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https://www.readbyqxmd.com/read/29916928/linking-a-total-ankle-arthroplasty-registry-to-medicare-inpatient-claims-without-unique-identifiers
#1
Sudha R Raman, Bradley G Hammill, Robin M Queen, Samuel B Adams, Lesley H Curtis
BACKGROUND: Linking clinical registries to administrative claims data enables researchers to capitalize on the specific strengths of each data source with respect to the depth, breadth, and completeness of information. The objectives of this study were to link a health-system-based orthopaedic surgery registry to U.S. Medicare claims data without the use of unique identifiers and to assess the representativeness of the linked records. METHODS: The registry included clinical data for patients ≥65 years of age who underwent elective, inpatient total ankle arthroplasty (TAA) in a single health system during the period of 2007 through 2012...
June 20, 2018: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/29913117/biochemical-and-transcriptional-analyses-of-cadmium-induced-mitochondrial-dysfunction-and-oxidative-stress-in-human-osteoblasts
#2
Cristina Monteiro, José Miguel P Ferreira de Oliveira, Francisco Pinho, Verónica Bastos, Helena Oliveira, Francisco Peixoto, Conceição Santos
Cadmium (Cd) accumulation is known to occur predominantly in kidney and liver; however, low-level long-term exposure to Cd may also result in bone damage. Few studies have addressed Cd-induced toxicity in osteoblasts, particularly upon cell mitochondrial energy processing and putative associations with oxidative stress in bone. To assess the influence of Cd treatment on mitochondrial function and oxidative status in osteoblast cells, human MG-63 cells were treated with Cd (up to 65 μM) for 24 or 48 h. Intracellular reactive oxygen species (ROS), lipid and protein oxidation and antioxidant defense mechanisms such as total antioxidant activity (TAA) and gene expression of antioxidant enzymes were analyzed...
June 18, 2018: Journal of Toxicology and Environmental Health. Part A
https://www.readbyqxmd.com/read/29911202/bio-chemo-mechanics-of-thoracic-aortic-aneurysms
#3
Jessica E Wagenseil
Most thoracic aortic aneurysms (TAAs) occur in the ascending aorta. This review focuses on the unique bio-chemo-mechanical environment that makes the ascending aorta susceptible to TAA. The environment includes solid mechanics, fluid mechanics, cell phenotype, and extracellular matrix composition. Advances in solid mechanics include quantification of biaxial deformation and complex failure behavior of the TAA wall. Advances in fluid mechanics include imaging and modeling of hemodynamics that may lead to TAA formation...
March 2018: Current Opinion in Biomedical Engineering
https://www.readbyqxmd.com/read/29905567/-study-of-total-antioocidant-status-of-the-organism-as-a-possible-biomarker-of-dose-and-effect-of-radiation-exposure
#4
I Gvilava, I Chkhikvishvili, T Sanikidze, M Giorgobiani, V N Kipiani, G Ormotsadze
In presented article, by means of a comparative analysis of the relationship between the dose-dependent alterations in the organism's redox status, measured by the innovative method developed by us and the standard methods used for assessing catalase and superoxide dismutase activity, and an end radiobiological effect, was attempted the preliminary assessment of the possibility to apply the parameter of blood plasma total antioxidant activity (TAA) as marker of dose and effect of radiation exposure. The experiments were carried out on white mice randomly divided into groups of irradiated and sham irradiated animals...
May 2018: Georgian Medical News
https://www.readbyqxmd.com/read/29895371/biomarkers-of-selenium-status-and-antioxidant-effect-in-workers-occupationally-exposed-to-mercury
#5
Renata Kuras, Edyta Reszka, Edyta Wieczorek, Ewa Jablonska, Jolanta Gromadzinska, Beata Malachowska, Lucyna Kozlowska, Magdalena Stanislawska, Beata Janasik, Wojciech Wasowicz
The present observation based research was designed to evaluate the influence of occupational human exposure to metallic mercury (Hg°) vapor on the biomarkers of selenium status involved in the antioxidant defense system. For this purpose we determined Hg and selenium (Se) concentrations in body fluids, the markers of antioxidant effect measured as an activity of Se-dependent enzymes (red blood cell and plasma glutathione peroxidase: GPx1-RBC and GPx3-P), concentration of selenoprotein P in the plasma (SeP-P) and total antioxidant activity in the plasma (TAA-P) in 131 male workers from a chloralkali plant exposed to Hg° and 67 non-exposed males (control group)...
