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https://www.readbyqxmd.com/read/29053076/protective-effect-of-biodegradable-nerve-conduit-against-peripheral-nerve-adhesion-after-neurolysis
#1
Kosuke Shintani, Takuya Uemura, Kiyohito Takamatsu, Takuya Yokoi, Ema Onode, Mitsuhiro Okada, Hiroaki Nakamura
OBJECTIVE Peripheral nerve adhesion caused by extraneural and intraneural scar formation after neurolysis leads to nerve dysfunction. The authors previously developed a novel very flexible biodegradable nerve conduit composed of poly(L-lactide) and poly(ε-caprolactone) for use in peripheral nerve regeneration. In the present study, they investigated the effect of protective nerve wrapping on preventing adhesion in a rat sciatic nerve adhesion model. METHODS Rat sciatic nerves were randomly assigned to one of the following four groups: a no-adhesion group, which involved neurolysis alone without an adhesion procedure; an adhesion group, in which the adhesion procedure was performed after neurolysis, but no treatment was subsequently administered; a nerve wrap group, in which the adhesion procedure was performed after neurolysis and protective nerve wrapping was then performed with the nerve conduit; and a hyaluronic acid (HA) group, in which the adhesion procedure was performed after neurolysis and nerve wrapping was then performed with a 1% sodium HA viscous solution...
October 20, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/29052842/shear-stress-upregulates-regeneration-related-immediate-early-genes-in-liver-progenitors-in-3d-ecm-like-microenvironments
#2
Kenichiro Nishii, Erik Brodin, Taylor Renshaw, Rachael Weesner, Emma Moran, Shay Soker, Jessica L Sparks
The role of fluid stresses in activating the hepatic stem/progenitor cell regenerative response is not well understood. This study hypothesized that immediate early genes (IEGs) with known links to liver regeneration will be upregulated in liver progenitor cells (LPCs) exposed to in vitro shear stresses on the order of those produced from elevated interstitial flow after partial hepatectomy. The objectives were: (1) to develop a shear flow chamber for application of fluid stress to LPCs in 3D culture; and (2) to determine the effects of fluid stress on IEG expression in LPCs...
October 20, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/29052749/-body-experience-and-self-esteem-after-minimally-invasive-skin-rejuvenation-study-of-female-patients-using-botulinum-toxin%C3%A2-a-and-or-dermal-fillers
#3
REVIEW
D Scharschmidt, S Preiß, E Brähler, T Fischer, A Borkenhagen
BACKGROUND: More and more people worldwide and also in Germany are using botulinum toxin type A (BoNT-A) and hyaluronic acid injections for skin rejuvenation. OBJECTIVE: Study on body image and self-esteem of women with BoNT-A and/or hyaluronic acid filler treatment. MATERIAL AND METHODS: A total of 145 women who requested BoNT-A and/or hyaluronic acid injections completed a survey comprised of the body dysmorphic disorder questionnaire, the Rosenberg self-esteem scale and questionnaires on the attitudes and motives on measures for optimization of the body and demographic features...
October 20, 2017: Der Hautarzt; Zeitschrift Für Dermatologie, Venerologie, und Verwandte Gebiete
https://www.readbyqxmd.com/read/29051707/efficacy-of-intra-articular-injection-of-a-newly-developed-plasma-rich-in-growth-factor-prgf-versus-hyaluronic-acid-on-pain-and-function-of-patients-with-knee-osteoarthritis-a-single-blinded-randomized-clinical-trial
#4
Seyed Ahmad Raeissadat, Seyed Mansoor Rayegani, Azadeh Gharooee Ahangar, Porya Hassan Abadi, Parviz Mojgani, Omid Gharooi Ahangar
BACKGROUND AND OBJECTIVES: Knee osteoarthritis is the most common joint disease. We aimed to compare the efficacy and safety of intra-articular injection of a newly developed plasma rich in growth factor (PRGF) versus hyaluronic acid (HA) on pain and function of patients with knee osteoarthritis. METHODS: In this single-blinded randomized clinical trial, patients with symptomatic osteoarthritis of knee were assigned to receive 2 intra-articular injections of our newly developed PRGF in 3 weeks or 3 weekly injections of HA...
2017: Clinical Medicine Insights. Arthritis and Musculoskeletal Disorders
https://www.readbyqxmd.com/read/29046820/bioimaging-of-botulinum-toxin-and-hyaluronate-hydrogels-using-zwitterionic-near-infrared-fluorophores
#5
Ki Su Kim, Yun Seop Kim, Kai Bao, Hideyuki Wada, Hak Soo Choi, Sei Kwang Hahn
BACKGROUND: The injection of botulinum toxin (BTX) to reduce facial wrinkles is one of the most frequently performed plastic surgery procedures. The biocompatible hydrogels are injected with BTX for effective tissue augmentation. However, it is difficult to determine the interval of injection for effective tissue augmentation. METHOD: BTX and hyaluronate (HA) hydrogels were labeled with zwitterionic (ZW) near-infrared (NIR) fluorophores and visualized for 3 weeks after injection to BALB/c nude mice...
