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Artificial Cells, Nanomedicine, and Biotechnology

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https://www.readbyqxmd.com/read/29336177/in-vivo-assessment-of-a-nanofibrous-silk-tube-as-nerve-guide-for-sciatic-nerve-regeneration
#1
Maryam Ebrahimi, Jafar Ai, Esmaeil Biazar, Somayeh Ebrahimi-Barough, Arash Khojasteh, Meysam Yazdankhah, Siavash Sharifi, Arman Ai, Saeed Heidari-Keshel
A nanofibrous silk nerve conduit has been evaluated for its efficiency based on the promotion of peripheral nerve regeneration in rats. The designed tubes with or without Schwann cells were implanted into a 10 mm gap in the sciatic nerves of the rats. Four months after the surgery, the regenerated nerves were monitored and evaluated by macroscopic assessments and histology. The results demonstrated that the nanofibrous grafts, especially in the presence of Schwann cells, enabled reconstruction of the rat sciatic nerve trunk with a restoration of nerve continuity and formation of nerve fibres with myelination...
January 16, 2018: Artificial Cells, Nanomedicine, and Biotechnology
https://www.readbyqxmd.com/read/29336172/correction-to-erci-et%C3%A2-al-green-synthesis-of-silver-nanoparticles-using-thymbra-spicata-l-var-spicata-zahter-aqueous-leaf-extract-and-evaluation-of-their-morphology-dependent-antibacterial-and-cytotoxic-activity
#2
(no author information available yet)
No abstract text is available yet for this article.
January 16, 2018: Artificial Cells, Nanomedicine, and Biotechnology
https://www.readbyqxmd.com/read/29336169/bone-metastasis-target-redox-responsive-micell-for-the-treatment-of-lung-cancer-bone-metastasis-and-anti-bone-resorption
#3
Wei-Liang Ye, Yi-Pu Zhao, Ying Cheng, Dao-Zhou Liu, Han Cui, Miao Liu, Bang-Le Zhang, Qi-Bing Mei, Si-Yuan Zhou
In order to inhibit the growth of lung cancer bone metastasis and reduce the bone resorption at bone metastasis sites, a bone metastasis target micelle DOX@DBMs-ALN was prepared. The size and the zeta potential of DOX@DBNs-ALN were about 60 nm and -15 mV, respectively. DOX@DBMs-ALN exhibited high binding affinity with hydroxyapatite and released DOX in redox-responsive manner. DOX@DBMs-ALN was effectively up taken by A549 cells and delivered DOX to the nucleus of A549 cells, which resulted in strong cytotoxicity on A549 cells...
January 16, 2018: Artificial Cells, Nanomedicine, and Biotechnology
https://www.readbyqxmd.com/read/29336165/development-of-novel-delivery-system-for-nanoencapsulation-of-catalase-formulation-characterization-and-in-vivo-evaluation-using-oxidative-skin-injury-model
#4
Heidi Mohamed Abdel-Mageed, Afaf S Fahmy, Dalia S Shaker, Saleh A Mohamed
One of the main challenges for successful pharmaceutical application of Catalase (CAT) is maintaining its stability. Physical immobilization of CAT through nano-encapsulation was proposed to resolve this challenge. CAT encapsulating niosomes (e-CAT) were prepared using Brij® 30, 52, 76, 92, and 97 in the presence of cholesterol (Ch) by thin film hydration method. Niosomes were characterized for encapsulation efficiency % (EE), size, poly-dispersity index (PI), and morphology. Kinetic parameters, pH optimum, thermal stability, and reusability of CAT were determined...
January 16, 2018: Artificial Cells, Nanomedicine, and Biotechnology
https://www.readbyqxmd.com/read/29334247/development-of-fisetin-loaded-folate-functionalized-pluronic-micelles-for-breast-cancer-targeting
#5
Atmaram Pawar, Srishti Singh, S Rajalakshmi, Karimunnisa Shaikh, C Bothiraja
The natural flavonoid fisetin (FS) has shown anticancer properties but its in-vivo administration remains challenging due to its poor aqueous solubility. The aim of the study was to develop FS loaded pluronic127 (PF)-folic acid (FA) conjugated micelles (FS-PF-FA) by the way of increasing solubility, bioavailability and active targetability of FS shall increase its therapeutic efficacy. FA-conjugated PF was prepared by carbodiimide crosslinker chemistry. FS-PF-FA micelles were prepared by thin-film hydration method and evaluated in comparison with free FS and FS loaded PF micelles (FS-PF)...
