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https://www.readbyqxmd.com/read/27930553/the-effects-of-hyaluronic-acid-on-hemiplegic-shoulder-injury-and-pain-in-patients-with-subacute-stroke-a-randomized-controlled-pilot-study
#1
Yu-Chi Huang, Chau-Peng Leong, Lin Wang, Mei-Ju Chen, Chien-Yi Chuang, Mei-Yun Liaw, Lin-Yi Wang
BACKGROUND: Hemiplegic shoulder pain (HSP) is one of the most common comorbidities in stroke patients with flaccid shoulders. The pain limits functional motor recovery and affects the activities of daily living after acute stroke. This study investigated the effects of hyaluronic acid (HA) injection on pain reduction and motor function in subacute stroke patients with HSP and injury. METHODS: A randomized, double-blinded controlled trial was conducted in a medical center...
December 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27930375/comparison-of-intra-arterial-and-subcutaneous-testicular-hyaluronidase-injection-treatments-and-the-vascular-complications-of-hyaluronic-acid-filler
#2
Muyao Wang, Wei Li, Yan Zhang, Weidong Tian, Hang Wang
BACKGROUND: Hyaluronidase is a key preventative treatment against vascular complications of hyaluronic acid (HA) filler injection, but the degradation profile of HA to hyaluronidase is limited, and the comparison between intra-arterial and subcutaneous injections of hyaluronidase has not been studied. OBJECTIVE: To evaluate HA degradation to hyaluronidase and compare different treatments between intra-arterial and subcutaneous testicular hyaluronidase injections...
December 2, 2016: Dermatologic Surgery: Official Publication for American Society for Dermatologic Surgery [et Al.]
https://www.readbyqxmd.com/read/27929721/a-randomized-multicenter-study-comparing-0-1-0-15-and-0-3-sodium-hyaluronate-with-0-05-cyclosporine-in-the-treatment-of-dry-eye
#3
Yuli Park, Jong Suk Song, Chul Young Choi, Kyung Chul Yoon, Hyung Keun Lee, Hyun Seung Kim
PURPOSE: To investigate the efficacy of 0.1%, 0.15%, and 0.3% sodium hyaluronate (SH) artificial tears compared with 0.05% cyclosporine (CS) ophthalmic solution for the treatment of dry eye. METHODS: One hundred seventy-six patients were recruited and randomized to receive of 0.1%, 0.15%, and 0.3% SH and 0.05% CS. There was a primary end point which is the changes in the fluorescein corneal staining (FCS) score to determine noninferiority of 0.1%, 0.15%, and 0.3% SH...
December 8, 2016: Journal of Ocular Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/27929475/anticancer-efficacy-of-photodynamic-therapy-with-lung-cancer-targeted-nanoparticles
#4
Ji-Eun Chang, Hyun-Jong Cho, Sanghoon Jheon
Photodynamic therapy (PDT) is a non-invasive and non-surgical method representing an attractive alternative choice for lung cancer treatment. Photosensitizers selectively accumulate in tumor tissue and lead to tumor cell death in the presence of oxygen and the proper wavelength of light. To increase the therapeutic effect of PDT, we developed both photosensitizer- and anticancer agent-loaded lung cancer-targeted nanoparticles. Both enhanced permeability and retention (EPR) effect-based passive targeting and hyaluronic-acid-CD44 interaction-based active targeting were applied...
December 1, 2016: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/27928742/implementation-of-infrared-and-raman-modalities-for-glycosaminoglycan-characterization-in-complex-systems
#5
Hossam Taha Mohamed, Valérie Untereiner, Ganesh D Sockalingum, Stéphane Brézillon
Glycosaminoglycans (GAGs) are natural, linear and negatively charged heteropolysaccharides which are incident in every mammalian tissue. They consist of repeating disaccharide units, which are composed of either sulfated or non-sulfated monosaccharides. Depending on tissue types, GAGs exhibit structural heterogeneity such as the position and degree of sulfation or within their disaccharide units composition being heparin, heparan sulfate, chondroitine sulfate, dermatan sulfate, keratan sulfate, and hyaluronic acid...