2017: Biomaterials Research
https://www.readbyqxmd.com/read/29044993/intra-articular-hyaluronic-acid-injection-in-treating-knee-osteoarthritis-assessing-risk-of-bias-in-systematic-reviews-with-robis-tool
#6
Dan Xing, Bin Wang, Wei Zhang, Ziyi Yang, Yunfei Hou, Yaolong Chen, Jianhao Lin
OBJECTIVES: Intra-articular injection of hyaluronic acid (HA) is a common, yet controversial therapeutic option in treating knee osteoarthritis (OA). The purpose of the present study was to assess the risk of bias (RoB) of systematic reviews (SRs) and to summarize available evidence of HA in treating knee OA. METHODS: A systematic search of SRs published through to December 2016 was conducted using the MEDLINE, EMBASE and Cochrane Library. The RoB of included SRs was assessed by ROBIS tool...
October 17, 2017: International Journal of Rheumatic Diseases
https://www.readbyqxmd.com/read/29040986/comparison-of-sofosbuvir-plus-ribavirin-treatment-with-pegylated-interferon-plus-ribavirin-treatment-for-chronic-hepatitis-c-genotype-2
#7
Kayo Seo, Soo Ki Kim, Soo Ryang Kim, Aya Ohtani, Mana Kobayashi, Airi Kato, Eri Morimoto, Yuka Saijo, Ke Ih Kim, Susumu Imoto, Chi Wan Kim, Yoshihiko Yano, Masatoshi Kudo, Yoshitake Hayashi
BACKGROUND: Sofosbuvir plus ribavirin (RBV) therapy showed higher sustained virological response at 12 weeks after treatment (SVR12) than pegylated interferon (peg-IFN) plus RBV; however, liver function, fibrosis, and hepatocellular carcinoma markers have not been assessed so far. SUMMARY: Patients (n = 21) receiving Sofosbuvir plus RBV and those (n = 24) receiving peg-IFN plus RBV were enrolled in this study. Changes in alanine aminotransferase (ALT) and α-fetoprotein (AFP) levels, platelet (PLT) counts, FIB-4, and aspartate aminotransferase-to-platelet ratio index (APRI) in both groups were assessed in patients achieving SVR12...
2017: Digestive Diseases
https://www.readbyqxmd.com/read/29040984/ability-of-cytokeratin-18-fragments-and-fib-4-index-to-diagnose-overall-and-mild-fibrosis-nonalcoholic-steatohepatitis-in-japanese-nonalcoholic-fatty-liver-disease-patients
#8
Natsuko Kobayashi, Takashi Kumada, Hidenori Toyoda, Toshifumi Tada, Takanori Ito, Masayoshi Kage, Takeshi Okanoue, Masatoshi Kudo
BACKGROUND: Several laboratory markers used in lieu of liver biopsy are reportedly useful in the diagnosis of nonalcoholic steatohepatitis (NASH). In the present study, we investigated the diagnostic impact of various non-invasive markers for predicting NASH. METHODS: A total of 229 nonalcoholic fatty liver disease (NAFLD) patients who underwent liver biopsy were enrolled for the study. The diagnostic ability of various markers to diagnose NASH from NAFLD was investigated...
2017: Digestive Diseases
https://www.readbyqxmd.com/read/29040358/tissue-expansion-using-hyaluronic-acid-filler-for-single-stage-ear-reconstruction-a-novel-concept-for-difficult-areas
#9
Amir Inbal, Benjamin T Lemelman, Eran Millet, Andrew Greensmith
Background: Auricular reconstruction is one of the most challenging procedures in plastic surgery. An adequate skin envelope is essential for cartilage framework coverage, yet few good options exist without additional surgery. We propose a novel method for minimally invasive tissue expansion, using hyaluronic acid (HA) filler to allow for single-stage ear reconstruction. Objectives: To introduce the novel concept of HA filler for tissue expansion in ear reconstruction, and as an alternative to traditional expansion techniques...
July 20, 2017: Aesthetic Surgery Journal
https://www.readbyqxmd.com/read/29040203/the-temporal-response-and-mechanism-of-action-of-tranexamic-acid-in-endothelial-glycocalyx-degradation
#10
Mark E Diebel, Jonathan V Martin, David M Liberati, Lawrence N Diebel
BACKGROUND: The endothelial glycocalyx (GCX) plays an important role in vascular barrier function. Damage to the GCX occurs due to a variety of causes including hypoxia, ischemia-reperfusion, stress related sympathoadrenal activation, and inflammation. Tranexamic acid (TXA) may prevent GCX degradation. The therapeutic window for TXA administration and the mechanism of action has been under review. Membrane-anchored proteases (sheddases) are key components in endothelial cell biology including the regulation of vascular permeability...