January 15, 2018: Artificial Cells, Nanomedicine, and Biotechnology
https://www.readbyqxmd.com/read/29327607/up-regulation-of-cav3-1-expression-in-sh-sy5y-cells-induced-by-lidocaine-hydrochloride
#6
Qin Gong, Xianjie Wen, Heng Li, Jian He, Yunhua Wang, Huiping Wu, Hanbing Wang, Xiaoping Wang
BACKGROUND: Neurotoxicity induced by the local anaesthetics has aroused concern. A previous study has shown that an overload of intracellular calcium was involved in the neurotoxic effect. Cav3.1 is one of the low-voltage-activated (LVA) calcium channels which play a key point to regulate the intracellular calcium ion level. This study aimed to investigate the changes of the Cav3.1 expression in the SH-SY5Y cells treated with lidocaine hydrochloride. METHODS: The SH-SY5Y cells were treated with different concentrations of lidocaine hydrochloride(1 mM, 5 mM and 10 mM, namely L1 group, L5 group and L10 group) and different exposure times (1 h,12 h and 24 h), respectively...
January 12, 2018: Artificial Cells, Nanomedicine, and Biotechnology
https://www.readbyqxmd.com/read/29320872/correction-to-bai-et%C3%A2-al-melatonin-promotes-self-renewal-of-nestin-positive-pancreatic-stem-cells-through-activation-of-the-mt2-erk-smad-nestin-axis
#7
(no author information available yet)
No abstract text is available yet for this article.
January 10, 2018: Artificial Cells, Nanomedicine, and Biotechnology
https://www.readbyqxmd.com/read/29316822/beneficial-anti-inflammatory-effect-of-paeonol-self-microemulsion-loaded-colon-specific-capsules-on-experimental-ulcerative-colitis-rats
#8
Shiyu Zong, Yiqiong Pu, Suyun Li, Benliang Xu, Yong Zhang, Tong Zhang, Bing Wang
Paeonol, as the main phenolic compound isolated from the Chinese herbs, has been confirmed to present anti-inflammatory effects on ulcerative colitis (UC) in our previous study. However, its poor solubility has hindered its development of being a favourable pharmaceutical product in treating colon diseases. In this study, we prepared the colon-specific delivery system (Pae-SME-CSC) with paeonol-loaded self-microemulsion (Pae-SMEDDS), and evaluated its in vitro and in vivo properties, especially the anti-inflammatory effects on UC rats...
January 9, 2018: Artificial Cells, Nanomedicine, and Biotechnology
https://www.readbyqxmd.com/read/29313384/chitosan-nanoparticles-triggered-the-induction-of-ros-mediated-cytoprotective-autophagy-in-cancer-cells
#9
Hao Wang, Xiwei Yu, Chang Su, Yijie Shi, Liang Zhao
There is a close relationship between autophagy and apoptosis during cancer cell death. We used chitosan nanoparticles (CS NPs) to explore the effects of internalized NPs on the induction of autophagy and to confirm the role of autophagic responses elicited by nanomaterials on the tumour cell's fate. CS NPs at nontoxic concentrations ranging from 10-100 μg/mL triggered the induction of autophagy. With the addition of CS NPs, the aggregation of endogenous LC3 was significantly enhanced and acidic autophagic bodies had been accumulated...
January 9, 2018: Artificial Cells, Nanomedicine, and Biotechnology
https://www.readbyqxmd.com/read/29313367/lecithin-coated-gold-nanoflowers-gnfs-for-ct-scan-imaging-applications-and-biochemical-parameters-in-vitro-and-in-vivo-studies
#10
Farooq Aziz, Khizra Bano, Ahmad Hassan Siddique, Sadia Zafar Bajwa, Aalia Nazir, Anam Munawar, Ayesha Shaheen, Madiha Saeed, Muhammad Afzal, M Zubair Iqbal, Aiguo Wu, Waheed S Khan
We report a novel strategy for the fabrication of lecithin-coated gold nanoflowers (GNFs) via single-step design for CT imaging application. Field-emission electron microscope confirmed flowers like morphology of the as-synthesized nanostructures. Furthermore, these show absorption peak in near-infrared (NIR) region at λmax 690 nm Different concentrations of GNFs are tested as a contrast agent in CT scans at tube voltage 135 kV and tube current 350 mA. These results are compared with same amount of iodine at same CT scan parameters...
