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Iqbal S, Zaman M, Waqar MA, Sarwar HS, Jamshaid M. Vesicular approach of cubosomes, its components, preparation techniques, evaluation and their appraisal for targeting cancer cells. J Liposome Res 2024; 34:368-384. [PMID: 37873797 DOI: 10.1080/08982104.2023.2272643] [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: 05/16/2023] [Accepted: 10/14/2023] [Indexed: 10/25/2023]
Abstract
Cancer has been characterized by abnormal and uncontrolled proliferation of cells. Majority of drugs given through chemotherapy produce unwanted and adverse effects of chemotherapeutic agents to the other healthy cells and tissues of body. Various nanocarriers have now been considered for treatment of cancer. Among various nanocarriers, cubosomes are the nano sized dispersions that have drawn interest of researchers recently. Cubosomes are defined as dispersions of colloidal nature containing cubic crystalline liquid formations in aqueous medium in presence of suitable surfactant molecules. The unique capacity to encapsulate lipophilic, hydrophilic, and amphiphilic compounds inside their structure distinguishes them among others. Top- down method and hydrotrope method are most often employed methods for cubosomes preparation. Cubosomes can be characterized by Polarized light microscopy Photon correlation spectroscopy X-ray scattering (SAXS), Transmission electron microscopy and various stability studies. Cubic lipid nanoparticles have a very stable cubic structure that enables slower dissociation rate, increased retention and site-specific delivery of drugs. Cubosomes containing extracts of cornelian cherry for boosting anti-cancerous effects in cancer of colorectal cells by preventing against GIT destruction. When applied for skin cancer, cubosomes have shown to be having enhanced permeation of the drug. In liver cancer, increased bioavailability of drug was observed via cubosomes. This current review elaborates the advancement of cubosomes and their effective role in the treatment of cancer. This review aims to describe vesicular approach of cubosomes, its composition and method of preparation, characterization tests as well as elaborates various applications of cubosomes in cancer.
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Affiliation(s)
- Sehrish Iqbal
- Faculty of Pharmaceutical Sciences, University of Central Punjab, Lahore, Pakistan
| | - Muhammad Zaman
- Faculty of Pharmaceutical Sciences, University of Central Punjab, Lahore, Pakistan
| | - Muhammad Ahsan Waqar
- Faculty of Pharmaceutical Sciences, University of Central Punjab, Lahore, Pakistan
| | - Hafiz Shoaib Sarwar
- Faculty of Pharmaceutical Sciences, University of Central Punjab, Lahore, Pakistan
| | - Muhammad Jamshaid
- Faculty of Pharmaceutical Sciences, University of Central Punjab, Lahore, Pakistan
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Zhang Z, Zhang Y, Zhang M, Yu C, Yang P, Xu M, Ling J, Wu Y, Zhu Z, Chen Y, Shi A, Liu X, Zhang J, Yu P, Zhang D. Food-derived peptides as novel therapeutic strategies for NLRP3 inflammasome-related diseases: a systematic review. Crit Rev Food Sci Nutr 2023:1-32. [PMID: 38153262 DOI: 10.1080/10408398.2023.2294164] [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: 12/29/2023]
Abstract
NLRP3 (NOD-, LRR- and pyrin domain-containing protein 3), a member of the nucleotide-binding domain (NOD) and leucine-rich repeat sequence (LRR) protein (NLR) family, plays an essential role in the inflammation initiation and inflammatory mediator secretion, and thus is also associated with many disease progressions. Food-derived bioactive peptides (FDBP) exhibit excellent anti-inflammatory activity in both in vivo and in vitro models. They are encrypted in plant, meat, and milk proteins and can be released under enzymatic hydrolysis or fermentation conditions, thereby hindering the progression of hyperuricemia, inflammatory bowel disease, chronic liver disease, neurological disorders, lung injury and periodontitis by inactivating the NLRP3. However, there is a lack of systematic review around FDBP, NLRP3, and NLRP3-related diseases. Therefore, this review summarized FDBP that exert inhibiting effects on NLRP3 inflammasome from different protein sources and detailed their preparation and purification methods. Additionally, this paper also compiled the possible inhibitory mechanisms of FDBP on NLRP3 inflammasomes and its regulatory role in NLRP3 inflammasome-related diseases. Finally, the progress of cutting-edge technologies, including nanoparticle, computer-aided screening strategy and recombinant DNA technology, in the acquisition or encapsulation of NLRP3 inhibitory FDBP was discussed. This review provides a scientific basis for understanding the anti-inflammatory mechanism of FDBP through the regulation of the NLRP3 inflammasome and also provides guidance for the development of therapeutic adjuvants or functional foods enriched with these FDBP.
