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https://www.readbyqxmd.com/read/28748415/role-of-plasma-derived-fibrin-on-keratinocyte-and-fibroblast-wound-healing
#1
Jia Xian Law, Shiplu Roy Chowdhury, Bin Saim Aminuddin, Binti Haji Idrus Ruszymah
Fibrin has excellent biocompatibility and biological properties to support tissue regeneration and promote wound healing. However, the role of diluted fibrin in wound healing has yet to be elucidated as it is commonly used in high concentration. This study was aimed to examine the effects of diluted plasma-derived fibrin (PDF) on keratinocyte and fibroblast wound healing in term of cell proliferation, migration, extracellular matrix (ECM) production and soluble factor secretion. Two PDF concentrations, 10 and 20% (v/v) were tested on keratinocytes and fibroblasts indirectly co-cultured in the transwell system...
July 26, 2017: Cell and Tissue Banking
https://www.readbyqxmd.com/read/28743654/endografting-under-assistance-of-trans-apical-body-floss-through-and-through-wiring-technique-and-rapid-ventricular-pacing-for-an-ascending-aortic-tuberculous-pseudoaneurysm
#2
Wan-Chi Chiang, Emily Ling-Lin Pai, Po-Lin Chen, Chun-Che Shih, I-Ming Chen
PURPOSE: To demonstrate the successful treatment of an ascending aortic tuberculous pseudoaneurysm using endografts through the transapical body floss wiring technique with rapid ventricular pacing support. CASE REPORT: A 77-year-old woman with a nonhealing anteromedial chest wound presented with sudden hypotension and hemoptysis. A computed tomography (CT) scan revealed a 9-cm-diameter pseudoaneurysm of the ascending aorta with sternal erosion near the wound. Conventional open repair was not preferred because of possible contamination of the interposition graft and difficult sternum closure...
July 22, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28740662/treatment-for-sternoclavicular-joint-infections-a-multi-institutional-study
#3
Allen Murga, Hannah Copeland, Rachel Hargrove, Jason M Wallen, Salman Zaheer
BACKGROUND: Sternoclavicular joint (SCJ) infections are rare and difficult to manage. Surgery is necessary for treatment. METHODS: A retrospective chart review of the university hospital and Veterans Administration (VA) hospitals of all patients treated for SCJ infections since 2001 was conducted. Fifteen [15] patients were identified and evaluated for the types of infections, risk factors, treatments and survival. RESULTS: All 15 patients were symptomatic including: pain [13], erythema [9], purulent drainage [3], fever greater than 38...
June 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28738959/-study-on-the-effect-of-immunosuppressive-agent-fk506-on-growth-and-migration-of-lung-cancer-cell
#4
Yongwen Li, Hongbing Zhang, Ying Li, Chenlong Zhao, Weiting Li, Hongyu Liu, Jianping Wen, Jun Chen
BACKGROUND: FK506, also named tacrolimus, a new macrolide immunosuppressive agent, has been shown to possess anti-proliferation activities in some cancer cells. The aim of this study was to investigate the effect of FK506 on the cell proliferation and migration of lung cancer cell lines and its mechanism. METHODS: A549 and H1299 cell lines were cultured in vitro. The effect of FK506 on cell viability and DNA synthesis ability of A549 and H1299 were measured by CCK-8 assay and EDU-labeling assay, respectively...
July 20, 2017: Zhongguo Fei Ai za Zhi, Chinese Journal of Lung Cancer
https://www.readbyqxmd.com/read/28736974/topical-sevoflurane-for-chronic-venous-ulcers-infected-by-multi-drug-resistant-organisms
#5
Adrián Imbernón-Moya, Francisco Javier Ortiz-de Frutos, Mónica Sanjuan-Alvarez, Isabel Portero-Sanchez, Raúl Merinero-Palomares, Victoria Alcazar
Several anaesthetic drugs have demonstrated antibacterial properties in vitro. Anaesthetics can primarily affect the cell wall of both susceptible and multi-resistant bacteria. They may also have a synergistic effect with conventional antibiotics through an unknown mechanism. We present three cases of a chronic venous ulcer infected by multi-resistant bacteria refractory to conventional systemic antibiotics, including Pseudomonas aeruginosa and methicillin-resistant Staphylococcus aureus (MRSA). Treatment with topical sevoflurane was performed for 1 month without systemic antibiotics...
