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https://www.readbyqxmd.com/read/29218618/metal-artifact-reduction-mri-of-total-ankle-arthroplasty-implants
#1
Cesar de Cesar Netto, Lucas F Fonseca, Benjamin Fritz, Steven E Stern, Esther Raithel, Mathias Nittka, Lew C Schon, Jan Fritz
OBJECTIVES: To assess high-bandwidth and compressed sensing-(CS)-SEMAC turbo spin echo (TSE) techniques for metal artifact reduction MRI of total ankle arthroplasty (TAA) implants. METHODS: Following institutional approval and consent, 40 subjects with TAA implants underwent 1.5-T MRI prospectively. Evaluations included bone-implant interfaces, anatomical structures, abnormal findings and differential diagnoses before and after MRI. AUCs of P-P plots were used to determine superiority...
December 7, 2017: European Radiology
https://www.readbyqxmd.com/read/29209732/identification-and-fine-mapping-of-a-stay-green-gene-brnye1-in-pakchoi-brassica-campestris-l-ssp-chinensis
#2
Nan Wang, Zhiyong Liu, Yun Zhang, Chengyu Li, Hui Feng
Using bulked segregant analysis combined with next-generation sequencing, we delimited the Brnye1 gene responsible for the stay-green trait of nye in pakchoi. Sequence analysis identified Bra019346 as the candidate gene. "Stay-green" refers to a plant trait whereby leaves remain green during senescence. This trait is useful in the cultivation of pakchoi (Brassica campestris L. ssp. chinensis), which is marketed as a green leaf product. This study aimed to identify the gene responsible for the stay-green trait in pakchoi...
December 5, 2017: TAG. Theoretical and Applied Genetics. Theoretische und Angewandte Genetik
https://www.readbyqxmd.com/read/29209575/trial-watch-dna-based-vaccines-for-oncological-indications
#3
REVIEW
Stefano Pierini, Renzo Perales-Linares, Mireia Uribe-Herranz, Jonathan G Pol, Laurence Zitvogel, Guido Kroemer, Andrea Facciabene, Lorenzo Galluzzi
DNA-based vaccination is a promising approach to cancer immunotherapy. DNA-based vaccines specific for tumor-associated antigens (TAAs) are indeed relatively simple to produce, cost-efficient and well tolerated. However, the clinical efficacy of DNA-based vaccines for cancer therapy is considerably limited by central and peripheral tolerance. During the past decade, considerable efforts have been devoted to the development and characterization of novel DNA-based vaccines that would circumvent this obstacle...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/29209457/anti-fibrotic-effects-of-orostachys-japonicus-a-berger-crassulaceae-on-hepatic-stellate-cells-and-thioacetamide-induced-fibrosis-in-rats
#4
Sushruta Koppula, Mun-Jeong Yum, Jin-Seoub Kim, Gwang-Mo Shin, Yun-Jin Chae, Tony Yoon, Chi-Su Chun, Jae-Dong Lee, MinDong Song
BACKGROUND/OBJECTIVE: Orostachys japonicus A. Berger (Crassulaceae) has been used in traditional herbal medicines in Korea and other Asian countries to treat various diseases, including liver disorders. In the present study, the anti-fibrotic effects of O. japonicus extract (OJE) in cellular and experimental hepatofibrotic rat models were investigated. MATERIALS/METHODS: An in vitro hepatic stellate cells (HSCs) system was used to estimate cell viability, cell cycle and apoptosis by MTT assay, flow cytometry, and Annexin V-FITC/PI staining techniques, respectively...
December 2017: Nutrition Research and Practice
https://www.readbyqxmd.com/read/29209344/qtl-analysis-of-transgressive-nematode-resistance-in-tetraploid-cotton-reveals-complex-interactions-in-chromosome-11-regions
#5
Congli Wang, Mauricio Ulloa, Tra T Duong, Philip A Roberts
Transgressive segregation in cotton (Gossypium spp.) provides an important approach to enhance resistance to the major pest root-knot nematode (RKN) Meloidogyne incognita. Our previous studies reported transgressive RKN resistance in an intraspecific Gossypium hirsutum resistant NemX × susceptible SJ-2 recombinant inbred line (RIL) population and early generations of interspecific cross Gossypium barbadense (susceptible Pima S-7) × G. hirsutum (NemX). However, the underlying functional mechanisms for this phenomenon are not known...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/29205328/quantitative-analysis-of-hepatic-macro-and-microvascular-alterations-during-cirrhogenesis-in-the%C3%A2-rat
#6
Geert Peeters, Charlotte Debbaut, Adrian Friebel, Pieter Cornillie, Winnok H De Vos, Kasper Favere, Ingrid Vander Elst, Tim Vandecasteele, Tim Johann, Luc Van Hoorebeke, Diethard Monbaliu, Dirk Drasdo, Stefan Hoehme, Wim Laleman, Patrick Segers
Cirrhosis represents the end-stage of any persistent chronically active liver disease. It is characterized by the complete replacement of normal liver tissue by fibrosis, regenerative nodules, and complete fibrotic vascularized septa. The resulting angioarchitectural distortion contributes to an increasing intrahepatic vascular resistance, impeding liver perfusion and leading to portal hypertension. To date, knowledge on the dynamically evolving pathological changes of the hepatic vasculature during cirrhogenesis remains limited...