September 2018: Journal of Trace Elements in Medicine and Biology
https://www.readbyqxmd.com/read/29892953/the-mitochondrial-genome-of-red-necked-phalarope-phalaropus-lobatus-charadriiformes-scolopacidae-and-phylogeny-analysis-among-scolopacidae
#6
Wei Liu, Chaochao Hu, Wenli Xie, Peng Chen, Yi Zhang, Ran Yao, Kexin Li, Qing Chang
The red-necked phalarope is a wonderful species with specific morphological characters and lifestyles. Mitochondrial genomes, encoding necessary proteins involved in the system of energy metabolism, are important for the evolution and adaption of species. In this study, we determined the complete mitogenome sequence of Phalaropus lobatus (Charadriiformes: Scolopacidae). The circular genome is 16714 bp in size, containing 13 PCGs, two ribosomal RNAs and 22 tRNAs and a high AT-rich control region. The AT skew and GC skew of major strand is positive and negative respectively...
May 2018: Genes & Genomics
https://www.readbyqxmd.com/read/29892904/the-complete-mitochondrial-genome-of-damora-sagana-and-phylogenetic-analyses-of-the-family-nymphalidae
#7
Naiyi Liu, Na Li, Pengyu Yang, Chunqin Sun, Jie Fang, Shuyan Wang
The monotypic genus Damora (Nymphalidae, Heliconiinae) contains a single species, Damora sagana, which is widely distributed across southern China. Herein, its complete mitogenome was sequenced to further understand lepidopteran mitogenome characteristics, reconstruct the nymphalid family phylogeny, and infer the subdivision of Heliconiinae species. The circular mitogenome was 15,151 bp long, abundant in A and T, and comprised of 13 protein-coding genes (PCGs), 22 transfer RNA (tRNA) genes, 2 ribosomal RNA (rRNA) genes, and one control region with a gene arrangement typical of lepidopteran mitogenomes...
January 2018: Genes & Genomics
https://www.readbyqxmd.com/read/29883307/thoracic-aortic-aneurysm-how-to-counsel-when-to-refer
#8
REVIEW
Frank Cikach, Milind Y Desai, Eric E Roselli, Vidyasagar Kalahasti
Thoracic aortic aneurysm (TAA) is usually clinically silent and progresses slowly until a tipping point is reached, after which the aortic diameter can expand more rapidly and the condition can potentially end in aortic dissection or rupture. Causes include bicuspid aortic valve and genetic syndromes (Marfan, Loeys-Dietz, and Ehlers-Danlos syndromes) and familial associations, but many cases are idiopathic. Clinicians should therefore be alert for clues on chest imaging, and consider screening in first-degree relatives of patients known to have aortic disease...
June 2018: Cleveland Clinic Journal of Medicine
https://www.readbyqxmd.com/read/29880848/quantum-limit-transport-and-destruction-of-the-weyl-nodes-in-taas
#9
B J Ramshaw, K A Modic, Arkady Shekhter, Yi Zhang, Eun-Ah Kim, Philip J W Moll, Maja D Bachmann, M K Chan, J B Betts, F Balakirev, A Migliori, N J Ghimire, E D Bauer, F Ronning, R D McDonald
Weyl fermions are a recently discovered ingredient for correlated states of electronic matter. A key difficulty has been that real materials also contain non-Weyl quasiparticles, and disentangling the experimental signatures has proven challenging. Here we use magnetic fields up to 95 T to drive the Weyl semimetal TaAs far into its quantum limit, where only the purely chiral 0th Landau levels of the Weyl fermions are occupied. We find the electrical resistivity to be nearly independent of magnetic field up to 50 T: unusual for conventional metals but consistent with the chiral anomaly for Weyl fermions...
June 7, 2018: Nature Communications
https://www.readbyqxmd.com/read/29879758/combination-treatment-of-stereotactic-body-radiation-therapy-and-immature-dendritic-cell-vaccination-for-augmentation-of-local-and-systemic-effects
#10
Chul Won Choi, Min Ho Jeong, You-Soo Park, Cheol-Hun Son, Hong-Rae Lee, Eun-Kyoung Koh
Purpose: The purpose of this study was to investigate the efficacy of stereotactic body radiation therapy (SBRT) as a tumor-associated antigen (TAA) presentation method for dendritic cell (DC) sensitization and evaluate its effect in combination with immunotherapy using an intratumoral injection of immature DCs (iDCs). Methods and Materials: CT-26 colon carcinoma cell was used as a cancer cell line. Annexin V staining and phagocytosis assays were performed to determine the appropriate radiation dose and incubation time to generate TAAs...
