scholarly journals Microbial Exopolysaccharides as Drug Carriers

Polymers ◽  
2020 ◽  
Vol 12 (9) ◽  
pp. 2142
Author(s):  
Antonio Tabernero ◽  
Stefano Cardea
Keyword(s):  
Drug Delivery ◽  
Self Assembly ◽  
Drug Delivery Systems ◽  
Drug Carriers ◽  
Delivery Systems ◽  
Carrier Selection ◽  
Living Organisms ◽  
Microbial Exopolysaccharides ◽  
Different Characteristics ◽  
Fermentative Process

Microbial exopolysaccharides are peculiar polymers that are produced by living organisms and protect them against environmental factors. These polymers are industrially recovered from the medium culture after performing a fermentative process. These materials are biocompatible and biodegradable, possessing specific and beneficial properties for biomedical drug delivery systems. They can have antitumor activity, they can produce hydrogels with different characteristics due to their molecular structure and functional groups, and they can even produce nanoparticles via a self-assembly phenomenon. This review studies the potential use of exopolysaccharides as carriers for drug delivery systems, covering their versatility and their vast possibilities to produce particles, fibers, scaffolds, hydrogels, and aerogels with different strategies and methodologies. Moreover, the main properties of exopolysaccharides are explained, providing information to achieve an adequate carrier selection depending on the final application.

scholarly journals Polymeric Drug Delivery System Based on Pluronics for Cancer Treatment

Molecules ◽  
2021 ◽  
Vol 26 (12) ◽  
pp. 3610
Author(s):  
Jialin Yu ◽  
Huayu Qiu ◽  
Shouchun Yin ◽  
Hebin Wang ◽  
Yang Li
Keyword(s):  
Drug Delivery ◽  
Self Assembly ◽  
Drug Delivery Systems ◽  
Tumor Therapy ◽  
Chemical Properties ◽  
Drug Carriers ◽  
Disease Diagnosis ◽  
Delivery Systems ◽  
Polymeric Drug Delivery ◽  
Physical And Chemical

Pluronic polymers (pluronics) are a unique class of synthetic triblock copolymers containing hydrophobic polypropylene oxide (PPO) and hydrophilic polyethylene oxide (PEO) arranged in the PEO-PPO-PEO manner. Due to their excellent biocompatibility and amphiphilic properties, pluronics are an ideal and promising biological material, which is widely used in drug delivery, disease diagnosis, and treatment, among other applications. Through self-assembly or in combination with other materials, pluronics can form nano carriers with different morphologies, representing a kind of multifunctional pharmaceutical excipients. In recent years, the utilization of pluronic-based multi-functional drug carriers in tumor treatment has become widespread, and various responsive drug carriers are designed according to the characteristics of the tumor microenvironment, resulting in major progress in tumor therapy. This review introduces the specific role of pluronic-based polymer drug delivery systems in tumor therapy, focusing on their physical and chemical properties as well as the design aspects of pluronic polymers. Finally, using newer literature reports, this review provides insights into the future potential and challenges posed by different pluronic-based polymer drug delivery systems in tumor therapy.

Carbon Nanotubes, Quantum Dots and Dendrimers as Potential Nanodevices for Nanotechnology Drug Delivery Systems

2013 ◽  
Vol 6 (3) ◽  
pp. 2113-2124
Author(s):  
Prashant Malik ◽  
Neha Gulati ◽  
Raj Kaur Malik ◽  
Upendra Nagaich
Keyword(s):  
Carbon Nanotubes ◽  
Drug Delivery ◽  
Quantum Dots ◽  
Self Assembly ◽  
Drug Delivery Systems ◽  
Delivery Systems ◽  
Atomic Scale ◽  
Sustained Drug Delivery ◽  
Pharmaceutical Nanotechnology ◽  
Conventional Device

Nanotechnology deal with the particle size in nanometers. Nanotechnology is ranging from extensions of conventional device physics to completely new approaches based upon molecular self assembly, from developing new materials with dimensions on the nanoscale to direct control of matter on the atomic scale. In nanotechnology mainly three types of nanodevices are described: carbon nanotubes, quantum dots and dendrimers. It is a recent technique used as small size particles to treat many diseases like cancer, gene therapy and used as diagnostics. Nanotechnology used to formulate targeted, controlled and sustained drug delivery systems. Pharmaceutical nanotechnology embraces applications of nanoscience to pharmacy as nanomaterials and as devices like drug delivery, diagnostic, imaging and biosensor materials. Pharmaceutical nanotechnology has provided more fine tuned diagnosis and focused treatment of disease at a molecular level.    