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Affiliation(s)
- Ziqi Zhang
- The Second Clinical Medical College, The Second Affiliated Hospital of Nanchang University, Nanchang University, Jiangxi, China
- Department of Endocrinology and Metabolism, The Second Affiliated Hospital of Nanchang University, Nanchang, China
| | - Yuan Zhang
- School of Public Health, Nanchang University, Jiangxi, China
| | - Meiying Zhang
- Department of Endocrinology and Metabolism, The Second Affiliated Hospital of Nanchang University, Nanchang, China
- Institute for the Study of Endocrinology and Metabolism in Jiangxi Province, Nanchang, China
- Branch of Nationlal Clinical Research Center for Metabolic Diseases, Nanchang, China
| | - Chenfeng Yu
- Huankui College, Nanchang University, Jiangxi, China
| | - Pingping Yang
- Department of Endocrinology and Metabolism, The Second Affiliated Hospital of Nanchang University, Nanchang, China
- Institute for the Study of Endocrinology and Metabolism in Jiangxi Province, Nanchang, China
- Branch of Nationlal Clinical Research Center for Metabolic Diseases, Nanchang, China
| | - Minxuan Xu
- Department of Endocrinology and Metabolism, The Second Affiliated Hospital of Nanchang University, Nanchang, China
- Institute for the Study of Endocrinology and Metabolism in Jiangxi Province, Nanchang, China
- Branch of Nationlal Clinical Research Center for Metabolic Diseases, Nanchang, China
| | - Jitao Ling
- Department of Endocrinology and Metabolism, The Second Affiliated Hospital of Nanchang University, Nanchang, China
- Institute for the Study of Endocrinology and Metabolism in Jiangxi Province, Nanchang, China
- Branch of Nationlal Clinical Research Center for Metabolic Diseases, Nanchang, China
| | - Yuting Wu
- Department of Endocrinology and Metabolism, The Second Affiliated Hospital of Nanchang University, Nanchang, China
- Institute for the Study of Endocrinology and Metabolism in Jiangxi Province, Nanchang, China
- Branch of Nationlal Clinical Research Center for Metabolic Diseases, Nanchang, China
| | - Zicheng Zhu
- Department of Anesthesiology, The Second Affiliated Hospital of Nanchang University, Nanchang, China
| | - Yixuan Chen
- Department of Anesthesiology, The Second Affiliated Hospital of Nanchang University, Nanchang, China
| | - Ao Shi
- School of Medicine, St. George University of London, London, UK
| | - Xiao Liu
- Cardiology Department, The Sun Yat-sen Memorial Hospital of Sun Yat-sen University, Guangzhou, China
| | - Jing Zhang
- Department of Anesthesiology, The Second Affiliated Hospital of Nanchang University, Nanchang, China
| | - Peng Yu
- Department of Endocrinology and Metabolism, The Second Affiliated Hospital of Nanchang University, Nanchang, China
- Institute for the Study of Endocrinology and Metabolism in Jiangxi Province, Nanchang, China
- Branch of Nationlal Clinical Research Center for Metabolic Diseases, Nanchang, China
| | - Deju Zhang
- The Second Clinical Medical College, The Second Affiliated Hospital of Nanchang University, Nanchang University, Jiangxi, China
- Food and Nutritional Sciences, School of Biological Sciences, The University of Hong Kong, Hong Kong
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Molinar C, Tannous M, Meloni D, Cavalli R, Scomparin A. Current Status and Trends in Nucleic Acids for Cancer Therapy: A Focus on Polysaccharide-Based Nanomedicines. Macromol Biosci 2023; 23:e2300102. [PMID: 37212473 DOI: 10.1002/mabi.202300102] [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: 03/10/2023] [Revised: 04/28/2023] [Indexed: 05/23/2023]
Abstract
The efficacious delivery of therapeutic nucleic acids to cancer still remains an open issue. Through the years, several strategies are developed for the encapsulation of genetic molecules exploiting different materials, such as viral vectors, lipid nanoparticles (LNPs), and polymeric nanoparticles (NPs). Indeed, the rapid approval by regulatory authorities and the wide use of LNPs complexing the mRNA coding for the spark protein for COVID-19 vaccination paved the way for the initiation of several clinical trials exploiting lipid nanoparticles for cancer therapy. Nevertheless, polymers still represent a valuable alternative to lipid-based formulations, due to the low cost and the chemical flexibility that allows for the conjugation of targeting ligands. This review will analyze the status of the ongoing clinical trials for cancer therapy, including vaccination and immunotherapy approaches, exploiting polymeric materials. Among those nanosized carriers, sugar-based backbones are an interesting category. A cyclodextrin-based carrier (CALAA-01) is the first polymeric material to enter a clinical trial complexed with siRNA for cancer therapy, and chitosan is one of the most characterized non-viral vectors able to complex genetic material. Finally, the recent advances in the use of sugar-based polymers (oligo- and polysaccharides) for the complexation of nucleic acids in advanced preclinical stage will be discussed.