June 6, 2018: Cancer Research and Treatment: Official Journal of Korean Cancer Association
https://www.readbyqxmd.com/read/29872552/multiplex-bead-based-measurement-of-humoral-immune-responses-against-tumor-associated-antigens-in-stage-ii-melanoma-patients-of-the-eortc18961-trial
#11
Judith Michels, Natalia Becker, Stefan Suciu, Iris Kaiser, Axel Benner, Zeynep Kosaloglu-Yalcin, Sandrine Agoussi, Niels Halama, Michael Pawlita, Tim Waterboer, Stefan B Eichmüller, Dirk Jäger, Alexander M M Eggermont, Inka Zörnig
Purpose: Determine the prognostic and predictive significance of tumor associated antigen (TAA)-specific serum antibodies in melanoma patients of a large adjuvant vaccination phase III trial. Patients and methods: Serum IgG antibodies were measured against a panel of 43 antigens by a bead-based multiplex assay in 970 stage II melanoma patients of the EORTC18961 trial, evaluating adjuvant ganglioside GM2-KLH/QS-21 vaccination versus observation. Primary end point was relapse-free survival (RFS). Patients' sera at baseline, after 12 and 48 weeks of study treatment and at the last available time point (at recurrence/remission) were evaluated...
2018: Oncoimmunology
https://www.readbyqxmd.com/read/29867922/sv-br-1-gm-a-clinically-effective-gm-csf-secreting-breast-cancer-cell-line-expresses-an-immune-signature-and-directly-activates-cd4-t-lymphocytes
#12
Markus D Lacher, Gerhard Bauer, Brian Fury, Sanne Graeve, Emily L Fledderman, Tye D Petrie, Dane P Coleal-Bergum, Tia Hackett, Nicholas H Perotti, Ying Y Kong, William W Kwok, Joseph P Wagner, Charles L Wiseman, William V Williams
Targeted cancer immunotherapy with irradiated, granulocyte-macrophage colony-stimulating factor (GM-CSF)-secreting, allogeneic cancer cell lines has been an effective approach to reduce tumor burden in several patients. It is generally assumed that to be effective, these cell lines need to express immunogenic antigens coexpressed in patient tumor cells, and antigen-presenting cells need to take up such antigens then present them to patient T cells. We have previously reported that, in a phase I pilot study (ClinicalTrials...
2018: Frontiers in Immunology
https://www.readbyqxmd.com/read/29865886/the-infinity-total-ankle-system-early-clinical-results-with-2-to-4-year-follow-up
#13
Murray Penner, W Hodges Davis, Kevin Wing, Thomas Bemenderfer, Feras Waly, Robert B Anderson
AIMS: This study presents the first report of clinical and radiographic outcomes of the Infinity Total Ankle System (Wright Medical, Memphis, TN) with minimum 2-year follow-up. PATIENTS AND METHODS: The first 67 consecutive patients who underwent primary total ankle arthroplasty (TAA) with the Infinity system at 2 North American sites between August 2013 and May 2015 were reviewed in a prospective, observational study. Demographic, radiographic, and functional outcome data were collected preoperatively, at 6 to 12 months postoperatively, and annually thereafter...
June 1, 2018: Foot & Ankle Specialist
https://www.readbyqxmd.com/read/29804362/-effect-of-dopamine-on-intracerebral-glutamate-uptake-ability-in-rats-with-minimal-hepatic-encephalopathy-and-the-pathogenesis-of-minimal-hepatic-encephalopathy
#14
F F Wen, Z Xu, L P Liu, J J Yang, S D Ding
Objective: To investigate the effect of dopamine (DA) on the glutamate (Glu) uptake ability of neural cells, as well as its effect on cognitive impairment in rats with minimal hepatic encephalopathy (MHE) via related pathways. Methods: A total of 45 Sprague-Dawley rats were randomly divided into control group, MHE model group, and DA intervention model group, with 15 rats in each group. The rats in the MHE model group were given intraperitoneal injection of thioacetamide (TAA), those in DA intervention model group were given intraventricular injection of DA, and those in the control group were given intraperitoneal injection of physiological saline, with a frequency of twice a week for 8 weeks...
January 20, 2018: Zhonghua Gan Zang Bing za Zhi, Zhonghua Ganzangbing Zazhi, Chinese Journal of Hepatology
https://www.readbyqxmd.com/read/29800576/evaluating-dendritic-cells-as-an-in-vitro-screening-tool-for-immunotherapeutic-formulations
#15
Theresa El-Murr, Ankita Patel, Carrie Sedlak, Bernadette D'Souza
Immunotherapy approaches targeting dendritic cells (DCs) are being studied as treatment options in cancer. This project focused on utilizing DCs as a valuable in vitro screening tool for efficacious microparticle formulations containing tumor associated antigens (TAAs) and adjuvants as immunotherapy alternatives. The innate immune system, including DCs, distinctly responds to the particulate matter and adjuvants in these formulations which stimulates the adaptive immune system to eliminate resident cancer cells...
