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https://www.readbyqxmd.com/read/29156841/efficacy-of-intra-articular-hyaluronic-acid-injections-in-hip-osteoarthritis-a-meta-analysis-of-randomized-controlled-trials
#1
Bei Wu, Yao-Min Li, Yan-Cheng Liu
There is less credible evidence of using of intra-articular injections of hyaluronic acid (HA) to treat hip osteoarthritis (OA). This study is to determine the therapeutic effects and risk of adverse events of HA administration for hip OA. The MEDLINE, Cochrane of Systematic Reviews, Cochrane Clinical Trial Register and EMBASE, were searched for articles published. Eligible studies were limited to trials of HA with a randomized design. A total of six studies were included in this the meta-analysis. The pooled effect size of improved pain scores from pretreatment was -0...
October 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/29155833/do-intra-articular-hyaluronic-acid-injections-delay-total-knee-replacement-in-patients-with-osteoarthritis-a-cox-model-analysis
#2
Angélique Delbarre, Bernard Amor, Isabelle Bardoulat, Aymeric Tetafort, Nathalie Pelletier-Fleury
OBJECTIVES: This study aimed to describe patients treated for knee osteoarthritis between 2006 and 2013 in France and to compare the delay from diagnosis to total knee replacement between patients who received intra-articular hyaluronic acid injections and those who did not receive the injections. A second objective was to compare direct medical costs for ambulatory care between treatment groups. MATERIALS AND METHODS: Patients were selected from a representative sample of the real world administrative claims database using an algorithm developed by experts from the scientific committee of the study...
2017: PloS One
https://www.readbyqxmd.com/read/29153007/ultrasound-guided-hyaluronic-acid-injection-for-the-management-of-morton-s-neuroma
#3
Kang Lee, Il-Yeong Hwang, Chang Hyun Ryu, Jae Woo Lee, Seung Woo Kang
BACKGROUND: Morton's neuroma is one of the common causes of forefoot pain. In the present study, hyaluronic acid injection was performed on patients to determine the efficacy and adverse effects of hyaluronic acid in management of Morton's neuroma. METHODS: Eighty-three patients with Morton's neuroma in their third intermetatarsal space with definite Mulder's click were included in the study. Those with severe forefoot deformities such as forefoot cavus or hallux valgus on plain X-rays were excluded...
November 1, 2017: Foot & Ankle International
https://www.readbyqxmd.com/read/29151130/layered-pegda-hydrogel-for-islet-of-langerhans-encapsulation-and-improvement-of-vascularization
#4
Giulia Marchioli, Lisa Zellner, Catarina Oliveira, Marten Engelse, Eelco de Koning, Joao Mano, Karperien, Aart van Apeldoorn, Lorenzo Moroni
Islets of Langerhans need to maintain their round morphology and to be fast revascularized after transplantation to preserve functional insulin secretion in response to glucose stimulation. For this purpose, a non-cell-adhesive environment is preferable for their embedding. Conversely, nutrient and oxygen supply to islets is guaranteed by capillary ingrowth within the construct and this can only be achieved in a matrix that provides adhesion cues for cells. In this study, two different approaches are explored, which are both based on a layered architecture, in order to combine these two opposite requirements...
November 18, 2017: Journal of Materials Science. Materials in Medicine
https://www.readbyqxmd.com/read/29150765/finite-element-design-optimization-of-a-hyaluronic-acid-based-hydrogel-drug-delivery-device-for-improved-retention
#5
Jourdan Colter, Barbara Wirostko, Brittany Coats
Drug-loaded hydrogel devices are emerging as an effective means of localized and sustained drug delivery for the treatment of corneal conditions and injuries. One such device uses a novel, thiolated crosslinked carboxymethylated, hyaluronic acid-based hydrogel (CMHA-S) film to deliver drug to the ocular surface upon placement into the inferior fornix of the eye. While proven to be very safe and effective, the CMHA-S film tends to dislodge in the highly-lubricated ocular environment, thereby reducing drug delivery efficiency and drug efficacy...
November 17, 2017: Annals of Biomedical Engineering
https://www.readbyqxmd.com/read/29150736/effect-of-erythrocyte-sperm-separation-medium-on-nuclear-acrosomal-and-membrane-maturity-parameters-in-human-sperm
#6
Bikem Soygur, Soner Celik, Ciler Celik-Ozenci, Leyla Sati
PURPOSE: The purpose of this study is to investigate whether erythrocyte-sperm separation medium (ESSM) has effects on human sperm motility, morphology, viability, membrane maturity, acrosome integrity, and nuclear attributes before and after cryopreservation. METHODS: Semen samples from normozoospermic (n = 36) and oligozoospermic (n = 9) patients were analyzed. Samples from the same patient were divided into three aliquots: group 1 and group 2 were resuspended in sperm washing media and ESSM, respectively...