December 7, 2016: Glycoconjugate Journal
https://www.readbyqxmd.com/read/27926509/photo-crosslinked-hama-hydrogel-with-cordycepin-encapsulated-chitosan-microspheres-for-osteoarthritis-treatment
#6
Chen Xia, Pengfei Chen, Sheng Mei, Lei Ning, Chenyang Lei, Jiying Wang, Jianfeng Zhang, Jianjun Ma, Shunwu Fan
Autophagy is a protective mechanism in normal cartilage. The present study aimed to investigate the synergistic therapeutic effect of promotion of chondrocyte autophagy via exposure to cordycepin encapsulated by chitosan microspheres (CM-cordycepin) and photo-crosslinked hyaluronic acid methacrylate (HAMA) hydrogel, with the goal of evaluating CM-cordycepin as a treatment for patients with osteoarthritis. First, we developed and evaluated the characteristics of HAMA hydrogels and chitosan microspheres. Next, we measured the effect of cordycepin on cartilage matrix degradation induced by IL1-β in chondrocytes and an ex vivo model...
December 1, 2016: Oncotarget
https://www.readbyqxmd.com/read/27925458/an-engineered-breast-cancer-model-on-a-chip-to-replicate-ecm-activation-in-vitro-during-tumor-progression
#7
Filomena Gioiella, Francesco Urciuolo, Giorgia Imparato, Virginia Brancato, Paolo A Netti
In this work, a new model of breast cancer is proposed featuring both epithelial and stromal tissues arranged on a microfluidic chip. The main task of the work is the in vitro replication of the stromal activation during tumor epithelial invasion. The activation of tumor stroma and its morphological/compositional changes play a key role in tumor progression. Despite emerging evidences, to date the activation of tumor stroma in vitro has not been achieved yet. The tumor-on-chip proposed in this work is built in order to replicate the features of its native counterpart: multicellularity (tumor epithelial cell and stromal cell); 3D engineered stroma compartment composed of cell-assembled extracellular matrix (ECM); reliable 3D tumor architecture...
December 2016: Advanced Healthcare Materials
https://www.readbyqxmd.com/read/27924423/ms-ir-a-new-ms-based-hyphenated-method-for-analysis-of-hexuronic-acid-epimers-in-glycosaminoglycans
#8
Baptiste Schindler, Gina Renois-Predelus, Nassiba Bagdadi, Sihem Melizi, Loïc Barnes, Stéphane Chambert, Abdul-Rahman Allouche, Isabelle Compagnon
We report an original MS-based hyphenated method for the elucidation of the epimerization in GAG fragments. It consists of measuring simultaneously the MS/MS spectrum and the gas phase IR spectrum to gain direct structural information. This is possible using a customized MS instrument, modified to allow injection of a tunable IR laser inside of the instrument for in situ spectroscopy of trapped ions. The proof of principle of this approach is performed in the case of a hyaluronic acid tetrasaccharide standard...
December 7, 2016: Glycoconjugate Journal
https://www.readbyqxmd.com/read/27924359/effects-of-4-methylumbelliferone-and-high-molecular-weight-hyaluronic-acid-on-the-inflammation-of-corneal-stromal-cells-induced-by-lps
#9
Fang Li, Peng Hao, Guangjie Liu, Weiyi Wang, Ruifang Han, Zhixin Jiang, Xuan Li
PURPOSE: To investigate the effects of hyaluronic acid (HA) on the inflammation of corneal fibroblasts induced by lipopolysaccharide (LPS). METHODS: Primary rabbit corneal keratocytes were isolated with collagenase. The keratocytes were cultured in a serum-containing medium to induce corneal fibroblasts, which represented the wound repair phenotype of corneal keratocytes. Corneal fibroblasts were treated with LPS with or without 4-methylumbelliferone (4-MU) / high molecular weight hyaluronic acid (HMWHA)...
December 6, 2016: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/27924172/hyaluronic-acid-fat-graft-myringoplasty-versus-autologous-platelet-rich-plasma
#10
Salman F Alhabib, Issam Saliba
BACKGROUND: Hyaluronic acid fat graft myringoplasty (HAFGM) is an office-based technique for tympanic membrane perforation (TMP) treatment. It is simple, inexpensive, and performed under local anesthesia at the outpatient office department. We aimed to compare HAFGM technique to a recently described topical use of autologous platelet rich plasma myringoplasty (PRPM) in the repair of TMP. We also aimed to assess the hearing level improvement postoperatively. METHODS: We conducted a prospective study in an adult tertiary care center between January 2015 and January 2016...
