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Wohn-Jenn Leu, Sharada Prasanna Swain, She-Hung Chan, Jui-Ling Hsu, Shih-Ping Liu, Mei-Ling Chan, Chia-Chun Yu, Lih-Ching Hsu, Yen-Lin Chou, Wei-Ling Chang, Duen-Ren Hou, Jih-Hwa Guh
A series of triazole-based small molecules that mimic FTY720-mediated anticancer activity but minimize its immunosuppressive effect have been produced. SPS-7 is the most effective derivative displaying higher activity than FTY720 in anti-proliferation against human hormone-refractory prostate cancer (HRPC). It induced G1 arrest of cell cycle and subsequent apoptosis in thymidine block-mediated synchronization model. The data were supported by a decrease of cyclin D1 expression, a dramatic increase of p21 expression and an associated decrease in RB phosphorylation...
October 19, 2016: Oncotarget
Ernest U Ekpo, Claudia Mello-Thoms, Mary Rickard, Patrick C Brennan, Mark F McEntee
PURPOSE: To assess the agreement between digital breast tomosynthesis (DBT) breast density (BD) assessment made using Quantra™ and fifth edition BI-RADS(®). MATERIALS AND METHODS: This board approved study involved BD assessment of 234 women undergoing DBT investigation. BD estimation was performed from the raw DBT images using Quantra™ 3 (v.2.1.1, Hologic, Bedford MA). BI-RADS(®) assessment was performed using prior digital mammograms displayed simultaneously with 2D images synthesized from DBT by three radiologists using the fifth edition BI-RADS(®) (A, B, C, D)...
October 18, 2016: Breast: Official Journal of the European Society of Mastology
Chong Chen, Kun Liu, Yupeng Xu, Pengwei Zhang, Yan Suo, Yi Lu, Wenyuan Zhang, Li Su, Qing Gu, Huamao Wang, Jianren Gu, Zonghai Li, Xun Xu
Anti-vascular endothelial growth factor (VEGF) therapies are widely used for the treatment of neovascular fundus diseases such as diabetic retinopathy. However, these agents need to be injected intravitreally, because their strong hydrophilicity and high molecular weight prevent them from penetrating cell membranes and complex tissue barriers. Moreover, the repeated injections that are required can cause infection and tissue injury. In this study, we used in vivo-directed evolution phage display technology to identify a novel dodecapeptide, named CC12, with the ability to penetrate the ocular barrier in a noninvasive (via conjunctival sac instillation) or minimally invasive (via retrobulbar injection) manner...
September 30, 2016: Biomaterials
Akira Shiraishi, Jun Murata, Erika Matsumoto, Shin Matsubara, Eiichiro Ono, Honoo Satake
Forsythia spp. are perennial woody plants which are one of the most extensively used medicinal sources of Chinese medicines and functional diets owing to their lignan contents. Lignans have received widespread attention as leading compounds in the development of antitumor drugs and healthy diets for reducing the risks of lifestyle-related diseases. However, the molecular basis of Forsythia has yet to be established. In this study, we have verified de novo deep transcriptome of Forsythia koreana leaf and callus using the Illumina HiSeq 1500 platform...
2016: PloS One
Arne O Melleby, Mari E Strand, Andreas Romaine, Kate M Herum, Biljana Skrbic, Christen P Dahl, Ivar Sjaastad, Arnt E Fiane, Jorge Filmus, Geir Christensen, Ida G Lunde
Pressure overload is a frequent cause of heart failure. Heart failure affects millions of patients worldwide and is a major cause of morbidity and mortality. Cell surface proteoglycans are emerging as molecular players in cardiac remodeling, and increased knowledge about their regulation and function is needed for improved understanding of cardiac pathogenesis. Here we investigated glypicans (GPC1-6), a family of evolutionary conserved heparan sulfate proteoglycans anchored to the extracellular leaflet of the cell membrane, in experimental and clinical heart failure, and explored the function of glypican-6 in cardiac cells in vitro...
