IRON OXIDE MAGNETIC NANOPARTICLES AS DRUG DELIVERY SYSTEMS FOR BRAIN CANCER TREATMENT

2021 ◽  
Vol 2 (1) ◽  
pp. 55-66
Author(s):  
Oana Stefana Purcaru ◽  
Alexandra Costachi ◽  
Catalina Elena Cioc ◽  
Alice Buteica ◽  
Anica Dricu
Keyword(s):  
Drug Delivery ◽  
Magnetic Nanoparticles ◽  
Cancer Treatment ◽  
Targeted Delivery ◽  
Drug Delivery Systems ◽  
High Grade Glioma ◽  
Delivery Systems ◽  
Cancer Drug ◽  
Vitro Effect

Nanotechnology offers a new horizon for cancer drug administration and systemic safety of oncological treatments. Compared with conventional pharmaceutical forms, nanoparticles (NPs) have many advantages such as larger surface, ability to adsorb and targeted delivery of different types of drugs, providing decreased side effects and a patient customed approach in cancer treatment. Due to their diverse chemical composition, NPs offer the possibility of developing innovative therapies, which may be also applied in glioblastoma treatment. Fe3O4 magnetic nanoparticles (MNPs) have been previously used in cancer treatment, as targeted drug delivery systems. Helianthin is an azo dye compound that we found to induce cell death in high grade glioma (HGG) cells. In this study, we analyzed the in vitro effect of MNPs loaded with Helianthin (HeMNPs) on a glioblastoma cell line (GB2B).

scholarly journals Mechanisms and Pharmaceutical Action of Lipid Nanoformulation of Natural Bioactive Compounds as Efficient Delivery Systems in the Therapy of Osteoarthritis

Pharmaceutics ◽  
2021 ◽  
Vol 13 (8) ◽  
pp. 1108
Author(s):  
Oana Craciunescu ◽  
Madalina Icriverzi ◽  
Paula Ecaterina Florian ◽  
Anca Roseanu ◽  
Mihaela Trif
Keyword(s):  
Drug Delivery ◽  
Bioactive Compounds ◽  
Targeted Delivery ◽  
Drug Delivery Systems ◽  
Delivery Systems ◽  
Joint Disease ◽  
Duration Of Action ◽  
Immune System Activation

Osteoarthritis (OA) is a degenerative joint disease. An objective of the nanomedicine and drug delivery systems field is to design suitable pharmaceutical nanocarriers with controllable properties for drug delivery and site-specific targeting, in order to achieve greater efficacy and minimal toxicity, compared to the conventional drugs. The aim of this review is to present recent data on natural bioactive compounds with anti-inflammatory properties and efficacy in the treatment of OA, their formulation in lipid nanostructured carriers, mainly liposomes, as controlled release systems and the possibility to be intra-articularly (IA) administered. The literature regarding glycosaminoglycans, proteins, polyphenols and their ability to modify the cell response and mechanisms of action in different models of inflammation are reviewed. The advantages and limits of using lipid nanoformulations as drug delivery systems in OA treatment and the suitable route of administration are also discussed. Liposomes containing glycosaminoglycans presented good biocompatibility, lack of immune system activation, targeted delivery of bioactive compounds to the site of action, protection and efficiency of the encapsulated material, and prolonged duration of action, being highly recommended as controlled delivery systems in OA therapy through IA administration. Lipid nanoformulations of polyphenols were tested both in vivo and in vitro models that mimic OA conditions after IA or other routes of administration, recommending their clinical application.

Redox Sensitive Polysaccharide Based Nanoparticles for Improved Cancer Treatment: A Comprehensive Review

2018 ◽  
Vol 24 (28) ◽  
pp. 3303-3319 ◽  
Author(s):  
Erfaneh Ghassami ◽  
Jaleh Varshosaz ◽  
Somayeh Taymouri
Keyword(s):  
Drug Delivery ◽  
Cancer Treatment ◽  
Drug Delivery Systems ◽  
Chemical Properties ◽  
Delivery Systems ◽  
Exchange Reactions ◽  
Triggered Release ◽  
Redox Responsive

Background: Among the numerous bio-responsive polymeric drug delivery systems developed recently, redox-triggered release of molecular payloads have gained great deal of attention, especially in the field of anticancer drug delivery. In most cases, these systems rely on disulfide bonds located either in the matrix crosslinks, or in auxiliary chains to achieve stimuli-responsive drug release. These bonds keep their stability in extracellular environments, yet, rapidly break by thiol–disulfide exchange reactions in the cytosol, due to the presence of greater levels of glutathione. Polysaccharides are macromolecules with low cost, natural abundance, biocompatibility, biodegradability, appropriate physical and chemical properties, and presence of numerous functional groups which facilitate chemical or physical cross-linking. Methods: With regards to the remarkable advantages of polysaccharides, in the current study, various polysaccharide-based redox-responsive drug delivery systems are reviewed. In most cases the in vitro/in vivo effects of the developed system were also evaluated. Results: Considering the hypoxic and reducing nature of the tumor microenvironment, with several folds higher glutathione levels than the systemic tissues, redox-sensitive polymeric systems could be implemented for tumorspecific drug delivery and the results of the previous researches in this field indicated satisfactory achievements. Conclusion: According to the reviewed papers, the efficiency of diverse redox-responsive polysaccharide-based nanoparticles with therapeutic payloads in cancer chemotherapy could be concluded. Nevertheless, more comprehensive studies are required to understand the exact intracellular and systemic fate of these nano-carriers, as well as their clinical efficacy for cancer treatment.

