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https://www.readbyqxmd.com/read/29049801/search-for-genetic-factors-in-bicuspid-aortic-valve-disease-acta2-mutations-do-not-play-a-major-role
#1
Giada Tortora, Anita Wischmeijer, Paolo Berretta, Jacopo Alfonsi, Luca Di Marco, Andrea Barbieri, Caterina Marconi, Federica Isidori, Cesare Rossi, Ornella Leone, Roberto Di Bartolomeo, Marco Seri, Davide Pacini
OBJECTIVES: Mutations in ACTA2 have been reported as a cause of familiar thoracic aortic aneurysm (TAA) with associated bicuspid aortic valve (BAV) in some individuals. Our aim is to investigate the role of ACTA2 mutations in BAV associated with TAA in 20 patients. METHODS: We recruited 20 patients who underwent surgery for BAV and TAA; clinical genetic evaluation and ACTA2 mutation analysis were performed on each patient, along with next-generation sequencing analysis of BAV-related genes...
July 27, 2017: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/29048978/antitumor-effect-of-oral-cancer-vaccine-with-bifidobacterium-delivering-wt1-protein-to-gut-immune-system-is-superior-to-wt1-peptide-vaccine
#2
Toshiro Shirakawa, Koichi Kitagawa
Despite the revolutionary progress of immune checkpoint inhibitors (CPIs) for cancer immunotherapy, CPIs are effective only in a subset of patients. Combining CPIs and cancer vaccines to achieve better clinical outcomes is a reasonable approach since CPI enhances cancer vaccine-induced tumor-associated antigen (TAA) specific CTL. Among the various TAAs so far identified, WT1 protein is one of the most promising TAAs as a cancer vaccine target. Until now clinical trials of WT1 vaccine have demonstrated only modest clinical efficacy...
October 19, 2017: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/29042925/calreticulin-is-an-effective-immunologic-adjuvant-to-tumor-associated-antigens
#3
Jun Wang, Zhi Peng Gao, Song Qin, Chang Bai Liu, Li Li Zou
As a key molecule involved in cell recognition, calreticulin (CRT) may be expressed on the surface of (pre-) apoptotic cells and provide the signal that is recognized by dendritic cells (DCs) or other antigen presenting cells (APCs), which results in phagocytosis. Within the APCs, tumor-associated antigens (TAAs) may be subsequently presented to T lymphocytes, which triggers a specific antitumor immune response. It has been hypothesized that CRT is able to act as the immunologic adjuvant and translocate itself and TAAs to the cell surface and induce a specific antitumor immune response...
October 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29038565/prediction-of-high-pressure-phases-of-weyl-semimetal-nbas-and-nbp
#4
Jingyun Zhang, Cuihong Yang, Weifeng Rao, Jian Hao, Yinwei Li
As the first known Weyl semimetals, binary compounds including TaP, TaAs, NbAs, and NbP have received worldwide interest. This work explored the phase behaviours of NbAs and NbP under high pressure up to 200 GPa via first-principles calculations combined with intelligent particle swarm optimization. Upon compression, a new phase of NbAs with P-6m2 symmetry appeared above 23 GPa and remained stable until 38 GPa, whereupon a monoclinic structure with space group P2 1 /c became more energetically favourable...
October 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29037681/improved-analysis-of-anthocyanins-and-vitamin-c-in-blue-purple-potato-cultivars
#5
Liz Gutiérrez-Quequezana, Anssi L Vuorinen, Heikki Kallio, Baoru Yang
Methods were optimized for extraction and quantification of anthocyanins (ACY) and vitamin C in potatoes. Acidified aqueous methanol (70%) was the optimal extraction solvent and freeze-drying significantly improved the extraction yield of ACY. The content of ACY varied widely in five potato cultivars from 0.42 to 3.18mg/g dry weight, with the latter being the highest value found in the Finnish cultivar 'Synkeä Sakari'. Compared with dithiothreitol (DTT), tris(2-carboxyethyl) phosphine hydrochloride (TCEP) was more efficient in reducing dehydroascorbic acid (DHA) to ascorbic acid (AA) and for quantifying the content of total ascorbic acid (TAA)...
