan, Chungnam 330-714, Republic of Korea.
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3
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Chen Y, Mi X, Cao Z, Guo A, Li C, Yao H, Yuan P. Mechanisms of surface groups regulating developmental toxicity of graphene-based nanomaterials via glycerophospholipid metabolic pathway. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 938:173576. [PMID: 38810761 DOI: 10.1016/j.scitotenv.2024.173576] [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: 01/01/2024] [Revised: 05/07/2024] [Accepted: 05/25/2024] [Indexed: 05/31/2024]
Abstract
Surface modification of graphene-based nanomaterials (GBNs) may occur in aquatic environment and during intentional preparation. However, the influence of the surface groups on the developmental toxicity of GBNs has not been determined. In this study, we evaluated the developmental toxicity of three GBNs including GO (graphene oxide), RGO (reduced GO) and RGO-N (aminated RGO) by employing zebrafish embryos at environmentally relevant concentrations (1-100 μg/L), and the underlying metabolic mechanisms were explored. The results showed that both GO and RGO-N disturbed the development of zebrafish embryos, and the adverse effect of GO was greater than that of RGO-N. Furthermore, the oxygen-containing groups of GBNs play a more important role in inducing developmental toxicity compared to size, defects and nitrogen-containing groups. Specifically, the epoxide and hydroxyl groups of GBNs increased their intrinsic oxidative potential, promoted the generation of ROS, and caused lipid peroxidation. Moreover, a significant decrease in guanosine and abnormal metabolism of multiple glycerophospholipids were observed in all three GBN-treated groups. Nevertheless, GO exposure triggered more metabolic activities related to lipid peroxidation than RGO or RGO-N exposure, and the disturbance intensity of the same metabolite was greater than that of the other two agents. These findings reveal underlying metabolic mechanisms of GBN-induced developmental toxicity.
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Affiliation(s)
- Yuming Chen
- School of Public Health, Xinxiang Medical University, Xinxiang 453003, China; Henan Key Laboratory of Neurorestoratology, First Hospital Affiliated to Xinxiang Medical University, Weihui 453100, China.
| | - Xingjie Mi
- School of Public Health, Xinxiang Medical University, Xinxiang 453003, China
| | - Zhenzhen Cao
- School of Public Health, Xinxiang Medical University, Xinxiang 453003, China
| | - Ao Guo
- School of Public Health, Xinxiang Medical University, Xinxiang 453003, China
| | - Chunjie Li
- Xinxiang Key Laboratory of Molecular Neurology, School of Basic Medical Sciences, Xinxiang Medical University, Xinxiang 453003, China
| | - Haojing Yao
- School of Public Health, Xinxiang Medical University, Xinxiang 453003, China
| | - Peng Yuan
- School of Public Health, Xinxiang Medical University, Xinxiang 453003, China.
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4
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Johnson W, Bergfeld WF, Belsito DV, Hill RA, Klaassen CD, Liebler DC, Marks JG, Shank RC, Slaga TJ, Snyder PW, Fiume M, Heldreth B. Safety Assessment of Alkanoyl Lactyl Lactate Salts as Used in Cosmetics. Int J Toxicol 2024:10915818241259694. [PMID: 39039928 DOI: 10.1177/10915818241259694] [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: 07/24/2024]
Abstract
The Expert Panel for Cosmetic Ingredient Safety (Panel) reviewed the safety of 10 alkanoyl lactyl lactate salts. These ingredients have the surfactant function in cosmetics in common. The Panel reviewed data relevant to the safety of these ingredients, and concluded that these 10 ingredients are safe in cosmetics in the present practices of use and concentration described in the safety assessment when formulated to be nonirritating and nonsensitizing, which may be based on a quantitative risk assessment (QRA) or other accepted methodologies.
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Affiliation(s)
- Wilbur Johnson
- Cosmetic Ingredient Review Former Senior Scientific Analyst/Writer
| | | | | | - Ronald A Hill
- Expert Panel for Cosmetic Ingredient Safety Former Member
| | | | | | - James G Marks
- Expert Panel for Cosmetic Ingredient Safety Former Member
| | - Ronald C Shank
- Expert Panel for Cosmetic Ingredient Safety Former Member
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5
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Sintès M, Kovjenic P, Haine (Hablal) L, Serror K, Beladjine M, Parietti (Montcuquet) V, Delagrange M, Ducos B, Bouaziz JD, Boccara D, Mimoun M, Bensussan A, Bagot M, Huang N, Michel L. Coencapsulation of Immunosuppressive Drug with Anti-Inflammatory Molecule in Pickering Emulsions as an Innovative Therapeutic Approach for Inflammatory Dermatoses. JID INNOVATIONS 2024; 4:100273. [PMID: 39045393 PMCID: PMC11264173 DOI: 10.1016/j.xjidi.2024.100273] [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: 01/13/2023] [Revised: 01/11/2024] [Accepted: 02/13/2024] [Indexed: 07/25/2024] Open
Abstract
Psoriasis is an inflammatory skin disease characterized by epidermal and immune dysfunctions. Although efficient, current topical treatments display adverse effects, including skin atrophy and burning sensation, leading to poor patient adherence. To overcome these downsides, pickering emulsions were formulated in which the calcitriol-containing dispersed phase was stabilized with either cyclosporin A- or tacrolimus-loaded poly(lactic-co-glycolic) acid nanoparticles. This study aimed to investigate their biological effects on lymphocytes and epidermal cells and their effectiveness in an imiquimod-induced psoriasis-like mouse model. Results showed that both emulsions significantly inhibited nuclear factor of activated T cell translocation in T lymphocytes as well as their IL-2 production, cell activation, and proliferation. In keratinocytes, inhibition of nuclear factor of activated T cell translocation decreased the production of IL-8 and TNF-α. Topical application of emulsions over skin biopsies ex vivo showed accumulation of rhodamin B-coupled poly(lactic-co-glycolic) acid nanoparticles throughout the epidermis by immunofluorescence and significantly decreased the antigen-presenting capacity of Langerhans cells in relation to a reduced expression of activation markers CD40, CD86, and HLA-DR. Using an imiquimod-induced psoriasis model in vivo, pickering emulsions significantly alleviated psoriasiform lesions potentially attributed to the decreased cutaneous expression of T-cell markers, proinflammatory cytokines, chemokines, and specific epidermal cell genes. Altogether, pickering emulsion might be a very efficient formulation for treating inflammatory dermatoses.
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Affiliation(s)
- Maxime Sintès
- Inserm UMR_U976, University Paris Cité, Skin Research Center, Hôpital Saint-Louis, Paris, France
| | - Petra Kovjenic
- University Paris Saclay, CNRS, Institut Galien Paris-Saclay, Orsay, France
| | - Liasmine Haine (Hablal)
- Inserm UMR_U976, University Paris Cité, Skin Research Center, Hôpital Saint-Louis, Paris, France
| | - Kevin Serror
- Department of Reconstructive and Plastic Surgery, Hôpital Saint-Louis, Paris, France
| | - Mohamed Beladjine
- University Paris Saclay, CNRS, Institut Galien Paris-Saclay, Orsay, France
| | | | - Marine Delagrange
- High Throughput qPCR Core Facility, École Normale Supérieure, Université Paris Sciences & Lettres, Paris, France
| | - Bertrand Ducos
- High Throughput qPCR Core Facility, École Normale Supérieure, Université Paris Sciences & Lettres, Paris, France
| | - Jean-David Bouaziz
- Inserm UMR_U976, University Paris Cité, Skin Research Center, Hôpital Saint-Louis, Paris, France
- Department of Dermatology, Hôpital Saint-Louis, Paris, France
| | - David Boccara
- Department of Reconstructive and Plastic Surgery, Hôpital Saint-Louis, Paris, France
| | - Maurice Mimoun
- Department of Reconstructive and Plastic Surgery, Hôpital Saint-Louis, Paris, France
| | - Armand Bensussan
- Inserm UMR_U976, University Paris Cité, Skin Research Center, Hôpital Saint-Louis, Paris, France
| | - Martine Bagot
- Inserm UMR_U976, University Paris Cité, Skin Research Center, Hôpital Saint-Louis, Paris, France
- Department of Dermatology, Hôpital Saint-Louis, Paris, France
| | - Nicolas Huang
- University Paris Saclay, CNRS, Institut Galien Paris-Saclay, Orsay, France
| | - Laurence Michel
- Inserm UMR_U976, University Paris Cité, Skin Research Center, Hôpital Saint-Louis, Paris, France
- Department of Dermatology, Hôpital Saint-Louis, Paris, France
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6
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Steiner K, Josef Schmolz J, Hoang F, Wolf H, Seiser S, Elbe-Bürger A, Klang V. Surfactants for stabilization of dermal emulsions and their skin compatibility under UVA irradiation: Diacyl phospholipids and polysorbate 80 result in high viability rates of primary human skin cells. Int J Pharm 2024; 653:123903. [PMID: 38350500 DOI: 10.1016/j.ijpharm.2024.123903] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2023] [Revised: 01/25/2024] [Accepted: 02/09/2024] [Indexed: 02/15/2024]
Abstract
Phospholipids are versatile formulation compounds with high biocompatibility. However, no data on their effect on skin in combination with UVA radiation exist. Thus, it was the aim of this work to (i) develop o/w nanoemulsions (NEs) differing in surfactant type and to investigate their physicochemical stability at different storage temperatures, (ii) establish a standardized protocol for in vitro phototoxicity testing using primary human skin cells and (iii) investigate the phototoxicity of amphoteric phospholipids (S45, S75, E80, S100, LPC80), sodium lauryl ether sulfate (SLES) and polysorbate 80 (PS80). Satisfying systems were developed with all surfactants except S100 due to low zeta potential (-21.4 mV ± 4.69). SLES and PS80-type NEs showed the highest stability after eight weeks; temperature-dependent variations in storage stability were most noticeable for phospholipid surfactants. For phospholipid-based NEs, higher phosphatidylcholine content led to unstable formulations. Phototoxicity assays with primary skin fibroblasts confirmed the lack of UVA-related phototoxicity but revealed cytotoxic effects of LPC80 and SLES, resulting in cell viability as low as 2.7 % ±0.78 and 1.9 % ±1.57 compared to the control. Our findings suggest that surfactants S45, S75 and PS80 are the most promising candidates for skin-friendly emulsifiers in sensitive applications involving exposure to UV light.
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Affiliation(s)
- Katja Steiner
- University of Vienna, Department of Pharmaceutical Sciences, Division of Pharmaceutical Technology and Biopharmaceutics, Josef-Holaubek-Platz 2, 1090 Vienna, Austria
| | - Jakob Josef Schmolz
- University of Vienna, Department of Pharmaceutical Sciences, Division of Pharmaceutical Technology and Biopharmaceutics, Josef-Holaubek-Platz 2, 1090 Vienna, Austria
| | - Felisa Hoang
- University of Vienna, Department of Pharmaceutical Sciences, Division of Pharmaceutical Technology and Biopharmaceutics, Josef-Holaubek-Platz 2, 1090 Vienna, Austria
| | - Hanna Wolf
- University of Vienna, Department of Pharmaceutical Sciences, Division of Pharmaceutical Technology and Biopharmaceutics, Josef-Holaubek-Platz 2, 1090 Vienna, Austria
| | - Saskia Seiser
- Medical University of Vienna, Department of Dermatology, Währinger Gürtel 18-20, 1090 Vienna, Austria
| | - Adelheid Elbe-Bürger
- Medical University of Vienna, Department of Dermatology, Währinger Gürtel 18-20, 1090 Vienna, Austria
| | - Victoria Klang
- University of Vienna, Department of Pharmaceutical Sciences, Division of Pharmaceutical Technology and Biopharmaceutics, Josef-Holaubek-Platz 2, 1090 Vienna, Austria.