Advances in the use of MOFs for Cancer Diagnosis and Treatment: An Overview

2020 ◽  
Vol 26 (33) ◽  
pp. 4174-4184
Author(s):  
Marina P. Abuçafy ◽  
Bruna L. da Silva ◽  
João A. Oshiro-Junior ◽  
Eloisa B. Manaia ◽  
Bruna G. Chiari-Andréo ◽  
...  
Keyword(s):  
Drug Delivery ◽  
Drug Delivery Systems ◽  
Rational Design ◽  
Gas Adsorption ◽  
Drug Loading ◽  
Drug Carriers ◽  
Delivery Systems ◽  
Academic Community ◽  
Anticancer Drug Delivery ◽  
Diagnostic Agents

Nanoparticles as drug delivery systems and diagnostic agents have gained much attention in recent years, especially for cancer treatment. Nanocarriers improve the therapeutic efficiency and bioavailability of antitumor drugs, besides providing preferential accumulation at the target site. Among different types of nanocarriers for drug delivery assays, metal-organic frameworks (MOFs) have attracted increasing interest in the academic community. MOFs are an emerging class of coordination polymers constructed of metal nodes or clusters and organic linkers that show the capacity to combine a porous structure with high drug loading through distinct kinds of interactions, overcoming the limitations of traditional drug carriers explored up to date. Despite the rational design and synthesis of MOFs, structural aspects and some applications of these materials like gas adsorption have already been comprehensively described in recent years; it is time to demonstrate their potential applications in biomedicine. In this context, MOFs can be used as drug delivery systems and theranostic platforms due to their ability to release drugs and accommodate imaging agents. This review describes the intrinsic characteristics of nanocarriers used in cancer therapy and highlights the latest advances in MOFs as anticancer drug delivery systems and diagnostic agents.

Biocompatible Nanovesicular Drug Delivery Systems with Targeting Potential for Autoimmune Diseases

2020 ◽  
Vol 26 (42) ◽  
pp. 5488-5502 ◽  
Author(s):  
Yub Raj Neupane ◽  
Asiya Mahtab ◽  
Lubna Siddiqui ◽  
Archu Singh ◽  
Namrata Gautam ◽  
...  
Keyword(s):  
Drug Delivery ◽  
Autoimmune Diseases ◽  
Lupus Erythematosus ◽  
Drug Delivery Systems ◽  
Drug Carriers ◽  
Immunological Tolerance ◽  
Delivery Systems ◽  
The Body ◽  
Autoimmune Response ◽  
Treatment Modalities

Autoimmune diseases are collectively addressed as chronic conditions initiated by the loss of one’s immunological tolerance, where the body treats its own cells as foreigners or self-antigens. These hay-wired antibodies or immunologically capable cells lead to a variety of disorders like rheumatoid arthritis, psoriatic arthritis, systemic lupus erythematosus, multiple sclerosis and recently included neurodegenerative diseases like Alzheimer’s, Parkinsonism and testicular cancer triggered T-cells induced autoimmune response in testes and brain. Conventional treatments for autoimmune diseases possess several downsides due to unfavourable pharmacokinetic behaviour of drug, reflected by low bioavailability, rapid clearance, offsite toxicity, restricted targeting ability and poor therapeutic outcomes. Novel nanovesicular drug delivery systems including liposomes, niosomes, proniosomes, ethosomes, transferosomes, pharmacosomes, ufasomes and biologically originated exosomes have proved to possess alluring prospects in supporting the combat against autoimmune diseases. These nanovesicles have revitalized available treatment modalities as they are biocompatible, biodegradable, less immunogenic and capable of carrying high drug payloads to deliver both hydrophilic as well as lipophilic drugs to specific sites via passive or active targeting. Due to their unique surface chemistry, they can be decorated with physiological or synthetic ligands to target specific receptors overexpressed in different autoimmune diseases and can even cross the blood-brain barrier. This review presents exhaustive yet concise information on the potential of various nanovesicular systems as drug carriers in improving the overall therapeutic efficiency of the dosage regimen for various autoimmune diseases. The role of endogenous exosomes as biomarkers in the diagnosis and prognosis of autoimmune diseases along with monitoring progress of treatment will also be highlighted.

