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Hyaluronic Acid Bone Regeneration

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https://www.readbyqxmd.com/read/30050929/evaluation-of-the-effectiveness-of-esterified-hyaluronic-acid-fibers-on-bone-regeneration-in-rat-calvarial-defects
#1
Omer B Agrali, Selin Yildirim, Hafize O Ozener, Kemal N Köse, Dilek Ozbeyli, Merva Soluk-Tekkesin, Leyla Kuru
Hyaluronic acid (HA) constitutes one of the major components of the extracellular matrix domain in almost all mammals. The aim of this study was to evaluate the regenerative capacity of HA matrix in rat calvarial bone defects and compare with those of different combinations of resorbable collagen membrane (M) and bovine-derived xenograft (G). Twenty-four 3-month-old male Sprague-Dawley rats weighing 200-250 g were included. Control group was created by leaving one defect empty from 2 critical size defects with 5 mm diameter formed in the calvarial bones of 8 rats...
2018: BioMed Research International
https://www.readbyqxmd.com/read/30030840/bdnf-hmw-ha-complex-as-an-adjunct-to-non-surgical-periodontal-treatment-of-ligature-induced-periodontitis-in-dogs
#2
Shinya Sasaki, Katsuhiro Takeda, Manabu Takewaki, Kazuhisa Ouhara, Mikihito Kajiya, Noriyoshi Mizuno, Tsuyoshi Fujita, Hidemi Kurihara
BACKGROUND: Recently, brain-derived neurotrophic factor (BDNF)/high molecular weight hyaluronic acid (HMW-HA) complex with flap surgery has been shown to promote periodontal tissue regeneration. The objective of this study was to evaluate the effects of local subgingival application of BDNF/HMW-HA complex adjunctive to scaling and root planning (SRP) on ligature-induced periodontitis in dogs. MATERIALS AND METHODS: The dogs were divided into four treatment groups: no treatment (control), SRP alone, SRP followed by local application of HMW-HA (SRP+HMW-HA) and SRP followed by local application of BDNF (500 μg/ml)/HMW-HA complex (SRP+BDNF/HMW-HA)...
July 20, 2018: Journal of Periodontology
https://www.readbyqxmd.com/read/29967404/mesenchymal-stem-cells-in-combination-with-hyaluronic-acid-for-articular-cartilage-defects
#3
Lang Li, Xin Duan, Zhaoxin Fan, Long Chen, Fei Xing, Zhao Xu, Qiang Chen, Zhou Xiang
Mesenchymal stem cells (MSCs) and hyaluronic acid (HA) have been found in previous studies to have great potential for medical use. This study aimed to investigate the therapeutic effects of bone marrow mesenchymal stem cells (BMSCs) combined with HA on articular cartilage repair in canines. Twenty-four healthy canines (48 knee-joints), male or female with weight ranging from 5 to 6 kg, were operated on to induce cartilage defect model and divided into 3 groups randomly which received different treatments: BMSCs plus HA (BMSCs-HA), HA alone, and saline...
July 2, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29920804/a-micro-ark-for-cells-highly-open-porous-polyhydroxyalkanoate-microspheres-as-injectable-scaffolds-for-tissue-regeneration
#4
Dai-Xu Wei, Jin-Wei Dao, Guo-Qiang Chen
To avoid large open surgery using scaffold transplants, small-sized cell carriers are employed to repair complexly shaped tissue defects. However, most cell carriers show poor cell adherences and viability. Therefore, polyhydroxyalkanoate (PHA), a natural biopolymer, is used to prepare highly open porous microspheres (OPMs) of 300-360 µm in diameter, combining the advantages of microspheres and scaffolds to serve as injectable carriers harboring proliferating stem cells. In addition to the convenient injection to a defected tissue, and in contrast to poor performances of OPMs made of polylactides (PLA OPMs) and traditional less porous hollow microspheres (PHA HMs), PHA OPMs present suitable surface pores of 10-60 µm and interconnected passages with an average size of 8...
