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https://www.readbyqxmd.com/read/28535076/intraarticular-injection-of-a-cross-linked-sodium-hyaluronate-combined-with-triamcinolone-hexacetonide-cingal-to-provide-symptomatic-relief-of-osteoarthritis-of-the-knee-a-randomized-double-blind-placebo-controlled-multicenter-clinical-trial
#1
Laszlo Hangody, Robert Szody, Piotr Lukasik, Wojciech Zgadzaj, Endre Lénárt, Eva Dokoupilova, Daniela Bichovsk, Agnes Berta, Gabor Vasarhelyi, Andrea Ficzere, György Hangody, Gary Stevens, Miklos Szendroi
OBJECTIVE: To evaluate the efficacy and safety of an intraarticular injection of Cingal (Anika Therapeutics, Inc., Bedford, MA) compared with Monovisc (Anika Therapeutics, Inc., Bedford, MA) or saline for the treatment of knee osteoarthritis. DESIGN: This multicenter, double-blind, saline-controlled clinical trial randomized subjects with knee osteoarthritis (Kellgren-Lawrence grades I-III) to a single injection of Cingal (4 mL, 88 mg hyaluronic acid [HA] plus 18 mg triamcinolone hexacetonide [TH]), Monovisc (4 mL, 88 mg HA), or saline (4 mL, 0...
May 1, 2017: Cartilage
https://www.readbyqxmd.com/read/28534970/correlation-of-four-potential-biomarkers-of-liver-fibrosis-with-liver-function-and-grade-of-hepatic-fibrosis-in-a-neonatal-cholestatic-rat-model
#2
Ning Tang, Yaping Zhang, Zeyu Liu, Xuemei Ai, Qinghong Liang
The present study investigated the correlation between four serum biomarkers of liver fibrosis, liver function and pathological hepatic fibrosis grade in neonatal cholestatic rats. A total of 38 Sprague‑Dawley rats, aged 3 weeks, were randomly assigned to the experimental group (EG), control group (CG) and the blank control group (BCG). EG received intragastric administration of 1% α‑naphthylisothiocyanate, 75 mg/kg, to induce acute cholestasis liver injury, CG and BCG were set as control groups. Blood samples from all groups were collected 48 h following the procedure...
May 16, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28534395/hyaluronic-acid-templated-ag-nanoparticles-graphene-oxide-composites-for-synergistic-therapy-of-bacteria-infection
#3
Xiang Ran, Ye Du, Zhenzhen Wang, Huan Wang, Fang Pu, Jinsong Ren, Xiaogang Qu
Developing methods of decreasing the harm to cell and increasing the antibacterial efficiency is becoming a potential topic to medical treatments. We demonstrated a hyaluronidase-triggered photothermal platform for killing bacteria based on AgNPs and graphene oxide (GO). The property of the HAase-triggered release provided excellent antibacterial activity against S. aureus. Upon illumination of NIR light, the GO-based nanomaterials locally raised the temperature, resulting in high mortality of bacterial. The HAase-triggered AgNPs releasing approach for antibacterial allows AgNPs to be protected by HA template without affecting mammalian cells...
May 23, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28534375/effect-of-the-combination-treatment-of-high-intensity-focused-ultrasound-and-cryocare-knife-in-advanced-liver-cancer
#4
Yuan-Peng Zhai, Yan Wang
PURPOSE: To analyze the effect of the combination treatment of high-intensity focused ultrasound (HIFU) and cryocare knife in advanced liver cancer. METHODS: 74 patients with advanced liver cancer were divided into the observation group (40 cases) and the control group (34 cases). Patients in the control group were treated with simple transcatheter arterial chemoembolization (TACE), while those in the observation group were given the combination treatment of HIFU and cryocare knife...
March 2017: Journal of B.U.ON.: Official Journal of the Balkan Union of Oncology
https://www.readbyqxmd.com/read/28533056/white-matter-damage-after-traumatic-brain-injury-a-role-for-damage-associated-molecular-patterns
#5
REVIEW
Molly Braun, Kumar Vaibhav, Nancy M Saad, Sumbul Fatima, John R Vender, Babak Baban, Md Nasrul Hoda, Krishnan M Dhandapani
Traumatic brain injury (TBI) is a leading cause of mortality and long-term morbidity worldwide. Despite decades of pre-clinical investigation, therapeutic strategies focused on acute neuroprotection failed to improve TBI outcomes. This lack of translational success has necessitated a reassessment of the optimal targets for intervention, including a heightened focus on secondary injury mechanisms. Chronic immune activation correlates with progressive neurodegeneration for decades after TBI; however, significant challenges remain in functionally and mechanistically defining immune activation after TBI...