scholarly journals Nanoparticulate targeted drug delivery systems - A Review

2020 ◽  
Vol 11 (2) ◽  
pp. 2505-2518
Author(s):  
Sindhuja Devaraj ◽  
Ganesh GNK
Keyword(s):  
Drug Delivery ◽  
Drug Delivery System ◽  
Delivery System ◽  
Self Assembly ◽  
Drug Targeting ◽  
Drug Delivery Systems ◽  
Therapeutic Index ◽  
Delivery Systems ◽  
Developing System ◽  
General Method

Nanoparticulate drug delivery system are the rapidly developing system, and nanoparticles are present in the size range of 1-100nm. Nanoparticles composed of various thermal, electrical, and optical property. Nanoparticles offers the potential advantages over the traditional dosage forms it is ascribable to the properties of nanoparticles. Nanoparticulate drug delivery system ensures the site-specific delivery of a drug(Targeting drug delivery) and aids in improving the efficacy of the new as well as old drugs and has the potential in crossing the various physiological barriers and also improves the therapeutic index of the drugs and increases the patient compliance. The objectives of this review is to classify the nanoparticles based on the different groups, surface properties of nanoparticles, describe the strategies of drug targeting, the necessity of nanoparticles their general method of preparation, different methods used in characterization, self- assembly and mechanism of drug release in a systemic manner. The potential advantages and limitations of various nanoparticulate drug delivery systems are also discussed elaborately.

Design and self-assembly of albumin nanoclusters as a dynamic-covalent targeting co-delivery and stimuli-responsive controlled release platform

2018 ◽  
Vol 6 (42) ◽  
pp. 6817-6830 ◽  
Author(s):  
Wen Liu ◽  
Jian Dai ◽  
Wei Xue
Keyword(s):  
Drug Delivery ◽  
Controlled Release ◽  
Tumor Microenvironment ◽  
Self Assembly ◽  
Drug Delivery Systems ◽  
Delivery Systems ◽  
Stimuli Responsive ◽  
Target Sites

Stimuli-responsive nanomaterial-based drug delivery systems that are able to actively target the tumor microenvironment, enhance intratumoral accumulation and release drugs at target sites are attractive therapeutic platforms at present.

scholarly journals Solid Lipid Nanoparticles and Nanostructured Lipid Carriers as Smart Drug Delivery Systems in the Treatment of Glioblastoma Multiforme

Pharmaceutics ◽  
2020 ◽  
Vol 12 (9) ◽  
pp. 860
Author(s):  
Raneem Jnaidi ◽  
António José Almeida ◽  
Lídia M. Gonçalves
Keyword(s):  
Drug Delivery ◽  
Glioblastoma Multiforme ◽  
Solid Lipid Nanoparticles ◽  
Drug Delivery Systems ◽  
Drug Carriers ◽  
Lipid Nanoparticles ◽  
Tumor Location ◽  
Delivery Systems ◽  
Nanostructured Lipid Carriers ◽  
Solid Lipid

