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Wound Repair

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https://www.readbyqxmd.com/read/29141241/mmp-9-and-its-regulators-timp-1-and-emmprin-in-patients-with-acute-st-elevation-myocardial-infarction-a-nordistemi-substudy
#1
Trine Baur Opstad, Ingebjørg Seljeflot, Ellen Bøhmer, Harald Arnesen, Sigrun Halvorsen
OBJECTIVES: The extracellular matrix is involved in wound repair after acute myocardial infarction (AMI). We investigated whether matrix metalloproteinase (MMP)-9, tissue inhibitor of metalloproteinases (TIMP)-1, and the MMP inducer (EMMPRIN) are associated with infarct size, left ventricular function, and clinical outcome in ST-elevation-MI (STEMI). METHODS: In 243 STEMI patients, circulating EMMPRIN, MMP-9, and TIMP-1 were analyzed 3 days and 3 months post-AMI...
November 16, 2017: Cardiology
https://www.readbyqxmd.com/read/29140864/bupivacaine-as-an-adjunct-to-lidocaine-in-mohs-micrographic-surgery-a-prospective-randomized-controlled-trial
#2
Peggy Chen, Harvey Smith, Carl Vinciullo
BACKGROUND: In Mohs micrographic surgery (MMS), the standard local anesthetic agent used is lignocaine with adrenaline. However, MMS can be prolonged; thus reinjections of local anesthetics are often required. OBJECTIVE: Is 0.5% bupivacaine with 1:200,000 epinephrine a useful adjunctive treatment when compared with the use of 1% lidocaine with 1:100,000 epinephrine in MMS for the nose? METHODS: Participants undergoing MMS received 2.5 mL of 1% lidocaine with 1:100,000 epinephrine before commencement of Stage 1...
November 14, 2017: Dermatologic Surgery: Official Publication for American Society for Dermatologic Surgery [et Al.]
https://www.readbyqxmd.com/read/29140861/sealing-of-corneal-lacerations-using-photoactivated-rose-bengal-dye-and-amniotic-membrane
#3
Timothy A Soeken, Hong Zhu, Sheri DeMartelaere, Brett W Davies, Mirang Kim, Heuy-Ching Wang, James Aden, Rose Grimm, Clemens Alt, Irene E Kochevar, Anthony J Johnson
PURPOSE: Watertight closure of perforating corneoscleral lacerations is necessary to prevent epithelial ingrowth, infection, and potential loss of the eye. Complex lacerations can be difficult to treat, and repair with sutures alone is often inadequate. In this study, we evaluated a potentially sutureless technology for sealing complex corneal and scleral lacerations that bonds the amniotic membrane (AM) to the wound using only green light and rose bengal dye. METHODS: The AM was impregnated with rose bengal and then sealed over lacerations using green light to bond the AM to the deepithelialized corneal surface...
November 14, 2017: Cornea
https://www.readbyqxmd.com/read/29138380/-three-patients-with-gastric-cancer-who-underwent-surgery-during-ramucirumab-treatment
#4
Hayato Omori, Sadayuki Kawai, Rie Makuuchi, Tomoyuki Irino, Masanori Tokunaga, Yutaka Tanizawa, Etsuro Bando, Taiichi Kawamura, Hirofumi Yasui, Masanori Terashima
According to the REGARD and RAINBOW trials, ramucirumab(RAM)was introduced as second-line therapy for advanced or metastatic gastric cancer. RAM may impair wound healing due to the inhibition of angiogenesis; details on the postoperative course of patients who underwent surgery during RAM treatment remain unclear. Between 2011 and 2016, 93 patients with incurable gastric cancer were treated with RAM in our institute. Among them, 3 patients underwent surgery after RAM treatment. Case 1: A 74-year-old man with liver metastasis from gastric cancer was treated with a paclitaxel(PTX)plus RAM regimen...
November 2017: Gan to Kagaku Ryoho. Cancer & Chemotherapy
https://www.readbyqxmd.com/read/29138006/distorted-leukocyte-migration-angiogenesis-wound-repair-and-metastasis-in-tspan8-and-tspan8-cd151-double-knockout-mice-indicate-complementary-activities-of-tspan8-and-cd51
#5
Kun Zhao, Ulrike Erb, Thilo Hackert, Margot Zöller, Shijing Yue
No abstract text is available yet for this article.