May 19, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28531875/elaboration-of-antibacterial-plastic-surfaces-by-a-combination-of-antiadhesive-and-biocidal-coatings-of-natural-products
#6
Jean-Baptiste Paris, Damien Seyer, Thierry Jouenne, Pascal Thébault
Antibacterial polyolefins surfaces, combining biocidal and antiadhesive properties, were elaborated by a covalent grafting of antimicrobial peptides (AMPs), able to kill adherent bacteria, on a pre-immobilized hyaluronic acid (HA) layer, able to repel the micro-organisms. Different HA activation rate for its immobilization, were used to change HA layer morphology and number of residual free carboxylic acid functions for AMPs grafting. Based on adhesion tests on Staphylococcus epidermidis and microscopy fluorescent observations, the presence of the two combined properties was shown to be depended on the HA activation rate...
May 13, 2017: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/28529865/hyaluronic-acid-and-its-composites-as-a-local-antimicrobial-antiadhesive-barrier
#7
REVIEW
C L Romanò, E De Vecchi, M Bortolin, I Morelli, L Drago
Living in biofilms is probably the most common condition for bacteria and fungi and biofilm-related infections account for the majority of bacterial infectious diseases worldwide. Among others biofilm-related infections, those associated with implanted biomaterials have an enormous and still largely underestimated impact in orthopaedics and trauma, cardio-surgery and several other surgical disciplines. Given the limited efficacy of existing antibiotics in the prevention and treatment of bacterial biofilms, new strategies are needed to protect implants and host tissues, overcoming the striking ability of the microorganisms to adhere on different surfaces and to immediately protect themselves by forming the biofilm matrix...
2017: J Bone Jt Infect
https://www.readbyqxmd.com/read/28529647/redox-responsive-hyaluronic-acid-nanogels-for-treating-rhamm-cd168-over-expressive-cancer-both-primary-and-metastatic-tumors
#8
Chenchen Yang, Cheng Li, Peng Zhang, Wei Wu, Xiqun Jiang
It remains a substantial challenge to targetedly deliver drug to both primary tumors and metastatic lesions employing a single nanoparticle delivery system. Here aiming at the receptor for hyaluronic acid mediated motility (RHAMM or CD168), a specific receptor for hyaluronic acid (HA), the bioreductive responsive HA nanogels loaded doxorubicin were prepared. The targeting effects of HA nanogels in high RHAMM-expressed cancer cells, primary and metastatic tumors were investigated. It was found that HA nanogels show a strong in vitro and in vivo RHAMM-mediated cellular uptake and drug delivery...
2017: Theranostics
https://www.readbyqxmd.com/read/28528342/an-insight-into-the-changes-in-skin-texture-and-properties-following-dietary-intervention-with-a-nutricosmeceutical-containing-a-blend-of-collagen-bioactive-peptides-and-antioxidants
#9
Licia Genovese, Andrea Corbo, Sara Sibilla
BACKGROUND: Skin aging is a multifactorial phenomenon which causes alterations in skin physiological functions and, most visibly, phenotypic changes. In particular, during the aging process, hyaluronic acid, collagen, and elastin fibers undergo structural and functional changes. AIMS: This study aimed to give an insight into the photo-protective benefits and efficacy of an oral liquid nutricosmeceutical containing collagen bioactive peptides and antioxidants to counteract the signs of aging...
May 20, 2017: Skin Pharmacology and Physiology
https://www.readbyqxmd.com/read/28527297/hyaluronic-acid-nanogels-prepared-via-ortho-ester-linkages-show-ph-triggered-behavior-enhanced-penetration-and-antitumor-efficacy-in-3-d-tumor-spheroids
#10
Guanqing Yang, Shengxiang Fu, Weijing Yao, Xin Wang, Qian Zha, Rupei Tang
A new type of pH-triggered hyaluronic acid nanogel system (HA-NGs) was successfully developed for tumor-targeted delivery of drugs. HA-NGs were obtained by copolymerization between methacrylate HA and a new cross-linker containing ortho ester groups in an aqueous solution. The therapeutic drug (DOX) was loaded into the HA-NGs (DOX@HA-NGs) and exhibited appropriate loading of about 17.3% with a size of around 200nm. Such new pH-triggered HA-NGs are found to be highly desirable for targeted cancer therapy because it could significantly minimize the amount of premature drug release in neutral pH, and also provide a sufficient amount of drug to effectively kill the cancer cells caused by the degradation of ortho ester groups at acid pH values...