December 4, 2017: Journal of Anatomy
https://www.readbyqxmd.com/read/29204794/thoracic-aortic-aneurysm-unlocking-the-silent-killer-secrets
#7
Ayman A Saeyeldin, Camilo A Velasquez, Syed Usman B Mahmood, Adam J Brownstein, Mohammad A Zafar, Bulat A Ziganshin, John A Elefteriades
Thoracic aortic aneurysm (TAA) is an increasingly recognized condition that is often diagnosed incidentally. This review discusses ten of the most relevant epidemiological and clinical secrets of this disease; (1) the difference in pathogenesis between ascending and descending TAAs. TAAs at these two sites act as different diseases, which is related to the different embryologic origins of the ascending and descending aorta. (2) The familial pattern and genetics of thoracic aneurysms. Syndromic TAAs only explain 5% of the pattern of inheritance...
December 4, 2017: General Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/29199549/characterization-of-moderately-halotolerant-selenate-and-tellurite-reducing-bacteria-isolated-from-brackish-areas-in-osaka
#8
Satoshi Soda, Wenbo Ma, Masashi Kuroda, Hiroshi Nishikawa, Yuanyuan Zhang, Michihiko Ike
Moderately halotolerant selenate- and tellurite-reducing bacteria were characterized for wastewater treatment applications. A selenate-reducing strain 9a was isolated from the biofilm of a leachate treatment plant at a sea-based waste disposal site. A tellurite-reducing strain Taa was isolated from an enrichment culture derived from brackish sediment. Both bacterial strains were Shewanella species. Strain 9a could anaerobically remove 45-70% of 1.0 mM selenate and selenite from water containing up to 3% NaCl within 4 days, while strain Taa could anaerobically and aerobically remove 70-90% of 0...
December 4, 2017: Bioscience, Biotechnology, and Biochemistry
https://www.readbyqxmd.com/read/29196384/trends-in-joint-replacement-surgery-in-patients-with-rheumatoid-arthritis
#9
Bradley L Young, Shawna L Watson, Jorge L Perez, Gerald McGwin, Jasvinder A Singh, Brent A Ponce
OBJECTIVE: This study analyzed trends in large total joint arthroplasties (TJA) and in the proportion of these procedures performed on patients with rheumatoid arthritis (RA). METHODS: The US Nationwide Inpatient Sample (2002-2012) was used to identify the incidences of total shoulder (TSA), elbow (TEA), knee (TKA), hip (THA), and ankle (TAA) arthroplasty and the proportion of these performed with coexisting RA. RESULTS: The prevalence of RA among patients with TJA increased 3...
December 1, 2017: Journal of Rheumatology
https://www.readbyqxmd.com/read/29186357/outcome-of-ankle-arthrodesis-and-ankle-prosthesis-a-review-of-the-current-status
#10
Nicola Maffulli, Umile Giuseppe Longo, Joel Locher, Giovanni Romeo, Giuseppe Salvatore, Vincenzo Denaro
Introduction: In advanced stages of ankle osteoarthritis (OA), ankle arthrodesis (AA) or total ankle arthroplasty (TAR) may be necessary. Our purpose is to compare AA and total ankle replacement for the surgical management of end stage ankle OA. Sources of data: We conducted a literature search of PubMed, Medline, CINAHL, Cochrane, Embase and Google Scholar databases using the terms 'ankle' in combination with 'OA', 'arthrodesis', 'arthroplasty', 'joint fusion', 'joint replacement'...
November 23, 2017: British Medical Bulletin
https://www.readbyqxmd.com/read/29180002/melatonin-mitigates-thioacetamide-induced-hepatic-fibrosis-via-antioxidant-activity-and-modulation-of-proinflammatory-cytokines-and-fibrogenic-genes
#11
Mohamed A Lebda, Kadry M Sadek, Tarek K Abouzed, Hossam G Tohamy, Yasser S El-Sayed
AIMS: The potential antifibrotic effects of melatonin against induced hepatic fibrosis were explored. MAIN METHODS: Rats were allocated into four groups: placebo; thioacetamide (TAA) (200mg/kg bwt, i.p twice weekly for two months); melatonin (5mg/kgbwt, i.p daily for a week before TAA and continued for an additional two months); and melatonin plus TAA. Hepatic fibrotic changes were evaluated biochemically and histopathologically. Hepatic oxidative/antioxidative indices were assessed...