November 11, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/29133970/laser-and-platelet-rich-plasma-to-treat-medication-related-osteonecrosis-of-the-jaws-mronj-a-case-report
#6
Carlo Fornaini, Luigi Cella, Aldo Oppici, Anna Parlatore, Fabio Clini, Matteo Fontana, Giuseppe Lagori, Elisabetta Merigo
Aims: The appropriate management of Medication-Related OsteoNecrosis of the Jaw (MRONJ) is still a challenge for dentists and oral surgeons and in these last years high-technology instruments have been proposed at the different steps of interventions, also combined with promoters of tissue repair.The aim of this report is to show the advantages of a combined approach (laser and PRP) for the treatment of MRONJ. Methods: It is described the case of a patient positive for MRONJ observed at the Odontostomatology and Maxillo-Facial Surgery Unit of the Hospital of Piacenza where surgical approach was performed by using different devices: Er:YAG laser (2940 nm) to remove and vaporize necrotic hard tissue until bleeding bone; Platelet-Rich Plasma (PRP) to stimulate hard and soft tissue healing; diode laser (808 nm) to biostimulate the surgical site...
September 30, 2017: Laser Therapy
https://www.readbyqxmd.com/read/29133960/divergent-roles-for-clusterin-in-lung-injury-and-repair
#7
David M Habiel, Ana Camelo, Milena Espindola, Timothy Burwell, Richard Hanna, Elena Miranda, Alan Carruthers, Matthew Bell, Ana Lucia Coelho, Hao Liu, Fernanda Pilataxi, Lori Clarke, Ethan Grant, Arthur Lewis, Bethany Moore, Darryl A Knight, Cory M Hogaboam, Lynne A Murray
Lung fibrosis is an unabated wound healing response characterized by the loss and aberrant function of lung epithelial cells. Herein, we report that extracellular Clusterin promoted epithelial cell apoptosis whereas intracellular Clusterin maintained epithelium viability during lung repair. Unlike normal and COPD lungs, IPF lungs were characterized by significantly increased extracellular Clusterin whereas the inverse was evident for intracellular Clusterin. In vitro and in vivo studies demonstrated that extracellular Clusterin promoted epithelial cell apoptosis while intercellular Clusterin modulated the expression of the DNA repair proteins, MSH2, MSH6, OGG1 and BRCA1...
November 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29132177/an-insight-on-silk-protein-sericin-from-processing-to-biomedical-application
#8
Farogh Ahsan, Tarique Mahmood Ansari, Shazia Usmani, Paramdeep Bagga
Silks are naturally occurring polymers that have been used clinically as sutures for hundreds of years. It's so for obtained from insects or worms, silk consists of a filament core protein, termed fibroin, and a glue-like coating made up of sericin proteins. An important component of silk has an extended history of being discarded as a waste in the course of silk processing. The cost of sericin for tissue engineering is underestimated and its capability in using as regenerative remedy has simply began to be explored...
November 13, 2017: Drug Research
https://www.readbyqxmd.com/read/29131990/non-thermal-near-infrared-exposure-photobiomodulates-cellular-responses-to-ionizing-radiation-in-human-full-thickness-skin-models
#9
Anke König, Nadja Zöller, Stefan Kippenberger, August Bernd, Roland Kaufmann, Paul G Layer, Anja Heselich
Ionizing and near-infrared radiation are both part of the therapeutic spectrum in cancer treatment. During cancer therapy ionizing radiation is typically used for non-invasive reduction of malignant tissue, while near-infrared photobiomodulation is utilized in palliative medical approaches, e.g. for pain reduction or impairment of wound healing. Furthermore, near-infrared is part of the solar wavelength spectrum. A combined exposure of these two irradiation qualities - either intentionally during medical treatment or unintentionally due to solar exposure - is therefore presumable for cancer patients...
November 10, 2017: Journal of Photochemistry and Photobiology. B, Biology
https://www.readbyqxmd.com/read/29131915/visual-and-refractive-outcomes-of-children-after-early-secondary-cataract-extraction-following-wound-repair-for-penetrating-ocular-trauma
#10
Kamaldeep Arora, Priyanka Arora, Suma Ganesh, Shriya Gupta, Rashmi Ranjan Das
PURPOSE: To evaluate the visual and refractive outcomes in children 8 years of age or younger with corneal laceration and cataract following penetrating ocular injuries who underwent primary corneal tear repair followed within 1 to 8 weeks by early secondary cataract extraction. METHODS: This retrospective, non-comparative case series reviewed the admission and operative charts of children 8 years of age or younger (range: 3 to 8 years) who underwent corneal wound repair as the primary surgical procedure followed within 1 to 8 weeks by cataract extraction with intraocular lens implantation, with a minimum follow-up period of 6 months...