May 12, 2017: Journal of Colloid and Interface Science
https://www.readbyqxmd.com/read/28526348/chitosan-co-hyaluronic-acid-porous-cryogels-and-their-application-in-tissue-engineering
#11
Tuğçe Kutlusoy, Burcu Oktay, Nilhan Kayaman Apohan, Mediha Süleymanoğlu, Serap Erdem Kuruca
In this work, the usability of chitosan-co-hyaluronic acid cryogels as a tissue-engineering scaffold was investigated. Chitosan-co-hyaluronic acid cryogels were synthesized at subzero temperature. Cryogels which were composed of various compositions of chitosan and hyaluronic acid (0, 10, 20, 30 and 50wt % hyaluronic acid) was prepared. Morphological studies showed that the macroporous cryogels have have been developed with 90-95% porosity. Particularly, the mechanical and biomaterial property of pure chitosan was improved by making copolymer with hyaluronic acid in different concentration...
May 16, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28525843/formation-of-platinum-ii-as-a-six-member-ring-for-sustained-polymeric-delivery
#12
Sanjeewa N Senadheera, Ti Zhang, Chad E Groer, M Laird Forrest
A new pH-activated polymer chelate of cisplatin was synthesized using a scalable and green aqueous technique. Synthesis of the chelate was based on formation of a 6-member ring of platinum(II) with acetyl-homo-Lysine (Ac-homo-Lys), which was accomplished under completely aqueous conditions using a traceless photocleavable protection chemistry. Synthesis preceded by, first, amidation of a photocaged homo-Ac-Lys with hyaluronic acid (HA) in water using a p-hydroxyphenacyl (pHP) group as the photoremovable protecting group, followed by reaction of cisplatin (diaqua form) in water to form the reversible chelate...
May 6, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28524912/gold-nanocages-with-dual-modality-for-image-guided-therapeutics
#13
Shijin Bao, Shengnan Huang, Ying Liu, Yurong Hu, Weiping Wang, Mengfei Ji, Huili Li, Ning Xia Zhang, Chengzhi Song, Shaofeng Duan
Numerous studies have demonstrated that microRNAs are very important in cancer development and progression. However, the complex relationship between the size of microRNA delivery systems, cellular uptake, biodistribution and therapeutic efficiency remains unclear. Herein, we have successfully constructed a series of differently-sized microRNA delivery systems, miR-26a-loaded, hyaluronic acid-modified, polyetherimide-conjugated PEGylated gold nanocage ternary nanocomplexes (PPHAuNCs-TNCs), which can be monitored optically by fluorescence and photoacoustic tomography imaging...
May 19, 2017: Nanoscale
https://www.readbyqxmd.com/read/28524142/-effectiveness-of-epithelialization-therapy-after-surgical-treatment-of-pterygiu
#14
A V Petraevskiy, K S Trishkin, I A Gndoyan
Pterygium is widely distributed in regions with hot and dry climate. Frequent relapses of the disease are due to delayed epithelialization of postoperative corneal erosion, associated inflammation and formation of dry areas of the cornea. Effective stimulation of corneal epithelium regeneration in the postoperative period could reduce the frequency of relapses. AIM: to compare the effectiveness, safety and tolerability of different keratoprotectors in patients after surgical treatment of pterygium...
2017: Vestnik Oftalmologii
https://www.readbyqxmd.com/read/28521984/rheological-properties-of-gels-formed-by-physical-interactions-between-hyaluronan-and-cationic-surfactants
#15
Tereza Venerová, Miloslav Pekař
The aim of this paper is the rheological characterization of the concentrated, gel-like phase, which arises from mixed solutions of sodium hyaluronate and oppositely charged surfactant above its critical micellar concentration. The effects of hyaluronan molecular weight (from 300 to 2kDa) and the concentration of initial solutions (0.5 and 2% for hyaluronan, 50 or 200mM for surfactant) were investigated. All systems demonstrated viscoelastic properties which can be modified over a broad range of several decades of both storage and loss moduli by the hyaluronan molecular weight and initial concentrations...
