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https://www.readbyqxmd.com/read/28323443/impact-of-abdominal-adipose-depots-and-race-on-risk-for-colorectal-cancer-a-case-control-study
#1
Sandra L Gomez-Perez, Vivek Chaudhry, Winnie Mar, Bimal Patel, Giamila Fantuzzi, Sally Freels, Carol A Braunschweig
Visceral adipose tissue (VAT) but not subcutaneous adipose tissue (SAT) is associated with obesity-related diseases including colorectal cancer (CRC). Superficial SAT (SSAT) and deep SAT (DSAT), components of SAT, also appear to independently influence disease risk. These abdominal adipose tissues (AATs) are not extensively studied in connection with CRC and have not been explored in the United States despite known racial variations in body composition. We conducted a case-control study that compared associations between AAT with CRC risk and race of African-American (AA) and non-Hispanic white (NHW) men with incident CRC matched by age, body mass index, and race (N = 158, 79/group)...
March 21, 2017: Nutrition and Cancer
https://www.readbyqxmd.com/read/28295475/downregulation-of-hnf-4%C3%AE-and-defective-zonation-in-livers-expressing-mutant-z-%C3%AE-1-antitrypsin
#2
Pasquale Piccolo, Patrizia Annunziata, Leandro R Soria, Sergio Attanasio, Anna Barbato, Raffaele Castello, Annamaria Carissimo, Luca Quagliata, Luigi M Terracciano, Nicola Brunetti-Pierri
α1 -antitrypsin (AAT) deficiency is one of the most common genetic disorders and the liver disease due to the Z mutant of α1 -antitrypsin (ATZ) is a prototype of conformational disorder due to misfolding of protein with consequent aberrant intermolecular protein aggregation. In the present study, we found that livers of PiZ transgenic mice expressing the human ATZ have altered expression of a network of hepatocyte transcriptional factors including HNF4-α, that is early downregulated and induces a transcriptional repression of ATZ expression...
March 15, 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/28294424/therapeutic-regulation-of-systemic-inflammation-in-xenograft-recipients
#3
Hayato Iwase, Hong Liu, Tao Li, Zhongquiang Zhang, Bingsi Gao, Hidetaka Hara, Martin Wijkstrom, Cassandra Long, Ryan Saari, David Ayares, David K C Cooper, Mohamed B Ezzelarab
Inflammation is known to preclude tolerance after transplantation. We have previously shown that systemic inflammation in xenograft recipients (SIXR) precedes activation of coagulation in the absence of T cell responses. Accordingly, SIXR may amplify innate and adaptive immune responses against xenografts after pig-to-primate xenotransplantation, even with efficient immunosuppressive therapy. We evaluated the impact of anti-inflammatory agents on pro-inflammatory cytokines and chemokines in pig artery patch and heart xenograft recipients...
March 12, 2017: Xenotransplantation
https://www.readbyqxmd.com/read/28291663/acc-aats-aha-ase-asnc-scai-scct-sts-2017-appropriate-use-criteria-for-coronary-revascularization-in-patients-with%C3%A2-stable-ischemic-heart%C3%A2-disease-a-report-of-the-american-college-of-cardiology-appropriate-use-criteria-task-force-american-association-for-thoracic
#4
https://www.readbyqxmd.com/read/28290848/-autoimmunity-and-prognosis-of-patients-with-morphologically-documented-myocarditis
#5
D A Khashchevskaya, L B Mitrofanova, E A Belyakova, O V Beschuk, D A Zverev, D S Lebedev, O M Moiseeva
AIM: to assess clinical and prognostic value of circulating cardiospecific autoantibodies (AAB) and CD4+ T-regulatory cells in patients with myocarditis. MATERIAL AND METHODS: We included into this study 47 patients with lymphocytic myocarditis verified by analysis of histological and immunohistochemical data. Comparison group consisted of 30 practically healthy persons. Content of marker cardiotropic AAT were measured with the help of standardized immune enzyme test-systems...