May 22, 2018: Journal of Immunological Methods
https://www.readbyqxmd.com/read/29796165/preclinical-evaluation-of-a-gfra1-targeted-antibody-drug-conjugate-in-breast-cancer
#16
Emily E Bosco, R James Christie, Rosa Carrasco, Darrin Sabol, Jiping Zha, Karma DaCosta, Lee Brown, Maureen Kennedy, John Meekin, Sandrina Phipps, Joanne Ayriss, Qun Du, Binyam Bezabeh, Partha Chowdhury, Shannon Breen, Cui Chen, Molly Reed, MaryJane Hinrichs, Haihong Zhong, Zhan Xiao, Rakesh Dixit, Ronald Herbst, David A Tice
Despite recent advances in treatment, breast cancer remains the second-most common cause of cancer death among American women. A greater understanding of the molecular characteristics of breast tumors could ultimately lead to improved tumor-targeted treatment options, particularly for subsets of breast cancer patients with unmet needs. Using an unbiased genomics approach to uncover membrane-localized tumor-associated antigens (TAAs), we have identified glial cell line derived neurotrophic factor (GDNF) family receptor α 1 (GFRA1) as a breast cancer TAA...
May 1, 2018: Oncotarget
https://www.readbyqxmd.com/read/29790721/techniques-and-outcomes-of-secondary-endovascular-repair-for-post-dissection-taa-taaa
#17
Pablo Marques De Marino, Kyriakos Oikonomou, Eric L Verhoeven, Athanasios Katsargyris
Post-dissection aortic aneurysms (PDAA) affect 20-40% of patients with aortic dissection. Open repair remains the first line therapy of PDAA, but is still associated with high mortality and morbidity rates. Endovascular repair is increasingly being used as a less invasive treatment option. Thoracic endovascular aneurysm repair (TEVAR) covering only the proximal entry tear has proven to be insufficient in most patients with chronic PDAA and has a limited role only for PDAA with distal sealing zone in the thoracic aorta...
May 23, 2018: Journal of Cardiovascular Surgery
https://www.readbyqxmd.com/read/29790264/immune-responses-against-tumor-associated-antigen-derived-cytotoxic-t-lymphocyte-epitopes-in-cholangiocarcinoma-patients
#18
Akihiko Kida, Eishiro Mizukoshi, Toshikatsu Tamai, Takeshi Terashima, Masaaki Kitahara, Kuniaki Arai, Tatsuya Yamashita, Kazumi Fushimi, Masao Honda, Shuichi Kaneko
BACKGROUND & AIMS: Immunotherapy is a promising treatment option for cholangiocarcinoma. We compared cytotoxic T lymphocyte (CTL) responses against several tumor-associated antigen (TAA)-derived epitopes in cholangiocarcinoma patients to identify candidate epitopes for immunotherapy. METHODS: Twenty-six TAAs were selected, and the expression of TAAs in 6 cholangiocarcinoma cell lines and 9 specimens were measured using real-time polymerase chain reaction (PCR)...
May 23, 2018: Liver International: Official Journal of the International Association for the Study of the Liver
https://www.readbyqxmd.com/read/29780894/multiple-re-entry-closures-after-tevar-for-ruptured-chronic-post-dissection-thoraco-abdominal-aortic-aneurysm
#19
R Kinoshita, F Ganaha, J Ito, N Ohyama, N Abe, T Yamazato, H Munakata, K Mabuni, T Kugai
Introduction: Although thoracic endovascular aortic repair (TEVAR) has become a promising treatment for complicated acute type B dissection, its role in treating chronic post-dissection thoraco-abdominal aortic aneurysm (TAA) is still limited owing to persistent retrograde flow into the false lumen (FL) through abdominal or iliac re-entry tears. Report: A case of chronic post-dissection TAA treatment, in which a dilated descending FL ruptured into the left thorax, is described...
2018: EJVES Short Reports
https://www.readbyqxmd.com/read/29770176/the-top-50-most-cited-articles-on-total-ankle-arthroplasty-a-bibliometric-analysis
#20
Azeem Tariq Malik, Shahryar Noordin
Total Ankle Arthroplasty (TAA) is a relatively new and evolving field in Foot and Ankle surgery. We conducted a citation analysis to identify the characteristics of the top 50 most cited articles on total ankle arthroplasty. Using the Web of Science database and the search strategy total ankle arthroplasty OR total ankle replacement , we identified 2445 articles. After filtering for relevant articles, the top 50 cited articles on total ankle arthroplasty were retrieved for descriptive and statistical analysis...
March 29, 2018: Orthopedic Reviews
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