June 19, 2018: Advanced Materials
https://www.readbyqxmd.com/read/29902729/collagen-chitosan-hyaluronic-acid-based-injectable-hydrogels-for-tissue-engineering-applications-design-physicochemical-and-biological-characterization
#5
Adriana Gilarska, Joanna Lewandowska-Łańcucka, Wojciech Horak, Maria Nowakowska
Studies on synthesis, physico-chemical and biological properties of novel biomimetic materials, potentially useful as injectable hydrogels are presented. These materials are in situ prepared chemically crosslinked collagen/chitosan/hyaluronic acid-based hydrogels exhibiting potential for tissue regeneration. Optimization of hydrogels involved testing the effect of various concentration of crosslinking agent (genipin) as well as different ratios of biopolymers used on their properties. The changes in the content of hyaluronic acid and in the genipin concentration used have been shown to be crucial...
June 4, 2018: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/29863957/incorporation-of-rosuvastatin-loaded-chitosan-chondroitin-sulfate-nanoparticles-into-a-thermosensitive-hydrogel-for-bone-tissue-engineering-preparation-characterization-and-cellular-behavior
#6
Mahboubeh Rezazadeh, Maryam Parandeh, Vajihe Akbari, Zahra Ebrahimi, Azade Taheri
Rosuvastatin (RSV) has been shown to have significant impact on the simulation of bone regeneration after local injection. The current study aimed to develop a localized controlled delivery system from RSV by incorporating RSV-loaded chitosan/chondroitin sulfate (CTS/CS) nanoparticles into thermosensitive Pluronic F127/hyaluronic acid (PF127/HA) hydrogel. RSV-loaded CTS/CS nanoparticles were prepared by ionic gelation, and the impact of various formulation variables was assessed using the Box-Behnken design...
July 23, 2018: Pharmaceutical Development and Technology
https://www.readbyqxmd.com/read/29782984/design-and-development-of-novel-hyaluronate-modified-nanoparticles-for-combo-delivery-of-curcumin-and-alendronate-fabrication-characterization-and-cellular-and-molecular-evidences-of-enhanced-bone-regeneration
#7
Jinlei Dong, Lei Tao, Mohammed A S Abourehab, Zahid Hussain
Osteoporosis is a medical condition of fragile bones with an increased susceptibility to fracture. Despite having availability of a wide range of pharmacological agents, prevalence of osteoporosis is continuously escalating. Owing to excellent biomedical achievements of nanomedicines in the last few decades, we aimed combo-delivery of bone anti-resorptive agent, alendronate (ALN), and bone density enhancing drug, curcumin (CUR) in the form of polymeric nanoparticles. To further optimize the therapeutic efficacy, the prepared ALN/CUR nanoparticles (NPs) were decorated with hyaluronic acid (HA) which is a well-documented biomacromolecule having exceptional bone regenerating potential...
September 2018: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/29734010/icariin-conjugated-hyaluronic-acid-collagen-hydrogel-for-osteochondral-interface-restoration
#8
Jirong Yang, Yanbo Liu, Long He, Qiguang Wang, Lan Wang, Tun Yuan, Yumei Xiao, Yujiang Fan, Xingdong Zhang
Over the past decades, numerous tissue-engineered constructs have been investigated for the osteochondral repair. However, it still remains a challenge to regenerate the functionalized calcified layer. In this study, the potential of icariin (Ica) conjugated hyaluronic acid/collagen (Ica-HA/Col) hydrogel to promote the osteochondral interface restoration was investigated. Compared with HA/Col hydrogel, Ica-HA/Col hydrogel simultaneously facilitated chondrogenesis and osteogenesis in vitro. The cells encapsulated in Ica-HA/Col hydrogel tended to aggregate into bigger clusters...