Glioblastoma multiforme (GBM) is the most common and malignant type of brain tumor. In fact, tumor recurrence usually appears a few months after surgical resection and chemotherapy, mainly due to many factors that make GBM treatment a real challenge, such as tumor location, heterogeneity, presence of the blood-brain barrier (BBB), and others. Solid lipid nanoparticles (SLNs) and nanostructured lipid carriers (NLCs) represent the most promising carriers for therapeutics delivery into the central nervous system (CNS) owing to their inherent ability to cross the BBB. In this review, we present the main challenges in GBM treatment, a description of SLNs and NLCs and their valuable role as drug carriers in GBM treatment, and finally, a detailed description of all modification strategies that aim to change composition of SLNs and NLCs to enhance treatment outcomes. This includes modification of SLNs and NLCs to improve crossing the BBB, reduced GBM cell resistance, target GBM cells selectively minimizing side effects, and modification strategies to enhance SLNs and NLCs nose-to-brain delivery. Finally, future perspectives on their use are also be discussed, to provide insight about all strategies with SLNs and NLCs formulation that could result in drug delivery systems for GBM treatment with highly effective theraputic and minimum undesirable effects.

scholarly journals Food-Derived Nanoscopic Drug Delivery Systems for Treatment of Rheumatoid Arthritis

Molecules ◽  
2020 ◽  
Vol 25 (15) ◽  
pp. 3506
Author(s):  
Dong Han ◽  
Qilei Chen ◽  
Hubiao Chen
Keyword(s):  
Rheumatoid Arthritis ◽  
Drug Delivery ◽  
Drug Delivery Systems ◽  
Drug Carriers ◽  
Delivery Systems ◽  
Bioactive Molecules ◽  
Research Orientation ◽  
Therapeutic Outcomes ◽  
Systemic Inflammatory Disease ◽  
Recent Developments

Rheumatoid arthritis (RA) is a severe systemic inflammatory disease with no cure at present. Recent developments in the understanding of inflammation and nanomaterial science have led to increased applications of nanostructured drug delivery systems in the treatment of RA. The present review summarizes novel fabrications of nanoscale drug carriers using food components as either the delivered drugs or carrier structures, in order to achieve safe, effective and convenient drug administration. Polyphenols and flavonoids are among the most frequently carried anti-RA therapeutics in the nanosystems. Fatty substances, polysaccharides, and peptides/proteins can function as structuring agents of the nanocarriers. Frequently used nanostructures include nanoemulsions, nanocapsules, liposomes, and various nanoparticles. Using these nanostructures has improved drug solubility, absorption, biodistribution, stability, targeted accumulation, and release. Joint vectorization, i.e., using a combination of bioactive molecules, can bring elevated therapeutic outcomes. Utilization of anti-arthritic chemicals that can self-assemble into nanostructures is a promising research orientation in this field.

scholarly journals Perspectives of Molecularly Imprinted Polymer-Based Drug Delivery Systems in Cancer Therapy

Polymers ◽  
2019 ◽  
Vol 11 (12) ◽  
pp. 2085 ◽  
Author(s):  
Andreea Elena Bodoki ◽  
Bogdan-Cezar Iacob ◽  
Ede Bodoki
Keyword(s):  
Drug Delivery ◽  
Molecularly Imprinted Polymer ◽  
Drug Delivery Systems ◽  
Value Added ◽  
Drug Carriers ◽  
Delivery Systems ◽  
Severe Toxicity ◽  
Imprinted Polymer ◽  
Molecularly Imprinted ◽  
Cancer Management

Despite the considerable effort made in the past decades, multiple aspects of cancer management remain a challenge for the scientific community. The severe toxicity and poor bioavailability of conventional chemotherapeutics, and the multidrug resistance have turned the attention of researchers towards the quest of drug carriers engineered to offer an efficient, localized, temporized, and doze-controlled delivery of antitumor agents of proven clinical value. Molecular imprinting of chemotherapeutics is very appealing in the design of drug delivery systems since the specific and selective binding sites created within the polymeric matrix turn these complex structures into value-added carriers with tunable features, notably high loading capacity, and a good control of payload release. Our work aims to summarize the present state-of-the art of molecularly imprinted polymer-based drug delivery systems developed for anticancer therapy, with emphasis on the particularities of the chemotherapeutics’ release and with a critical assessment of the current challenges and future perspectives of these unique drug carriers.

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