January 2017: Journal of Clinical Medicine Research
https://www.readbyqxmd.com/read/27924161/combination-therapy-for-ulcerative-colitis-orally-targeted-nanoparticles-prevent-mucosal-damage-and-relieve-inflammation
#11
Bo Xiao, Zhan Zhang, Emilie Viennois, Yuejun Kang, Mingzhen Zhang, Moon Kwon Han, Jiucun Chen, Didier Merlin
Combination therapy is an emerging strategy that is under intensive preclinical investigation for the treatment of various diseases. CD98 is highly overexpressed on the surfaces of epithelial cells and macrophages in the colon tissue with ulcerative colitis (UC), which is usually associated with mucosal damage and inflammation. We previously proved that CD98 siRNA (siCD98)-induced down-regulation of CD98 in colitis tissue decreased the severity of UC to a certain extent. In an effort to further improve the therapeutic efficacy, we aim to simultaneously deliver siCD98 in combination with a potent anti-inflammatory agent, curcumin (CUR), using hyaluronic acid (HA)-functionalized polymeric nanoparticles (NPs)...
2016: Theranostics
https://www.readbyqxmd.com/read/27923810/durability-of-three-different-types-of-hyaluronic-acid-fillers-in-skin-are-there-differences-among-biphasic-monophasic-monodensified-and-monophasic-polydensified-products
#12
Adilson da Costa, Danilo Guerreiro Zeolo Biccigo, Ellem Tatiani de Souza Weimann, Larissa Mondadori Mercadante, Paulo Roberto Grimaldi Oliveira, Stefânia Bazanelli Prebianchi, Beatrice Martinez Zugaib Abdalla
BACKGROUND: Hyaluronic acid fillers are used for facial rejuvenation and are classified as non-cross-linked or cross-linked (monophasic mono- or polydensified). OBJECTIVES: To histologically assess the intradermal durability of three types of fillers (biphasic, monophasic monodensified, and monophasic polydensified), to compare the durability of the products over 6 months, and to evaluate the structural changes after application. METHODS: In all, 25 volunteers received injections of three different fillers in the dermis of the right lumbar region (in one line), and equal amounts of the fillers were injected into three different sites (in the same column), yielding nine points of application in each patient...
December 6, 2016: Aesthetic Surgery Journal
https://www.readbyqxmd.com/read/27923698/engineered-sodium-hyaluronate-respirable-dry-powders-for-pulmonary-drug-delivery
#13
Francesco Martinelli, Anna Giulia Balducci, Abhinav Kumar, Fabio Sonvico, Ben Forbes, Ruggero Bettini, Francesca Buttini
Sodium hyaluronate (HYA) warrants attention as a material for inhalation due to its (i) therapeutic potential, (ii) utility as a formulation excipient or drug carrier, and (iii) ability to target lung inflammation and cancer. This study aimed to overcome formulation and manufacturing impediments to engineer biocompatible spray-dried HYA powders for inhalation. Novel methodology was developed to produce HYA microparticles by spray drying. Different types of surfactant were included in the formulation to improve powder respirability, which was evaluated in vitro using cascade impactors...
December 3, 2016: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/27923697/layer-by-layer-nanoparticle-platform-for-cancer-active-targeting
#14
Min Sung Suh, Jie Shen, Liisa T Kuhn, Diane J Burgess
Nanoparticles as drug delivery carriers have been investigated over the last few decades, particularly for cancer treatment. The rationale in developing such nanoparticles is to maximize drug efficacy while minimizing toxic side effects. This can be most effectively achieved through target specific drug delivery. A novel biocompatible nanoparticle platform prepared using the core-shell self-assembly technique is reported. The core consists of calcium phosphate which is biocompatible and pH-sensitive, and the shell is composed of biocompatible polymers (hyaluronic acid, CD44 targeting moiety; and chitosan, physical cross-linker)...
December 5, 2016: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/27920897/impact-of-biopolymer-matrices-on-relaxometric-properties-of-contrast-agents
#15
Alfonso Maria Ponsiglione, Maria Russo, Paolo Antonio Netti, Enza Torino
Properties of water molecules at the interface between contrast agents (CAs) for magnetic resonance imaging and macromolecules could have a valuable impact on the effectiveness of metal chelates. Recent studies, indeed, demonstrated that polymer architectures could influence CAs' relaxivity by modifying the correlation times of the metal chelate. However, an understanding of the physico-chemical properties of polymer/CA systems is necessary to improve the efficiency of clinically used CAs, still exhibiting low relaxivity...
