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Elham Pishavar et al.
Biotechnology progress, 36(3), e2952-e2952 (2019-12-18)
IL-12 is a pleiotropic cytokine, which shows an ideal applicant for tumor immunotherapy, because of its features of creating an interconnection between innate (NK cells) and adaptive (cytotoxic T lymphocyte) immunity. IL-12 gene therapy is a useful technique to deliver
Vivek Badwaik et al.
Macromolecular bioscience, 16(1), 63-73 (2015-08-11)
A family of cationic Pluronic-based polyrotaxanes (PR(+)), threaded with 2-hydroxypropyl-β-cyclodextrin (HPCD), was synthesized for pDNA delivery into multiple cell lines. All PR(+) formed highly stable, positively charged pDNA complexes that were < 250 nm in diameter. The cellular uptake and
Chanyoung Song et al.
International journal of nanomedicine, 12, 7501-7517 (2017-10-27)
In this study, we suggest a designer vaccine adjuvant that can mimic the drainage of pathogens into lymph nodes and activate innate immune response in lymph nodes. By the amination of multivalent carboxyl groups in poly-(γ-glutamic acid) (γ-PGA) nanomicelles, the
Hao Li et al.
Investigative ophthalmology & visual science, 58(12), 5142-5150 (2017-10-08)
Intravitreal injection of antiangiogenic agents is becoming a standard treatment for neovascular retinal diseases. Sustained release of therapeutics by injecting colloidal carriers is a promising approach to reduce the injection frequency, which reduces treatment burdens and the risk of complications
Davide Schiroli et al.
Molecular therapy. Nucleic acids, 17, 891-906 (2019-09-03)
Autosomal dominantly inherited genetic disorders such as corneal dystrophies are amenable to allele-specific gene silencing with small interfering RNA (siRNA). siRNA delivered to the cornea by injection, although effective, is not suitable for a frequent long-term treatment regimen, whereas topical
Rita Ghosh et al.
Langmuir : the ACS journal of surfaces and colloids, 36(21), 5829-5838 (2020-05-12)
PEGylated vesicles are known to serve as blood-persistent drug-delivery systems (DDSs) with potential applications in intravenous drug administration. pH-responsive PEGylated vesicles are also among the most promising stimuli-responsive carriers for drug delivery and controlled release for cancer chemotherapy. Herein, we
Pankaj Omprakash Pathak et al.
Carbohydrate research, 408, 33-43 (2015-04-05)
Asialoglycoprotein receptors (ASGPR) are hepatocyte bound receptors, which exhibit receptor mediated endocytosis (RME) for galactose specific moieties. Arabinogalactan (AG), a liver specific high galactose containing branched polysaccharide was hydrophobized using cholesterol (CHOL) as a lipid anchor via a two step
Zhaleh Pourmoazzen et al.
Colloids and surfaces. B, Biointerfaces, 186, 110685-110685 (2019-12-10)
Two fractions of kraft lignin of low and high molecular weight were reacted with cholesteryl chloroformate (Chol.Cl) to produce a modified lignin that demonstrated very high hydrophobicity. Surprisingly, both fractions displayed discernible melting points as opposed to the starting lignin.
Anna D Peters et al.
Organic & biomolecular chemistry, 16(35), 6479-6490 (2018-08-30)
A bis(cyclam)-capped cholesterol lipid designed to bind C-X-C chemokine receptor type 4 (CXCR4) was synthesised in good overall yield from 4-methoxyphenol through a seven step synthetic route, which also provided a bis(cyclam) intermediate bearing an octaethyleneglycol-primary amine that can be
Remant Kc et al.
Stem cells and development, 28(11), 734-744 (2018-12-27)
Nonviral gene therapy with specific short interfering RNAs (siRNAs) against BCR-Abl can be an alternative and/or supportive therapy of chronic myeloid leukemia (CML) with tyrosine kinase inhibitors (TKIs), given the often observed resistance to TKIs in clinical setting. In this
Sridevi Gorle et al.
European journal of pharmaceutical sciences : official journal of the European Federation for Pharmaceutical Sciences, 59, 83-93 (2014-04-29)
Gene transfer using non-viral vectors is a promising approach for the safe delivery of nucleic acid therapeutics. In this study, we investigate a lipid-based system for targeted gene delivery to malignant cells overexpressing the folate receptor (FR). Cationic liposomes were
Ivan V Chernikov et al.
Nucleic acid therapeutics, 29(1), 33-43 (2018-12-19)
The objective of this study was to analyze the effects of fluorophores on the intracellular accumulation and biological activity of small interfering RNA (siRNA) and its cholesterol conjugates. In this study, we used stem-loop real-time PCR and calibration curves to
Preeti Kumari et al.
Drug delivery, 24(1), 209-223 (2017-02-06)
Polymeric micelles have been widely explored preclinically as suitable delivery systems for poorly soluble chemotherapeutic drugs in cancer therapy. The present study reported the development of cholesterol (Ch)-conjugated poly(D,L-Lactide) (PLA)-based polymeric micelles (mPEG-PLA-Ch) for effective encapsulation and delivery of curcumin
Huangliang Zheng et al.
International journal of pharmaceutics, 558, 187-200 (2019-01-18)
To overstep the dilemma of chemical drug degradation within powerful lysosomes of tumor associated macrophages (TAMs), a sialic acid-polyethylenimine-cholesterol (SA-PEI-CH) modified liposomal doxorubicin (DOX-SPCL) was designed with both TAMs targeting and smart lysosomal trafficking. The modified liposome DOX-SPCL performed particle
Shan Guan et al.
