Solid Lipid Nanoparticles for Controlled Drug Delivery

A special issue of Pharmaceutics (ISSN 1999-4923). This special issue belongs to the section "Drug Delivery and Controlled Release".

Deadline for manuscript submissions: closed (10 December 2022) | Viewed by 13545

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Guest Editor
1. Department of Herbal Medicine Resource, Kangwon National University, 346 Hwangjo-gil, Dogye-eup, Samcheok-si 25949, Gangwon-do, Republic of Korea
2. Department of Biopharmaceutical Engineering, 1 Gangwondaehak-gil, Seoksa-dong, Chuncheon-si 24341, Gangwon-do, Republic of Korea
Interests: controlled release; bioavailability; lipid-based nanoparticles; transdermal delivery; oral delivery; polymeric particulate system
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Special Issue Information

Dear Colleagues,

Solid lipid nanoparticles have been widely studied because they can be used in advanced drug delivery systems, offering characteristics such as sustained release, the encapsulation of versatile molecular compounds such as hydrophobic and hydrophilic molecules, high biocompatibility, and high biodegradability.

The Special Issue “Solid Lipid Nanoparticles and Controlled Drug Delivery” will deal with all aspects of the solid lipid nanoparticle-mediated delivery of therapeutic compounds. Therapeutic compounds include synthetic drugs and any biological agents. Articles that describe physicochemical properties, release profiles, in vitro cellular studies, and/or in vivo animal works are welcome.

Dr. Jong-Suep Baek
Guest Editor

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Keywords

  • solid lipid nanoparticles (SLN)
  • liposomes
  • controlled drug delivery
  • drug release
  • nanocarriers
  • nanomedicine

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Published Papers (2 papers)

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Research

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28 pages, 3818 KiB  
Article
Preparation and Optimization of MiR-375 Nano-Vector Using Two Novel Chitosan-Coated Nano-Structured Lipid Carriers as Gene Therapy for Hepatocellular Carcinoma
by Bangly Soliman, Ming Ming Wen, Eman Kandil, Basma El-Agamy, Amira M. Gamal-Eldeen and Mahmoud ElHefnawi
Pharmaceutics 2024, 16(4), 494; https://doi.org/10.3390/pharmaceutics16040494 - 3 Apr 2024
Cited by 1 | Viewed by 2367
Abstract
Currently, there is still a lack of effective carriers with minimal side effects to deliver therapeutic miRNA. Thus, it is crucial to optimize novel drug delivery systems. MiR-375 has proven superior therapeutic potency in Hepatocellular carcinoma (HCC). The purpose of this study was [...] Read more.
Currently, there is still a lack of effective carriers with minimal side effects to deliver therapeutic miRNA. Thus, it is crucial to optimize novel drug delivery systems. MiR-375 has proven superior therapeutic potency in Hepatocellular carcinoma (HCC). The purpose of this study was to fabricate 2 novel and smart nano-carriers for the transportation efficiency of miR-375 in HCC cells and enhance its anti-tumor effects. We established the miR-375 construct through the pEGP- miR expression vector. Two nano-carriers of solid/liquid lipids and chitosan (CS) were strategically selected, prepared by high-speed homogenization, and optimized by varying nano-formulation factors. Thus, the two best nano-formulations were designated as F1 (0.5% CS) and F2 (1.5% CS) and were evaluated for miR-375 conjugation efficiency by gel electrophoresis and nanodrop assessment. Then, physio-chemical characteristics and stability tests for the miR-375 nano-plexes were all studied. Next, its efficiencies as replacement therapy in HepG2 cells have been assessed by fluorescence microscopy, flow cytometry, and cytotoxicity assay. The obtained data showed that two cationic nanostructured solid/liquid lipid carriers (NSLCs); F1 and F2 typically had the best physio-chemical parameters and long-term stability. Moreover, both F1 and F2 could form nano-plexes with the anionic miR-375 construct at weight ratios 250/1 and 50/1 via electrostatic interactions. In addition, these nano-plexes exhibited physical stability after three months and protected miR-375 from degradation in the presence of 50% fetal bovine serum (FBS). Furthermore, both nano-plexes could simultaneously deliver miR-375 into HepG2 cells and they ensure miR re-expression even in the presence of 50% FBS compared to free miR-375 (p-value < 0.001). Moreover, both F1 and F2 alone significantly exhibited minimal cytotoxicity in treated cells. In contrast, the nano-plexes significantly inhibited cell growth compared to free miR-375 or doxorubicin (DOX), respectively. More importantly, F2/miR-375 nano-plex exhibited more anti-proliferative activity in treated cells although its IC50 value was 55 times lower than DOX (p-value < 0.001). Collectively, our findings clearly emphasized the multifunctionality of the two CS-coated NSLCs in terms of their enhanced biocompatibility, biostability, conjugation, and transfection efficiency of therapeutic miR-375. Therefore, the NSLCs/miR-375 nano-plexes could serve as a novel and promising therapeutic strategy for HCC. Full article
(This article belongs to the Special Issue Solid Lipid Nanoparticles for Controlled Drug Delivery)
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Review

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22 pages, 3775 KiB  
Review
Review on the Scale-Up Methods for the Preparation of Solid Lipid Nanoparticles
by Sakshi V. Khairnar, Pritha Pagare, Aditya Thakre, Aswathy Rajeevan Nambiar, Vijayabhaskarreddy Junnuthula, Manju Cheripelil Abraham, Praveen Kolimi, Dinesh Nyavanandi and Sathish Dyawanapelly
Pharmaceutics 2022, 14(9), 1886; https://doi.org/10.3390/pharmaceutics14091886 - 6 Sep 2022
Cited by 86 | Viewed by 10526
Abstract
Solid lipid nanoparticles (SLNs) are an alternate carrier system to liposomes, polymeric nanoparticles, and inorganic carriers. SLNs have attracted increasing attention in recent years for delivering drugs, nucleic acids, proteins, peptides, nutraceuticals, and cosmetics. These nanocarriers have attracted industrial attention due to their [...] Read more.
Solid lipid nanoparticles (SLNs) are an alternate carrier system to liposomes, polymeric nanoparticles, and inorganic carriers. SLNs have attracted increasing attention in recent years for delivering drugs, nucleic acids, proteins, peptides, nutraceuticals, and cosmetics. These nanocarriers have attracted industrial attention due to their ease of preparation, physicochemical stability, and scalability. These characteristics make SLNs attractive for manufacture on a large scale. Currently, several products with SLNs are in clinical trials, and there is a high possibility that SLN carriers will quickly increase their presence in the market. A large-scale manufacturing unit is required for commercial applications to prepare enough formulations for clinical studies. Furthermore, continuous processing is becoming more popular in the pharmaceutical sector to reduce product batch-to-batch differences. This review paper discusses some conventional methods and the rationale for large-scale production. It further covers recent progress in scale-up methods for the synthesis of SLNs, including high-pressure homogenization (HPH), hot melt extrusion coupled with HPH, microchannels, nanoprecipitation using static mixers, and microemulsion-based methods. These scale-up technologies enable the possibility of commercialization of SLNs. Furthermore, ongoing studies indicate that these technologies will eventually reach the pharmaceutical market. Full article
(This article belongs to the Special Issue Solid Lipid Nanoparticles for Controlled Drug Delivery)
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