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International Journal of Nanomedicine

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https://www.readbyqxmd.com/read/30233182/design-of-a-transdermal-formulation-containing-raloxifene-nanoparticles-for-osteoporosis-treatment
#1
Noriaki Nagai, Fumihiko Ogata, Hiroko Otake, Yosuke Nakazawa, Naohito Kawasaki
Purpose: In the clinical setting, raloxifene, a second-generation selective estrogen receptor modulator, is administered orally; however, the bioavailability (BA) is only 2% because of its poor solubility in aqueous fluids and its extensive first-pass metabolism. Therefore, it is expected that the development of a transdermally delivered formulation may reduce the necessary dose without compromising its therapeutic efficacy. In this study, we designed transdermal formulations containing raloxifene nanoparticles and evaluated their usefulness for osteoporosis therapy...
2018: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/30233181/effect-of-melanin-on-gold-nanoparticle-induced-hepatotoxicity-and-lipid-peroxidation-in-rats
#2
Mohamed Anwar K Abdelhalim, Sherif A Abdelmottaleb Moussa, Huda Ay Qaid, Mohammed Suliman Al-Ayed
Introduction: Melanin pigments are produced by melanocytes and are believed to act as antioxidants based on the belief that melanin can suppress electronically stirred states and scavenge the free radicals. Materials and methods: The study was aimed to verify and prove the toxicity induced by administration of gold nanoparticles (GNPs) and to characterize the role of melanin as an antioxidant against inflammatory liver damage, oxidative stress, and lipid peroxidation induced intraperitoneally by GNPs in vivo...
2018: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/30233180/anti-jnk2-peptide-sirna-nanostructures-improve-plaque-endothelium-and-reduce-thrombotic-risk-in-atherosclerotic-mice
#3
Hua Pan, Rohun U Palekar, Kirk K Hou, John Bacon, Huimin Yan, Luke E Springer, Antonina Akk, Lihua Yang, Mark J Miller, Christine Tn Pham, Paul H Schlesinger, Samuel A Wickline
Background: A direct and independent role of inflammation in atherothrombosis was recently highlighted by the Canakinumab Antiinflammatory Thrombosis Outcome Study (CANTOS) trial, showing the benefit of inhibiting signaling molecules, eg, interleukins. Accordingly, we sought to devise a flexible platform for preventing the inflammatory drivers at their source to preserve plaque endothelium and mitigate procoagulant risk. Methods: p5RHH-siRNA nanoparticles were formulated through self-assembly processes...
2018: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/30233179/facilitated-permeation-of-insulin-across-tr146-cells-by-cholic-acid-derivatives-modified-elastic-bilosomes
#4
Santosh Bashyal, Jo-Eun Seo, Taekwang Keum, Gyubin Noh, Young Wook Choi, Sangkil Lee
Background: Buccal delivery of insulin is still a challenging issue for the researchers due to the presence of permeability barrier (buccal mucosa) in the buccal cavity. The main objective of this study was to investigate the safety, effectiveness, and potential of various liposomes containing different bile salts to improve the permeation of insulin across in vitro TR146 buccal cell layers. Methods: Elastic bilosomes containing soy lecithin and bile salt edge activators (sodium cholate [SC], sodium taurocholate [STC], sodium glycocholate [SGC], sodium deoxyglycocholate [SDGC], or sodium deoxytaurocholate [SDTC]) were fabricated by thin-film hydration method...
2018: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/30233178/in-vitro-toxicity-studies-of-biodegradable-polyelectrolyte-nanocapsules
#5
Alicja Karabasz, Krzysztof Szczepanowicz, Agnieszka Cierniak, Joanna Bereta, Monika Bzowska
Background: Toxicity of nanomaterials is one of the most important factors limiting their medical application. Evaluation of in vitro nanotoxicity allows for the identification and elimination of most of the toxic materials prior to animal testing. The current knowledge of the possible side effects of biodegradable nanomaterials, such as liposomes and polymeric organic nanoparticles, is limited. Previously, we developed a potential drug delivery system in the form of nanocapsules with polyelectrolyte, biodegradable shells consisting of poly-l-lysine and poly-l-glutamic acid (PGA), formed by the layer-by-layer adsorption technique...