January 9, 2018: Artificial Cells, Nanomedicine, and Biotechnology
https://www.readbyqxmd.com/read/29310467/improved-anticancer-effects-of-epigallocatechin-gallate-using-rgd-containing-nanostructured-lipid-carriers
#11
Hamed Hajipour, Hamed Hamishehkar, Saeed Nazari Soltan Ahmad, Siamak Barghi, Nazila Fathi Maroufi, Ramezan Ali Taheri
The global burden of cancer have encouraged oncologists to develop novel strategies for treatment. Present study was proposed to develop Arginyl-glycyl-aspartic acid (RGD)-containing nanostructured lipid carriers (NLC) as a delivery system for improving the anticancer capability of epigallocatechin gallate (EGCG) on breast cancer cell line by attaching to integrin superfamily on cancer cells. For this purpose, RGD-containing EGCG-loaded NLC were prepared by hot homogenization technique and characterized by different techniques...
January 8, 2018: Artificial Cells, Nanomedicine, and Biotechnology
https://www.readbyqxmd.com/read/29301415/ph-sensitive-polymeric-nanoparticles-of-mpeg-plga-pglu-with-hybrid-core-for-simultaneous-encapsulation-of-curcumin-and-doxorubicin-to-kill-the-heterogeneous-tumour-cells-in-breast-cancer
#12
Jian-Dong Yuan, De-Li ZhuGe, Meng-Qi Tong, Meng-Ting Lin, Xia-Fang Xu, Xing Tang, Ying-Zheng Zhao, He-Lin Xu
Most breast tumours are heterogeneous and not only contain the bulk of differentiated tumour cells but also a small population of highly tumorigenic and intrinsically drug-resistant cancer stem cells (CSCs). Herein, a pH-sensitive nanoparticle with simultaneous encapsulation of curcumin and doxorubicin (CURDOX-NPs) was prepared by using monomethoxy (polyethylene glycol)-b-P (D,L-lactic-co-glycolic acid)-b-P (L-glutamic acid) polymer to simultaneously target the differentiated tumor cells and CSCs. CURDOX-NPs had a mean diameter of 107...
January 4, 2018: Artificial Cells, Nanomedicine, and Biotechnology
https://www.readbyqxmd.com/read/29301413/potential-anticancer-activity-of-biogenic-silver-nanoparticles-using-leaf-extract-of-rhynchosia-suaveolens-an-insight-into-the-mechanism
#13
Murali Satyanarayana Bethu, Vasudeva Reddy Netala, Latha Domdi, Vijaya Tartte, Venkateswara Rao Janapala
The present study reports a simple and eco-friendly synthesis of silver nanoparticles (AgNPs) using leaf extract of Rhynchosia suaveolens. UV-Vis analysis of R. suaveolens synthesized AgNPs (RS-AgNPs) showed surface plasmon resonance (SPR) peak at 426 nm. Scanning electron microscopy (SEM) and transmission electron microscopy (TEM) analysis revealed that RS-AgNPs were 10-30 nm in size with spherical shape. X-ray diffraction (XRD) analysis of RS-AgNPs confirmed the crystalline nature with face-centered cubic (FCC) lattice...
January 4, 2018: Artificial Cells, Nanomedicine, and Biotechnology
https://www.readbyqxmd.com/read/29298541/chitosan-poly-lactic-acid-coated-piceatannol-nanoparticles-exert-an-in-vitro-apoptosis-activity-on-liver-lung-and-breast-cancer-cell-lines
#14
Jeevitha Dhanapal, Malathy Balaraman Ravindrran
The aim of the study was to synthesize nanoparticles (NPs) with chitosan (CS), and poly (lactic acid) (PLA) as a carrier for the drug piceatannol (PIC). The synthesized nanoparticles form the composite of polymeric-drug nanoparticles (CS/PLA-PIC NPs) by dropping method. The preliminary and stability studies were determined for the polymers drug-loading capacity and encapsulation efficiencies. The in vitro drug release study showed that NPs provided a continuous release of the entrapped PIC. The NPs found to be a good scavenger for DPPH, SOD and NO radicals...
January 3, 2018: Artificial Cells, Nanomedicine, and Biotechnology
https://www.readbyqxmd.com/read/29298530/pectin-conjugated-magnetic-graphene-oxide-nanohybrid-as-a-novel-drug-carrier-for-paclitaxel-delivery
#15
Nizamudin Awel Hussien, Nuran Işıklan, Mustafa Türk
Recent studies have shown that graphene oxide (GO) drug carrier functionalized with biocompatible natural polymers lead to higher loading efficacy and better stability with diminished cellular toxicity. Pectin (PEC) is one of the polysaccharide natural polymers, which has the potential to be used for drug delivery. In this work, we have successfully developed a novel PEC-conjugated magnetic GO nanocarrier for effective delivery of paclitaxel. The structure, surface morphology and thermal stability of the nanohybrid were investigated using Fourier transform infrared spectroscopy (FTIR), X-ray diffraction (XRD), transmission electron microscopy (TEM) and zeta-sizer...