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Affiliation(s)
- Chiara Molinar
- Department of Drug Science and Technology, University of Turin, Via P. Giuria 9, Torino, 10125, Italy
| | - Maria Tannous
- Department of Drug Science and Technology, University of Turin, Via P. Giuria 9, Torino, 10125, Italy
- Department of Chemistry, University of Turin, Via P. Giuria 7, Torino, 10125, Italy
| | - Domitilla Meloni
- Department of Drug Science and Technology, University of Turin, Via P. Giuria 9, Torino, 10125, Italy
| | - Roberta Cavalli
- Department of Drug Science and Technology, University of Turin, Via P. Giuria 9, Torino, 10125, Italy
| | - Anna Scomparin
- Department of Drug Science and Technology, University of Turin, Via P. Giuria 9, Torino, 10125, Italy
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Hu S, Liu X, Zhang S, Quan D. An Overview of Taste-Masking Technologies: Approaches, Application, and Assessment Methods. AAPS PharmSciTech 2023; 24:67. [PMID: 36788171 DOI: 10.1208/s12249-023-02520-z] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2022] [Accepted: 01/24/2023] [Indexed: 02/16/2023] Open
Abstract
It is well-known that plenty of active pharmaceutical ingredients (API) inherently possess an unpleasant taste, which influences the acceptance of patients, especially children. Therefore, manufacturing taste-masked dosage forms has attracted a lot of attention. This review describes in detail the taste-masking technologies based on the difference in the taste transmission mechanism which is currently available. In particular, the review highlights the application of various methods, with a special focus on how to screen the appropriate masking technology according to the properties of API. Subsequently, we overviewed how to assess taste-masking efficacy, guiding researchers to rationally design taste-masking formulations.
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Affiliation(s)
- Shuqin Hu
- Institute of Advanced Drug Delivery Technology, No.10 Xinghuo Avenue Jiangbei New Area, Nanjing, 210032, People's Republic of China.,China Pharmaceutical University, No. 639 Longmian Avenue, Nanjing, 211198, People's Republic of China
| | - Xiaoxuan Liu
- China Pharmaceutical University, No. 639 Longmian Avenue, Nanjing, 211198, People's Republic of China
| | - Shuangshuang Zhang
- Institute of Advanced Drug Delivery Technology, No.10 Xinghuo Avenue Jiangbei New Area, Nanjing, 210032, People's Republic of China
| | - Danyi Quan
- Institute of Advanced Drug Delivery Technology, No.10 Xinghuo Avenue Jiangbei New Area, Nanjing, 210032, People's Republic of China.