June 2016: Kardiologiia
https://www.readbyqxmd.com/read/28288771/cattle-breeding-trypanosomosis-prevalence-and-drug-resistance-in-northern-togo
#6
E Tchamdja, A E Kulo, H S Vitouley, K Batawui, A A Bankolé, K Adomefa, G Cecchi, A Hoppenheit, P H Clausen, R De Deken, J Van Den Abbeele, T Marcotty, V Delespaux
African Animal Trypanosomosis (AAT) is a major disease of cattle in Togo and its control is essentially based on chemotherapy. However, because of excessive use of trypanocides during the past decades, chemo-resistance in the parasites has developed. In order to assess the current situation of AAT and resistance to trypanocidal drugs in Northern Togo, a study was conducted on cattle from December 2012 to August 2013 in the regions of Kara and Savanes. An initial cross-sectional survey was carried out in 40 villages using the Haematocrit Centrifugation Technique (HCT)...
March 15, 2017: Veterinary Parasitology
https://www.readbyqxmd.com/read/28284719/hypoxia-mediated-mechanisms-associated-with-antiangiogenic-treatment-resistance-in-glioblastomas
#7
REVIEW
Sean Mahase, Rachel N Rattenni, Pieter Wesseling, William Leenders, Clarissa Baldotto, Rajan Jain, David Zagzag
Glioblastomas (GBMs) are malignant tumors characterized by their vascularity and invasive capabilities. Antiangiogenic therapy (AAT) is a treatment option that targets GBM-associated vasculature to mitigate the growth of GBMs. However, AAT demonstrates transient effects, because many patients eventually develop resistance to this treatment. Several recent studies attempt to explain the molecular and biochemical basis of resistance to AAT in GBM patients. Experimental investigations suggest that the induction of extensive intratumoral hypoxia plays a key role in GBM escape from AAT...
March 8, 2017: American Journal of Pathology
https://www.readbyqxmd.com/read/28283235/debunking-dogma-the-arduous-task-of-writing-aats-consensus-guidelines
#8
EDITORIAL
Robert James Cerfolio
No abstract text is available yet for this article.
February 14, 2017: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28268812/identification-of-blood-biomarkers-for-use-in-point-of-care-diagnosis-tool-for-alzheimer-s-disease
#9
E Jammeh, P Zhao, C Carroll, S Pearson, E Ifeachor
Early diagnosis of Alzheimer's Disease (AD) is widely regarded as necessary to allow treatment to be started before irreversible damage to the brain occur and for patients to benefit from new therapies as they become available. Low-cost point-of-care (PoC) diagnostic tools that can be used to routinely diagnose AD in its early stage would facilitate this, but such tools require reliable and accurate biomarkers. However, traditional biomarkers for AD use invasive cerebrospinal fluid (CSF) analysis and/or expensive neuroimaging techniques together with neuropsychological assessments...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28268011/hands-on-surgical-training-of-congenital-heart-surgery-using-3-dimensional-print-models
#10
Shi-Joon Yoo, Thomas Spray, Erle H Austin, Tae-Jin Yun, Glen S van Arsdell
OBJECTIVE: Patient-based congenital heart surgery (CHS) training is opportunity-based and difficult. Three-dimensional (3D) print models of the heart were used for hands-on surgical training (HOST) at the 2015 AATS and subsequently in 2 local institutions. We aim to introduce the process of 3D printing for surgical simulation and to present the attendee's responses. METHODS: Using CT or MR angiograms, the models of congenital heart disease were created and printed with flexible rubberlike material...
February 9, 2017: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28265967/acc-aats-aha-ase-asnc-scai-scct-sts-2016-appropriate-use-criteria-for-coronary-revascularization-in-patients-with-acute-coronary-syndromes-a-report-of-the-american-college-of-cardiology-appropriate-use-criteria-task-force-american-association-for-thoracic-surgery
#11
Manesh R Patel, John H Calhoon, Gregory J Dehmer, James Aaron Grantham, Thomas M Maddox, David J Maron, Peter K Smith
The American College of Cardiology, Society for Cardiovascular Angiography and Interventions, Society of Thoracic Surgeons, and American Association for Thoracic Surgery, along with key specialty and subspecialty societies, have completed a 2-part revision of the appropriate use criteria (AUC) for coronary revascularization. In prior coronary revascularization AUC documents, indications for revascularization in acute coronary syndromes (ACS) and stable ischemic heart disease were combined into 1 document. To address the expanding clinical indications for coronary revascularization, and in an effort to align the subject matter with the most current American College of Cardiology/American Heart Association guidelines, the new AUC for coronary artery revascularization were separated into 2 documents addressing ACS and stable ischemic heart disease individually...