November 11, 2017: Journal of Pediatric Ophthalmology and Strabismus
https://www.readbyqxmd.com/read/29131127/pleiotropic-effects-of-white-willow-bark-and-1-2-decanediol-on-human-adult-keratinocytes
#11
Eleonora Bassino, Franco Gasparri, Luca Munaron
BACKGROUND: Acne vulgaris is a common skin defect, usually occurring during adolescence, but often it can persist in adults leaving permanent face scarring. Acne is usually treated with topical drugs, oral antibiotics, retinoids, and hormonal therapies, but medicinal plants are increasingly employed. OBJECTIVE: To investigate the protective role of white willow bark (WWB) and 1,2-decanediol (DD) on the damage caused by lipopolysaccharides (LPS) on human adult keratinocytes (HaCaT)...
November 8, 2017: Skin Pharmacology and Physiology
https://www.readbyqxmd.com/read/29129946/application-of-materials-as-medical-devices-with-localized-drug-delivery-capabilities-for-enhanced-wound-repair
#12
Esther J Lee, Beom Kang Huh, Se Na Kim, Jae Yeon Lee, Chun Gwon Park, Antonios G Mikos, Young Bin Choy
The plentiful assortment of natural and synthetic materials can be leveraged to accommodate diverse wound types, as well as different stages of the healing process. An ideal material is envisioned to promote tissue repair with minimal inconvenience for patients. Traditional materials employed in the clinical setting often invoke secondary complications, such as infection, pain, foreign body reaction, and chronic inflammation. This review surveys the repertoire of surgical sutures, wound dressings, surgical glues, orthopedic fixation devices and bone fillers with drug eluting capabilities...
August 2017: Progress in Materials Science
https://www.readbyqxmd.com/read/29128530/cell-instructive-pectin-hydrogels-crosslinked-via-thiol-norbornene-photo-click-chemistry-for-skin-tissue-engineering
#13
Rúben F Pereira, Cristina C Barrias, Paulo J Bártolo, Pedro L Granja
Cell-instructive hydrogels are attractive for skin repair and regeneration, serving as interactive matrices to promote cell adhesion, cell-driven remodeling and de novo deposition of extracellular matrix components. This paper describes the synthesis and photocrosslinking of cell-instructive pectin hydrogels using cell-degradable peptide crosslinkers and integrin-specific adhesive ligands. Protease-degradable hydrogels obtained by photoinitiated thiol-norbornene click chemistry are rapidly formed in the presence of dermal fibroblasts, exhibit tunable properties and are capable of modulating the behavior of embedded cells, including the cell spreading, hydrogel contraction and secretion of matrix metalloproteases...
November 8, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/29127068/mono-vs-multilayer-fibronectin-coatings-on-polar-hydrophobic-ionic-polyurethanes-altering-surface-interactions-with-human-monocytes
#14
Audrey Gossart, Kyle G Battiston, Adeline Gand, Emmanuel Pauthe, J Paul Santerre
Monocyte interactions with materials that are biofunctionalized with fibronectin (Fn) are of interest because of the documented literature which associates this protein with white blood cell function at implant sites. A degradable-polar hydrophobic ionic polyurethane (D-PHI), has been reported to promote an anti-inflammatory response from human monocytes. The aim of the current work was to study the influence of intrinsic D-PHI material chemistry on Fn adsorption (mono and multi-layer structures), and to investigate the influence of such chemistry on the structural state of the Fn, as well as the latter's influence on the activity of human monocytes on the protein coated substrates...
November 7, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/29126993/trophic-effect-of-pacap-on-human-corneal-endothelium
#15
Grazia Maugeri, Antonio Longo, Grazia Agata D'Amico, Daniela Maria Rasà, Michele Reibaldi, Andrea Russo, Vincenza Bonfiglio, Teresio Avitabile, Velia D'Agata
Cornea's posterior surface includes endothelium maintaining stromal hydration and clarity. Due to their limited proliferative capability, the loss of endothelial cells can outcome in permanent opacity. In the last years, different studies have demonstrated the protective effect of pituitary adenylate cyclase-activating polypeptide (PACAP) in different ocular diseases. However, its role on human corneal endothelial cells (HCECs) has not been investigated, yet. Here, we have developed a culture protocol to differentiate HCECs from donor's cornea...