2018: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/30233177/folate-receptor-targeted-laser-activable-poly-lactide-co-glycolic-acid-nanoparticles-loaded-with-paclitaxel-indocyanine-green-for-photoacoustic-ultrasound-imaging-and-chemo-photothermal-therapy
#6
Fengqiu Liu, Yuli Chen, Yizhen Li, Yuan Guo, Yang Cao, Pan Li, Zhigang Wang, Yuping Gong, Haitao Ran
Background: Cancer is one of the most serious threats to human health. Precision medicine is an innovative approach to treatment, as part of which theranostic nanomedicine has been studied extensively. However, the required biocompatibility and substantial cost for the approval of nanomedicines hinder their clinical translation. Purpose: We designed a novel type of theranostic nanoparticle (NP) folate-receptor-targeted laser-activatable poly(lactide- co -glycolic acid) (PLGA) NPs loaded with paclitaxel (Ptx)/indo-cyanine green (ICG)-folic acid-polyethylene glycol (PEG)-PLGA-Ptx@ICG-perfluorohexane (Pfh)- using safe and approved materials and drugs, which would facilitate clinical translation...
2018: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/30233176/synthesis-and-characterization-of-a-novel-peptide-grafted-cs-and-evaluation-of-its-nanoparticles-for-the-oral-delivery-of-insulin-in-vitro-and-in-vivo-study
#7
Ghullam Reza Barbari, Farid Dorkoosh, Mohsen Amini, Nika Bahari Javan, Mohammad Sharifzadeh, Fateme Atyabi, Saeed Balalaie, Niyousha Rafiee Tehrani, Morteza Rafiee Tehrani
Background: Despite years of experience and rigorous research, injectable insulin is the sole trusted treatment method to control the blood glucose level in diabetes type 1 patients, but injection of insulin is painful and poses a lot of stress to the patients, especially children, therefore, development of a non-injectable formulation of insulin is a major breakthrough in the history of medicine and pharmaceutical sciences. Methods: In this study, a novel peptide grafted derivative of chitosan (CPP-g- chitosan) is synthesized and its potential for oral delivery of proteins and peptides is evaluated...
2018: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/30233175/quercetin-and-doxorubicin-co-delivery-using-mesoporous-silica-nanoparticles-enhance-the-efficacy-of-gastric-carcinoma-chemotherapy
#8
Jian Fang, Shangwu Zhang, Xiaofeng Xue, Xinguo Zhu, Shiduo Song, Bin Wang, Linhua Jiang, Mingde Qin, Hansi Liang, Ling Gao
Background: Effective gastric carcinoma (GC) chemotherapy is subject to many in vitro and in vivo barriers, such as tumor microenvironment and multidrug resistance. Materials and methods: Herein, we developed a hyaluronic acid (HA)-modified silica nanoparticle (HA-SiLN/QD) co-delivering quercetin and doxorubicin (DOX) to enhance the efficacy of GC therapy (HA-SiLN/QD). The HA modification was done to recognize overexpressed CD44 receptors on GC cells and mediate selective tumor targeting...
2018: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/30233174/in-vitro-cellular-localization-and-efficient-accumulation-of-fluorescently-tagged-biomaterials-from-monodispersed-chitosan-nanoparticles-for-elucidation-of-controlled-release-pathways-for-drug-delivery-systems
#9
Ummu Afiqah Hassan, Mohd Zobir Hussein, Noorjahan Banu Alitheen, Syazaira Arham Yahya Ariff, Mas Jaffri Masarudin
Background: Inefficient cellular delivery and poor intracellular accumulation are major drawbacks towards achieving favorable therapeutic responses from many therapeutic drugs and biomolecules. To tackle this issue, nanoparticle-mediated delivery vectors have been aptly explored as a promising delivery strategy capable of enhancing the cellular localization of biomolecules and improve their therapeutic efficacies. However, the dynamics of intracellular biomolecule release and accumulation from such nanoparticle systems has currently remained scarcely studied...
2018: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/30233173/amelioration-effects-of-nanoencapsulated-triterpenoids-from-petri-dish-cultured-antrodia-cinnamomea-on-reproductive-function-of-diabetic-male-rats
#10
Sabri Sudirman, Yuan-Hua Hsu, Athira Johnson, David Tsou, Zwe-Ling Kong
Purpose: Nanoencapsulated triterpenoids from petri dish-cultured Antrodia cinnamomea (PAC) and its amelioration effects on reproductive function in diabetic rats were investigated. Materials and methods: PAC encapsulated in silica-chitosan nanoparticles (Nano-PAC) was prepared by the biosilicification method. The diabetic condition in male Sprague Dawley rats was induced by high-fat diet and streptozotocin (STZ). Three different doses of Nano-PAC (4, 8, and 20 mg/kg) were administered for 6 weeks...