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Le-Vinh B, Le NMN, Phan TNQ, Lam HT, Bernkop-Schnürch A. Effects of excipients on the interactions of self-emulsifying drug delivery systems with human blood plasma and plasma membranes. Drug Deliv Transl Res 2024:10.1007/s13346-024-01541-w. [PMID: 38411893 DOI: 10.1007/s13346-024-01541-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/07/2024] [Indexed: 02/28/2024]
Abstract
Due to its versatility in formulation and manufacturing, self-emulsifying drug delivery systems (SEDDS) can be used to design parenteral formulations. Therefore, it is necessary to understand the effects of excipients on the behavior of SEDDS formulations upon parenteral administration, particularly their interactions with blood plasma and cell membranes. In this study, we prepared three neutrally charged SEDDS formulations composed of medium-chain triglycerides as the oil phase, polyoxyl-35 castor oil (EL35) and polyethylene glycol (15)-hydroxystearate (HS15) as the nonionic surfactants, medium-chain mono- and diglycerides as the co-surfactant, and propylene glycol as the co-solvent. The cationic surfactant, didodecyldimethylammonium bromide (DDA), and the anionic surfactant, sodium deoxycholate (DEO), were added to the neutral SEDDS preconcentrates to obtain cationic and anionic SEDDS, respectively. SEDDS were incubated with human blood plasma and recovered by size exclusion chromatography. Data showed that SEDDS emulsion droplets can bind plasma protein to different extents depending on their surface charge and surfactant used. At pH 7.4, the least protein binding was observed with anionic SEDDS. Positive charges increased protein binding. SEDDS stabilized by HS15 can adsorb more plasma protein and induce more plasma membrane disruption activity than SEDDS stabilized by EL35. These effects were more pronounced with the HS15 + DDA combination. The addition of DDA and DEO to SEDDS increased plasma membrane disruption (PMD) activities, and DDA (1% w/w) was more active than DEO (2% w/w). PMD activities of SEDDS were concentration-dependent and vanished at appropriate dilution ratios.
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Affiliation(s)
- Bao Le-Vinh
- Department of Pharmaceutical Technology, Institute of Pharmacy, University of Innsbruck, Innrain 80/82, Innsbruck, 6020, Austria
- Department of Industrial Pharmacy, Faculty of Pharmacy, University of Medicine and Pharmacy, Ho Chi Minh, 700000, Viet Nam
| | - Nguyet-Minh Nguyen Le
- Department of Pharmaceutical Technology, Institute of Pharmacy, University of Innsbruck, Innrain 80/82, Innsbruck, 6020, Austria
- Department of Industrial Pharmacy, Faculty of Pharmacy, University of Medicine and Pharmacy, Ho Chi Minh, 700000, Viet Nam
| | - Thi Nhu Quynh Phan
- Department of Pharmaceutical Technology, Institute of Pharmacy, University of Innsbruck, Innrain 80/82, Innsbruck, 6020, Austria
| | - Hung Thanh Lam
- Department of Pharmaceutical Technology, Institute of Pharmacy, University of Innsbruck, Innrain 80/82, Innsbruck, 6020, Austria
- Department of Pharmaceutical Technology, Faculty of Pharmacy, Can Tho University of Medicine and Pharmacy, Can Tho, Viet Nam
| | - Andreas Bernkop-Schnürch
- Department of Pharmaceutical Technology, Institute of Pharmacy, University of Innsbruck, Innrain 80/82, Innsbruck, 6020, Austria.
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Li G, Li J, Lee YY, Qiu C, Zeng X, Wang Y. Pickering emulsions stabilized by chitosan-flaxseed gum-hyaluronic acid nanoparticles for controlled topical release of ferulic acid. Int J Biol Macromol 2024; 255:128086. [PMID: 37981278 DOI: 10.1016/j.ijbiomac.2023.128086] [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: 09/18/2023] [Revised: 11/06/2023] [Accepted: 11/12/2023] [Indexed: 11/21/2023]
Abstract
Chitosan (CS) based nanoparticles (NPs) were fabricated via an ionic gelation reaction modified by flaxseed gum (FG) or sodium tripolyphosphate (STPP). The average particle size, morphology, interfacial tension, and wettability of NPs were characterized. The particle size of CS-STPP-HA (hyaluronic acid)-FA (ferulic acid) NPs and CS-FG-HA-FA NPs was 400.8 nm and 262.4 nm, respectively under the optimized conditions of CS/STPP = 5:1 (w/w) or CS/FG = 1:1 (v/v) with HA concentration of 0.25 mg/mL and FA dosage of 25 μM. FG acted as a good alternative for STPP to form particles with CS in stabilizing Pickering emulsion with an internal diacylglycerol (DAG) phase of 50-80 % (v/v). The complex nanoparticles had high surface activity and contact angle close to 90 °C, being able to tightly packed at the droplet surface. The emulsions had high thermal, ionic and oxidative stability. With the aid of moisturizing polysaccharides and DAG oil, the emulsions had a good sustained-release ability for FA with deeper penetration and retention into the dermis of the skin. Thus, FG and HA-based NPs serve as green vehicles for the fabrication of novel Pickering emulsions and possess great potential to be applied as a delivery system for lipophilic active agents in functional food and cosmetic products.
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Affiliation(s)
- Guanghui Li
- JNU-UPM International Joint Laboratory on Plant Oil Processing and Safety, Department of Food Science and Engineering, Jinan University, Guangzhou 510632, China; Guangdong Engineering Technology Research Center for Cereal and Oil Byproduct Biorefinery, Guangzhou 510632, China; Guangdong Provincial Key Laboratory of Lingnan Specialty Food Science and Technology, Key Laboratory of Green Processing and Intelligent Manufacturing of Lingnan Specialty Food, Ministry of Agriculture, College of Light Industry and Food Sciences, Zhongkai University of Agriculture and Engineering, Guangzhou 510225, China
| | - Junle Li
- JNU-UPM International Joint Laboratory on Plant Oil Processing and Safety, Department of Food Science and Engineering, Jinan University, Guangzhou 510632, China; Guangdong Engineering Technology Research Center for Cereal and Oil Byproduct Biorefinery, Guangzhou 510632, China
| | - Yee-Ying Lee
- School of Science, Monash University Malaysia, 47500 Bandar Sunway, Selangor, Malaysia
| | - Chaoying Qiu
- JNU-UPM International Joint Laboratory on Plant Oil Processing and Safety, Department of Food Science and Engineering, Jinan University, Guangzhou 510632, China; Guangdong Engineering Technology Research Center for Cereal and Oil Byproduct Biorefinery, Guangzhou 510632, China.
| | - Xiaofang Zeng
- Guangdong Provincial Key Laboratory of Lingnan Specialty Food Science and Technology, Key Laboratory of Green Processing and Intelligent Manufacturing of Lingnan Specialty Food, Ministry of Agriculture, College of Light Industry and Food Sciences, Zhongkai University of Agriculture and Engineering, Guangzhou 510225, China
| | - Yong Wang
- JNU-UPM International Joint Laboratory on Plant Oil Processing and Safety, Department of Food Science and Engineering, Jinan University, Guangzhou 510632, China; Guangdong Engineering Technology Research Center for Cereal and Oil Byproduct Biorefinery, Guangzhou 510632, China.
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9
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Souza IDL, Saez V, Mansur CRE. Lipid nanoparticles containing coenzyme Q10 for topical applications: An overview of their characterization. Colloids Surf B Biointerfaces 2023; 230:113491. [PMID: 37574615 DOI: 10.1016/j.colsurfb.2023.113491] [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: 03/02/2023] [Revised: 07/03/2023] [Accepted: 07/31/2023] [Indexed: 08/15/2023]
Abstract
The coenzyme Q10 is a compound widely used in pharmaceutical and cosmetic formulations because it is a potent eliminator of free radicals, giving it antioxidant and anti-aging properties. It is naturally synthesized by the human body, but its production wanes with age, leading to the formation of wrinkles. The efficacy of topical application of the coenzyme to counteract this process is subject to several difficulties, due to its instability in the presence of light, low solubility in water and high lipophilicity. Because of these drawbacks, many studies have been conducted of release systems. Lipid nanoparticles stand out in this sense due to the advantages of skin compatibility, protection of the active ingredient against degradation in the external medium, capacity to increase penetration of that ingredient in the skin, and its controlled and prolonged release. In this context, this article presents a review of the main studies of the coenzyme Q10 encapsulated in lipid nanoparticles for topical use, focusing on the analytic methods used to characterize the systems regarding morphology, zeta potential, release profile, Q10 content, encapsulation efficiency, crystalline organization and structure of the lipid matrix, rheology, antioxidant activity, skin penetration and efficacy, among other aspects. We also describe the main results of the different studies and discuss the critical aspects - the simplest, most reproducible, best, and most relevant - that characterize lipid nanoparticles with encapsulated Q10 for topical use.
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Affiliation(s)
- Ingrid D L Souza
- Universidade Federal do Rio de Janeiro, Instituto de Macromoléculas/Laboratório de Macromoleculas e Coloides na Indústria de Petróleo, Cidade Universitária, Rua Moniz Aragão, 360. Bloco 8G-CT2, CEP 21941-594 Rio de Janeiro, RJ, Brazil
| | - Vivian Saez
- Universidade Federal do Rio de Janeiro, Instituto de Química, Departamento de Química Analítica, Cidade Universitária, CEP 21941-909 Rio de Janeiro, RJ, Brazil.
| | - Claudia R E Mansur
- Universidade Federal do Rio de Janeiro, Instituto de Macromoléculas/Laboratório de Macromoleculas e Coloides na Indústria de Petróleo, Cidade Universitária, Rua Moniz Aragão, 360. Bloco 8G-CT2, CEP 21941-594 Rio de Janeiro, RJ, Brazil; Universidade Federal do Rio de Janeiro, Programa de Engenharia Metalúrgica e de Materiais-PEMM/COPPE, Brazil
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10
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Gould S, Templin MV. Off target toxicities and links with physicochemical properties of medicinal products, including antibiotics, oligonucleotides, lipid nanoparticles (with cationic and/or anionic charges). Data review suggests an emerging pattern. Toxicol Lett 2023; 384:14-29. [PMID: 37454775 DOI: 10.1016/j.toxlet.2023.07.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2023] [Revised: 07/10/2023] [Accepted: 07/12/2023] [Indexed: 07/18/2023]
Abstract
Toxicology is an essential part of any drug development plan. Circumnavigating the risk of failure because of a toxicity issue can be a challenge, and failure in late development is extremely costly. To identify potential risks, it requires more than just understanding the biological target. The toxicologist needs to consider a compound's structure, it's physicochemical properties (including the impact of the overall formulation), as well as the biological target (e.g., receptor interactions). Understanding the impact of the physicochemical properties can be used to predict potential toxicities in advance by incorporating key endpoints in early screening strategies and/or used to compare toxicity profiles across lead candidates. This review discussed the risks of off-target and/or non-specific toxicities that may be associated with the physicochemical properties of compounds, especially those carrying dominant positive or negative charges, including amphiphilic small molecules, peptides, oligonucleotides and lipids/liposomes/lipid nanoparticles. The latter of which are being seen more and more in drug development, including the recent Covid pandemic, where mRNA and lipid nanoparticle technology is playing more of a role in vaccine development. The translation between non-clinical and clinical data is also considered, questioning how a physicochemical driven toxicity may be more universal across species, which means that such toxicity may be reassuringly translatable between species and as such, this information may also be considered as a support to the 3 R's, particularly in the early screening stages of a drug development plan.
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11
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Jyothi VGS, Veerabomma H, Kumar R, Khatri DK, Singh SB, Madan J. Meloxicam emulgel potently suppressed cartilage degradation in knee osteoarthritis: Optimization, formulation, industrial scalability and pharmacodynamic analysis. Colloids Surf B Biointerfaces 2023; 228:113399. [PMID: 37348266 DOI: 10.1016/j.colsurfb.2023.113399] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2023] [Revised: 06/07/2023] [Accepted: 06/08/2023] [Indexed: 06/24/2023]
Abstract
BACKGROUND AND OBJECTIVE Meloxicam (MLX) is prescribed for the management of pain and inflammation allied with osteoarthritis (OA). However, MLX causes intestinal damage in long term administration. Hence, meloxicam loaded emulgel (MLX-emulgel) was optimized, formulated and examined under stringent parameters in monosodium-iodoacetate (MIA) induced knee OA in Wistar rats. METHODS AND RESULTS Nanoemulsion of MLX was fabricated by ultrasonication and microfluidization method with a droplet size of 66.81 ± 5.31-nm and zeta potential of -24.6 ± 0.72-mV. Further, MLX nanoemulsion was optimized with centrifugation, heating-cooling cycles and transmittance parameters in addition to scale-up feasibility with microfluidizer. Post optimization, MLX-nanoemulsion was tailored as emulgel with Carbopol Ultrez 10 NF and assessed for pH, rheology, textural properties, assay and stability features. The in-vitro release study revealed the Korsmeyer-Peppas release kinetics and ex-vivo skin permeation was improved by 6.71-folds. The skin distribution of MLX-emulgel evinced the transfollicular mode of permeation. In-vivo study indicated the protective action of MLX-emulegl expressed in terms of inflammatory cyctokines level, X-ray analysis of knee joints of rats, histopathology and OARSI (Osteoarthritis Research Society International) scoring. MLX-emulgel treated group displayed lower (P < 0.001) level of COX-2 intensity as compared to positive control group. However, it was comparable (P > 0.05) to the normal control group, MLX oral dispersion, i.v. solution and etoricoxib gel groups. MLX-emulgel showcased an alternative to the long term usage of analgesics for relieving the symptoms of knee OA. CONCLUSION MLX-emulgel may be a potential candidate for translating in to a clinically viable dosage form in the management of knee OA.