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Sumohan Pillai A, Alexander A, Sri Varalakshmi G, Manikantan V, Allben Akash B, Enoch IV. Cyclodextrin and folate functionalized polymer nanocarriers: Chain length dependent properties. Eur Polym J 2022. [DOI: 10.1016/j.eurpolymj.2022.111550] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Mashaqbeh H, Obaidat R, Al-Shar'i NA. Evaluation of EDTA Dianhydride Versus Diphenyl Carbonate Nanosponges for Curcumin. AAPS PharmSciTech 2022; 23:229. [PMID: 35974237 DOI: 10.1208/s12249-022-02372-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2022] [Accepted: 07/15/2022] [Indexed: 11/30/2022] Open
Abstract
Cyclodextrin-based nanosponges are widely investigated for several applications and are considered potential drug carriers. The method of nanosponges preparation involves the use of chemical cross-linking agents where the properties of Nanosponges can be affected. This study compared the resulting differences in the final nanosponges' properties using carbonate and dianhydride crosslinkers. Diphenyl carbonate and EDTA dianhydride were used for the synthesis of nanosponges. Both types of nanosponges were loaded with curcumin as a model drug. Physicochemical characterizations, including PXRD, DSC, FTIR, scanning electron microscopy, AFM, particle size, zeta potential, and surface area analysis, were carried out for the prepared nanosponges. Curcumin release and drug content were also evaluated. Nanosponges prepared by Diphenyl carbonate crosslinker resulted in an amorphous form compared to crystalline EDTA-nanosponges. This study reported the successful inclusion and complexation of curcumin inside carbonate cross-linked cyclodextrin-based nanosponges and suggested the physical entrapment of crystalline curcumin in EDTA dianhydride. These findings were further investigated and supported by computational modeling.
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Affiliation(s)
- Hadeia Mashaqbeh
- Department of Pharmaceutical Technology, Faculty of Pharmacy, Jordan University of Science and Technology, Ar-Ramtha, Jordan
| | - Rana Obaidat
- Department of Pharmaceutical Technology, Faculty of Pharmacy, Jordan University of Science and Technology, Ar-Ramtha, Jordan.
| | - Nizar A Al-Shar'i
- Department of Medicinal Chemistry, Faculty of Pharmacy, Jordan University of Science and Technology, Ar-Ramtha, Jordan
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Oliveira C, Ferreira CJO, Sousa M, Paris JL, Gaspar R, Silva BFB, Teixeira JA, Ferreira-Santos P, Botelho CM. A Versatile Nanocarrier-Cubosomes, Characterization, and Applications. NANOMATERIALS (BASEL, SWITZERLAND) 2022; 12:2224. [PMID: 35808060 PMCID: PMC9268278 DOI: 10.3390/nano12132224] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/24/2022] [Revised: 06/22/2022] [Accepted: 06/25/2022] [Indexed: 02/05/2023]
Abstract
The impact of nanotechnology on the exponential growth of several research areas, particularly nanomedicine, is undeniable. The ability to deliver active molecules to the desired site could significantly improve the efficiency of medical treatments. One of the nanocarriers developed which has drawn researchers' attention are cubosomes, which are nanosized dispersions of lipid bicontinuous cubic phases in water, consisting of a lipidic interior and aqueous domains folded in a cubic lattice. They stand out due to their ability to incorporate hydrophobic, hydrophilic, and amphiphilic compounds, their tortuous internal configuration that provides a sustained release, and the capacity to protect and safely deliver molecules. Several approaches can be taken to prepare this structure, as well as different lipids like monoolein or phytantriol. This review paper describes the different methods to prepare nanocarriers. As it is known, the physicochemical properties of nanocarriers are very important, as they influence their pharmacokinetics and their ability to incorporate and deliver active molecules. Therefore, an extensive characterization is essential to obtain the desired effect. As a result, we have extensively described the most common techniques to characterize cubosomes, particularly nanocarriers. The exceptional properties of the cubosomes make them suitable to be used in several applications in the biomedical field, from cancer therapeutics to imaging, which will be described. Taking in consideration the outstanding properties of cubosomes, their application in several research fields is envisaged.
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Affiliation(s)
- Cristiana Oliveira
- CEB—Centre of Biological Engineering, University of Minho, Campus de Gualtar, 4710-057 Braga, Portugal; (C.O.); (C.J.O.F.); (M.S.); (J.A.T.); (P.F.-S.)
- LABBELS—Associate Laboratory, 4710-057 Braga, Portugal
| | - Celso J. O. Ferreira
- CEB—Centre of Biological Engineering, University of Minho, Campus de Gualtar, 4710-057 Braga, Portugal; (C.O.); (C.J.O.F.); (M.S.); (J.A.T.); (P.F.-S.)