2018: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/30233172/micro-nano-topography-of-selective-laser-melting-titanium-enhances-adhesion-and-proliferation-and-regulates-adhesion-related-gene-expressions-of-human-gingival-fibroblasts-and-human-gingival-epithelial-cells
#11
Ruogu Xu, Xiucheng Hu, Xiaolin Yu, Shuangquan Wan, Fan Wu, Jianglin Ouyang, Feilong Deng
Background: Selective laser melting (SLM) titanium is an ideal option to manufacture customized implants with suitable surface modification to improve its bioactivity. The peri-implant soft tissues form a protective tissue barrier for the underlying osseointegration. Therefore, original microrough SLM surfaces should be treated for favorable attachment of surrounding soft tissues. Material and methods: In this study, anodic oxidation (AO) was applied on the microrough SLM titanium substrate to form TiO2 nanotube arrays...
2018: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/30214204/natural-product-based-nanomedicines-for-wound-healing-purposes-therapeutic-targets-and-drug-delivery-systems
#12
REVIEW
Marziyeh Hajialyani, Devesh Tewari, Eduardo Sobarzo-Sánchez, Seyed Mohammad Nabavi, Mohammad Hosein Farzaei, Mohammad Abdollahi
Wound healing process is an intricate sequence of well-orchestrated biochemical and cellular phenomena to restore the integrity of the skin and subcutaneous tissue. Several plant extracts and their phytoconstituents are known as a promising alternative for wound healing agents due to the presence of diverse active components, ease of access, and their limited side effects. The development of nanotechnological methods can help to improve the efficacy of different therapeutics as well as herbal-based products...
2018: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/30214203/amphiphilic-peptides-as-novel-nanomaterials-design-self-assembly-and-application
#13
REVIEW
Feng Qiu, Yongzhu Chen, Chengkang Tang, Xiaojun Zhao
Designer self-assembling peptides are a category of emerging nanobiomaterials which have been widely investigated in the past decades. In this field, amphiphilic peptides have received special attention for their simplicity in design and versatility in application. This review focuses on recent progress in designer amphiphilic peptides, trying to give a comprehensive overview about this special type of self-assembling peptides. By exploring published studies on several typical types of amphiphilic peptides in recent years, herein we discuss in detail the basic design, self-assembling behaviors and the mechanism of amphiphilic peptides, as well as how their nanostructures are affected by the peptide characteristics or environmental parameters...
2018: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/30214202/chitosan-polyvinyl-alcohol-nanoscale-liquid-film-forming-system-facilitates-mrsa-infected-wound-healing-by-enhancing-antibacterial-and-antibiofilm-properties
#14
Sha Yang, Yun Yang, Sixin Cui, Ziqi Feng, Yuzhi Du, Zhen Song, Yanan Tong, Liuyang Yang, Zelin Wang, Hao Zeng, Quanming Zou, Hongwu Sun
Introduction: Methicillin-resistant Staphylococcus aureus (MRSA) is one of the most predominant and fatal pathogens at wound infection sites. MRSA is difficult to treat because of its antibiotic resistance and ability to form biofilms at the wound site. Methods: In this study, a novel nanoscale liquid film-forming system (LFFS) loaded with benzalkonium bromide was produced based on polyvinyl alcohol and chitosan. Results: This LFFS showed a faster and more potent effect against MRSA252 than benzalkonium bromide aqueous solution both in vitro and in vivo...
2018: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/30214201/surface-enhanced-raman-spectroscopy-of-blood-serum-based-on-gold-nanoparticles-for-tumor-stages-detection-and-histologic-grades-classification-of-oral-squamous-cell-carcinoma
#15
Lili Xue, Bing Yan, Yi Li, Yingyun Tan, Xianyang Luo, Min Wang
Background: Tumor stages detection and histologic grades classification are essential for the diagnosis and prognosis of oral squamous cell carcinoma (OSCC). In this research, we apply surface-enhanced Raman spectroscopy (SERS) of blood serum to detect the tumor stages and histologic classification of OSCC. Methods: According to TNM classification and World Health Organization histologic grading system, the blood serum samples were collected from a total of 135 OSCC patients in the different tumor stages and histologic grades...