March 1, 2018: Food Chemistry
https://www.readbyqxmd.com/read/29035609/single-surgeon-experience-and-complications-of-a-fixed-bearing-total-ankle-arthroplasty
#6
Garett J Pangrazzi, Erin A Baker, Phillip J Shaheen, Chikezie N Okeagu, Paul T Fortin
BACKGROUND: Total ankle arthroplasty (TAA) has historically resulted in inferior survivorship rates compared with total hip and knee arthroplasty, because of technical issues unique to ankle anatomy. In this study, a single-surgeon series of intra- and postoperative complications as well as resultant reoperations/revisions of the Tornier Salto Talaris, a fixed-bearing TAA prosthesis, were reviewed. METHODS: Medical records from index procedure to latest follow-up of primary TAA were reviewed...
October 1, 2017: Foot & Ankle International
https://www.readbyqxmd.com/read/29027218/cell-death-and-immunity-in-cancer-from-danger-signals-to-mimicry-of-pathogen-defense-responses
#7
REVIEW
Abhishek D Garg, Patrizia Agostinis
The immunogenicity of cancer cells is an emerging determinant of anti-cancer immunotherapy. Beyond developing immunostimulatory regimens like dendritic cell-based vaccines, immune-checkpoint blockers, and adoptive T-cell transfer, investigators are beginning to focus on the immunobiology of dying cancer cells and its relevance for the success of anticancer immunotherapies. It is currently accepted that cancer cells may die in response to anti-cancer therapies through regulated cell death programs, which may either repress or increase their immunogenic potential...
November 2017: Immunological Reviews
https://www.readbyqxmd.com/read/28992419/solution-processed-ultrathin-tio2-compact-layer-hybridized-with-mesoporous-tio2-for-high-performance-perovskite-solar-cells
#8
Inyoung Jeong, Yun Hee Park, Seunghwan Bae, Minwoo Park, Hansol Jeong, Phillip Lee, Min Jae Ko
The electron transport layer (ETL) is a key component of perovskite solar cells (PSCs) and must provide efficient electron extraction and collection while minimizing the charge recombination at interfaces in order to ensure high performance. Conventional bilayered TiO2 ETLs fabricated by depositing compact TiO2 (c-TiO2) and mesoporous TiO2 (mp-TiO2) in sequence exhibit resistive losses due to the contact resistance at the c-TiO2/mp-TiO2 interface and the series resistance arising from the intrinsically low conductivity of TiO2...
October 16, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28986380/astrocytes-promote-medulloblastoma-progression-through-hedgehog-secretion
#9
Yongqiang Liu, Larra W Yuelling, Yuan Wang, Fang Du, Renata E Gordon, Jenny O'Brien, Jessica M Y Ng, Shannon Robins, Eric H Lee, Hailong Liu, Tom Curran, Zeng-Jie Yang
Astrocytes, the most abundant type of glial cells in the brain, play critical roles in supporting neuronal development and brain function. While astrocytes have been frequently detected in brain tumors, including medulloblastoma (MB), their functions in tumorigenesis are not clear. Here we demonstrate that astrocytes are essential components of the MB tumor microenvironment. Tumor-associated astrocytes (TAA) secreted the ligand sonic hedgehog (Shh), which is required for maintaining MB cell proliferation despite the absence of its primary receptor Patched-1 (Ptch1)...
October 6, 2017: Cancer Research
https://www.readbyqxmd.com/read/28984845/site-directed-rna-editing-by-adenosine-deaminase-acting-on-rna-adar1-for-correction-of-the-genetic-code-in-gene-therapy
#10
T A Azad, S Bhakta, T Tsukahara
Site-directed RNA editing is an important technique for correcting gene sequences and ultimately tuning protein function. In this study, we engineered the deaminase domain of adenosine deaminase acting on RNA (ADAR1) and the MS2 system to target specific adenosines, with the goal of correcting G-to-A mutations at the RNA level. For this purpose, the ADAR1 deaminase domain was fused downstream of the RNA-binding protein MS2, which has affinity for the MS2 RNA. To direct editing to specific targets, we designed guide RNAs complementary to target RNAs...