Nature nanotechnology, 14(3), 287-297 (2019-01-30)
Developing safe and efficient non-viral delivery systems remains a major challenge for in vivo applications of gene therapy, especially in cystic fibrosis. Unlike conventional cationic polymers or lipids, the emerging poloxamine-based copolymers display promising in vivo gene delivery capabilities. However
Jasmin Monpara et al.
Drug delivery and translational research, 9(1), 106-122 (2018-08-23)
The aims of the research work were to synthesize ethyl(cholesteryl carbamoyl)-L-arginate (ECCA), an arginine-conjugated cholesterol derivative, and to evaluate its application as a gene delivery vector. The interactions of ECCA with DNA duplex were studied using molecular dynamics (MD) simulations.
Atul A Lohade et al.
AAPS PharmSciTech, 17(6), 1298-1311 (2015-12-23)
Targeted drug delivery systems for cancer improves anti-tumor efficacy and reduces systemic toxicity by restricting availability of cytotoxic drugs within tumors. Targeting moieties, such as natural ligands (folic acid, transferrin, and biotin) which are overexpressed on tumors, have been used
Natalya S Petrova et al.
Nucleic acids research, 40(5), 2330-2344 (2011-11-15)
The conjugation of siRNA to molecules, which can be internalized into the cell via natural transport mechanisms, can result in the enhancement of siRNA cellular uptake. Herein, the carrier-free cellular uptake of nuclease-resistant anti-MDR1 siRNA equipped with lipophilic residues (cholesterol
Qingjing Tian et al.
Drug delivery and translational research, 7(5), 642-653 (2017-07-12)
Tocopheryl polyethylene glycol 1000 succinate (TPGS) is considered a promising surfactant, but its high critical micelle concentration (CMC) limits its application. Cholesterol is hydrophobic, can act as a tumor-targeting ligand, and has strong binding ability with taxoids. Based on this
Tifeng Jiao et al.
Nanoscale research letters, 8(1), 406-406 (2013-10-03)
In this paper, new bolaform cholesteryl imide derivatives with different spacers were designed and synthesized. Their gelation behaviors in 23 solvents were investigated, and some of them were found to be low molecular mass organic gelators. The experimental results indicated
Sebastian Temme et al.
Circulation, 131(16), 1405-1414 (2015-02-24)
Noninvasive detection of deep venous thrombi and subsequent pulmonary thromboembolism is a serious medical challenge, since both incidences are difficult to identify by conventional ultrasound techniques. Here, we report a novel technique for the sensitive and specific identification of developing
Xuelei Pang et al.
Organic & biomolecular chemistry, 14(47), 11176-11182 (2016-11-12)
The facile tuning of the fluorescent properties of organogels is highly desirable for optical switches, light-emitting diodes, chemosensors and bioprobes. The design of organic molecules with multiple emission colors but only one molecular platform remains challenging. Herein, a new cholesterol-based
Xinhua Cao et al.
Chemistry, an Asian journal, 11(22), 3196-3204 (2016-10-28)
A series of bicholesteryl-based gelators with different central linker atoms C, N, and O (abbreviated to GC, GN, and GO, respectively) have been designed and synthesized. The self-assembly processes of these gelators were investigated by using gelation tests, field-emission scanning
Kyung-mi Choi et al.
Biomaterials, 35(25), 7121-7132 (2014-05-24)
Anticancer therapeutics delivering exogenous siRNA have been explored to suppress the tumor-associated genes, but several limitations of siRNA delivery such as tumor-targeted delivery, controlled siRNA release at the sites of interest, or instabilities of siRNA in physiological fluids should be
Liang Ju et al.
International journal of pharmaceutics, 518(1-2), 213-219 (2016-11-28)
As a new kind of drug carries, pH-sensitive liposomes have been widely studied in tumor therapy for their advantages of target ability and sustained-release. Here, we synthesized a pH-sensitive material, N-(3-Aminopropyl)imidazole-cholesterol (IM-Chol) and prepared a novel pH-sensitive liposomes using IM-Chol
Mengjie Rui et al.
International journal of nanomedicine, 7, 3751-3768 (2012-08-14)
Natural high-density lipoproteins (HDL) possess important physiological functions to the transport of cholesterol from the peripheral tissues to the liver for metabolic degradation and excretion in the bile. In this work, we took advantage of this pathway and prepared two
Yunfei Sun et al.
International journal of pharmaceutics, 468(1-2), 83-90 (2014-04-09)
Gene therapy is a potent tool for the treatment of cancer and other gene defect diseases, which involves using DNA that encodes a functional, therapeutic gene to replace a mutated gene. However, the DNA transfection efficiency is restricted by its
Sun-Young Kim et al.
Biomaterials, 130, 56-66 (2017-04-02)
In this study, synthetic vaccine nanoparticles (SVNPs) that efficiently targeted lymph nodes, where immune responses against foreign antigens are primed, were developed to enhance antitumor immunity. The size (20-70 nm) and surface character (amination) of poly(γ-glutamic acid)-based SVNPs were selected for
Jie Shen et al.
Biomaterials, 35(30), 8621-8634 (2014-07-09)
One of the main obstacles in tumor therapy is multiple drug resistance (MDR) and an underlying mechanism of MDR is up-regulation of the transmembrane ATP-binding cassette (ABC) transporter proteins, especially P-glycoprotein (P-gp). In the synergistic treatment of siRNA and anti-cancer
Lijun Geng et al.
Ultrasonics sonochemistry, 58, 104659-104659 (2019-08-28)
Herein, instant and precise control of fluorescent emission color and transmittance could be carried out by ultrasound-promoted gel-to-gel transition of naphthalimide derivatives containing CN unit. It is proved that ultrasound triggered an irreversible and efficient configuration transformation of N1 from
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