2018: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/30214200/anti-egfr-irgd-recombinant-protein-modified-biomimetic-nanoparticles-loaded-with-gambogic-acid-to-enhance-targeting-and-antitumor-ability-in-colorectal-cancer-treatment
#16
Zhen Zhang, Hanqing Qian, Jie Huang, Huizi Sha, Hang Zhang, Lixia Yu, Baorui Liu, Dong Hua, Xiaoping Qian
Background: Red blood cell membrane-coated nanoparticle (RBCm-NP) platform, which consist of natural RBCm and synthetic polymeric core, can extend circulation time in vivo with an improved biocompatibility and stability of this biomimetic nanocarrier. To achieve better bioavailability of antitumor drugs that were loaded in RBCm-NPs, the functionalization of coated RBCm with specific targeting ability is essential. Bispecific recombinant protein anti-EGFR-iRGD, containing both tumor penetrating peptide (internalizing RGD peptide) and EGFR single-domain antibody (sdAb), seems to be an optimal targeting ligand for RBCm-NPs in the treatment of multiple tumors, especially colorectal cancer with high EGFR expression...
2018: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/30214199/layer-by-layer-dna-films-incorporating-highly-transfecting-bioreducible-poly-amido-amine-and-polyethylenimine-for-sequential-gene-delivery
#17
Lingxiao Xie, Xiong Ding, Rachel Budry, Guangzhao Mao
Background: The layer-by-layer (LbL) assembly method offers a molecular level control of the amount and spatial distribution of bioactive molecules. However, successful clinical translation of LbL film technology will most certainly require a better understanding and control of not only the film assembly process, but also film disassembly kinetics in physiologic conditions. Purpose: This work focuses on the understanding and control of degradation properties of LbL films for localized gene delivery...
2018: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/30214198/mangosteen-pericarp-extract-embedded-in-electrospun-pvp-nanofiber-mats-physicochemical-properties-and-release-mechanism-of-%C3%AE-mangostin
#18
Ida Sriyanti, Dhewa Edikresnha, Annisa Rahma, Muhammad Miftahul Munir, Heni Rachmawati, Khairurrijal Khairurrijal
Background: α-Mangostin is a major active compound of mangosteen ( Garcinia mangostana L.) pericarp extract (MPE) that has potent antioxidant activity. Unfortunately, its poor aqueous solubility limits its therapeutic application. Purpose: This paper reports a promising approach to improve the clinical use of this substance through electrospinning technique. Methods: Polyvinylpyrrolidone (PVP) was explored as a hydrophilic matrix to carry α-mangostin in MPE. Physicochemical properties of MPE:PVP nanofibers with various extract-to-polymer ratios were studied, including morphology, size, crystallinity, chemical interaction, and thermal behavior...
2018: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/30214197/studies-of-acute-and-subchronic-systemic-toxicity-associated-with-a-copper-low-density-polyethylene-nanocomposite-intrauterine-device
#19
Li-Xia Hu, Shi-Fu Hu, Meng Rao, Jing Yang, Hui Lei, Zhuo Duan, Wei Xia, Changhong Zhu
Introduction: The physiologic safety of devices and materials intended for clinical implantation should be evaluated. This study, a logical extension of our previous work, aimed to investigate the safety of a novel contraceptive device, the copper/low-density polyethylene nanocomposite intrauterine device (nano-Cu/LDPE IUD), through studies of its potential toxicity after acute and subchronic administration in mice and rats. Methods: For the acute toxicity study, single 50 mL/kg doses of nano-Cu/LDPE IUD extracts were administered to mice via intravenous or intraperitoneal injection...
2018: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/30214196/macropinocytosis-activated-by-oncogenic-dbl-enables-specific-targeted-delivery-of-tat-pdna-nano-complexes-into-ovarian-cancer-cells
#20
Xiuran Niu, Zhihui Gao, Shanshan Qi, Linjia Su, Nan Yang, Xiuli Luan, Jia Li, Qing Zhang, Yingli An, Sihe Zhang
Background: Successful implementation of gene therapy heavily relies on efficiently delivering genetic materials and specific targeting into cells. Oncogene-driven endocytosis stimulates nutrient uptake and also develops an endocytosis-mediated defense against therapeutic agents. Cell-penetrating peptides, typically HIV-Tat, are well known for efficient delivery of nucleic acid drugs but lack targeting specificity. Various passive targeting strategies were pursued to enhance the tumor targeting efficiency; however, they are still limited by complicated cellular endocytosis routes and the heterogeneity of cancer types...
2018: International Journal of Nanomedicine
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