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Affiliation(s)
- Vaskuri Gs Sainaga Jyothi
- Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research, Hyderabad, Telangana, India
| | - Harithasree Veerabomma
- Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research, Hyderabad, Telangana, India
| | - Rahul Kumar
- Department of Biological Sciences, National Institute of Pharmaceutical Education and Research, Hyderabad, Telangana, India
| | - Dharmendra Kumar Khatri
- Department of Biological Sciences, National Institute of Pharmaceutical Education and Research, Hyderabad, Telangana, India
| | - Shashi Bala Singh
- Department of Biological Sciences, National Institute of Pharmaceutical Education and Research, Hyderabad, Telangana, India
| | - Jitender Madan
- Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research, Hyderabad, Telangana, India.
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12
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Simon L, De Taddeo M, Coeurvolan A, Colpaert M, Richard J, Devoisselle JM, Morille M, Marcotte N, Bégu S, Lapinte V. Various lipid anchors on amphiphilic polyoxazolines to reach efficient intracellular delivery. Int J Pharm 2023:123103. [PMID: 37277088 DOI: 10.1016/j.ijpharm.2023.123103] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2023] [Revised: 05/30/2023] [Accepted: 06/01/2023] [Indexed: 06/07/2023]
Abstract
This work aimed at evaluating the potential of amphiphilic polyoxazolines bearing lipid chain called lipopolyoxazolines to reach efficient intracellular delivery. Four lipid chains: linear saturated, linear unsaturated and two branched one of various length were associated to poly(2-methyl-2-oxazoline) block. The evaluation of their physicochemical features and their impact on cell viability and internalization capacity indicated that the linear saturated gathered the highest cell internalization with a good cell viability. Its intracellular delivery capacity was compared to the PEG reference (DSPE-PEG) after being formulated in liposomes and loaded with fluorescent probe. Both POxylated and PEGylated liposomes showed similar characteristics regarding size distribution, drug loading and cell viability. However, their intracellular delivery was dramatically different, with an improved delivery by 30 folds for the POxylated ones. This significantly better performance highlighted the difficulty of PEGylated liposomes to enter the cells by endocytosis, contrary to POxylated liposomes. This study promotes the value of lipopoly(oxazoline) as a lipopoly(ethylene glycol) alternative for effective intracellular delivery and holds great promises for development of nanoformulations for intravenous administration.
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Affiliation(s)
- L Simon
- ICGM, Univ. Montpellier, CNRS, ENSCM, Montpellier, France
| | - M De Taddeo
- ICGM, Univ. Montpellier, CNRS, ENSCM, Montpellier, France
| | - A Coeurvolan
- ICGM, Univ. Montpellier, CNRS, ENSCM, Montpellier, France
| | - M Colpaert
- ICGM, Univ. Montpellier, CNRS, ENSCM, Montpellier, France
| | - J Richard
- ICGM, Univ. Montpellier, CNRS, ENSCM, Montpellier, France
| | | | - M Morille
- ICGM, Univ. Montpellier, CNRS, ENSCM, Montpellier, France
| | - N Marcotte
- ICGM, Univ. Montpellier, CNRS, ENSCM, Montpellier, France
| | - S Bégu
- ICGM, Univ. Montpellier, CNRS, ENSCM, Montpellier, France
| | - V Lapinte
- ICGM, Univ. Montpellier, CNRS, ENSCM, Montpellier, France.
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13
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Beladjine M, Albert C, Sintès M, Mekhloufi G, Gueutin C, Nicolas V, Canette A, Trichet M, Tsapis N, Michel L, Agnely F, Huang N. Pickering Emulsions Stabilized With Biodegradable Nanoparticles For The Co-Encapsulation Of Two Active Pharmaceutical Ingredients. Int J Pharm 2023; 637:122870. [PMID: 36948471 DOI: 10.1016/j.ijpharm.2023.122870] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Revised: 03/14/2023] [Accepted: 03/15/2023] [Indexed: 03/24/2023]
Abstract
Innovative Pickering emulsions co-encapsulating two active pharmaceutical ingredients (API) were formulated for a topical use. An immunosuppressive agent, either cyclosporine A (CysA) or tacrolimus (TAC), was encapsulated at high drug loading in biodegradable and biocompatible poly (lactic-co-glycolic acid) (PLGA) nanoparticles (NP). These NP stabilized the oil droplets (Miglyol) containing an anti-inflammatory drug, calcitriol (CAL). The influence of the API on the physico-chemical properties of these emulsions were studied. Emulsions formulated with or without API had a similar macroscopic and microscopic structure, as well as interfacial properties, and they exhibited a good stability for at least 55 days. The emulsions did not alter the viability of human keratinocytes (HaCaT cell line) after 2 and 5 days of exposure to NP concentrations equivalent to efficient API dosages. Thus, these new Pickering emulsions appear as a promising multidrug delivery system for the treatment of chronical inflammatory skin diseases.
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Affiliation(s)
- Mohamed Beladjine
- Université Paris-Saclay, CNRS, Institut Galien Paris-Saclay, 91400, Orsay, France
| | - Claire Albert
- Université Paris-Saclay, CNRS, Institut Galien Paris-Saclay, 91400, Orsay, France
| | - Maxime Sintès
- Université Paris-Cité, Inserm, UMR-S 976 HIPI, Service de Dermatologie, Hôpital Saint Louis, 75010, Paris, France
| | - Ghozlene Mekhloufi
- Université Paris-Saclay, CNRS, Institut Galien Paris-Saclay, 91400, Orsay, France
| | - Claire Gueutin
- Université Paris-Saclay, CNRS, Institut Galien Paris-Saclay, 91400, Orsay, France
| | - Valérie Nicolas
- Université Paris-Saclay, SFR-UMS-IPSIT, Plateforme d'imagerie cellulaire MIPSIT, 91400, Orsay, France
| | - Alexis Canette
- Sorbonne Université, CNRS, Institut de Biologie Paris-Seine (IBPS), Service de microscopie électronique (IBPS-SME), F-75005, Paris
| | - Michaël Trichet
- Sorbonne Université, CNRS, Institut de Biologie Paris-Seine (IBPS), Service de microscopie électronique (IBPS-SME), F-75005, Paris
| | - Nicolas Tsapis
- Université Paris-Saclay, CNRS, Institut Galien Paris-Saclay, 91400, Orsay, France
| | - Laurence Michel
- Université Paris-Cité, Inserm, UMR-S 976 HIPI, Service de Dermatologie, Hôpital Saint Louis, 75010, Paris, France
| | - Florence Agnely
- Université Paris-Saclay, CNRS, Institut Galien Paris-Saclay, 91400, Orsay, France
| | - Nicolas Huang
- Université Paris-Saclay, CNRS, Institut Galien Paris-Saclay, 91400, Orsay, France.
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14
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Hazt B, Pereira Parchen G, Fernanda Martins do Amaral L, Rondon Gallina P, Martin S, Hess Gonçalves O, Alves de Freitas R. Unconventional and conventional Pickering emulsions: Perspectives and challenges in skin applications. Int J Pharm 2023; 636:122817. [PMID: 36905974 DOI: 10.1016/j.ijpharm.2023.122817] [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: 09/30/2022] [Revised: 02/27/2023] [Accepted: 03/06/2023] [Indexed: 03/13/2023]
Abstract
Pickering emulsions are free from molecular and classical surfactants and are stabilized by solid particles, creating long-term stability against emulsion coalescence. Additionally, these emulsions are both environmentally and skin-friendly, creating new and unexplored sensorial perceptions. Although the literature mostly describes conventional emulsions (oil-in-water), there are unconventional emulsions (multiple, oil-in-oil and water-in-water) with excellent prospects and challenges in skin application as oil-free systems, permeation enhancers and topical drug delivery agents, with various possibilities in pharmaceutical and cosmetic products. However, up to now, these conventional and unconventional Pickering emulsions are not yet available as commercial products. This review brings to the discussion some important aspects such as the use of phases, particles, rheological and sensorial perception, as well as current trends in the development of these emulsions.
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Affiliation(s)
- Bianca Hazt
- Chemistry Department, Universidade Federal do Paraná (UFPR), R. Coronel F. H. dos Santos, 210, Curitiba - 81531-980, PR, Brazil.
| | - Gabriela Pereira Parchen
- Department of Pharmacy, Universidade Federal do Paraná (UFPR), Av. Pref. Lothário Meissner, 632, Curitiba - 80210-170, PR, Brazil.
| | | | - Patrícia Rondon Gallina
- Department of Pharmacy, Universidade Federal do Paraná (UFPR), Av. Pref. Lothário Meissner, 632, Curitiba - 80210-170, PR, Brazil
| | - Sandra Martin
- Mackenzie School of Medicine, R. Padre Anchieta, 2770, Curitiba - 80730-000, PR, Brazil
| | - Odinei Hess Gonçalves
- Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Campus de Santa Apolónia, 5300-253 Bragança, Portugal; Post-Graduation Program of Food Technology, Federal University of Technology - Paraná, Via Rosalina Maria Dos Santos, 1233, Campo Mourão - 87301-899, PR, Brazil.
| | - Rilton Alves de Freitas
- Department of Pharmacy, Universidade Federal do Paraná (UFPR), Av. Pref. Lothário Meissner, 632, Curitiba - 80210-170, PR, Brazil.
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15
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Snoch W, Jarek E, Milivojevic D, Nikodinovic-Runic J, Guzik M. Physicochemical studies of novel sugar fatty acid esters based on ( R)-3-hydroxylated acids derived from bacterial polyhydroxyalkanoates and their potential environmental impact. Front Bioeng Biotechnol 2023; 11:1112053. [PMID: 36845180 PMCID: PMC9947713 DOI: 10.3389/fbioe.2023.1112053] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Accepted: 01/16/2023] [Indexed: 02/11/2023] Open
Abstract
Sugar fatty acids esters are popular compounds widely used in both the nutritional, cosmetic and pharmaceutical industries due to their amphiphilic structure and consequent ability to reduce the surface tension of solutions. Furthermore, an important aspect in the implementation of any additives and formulations is their environmental impact. The properties of the esters depend on the type of sugar used and the hydrophobic component. In this work, selected physicochemical properties of new sugar esters based on lactose, glucose and galactose and hydroxy acids derived from bacterial polyhydroxyalkanoates are shown for the first time. Values for critical aggregation concentration, surface activity and pH make it possible that these esters could compete with other commercially used esters of similar chemical structure. The investigated compounds showed moderate emulsion stabilization abilities presented on the example of water-oil systems containing squalene and body oil. Their potential environmental impact appears to be low, as the esters are not toxic to Caenorhabditis elegans even at concentrations much higher than the critical aggregation concentration.