July 23, 2017: International Wound Journal
https://www.readbyqxmd.com/read/28736162/-skin-engineering-for-severe-burns
#6
J-J Lataillade, B Magne, E Bey, T Leclerc, M Trouillas
Severe burned patients need definitive and efficient wound coverage. Outcome of massive burns has been improved by using cultured epithelial autografts (CEA). Despite fragility, percentages of success take, cost of treatment and long-term tendency to contracture, this surgical technique has been developed in few burn centres. First improvements were to combine CEA and dermis-like substitute. Cultured skin substitutes provide earlier skin closure and satisfying functional result. These methods have been used successfully in massive burns...
July 20, 2017: Transfusion Clinique et Biologique: Journal de la Société Française de Transfusion Sanguine
https://www.readbyqxmd.com/read/28736122/treatment-of-tibial-nonunion-with-posterolateral-bone-grafting
#7
Michael J Foster, Robert V O'Toole, Theodore T Manson
OBJECTIVES: Posterolateral bone grafting to treat nonunions of the distal two-thirds of the tibia avoids the often traumatized and more tenuous anterior soft-tissue envelope. Few modern reports of its effectiveness are available. We assessed whether posterolateral bone grafting leads to high union and low complication rates. METHODS: We conducted a retrospective review at a Level I trauma center. Our study group was 59 patients with distal two-thirds tibial fractures treated with posterolateral bone grafting...
May 3, 2017: Injury
https://www.readbyqxmd.com/read/28734227/continuous-delivery-of-neutralizing-antibodies-elevate-ccl2-levels-in-mice-bearing-mcf10ca1d-breast-tumor-xenografts
#8
Min Yao, Curtis Smart, Qingting Hu, Nikki Cheng
Chemokines are small soluble molecules that play critical roles in wound healing, infection, and cancer progression. In particular, overexpression of the C-C motif chemokine ligand 2 (CCL2) in multiple cancer types correlates with poor patient prognosis. Animal studies have shown that CCL2 signals to macrophages and breast cancer cells to promote tumor growth, invasion, and metastasis, indicating that CCL2 is a promising therapeutic target. However, the effectiveness of human-specific neutralizing antibodies has not been fully evaluated...
July 19, 2017: Translational Oncology
https://www.readbyqxmd.com/read/28730782/human-glioma-cells-conditioned-medium-promotes-proliferation-and-migration-of-human-bone-marrow-mesenchymal-stromal-cells-in-vitro
#9
Rusen Zhu, Xinggui Chen, Jinghong Li, Liubo Lan
PURPOSE: To investigate changes in cell proliferation and migration of human bone marrow-derived mesenchymal stromal cells (hMSCs) in glioma environment, in order to assess the tumorigenic risk of hMSCs in the clinical application to treat human gliomas. METHODS: hMSCs were obtained from normal adult persons and identified by their morphological characteristics and test of their stemness. The U251 glioma cell-conditioned medium (U251-CM) was obtained to simulate the human glioma environment in vitro...
May 2017: Journal of B.U.ON.: Official Journal of the Balkan Union of Oncology
https://www.readbyqxmd.com/read/28727229/volatile-organic-compound-detection-as-a-potential-means-of-diagnosing-cutaneous-wound-infections
#10
Mohammed Ashrafi, Matt Bates, Mohamed Baguneid, Teresa Alonso-Rasgado, Riina Rautemaa-Richardson, Ardeshir Bayat
Chronic cutaneous wound infections and surgical site infections (SSIs) present a huge burden on the healthcare system and can lead to increased morbidity and mortality. Current diagnostic methods of identifying and confirming infection involve culture-based and molecular methods. Both techniques are time consuming and delays commonly lead to un-targeted empirical treatment. An ideal diagnostic method would be non-invasive and highly sensitive and detect pathogenic organisms with a high degree of accuracy in order to allow targeted treatment...
July 20, 2017: Wound Repair and Regeneration
https://www.readbyqxmd.com/read/28725564/post-partum-streptococcal-toxic-shock-syndrome-associated-with-necrotizing-fasciitis
#11
Wei Chuan Chua, Mohd Zulfakar Mazlan, Saedah Ali, Sanihah Che Omar, Wan Mohd Nazaruddin Wan Hassan, S Praveena Seevaunnantum, Rhendra Hardy Mohd Zaini, Mohd Hasyizan Hassan, Alwi Muhd Besari, Zaidah Abd Rahman, Zeti Norfidiyati Salmuna Ayub, Sabrina Abd Ghani, Normalinda Yaacob, Wan Rosilawati Wan Rosli
We report a fatal case of post-partum streptococcal toxic shock syndrome in a patient who was previously healthy and had presented to the emergency department with an extensive blistering ecchymotic lesions over her right buttock and thigh associated with severe pain. The pregnancy had been uncomplicated, and the mode of delivery had been spontaneous vaginal delivery with an episiotomy. She was found to have septicemic shock requiring high inotropic support. Subsequently, she was treated for necrotizing fasciitis, complicated by septicemic shock and multiple organ failures...