- LABBELS—Associate Laboratory, 4710-057 Braga, Portugal
- INL—International Iberian Nanotechnology Laboratory, Av. Mestre José Veiga s/n, 4715-330 Braga, Portugal; (R.G.); (B.F.B.S.)
- CF-UM_UP Department of Physics, University of Minho, Campus de Gualtar, 4710-057 Braga, Portugal
| | - Miguel Sousa
- CEB—Centre of Biological Engineering, University of Minho, Campus de Gualtar, 4710-057 Braga, Portugal; (C.O.); (C.J.O.F.); (M.S.); (J.A.T.); (P.F.-S.)
- LABBELS—Associate Laboratory, 4710-057 Braga, Portugal
| | - Juan L. Paris
- Andalusian Centre for Nanomedicine and Biotechnology-BIONAND, 29590 Málaga, Spain;
- Allergy Research Group, Instituto de Investigación Biomédica de Málaga—IBIMA, 29590 Málaga, Spain
| | - Ricardo Gaspar
- INL—International Iberian Nanotechnology Laboratory, Av. Mestre José Veiga s/n, 4715-330 Braga, Portugal; (R.G.); (B.F.B.S.)
| | - Bruno F. B. Silva
- INL—International Iberian Nanotechnology Laboratory, Av. Mestre José Veiga s/n, 4715-330 Braga, Portugal; (R.G.); (B.F.B.S.)
| | - José A. Teixeira
- CEB—Centre of Biological Engineering, University of Minho, Campus de Gualtar, 4710-057 Braga, Portugal; (C.O.); (C.J.O.F.); (M.S.); (J.A.T.); (P.F.-S.)
- LABBELS—Associate Laboratory, 4710-057 Braga, Portugal
| | - Pedro Ferreira-Santos
- CEB—Centre of Biological Engineering, University of Minho, Campus de Gualtar, 4710-057 Braga, Portugal; (C.O.); (C.J.O.F.); (M.S.); (J.A.T.); (P.F.-S.)
- LABBELS—Associate Laboratory, 4710-057 Braga, Portugal
| | - Claudia M. Botelho
- CEB—Centre of Biological Engineering, University of Minho, Campus de Gualtar, 4710-057 Braga, Portugal; (C.O.); (C.J.O.F.); (M.S.); (J.A.T.); (P.F.-S.)
- LABBELS—Associate Laboratory, 4710-057 Braga, Portugal
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Utzeri G, Matias PMC, Murtinho D, Valente AJM. Cyclodextrin-Based Nanosponges: Overview and Opportunities. Front Chem 2022; 10:859406. [PMID: 35402388 PMCID: PMC8987506 DOI: 10.3389/fchem.2022.859406] [Citation(s) in RCA: 25] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2022] [Accepted: 03/02/2022] [Indexed: 01/18/2023] Open
Abstract
Nanosponges are solid cross-linked polymeric nano-sized porous structures. This broad concept involves, among others, metal organic frameworks and hydrogels. The focus of this manuscript is on cyclodextrin-based nanosponges. Cyclodextrins are cyclic oligomers of glucose derived from starch. The combined external hydrophilicity with the internal hydrophobic surface constitute a unique "microenvironment", that confers cyclodextrins the peculiar ability to form inclusion host‒guest complexes with many hydrophobic substances. These complexes may impart beneficial modifications of the properties of guest molecules such as solubility enhancement and stabilization of labile guests. These properties complemented with the possibility of using different crosslinkers and high polymeric surface, make these sponges highly suitable for a large range of applications. Despite that, in the last 2 decades, cyclodextrin-based nanosponges have been developed for pharmaceutical and biomedical applications, taking advantage of the nontoxicity of cyclodextrins towards humans. This paper provides a critical and timely compilation of the contributions involving cyclodextrins nanosponges for those areas, but also paves the way for other important applications, including water and soil remediation and catalysis.