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Affiliation(s)
- Wojciech Snoch
- Jerzy Haber Institute of Catalysis, Surface Chemistry Polish Academy of Sciences, Kraków, Poland
| | - Ewelina Jarek
- Jerzy Haber Institute of Catalysis, Surface Chemistry Polish Academy of Sciences, Kraków, Poland
| | - Dusan Milivojevic
- Institute of Molecular Genetics and Genetic Engineering, University of Belgrade, Belgrade, Serbia
| | | | - Maciej Guzik
- Jerzy Haber Institute of Catalysis, Surface Chemistry Polish Academy of Sciences, Kraków, Poland,*Correspondence: Maciej Guzik,
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16
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Gonçalves RA, Holmberg K, Lindman B. Cationic surfactants: A review. J Mol Liq 2023. [DOI: 10.1016/j.molliq.2023.121335] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
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17
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Noverraz F, Robin B, Passemard S, Fauvel B, Presumey J, Rigal E, Cookson A, Chopineau J, Martineau P, Villalba M, Jorgensen C, Aubert-Pouëssel A, Morille M, Gerber-Lemaire S. Novel trehalose-based excipients for stabilizing nebulized anti-SARS-CoV-2 antibody. Int J Pharm 2023; 630:122463. [PMID: 36462738 PMCID: PMC9710110 DOI: 10.1016/j.ijpharm.2022.122463] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2022] [Revised: 11/23/2022] [Accepted: 11/27/2022] [Indexed: 12/02/2022]
Abstract
COVID-19 is caused by the infection of the lungs by SARS-CoV-2. Monoclonal antibodies, such as sotrovimab, showed great efficiency in neutralizing the virus before its internalization by lung epithelial cells. However, parenteral routes are still the preferred route of administration, even for local infections, which requires injection of high doses of antibody to reach efficacious concentrations in the lungs. Lung administration of antibodies would be more relevant requiring lower doses, thus reducing the costs and the side effects. But aerosolization of therapeutic proteins is very challenging, as the different processes available are harsh and trigger protein aggregation and conformational changes. This decreases the efficiency of the treatment, and can increase its immunogenicity. To address those issues, we developed a series of new excipients composed of a trehalose core, a succinyl side chain and a hydrophobic carbon chain (from 8 to 16 carbons). Succinylation increased the solubility of the excipients, allowing their use at relevant concentrations for protein stabilization. In particular, the excipient with 16 carbons (C16TreSuc) used at 5.6 mM was able to preserve colloidal stability and antigen-binding ability of sotrovimab during the nebulization process. It could also be used as a cryoprotectant, allowing storage of sotrovimab in a lyophilized form during weeks. Finally, we demonstrated that C16TreSuc could be used as an excipient to stabilize antibodies for the treatment against COVID-19, by in vitro and in vivo assays. The presence of C16TreSuc during nebulization preserved the neutralization capacity of sotrovimab against SARS-CoV-2 in vitro; an increase of its efficacy was even observed, compared to the non-nebulized control. The in vivo study also showed the wide distribution of sotrovimab in mice lungs, after nebulization with 5.6 mM of excipient. This work brings a solution to stabilize therapeutic proteins during storage and nebulization, making pulmonary immunotherapy possible in the treatment of COVID-19 and other lung diseases.
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Affiliation(s)
- François Noverraz
- Group for Functionalized Biomaterials, Institute of Chemical Sciences and Engineering Ecole Polytechnique Fédérale de Lausanne, EPFL SB ISIC SCI-SB-SG, Station 6, CH-1015 Lausanne, Switzerland
| | - Baptiste Robin
- MedXCell Science, Bâtiment Cyborg 1 (IRMB), Hôpital Saint-Eloi, 80 avenue Augustin Fliche, 34295 Montpellier, France
| | - Solène Passemard
- Montpellier Life Science Bâtiment Cyborg 1 (IRMB), Hôpital Saint-Eloi, 80 avenue Augustin Fliche, 34295 Montpellier, France
| | - Bénédicte Fauvel
- CYTEA BIO, Bâtiment Cyborg 1 (IRMB), Hôpital Saint-Eloi, 80 avenue Augustin Fliche, 34295 Montpellier, France
| | - Jessy Presumey
- CYTEA BIO, Bâtiment Cyborg 1 (IRMB), Hôpital Saint-Eloi, 80 avenue Augustin Fliche, 34295 Montpellier, France
| | - Emilie Rigal
- CYTEA BIO, Bâtiment Cyborg 1 (IRMB), Hôpital Saint-Eloi, 80 avenue Augustin Fliche, 34295 Montpellier, France
| | - Alan Cookson
- MedXCell SA, Av. des Planches 20C, 1820 Montreux, Suisse
| | - Joël Chopineau
- ICGM, Univ Montpellier, CNRS, ENSCM, Montpellier, France
| | | | - Martin Villalba
- IRMB, Univ Montpellier, INSERM, CNRS, CHU Montpellier, Montpellier, France
| | | | | | - Marie Morille
- ICGM, Univ Montpellier, CNRS, ENSCM, Montpellier, France.
| | - Sandrine Gerber-Lemaire
- Group for Functionalized Biomaterials, Institute of Chemical Sciences and Engineering Ecole Polytechnique Fédérale de Lausanne, EPFL SB ISIC SCI-SB-SG, Station 6, CH-1015 Lausanne, Switzerland.
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18
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Szumała P, Kaplińska J, Makurat-Kasprolewicz B, Mania S. Microemulsion Delivery Systems with Low Surfactant Concentrations: Optimization of Structure and Properties by Glycol Cosurfactants. Mol Pharm 2023; 20:232-240. [PMID: 36354760 PMCID: PMC9811459 DOI: 10.1021/acs.molpharmaceut.2c00599] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Extensive use of microemulsions as delivery systems raises interest in the safe ingredients that can form such systems. Here, we assessed the use of two glycols, i.e., propylene glycol and pentylene glycol, and their mixtures to manipulate the properties and structure of microemulsions. Obtained systems with glycols were extensively characterized in terms of capacity to incorporate water phase, droplet size, polydispersity, structure type, and rheological and thermal properties. The results of these studies indicate that the composition, structure, and viscosity of the microemulsions can be changed by appropriate quantification of glycols. It has been shown that the type of glycol used and its amount may favor or worsen the formation of microemulsions with the selected oils. In addition, a properly selected composition of oils and glycols resulted in the formation of microemulsions with a reduced content of surfactants and consequently improved the safety of using microemulsions as delivery systems.
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Affiliation(s)
- Patrycja Szumała
- Department
of Colloid and Lipid Science, Faculty of Chemistry, Gdańsk University of Technology, Narutowicza Street 11/12, 80-233 Gdańsk, Poland,. Tel: +48 58 347 1523. Fax: +48 58 348 6278
| | - Jolanta Kaplińska
- Department
of Colloid and Lipid Science, Faculty of Chemistry, Gdańsk University of Technology, Narutowicza Street 11/12, 80-233 Gdańsk, Poland
| | - Balbina Makurat-Kasprolewicz
- Department
of Colloid and Lipid Science, Faculty of Chemistry, Gdańsk University of Technology, Narutowicza Street 11/12, 80-233 Gdańsk, Poland,Faculty
of Mechanical Engineering and Ship Technology, Gdansk University of Technology, Narutowicza Street 11/12, 80-233 Gdansk, Poland
| | - Szymon Mania
- Department
of Chemistry, Technology and Biotechnology of Food, Gdansk University of Technology, Narutowicza Street 11/12, 80-233 Gdansk, Poland
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19
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Toxicity of Different Types of Surfactants via Cellular and Enzymatic Assay Systems. Int J Mol Sci 2022; 24:ijms24010515. [PMID: 36613956 PMCID: PMC9820146 DOI: 10.3390/ijms24010515] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2022] [Revised: 12/26/2022] [Accepted: 12/27/2022] [Indexed: 12/29/2022] Open
Abstract
Surfactants have a widespread occurrence, not only as household detergents, but also in their application in industry and medicine. There are numerous bioassays for assessing surfactant toxicity, but investigations of their impact on biological systems at the molecular level are still needed. In this paper, luminous marine bacteria and their coupled NAD(P)H:FMN-oxidoreductase + luciferase (Red + Luc) enzyme system was applied to examine the effects of different types of surfactants, including cationic cetyltrimethylammonium bromide (CTAB), non-ionic polyoxyethylene 20 sorbitan monooleate (Tween 80) and anionic sodium lauryl sulfate (SLS), and to assess whether the Red + Luc enzyme system can be used as a more sensitive indicator of toxicity. It was shown that the greatest inhibitory effect of the surfactants on the activity of luminous bacteria and the Red + Luc enzyme system was in the presence of SLS samples. The calculated IC50 and EC50 values of SLS were 10-5 M and 10-2 M for the enzymatic and cellular assay systems, respectively. The results highlight the benefits of using the enzymatic assay system in ecotoxicology as a tool for revealing surfactant effects on intracellular proteins if the cellular membrane is damaged under a long-term exposure period in the presence of the surfactants. For this purpose, the bioluminescent enzyme-inhibition-based assay could be used as an advanced research tool for the evaluation of surfactant toxicity at the molecular level of living organisms due to its technical simplicity and rapid response time.
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20
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Jayasankar P, KarthyayaniAmma R. Surfactants-surface active agents behind sustainable living. PHYSICAL SCIENCES REVIEWS 2022. [DOI: 10.1515/psr-2022-0130] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Abstract
Surfactants are surface active agents. They are mainly chemicals, when added to water will reduce the surface tension of water and thus increases wettability on the given surface. Surfactants normally carry hydrophilic and hydrophobic ends among which hydrophilic end connects to water layer. The hydrophobic part connects between aqueous phase and the given hydrophobic surface through the hydrophobic end. However, these surfactants act as emulsifying agents or foaming agents. Further the chemistry behind the action of surfactants is introduced for the readers. Surfactants can be classified based on origin, charge on heads, solubility of water etc. and is specified in this paper. Also synthesis of various types of surfactants is carefully incorporated in the chapter. The chapters dwells in detail the various sustainability related applications of surfactants which is relevant for sustainable living in the society.
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21
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Pouteria macrophylla Fruit Extract Microemulsion for Cutaneous Depigmentation: Evaluation Using a 3D Pigmented Skin Model. Molecules 2022; 27:molecules27185982. [PMID: 36144732 PMCID: PMC9504890 DOI: 10.3390/molecules27185982] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2022] [Revised: 09/06/2022] [Accepted: 09/09/2022] [Indexed: 11/18/2022] Open
Abstract
Here, we verify the depigmenting action of Pouteria macrophylla fruit extract (EXT), incorporate it into a safe topical microemulsion and assess its effectiveness in a 3D pigmented skin model. Melanocytes-B16F10- were used to assess the EXT effects on cell viability, melanin synthesis, and melanin synthesis-related gene transcription factor expression, which demonstrated a 32% and 50% reduction of intra and extracellular melanin content, respectively. The developed microemulsion was composed of Cremophor EL®/Span 80 4:1 (w/w), ethyl oleate, and pH 4.5 HEPES buffer and had an average droplet size of 40 nm (PdI 0.40 ± 0.07). Skin irritation test with reconstituted epidermis (Skin Ethic RHETM) showed that the formulation is non-irritating. Tyrosinase inhibition was maintained after skin permeation in vitro, in which microemulsion showed twice the inhibition of the conventional emulsion (20.7 ± 2.2% and 10.7 ± 2.4%, respectively). The depigmenting effect of the microemulsion was finally confirmed in a 3D culture model of pigmented skin, in which histological analysis showed a more pronounced effect than a commercial depigmenting formulation. In conclusion, the developed microemulsion is a promising safe formulation for the administration of cutite fruit extract, which showed remarkable depigmenting potential compared to a commercial formulation.
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22
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Rathod S, Arya S, Kanike S, Shah SA, Bahadur P, Tiwari S. Advances on nanoformulation approaches for delivering plant-derived antioxidants: A case of quercetin. Int J Pharm 2022; 625:122093. [PMID: 35952801 DOI: 10.1016/j.ijpharm.2022.122093] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2022] [Revised: 07/21/2022] [Accepted: 08/04/2022] [Indexed: 10/15/2022]
Abstract
Oxidative stress has been implicated in tumorigenic, cardiovascular, neuro-, and age-related degenerative changes. Antioxidants minimize the oxidative damage through neutralization of reactive oxygen species (ROS) and other causative agents. Ever since the emergence of COVID-19, plant-derived antioxidants have received enormous attention, particularly in the Indian subcontinent. Quercetin (QCT), a bio-flavonoid, exists in the glycosylated form in fruits, berries and vegetables. The antioxidant potential of QCT analogs relates to the number of free hydroxyl groups in their structure. Despite presence of these groups, QCT exhibits substantial hydrophobicity. Formulation scientists have tested nanotechnology-based approaches for its improved solubilization and delivery to the intended site of action. By the virtue of its hydrophobicity, QCT gets encapsulated in nanocarriers carrying hydrophobic domains. Apart from passive accumulation, active uptake of such formulations into the target cells can be facilitated through well-studied functionalization strategies. In this review, we have discussed the approaches of improving solubilization and bioavailability of QCT with the use of nanoformulations.
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Affiliation(s)
- Sachin Rathod
- UKA Tarsadia University, Maliba Pharmacy College, Gopal-Vidyanagar Campus, Surat 394350, India
| | - Shristi Arya
- Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER) - Raebareli, Lucknow 226002, India
| | - Shirisha Kanike
- Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER) - Raebareli, Lucknow 226002, India
| | - Shailesh A Shah
- UKA Tarsadia University, Maliba Pharmacy College, Gopal-Vidyanagar Campus, Surat 394350, India
| | - Pratap Bahadur
- Department of Chemistry, Veer Narmad South Gujarat University, Surat 395007, India
| | - Sanjay Tiwari
- Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER) - Raebareli, Lucknow 226002, India.