December 6, 2016: Interface Focus
https://www.readbyqxmd.com/read/27920810/hyaluronic-acid-in-the-management-of-osteoarthritis-injection-therapies-innovations
#16
Valter Santilli, Marco Paoloni, Massimiliano Mangone, Federica Alviti, Andrea Bernetti
Osteoarthritis (OA) is a chronic degenerative joint disease characterized by pain and progressive functional limitation. Viscosupplementation with intra-articular (IA) hyaluronic acid (HA) could be a treatment option in OA, however recommendations made in different international guidelines for the non-surgical management of OA are not always concordant with regard to the role of IA injection therapies. Results from a recent Italian Consensus Conference underline how IA-HA to treat OA represents a widely used therapy in Italy...
May 2016: Clinical Cases in Mineral and Bone Metabolism
https://www.readbyqxmd.com/read/27920709/shoulder-pain-after-fall-septic-shock-and-pyomyositis-associated-with-breast-cancer-chemotherapy-and-lymphedema
#17
Hiromitsu Kitayama, Junko Sugiyama, Michiaki Hirayama, Yosihiro Onada, Yasushi Tsuji
BACKGROUND: As a symptom of pyomyositis, sepsis usually follows local inflammation signs. Here, we report pyomyositis with lymphedema of upper extremity in which septic shock and poor local findings initially presented during chemotherapy for breast cancer. CASE REPORT: An 80-year-old woman presented with chronic right shoulder pain during chemotherapy for the recurrent disease. She had a history of postmastectomy lymphedema, diabetes mellitus, and repeated hyaluronic acid injections to the shoulder joint...
September 2016: Case Reports in Oncology
https://www.readbyqxmd.com/read/27920533/effect-of-inserted-spacer-in-hepatic-cell-penetrating-multifunctional-peptide-component-on-the-dna-intracellular-delivery-of-quaternary-complexes-based-on-modular-design
#18
Luchen Zhang, Zhenbo Li, Fangli Sun, Yuhong Xu, Zixiu Du
A safe and efficient quaternary gene delivery system (named Q-complexes) was constructed based on self-assembly of molecules through noncovalent bonds. This system was formulated through the cooperation and competing interactions of cationic liposomes, multifunctional peptides, and DNA, followed by coating hyaluronic acid on the surface of the ternary complexes. The multifunctional peptide was composed of two functional domains: penetrating hepatic tumor-targeted cell moiety (KRPTMRFRYTWNPMK) and a wrapping gene sequence (polyarginine 16)...
2016: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/27919839/heparin-hyaluronic-acid-hydrogel-for-efficient-cellular-activities-of-3d-encapsulated-adipose-derived-stem-cells
#19
Kihak Gwon, Eunsol Kim, Giyoong Tae
We have developed stem cell-responsive, heparin-hyaluronic acid (Hep-HA) hydrogel, crosslinked by thiolated heparin (Hep-SH) and methacrylated hyaluronic acid (HA-MA) via visible light mediated, thiol-ene reaction. Physical properties of the hydrogel (gelation time, storage modulus, and swelling ratio) were tunable by adjusting light intensity, initiator/polymer concentration, and precursor pH. Culture of human adipose derived mesenchymal stem cells (ADSCs) using this hydrogel was characterized and compared with the control hydrogels including Hep-PEG hydrogel, PEG-HA hydrogel...
December 2, 2016: Acta Biomaterialia
https://www.readbyqxmd.com/read/27916889/hyaluronic-acid-gel-based-scaffolds-as-potential-carrier-for-growth-factors-an-in-vitro-bioassay-on-its-osteogenic-potential
#20
Masako Fujioka-Kobayashi, Benoit Schaller, Eizaburo Kobayashi, Maria Hernandez, Yufeng Zhang, Richard J Miron
Hyaluronic acid (HA) has been utilized for a variety of regenerative medical procedures due to its widespread presence in connective tissue and perceived biocompatibility. The aim of the present study was to investigate HA in combination with recombinant human bone morphogenetic protein 9 (rhBMP9), one of the most osteogenic growth factors of the BMP family. HA was first combined with rhBMP9 and assessed for the adsorption and release of rhBMP9 over 10 days by ELISA. Thereafter, ST2 pre-osteoblasts were investigated by comparing (1) control tissue culture plastic, (2) HA alone, and (3) HA with rhBMP9 (100 ng/mL)...
November 30, 2016: Journal of Clinical Medicine
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