July 1, 2018: Acta Biomaterialia
https://www.readbyqxmd.com/read/29642550/healing-of-osteochondral-defects-implanted-with-biomimetic-scaffolds-of-poly-%C3%AE%C2%B5-caprolactone-hydroxyapatite-and-glycidyl-methacrylate-modified-hyaluronic-acid-in-a-minipig
#9
Yi-Ho Hsieh, Bo-Yuan Shen, Yao-Horng Wang, Bojain Lin, Hung-Maan Lee, Ming-Fa Hsieh
Articular cartilage is a structure lack of vascular distribution. Once the cartilage is injured or diseased, it is unable to regenerate by itself. Surgical treatments do not effectively heal defects in articular cartilage. Tissue engineering is the most potential solution to this problem. In this study, methoxy poly(ethylene glycol)-block-poly(ε-caprolactone) (mPEG-PCL) and hydroxyapatite at a weight ratio of 2:1 were mixed via fused deposition modeling (FDM) layer by layer to form a solid scaffold. The scaffolds were further infiltrated with glycidyl methacrylate hyaluronic acid loading with 10 ng/mL of Transforming Growth Factor-β1 and photo cross-linked on top of the scaffolds...
April 9, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29593958/3d-bioprinted-osteoblast-laden-nanocomposite-hydrogel-constructs-with-induced-microenvironments-promote-cell-viability-differentiation-and-osteogenesis-both-in-vitro-and-in-vivo
#10
Xinyun Zhai, Changshun Ruan, Yufei Ma, Delin Cheng, Mingming Wu, Wenguang Liu, Xiaoli Zhao, Haobo Pan, William Weijia Lu
An osteoblast-laden nanocomposite hydrogel construct, based on polyethylene glycol diacrylate (PEGDA)/laponite XLG nanoclay ([Mg5.34 Li0.66 Si8 O20 (OH)4 ]Na0.66, clay )/hyaluronic acid sodium salt (HA) bio-inks, is developed by a two-channel 3D bioprinting method. The novel biodegradable bio-ink A, comprised of a poly(ethylene glycol) (PEG)-clay nanocomposite crosslinked hydrogel, is used to facilitate 3D-bioprinting and enables the efficient delivery of oxygen and nutrients to growing cells. HA with encapsulated primary rat osteoblasts (ROBs) is applied as bio-ink B with a view to improving cell viability, distribution uniformity, and deposition efficiency...
March 2018: Advanced Science (Weinheim, Baden-Wurttemberg, Germany)
https://www.readbyqxmd.com/read/29561754/integrated-oxidized-hyaluronic-acid-collagen-hydrogel-with-%C3%AE-tcp-using-proanthocyanidins-as-a-crosslinker-for-drug-delivery
#11
Yang Wei, Yu-Han Chang, Chung-Jui Liu, Ren-Jei Chung
The susceptibility of guided bone regeneration (GBR) material to infection by pathogens at wound sites during bone healing has often been overlooked. The objective of this study was the synthesis and characterization of a potential material for antibacterial GBR application. In the current study, the mechanical strength and biocompatibility of a composite restoration material-made of oxidized hyaluronic acid (HA)/type I collagen hydrogel integrated with tricalcium phosphate (β-TCP) using a natural crosslinking agent, oligomeric proanthocyanidins (OPCs)-were evaluated...
March 21, 2018: Pharmaceutics
https://www.readbyqxmd.com/read/29496620/superior-calvarial-bone-regeneration-using-pentenoate-functionalized-hyaluronic-acid-hydrogels-with-devitalized-tendon-particles
#12
Jakob M Townsend, Brian T Andrews, Yi Feng, Jinxi Wang, Randolph J Nudo, Erik Van Kampen, Stevin H Gehrke, Cory J Berkland, Michael S Detamore
Traumatic brain injury (TBI) is a life-threatening condition defined by internal brain herniation. Severe TBI is commonly treated by a two-stage surgical intervention, where decompressive craniectomy is first conducted to remove a large portion of calvarial bone and allow unimpeded brain swelling. In the second surgery, spaced weeks to months after the first, cranioplasty is performed to restore the cranial bone. Hydrogels with paste-like precursor solutions for surgical placement may potentially revolutionize TBI treatment by permitting a single-stage surgical intervention, capable of being implanted with the initial surgery, remaining pliable during brain swelling, and tuned to regenerate calvarial bone after brain swelling has subsided...