scholarly journals TARGETED DRUG DELIVERY SYSTEMS IN BREAST CANCER CHEMOTHERAPY

2021 ◽  
Vol 77 (1) ◽  
pp. 12-16
Author(s):  
A.H. Al-Humairi ◽  
◽  
O.V. Ostrovsky ◽  
E.V. Zykova ◽  
D.L. Speransky ◽  
...  
Keyword(s):  
Breast Cancer ◽  
Drug Delivery ◽  
Targeted Drug Delivery ◽  
Targeted Delivery ◽  
Drug Delivery Systems ◽  
Delivery Systems ◽  
Cancer Drug ◽  
Breast Cancer Chemotherapy ◽  
Targeted Drug ◽  
Targeted Drug Delivery Systems

The article presents a review, systematizing the state and directions of development in the fabrication of targeted drug delivery systems in relation to the treatment of breast cancer. Drug delivery systems constructed on the basis of natural and artificial liposomes, nanoparticles of various nature, polymers, and dendrimer structures are consistently considered. For each class of platforms, information is provided on the features of the structure and functional properties of carriers, on successful examples of their use for the treatment of breast cancer at various stages of preclinical and clinical trials. The most probable directions to achieve a progress in the development of new systems for targeted delivery of antitumor drugs are shown.

scholarly journals The synthesis, characterization and applications of poly[N-isopropylacrylamide-co-3-allyloxy-1,2-propanediol] grafted onto modified magnetic nanoparticles

RSC Advances ◽  
2020 ◽  
Vol 10 (6) ◽  
pp. 3511-3519
Author(s):  
Arash Alipour ◽  
Mehrnaz Babaei Shekardasht ◽  
Parvin Gharbani
Keyword(s):  
Drug Delivery ◽  
Magnetic Nanoparticles ◽  
Drug Delivery Systems ◽  
Biological Fluids ◽  
Delivery Systems ◽  
Novel Method ◽  
Modified Magnetic Nanoparticles

In this paper, a novel method is investigated for the extraction, determination, and delivery of ceftazidime in simulated gastric and real biological fluids such as serum plasma and urine in in vitro drug delivery systems.

Synthesis and in vitro Evaluation of Tamoxifen-Loaded Gelatin as Effective Nanocomplex in Drug Delivery Systems

2020 ◽  
Vol 19 (05) ◽  
pp. 2050002
Author(s):  
Nasrin Faramarzi ◽  
Javad Mohammadnejad ◽  
Hanieh Jafary ◽  
Asghar Narmani ◽  
Mojtaba Koosha ◽  
...  
Keyword(s):  
Drug Delivery ◽  
Cell Death ◽  
Cancer Treatment ◽  
Drug Delivery Systems ◽  
Drug Loading ◽  
Delivery Systems ◽  
Gelatin Nanoparticles ◽  
Drug Efficiency ◽  
Mcf 7

Recently, using gelatin nanoparticles as a biocompatible carrier in drug delivery systems is growing up. Drug delivery is one of the most common applications of nanoparticles in cancer treatment in order to optimize the drug efficiency. In this study, gelatin nanoparticles were firstly synthesized and loaded with tamoxifen that subsequently characterized by SEM, TGA and FT-IR analyses. The approximate drug loading efficiency was calculated about 17.43% for tamoxifen-loaded gelatin (TG). Then, the effect of TG on apoptosis induction and cytotoxicity of MCF-7 cell line was evaluated and compared with flow cytometry and MTT assay. The MTT results showed that tamoxifen and TG nanoparticles could inhibit the proliferation of MCF-7 cells in a dose-responsive manner, with an IC[Formula: see text] of IC[Formula: see text] of 200 [Formula: see text]g/mL and 50 [Formula: see text]g/mL after 24[Formula: see text]h and 48[Formula: see text]h, respectively. Moreover, from flow cytometric results, it can be suggested that TG nanoparticles are more potent in inducing apoptosis and cell death through programmed cell death. Actually, TG nanoparticles primarily increased the early apoptotic cells during the 24-h incubation period Our results revealed that tamoxifen-loaded gelatin nanoparticles are more potent than tamoxifen alone. These findings support the use of tamoxifen-loaded gelatin nanoparticles in target-specific therapy for cancer treatment.

scholarly journals STAR particles in context: a novel contender in the search for optimized drug-delivery systems

