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https://www.readbyqxmd.com/read/28521779/total-ankle-arthroplasty-versus-ankle-arthrodesis-a-comparison-of-outcomes-over-the-last-decade
#1
REVIEW
Cort D Lawton, Bennet A Butler, Robert G Dekker, Adam Prescott, Anish R Kadakia
BACKGROUND: The surgical treatment of end-stage tibiotalar arthritis continues to be a controversial topic. Advances in surgical technique and implant design have lead to improved outcomes after both ankle arthrodesis (AA) and total ankle arthroplasty (TAA), yet a clear consensus regarding the most ideal form of treatment is lacking. In this study, the outcomes and complications following AA and TAA are compared in order to improve our understanding and decision-making for care and treatment of symptomatic tibiotalar arthritis...
May 18, 2017: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/28511368/evaluation-of-cyp1b1-expression-oxidative-stress-and-phase-2-detoxification-enzyme-status-in-oral-squamous-cell-carcinoma-patients
#2
Shailza Verma, Rahul Saxena, Merajul Haque Siddiqui, Karunathy Santha, Subramaniam Sethupathy
INTRODUCTION: Oral Squamous Cell Carcinoma (OSCC) affects global health with increasing incidence and mortality rate. It may involve exposure to carcinogens from tobacco smoking or chewing. Alteration in expression of gene encoding the enzymes concerned with carcinogen biotransformation along with oxidative stress may increase or decrease the risk of cancer. AIM: To evaluate the expression of CYP1B1 gene in OSCC patients along with its relation with oxidative stress and phase 2 detoxification enzyme status...
March 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28507794/a-novel-nanobody-based-target-module-for-retargeting-of-t-lymphocytes-to-egfr-expressing-cancer-cells-via-the-modular-unicar-platform
#3
Susann Albert, Claudia Arndt, Anja Feldmann, Ralf Bergmann, Dominik Bachmann, Stefanie Koristka, Florian Ludwig, Pauline Ziller-Walter, Alexandra Kegler, Sebastian Gärtner, Marc Schmitz, Armin Ehninger, Marc Cartellieri, Gerhard Ehninger, Hans-Jürgen Pietzsch, Jens Pietzsch, Jörg Steinbach, Michael Bachmann
Recent treatments of leukemias with chimeric antigen receptor (CAR) expressing T cells underline their impressive therapeutic potential. However, once adoptively transferred into patients, there is little scope left to shut them down after elimination of tumor cells or in case adverse side effects occur. This becomes of special relevance if they are directed against commonly expressed tumor associated antigens (TAAs) such as receptors of the ErbB family. To overcome this limitation, we recently established a modular CAR platform technology termed UniCAR...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/28506593/a-rational-strategy-for-reducing-on-target-off-tumor-effects-of-cd38-chimeric-antigen-receptors-by-affinity-optimization
#4
Esther Drent, Maria Themeli, Renée Poels, Regina de Jong-Korlaar, Huipin Yuan, Joost de Bruijn, Anton C M Martens, Sonja Zweegman, Niels W C J van de Donk, Richard W J Groen, Henk M Lokhorst, Tuna Mutis
Chimeric antigen receptors (CARs) can effectively redirect cytotoxic T cells toward highly expressed surface antigens on tumor cells. The low expression of several tumor-associated antigens (TAAs) on normal tissues, however, hinders their safe targeting by CAR T cells due to on-target/off-tumor effects. Using the multiple myeloma (MM)-associated CD38 antigen as a model system, here, we present a rational approach for effective and tumor-selective targeting of such TAAs. Using "light-chain exchange" technology, we combined the heavy chains of two high-affinity CD38 antibodies with 176 germline light chains and generated ∼124 new antibodies with 10- to >1,000-fold lower affinities to CD38...
May 13, 2017: Molecular Therapy: the Journal of the American Society of Gene Therapy
https://www.readbyqxmd.com/read/28505603/icariin-protects-against-thioacetamide-induced-liver-fibrosis-in-rats-implication-of-anti-angiogenic-and-anti-autophagic-properties
#5
Mardi M Algandaby, Randa M Breikaa, Basma G Eid, Thikrayat A Neamatallah, Ashraf B Abdel-Naim, Osama M Ashour
BACKGROUND: Liver fibrosis is a major health problem. The current study evaluated the potential of icariin (ICA) to guard against thioacetamide (TAA)-induced liver fibrosis in rats. METHODS: Four groups of male rats were treated as follows: group 1 was the control group, group 2 was given TAA (200mg/kg), group 3 was administered ICA (50mg/kg) and TAA (200mg/kg), and group 4 was given ICA (50mg/kg) alone. Animal treatment was continued for four weeks. RESULTS: Co-administration of ICA guarded against TAA hepatotoxicity as indicated by significant inhibition in the rise of serum ALT and AST activities and albumin concentrations...