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Bhavin SE, Anuradha G. Nanosponge Approach -A Plethora of Opportunities as a Promising Nanocarrier for Novel Drug Delivery. RECENT PATENTS ON NANOTECHNOLOGY 2022; 16:271-282. [PMID: 34303335 DOI: 10.2174/1872210515666210720141736] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/05/2021] [Revised: 05/21/2021] [Accepted: 05/31/2021] [Indexed: 06/13/2023]
Abstract
BACKGROUND Nanotechnology is the need of the hour! The design of nanotechnologyaided carriers as a tool for the delivery of low solubility molecules offers a potential platform to overcome the issues of current clinical treatment and achieve good targeted release and bioaccessibility. OBJECTIVE Nanosponges (NS) encapsulate types of nanocarriers capable of carrying both lipophilic and hydrophilic substances. They are synthesized by mixing a solution of polyester, which is biodegradable, with cross-linkers. These tiny, porous structures are round-shaped, having multiple cavities wherein drugs can be housed to offer programmable release. METHODS The detailed literature review and patent search summarize the ongoing research on NS. Substances such as poorly soluble drugs, nutraceuticals, gases, proteins and peptides, volatile oils, genetic material, etc., can be loaded on these novel carriers, which are characterized using various analytical techniques. Target-specific drug delivery and controlled drug release are the advantages offered by NS, along with a myriad of other promising applications. RESULTS This review stresses the development of cyclodextrin-based NS, the synthetic methods and characterization of NS, along with factors affecting NS formation, their applications and information on the patented work in this area. NS are solid in character and can be formulated in various dosage forms, such as parenteral, topical, oral or inhalation. CONCLUSION Therefore, owing to their promising benefits over other nanocarriers in terms of drug loading, adaptability, sustainability, solubility and tailored release profile, NS is an immediate technological revolution for drug entrapment and as novel drug carriers.The authors expect that these fundamental applications of NS could help the researchers to develop and gain insight about NS in novel drug delivery applications.
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Affiliation(s)
- Shah Esha Bhavin
- Babaria Institute of Pharmacy, BITS Edu Campus, Vadodara, Gujarat, India and Ramanbhai Patel College of Pharmacy, Charotar University of Science and Technology, Changa, Gujarat. India
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Nejati L, Maram NS, Ahmady AZ. Preparation of Gentamicin Sulfate Nanoparticles using Eudragit RS-100 and Evaluation of Their Physicochemical Properties. INTERNATIONAL JOURNAL OF NANOSCIENCE 2021. [DOI: 10.1142/s0219581x21500496] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
Improving permeability and absorption of drugs are critical research challenges in pharmaceutical science. Gentamicin sulfate is an aminoglycoside antibiotic, which is very active against gram-negative bacteria; however, it has very poor bioavailability. This study aimed to prepare gentamicin nanoparticles with the intention of increased bioavailability. Accordingly, Eudragit RS-100 nanoparticles loaded with gentamicin sulfate were prepared by the double emulsification and solvent evaporation method, a proper technique for encapsulating hydrophilic molecules. Nanoparticles’ suspensions with polymer to drug ratios of 1:1 ([Formula: see text] and 2:1 ([Formula: see text]) were prepared, lyophilized and evaluated for their production yield, physicochemical properties and morphology. The mean particle size was 195.67[Formula: see text]nm and 228[Formula: see text]nm for [Formula: see text] and [Formula: see text], respectively. The formulations’ loading efficiencies were relatively high (85.73 for [Formula: see text] and 85.20 for [Formula: see text]). The nanoparticles’ surface charge (+40.5[Formula: see text]mV) was sufficient to inhibit their aggregation and facilitate the nanoparticles’ absorption through the gastrointestinal tract. The results of differential scanning calorimetry (DSC) and Fourier transform infrared spectroscopy (FT-IR) revealed that drug and polymer stabilized each other by physical interactions between their functional groups. Both formulations presented an initial burst drug release of nearly 20% after 30[Formula: see text]min in phosphate buffer (pH = 7.4). After 24[Formula: see text]h, [Formula: see text] did not release the drug completely, while [Formula: see text] released the whole drug. Overall, nanoparticles with proper characteristics were obtained. This study puts forward the necessity of conducting further research in order to explore the intestinal absorption of these nanoparticles and the possibility of being utilized for oral administration of gentamicin sulfate.
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Affiliation(s)
- Ladan Nejati
- Nanotechnology Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Nader Shakiba Maram
- Nanotechnology Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Amanollah Zarei Ahmady
- Marine Pharmaceutical Sciences Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
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