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Liu W, Ding L, Xu J, Shang Y, Wang Z, Liu H. Synthesis of sinapic acid modified sodium hyaluronate particles and the one-step processing of multiple Pickering emulsion. Colloids Surf A Physicochem Eng Asp 2022. [DOI: 10.1016/j.colsurfa.2022.128785] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Application of Xanthan Gum and Hyaluronic Acid as Dermal Foam Stabilizers. Gels 2022; 8:gels8070413. [PMID: 35877498 PMCID: PMC9321585 DOI: 10.3390/gels8070413] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2022] [Revised: 06/27/2022] [Accepted: 06/29/2022] [Indexed: 11/16/2022] Open
Abstract
Foams are increasingly popular in the field of dermatology due to their many advantages such as easy spreading, good skin sensation, and applicability in special skin conditions. One of the critical points of foam formulation is the choice of the appropriate stabilizing ingredients. One of the stability-increasing strategies is retarding the liquid drainage of liquid films from the foam structure. Therefore, our aim was the application of different hydrogel-forming polymers in order to retain the stabilizing liquid film. Dexpanthenol and niacinamide-containing foams were formulated, where xanthan gum and hyaluronic acid were used as foam-stabilizing polymers. Amplitude (LVE range) and frequency sweep (G’, G”, tanδ, and frequency dependency) were applied as structure- and stability-indicating rheological parameters. The rheological data were compared with the results of the cylinder method, microscopical images, and the spreadability measurements. The application of the gel-forming polymers increased the stability of the dermal foams (increased LVE range, G’ values, and decreased frequency dependency). These results were in correlation with the results of the cylinder and spreadability tests. It was concluded that in terms of both foam formation and stability, the combination of xanthan gum and dexpanthenol can be ideal.
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25
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Szumała P, Macierzanka A. Topical delivery of pharmaceutical and cosmetic macromolecules using microemulsion systems. Int J Pharm 2022; 615:121488. [DOI: 10.1016/j.ijpharm.2022.121488] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2021] [Revised: 01/04/2022] [Accepted: 01/13/2022] [Indexed: 01/29/2023]
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26
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Guin M, Roopa RA, Jain P, Singh NB. Heterocyclic Surfactants and Their Applications in Cosmetics. ChemistrySelect 2022. [DOI: 10.1002/slct.202103989] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Mridula Guin
- Department of Chemistry and Biochemistry Sharda University Greater Noida 201310 India
| | - R. A. Roopa
- Pooja Bhagavat Memorial Mahajana PG Centre University of Mysore Mysore 570 016 India
| | - Preeti Jain
- Department of Chemistry and Biochemistry Sharda University Greater Noida 201310 India
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27
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Chen Y, Liao M, Ma K, Wang Z, Demé B, Penfold J, Lu JR, R P Webster J, Li P. Implications of surfactant hydrophobic chain architecture on the Surfactant-Skin lipid model interaction. J Colloid Interface Sci 2022; 608:405-415. [PMID: 34628313 DOI: 10.1016/j.jcis.2021.09.098] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2021] [Revised: 09/15/2021] [Accepted: 09/18/2021] [Indexed: 10/20/2022]
Abstract
Although surfactants have been widely used in skin care and other related applications, our knowledge about how surfactants interact with stratum corneum (SC) lipids remains limited. This work reports how surfactants interact with a lipid SC model by neutron diffraction and molecular dynamics (MD) simulations, focusing on examining the impact of surfactant molecular architecture. The surfactant-SC mixed membrane was constructed by an equimolar mixture of ceramide/cholesterol/fatty acids and surfactant at 1% molar ratio of total lipids. The arrangements of water and surfactant molecules in the membrane were obtained through neutron scattering length density (NSLD) profiles via contrast variation method, meanwhile, MD simulation clearly demonstrated the mechanism of hydration change in the surfactant-model SC mixed membrane. No drastic difference was detected in the repeating distance of the short periodicity phase (SPP) upon adding surfactants, however, it significantly enhanced the membrane hydration and reduced the amount of phase separated crystalline cholesterol, showing a strong dependence on surfactant chain length, branching and double bond. This work clearly demonstrates how surfactant architecture affects its interaction with the SC membrane, providing useful guidance for either choosing an existing surfactant or designing a new one for surfactant-based transdermal application.
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Affiliation(s)
- Yao Chen
- ISIS Facility, Rutherford Appleton Laboratory, STFC, Didcot, OXON, UK OX11 0QX
| | - Mingrui Liao
- Department of Physics & Astronomy, the University of Manchester, Manchester M13 9PL, UK
| | - Kun Ma
- ISIS Facility, Rutherford Appleton Laboratory, STFC, Didcot, OXON, UK OX11 0QX
| | - Zi Wang
- School of Science, State Key Laboratory of Heavy Oil Processing, China University of Petroleum , Qingdao 266580, China
| | - Bruno Demé
- Institut Laue-Langevin, Grenoble, France
| | - Jeff Penfold
- ISIS Facility, Rutherford Appleton Laboratory, STFC, Didcot, OXON, UK OX11 0QX
| | - Jian R Lu
- Department of Physics & Astronomy, the University of Manchester, Manchester M13 9PL, UK
| | - John R P Webster
- ISIS Facility, Rutherford Appleton Laboratory, STFC, Didcot, OXON, UK OX11 0QX
| | - Peixun Li
- ISIS Facility, Rutherford Appleton Laboratory, STFC, Didcot, OXON, UK OX11 0QX.
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Mitsou E, Theochari I, Vassiliadi E, Nallet F, Xenakis A. Short-wave and near infrared π-conjugated polymers hosted in a biocompatible microemulsion: a pioneering approach for photoacoustic contrast agents. J Mater Chem B 2022; 10:2680-2690. [PMID: 35079759 DOI: 10.1039/d1tb02257a] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
In the present study a biocompatible oil-in-water (O/W) microemulsion was developed carrying short-wave infrared (SWIR) π-conjugated polymers and possessing photoacoustic properties for the first time. SWIR and NIR absorbing conjugated polymers were accomplished to be dissolved in a Food & Drug Administration (FDA) approved natural oil limonene, to formulate an O/W microemulsion using biocompatible surfactants (Span80, Labrasol®). Detailed structural characterization in the absence and presence of the polymers was performed by means of dynamic light scattering (DLS), small-angle X-ray scattering (SAXS) and electron paramagnetic resonance (EPR) spectroscopy. In terms of biological evaluation of the loaded microemulsions, inhibition of cell proliferation in various cancer cell lines without exhibiting significant cytotoxicity was tested through the MTT assay. The developed π-conjugated polymers hosted in O/W microemulsions represent a technological approach with a wide range of biomedical and bioelectronic applications and in this contribution, their photoacoustic properties are presented as a proof-of-concept.
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Affiliation(s)
- Evgenia Mitsou
- Institute of Chemical Biology, National Hellenic Research Foundation, 48 Vassileos Constantinou Avenue, Athens, 11635, Greece.
| | - Ioanna Theochari
- Institute of Chemical Biology, National Hellenic Research Foundation, 48 Vassileos Constantinou Avenue, Athens, 11635, Greece.
| | - Evdokia Vassiliadi
- Institute of Chemical Biology, National Hellenic Research Foundation, 48 Vassileos Constantinou Avenue, Athens, 11635, Greece. .,Biotechnology Laboratory, Department of Biological Applications and Technologies, University of Ioannina, 45110 Ioannina, Greece
| | - Frédéric Nallet
- Centre de Recherche Paul Pascal - CNRS, University of Bordeaux, 33600 Pessac, France
| | - Aristotelis Xenakis
- Institute of Chemical Biology, National Hellenic Research Foundation, 48 Vassileos Constantinou Avenue, Athens, 11635, Greece.
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29
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Peito S, Peixoto D, Ferreira-Faria I, Margarida Martins A, Margarida Ribeiro H, Veiga F, Marto J, Cláudia Santos A. Nano- and microparticle-stabilized Pickering emulsions designed for topical therapeutics and cosmetic applications. Int J Pharm 2022; 615:121455. [PMID: 35031412 DOI: 10.1016/j.ijpharm.2022.121455] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2021] [Revised: 01/03/2022] [Accepted: 01/05/2022] [Indexed: 12/16/2022]
Abstract
Pickering emulsions are systems composed of two immiscible fluids, which are stabilized by solid organic or inorganic particles. These solid particles include a broad range of particles that can be used to stabilize Pickering emulsions. An improved resistance against coalescence and lower toxicity, against conventional emulsions stabilized by surfactants, make Pickering emulsions suitable candidates for numerous applications, such as catalysis, food, oil recovery, cosmetics, and pharmaceutical industries. In this article, we give an overview of Pickering emulsions focusing on topical applications. First, we reference the parameters that influence the stabilization of Pickering emulsions. Second, we discuss some of the already investigated topical applications of nano- and microparticles used to stabilize Pickering emulsions. Afterwards, we consider some of the most promising stabilizers of Pickering emulsions for topical applications. Ultimately, we carried out a brief analysis of toxicity and advances in future perspectives, highlighting the promising use of these emulsions in cosmetics and dermopharmaceutical formulations.
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Affiliation(s)
- Sofia Peito
- Department of Pharmaceutical Technology, Faculty of Pharmacy, University of Coimbra, Polo das Ciências da Saúde, Azinhaga de Santa Comba, 3000-548 Coimbra, Portugal
| | - Diana Peixoto
- Department of Pharmaceutical Technology, Faculty of Pharmacy, University of Coimbra, Polo das Ciências da Saúde, Azinhaga de Santa Comba, 3000-548 Coimbra, Portugal; REQUIMTE/LAQV, Group of Pharmaceutical Technology, Faculty of Pharmacy, University of Coimbra, Coimbra, Portugal
| | - Inês Ferreira-Faria
- Department of Pharmaceutical Technology, Faculty of Pharmacy, University of Coimbra, Polo das Ciências da Saúde, Azinhaga de Santa Comba, 3000-548 Coimbra, Portugal
| | - Ana Margarida Martins
- Research Institute for Medicine (iMed.ULisboa), Faculty of Pharmacy, Universidade de Lisboa, 1649-003 Lisbon, Portugal
| | - Helena Margarida Ribeiro
- Research Institute for Medicine (iMed.ULisboa), Faculty of Pharmacy, Universidade de Lisboa, 1649-003 Lisbon, Portugal
| | - Francisco Veiga
- Department of Pharmaceutical Technology, Faculty of Pharmacy, University of Coimbra, Polo das Ciências da Saúde, Azinhaga de Santa Comba, 3000-548 Coimbra, Portugal; REQUIMTE/LAQV, Group of Pharmaceutical Technology, Faculty of Pharmacy, University of Coimbra, Coimbra, Portugal
| | - Joana Marto
- Research Institute for Medicine (iMed.ULisboa), Faculty of Pharmacy, Universidade de Lisboa, 1649-003 Lisbon, Portugal
| | - Ana Cláudia Santos
- Department of Pharmaceutical Technology, Faculty of Pharmacy, University of Coimbra, Polo das Ciências da Saúde, Azinhaga de Santa Comba, 3000-548 Coimbra, Portugal; REQUIMTE/LAQV, Group of Pharmaceutical Technology, Faculty of Pharmacy, University of Coimbra, Coimbra, Portugal.
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30
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Kadukkattil Ramanunny A, Singh SK, Wadhwa S, Gulati M, Kapoor B, Khursheed R, Kuppusamy G, Dua K, Dureja H, Chellappan DK, Jha NK, Gupta PK, Vishwas S. Overcoming hydrolytic degradation challenges in topical delivery: non-aqueous nano-emulsions. Expert Opin Drug Deliv 2021; 19:23-45. [PMID: 34913772 DOI: 10.1080/17425247.2022.2019218] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
INTRODUCTION Non-aqueous nano-emulsions (NANEs) are colloidal lipid-based dispersions with nano-sized droplets formed by mixing two immiscible phases, none of which happens to be an aqueous phase. Their ability to incorporate water and oxygen sensitive drugs without any susceptibility to degradation makes them the optimum dosage form for such candidates. In NANEs, polar liquids or polyols replace the aqueous phase while surfactants remain same as used in conventional emulsions. They are a part of the nano-emulsion family albeit with substantial difference in composition and application. AREAS COVERED The present review provides a brief insight into the strategies of loading water-sensitive drugs into NANEs. Further advancement in these anhydrous systems with the use of solid particulate surfactants in the form of Pickering emulsions is also discussed. EXPERT OPINION NANEs offer a unique platform for delivering water-sensitive drugs by loading them in anhydrous formulation. The biggest advantage of NANEs vis-à-vis the other nano-cargos is that they can also be prepared without using equipment-intensive techniques. However, the use of NANEs in drug delivery is quite limited. Looking at the small number of studies available in this direction, a need for further research in this field is required to explore this delivery system further.