October 6, 2017: Gene Therapy
https://www.readbyqxmd.com/read/28984667/ascending-aortic-aneurysm-is-an-inherited-disease-a-contemporary-literature-review-based-on-hill-s-criteria-of-specificity-strength-of-association-and-biological-coherence
#11
Mirza Mujadil Ahmad, Immad Arif Kiani, Khawaja Afzal Ammar, Mirza Nubair Ahmad, Bijoy K Khandheria, Timothy E Paterick, Renuka Jain, A Jamil Tajik
There is growing evidence of a differential etiological basis for thoracic aortic aneurysms (TAA), with ascending (As) TAAs being genetically mediated and descending (Des) TAAs more strongly related to acquired pathologies. A comprehensive literature review of this hypothesis has not been carried out. We carried out a systematic literature review based on the latest guidelines on TAA endorsed by the American Heart Association. The etiologies were classified as genetic and inherited, the studies were tabulated accordingly, and Hill's epidemiological criteria of causality were applied...
November 2017: Cardiology in Review
https://www.readbyqxmd.com/read/28979280/origin-of-taa-genes-in-charophytes-new-insights-into-the-controversy-over-the-origin-of-auxin-biosynthesis
#12
Facundo Romani
No abstract text is available yet for this article.
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28970834/adipocytes-and-macrophages-interplay-in-the-orchestration-of-tumor-microenvironment-new-implications-in-cancer-progression
#13
REVIEW
Luís Henrique Corrêa, Rafael Corrêa, Cecília Menezes Farinasso, Lívia Pimentel de Sant'Ana Dourado, Kelly Grace Magalhães
Inflammation has been known as one of the main keys to the establishment and progression of cancers. Chronic low-grade inflammation is also a strategic condition that underlies the causes and development of metabolic syndrome and obesity. Moreover, obesity has been largely related to poor prognosis of tumors by modulating tumor microenvironment with secretion of several inflammatory mediators by tumor-associated adipocytes (TAAs), which can modulate and recruit tumor-associated macrophages. Thus, the understanding of cellular and molecular mechanisms that underlay and link inflammation, obesity, and cancer is crucial to identify potential targets that interfere with this important route...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28966285/preliminary-evaluation-of-aortic-aneurysm-screening-using-oscillometric-device-equipped-with-novel-algorithm-analyzing-pulse-wave-transfer
#14
Shigeo Ichihashi, Tomoko Hashimoto, Shinichi Iwakoshi, Kenji Obayashi, Keigo Saeki, Kimihiko Kichikawa
BACKGROUND: Detection of aortic aneurysm (AA) prior to rupture is crucial to decreasing its mortality. Towards this purpose, a novel detection algorithm was developed from pulse volume recording (PVR), analyzing the propagation loss of pulse waves caused by expansion of the aortic wall. The diagnostic ability of the algorithm was evaluated in this prospective study.Methods and Results:PVR were measured for 30 s using the oscillometric device designed for automatic measurement of the ankle-brachial index (ABI)...
September 29, 2017: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/28963155/comparison-of-the-outcome-of-total-ankle-arthroplasty-for-osteoarthritis-with-moderate-and-severe-varus-malalignment-and-that-with-neutral-alignment
#15
COMPARATIVE STUDY
S-D Joo, K-B Lee
AIMS: The purpose of this study was to compare the clinical and radiographic outcomes of total ankle arthroplasty (TAA) in patients with pre-operatively moderate and severe arthritic varus ankles to those achieved for patients with neutral ankles. PATIENTS AND METHODS: A total of 105 patients (105 ankles), matched for age, gender, body mass index, and follow-up duration, were divided into three groups by pre-operative coronal plane tibiotalar angle; neutral (< 5°), moderate (5° to 15°) and severe (> 15°) varus deformity...
October 2017: Bone & Joint Journal
https://www.readbyqxmd.com/read/28953991/candesartan-rather-than-losartan-improves-motor-dysfunction-in-thioacetamide-induced-chronic-liver-failure-in-rats
#16
H A Murad, Z J Gazzaz, S S Ali, M S Ibraheem
Minimal hepatic encephalopathy is more common than the acute syndrome. Losartan, the first angiotensin-II receptor blocker (ARB), and candesartan, another widely-used ARB, have protected against developing fibrogenesis, but there is no clear data about their curative antifibrotic effects. The current study was designed to examine their effects in an already-established model of hepatic fibrosis and also their effects on the associated motor dysfunction. Low-grade chronic liver failure (CLF) was induced in 3-month old Sprague-Dawley male rats using thioacetamide (TAA, 50 mg·kg-1·day-1) intraperitoneally for 2 weeks...