October 16, 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/29040066/evaluation-of-oral-multi-herbal-preparation-of-dashmoolarishta-on-mice-model-of-osteoarthritis
#11
Yashashri C Shetty, Santosh Godbharle, Smita Brahma, Sweta Salgaonkar, Nirmala N Rege
BACKGROUND: Osteoarthritis (OA) is a chronic progressive disease commonly affecting the hip and knee joints. Although synthetic drugs are available and afford symptomatic relief, their side effects pose limitations to their continuous use. So, this research was focused on extracting drugs from indigenous medicinal plants that could have a beneficial effect on osteoarthritis. Dashmoolarishta is one such preparation whose effects have never been studied in comparison with recent drugs like hyaluronic acid (HA), hence this particular study was undertaken...
October 17, 2017: Journal of Basic and Clinical Physiology and Pharmacology
https://www.readbyqxmd.com/read/29038631/efficacy-of-temporomandibular-joint-arthrocentesis-with-sodium-hyaluronate-in-the-management-of-temporomandibular-joint-disorders-a-prospective-randomized-control-trial
#12
Harsha Gorrela, J Prameela, G Srinivas, B Vijay Baskar Reddy, Mvs Sudhir, Gururaj Arakeri
PURPOSE: This study was designed to investigate the efficacy of the temporomandibular joint arthrocentesis with and without injection of sodium hyaluronate (SH) in the treatment of temporomandibular joint disorders. PATIENTS AND METHODS: A total of sixty two TMJs in 34 males and 28 females aged 20-65 years comprised the study material. The patients' complaints were limited mouth opening, TMJ pain, and joint noises during function. Patients were randomly divided into 2 groups in which arthrocentesis plus intra-articular injection of sodium hyaluronate was performed in 1 group and only arthrocentesis was performed in the other group...
December 2017: Journal of Maxillofacial and Oral Surgery
https://www.readbyqxmd.com/read/29038066/in-vitro-and-preclinical-assessment-of-an-intranasal-spray-formulation-of-parathyroid-hormone-pth-1-34-for-the-treatment-of-osteoporosis
#13
Allan J Williams, Faron Jordan, Gareth King, Andrew L Lewis, Lisbeth Illum, Tahir Masud, Alan C Perkins, Richard G Pearson
Osteoporosis treatment with PTH 1-34 injections significantly reduces the incidence of bone fracture. Potential further reductions in fracture rate should be observed through nasal spray delivery to address the poor compliance associated with patient dislike of repeated PTH 1-34 subcutaneous injections. In vitro human osteoblast-like Saos-2 cell intracellular cAMP levels were used to define PTH 1-34 nasal spray formulation bioactivity. The chemically synthesised PTH 1-34 had an EC50 of 0.76nM. Absorption enhancers polyethylene glycol (15)-hydroxystearate (Solutol(®) HS15), poloxamer 407, chitosan or sodium hyaluronate did not diminish the bioactivity of PTH 1-34 within an in vitro cell culture model (p >0...
October 13, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/29036920/evaluation-of-mc3t3-cells-proliferation-and-drug-release-study-from-sodium-hyaluronate-1-4-butanediol-diglycidyl-ether-patterned-gel
#14
Sumi Bang, Dipankar Das, Jiyun Yu, Insup Noh
A pattern gel has been fabricated using sodium hyaluronate (HA) and 1,4-butanediol diglycidyl ether (BDDGE) through the micro-molding technique. The cellular behavior of osteoblast cells (MC3T3) in the presence and absence of dimethyloxalylglycine (DMOG) and sodium borate (NaB) in the pattern gel (HA-BDDGE) has been evaluated for its potential application in bone regeneration. The Fourier transform infrared spectroscopy (FTIR), (13)C-nuclear magnetic resonance spectroscopy ((13)C NMR), and thermogravimetric analysis (TGA) results implied the crosslinking reaction between HA and BDDGE...
October 14, 2017: Nanomaterials
https://www.readbyqxmd.com/read/29031982/functionalized-hbn-as-targeted-photothermal-chemotherapy-for-complete-eradication-of-cancer-cells
#15
Shazid Md Sharker, Md Ashraful Alam, Manik Chandra Shill, G M Sayedur Rahman, Hasan Mahmud Reza
The development of combined anticancer therapeutic techniques has drawn increased attention for enhanced therapeutic efficacy. In this work, we synthesized Near Infrared (NIR) responsive ICG (I) functionalized hexagonal boron-nitride (hBN) as photothermal therapeutic agent (hBNI) and Doxorubicin (Dox)-conjugated Hyaluronic acid (HA) as tumor targeted chemotherapeutic agent (d-HA-Dox). Using adhesion properties of Dopamine (d), the hBNI has been integrated with d-HA-Dox to make a tumor targeted photothermal chemotherapeutic agent (hBNI/d-HA-Dox)...