February 24, 2017: Pharmacological Reports: PR
https://www.readbyqxmd.com/read/28505498/ameliorative-effects-of-rutin-on-hepatic-encephalopathy-induced-by-thioacetamide-or-gamma-irradiation
#6
Somaya Z Mansour, Seham M El-Marakby, Fatma S M Moawed
Hepatic encephalopathy (HE) is a syndrome resulting from acute or chronic liver failure. This study was designed to evaluate the effect of rutin on thioacetamide (TAA) or γ-radiation-induced HE model. Animals were received with TAA (200mg/kg, i.p.) twice weekly for four weeks or exposed to 6Gy of γ-radiation to induce HE then groups orally treated with rutin (50mg/kg b.wt.) for four weeks. At the end of experiment, blood, liver and brain samples were collected to assess biochemical and biophysical markers as well histopathological investigations...
May 8, 2017: Journal of Photochemistry and Photobiology. B, Biology
https://www.readbyqxmd.com/read/28502358/is-there-anything-to-learn-from-a-national-joint-registry
#7
REVIEW
Dawson Muir
National joint registries (NJRs) have been established in Northern Europe for over 20 years. Since then, many other countries have begun collecting and reporting national data for total ankle arthroplasty (TAA). With relatively small numbers implanted, a large variety of available designs, and with any long-term reports dominated by designer groups, TAA is ideally placed to benefit from large national or even pooled national registries. This article reviews the existing registry-based literature with respect to what is already known...
June 2017: Foot and Ankle Clinics
https://www.readbyqxmd.com/read/28502355/how-to-diagnose-and-treat-infection-in-total-ankle-arthroplasty
#8
REVIEW
Yousef Alrashidi, Ahmed E Galhoum, Martin Wiewiorski, Mario Herrera-Pérez, Raymond Y Hsu, Alexej Barg, Victor Valderrabano
Periprosthetic infection after total ankle arthroplasty (TAA) is a serious complication, often requiring revision surgery, including revision arthroplasty, conversion to ankle arthrodesis, or even amputation. Risk factors for periprosthetic ankle infection include prior surgery at the site of infection, low functional preoperative score, diabetes, and wound healing problems. The clinical presentation of patients with periprosthetic ankle joint infection can be variable and dependent on infection manifestation: acute versus chronic...
June 2017: Foot and Ankle Clinics
https://www.readbyqxmd.com/read/28502353/management-of-talar-component-subsidence
#9
REVIEW
Shu-Yuan Li, Mark S Myerson
Component subsidence has been found to be the top complication that leads to failure of the total ankle arthroplasty (TAA). The cause of subsidence formation is unclear, and is multifactorial. Talar subsidence is more frequently met than tibial subsidence, and the subsequent big bone loss is demanding to handle. As a revision treatment option, neither a revision TAA nor a salvage ankle and/or hindfoot arthrodesis procedure is easy to perform or can obtain a definite outcome. The Salto XT can be used to treat most of the TAA systems available for use in the United States with acceptable short-term outcomes...
June 2017: Foot and Ankle Clinics
https://www.readbyqxmd.com/read/28502347/ankle-arthrodesis-versus-total-ankle-arthroplasty
#10
REVIEW
Joel Morash, David M Walton, Mark Glazebrook
Reoperation rates are higher in total ankle arthroplasties (TAAs) compared with ankle arthrodesis. Infection rates for primary TAAs are 1.4% to 2.4%. The survival rate of TAA is approximately 75% to 90% at 10 years. Arc of motion is maintained with TAAs compared with ankle arthrodesis. Ankle arthrodesis increases arc of motion through the talonavicular joint. Several factors are strong reasons to favor ankle fusion rather than TAA. TAA and ankle arthrodesis are effective treatments of end-stage ankle arthritis but the choice must be tailored to individual patients...
June 2017: Foot and Ankle Clinics
https://www.readbyqxmd.com/read/28502346/kinematics-and-function-of-total-ankle-replacements-versus-normal-ankles
#11
REVIEW
Justin M Kane, Scott Coleman, James W Brodsky
End-stage ankle arthritis produces severe functional disability, quantifiable by gait abnormalities. In all categories of gait parameters, total ankle arthroplasty (TAA) satistically significantly improves function, compared to patients' preoperative function. There are increases in step length, cadence and velocity; in sagittal plane motion of the ankle, as well has hip and knee motion, and in ankle power and moment. These functional gait improvements correspond to clinical improvements of pain relief and satisfaction...