April 15, 2018: Acta Biomaterialia
https://www.readbyqxmd.com/read/29438204/effects-of-hyaluronic-acid-and-hydroxyapatite-beta-tricalcium-phosphate-in-combination-on-bone-regeneration-of-a-critical-size-defect-in-an-experimental-model
#13
Nurettin Diker, Serap Gulsever, Taner Koroglu, Eda Yilmaz Akcay, Yener Oguz
Hyaluronic acid (HyA) is an outstanding new product in the field of oral and maxillofacial surgery. The aim of this study was to evaluate the effects of HyA on bone regeneration in critical-size calvarial defects. Twenty-four female Sprague-Dawley rats were used in the present study. In each rat, 4 critical-size defects received different treatments: no treatment (control); HyA; Graft; and HyA + Graft combination. New bone formation, defect closure, inflammation, vascular proliferation, immature bone formation, mature bone formation, and bone marrow existence were investigated based on histological findings...
June 2018: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/29279118/in-situ-controlled-release-of-stromal-cell-derived-factor-1%C3%AE-and-antimir-138-for-on-demand-cranial-bone-regeneration
#14
Guangsheng Wu, Chao Feng, Jingjing Quan, Zhongshan Wang, Wei Wei, Shengqi Zang, Shuai Kang, Guangyan Hui, Xiguang Chen, Qintao Wang
Bone regeneration involves complex physiological processes, which is generally regulated and controlled by multiple bioactive molecules. In situ controlled release of combined bioactive factors in a spatiotemporal sequence for adapting the demand of bone regeneration is a desired strategy. In this study, nanoparticle/hydrogel composite system was constructed by incorporating stromal cell derived factor-1α (SDF-1α) and chitosan/tripolyphosphate/hyaluronic acid/antimiRNA-138 nanoparticles (CTH/antimiR-138 NPs) in chitosan/β-sodium glycerol phosphate (CS/GP) hydrogel for rat critical-size calvarial bone regeneration...
February 15, 2018: Carbohydrate Polymers
https://www.readbyqxmd.com/read/29103499/multivalent-ion-based-in-situ-gelling-polysaccharide-hydrogel-as-an-injectable-bone-graft
#15
Sun Woo Jung, June-Ho Byun, Se Heang Oh, Tae Ho Kim, Ji-Sung Park, Gyu-Jin Rho, Jin Ho Lee
We prepared in situ gelling alginate (ALG)/hyaluronic acid (HA) hydrogels with a controllable gelation rate using CaSO4 as a crosslinking agent and Na2 HPO4 as a crosslinking retardation agent. The ALG/HA hydrogels provided sustained release of bone morphogenetic protein-2 (BMP-2) immobilized in the hydrogels over 5 weeks. The BMP-2-immobilized ALG/HA hydrogels with different ALG/HA ratios were investigated for their in vitro osteogenic differentiation behavior of human bone marrow stem cells (hBMSCs) and in vivo bone regeneration behavior using an animal model (mandibular defect model of miniature pigs)...
January 15, 2018: Carbohydrate Polymers
https://www.readbyqxmd.com/read/29103324/collagen-based-porous-scaffolds-containing-plga-microspheres-for-controlled-kartogenin-release-in-cartilage-tissue-engineering
#16
Xiaomin Sun, Jianhua Wang, Yingying Wang, Qiqing Zhang
A scaffold composed of different collagen (COL)/chitosan (CS)/hyaluronic acid sodium (HAS) salt ratios was evaluated by determining porosity, swelling, loss rate in hot water, mechanical property, and cell proliferation to obtain optimum conditions for manufacturing porous scaffolds. Results showed that the optimal ratio of COL/CS/HAS salt porous scaffold was 1:1:0.1. High swelling and loss rate of scaffolds/microspheres (MPs) could lead to high diffusion rate of MPs from the scaffolds, causing an increase in the kartogenin (KGN) release...