November 7, 2017: Peptides
https://www.readbyqxmd.com/read/29124763/neuronal-expression-of-brain-derived-neurotrophicfactor-in-the-injured-telencephalon-of-adult-zebrafish
#16
Pietro Cacialli, Livia D'Angelo, Olivier Kah, Pascal Coumailleau, Marie-Madeleine Gueguen, Elisabeth Pellegrini, Carla Lucini
The reparative ability of the central nervous system varies widely in the animal kingdom. In the mammalian brain, the regenerative mechanisms are very limited and newly formed neurons do not survive longer, probably due to a non-suitable local environment. On the opposite, fish can repair the brain after injury, with fast and complete recovery of damaged area. The brain of zebrafish, a teleost fish widely used as vertebrate model, also possesses high regenerative properties after injury. Taking advantage of this relevant model, the aim of the present study was to investigate the role of Brain-derived neurotrophic factor (BDNF) in the regenerative ability of adult brain, after stab wound telencephalic injury...
November 10, 2017: Journal of Comparative Neurology
https://www.readbyqxmd.com/read/29124565/glycosaminoglycans-from-fish-swim-bladder-isolation-structural-characterization-and-bioactive-potential
#17
Yongxi Pan, Peipei Wang, Fuming Zhang, Yanlei Yu, Xing Zhang, Lei Lin, Robert J Linhardt
The swim bladder of fish is an internal gas-filled organ that allows fish to control their buoyancy and swimming depth. Fish maws (the dried swim bladders of fish) have been used over many centuries as traditional medicines, tonics and a luxurious gourmet food in China and Southeast Asia. Little is known about the structural information of polysaccharides comprising this important functional material of fish tissue. In the present study, the total glycosaminoglycan (GAG) from fish maw was characterized. Two GAGs were identified, chondroitin sulfate (CS, having a molecular weight of 18-40 kDa) and heparan sulfate (HS), corresponding to 95% and 5% of the total GAG, respectively...
November 10, 2017: Glycoconjugate Journal
https://www.readbyqxmd.com/read/29122847/human-airway-trypsin-like-protease-exerts-potent-antifibrotic-action-in-pulmonary-fibrosis
#18
Awen Menou, Pauline Flajolet, JanWillem Duitman, Aurélien Justet, Sophie Moog, Madeleine Jaillet, Laure Tabèze, Brigitte Solhonne, Marc Garnier, Hervé Mal, Pierre Mordant, Yves Castier, Aurélie Cazes, Jean-Michel Sallenave, Arnaud A Mailleux, Bruno Crestani
Idiopathic pulmonary fibrosis (IPF) is characterized by the deposition of excessive extracellular matrix and the destruction of lung parenchyma, resulting from an aberrant wound-healing response. Although IPF is often associated with an imbalance in protease activity, the mechanisms underlying the sustained repair mechanisms are not fully understood. Here, we addressed the role of the recently identified, membrane-anchored serine protease human airway trypsin-like protease (HAT). In the present study, we show that both HAT expression and activity were up-regulated in human IPF specimens...
November 9, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/29122528/safety-of-open-ventral-hernia-repair-in-high-risk-patients-with-metabolic-syndrome-a-multi-institutional-analysis-of-39-118-cases
#19
Dmitry Zavlin, Kevin T Jubbal, Jeffrey L Van Eps, Barbara L Bass, Warren A Ellsworth, Anthony Echo, Jeffrey D Friedman, Brian J Dunkin
BACKGROUND: Metabolic syndrome (MetS) entails the simultaneous presence of a constellation of dangerous risk factors including obesity, diabetes, hypertension, and dyslipidemia. The prevalence of MetS in Western society continues to rise and implies an elevated risk for surgical complications and/or poor surgical outcomes within the affected population. OBJECTIVE: To assess the risks and outcomes of multi-morbid patients with MetS undergoing open ventral hernia repair...
September 22, 2017: Surgery for Obesity and related Diseases: Official Journal of the American Society for Bariatric Surgery
https://www.readbyqxmd.com/read/29121251/protective-effect-of-fgf-2-and-low-molecular-weight-heparin-protamine-nanoparticles-on-radiation-induced-healing-impaired-wound-repair-in-rats
#20
Jun Kinoda, Masayuki Ishihara, Shingo Nakamura, Masanori Fujita, Koichi Fukuda, Yoko Sato, Hidetaka Yokoe
We examined the effectiveness of localized administration of fibroblast growth factor-2 containing low-molecular-weight heparin/protamine nanoparticles (FGF-2&LMWH/P NPs) on apoptosis in vivo and on healing of radiation-induced skin injury in a rat model. FGF-2 binds onto LMWH/P NPs, which can significantly enhance and stabilize FGF-2 as a local carrier. X-irradiation at a dose of 25 Gy was administered to the lower part of the back (using a lead sheet with two holes) 1 h before the administration of FGF-2&LMWH/P NPs...
November 7, 2017: Journal of Radiation Research
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