November 24, 2017: Life Sciences
https://www.readbyqxmd.com/read/29175316/inhibition-of-tumor-growth-by-mouse-ror1-specific-antibody-in-a-syngeneic-mouse-tumor-model
#12
Hadi Hassannia, Mohammad Mehdi Amiri, Farhad Jadidi-Niaragh, Reza Hosseini-Ghatar, Jalal Khoshnoodi, Ramezan-Ali Sharifian, Forough Golsaz-Shirazi, Mahmood Jeddi-Tehrani, Fazel Shokri
INTRODUCTION: Immunotherapy with tumor-associated antigens (TAAs) is a potentially powerful approach to eradicate tumor cells. The receptor tyrosine kinase-like orphan receptor 1 (ROR1) plays a crucial role for survival of tumor cells and is overexpressed in various malignancies. In the present study, we developed a syngeneic mouse tumor model to assess anti-tumor effect of mouse ROR1 specific polyclonal antibody (pAb) in vivo. MATERIALS AND METHODS: Mouse ROR1 specific antibody was produced in rabbit using recombinant ROR1 protein...
November 22, 2017: Immunology Letters
https://www.readbyqxmd.com/read/29173484/strontium-and-oxidative-stress-in-normal-pregnancy
#13
Clara Barneo-Caragol, Eduardo Martínez-Morillo, Susana Rodríguez-González, Paloma Lequerica-Fernández, Ignacio Vega-Naredo, Francisco V Álvarez Menéndez
BACKGROUND: Pregnancy brings about metabolic and oxidative changes that involve various trace elements and oxidative stress. Strontium (Sr) is a trace element scarcely studied in this context, although it has been suggested that it may play a role in the pathophysiology of preeclampsia. The main aim of this study was to evaluate Sr concentrations and oxidative status in normal pregnancy. METHODS: The study population included non-pregnant women (n=31), healthy pregnant women in the first (n=50), second (n=51) and third (n=53) trimesters of gestation, and women in postpartum period (n=31)...
January 2018: Journal of Trace Elements in Medicine and Biology
https://www.readbyqxmd.com/read/29170084/serum-anti-topo48-autoantibody-as-a-biomarker-for-early-diagnosis-and-prognosis-in-patients-with-esophageal-squamous-cell-carcinoma
#14
Jian-Bo Zhang, Mei Cao, Jie Chen, Shang-Rong Ye, Ke Xie, Xu He, Xiao-Li Ma, Jia Zhang, Shang-Mian Yie
BACKGROUND AND AIM: We previously reported a novel tumor associated antigen (TTA) with molecular weight around 48kDa that is a fragment derived from human DNA-topoiomerase I (TOP1). We termed the novel TAA as TOPO48 and termed autoantibody against the TAA as anti-TOPO48 autoantibody. The aim of this study is to further investigate the clinical applications of the autoantibody in patients with esophageal squamous cell carcinomas (ESCC). METHODS: Serum levels of the anti-TOPO48 autoantibody in 112 ESCC patients, 112 age- and gender-matched healthy controls and 75 patients with esophageal benign tumors were determined by using a specific anti-TOPO48 autoantibody ELISA...
November 20, 2017: Clinics and Research in Hepatology and Gastroenterology
https://www.readbyqxmd.com/read/29165337/mirnome-profiling-in-bicuspid-aortic-valve-associated-aortopathy-by-next-generation-sequencing
#15
Andrea Borghini, Ilenia Foffa, Silvia Pulignani, Cecilia Vecoli, Lamia Ait-Ali, Maria Grazia Andreassi
The molecular mechanisms underlying thoracic aortic aneurysm (TAA) in patients with bicuspid aortic valve (BAV) are incompletely characterized. MicroRNAs (miRNAs) may play a major role in the different pathogenesis of aortopathy. We sought to employ next-generation sequencing to analyze the entire miRNome in TAA tissue from patients with BAV and tricuspid aortic valve (TAV). In the discovery stage, small RNA sequencing was performed using the Illumina MiSeq platform in 13 TAA tissue samples (seven patients with BAV and six with TAV)...