November 18, 2017: Journal of Assisted Reproduction and Genetics
https://www.readbyqxmd.com/read/29146758/non-aesthetic-indications-for-periocular-hyaluronic-acid-filler-treatment-a-review
#7
REVIEW
Petrina Tan, Tsong Qiang Kwong, Raman Malhotra
Dermal fillers have been in use for many years for aesthetic rejuvenation of the face. More recently, however, fillers have been increasingly used as an alternative to traditional surgical procedures for non-aesthetic indications. These indications include lagophthalmos, eyelid malpositions and orbital volume deficiency. The advantages of these filler injections are multiple: minimally invasive, repeatable, titratable and even reversible (depending on the product used). We review the current literature of functional uses of filler injections as mentioned above and evaluate the safety profile and efficacy of filler injections for this purpose...
November 16, 2017: British Journal of Ophthalmology
https://www.readbyqxmd.com/read/29146539/hyaluronan-decorated-liposomes-as-drug-delivery-systems-for-cutaneous-administration
#8
Silvia Franzé, Alessandro Marengo, Barbara Stella, Paola Minghetti, Silvia Arpicco, Francesco Cilurzo
The work aimed to evaluate the feasibility to design hyaluronic acid (HA) decorated flexible liposomes to enhance the skin penetration of nifedipine. Egg phosphatidylcholine (e-PC) based transfersomes (Tween 80) and transethosomes (ethanol) were prepared. HA was reacted with 1,2-dipalmitoyl-sn-glycero-3-phosphoethanolamine (HA-DPPE) and two molar ratios (0.5 and 3%) of conjugate with respect to e-PC were tested. The presence of HA significantly increased the packing order of the bilayer (as verified by differential scanning calorimetry), reducing both the encapsulation efficiency and the flexibility of the decorated liposomes in a dose-dependent manner...
November 13, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/29146054/lymphocytic-thrombophilic-arteritis-a-distinct-inflammatory-type-i-interferon-and-c5b-9-mediated-subcutaneous-endovasculitis
#9
Cynthia M Magro, Jad Saab
BACKGROUND: Lymphocytic thrombophilic arteritis is a recently recognized subcuticular larger vessel vasculitis characterized by striking vascular luminal thrombosis. METHODS: The clinical features, histopathology and phenotypic profile of ten patients with lymphocytic thrombophilic arteritis were explored in an attempt to better define the entity from a clinical and pathophysiologic perspective. RESULTS: The patients were all female (mean age of 43) presenting with generally asymptomatic lower and upper extremity hyperpigmented macules...
December 2017: Annals of Diagnostic Pathology
https://www.readbyqxmd.com/read/29144603/hyaluronic-acid-based-micelles-as-ocular-platform-to-modulate-the-loading-release-and-corneal-permeation-of-corticosteroids
#10
Flavia Bongiovì, Giulia Di Prima, Fabio S Palumbo, Mariano Licciardi, Giovanna Pitarresi, Gaetano Giammona
The aim of this work is to prepare hyaluronic acid-based micelles as a platform to load corticosteroid drugs and to improve their corneal permeation after administration on the ocular surface. Three amphiphilic derivatives of hyaluronic acid (HA) are synthesized using different amounts of hexadecylamine (C16 -NH2 ). HAC16 a, HAC16 b, and HAC16 c derivatives are able to form micelles by the cosolvent evaporation method and to entrap corticosteroids (dexamethasone, triamcinolone, triamcinolone acetonide). HAC16 a and HAC16 b micelles show the best results in terms of drug loading and particle size...
November 16, 2017: Macromolecular Bioscience
https://www.readbyqxmd.com/read/29143522/mmp-2-sensitive-ha-end-conjugated-poly-amidoamine-dendrimers-via-click-reaction-to-enhance-drug-penetration-into-solid-tumor
#11
Min Han, Ming-Yi Huang-Fu, Wang-Wei Guo, Ningning Guo, Jiejian Chen, Huina Liu, Zhiqi Xie, Mengting Lin, Qichun Wei, Jianqing Gao
Currently, the limited tumor penetration of nanoparticles remains a major challenge of cancer nanomedicine. Herein, we propose a size-shrinkable, drug delivery system based on a polysaccharide-modified dendrimer with tumor microenvironment responsiveness for the first time to our knowledge, which was formed by conjugating the terminal glucose of hyaluronic acid (HA) to the superficial amidogen of poly(amidoamine) (PAMAM), using a matrix metalloproteinase-2 (MMP-2)-cleavable peptide (PLGLAG) via click reaction...