2017: IDCases
https://www.readbyqxmd.com/read/28725488/generation-and-analysis-of-spheroids-from-human-primary-skin-myofibroblasts-an-experimental-system-to-study-myofibroblasts-deactivation
#12
Giuseppina Granato, Maria R Ruocco, Antonino Iaccarino, Stefania Masone, Gaetano Calì, Angelica Avagliano, Valentina Russo, Claudio Bellevicine, Gaetano Di Spigna, Giuseppe Fiume, Stefania Montagnani, Alessandro Arcucci
Myofibroblasts are activated fibroblasts involved in tissue repair and cancer. They are characterized by de novo expression of α-smooth muscle actin (α-SMA), immunoregulatory phenotype and paracrine interaction with normal and tumorigenic cells leading to cell proliferation. At the end of wound-healing myofibroblasts undergo apoptotic cell death, whereas in vitro-activated fibroblasts are also subjected to a programmed necrosis-like cell death, termed nemosis, associated with cyclooxygenase-2 (COX-2) expression induction and inflammatory response...
2017: Cell Death Discovery
https://www.readbyqxmd.com/read/28724932/simultaneous-identification-of-ten-bacterial-pathogens-using-the-multiplex-ligation-reaction-based-on-the-probe-melting-curve-analysis
#13
Yixiang Jiang, Lianhua He, Pingfang Wu, Xiaolu Shi, Min Jiang, Yinghui Li, Yiman Lin, Yaqun Qiu, Fang Bai, Yiqun Liao, Qingge Li, RenLi Zhang, Qinghua Hu
Pathogenic Vibrio spp., Aeromonas spp. and Plesiomonas shigelloides are associated with human gastroenteritis and wound infections, as well as fish diseases. The comprehensive and accurate identification of these pathogens is crucial for the current public health. The present study describes the development of a multiplex assay for the simultaneous identification of ten bacterial pathogens in a single reaction by using a multiplex ligation reaction based on probe melting curve analysis (MLMA). The specificity for target genes was 100%, as assessed with a panel of 67 bacterial pathogens, which indicated no cross-reactions...
July 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28722595/multidrug-resistant-microorganisms-colonizing-lower-extremity-wounds-in-patients-in-a-tertiary-care-hospital-lima-peru
#14
Rafael Mendo-Lopez, Luis Jasso, Ximena Guevara, Aurora Lizeth Astocondor, Saul Alejos, Ana C Bardossy, Tyler Prentiss, Marcus J Zervos, Jan Jacobs, Coralith García
Multidrug-resistant organism (MDRO) infections cause high morbidity and mortality, and high costs to patients and hospitals. The study aims were to determine the frequency of MDRO colonization and associated factors in patients with lower-extremity wounds with colonization. A cross-sectional study was designed during November 2015 to July 2016 in a tertiary care hospital in Lima, Peru. A wound swab was obtained for culture and susceptibility testing. MDRO colonization was defined if the culture grew with methicillin-resistant Staphylococcus aureus, vancomycin-resistant enterococci, and/or extended spectrum beta-lactamase (ESBL) microorganisms...
June 19, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28718238/bacteriology-of-diabetic-foot-in-tertiary-care-hospital-frequency-antibiotic-susceptibility-and-risk-factors
#15
Syeda Sadia Amjad, Jamal Zafar, Nadia Shams
BACKGROUND: Diabetic foot being one of the frequent and disabling complications of diabetes. In view of widespread regional variation in causative organisms and antimicrobial susceptibility, the current study aimed to determine frequency of causative organisms, their antimicrobial susceptibility and associated risk factors. METHODS: This descriptive cross-sectional study was conducted in 6 months' duration at dept. of Medicine; PIMS Hospital Islamabad. Type 2 Diabetes mellitus patients with diabetic foot ulcer were enrolled after informed consent...
April 2017: Journal of Ayub Medical College, Abbottabad: JAMC
https://www.readbyqxmd.com/read/28715613/isolation-and-characterization-of-canine-placenta-derived-mesenchymal-stromal-cells-for-the-treatment-of-neurological-disorders-in-dogs
#16
Connor Long, Lee Lankford, Priyadarsini Kumar, Robert Grahn, Dori L Borjesson, Diana Farmer, Aijun Wang
Spinal cord injury (SCI) is a devastating disorder that affects humans and dogs. The prognosis of SCI depends on the severity of the injury and can include varying levels of motor and sensory deficits including devastating paraplegia and quadriplegia. Placental mesenchymal stromal cells (PMSCs) have been shown to improve wound healing and possess neuroprotective and immunomodulatory capabilities, but have not yet been clinically tested for the treatment of SCI. This study established a protocol to isolate fetal PMSCs from canine placentas and characterized their paracrine secretion profile and ability to stimulate neurons in vitro to assess their potential as a treatment option for neurological disorders in dogs...