August 15, 2017: Carbohydrate Polymers
https://www.readbyqxmd.com/read/28521306/visible-light-sensitive-titanium-dioxide-nanoplatform-for-tumor-responsive-fe2-liberating-and-artemisinin-delivery
#16
Huijuan Zhang, Hongling Zhang, Xing Zhu, Xiaoge Zhang, Qianqian Chen, Jianjiao Chen, Lin Hou, Zhenzhong Zhang
Artemisinin is a kind of Fe2+-dependent drugs. Artemisinin and Fe2+ co-transport systems can improve its anti-tumor effect. In this study, a visible light-sensitive nanoplatform (HA-TiO2-IONPs/ART) was developed. Detailed investigation demonstrated that HA-TiO2-IONPs/ART could realize Fe2+ and artemisinin synchronous co-delivery and tumor-responsive release. This feature enhanced the anti-tumor efficiency of artemisinin significantly. In vitro results proved that hyaluronic acid modification could improve the biocompatibility, dispersion stability and cytophagy ability of nanocarriers...
May 5, 2017: Oncotarget
https://www.readbyqxmd.com/read/28514245/comparison-of-ocular-lubricant-osmolalities
#17
Etty Bitton, Carolyn Perugino, Stéphanie Charette
PURPOSE: The aim of this study was to evaluate the osmolality of commercially available ocular tear lubricants. METHODS: Thirty-seven (n = 37) ocular lubricants, measured three times each, were evaluated for osmolality using a vapor pressure osmometer (Wescor VAPRO 5520). The osmometer was calibrated before each use, and the order of the lubricants was randomized. Ambient temperature and humidity were monitored for stability. RESULTS: Of the 37 ocular lubricants tested, 35 (94...
May 16, 2017: Optometry and Vision Science: Official Publication of the American Academy of Optometry
https://www.readbyqxmd.com/read/28511113/turn-on-theranostic-fluorescent-nanoprobe-by-electrostatic-self-assembly-of-carbon-dots-with-doxorubicin-for-targeted-cancer-cell-imaging-in-vivo-hyaluronidase-analysis-and-targeted-drug-delivery
#18
Na Gao, Wen Yang, Hailiang Nie, Yunqian Gong, Jing Jing, Loujun Gao, Xiaoling Zhang
This paper reports a turn-on theranostic fluorescent nanoprobe P-CDs/HA-Dox obtained by electrostatic assembly of polyethylenimine (PEI)-modified carbon dots (P-CDs) and Hyaluronic acid (HA)-conjugated doxorubicin (Dox) for hyaluronidase (HAase) detection, self-targeted imaging and drug delivery. P-CDs/HA-Dox show weak emission in a physiological environment. By utilizing the high affinity of HA to CD44 receptors overexpressed on many cancer cells, P-CDs/HA-Dox are capable of targeting and penetrating into cancer cells, where they are activated by HAase...
May 10, 2017: Biosensors & Bioelectronics
https://www.readbyqxmd.com/read/28510795/liver-stiffness-assessed-by-shear-wave-elastography-predicts-postoperative-liver-failure-in-patients-with-hepatocellular-carcinoma
#19
Yinghao Shen, Chenhao Zhou, Guodong Zhu, Guoming Shi, Xiaodong Zhu, Cheng Huang, Jian Zhou, Jia Fan, Hong Ding, Ning Ren, Hui-Chuan Sun
BACKGROUND: Cirrhosis increases a patient's risk of developing postoperative liver failure (PLF). Liver stiffness (LS), assessed by two-dimensional shear wave elastography (SWE), indicates liver fibrosis with high accuracy. Whether LS is superior to portal hypertension (PHT) in predicting PLF remains to be studied. METHODS: The study enrolled 280 patients who underwent hepatectomy for hepatocellular carcinoma from July 2015 to July 2016. All patients received preoperative assessments for LS, PHT, and serum markers of liver fibrosis in addition to other clinicopathological tests...
May 16, 2017: Journal of Gastrointestinal Surgery: Official Journal of the Society for Surgery of the Alimentary Tract
https://www.readbyqxmd.com/read/28509672/update-on-injectables-in-the-nose
#20
Leo L Wang, Oren Friedman
PURPOSE OF REVIEW: The use of injectable fillers for nonsurgical rhinoplasty has increased tremendously over the past decade. This review describes the most commonly used fillers and their indications in the context of recent reports of both their successes and failures. RECENT FINDINGS: Hyaluronic acid and calcium hydroxylapatite are the two most commonly used fillers for injection. Recent studies have found that most injectable fillers are met with success and patient satisfaction, but vascular complications are still a serious problem of which physicians should be wary...
May 13, 2017: Current Opinion in Otolaryngology & Head and Neck Surgery
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