November 16, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/29143396/sustained-release-of-stem-cell-factor-in-a-double-network-hydrogel-for-ex-vivo-culture-of-cord-blood-derived-cd34-cells
#12
Yuanhao Zhang, Xiuwei Pan, Zhen Shi, Haibo Cai, Yun Gao, Weian Zhang
OBJECTIVES: Stem cell factor (SCF) is considered as a commonly indispensable cytokine for proliferation of haematopoietic stem cells (HSCs), which is used in large dosages during ex vivo culture. The work presented here aimed to reduce the consumption of SCF by sustained release but still support cells proliferation and maintain the multipotency of HSCs. MATERIALS AND METHODS: Stem cell factor was physically encapsulated within a hyaluronic acid/gelatin double network (HGDN) hydrogel to achieve a slow release rate...
November 15, 2017: Cell Proliferation
https://www.readbyqxmd.com/read/29142552/atypical-chemokine-receptor-1-polymorphism-cannot-be-used-as-an-indicator-of-liver-fibrosis-progression-in-hepatitis-c-virus-positive-patients
#13
Lin-Nan Shao, Shu-Ting Zhang, Shi-Hang Zhou, Wei-Jian Yu, Ming Liu
Background & Objective: Atypical chemokine receptor 1(ACKR1) represents an atypical chemokine receptor that can bind promiscuously to various chemokines. Chemokines play a crucial role to recruit leukocyte subsets migration through the endothelium and into liver against the virus during the progression of hepatitis C virus (HCV) infection. Most HCV positive patients can lead to liver fibrosis. Hyaluronic acid (HA), laminin (LN), collagen IV(C-IV) and amino-terminal pro-peptide of Type-III pro-collagen (PIII NP) are indices of the extent of liver fibrosis...
September 2017: Pakistan Journal of Medical Sciences Quarterly
https://www.readbyqxmd.com/read/29142263/hyaluronic-acid-35-normalizes-tlr4-signaling-in-kupffer-cells-from-ethanol-fed-rats-via-regulation-of-microrna291b-and-its-target-tollip
#14
Paramananda Saikia, Sanjoy Roychowdhury, Damien Bellos, Katherine A Pollard, Megan R McMullen, Rebecca L McCullough, Arthur J McCullough, Pierre Gholam, Carol de la Motte, Laura E Nagy
TLR4 signaling in hepatic macrophages is increased after chronic ethanol feeding. Treatment of hepatic macrophages after chronic ethanol feeding with small-specific sized hyaluronic acid 35 (HA35) normalizes TLR4 signaling; however, the mechanisms for HA35 action are not completely understood. Here we used Next Generation Sequencing of microRNAs to identify negative regulators of TLR4 signaling reciprocally modulated by ethanol and HA35 in hepatic macrophages. Eleven microRNAs were up-regulated by ethanol; only 4 microRNAs, including miR291b, were decreased by HA35...
November 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29141921/microrna-574-suppresses-oocyte-maturation-via-targeting-hyaluronan-synthase-2-in-porcine-cumulus-cells
#15
Bo Pan, Derek Toms, Julang Li
MicroRNAs (miRNAs) have been established as important regulators of gene expression in the mammalian ovary. A previous screen of small RNA in the porcine ovary identified the down regulation of miR-574 during oocyte maturation, although its role during this process was not established. Here, we found that miR-574 directly targets the transcript for hyaluron synthase 2 protein (HAS2), a key enzyme in the production of extracellular matrix by the surrounding cumulus cells. Inhibiting this miRNA during in vitro maturation (IVM) increased HAS2 levels along with several markers of oocyte quality...
November 15, 2017: American Journal of Physiology. Cell Physiology
https://www.readbyqxmd.com/read/29141683/pellet-coculture-of-osteoarthritic-chondrocytes-and-infrapatellar-fat-pad-derived-mesenchymal-stem-cells-with-chitosan-hyaluronic-acid-nanoparticles-promotes-chondrogenic-differentiation
#16
Shu Huang, Xiongbo Song, Tao Li, Jingfang Xiao, Yemiao Chen, Xiaoyuan Gong, Weinan Zeng, Liu Yang, Cheng Chen
BACKGROUND: Cell source plays a key role in cell-based cartilage repair and regeneration. Recent efforts in cell coculture have attempted to combine the advantages and negate the drawbacks of the constituent cell types. The aim of this study was to evaluate the chondrogenic outcome of articular chondrocytes (ACs) and infrapatellar fat pad (IPFP)-derived mesenchymal stem cells (MSCs) in direct coculture. METHODS: ACs and IPFP MSCs from the same patients with knee osteoarthritis (OA) were cocultured in monolayer and in pellets...