January 3, 2018: Artificial Cells, Nanomedicine, and Biotechnology
https://www.readbyqxmd.com/read/29298523/current-development-in-novel-drug-delivery-systems-of-bioactive-molecule-plumbagin
#16
S Rajalakshmi, Niraj Vyawahare, Atmaram Pawar, Paresh Mahaparale, Bothiraja Chellampillai
Plumbagin (PLB), a member of the quinine family, mainly found in the plant Plumbago zeylanica Linn., potentially exhibit anticancer, anti-inflammatory, anti-oxidant, antifungal, neuroprotective, hypolipidemic and antibacterial activities. However, it has been well known that the application of PLB was limited owing to its water insolubility, instability and poor bioavailability. For decades, many attempts have been made to compensate for these disadvantages with the development of improved delivery platforms as the feasible approaches...
January 3, 2018: Artificial Cells, Nanomedicine, and Biotechnology
https://www.readbyqxmd.com/read/29291635/selective-heat-generation-in-cancer-cells-using-a-combination-of-808%C3%A2-nm-laser-irradiation-and-the-folate-conjugated-fe2o3-au-nanocomplex
#17
Mehri Mirrahimi, Vahid Hosseini, S Kamran Kamrava, Neda Attaran, Jaber Beik, Siavash Kooranifar, Habib Ghaznavi, Ali Shakeri-Zadeh
Photothermal therapy (PTT) is a nanotechnology-assisted cancer hyperthermia approach in which the interaction between laser light and plasmonic nanoparticles (NPs) generates localized heating. The exploitation of plasmonic NPs in association with active targeting moieties causes the preferential accumulation of NPs inside cancer cells, thereby providing targeted PTT. Herein, we evaluate the effect of folic acid (FA) as an active targeting agent in enhancing the photothermal efficiency of multifunctional Iron (III) Oxide (Fe2O3)@Au core- shell NPs...
January 1, 2018: Artificial Cells, Nanomedicine, and Biotechnology
https://www.readbyqxmd.com/read/29291632/pharmacokinetics-biodistribution-and-receptor-mediated-endocytosis-of-a-natural-angelica-sinensis-polysaccharide
#18
Yu Zhang, Tao Zhou, Li Luo, Zheng Cui, Na Wang, Yamin Shu, Kai-Ping Wang
The interest in developing new drug carriers for delivery to the liver using natural polysaccharides with a high galactose content has necessitated the study of the pharmacokinetics and tissue distribution of these polysaccharides. In this paper, a new method was established for the microanalysis of Angelica sinensis polysaccharide (ASP) in biosamples. Fluorescein-labelled ASP (FA) was rapidly eliminated from the bloodstream and distributed to the liver with high specificity following intravenous injection...
January 1, 2018: Artificial Cells, Nanomedicine, and Biotechnology
https://www.readbyqxmd.com/read/29282995/nose-to-brain-transport-pathways-an-overview-potential-of-nanostructured-lipid-carriers-in-nose-to-brain-targeting
#19
Kousalya Selvaraj, Kuppusamy Gowthamarajan, Veera Venkata Satyanarayana Reddy Karri
Many of the therapeutics used for the treatment of brain disorders are not effective and not delivered to the brain due to the complex structure and its barriers. In recent years, many advanced approaches have emerged for the brain drug delivery. Intranasal drug delivery is one of non-invasive approach has gained interest because of direct transport of drugs circumventing the brain barriers through olfactory and trigeminal nerve pathways. Eventhough through these pathways the therapeutics have direct access to the brain, the main limitations of this approach are only limited drug absorption, and nasal permeability...
December 28, 2017: Artificial Cells, Nanomedicine, and Biotechnology
https://www.readbyqxmd.com/read/29268653/characterization-of-methylthioadenosin-phosphorylase-mtap-expression-in-colorectal-cancer
#20
Yanmei Zhong, Keliang Lu, Suhua Zhu, Wentong Li, Shanming Sun
PURPOSE: Tumour seriously affects people's quality of life. Colorectal cancer is a refractory tumour in digestive tract tumors. In colorectal cancer, gene expression abnormalities is the main reason for its incidence, we mainly focus on the molecular mechanism of MTAP in the development of colorectal cancer. METHODS: The tumour tissue and its adjacent tissue samples of 50 patients with colorectal cancer were screened from July 2011 to February 2015, and the expression of MTAP was detected...
December 21, 2017: Artificial Cells, Nanomedicine, and Biotechnology
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