June 2017: Foot and Ankle Clinics
https://www.readbyqxmd.com/read/28501746/a-label-free-nanostructured-plasmonic-biosensor-based-on-blu-ray-discs-with-integrated-microfluidics-for-sensitive-biodetection
#12
Gerardo A López-Muñoz, M-Carmen Estevez, E Cristina Peláez-Gutierrez, Antoni Homs-Corbera, M Carmen García-Hernandez, J Ignacio Imbaud, Laura M Lechuga
Nanostructure-based plasmonic biosensors have quickly positioned themselves as interesting candidates for the design of portable optical biosensor platforms considering the potential benefits they can offer in integration, miniaturization, multiplexing, and real-time label-free detection. We have developed a simple integrated nanoplasmonic sensor taking advantage of the periodic nanostructured array of commercial Blu-ray discs. Sensors with two gold film thicknesses (50 and 100nm) were fabricated and optically characterized by varying the oblique-angle of the incident light in optical reflectance measurements...
May 10, 2017: Biosensors & Bioelectronics
https://www.readbyqxmd.com/read/28496440/fc%C3%AE-chimeric-receptor-engineered-t-cells-methodology-advantages-limitations-and-clinical-relevance
#13
REVIEW
Sara Caratelli, Tommaso Sconocchia, Roberto Arriga, Andrea Coppola, Giulia Lanzilli, Davide Lauro, Adriano Venditti, Maria Ilaria Del Principe, Francesco Buccisano, Luca Maurillo, Soldano Ferrone, Giuseppe Sconocchia
For many years, disappointing results have been generated by many investigations, which have utilized a variety of immunologic strategies to enhance the ability of a patient's immune system to recognize and eliminate malignant cells. However, in recent years, immunotherapy has been used successfully for the treatment of hematologic and solid malignancies. The impressive clinical responses observed in many types of cancer have convinced even the most skeptical clinical oncologists that a patient's immune system can recognize and reject his tumor if appropriate strategies are implemented...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28494200/a-new-therapeutic-potential-for-cancers-one-car-with-2-different-engines
#14
Abdolkarim Sheikhi, Abdollah Jafarzadeh
Tumor cells escape from immune recognition by several mechanisms such as down-regulating of MHC class I molecules, losing of tumor antigens, etc. The purpose of cancer immunotherapy is to robust or reconstruct the capacity of the immune system to recognize and kill tumor cells by overwhelming the mechanisms by which tumors escape the immune response. One of the novel immunotherapeutic strategies were used to potentiate NK- and T cell functions is chimeric antigen receptor (CAR). CARs are composed of an antigen-binding domain of a molecule such as an antibody (that binds to a tumor associated antigens expressed on the surface of tumor cells) and an intracellular T cell activation domain...
May 11, 2017: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/28490971/chemoprotective-effect-of-omega-3-fatty-acids-on-thioacetamide-induced-hepatic-fibrosis-in-male-rats
#15
Atef M Al-Attar, Hayfa A Al-Rethea
The current study was designed to investigate the possible protective effect of omega-3 fatty acids from fish oil on hepatic fibrosis induced by thioacetamide (TAA) in male rats. The experimental animals were divided into four groups. The first group was received saline solution and served as control. The second group was given 250 mg/kg body weight of TAA. The third group was treated with omega-3 fatty acids and TAA. The fourth group was given saline solution and supplemented with omega-3 fatty acids. Treatment of rats with TAA for three and six weeks resulted in a significant decrease in body weight gain, while the value of liver/body weight ratio was statistically increased...
May 2017: Saudi Journal of Biological Sciences
https://www.readbyqxmd.com/read/28485889/mmp-family-polymorphisms-and-the-risk-of-aortic-aneurysmal-disease-a-systematic-review-and-meta-analysis
#16
REVIEW
Tan Li, Zhi Lv, Jing-Jing Jing, Jun Yang, Yuan Yuan
It has been suggested that matrix metalloproteinase (MMP) polymorphisms are associated with the pathogenesis of aortic aneurysmal diseases. In this study, we conducted a systematic review with an update meta-analysis to investigate the relationship between MMP family polymorphisms and aortic aneurysmal diseases. We systematically reviewed 24 polymorphisms in eight MMP genes related to the risk of abdominal aortic aneurysm (AAA), thoracic aortic aneurysm (TAA) or thoracic aortic dissection (TAD). A total of 19 case-control studies with 15 highly studied MMP polymorphisms were included in our meta-analysis...