2021 ◽  
Author(s):  
Faris Soloman Almadi ◽  
Saad I Mallah
Keyword(s):  
Drug Delivery ◽  
Targeted Delivery ◽  
Drug Delivery Systems ◽  
Topical Therapy ◽  
Delivery Systems ◽  
Minimal Invasiveness ◽  
Transdermal Drug Delivery Systems ◽  
User Friendly

Targeted delivery, maximized bioavailability, minimal invasiveness, minimal side effects and cost–effectiveness are all markers of a successful drug delivery method. Although topical therapy, where diseased skin is targeted, remains a method of limited use, transdermal drug delivery systems seek to utilize skin as a vehicle for deeper systemic effects. Recently, Tadros et al. outlined an innovation to maximize the potential of topical delivery as a minimally invasive, user-friendly and safe medium. STAR particles seek to improve transdermal delivery by creating micropores in the stratum corneum. Several investigations have been conducted with promising results, including in vitro and in vivo animal and human studies. Despite a number of limitations and further considerations, the potential implications of STAR particles in the clinical disease setting are monumental.

Chitosan-based Polymer Matrix for Pharmaceutical Excipients and Drug Delivery

2019 ◽  
Vol 26 (14) ◽  
pp. 2502-2513 ◽  
Author(s):  
Md. Iqbal Hassan Khan ◽  
Xingye An ◽  
Lei Dai ◽  
Hailong Li ◽  
Avik Khan ◽  
...  
Keyword(s):  
Drug Delivery ◽  
Drug Delivery Systems ◽  
Drug Carrier ◽  
Drug Loading ◽  
Delivery Systems ◽  
Cancer Drug ◽  
Release Mechanism ◽  
Innovative Drug ◽  
Pharmaceutical Excipients ◽  
Weight Variation

The development of innovative drug delivery systems, versatile to different drug characteristics with better effectiveness and safety, has always been in high demand. Chitosan, an aminopolysaccharide, derived from natural chitin biomass, has received much attention as one of the emerging pharmaceutical excipients and drug delivery entities. Chitosan and its derivatives can be used for direct compression tablets, as disintegrant for controlled release or for improving dissolution. Chitosan has been reported for use in drug delivery system to produce drugs with enhanced muco-adhesiveness, permeation, absorption and bioavailability. Due to filmogenic and ionic properties of chitosan and its derivative(s), drug release mechanism using microsphere technology in hydrogel formulation is particularly relevant to pharmaceutical product development. This review highlights the suitability and future of chitosan in drug delivery with special attention to drug loading and release from chitosan based hydrogels. Extensive studies on the favorable non-toxicity, biocompatibility, biodegradability, solubility and molecular weight variation have made this polymer an attractive candidate for developing novel drug delivery systems including various advanced therapeutic applications such as gene delivery, DNA based drugs, organ specific drug carrier, cancer drug carrier, etc.

Improved Therapeutic Efficacy of Topotecan Against A549 Lung Cancer Cells with Folate-targeted Topotecan Liposomes

2020 ◽  
Vol 21 (11) ◽  
pp. 902-909
Author(s):  
Jingxin Zhang ◽  
Weiyue Shi ◽  
Gangqiang Xue ◽  
Qiang Ma ◽  
Haixin Cui ◽  
...  
Keyword(s):  
Lung Cancer ◽  
Drug Delivery ◽  
Cancer Cells ◽  
Targeted Delivery ◽  
Therapeutic Efficacy ◽  
Drug Delivery Systems ◽  
Lung Tumor ◽  
A549 Cells ◽  
Delivery Systems ◽  
Lung Cancer Cells

Background: Among all cancers, lung cancer has high mortality among patients in most of the countries in the world. Targeted delivery of anticancer drugs can significantly reduce the side effects and dramatically improve the effects of the treatment. Folate, a suitable ligand, can be modified to the surface of tumor-selective drug delivery systems because it can selectively bind to the folate receptor, which is highly expressed on the surface of lung tumor cells. Objective: This study aimed to construct a kind of folate-targeted topotecan liposomes for investigating their efficacy and mechanism of action in the treatment of lung cancer in preclinical models. Methods: We conjugated topotecan liposomes with folate, and the liposomes were characterized by particle size, entrapment efficiency, cytotoxicity to A549 cells and in vitro release profile. Technical evaluations were performed on lung cancer A549 cells and xenografted A549 cancer cells in female nude mice, and the pharmacokinetics of the drug were evaluated in female SD rats. Results: The folate-targeted topotecan liposomes were proven to show effectiveness in targeting lung tumors. The anti-tumor effects of these liposomes were demonstrated by the decreased tumor volume and improved therapeutic efficacy. The folate-targeted topotecan liposomes also lengthened the topotecan blood circulation time. Conclusion: The folate-targeted topotecan liposomes are effective drug delivery systems and can be easily modified with folate, enabling the targeted liposomes to deliver topotecan to lung cancer cells and kill them, which could be used as potential carriers for lung chemotherapy.

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