November 22, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29163540/local-high-dose-radiotherapy-induces-systemic-immunomodulating-effects-of-potential-therapeutic-relevance-in-oligometastatic-breast-cancer
#16
Elena Muraro, Carlo Furlan, Michele Avanzo, Debora Martorelli, Elisa Comaro, Aurora Rizzo, Damiana A Fae', Massimiliano Berretta, Loredana Militello, Alessandro Del Conte, Simon Spazzapan, Riccardo Dolcetti, Marco Trovo'
Local irradiation of cancer through radiotherapy can induce spontaneous regression of non-directly irradiated lesions, suggesting the involvement of systemic antitumor immune responses. In oligometastatic breast cancer (BC) patients, the use of stereotactic body radiotherapy (SBRT) favors the local control of treated lesions and may contribute to break local tolerance and release tumor-associated antigens (TAAs), improving host antitumor immunity. We performed a detailed immunomonitoring of BC patients undergoing SBRT to verify its ability to "switch on" the anti-tumor immunity both systemically, in peripheral blood, and locally, employing in vitro BC models...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/29162670/pu-1-deficient-mice-are-resistant-to-thioacetamide-induced-hepatic-fibrosis-pu-1-finely-regulates-sirt1-expression-via-transcriptional-promotion-of-mir-34a-29c-in-hscs
#17
Qing Liu, Yongming Zhang, Songzhu Yang, Yanfang Wu, Jiantao Wang, Weiwei Yu, Yanguo Liu
PU.1 is a critical transcription factor involving in many pathological processes. However, its exact role in activation of hepatic stellate cells (HSCs) and liver fibrosis was rarely reported. Here, we found that, in HSCs of PU.1(+/-) mice, Sirt1 mRNA expression was not changed but Sirt1 protein was significantly increased, suggesting its promoting role in Sirt1 translation. We then isolated HSCs from WT and PU.1(+/-) mice, and the pcDNA-PU.1 expression vector was transfected into PU.1(+/-) HSCs. We checked the levels of miR-34a and miR-29c, two Sirt1-targeting miRNAs, and protein levels of PU...
November 21, 2017: Bioscience Reports
https://www.readbyqxmd.com/read/29160727/a-review-of-perioperative-complications-of-outpatient-total-ankle-arthroplasty
#18
Todd R Borenstein, Kapil Anand, Quanlin Li, Timothy P Charlton, David B Thordarson
BACKGROUND: Total ankle arthroplasty (TAA) is commonly pursued for patients with painful arthritis. Outpatient TAA are increasingly common and have been shown to decrease costs compared to inpatient surgery. However, there are very few studies examining the safety of outpatient TAA. In this study, we retrospectively reviewed 65 consecutive patients who received outpatient TAA to identify complication rates. METHODS: The medical records of 65 consecutive outpatient TAA from October 2012 to May 2016 with a minimum 6-month follow-up were reviewed...
November 1, 2017: Foot & Ankle International
https://www.readbyqxmd.com/read/29158612/detection-of-pathological-changes-in-the-aorta-during-thoracic-aortic-aneurysm-progression-on-molecular-level
#19
Miroslava Rabajdová, Peter Urban, Ivana Špaková, Artemiou Panagiotis, Michaela Ferenčáková, Dušan Rybár, Nikita Bobrov, František Sabol, Mária Mareková
The progression of thoracic aortic aneurysm depends on regulation of aortic wall homeostasis and on changes in the structural components of the extracellular matrix, which are affected by multiple molecular signalling pathways. We decided to correlate the diameter of ascending thoracic aneurysm with gene expression of inflammation markers (IL-6, CRP), cytokine receptors (IL-6R, TNFR1, and TNFR2), and extracellular matrix components (Emilin-1, MMP9, and TIMP) for detection of the degree of pathological process of TAA formation...
2017: Disease Markers
https://www.readbyqxmd.com/read/29152065/kahweol-decreases-hepatic-fibrosis-by-inhibiting-the-expression-of-connective-tissue-growth-factor-via-the-transforming-growth-factor-beta-signaling-pathway
#20
Hye-Young Seo, Yun-A Jung, So-Hee Lee, Jae Seok Hwang, Keun-Gyu Park, Mi-Kyung Kim, Byoung Kuk Jang
Kahweol is a diterpene molecule found in Coffea Arabica beans. Previous studies have shown that coffee reduces liver fibrosis, but it is not clear which component of coffee has the protective effect. In this study, we examined whether kahweol has a protective effect on hepatic fibrosis in vivo and in vitro. Kahweol decreased hepatic fibrosis by inhibiting connective tissue growth factor (CTGF) expression in thioacetamide (TAA)-treated mice. The expression of phospho-Smad3, signal transducer and activator of transcription 3 (STAT3), extracellular signal-regulated kinases (ERK), and c-Jun N-terminal protein kinase (JNK) increased in the livers of TAA-treated mice and decreased in the kahweol-treated group...
October 20, 2017: Oncotarget
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