July 17, 2017: Cytometry. Part A: the Journal of the International Society for Analytical Cytology
https://www.readbyqxmd.com/read/28715515/surgical-suture-releasing-macrophage-targeted-drug-loaded-nanoparticles-for-an-enhanced-anti-inflammatory-effect
#17
Hansol Kim, Byung Hwi Kim, Beom Kang Huh, Yeon Chun Yoo, Chan Yeong Heo, Young Bin Choy, Ji-Ho Park
A surgical suture is a medical device to close the wound site of skin and organs but excessive inflammation surrounding the suture can disrupt the wound healing process. Although post-operative prescription of anti-inflammatory drugs is used to manage the inflammation, the need for local drug delivery systems has been rising because of low bioavailability and fast clearance of drugs. In this work, we proposed a new strategy for a local anti-inflammatory device by incorporating macrophage-targeted anti-inflammatory nanoparticles into the suture...
July 17, 2017: Biomaterials Science
https://www.readbyqxmd.com/read/28714022/platelet-poor-plasma-gel-combined-with-amnion-improves-the-therapeutic-effects-of-human-umbilical-cord%C3%A2-derived-mesenchymal-stem-cells-on-wound-healing-in-rats
#18
Lujun Yang, Jie Ma, Saiyang Gan, Shuli Chu, Martin Maldonado, Jianda Zhou, Lian Ma, Shijie Tang
The aim of the present study was to investigate the efficacy of human umbilical cord‑derived mesenchymal stem cell (HUMSCs) embedded in platelet poor plasma (PPP) gel combined with amnion (PPPA) in improving wound healing on Sprague‑Dawley (SD) rats. HUMSCs were cultured and labeled with chloromethylbenzamido‑1,1'‑dioctadecyl‑3,3,3'3'‑tetramethylindocarbocyanine perchlorate (CM‑DiI) on their third passage. The expression levels of growth factors of HUMSCs in PPPA were assessed by ELISA. Full‑thickness excisional skin wounds were induced in 36 male SD rats, which were treated with PPPA grafted with HUMSCs (PPPAC), PPPA, or HUMSC or PBS injection...
September 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28713711/the-role-of-human-adult-peripheral-and-umbilical-cord-blood-platelet-rich-plasma-on-proliferation-and-migration-of-human-skin-fibroblasts
#19
Seyedeh-Sara Hashemi, Mahdokht Mahmoodi, Ali Reza Rafati, Farzad Manafi, Davood Mehrabani
BACKGROUND: Wound healing is a complex and dynamic process following damage in tissue structures. Due to extensive skin damage caused by burn injuries, this study determined the role of human adult peripheral and umbilical cord blood platelet-rich plasma on proliferation and migration in human skin fibroblasts. METHODS: Platelet-rich plasma (5, 10, 15, 20 and 50% PRP) from human umbilical cord blood and adult peripheral blood were provided and added to fibroblasts cultured from a human skin sample...
May 2017: World Journal of Plastic Surgery
https://www.readbyqxmd.com/read/28712390/-the-oxldl-%C3%AE-2gpi-%C3%AE-2gpi-ab-complex-promotes-the-migration-and-the-expression-of-inflammatory-cytokines-in-human-umbilical-vein-endothelial-cells
#20
Qianqian Cai, Hong Zhou, Guiting Zhang, Chao He, Xiaojie Zhu, Xiaoyan Wang, Hang Ouyang
Objective To study the effects of the complex of oxidized low density lipoprotein/β2-glycoprotein I/β2-glycoprotein I antibodies (oxLDL/β2GPI/β2GPI-Ab) on the migration of human umbilical vein endothelial cells (HUVECs) and the expression of inflammatory cytokines, and their underlying Toll-like receptor (TLR4) pathway. Methods HUVECs were treated with oxLDL, oxLDL/β2GPI complex, oxLDL/β2GPI-Ab complex, oxLDL/β2GPI/β2GPI-Ab complex, or lipopolysaccharide (LPS) for a period of time in their corresponding groups...
July 2017: Xi Bao Yu Fen Zi Mian Yi Xue za Zhi, Chinese Journal of Cellular and Molecular Immunology
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