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Affiliation(s)
| | - Sachin Kumar Singh
- School of Pharmaceutical Sciences, Lovely Professional University, Phagwara, India
| | - Sheetu Wadhwa
- School of Pharmaceutical Sciences, Lovely Professional University, Phagwara, India
| | - Monica Gulati
- School of Pharmaceutical Sciences, Lovely Professional University, Phagwara, India
| | - Bhupinder Kapoor
- School of Pharmaceutical Sciences, Lovely Professional University, Phagwara, India
| | - Rubiya Khursheed
- School of Pharmaceutical Sciences, Lovely Professional University, Phagwara, India
| | - Gowthamarajan Kuppusamy
- Department of Pharmaceutics, JSS College of Pharmacy, JSS Academy of Higher Education & Research, Ooty, Nilgiris, India.,Centre of Excellence in Nanoscience & Technology, JSS College of Pharmacy, JSS Academy of Higher Education & Research, Ooty, Nilgiris, India
| | - Kamal Dua
- Discipline of Pharmacy, Graduate School of Health, University of Technology Sydney, Australia.,Faculty of Health, Australian Research Centre in Complementary and Integrative Medicine, University of Technology Sydney, Ultimo, Australia
| | - Harish Dureja
- Department of Pharmaceutical Sciences, Maharshi Dayanand University, Rohtak, India
| | - Dinesh Kumar Chellappan
- Department of Life Sciences, School of Pharmacy, International Medical University, Kuala Lumpur, Malaysia
| | - Niraj Kumar Jha
- Department of Biotechnology, School of Engineering & Technology (Set), Sharda University, Greater Noida, India
| | - Piyush Kumar Gupta
- Department of Life Sciences, School of Basic Sciences and Research, Sharda University, Greater Noida, India
| | - Sukriti Vishwas
- School of Pharmaceutical Sciences, Lovely Professional University, Phagwara, India
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31
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Dinache A, Pascu ML, Smarandache A. Spectral Properties of Foams and Emulsions. Molecules 2021; 26:7704. [PMID: 34946785 PMCID: PMC8707813 DOI: 10.3390/molecules26247704] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2021] [Revised: 12/13/2021] [Accepted: 12/14/2021] [Indexed: 11/17/2022] Open
Abstract
The optical and spectral properties of foams and emulsions provide information about their micro-/nanostructures, chemical and time stability and molecular data of their components. Foams and emulsions are collections of different kinds of bubbles or drops with particular properties. A summary of various surfactant and emulsifier types is performed here, as well as an overview of methods for producing foams and emulsions. Absorption, reflectance, and vibrational spectroscopy (Fourier Transform Infrared spectroscopy-FTIR, Raman spectroscopy) studies are detailed in connection with the spectral characterization techniques of colloidal systems. Diffusing Wave Spectroscopy (DWS) data for foams and emulsions are likewise introduced. The utility of spectroscopic approaches has grown as processing power and analysis capabilities have improved. In addition, lasers offer advantages due to the specific properties of the emitted beams which allow focusing on very small volumes and enable accurate, fast, and high spatial resolution sample characterization. Emulsions and foams provide exceptional sensitive bases for measuring low concentrations of molecules down to the level of traces using spectroscopy techniques, thus opening new horizons in microfluidics.
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Affiliation(s)
- Andra Dinache
- National Institute for Laser, Plasma and Radiation Physics, 077125 Magurele, Ilfov, Romania; (A.D.); (M.-L.P.)
| | - Mihail-Lucian Pascu
- National Institute for Laser, Plasma and Radiation Physics, 077125 Magurele, Ilfov, Romania; (A.D.); (M.-L.P.)
- Faculty of Physics, University of Bucharest, 077125 Magurele, Ilfov, Romania
| | - Adriana Smarandache
- National Institute for Laser, Plasma and Radiation Physics, 077125 Magurele, Ilfov, Romania; (A.D.); (M.-L.P.)
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32
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Mnif I, Bouallegue A, Bouassida M, Ghribi D. Surface properties and heavy metals chelation of lipopeptides biosurfactants produced from date flour by Bacillus subtilis ZNI5: optimized production for application in bioremediation. Bioprocess Biosyst Eng 2021; 45:31-44. [PMID: 34807299 DOI: 10.1007/s00449-021-02635-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2021] [Accepted: 09/03/2021] [Indexed: 11/25/2022]
Abstract
The present study summarizes the valorization of date flour by the production of lipopeptide biosurfactant (BioS) by Bacillus subtilis ZNI5 (MW091416). A Taguchi design permitted the formulation of a medium composed only of 6% date flour and 0.5% yeast extract within 2 days of incubation at 150 rpm with a maximal surface tension (ST) reduction of about 27.8 mN/m. The characterization of the lipopeptide shows a CMC value of about 400 mg/L with a minimal ST of 30 mN/m and an ability to disperse oil to about 80 mm at 800 mg/L. Having reduced phytotoxicity, the ZNI5 BioS and ZNI5 strain were assayed for Copper and Cobalt chelation and biosorption. The improvement of the germination index of radish seeds irrigated by the treated contaminated water showed the great potential application of ZNI5 lipopeptide in the bioremediation of heavy metals.
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Affiliation(s)
- Inès Mnif
- Laboratoire de Biochimie et Génie Enzymatique des Lipases, Ecole Nationale d'Ingénieurs de Sfax, BP W 3038, Sfax, Tunisia.
- Laboratoire d'Amélioration des Plantes et de Valorisation des Agro-Ressources, Ecole Nationale d'Ingénieurs de Sfax, Sfax, Tunisia.
- Faculté des Sciences de Gabes, Université de Gabes, Gabès, Tunisia.
| | - Amir Bouallegue
- Laboratoire d'Amélioration des Plantes et de Valorisation des Agro-Ressources, Ecole Nationale d'Ingénieurs de Sfax, Sfax, Tunisia
- Unité de Service Commun Bioréacteur Couplé à un Ultra-filtre, Ecole Nationale D'Ingénieurs de Sfax, Université de Sfax, Sfax, Tunisia
| | - Mouna Bouassida
- Laboratoire d'Amélioration des Plantes et de Valorisation des Agro-Ressources, Ecole Nationale d'Ingénieurs de Sfax, Sfax, Tunisia
- Unité de Service Commun Bioréacteur Couplé à un Ultra-filtre, Ecole Nationale D'Ingénieurs de Sfax, Université de Sfax, Sfax, Tunisia
| | - Dhouha Ghribi
- Laboratoire d'Amélioration des Plantes et de Valorisation des Agro-Ressources, Ecole Nationale d'Ingénieurs de Sfax, Sfax, Tunisia
- Institut Supérieur de Biotechnologie de Sfax, Université de Sfax, Sfax, Tunisia
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33
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Vater C, Bosch L, Mitter A, Göls T, Seiser S, Heiss E, Elbe-Bürger A, Wirth M, Valenta C, Klang V. Lecithin-based nanoemulsions of traditional herbal wound healing agents and their effect on human skin cells. Eur J Pharm Biopharm 2021; 170:1-9. [PMID: 34798283 DOI: 10.1016/j.ejpb.2021.11.004] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2021] [Revised: 11/04/2021] [Accepted: 11/11/2021] [Indexed: 01/11/2023]
Abstract
In previous studies, lecithin-based nanoemulsions (NEs) have been shown to be skin friendly drug carrier systems. Due to their nontoxic properties, NEs might also be suitable as wound healing agents. Hence, different O/W NEs based on lecithin Lipoid® S 75 and plant oils or medium chain triglycerides were produced and characterised. Two lipophilic natural wound healing agents, a betulin-enriched extract from birch bark (BET) and a purified spruce balm (PSB), were successfully incorporated and their effects on primary human skin cells were studied in vitro. MTT, BrdU and scratch assays uncovered the positive influence of the drug-loaded NEs on cell viability, proliferation and potential wound closure. Compared to control formulations, the NEs loaded with either BET or PSB led to higher cell viability rates of fibroblasts and keratinocytes. Higher proliferative activity of keratinocytes and fibroblasts was observed after the treatment, which is a prerequisite for wound closure. Indeed, in scratch assays NEs with PSB and notably BET showed significantly ameliorated wound closure rates than the negative control (unloaded NEs) and the positive control (NEs with dexpanthenol). Our findings suggest that BET and PSB are outstanding wound healing drugs and their incorporation into lecithin-based NEs may represent a valid strategy for wound care.
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Affiliation(s)
- Claudia Vater
- University of Vienna, Department of Pharmaceutical Technology and Biopharmaceutics, Althanstraße 14, 1090 Vienna, Austria; University of Vienna, Research Platform 'Characterisation of Drug Delivery Systems on Skin and Investigation of Involved Mechanisms', Althanstraße 14, 1090 Vienna, Austria
| | - Leonie Bosch
- University of Vienna, Department of Pharmaceutical Technology and Biopharmaceutics, Althanstraße 14, 1090 Vienna, Austria
| | - Alexandra Mitter
- University of Vienna, Department of Pharmaceutical Technology and Biopharmaceutics, Althanstraße 14, 1090 Vienna, Austria
| | - Thomas Göls
- University of Vienna, Department of Pharmacognosy, Althanstrasse 14, 1090 Vienna, Austria
| | - Saskia Seiser
- Medical University of Vienna, Department of Dermatology, Währinger Gürtel 18-20, 1090 Vienna, Austria
| | - Elke Heiss
- University of Vienna, Department of Pharmacognosy, Althanstrasse 14, 1090 Vienna, Austria
| | - Adelheid Elbe-Bürger
- Medical University of Vienna, Department of Dermatology, Währinger Gürtel 18-20, 1090 Vienna, Austria
| | - Michael Wirth
- University of Vienna, Department of Pharmaceutical Technology and Biopharmaceutics, Althanstraße 14, 1090 Vienna, Austria
| | - Claudia Valenta
- University of Vienna, Department of Pharmaceutical Technology and Biopharmaceutics, Althanstraße 14, 1090 Vienna, Austria; University of Vienna, Research Platform 'Characterisation of Drug Delivery Systems on Skin and Investigation of Involved Mechanisms', Althanstraße 14, 1090 Vienna, Austria
| | - Victoria Klang
- University of Vienna, Department of Pharmaceutical Technology and Biopharmaceutics, Althanstraße 14, 1090 Vienna, Austria.
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Ramos-de-la-Peña AM, Aguilar O, González-Valdez J. Progress in nanostructure understanding of edible crystalline fats and their application in nano-delivery systems: Cocoa butter as a model. Food Res Int 2021; 147:110561. [PMID: 34399538 DOI: 10.1016/j.foodres.2021.110561] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2020] [Revised: 05/30/2021] [Accepted: 06/22/2021] [Indexed: 11/30/2022]
Abstract
Nucleation and crystal growth of edible fats at the nanoscale have received little attention due to analytical limitations. A key factor to modify the properties of edible fats is nanostructure understanding. Progress within the last years will be presented, including analytical techniques used to investigate fat crystallization. Cocoa butter has been the subject of several works due to its properties and its high impact on chocolate manufacturing. Moreover, this vegetable fat has been used as the solid lipid component in nano delivery systems. Since nanoplatelet is the smallest unit in crystalline fats, and the nanoscale is influenced by supersaturation, temperature, shear fields, and surfactants, nanostructure engineering is possible. On its part, cocoa butter has been included in innovative delivery systems along the last years. This review will highlight main results and challenges on these topics.
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Affiliation(s)
- Ana Mayela Ramos-de-la-Peña
- Tecnologico de Monterrey, School of Engineering and Science, Av. Eugenio Garza Sada 2501 Sur, Monterrey, NL 64849, Mexico.
| | - Oscar Aguilar
- Tecnologico de Monterrey, School of Engineering and Science, Av. Eugenio Garza Sada 2501 Sur, Monterrey, NL 64849, Mexico.
| | - José González-Valdez
- Tecnologico de Monterrey, School of Engineering and Science, Av. Eugenio Garza Sada 2501 Sur, Monterrey, NL 64849, Mexico.