March 6, 2017: Journal of Nuclear Cardiology: Official Publication of the American Society of Nuclear Cardiology
https://www.readbyqxmd.com/read/28265093/common-coding-variant-in-serpina1-increases-the-risk-for-large-artery-stroke
#12
Rainer Malik, Therese Dau, Maria Gonik, Anirudh Sivakumar, Daniel J Deredge, Evgeniia V Edeleva, Jessica Götzfried, Sander W van der Laan, Gerard Pasterkamp, Nathalie Beaufort, Susana Seixas, Steve Bevan, Lisa F Lincz, Elizabeth G Holliday, Annette I Burgess, Kristiina Rannikmäe, Jens Minnerup, Jennifer Kriebel, Melanie Waldenberger, Martina Müller-Nurasyid, Peter Lichtner, Danish Saleheen, Peter M Rothwell, Christopher Levi, John Attia, Cathie L M Sudlow, Dieter Braun, Hugh S Markus, Patrick L Wintrode, Klaus Berger, Dieter E Jenne, Martin Dichgans
Large artery atherosclerotic stroke (LAS) shows substantial heritability not explained by previous genome-wide association studies. Here, we explore the role of coding variation in LAS by analyzing variants on the HumanExome BeadChip in a total of 3,127 cases and 9,778 controls from Europe, Australia, and South Asia. We report on a nonsynonymous single-nucleotide variant in serpin family A member 1 (SERPINA1) encoding alpha-1 antitrypsin [AAT; p.V213A; P = 5.99E-9, odds ratio (OR) = 1.22] and confirm histone deacetylase 9 (HDAC9) as a major risk gene for LAS with an association in the 3'-UTR (rs2023938; P = 7...
March 6, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28258642/benchmarking-recent-national-practice-in-rectal-cancer-treatment-with-landmark-randomised-controlled-trials
#13
Wernard Aat Antoine Borstlap, Pieter Tanis
AIM: A Snapshot study design eliminates changes in treatment and outcome over time. This population based Snapshot study aimed to determine current practice and outcome of rectal cancer treatment with published landmark randomised controlled trials (RCTs) as a benchmark. METHODS: In this collaborative research project, the dataset of the Dutch Surgical Colorectal Audit was extended with additional treatment and long-term outcome data. All registered patients who underwent resection for rectal cancer in 2011 were eligible...
March 4, 2017: Colorectal Disease: the Official Journal of the Association of Coloproctology of Great Britain and Ireland
https://www.readbyqxmd.com/read/28255679/computational-parametric-studies-investigating-the-global-hemodynamic-effects-of-applied-apical-torsion-for-cardiac-assist
#14
Elaine Soohoo, Lewis K Waldman, Dennis R Trumble
Healthy hearts have an inherent twisting motion that is caused by large changes in muscle fiber orientation across the myocardial wall and is believed to help lower wall stress and increase cardiac output. It was demonstrated that applied apical torsion (AAT) of the heart could potentially treat congestive heart failure (CHF) by improving hemodynamic function. We report the results of parametric computational experiments where the effects of using a torsional ventricular assist device (tVAD) to treat CHF were examined using a patient-specific bi-ventricular computational model...
March 2, 2017: Annals of Biomedical Engineering
https://www.readbyqxmd.com/read/28252119/metal-diffusion-barriers-for-gaas-solar-cells
#15
R H van Leest, P Mulder, G J Bauhuis, H Cheun, H Lee, W Yoon, R van der Heijden, E Bongers, E Vlieg, J J Schermer
In this study accelerated ageing testing (AAT), J-V characterization and TEM imaging in combination with phase diagram data from literature are used to assess the potential of Ti, Ni, Pd and Pt as diffusion barriers for Au/Cu-based metallization of III-V solar cells. Ni barriers show the largest potential as at an AAT temperature of 250 °C both cells with 10 and 100 nm thick Ni barriers show significantly better performance compared to Au/Cu cells, with the cells with 10 nm Ni barriers even showing virtually no degradation after 7...
March 2, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/28245547/glutamine-glutamate-cycle-flux-is-similar-in-cultured-astrocytes-and-brain-and-both-glutamate-production-and-oxidation-are-mainly-catalyzed-by-aspartate-aminotransferase
#16
REVIEW
Leif Hertz, Douglas L Rothman
The glutamine-glutamate cycle provides neurons with astrocyte-generated glutamate/γ-aminobutyric acid (GABA) and oxidizes glutamate in astrocytes, and it returns released transmitter glutamate/GABA to neurons after astrocytic uptake. This review deals primarily with the glutamate/GABA generation/oxidation, although it also shows similarity between metabolic rates in cultured astrocytes and intact brain. A key point is identification of the enzyme(s) converting astrocytic α-ketoglutarate to glutamate and vice versa...