November 15, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/29141662/safety-and-tolerability-of-intradiscal-implantation-of-combined-autologous-adipose-derived-mesenchymal-stem-cells-and-hyaluronic-acid-in-patients-with-chronic-discogenic-low-back-pain-1-year-follow-up-of-a-phase-i-study
#17
Hemant Kumar, Doo-Hoe Ha, Eun-Jong Lee, Jun Hee Park, Jeong Hyun Shim, Tae-Keun Ahn, Kyoung-Tae Kim, Alexander E Ropper, Seil Sohn, Chung-Hun Kim, Devang Kashyap Thakor, Soo-Hong Lee, In-Bo Han
BACKGROUND: Adipose tissue-derived mesenchymal stem cells (AT-MSCs) offer potential as a therapeutic option for chronic discogenic low back pain (LBP) because of their immunomodulatory functions and capacity for cartilage differentiation. The goal of this study was to assess the safety and tolerability of a single intradiscal implantation of combined AT-MSCs and hyaluronic acid (HA) derivative in patients with chronic discogenic LBP. METHODS: We performed a single-arm phase I clinical trial with a 12-month follow-up and enrolled 10 eligible chronic LBP patients...
November 15, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/29141114/ph-ultrasound-dual-responsive-gas-generator-for-ultrasound-imaging-guided-therapeutic-inertial-cavitation-and-sonodynamic-therapy
#18
Qianhua Feng, Wanxia Zhang, Xuemei Yang, Yuzhen Li, Yongwei Hao, Hongling Zhang, Lin Hou, Zhenzhong Zhang
Herein, a pH/ultrasound dual-responsive gas generator is reported, which is based on mesoporous calcium carbonate (MCC) nanoparticles by loading sonosensitizer (hematoporphyrin monomethyl ether (HMME)) and modifying surface hyaluronic acid (HA). After pinpointing tumor regions with prominent targeting efficiency, HMME/MCC-HA decomposes instantaneously under the cotriggering of tumoral inherent acidic condition and ultrasound (US) irradiation, concurrently accompanying with CO2 generation and HMME release with spatial/temporal resolution...
November 15, 2017: Advanced Healthcare Materials
https://www.readbyqxmd.com/read/29139103/differentiation-potential-of-human-adipose-stem-cells-bioprinted-with-hyaluronic-acid-gelatin-based-bioink-through-microextrusion-and-visible-light-initiated-crosslinking
#19
Shinji Sakai, Hiromi Ohi, Tomoki Hotta, Hidenori Kamei, Masahito Taya
Bioprinting has a great potential to fabricate three-dimensional (3D) functional tissues and organs. In particular, the technique enables fabrication of 3D constructs containing stem cells while maintaining cell proliferation and differentiation abilities, which is believed to be promising in the fields of tissue engineering and regenerative medicine. We aimed to demonstrate the utility of the bioprinting technique to create hydrogel constructs consisting of hyaluronic acid (HA) and gelatin derivatives through irradiation by visible light to fabricate 3D constructs containing human adipose stem cells (hADSCs)...
November 15, 2017: Biopolymers
https://www.readbyqxmd.com/read/29138694/impact-of-topically-administered-steroids-antibiotics-and-sodium-hyaluronate-on-bleb-related-infection-onset-the-japan-glaucoma-society-survey-of-bleb-related-infection-report-4
#20
Hideto Sagara, Tetsuya Yamamoto, Kimihiro Imaizumi, Tetsuju Sekiryu
Purpose: To investigate the impact of topically administered ophthalmic medications on the onset and severity of bleb-related infections. Methods: Data obtained from 104 eyes of 104 patients with bleb-related infections were analyzed. We assigned an infection stage to each eye (stage 1-4) and analyzed the onset severity. Results: Steroids and antibiotics were routinely administered to 13 (12.5%) and 42 (40.4%) eyes, respectively. The median stage of steroid-administered eyes was 3 versus 1 for eyes without steroid administration (P = 0...
2017: Journal of Ophthalmology
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