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35
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Jug M, Yoon BK, Jackman JA. Cyclodextrin-based Pickering emulsions: functional properties and drug delivery applications. J INCL PHENOM MACRO 2021; 101:31-50. [PMID: 34366706 PMCID: PMC8330820 DOI: 10.1007/s10847-021-01097-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2021] [Accepted: 07/28/2021] [Indexed: 12/19/2022]
Abstract
Cyclodextrins (CDs) are biocompatible, cyclic oligosaccharides that are widely used in various industrial applications and have intriguing interfacial science properties. While CD molecules typically have low surface activity, they are capable of stabilizing emulsions by inclusion complexation of oil-phase components at the oil/water interface, which results in Pickering emulsion formation. Such surfactant-free formulations have gained considerable attention in recent years, owing to their enhanced physical stability, improved tolerability, and superior environmental compatibility compared to conventional, surfactant-based emulsions. In this review, we critically describe the latest insights into the molecular mechanisms involved in CD stabilization of Pickering emulsions, including covering practical aspects such as methods to prepare CD-based Pickering emulsions, lipid encapsulation, and relevant stability issues. In addition, the rheological and textural features of CD-based Pickering emulsions are discussed and particular attention is focused on promising examples for drug delivery, cosmetic, and nutraceutical applications. The functionality of currently developed CD-based Pickering emulsions is also summarised, including examples such as antifungal uses, and we close by discussing emerging possibilities to utilize the molecular encapsulation of CD-based emulsions for translational medicine applications in the antiviral and antibacterial spaces.
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Affiliation(s)
- Mario Jug
- Faculty of Pharmacy and Biochemistry, University of Zagreb, A. Kovačića 1, Zagreb, Croatia
| | - Bo Kyeong Yoon
- School of Chemical Engineering and Biomedical Institute for Convergence at SKKU (BICS), Sungkyunkwan University, Suwon, 16419 Republic of Korea
| | - Joshua A. Jackman
- School of Chemical Engineering and Biomedical Institute for Convergence at SKKU (BICS), Sungkyunkwan University, Suwon, 16419 Republic of Korea
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Salvioni L, Morelli L, Ochoa E, Labra M, Fiandra L, Palugan L, Prosperi D, Colombo M. The emerging role of nanotechnology in skincare. Adv Colloid Interface Sci 2021; 293:102437. [PMID: 34023566 DOI: 10.1016/j.cis.2021.102437] [Citation(s) in RCA: 68] [Impact Index Per Article: 22.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2021] [Revised: 05/06/2021] [Accepted: 05/07/2021] [Indexed: 02/07/2023]
Abstract
The role of cosmetic products is rapidly evolving in our society, with their use increasingly seen as an essential contribution to personal wellness. This suggests the necessity of a detailed elucidation of the use of nanoparticles (NPs) in cosmetics. The aim of the present work is to offer a critical and comprehensive review discussing the impact of exploiting nanomaterials in advanced cosmetic formulations, emphasizing the beneficial effects of their extensive use in next-generation products despite a persisting prejudice around the application of nanotechnology in cosmetics. The discussion here includes an interpretation of the data underlying generic information reported on the product labels of formulations already available in the marketplace, information that often lacks details identifying specific components of the product, especially when nanomaterials are employed. The emphasis of this review is mainly focused on skincare because it is believed to be the cosmetics market sector in which the impact of nanotechnology is being seen most significantly. To date, nanotechnology has been demonstrated to improve the performance of cosmetics in a number of different ways: 1) increasing both the entrapment efficiency and dermal penetration of the active ingredient, 2) controlling drug release, 3) enhancing physical stability, 4) improving moisturizing power, and 5) providing better UV protection. Specific attention is paid to the effect of nanoparticles contained in semisolid formulations on skin penetration issues. In light of the emerging concerns about nanoparticle toxicity, an entire section has been devoted to listing detailed examples of nanocosmetic products for which safety has been investigated.
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Production of Biosurfactants by Ascomycetes. Int J Microbiol 2021; 2021:6669263. [PMID: 33936207 PMCID: PMC8062187 DOI: 10.1155/2021/6669263] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2020] [Revised: 02/16/2021] [Accepted: 04/05/2021] [Indexed: 11/30/2022] Open
Abstract
Surfactants are utilized to reduce surface tension in aqueous and nonaqueous systems. Currently, most synthetic surfactants are derived from petroleum. However, these surfactants are usually highly toxic and are poorly degraded by microorganisms. To overcome these problems associated with synthetic surfactants, the production of microbial surfactants (called biosurfactants) has been studied in recent years. Most studies investigating the production of biosurfactants have been associated mainly with bacteria and yeasts; however, there is emerging evidence that those derived from fungi are promising. The filamentous fungi ascomycetes have been studied for the production of biosurfactants from renewable substrates. However, the yield of biosurfactants by ascomycetes depends on several factors, such as the species, nutritional sources, and environmental conditions. In this review, we explored the production, chemical characterization, and application of biosurfactants by ascomycetes.
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Sharkawy A, Barreiro MF, Rodrigues AE. New Pickering emulsions stabilized with chitosan/collagen peptides nanoparticles: Synthesis, characterization and tracking of the nanoparticles after skin application. Colloids Surf A Physicochem Eng Asp 2021. [DOI: 10.1016/j.colsurfa.2021.126327] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Jamshaid H, Din FU, Khan GM. Nanotechnology based solutions for anti-leishmanial impediments: a detailed insight. J Nanobiotechnology 2021; 19:106. [PMID: 33858436 PMCID: PMC8051083 DOI: 10.1186/s12951-021-00853-0] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2020] [Accepted: 04/07/2021] [Indexed: 12/13/2022] Open
Abstract
As a neglected tropical disease, Leishmaniasis is significantly instigating morbidity and mortality across the globe. Its clinical spectrum varies from ulcerative cutaneous lesions to systemic immersion causing hyperthermic hepato-splenomegaly. Curbing leishmanial parasite is toughly attributable to the myriad obstacles in existing chemotherapy and immunization. Since the 1990s, extensive research has been conducted for ameliorating disease prognosis, by resolving certain obstacles of conventional therapeutics viz. poor efficacy, systemic toxicity, inadequate drug accumulation inside the macrophage, scarce antigenic presentation to body's immune cells, protracted length and cost of the treatment. Mentioned hurdles can be restricted by designing nano-drug delivery system (nano-DDS) of extant anti-leishmanials, phyto-nano-DDS, surface modified-mannosylated and thiolated nano-DDS. Likewise, antigen delivery with co-transportation of suitable adjuvants would be achievable through nano-vaccines. In the past decade, researchers have engineered nano-DDS to improve the safety profile of existing drugs by restricting their release parameters. Polymerically-derived nano-DDS were found as a suitable option for oral delivery as well as SLNs due to pharmacokinetic re-modeling of drugs. Mannosylated nano-DDS have upgraded macrophage internalizing of nanosystem and the entrapped drug, provided with minimal toxicity. Cutaneous Leishmaniasis (CL) was tackling by the utilization of nano-DDS designed for topical delivery including niosomes, liposomes, and transfersomes. Transfersomes, however, appears to be superior for this purpose. The nanotechnology-based solution to prevent parasitic resistance is the use of Thiolated drug-loaded and multiple drugs loaded nano-DDS. These surfaces amended nano-DDS possess augmented IC50 values in comparison to conventional drugs and un-modified nano-DDS. Phyto-nano-DDS, another obscure horizon, have also been evaluated for their anti-leishmanial response, however, more intense assessment is a prerequisite. Impoverished Cytotoxic T-cells response followed by Leishmanial antigen proteins delivery have also been vanquished using nano-adjuvants. The eminence of nano-DDS for curtailment of anti-leishmanial chemotherapy and immunization associated challenges are extensively summed up in this review. This expedited approach is ameliorating the Leishmaniasis management successfully. Alongside, total to partial eradication of this disease can be sought along with associated co-morbidities.
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Affiliation(s)
- Humzah Jamshaid
- Nanomedicine Research Group, Department of Pharmacy, Quaid-I-Azam University, Islamabad, 45320, Pakistan
| | - Fakhar Ud Din
- Nanomedicine Research Group, Department of Pharmacy, Quaid-I-Azam University, Islamabad, 45320, Pakistan.
| | - Gul Majid Khan
- Nanomedicine Research Group, Department of Pharmacy, Quaid-I-Azam University, Islamabad, 45320, Pakistan.
- Islamia College University, Peshawar, Khyber Pakhtunkhwa, Pakistan.
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de Souza IFF, Dos Santos TQ, Placido RV, Mangerona BA, Carvalho FC, Boralli VB, Ruela ALM, Pereira GR. The liquid crystalline phase behaviour of a nasal formulation modifies the brain disposition of donepezil in rats in the treatment of Alzheimer's disease. Colloids Surf B Biointerfaces 2021; 203:111721. [PMID: 33798905 DOI: 10.1016/j.colsurfb.2021.111721] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2020] [Revised: 02/26/2021] [Accepted: 03/22/2021] [Indexed: 11/24/2022]
Abstract
Although nanoparticles, polymeric micelles, liposomes, nanoemulsions, and microemulsions were extensively evaluated as formulations for nasal administration of drugs, lyotropic liquid crystal (LLC) mesophases have been few studied. The phase transition from a low-viscosity microemulsion to a more viscous LLC may improve the mucoadhesion of the formulation. Donepezil is a drug administered orally in the treatment of Alzheimer's disease, and with gastrointestinal side effects that are typical of acetylcholinesterase inhibitors. Based on this, donepezil administration by nasal pathway using a mucoadhesive LLC may be a feasible alternative. A colloidal formulation was selected from a ternary diagram, combining CETETH-10, oleic acid, and water (40:45:15, w/w). Donepezil was incorporated into the formulation, and the characterisation included in vitro studies, such as mucoadhesion and drug release. Pharmacokinetics in Wistar rats included evaluations by the nasal pathway with donepezil incorporated into microemulsion. A phase transition from an isotropic to an anisotropic system was observed after the swelling of the microemulsion with artificial nasal fluid (12-20 %). The release of donepezil in vitro occurred in a sustained manner. Significant levels of donepezil were achieved in the brain after nasal administration of the microemulsion, as a promising strategy for the treatment of Alzheimer's disease.
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Affiliation(s)
| | | | | | | | - Flávia Chiva Carvalho
- Faculty of Pharmaceutical Sciences, Federal University of Alfenas, Alfenas, MG, Brazil.
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Changes in Skin Barrier Function after Repeated Exposition to Phospholipid-Based Surfactants and Sodium Dodecyl Sulfate In Vivo and Corneocyte Surface Analysis by Atomic Force Microscopy. Pharmaceutics 2021; 13:pharmaceutics13040436. [PMID: 33804924 PMCID: PMC8063842 DOI: 10.3390/pharmaceutics13040436] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2021] [Revised: 03/16/2021] [Accepted: 03/20/2021] [Indexed: 11/17/2022] Open
Abstract
(1) Background: The aim of the study was to evaluate the effect of pure lecithins in comparison to a conventional surfactant on skin in vivo. (2) Methods: Physiological skin parameters were evaluated at the beginning and the end of the study (day 1 and day 4) (n = 8, healthy forearm skin) with an Aquaflux®, skin-pH-Meter, Corneometer® and an Epsilon® sensor. Confocal Raman spectroscopy was employed to monitor natural moisturizing factor, urea and water content of the participants' skin. Tape strips of treated skin sites were taken and the collected corneocytes were subjected to atomic force microscopy. Circular nano objects were counted, and dermal texture indices were determined. (3) Results: Transepidermal water loss was increased, and skin hydration was decreased after treatment with SDS and LPC80. Natural moisturizing factor and urea concentrations within the outermost 10 µm of the stratum corneum were lower than after treatment with S75 or water. Dermal texture indices of skin treated with SDS were higher than skin treated with water (control). (4) Conclusions: Results suggest very good (S75) or good (LPC80) skin-tolerability of lecithin-based surfactants in comparison to SDS and encourage further investigation.
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Ozkan CK, Esim O, Savaser A, Ozkan Y. An Overview of Excipients Classification and Their Use in Pharmaceuticals. CURR PHARM ANAL 2021. [DOI: 10.2174/1573412916999200605163125] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
The content and the application of pharmaceutical dosage forms must meet several basic
requirements to ensure and maintain efficiency, safety and quality. A large number of active substances
have a limited ability to direct administration. Excipients are generally used to overcome the limitation
of direct administration of these active substances. However, the function, behavior and composition of
the excipients need to be well known in the design, development and production of pharmaceutical
dosage forms. In this review, excipients used to assist in any pharmaceutical dosage form production
processes of drugs, to preserve, promote or increase stability, bioavailability and patient compliance, to
assist in product identification/separation, or to enhance overall safety and effectiveness of the drug
delivery system during storage or use are explained. Moreover, the use of these excipients in drug delivery
systems is identified. Excipient toxicity, which is an issue discussed in the light of current studies,
also discussed in this review.