February 24, 2017: Biology
https://www.readbyqxmd.com/read/28243076/alpha-1-antitrypsin-pi-z-gene-frequency-and-pi-zz-genotype-numbers-worldwide-an-update
#17
Ignacio Blanco, Patricia Bueno, Isidro Diego, Sergio Pérez-Holanda, Francisco Casas-Maldonado, Cristina Esquinas, Marc Miravitlles
In alpha-1 antitrypsin deficiency (AATD), the Z allele is present in 98% of cases with severe disease, and knowledge of the frequency of this allele is essential from a public health perspective. However, there is a remarkable lack of epidemiological data on AATD worldwide, and many of the data currently used are outdated. Therefore, the objective of this study was to update the knowledge of the frequency of the Z allele to achieve accurate estimates of the prevalence and number of Pi*ZZ genotypes worldwide based on studies performed according to the following criteria: 1) samples representative of the general population, 2) AAT phenotyping characterized by adequate methods, and 3) measurements performed using a coefficient of variation calculated from the sample size and 95% confidence intervals...
2017: International Journal of Chronic Obstructive Pulmonary Disease
https://www.readbyqxmd.com/read/28242648/identification-of-novel-chondroprotective-mediators-in-resolving-inflammatory-exudates
#18
Magdalena K Kaneva, Karin V Greco, Sarah E Headland, Trinidad Montero-Melendez, Prashant Mori, Kevin Greenslade, Costantino Pitzalis, Adrian Moore, Mauro Perretti
We hypothesized that exudates collected at the beginning of the resolution phase of inflammation might be enriched for tissue protective molecules; thus an integrated cellular and molecular approach was applied to identify novel chondroprotective bioactions. Exudates were collected 6 h (inflammatory) and 24 h (resolving) following carrageenan-induced pleurisy in rats. The resolving exudate was subjected to gel filtration chromatography followed by proteomics, identifying 61 proteins. Fractions were added to C28/I2 chondrocytes, grown in micromasses, ions with or without IL-1β or osteoarthritic synovial fluids for 48 h...
February 27, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28235643/evolutionary-and-epidemiological-analyses-based-on-spike-genes-of-porcine-epidemic-diarrhea-virus-circulating-in-thailand-in-2008-2015
#19
Christopher J Stott, Gun Temeeyasen, Thitima Tripipat, Pavita Kaewprommal, Angkana Tantituvanont, Jittima Piriyapongsa, Dachrit Nilubol
Porcine epidemic diarrhea (PED) has been endemic causing sporadic outbreaks in Thailand since 2007. In 2014-2015, several herds had experienced severe PED outbreaks and the reason of the re-current outbreaks was unknown. Whether or not the introduction of exotic strains or continual evolution of existing PEDV, genetic analyses would provide a more understanding in its evolutionary pattern. In the study, 117 complete spike gene sequences of Thai PED virus (PEDV) collected from 2008 to 2015 were clustered along with 95 references of PEDV spike sequences, and analyzed with the US sequences dataset (n=99)...
February 21, 2017: Infection, Genetics and Evolution
https://www.readbyqxmd.com/read/28227007/identification-of-blood-biomarkers-for-use-in-point-of-care-diagnosis-tool-for-alzheimer-s-disease
#20
E Jammeh, P Zhao, C Carroll, S Pearson, E Ifeachor, E Jammeh, P Zhao, C Carroll, S Pearson, E Ifeachor, C Carroll, E Jammeh, E Ifeachor, S Pearson, P Zhao
Early diagnosis of Alzheimer's Disease (AD) is widely regarded as necessary to allow treatment to be started before irreversible damage to the brain occur and for patients to benefit from new therapies as they become available. Low-cost point-of-care (PoC) diagnostic tools that can be used to routinely diagnose AD in its early stage would facilitate this, but such tools require reliable and accurate biomarkers. However, traditional biomarkers for AD use invasive cerebrospinal fluid (CSF) analysis and/or expensive neuroimaging techniques together with neuropsychological assessments...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
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