November 6, 2017: Artificial Cells, Nanomedicine, and Biotechnology
https://www.readbyqxmd.com/read/29067102/growth-differentiation-factor-5-promotes-in-vitro-vivo-periodontal-specific-differentiation-of-induced-pluripotent-stem-cell-derived-mesenchymal-stem-cells
#17
Xiaohui Yin, Peng Li, Yang Li, Yu Cai, Jinhua Wen, Qingxian Luan
Mesenchymal stem cells (MSCs) derived from induced pluripotent stem cells (iPSCs) represent a promising alternative source of MSCs for effective periodontal regeneration. Scientific evidence has demonstrated that growth/differentiation factor-5 (GDF-5) supports regeneration of periodontal tissues and has a key role in MSC differentiation. The present study investigated the effects of recombinant human GDF-5 (rhGDF-5) on periodontal specific differentiation of iPSC-derived MSCs (iPSC-MSCs) and bone marrow mesenchymal stem cells (BMSCs)...
November 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28974254/synergistic-effects-on-mesenchymal-stem-cell-based-cartilage-regeneration-by-chondrogenic-preconditioning-and-mechanical-stimulation
#18
Sien Lin, Wayne Yuk Wai Lee, Qian Feng, Liangliang Xu, Bin Wang, Gene Chi Wai Man, Yuanfeng Chen, Xiaohua Jiang, Liming Bian, Liao Cui, Bo Wei, Gang Li
BACKGROUND: Mesenchymal stem cells (MSCs) hold promising translational potential in cartilage regeneration. However, the efficacy of MSC-based tissue engineering is not satisfactory in the treatment of cartilage defect because of the inevitable cellular functional changes during ex vivo cell expansion. How to maintain the chondrogenic capacity of MSCs to improve their therapeutic outcomes remains an outstanding question. METHODS: Bone marrow-derived MSCs were firstly primed in chondrogenic induction medium which was then replaced with normal growth medium to attain the manipulated cells (M-MSCs)...
October 3, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28963020/nanocomposite-hydrogels-stabilized-by-self-assembled-multivalent-bisphosphonate-magnesium-nanoparticles-mediate-sustained-release-of-magnesium-ion-and-promote-in-situ-bone-regeneration
#19
Kunyu Zhang, Sien Lin, Qian Feng, Chaoqun Dong, Yanhua Yang, Gang Li, Liming Bian
Hydrogels are appealing biomaterials for applications in regenerative medicine due to their tunable physical and bioactive properties. Meanwhile, therapeutic metal ions, such as magnesium ion (Mg2+ ), not only regulate the cellular behaviors but also stimulate local bone formation and healing. However, the effective delivery and tailored release of Mg2+ remains a challenge, with few reports on hydrogels being used for Mg2+ delivery. Bisphosphonate exhibits a variety of specific bioactivities and excellent binding affinity to multivalent cations such as Mg2+ ...
December 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/28962196/smad7-overexpressing-rat-bmscs-inhibit-the-fibrosis-of-hepatic-stellate-cells-by-regulating-the-tgf-%C3%AE-1-smad-signaling-pathway
#20
Shi-Pin Wu, Zhi Yang, Fu-Rong Li, Xiao-Di Liu, Hong-Tao Chen, Dong-Na Su
Mesenchymal stem cells (MSCs) are able to differentiate into hepatocytes, promote the regeneration of hepatic cells and inhibit the progression of hepatic fibrosis. Transforming growth factor (TGF)-β1 is one of the key factors in the development of liver fibrosis, which also promotes extracellular matrix (ECM) formation. Drosophila mothers against decapentaplegic 7 (Smad7) is an essential negative regulator in the TGF-β1/Smad signaling pathway. In the present study, bone mesenchymal stem cells (BMSCs) were isolated from rat bone marrow and transfected with lentiviral vectors carrying the Smad7 gene...
September 2017: Experimental and Therapeutic Medicine
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