September 21, 2017: Brazilian Journal of Medical and Biological Research, Revista Brasileira de Pesquisas Médicas e Biológicas
https://www.readbyqxmd.com/read/28951518/immune-activation-in-early-stage-non-small-cell-lung-cancer-patients-receiving-neoadjuvant-chemotherapy-plus-ipilimumab
#17
John S Yi, Neal Ready, Patrick Healy, Chelsae Dumbauld, Robyn Osborne, Mark Berry, Debra Shoemaker, Jeffrey Clarke, Jeffrey Crawford, Betty C Tong, David Harpole, Thomas A D'Amico, Frances McSherry, Frank Dunphy, Shannon J McCall, Jared D Christensen, Xiaofei Wang, Kent J Weinhold
PURPOSE: To determine the immunologic effects of neoadjuvant chemotherapy plus ipilimumab in early stage non-small cell lung cancer (NSCLC) patients. EXPERIMENTAL DESIGN: This is a single-arm chemotherapy plus phased ipilimumab Phase II study of 24 treatment-naïve patients with Stage IB-IIIA NSCLC. Patients received neoadjuvant therapy consisting of 3 cycles of paclitaxel with either cisplatin or carboplatin and ipilimumab included in the last 2 cycles. RESULTS: Chemotherapy alone had little effect on immune parameters in PBMCs...
September 26, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28947140/co-delivery-of-tumor-derived-exosomes-with-alpha-galactosylceramide-on-dendritic-cell-based-immunotherapy-for-glioblastoma
#18
Hongyu Liu, Ling Chen, Jialin Liu, Hengxing Meng, Rong Zhang, Lin Ma, Liangliang Wu, Songyan Yu, Fei Shi, Ying Li, Lijun Zhang, Lingxiong Wang, Shiyu Feng, Qi Zhang, Yaojun Peng, Qiyan Wu, Chunxi Liu, Xin Chang, Lin Yang, Xinguang Yu, Tianyi Liu
Dendritic cell (DC) vaccine-based immunotherapy for glioblastoma multiforme (GBM) has shown apparent benefit in animal experiments and early-phase clinical trials, but the survival benefit is variable. In this work, we analyzed the mechanism of the potent antitumor immune response induced in vivo by tumor-associated antigen (TAA)-specific DCs with an invariant natural killer T cell (iNKT) adjuvant in orthotopic glioblastoma-bearing rats vaccinated with tumor-derived exosomes and α-galactosylceramide (α-GalCer) -pulsed DCs...
September 23, 2017: Cancer Letters
https://www.readbyqxmd.com/read/28943527/crossing-bridges-between-extra-and-intra-cellular-events-in-thoracic-aortic-aneurysms
#19
Yoshito Yamashiro, Hiromi Yanagisawa
Thoracic aortic aneurysms (TAAs) are common, life-threatening diseases and are a major cause of mortality and morbidity. Over the past decade, genetic approaches have revealed that 1) activation of the transforming growth factor beta (TGF-β) signaling, 2) alterations in the contractile apparatus of vascular smooth muscle cells (SMCs), and 3) defects in the extracellular matrix (ECM) were responsible for development of TAAs. Most recently, a fourth mechanism has been proposed in that dysfunction of mechanosensing in the aortic wall in response to hemodynamic stress may be a key driver of TAAs...
September 22, 2017: Journal of Atherosclerosis and Thrombosis
https://www.readbyqxmd.com/read/28943392/an-integrative-analysis-of-chemically-induced-cirrhosis-associated-hepatocarcinogenesis-histological-biochemical-and-molecular-features
#20
Guilherme Ribeiro Romualdo, Tony Fernando Grassi, Renata Leme Goto, Mariana Baptista Tablas, Lucas Tadeu Bidinotto, Ana Angélica Henrique Fernandes, Bruno Cogliati, Luís Fernando Barbisan
This study aimed the integrative characterization of morphological, biochemical and molecular features of chemically-induced cirrhosis-associated hepatocarcinogenesis. Thus, male Wistar rats were submitted to a diethylnitrosamine (DEN)/thioacetamide (TAA)-induced model. Liver tissue was processed for global gene expression, histopathological and collagen evaluations; as well as immunohistochemical and oxidative stress analysis. Gene Ontology and functional analysis showed the upregulation of extracellular matrix deposition genes, such as collagen type I alpha 1 and 2 (Col1α1 and Col1α2) and tissue inhibitor of metalloproteinase 1 and 2 genes (Timp1 and Timp2)...
September 21, 2017: Toxicology Letters
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