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Affiliation(s)
- Cansel Kose Ozkan
- Department of Pharmaceutical Technology, Gulhane Faculty of Pharmacy, University of Health Sciences, Gulhane Campus, Etlik, 06018 Ankara,Turkey
| | - Ozgur Esim
- Department of Pharmaceutical Technology, Gulhane Faculty of Pharmacy, University of Health Sciences, Gulhane Campus, Etlik, 06018 Ankara,Turkey
| | - Ayhan Savaser
- Department of Pharmaceutical Technology, Gulhane Faculty of Pharmacy, University of Health Sciences, Gulhane Campus, Etlik, 06018 Ankara,Turkey
| | - Yalcin Ozkan
- Department of Pharmaceutical Technology, Gulhane Faculty of Pharmacy, University of Health Sciences, Gulhane Campus, Etlik, 06018 Ankara,Turkey
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Alves LP, da Silva Oliveira K, da Paixão Santos JA, da Silva Leite JM, Rocha BP, de Lucena Nogueira P, de Araújo Rêgo RI, Oshiro-Junior JA, Damasceno BPGDL. A review on developments and prospects of anti-inflammatory in microemulsions. J Drug Deliv Sci Technol 2020. [DOI: 10.1016/j.jddst.2020.102008] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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Investigation of the stability in Pickering emulsions preparation with commercial cosmetic ingredients. Colloids Surf A Physicochem Eng Asp 2020. [DOI: 10.1016/j.colsurfa.2020.125082] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
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Hollenbach R, Völp AR, Höfert L, Rudat J, Ochsenreither K, Willenbacher N, Syldatk C. Interfacial and Foaming Properties of Tailor-Made Glycolipids-Influence of the Hydrophilic Head Group and Functional Groups in the Hydrophobic Tail. Molecules 2020; 25:molecules25173797. [PMID: 32825508 PMCID: PMC7504461 DOI: 10.3390/molecules25173797] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2020] [Revised: 08/16/2020] [Accepted: 08/19/2020] [Indexed: 11/20/2022] Open
Abstract
Glycolipids are a class of biodegradable surfactants less harmful to the environment than petrochemically derived surfactants. Here we discuss interfacial properties, foam stability, characterized in terms of transient foam height, gas volume fraction and bubble diameter as well as texture of seven enzymatically synthesized surfactants for the first time. Glycolipids consisting of different head groups, namely glucose, sorbitol, glucuronic acid and sorbose, combined with different C10 acyl chains, namely decanoate, dec-9-enoate and 4-methyl-nonanoate are compared. Equilibrium interfacial tension values vary between 24.3 and 29.6 mN/m, critical micelle concentration varies between 0.7 and 3.0 mM. In both cases highest values were found for the surfactants with unsaturated or branched tail groups. Interfacial elasticity and viscosity, however, were significantly reduced in these cases. Head and tail group both affect foam stability. Foams from glycolipids with sorbose and glucuronic acid derived head groups showed higher stability than those from surfactants with glucose head group, sorbitol provided lowest foam stability. We attribute this to different head group hydration also showing up in the time to reach equilibrium interfacial adsorption. Unsaturated tail groups reduced whereas branching enhanced foam stability compared to the systems with linear, saturated tail. Moreover, the tail group strongly influences foam texture. Glycolipids with unsaturated tail groups produced foams quickly collapsing even at smallest shear loads, whereas the branched tail group yielded a higher modulus than the linear tails. Normalized shear moduli for the systems with different head groups varied in a narrow range, with the highest value found for decylglucuronate.
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Affiliation(s)
- Rebecca Hollenbach
- Technical Biology, Institute of Process Engineering in Life Sciences II, Karlsruhe Institute of Technology, 76131 Karlsruhe, Germany; (L.H.); (J.R.); (K.O.); (C.S.)
- Correspondence: ; Tel.:+49-721-60846737
| | - Annika Ricarda Völp
- Applied Mechanics, Institute of Mechanical Process Engineering and Mechanics, Karlsruhe Institute of Technology, 76131 Karlsruhe, Germany; (A.R.V.); (N.W.)
| | - Ludwig Höfert
- Technical Biology, Institute of Process Engineering in Life Sciences II, Karlsruhe Institute of Technology, 76131 Karlsruhe, Germany; (L.H.); (J.R.); (K.O.); (C.S.)
| | - Jens Rudat
- Technical Biology, Institute of Process Engineering in Life Sciences II, Karlsruhe Institute of Technology, 76131 Karlsruhe, Germany; (L.H.); (J.R.); (K.O.); (C.S.)
| | - Katrin Ochsenreither
- Technical Biology, Institute of Process Engineering in Life Sciences II, Karlsruhe Institute of Technology, 76131 Karlsruhe, Germany; (L.H.); (J.R.); (K.O.); (C.S.)
| | - Norbert Willenbacher
- Applied Mechanics, Institute of Mechanical Process Engineering and Mechanics, Karlsruhe Institute of Technology, 76131 Karlsruhe, Germany; (A.R.V.); (N.W.)
| | - Christoph Syldatk
- Technical Biology, Institute of Process Engineering in Life Sciences II, Karlsruhe Institute of Technology, 76131 Karlsruhe, Germany; (L.H.); (J.R.); (K.O.); (C.S.)
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van Staden D, du Plessis J, Viljoen J. Development of a Self-Emulsifying Drug Delivery System for Optimized Topical Delivery of Clofazimine. Pharmaceutics 2020; 12:E523. [PMID: 32521671 PMCID: PMC7356627 DOI: 10.3390/pharmaceutics12060523] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2020] [Revised: 05/27/2020] [Accepted: 06/02/2020] [Indexed: 11/24/2022] Open
Abstract
A quality-by-design and characterization approach was followed to ensure development of self-emulsifying drug delivery systems (SEDDSs) destined for topical delivery of the highly lipophilic clofazimine. Solubility and water-titration experiments identified spontaneous emulsification capacity of different excipient combinations and clofazimine. After identifying self-emulsification regions, check-point formulations were selected within the self-emulsification region by considering characteristics required to achieve optimized topical drug delivery. Check-point formulations, able to withstand phase separation after 24 h at an ambient temperature, were subjected to characterization studies. Experiments involved droplet size evaluation; size distribution; zeta-potential; self-emulsification time and efficacy; viscosity and pH measurement; cloud point assessment; and thermodynamic stability studies. SEDDSs with favorable properties, i.e., topical drug delivery, were subjected to dermal diffusion studies. Successful in vitro topical clofazimine delivery was observed. Olive oil facilitated the highest topical delivery of clofazimine probably due to increased oleic acid levels that enhanced stratum corneum lipid disruption, followed by improved dermal clofazimine delivery. Finally, isothermal microcalometric experiments studied the compatibility of excipients. Potential interactions were depicted between argan oil and clofazimine as well as between Span®60 and argan-, macadamia- and olive oil, respectively. However, despite some mundane incompatibilities, successful development of topical SEDDSs achieved enhanced topical clofazimine delivery.
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Affiliation(s)
| | | | - Joe Viljoen
- Faculty of Health Sciences, Centre of Excellence for Pharmaceutical Sciences (PharmacenTM), Building G16, North-West University, 11 Hoffman Street, Potchefstroom, North-West Province 2520, South Africa; (D.v.S.); (J.d.P.)
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Ade-Browne C, Mirzamani M, Dawn A, Qian S, Thompson RG, Glenn RW, Kumari H. Effect of ethoxylation and lauryl alcohol on the self-assembly of sodium laurylsulfate: Significant structural and rheological transformation. Colloids Surf A Physicochem Eng Asp 2020. [DOI: 10.1016/j.colsurfa.2020.124704] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Novel and Modified Neutrophil Elastase Inhibitor Loaded in Topical Formulations for Psoriasis Management. Pharmaceutics 2020; 12:pharmaceutics12040358. [PMID: 32295247 PMCID: PMC7238052 DOI: 10.3390/pharmaceutics12040358] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2020] [Revised: 04/09/2020] [Accepted: 04/10/2020] [Indexed: 12/17/2022] Open
Abstract
Human neutrophil elastase (HNE) is a serine protease that degrades matrix proteins. An excess of HNE may trigger several pathological conditions, such as psoriasis. In this work, we aimed to synthesize, characterize and formulate new HNE inhibitors with a 4-oxo-β-lactam scaffold with less toxicity, as well as therapeutic index in a psoriasis context. HNE inhibitors with 4-oxo-β-lactam scaffolds were synthesized and characterized by NMR, FTIR, melting point, mass spectrometry and elemental analysis. In vitro cytotoxicity and serine protease assays were performed. The compound with the highest cell viability (AAN-16) was selected to be incorporated in an emulsion (AAN-16 E) and in a microemulsion (AAN-16 ME). Formulations were characterized in terms of organoleptic properties, pH, rheology, droplet size distribution, in vitro drug release and in vivo psoriatic activity. All compounds were successfully synthesized according to analytical methodology, with good yields. Both formulations presented suitable physicochemical properties. AAN-16 E presented the most promising therapeutic effects in a murine model of psoriasis. Overall, new HNE inhibitors were synthesized with high and selective activity and incorporated into topical emulsions with potential to treat psoriasis.
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Vater C, Hlawaty V, Werdenits P, Cichoń MA, Klang V, Elbe-Bürger A, Wirth M, Valenta C. Effects of lecithin-based nanoemulsions on skin: Short-time cytotoxicity MTT and BrdU studies, skin penetration of surfactants and additives and the delivery of curcumin. Int J Pharm 2020; 580:119209. [PMID: 32165223 DOI: 10.1016/j.ijpharm.2020.119209] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2020] [Revised: 03/02/2020] [Accepted: 03/05/2020] [Indexed: 12/26/2022]
Abstract
Surfactants are important ingredients in pharmaceutical and cosmetic formulations, as in creams, shampoos or shower gels. As conventional emulsifiers such as sodium dodecyl sulfate (SDS) have fallen into disrepute due to their skin irritation potential, the naturally occurring lecithins are being investigated as a potential alternative. Thus, lecithin-based nanoemulsions with and without the drug curcumin, known for its wound healing properties, were produced and characterised in terms of their particle size, polydispersity index (PDI) and zeta potential and compared to SDS-based formulations. In vitro toxicity of the produced blank nanoemulsions was assessed with primary human keratinocytes and fibroblasts using two different cell viability assays (BrdU and EZ4U). Further, we investigated the penetration profiles of the deployed surfactants and oil components using combined ATR-FTIR/tape stripping experiments and confirmed the ability of the lecithin-based nanoemulsions to deliver curcumin into the stratum corneum in tape stripping-UV/Vis experiments. All manufactured nanoemulsions showed droplet sizes under 250 nm with satisfying PDI and zeta potential values. Viability assays with human skin cells clearly indicated that lecithin-based nanoemulsions were superior to SDS-based formulations. ATR-FTIR tests showed that lecithin and oil components remained in the superficial layers of the stratum corneum, suggesting a low risk for skin irritation. Ex vivo tape stripping experiments revealed that the kind of oil used in the nanoemulsion seemed to influence the depth of curcumin penetration into the stratum corneum.
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Affiliation(s)
- Claudia Vater
- University of Vienna, Department of Pharmaceutical Technology and Biopharmaceutics, Althanstraße 14, 1090 Vienna, Austria; University of Vienna, Research Platform 'Characterisation of Drug Delivery Systems on Skin and Investigation of Involved Mechanisms', Althanstraße 14, 1090 Vienna, Austria
| | - Victoria Hlawaty
- University of Vienna, Department of Pharmaceutical Technology and Biopharmaceutics, Althanstraße 14, 1090 Vienna, Austria
| | - Patricia Werdenits
- University of Vienna, Department of Pharmaceutical Technology and Biopharmaceutics, Althanstraße 14, 1090 Vienna, Austria
| | - Małgorzata Anna Cichoń
- Medical University of Vienna, Department of Dermatology, Währinger Gürtel 18-20, 1090 Vienna, Austria
| | - Victoria Klang
- University of Vienna, Department of Pharmaceutical Technology and Biopharmaceutics, Althanstraße 14, 1090 Vienna, Austria.
| | - Adelheid Elbe-Bürger
- Medical University of Vienna, Department of Dermatology, Währinger Gürtel 18-20, 1090 Vienna, Austria
| | - Michael Wirth
- University of Vienna, Department of Pharmaceutical Technology and Biopharmaceutics, Althanstraße 14, 1090 Vienna, Austria
| | - Claudia Valenta
- University of Vienna, Department of Pharmaceutical Technology and Biopharmaceutics, Althanstraße 14, 1090 Vienna, Austria; University of Vienna, Research Platform 'Characterisation of Drug Delivery Systems on Skin and Investigation of Involved Mechanisms', Althanstraße 14, 1090 Vienna, Austria
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