May 9, 2017: Clinical Genetics
https://www.readbyqxmd.com/read/28481081/preparation-of-single-crystalline-agin5s8-octahedrons-with-exposed-111-facets-and-its-visible-light-responsive-photocatalytic-h2-production-activity
#17
Shuaishuai Song, Zechen Liang, Wenli Fu, Tianyou Peng
Although AgIn5S8 as one kind of ternary chalcogenides has been extensively investigated due to its band-edge positions meeting the thermodynamic requirement for water photosplitting, very little attention has been focused on the crystallinity and facet effects of AgIn5S8 on its photocatalytic activity. Herein, a facile hydrothermal route was developed to fabricate regular single-crystalline AgIn5S8 octahedrons with only {111} facets exposed. Also, the effects of the hydrothermal reaction conditions on the composition, crystal phase, crystallinity, and morphology of the obtained AgxInyS(x+3y/2) products (hereafter denoted as AIS-x, where x represents the pH value of the reaction solution) were investigated, and it was found that the accurately released S(2-) ions from the thermal decomposition of thioacetamide (TAA) is the central factor for the nucleation and growth of the AgIn5S8 octahedrons...
May 11, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28479097/a-reproducible-swine-model-of-proximal-descending-thoracic-aortic-aneurysm-created-with-intra-adventitial-application-of-elastase
#18
Yulong Tian, Wei Zhang, Jun Sun, Huan Zhai, Yang Yu, Xingshun Qi, Jeffrey A Jones, Hongshan Zhong
OBJECTIVE: Animal models are required to explore the mechanisms of and therapy for proximal descending thoracic aortic aneurysm (TAA). This study aimed to establish a reproducible swine model of proximal descending TAA that can further explain the occurrence and progression of proximal descending TAA. METHODS: Eighteen Chinese Wuzhishan miniature pigs (30.32 ± 1.34 kg) were randomized into the elastase group (n = 12) and the control group (n = 6). The elastase group received intra-adventitial injections of elastase (5 mL, 20 mg/mL), and the control group received injections of physiologic saline solution...
May 4, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28468947/phase-i-trial-of-intratumoral-injection-of-ccl21-gene-modified-dendritic-cells-in-lung-cancer-elicits-tumor-specific-immune-responses-and-cd8-t-cell-infiltration
#19
Jay Moon M Lee, Mi-Heon Lee, Edward Garon, Jonathan W Goldman, Ramin Salehi-Rad, Felicita E Baratelli, Dorthe Schaue, Gerald Wang, Fran Rosen, Jane Yanagawa, Tonya C Walser, Ying Lin, Stacy J Park, Sharon Adams, Francesco M Marincola, Paul C Tumeh, Fereidoun Abtin, Robert Suh, Karen L Reckamp, Gina Lee, William D Wallace, Sarah Lee, Gang Zeng, David A Elashoff, Sherven Sharma, Steven M Dubinett
PURPOSE: A phase I study was conducted to determine safety, clinical efficacy, and anti-tumor immune responses in patients with advanced non-small cell lung carcinoma (NSCLC) following intratumoral (IT) administration of autologous dendritic cells (DC) transduced with an adenoviral (Ad) vector expressing the CCL21 gene (Ad-CCL21-DC). We evaluated safety and tumor antigen-specific immune responses following in situ vaccination (ClinicalTrials.gov: NCT01574222). EXPERIMENTAL DESIGN: Sixteen stage IIIB/IV NSCLC subjects received two vaccinations (1 x 106, 5 x 106, 1 x 107, or 3 x 107 dendritic cells/injection) by CT- or bronchoscopic-guided IT injections (days 0 and 7)...
May 3, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28459041/advancing-cancer-therapy-with-present-and-emerging-immuno-oncology-approaches
#20
REVIEW
Jeff Kamta, Maher Chaar, Anusha Ande, Deborah A Altomare, Sihem Ait-Oudhia
Immuno-oncology (I-O) is a young and growing field on the frontier of cancer therapy. Contrary to cancer therapies that directly target malignant cells, I-O therapies stimulate the body's immune system to target and attack the tumor, which is otherwise invisible to, or inhibiting the immune response. To this end, several methods have been developed: First, passive therapies that enable T-cells to fight the tumor without direct manipulation, typically through binding and modifying the intracellular signaling of surface receptors...
2017: Frontiers in Oncology
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