October 13, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/29030990/novel-nanohydrogel-of-hyaluronic-acid-loaded-with-quercetin-alone-and-in-combination-with-temozolomide-as-new-therapeutic-tool-cd44-targeted-based-of-glioblastoma-multiforme
#16
M Barbarisi, R V Iaffaioli, E Armenia, L Schiavo, G De Sena, S Tafuto, A Barbarisi, V Quagliariello
Glioblastoma multiforme is the most common and aggressive primary brain cancer with only ∼3% of patients surviving more than 3 years from diagnosis. Several mechanisms are involved in drug and radiation resistance to anticancer treatments and among them one of the most important factors is the tumour microenvironment status, characterised by cancer cell hypersecretion of interleukins and cytokines. The aim of our research was the synthesis of a nanocarrier of quercetin combined with temozolomide, to enhance the specificity and efficacy of this anticancer drug commonly used in glioblastoma treatment...
October 14, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/29027711/expansion-of-mesenchymal-stem-cells-on-electrospun-scaffolds-maintains-stemness-mechano-responsivity-and-differentiation-potential
#17
Su-Jin Heo, Spencer E Szczesny, Dong Hwa Kim, Kamiel S Saleh, Robert L Mauck
Mesenchymal stem cells (MSCs) hold great promise for regenerative therapies and tissue engineering applications given their multipotential differentiation capacity. However, MSC isolation and expansion are typically performed on super-physiologically stiff tissue culture plastic (TCP), which may alter their behavior and lead to unintended consequences upon implantation. In contrast, electrospun nanofibrous scaffolds possess physical and mechanical properties that are similar to that of native tissue. In this study, we investigated whether isolation and expansion of juvenile bovine MSCs directly onto electrospun nanofibrous scaffolds better preserves MSC phenotype and stemness compared to TCP...
October 13, 2017: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
https://www.readbyqxmd.com/read/29027133/combination-of-a-chemopreventive-agent-and-paclitaxel-in-cd44-targeted-hybrid-nanoparticles-for-breast-cancer-treatment
#18
Bao Ngoc Tran, Hanh Thuy Nguyen, Jong Oh Kim, Chul Soon Yong, Chien Ngoc Nguyen
The CD44 receptor, which is upregulated in many cancer cells, provides a selective cellular surface for targeted drug delivery systems. We developed a hybrid nanocarrier for the CD44-targeted delivery of ibuprofen (IBU) and paclitaxel (PTX). The solid lipid nanoparticles (SLNs) were prepared by a hot-melt oil/water emulsion technique and then coated with hyaluronic acid (HA) by electrostatic interactions. The final SLN were spherical with a hydrodynamic diameter (Z) of 72.16 ± 2.9 nm, polydispersity index (PDI) of 0...
October 12, 2017: Archives of Pharmacal Research
https://www.readbyqxmd.com/read/29025668/sustained-raloxifene-release-from-hyaluronan-alendronate-functionalized-titanium-nanotube-arrays-capable-of-enhancing-osseointegration-in-osteoporotic-rabbits
#19
Caiyun Mu, Yan Hu, Ling Huang, Xinkun Shen, Menghuan Li, Liqi Li, Hao Gu, Yonglin Yu, Zhining Xia, Kaiyong Cai
To enhance the localized bone remodeling at titanium-based implants under osteoporotic conditions, TiO2 nanotube arrays (TNT) were used as nanoreserviors for raloxifene (Ral) and then covered with the hybrid multilayered coating of chitosan and alendronate grafted hyaluronic acid (HA-Aln) via a spin-assisted layer-by-layer technique. The fabrication of this system (TNT/Ral/LBL-Aln) was characterized by field emission scanning electron microscopy (SEM), atomic force microscope (AFM) and X-ray photoelectron spectroscopy (XPS), respectively...
January 1, 2018: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/29025227/the-efficacy-of-vibration-anesthesia-on-reducing-pain-levels-during-lip-augmentation-worth-the-buzz
#20
Kirdar Guney, Billur Sezgin, Reha Yavuzer
Background: Lip augmentation procedures have increased drastically in the last years as patients seek to enhance the shape and size of their lips with dermal fillers. One of the main concerns faced with these procedures is the pain inflicted through injections. On the other hand, many different techniques have been introduced for the reduction of pain while performing office-based minimal invasive procedures. Objectives: This study aims to determine the analgesic effect of vibration anesthesia during lip augmentation procedures and to evaluate its overall effect on the comfort of patients...
October 1, 2017: Aesthetic Surgery Journal
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