2016: PloS One
Mette Trollund Rask, Eva Ørnbøl, Marianne Rosendal, Per Fink
OBJECTIVE: The upcoming International Classification of Diseases, 11th Revision for primary care use suggests inclusion of a new diagnostic construct, bodily (di)stress syndrome (BDS), for individuals with medically unexplained symptoms. We aimed to explore the long-term outcome of BDS in health care costs, work disability, and self-rated health. METHODS: Consecutive patients consulting their family physician for a new health problem were screened for physical and mental symptoms by questionnaires (n = 1785)...
October 20, 2016: Psychosomatic Medicine
Kevin Kalisz, Ji Buethe, Sachin S Saboo, Suhny Abbara, Sandra Halliburton, Prabhakar Rajiah
Computed tomography is vulnerable to a wide variety of artifacts, including patient- and technique-specific artifacts, some of which are unique to imaging of the heart. Motion is the most common source of artifacts and can be caused by patient, cardiac, or respiratory motion. Cardiac motion artifacts can be reduced by decreasing the heart rate and variability and the duration of data acquisition; adjusting the placement of the data window within a cardiac cycle; performing single-heartbeat scanning; and using multisegment reconstruction, motion-correction algorithms, and electrocardiographic editing...
October 21, 2016: Radiographics: a Review Publication of the Radiological Society of North America, Inc
N Platz Batista da Silva, M Schauer, M Hornung, S Lang, L P Beyer, I Wiesinger, C Stroszczynski, E M Jung
OBJECTIVE: To evaluate the efficacy of strain elastography (SE) using semi-quantitative measurement methods compared to constrast enhanced ultrasound during liver tumor surgery (Io-CEUS) for dignity assessment of focal liver lesions(FLL). MATERIAL AND METHODS: Prospective data acquisition and retrospective analysis of US data of 100 patients (116 lesions) who underwent liver tumor surgery between 10/2010 and 03/2016. Retrospective reading of SE color patterns was performed establishing groups depending on dominant color (>50% blue = stiff, inhomogenous, >50% yellow/red/green = soft tissue)...
October 20, 2016: Clinical Hemorheology and Microcirculation
Rita Payan-Carreira, Luis Martins, Sónia Miranda, Pedro Olivério, Severiano R Silva
BACKGROUND: Systems for estimating body condition score (BCS) are currently used in canine practice to monitor fatness levels. These tools are cheap and easy to use but lack the necessary precision to monitor small changes in body fat, particularly during weight control treatments or in research. The present work aims to study the application of real-time ultrasonography (RTU) together with image analysis in the assessment of subcutaneous fat depots in dogs. Ultrasound images were collected from five anatomical locations (chest, flank, abdomen, thigh and lumbar) from 28 healthy dogs of different breeds and with a body weight (BW) ranging from 5...
October 20, 2016: Acta Veterinaria Scandinavica
Navadon Khunlertgit, Byung-Jun Yoon
BACKGROUND: Discovering robust markers for cancer prognosis based on gene expression data is an important yet challenging problem in translational bioinformatics. By integrating additional information in biological pathways or a protein-protein interaction (PPI) network, we can find better biomarkers that lead to more accurate and reproducible prognostic predictions. In fact, recent studies have shown that, "modular markers," that integrate multiple genes with potential interactions can improve disease classification and also provide better understanding of the disease mechanisms...
October 6, 2016: BMC Bioinformatics
Yongsheng Bai, Lizhong Ding, Steve Baker, Jenny M Bai, Ethan Rath, Feng Jiang, Jianghong Wu, Hui Jiang, Gary Stuart
BACKGROUND: MicroRNAs (miRNA) are short nucleotides that interact with their target genes through 3' untranslated regions (UTRs). The Cancer Genome Atlas (TCGA) harbors an increasing amount of cancer genome data for both tumor and normal samples. However, there are few visualization tools focusing on concurrently displaying important relationships and attributes between miRNAs and mRNAs of both cancer tumor and normal samples. Moreover, a deep investigation of miRNA-mRNA target and biological relationships across multiple cancer types by integrating web-based analysis has not been thoroughly conducted...
October 6, 2016: BMC Bioinformatics
John E Clements, Jason R Price, Suzanne M Neville, Cameron J Kepert
Materials that display multiple stepped spin crossover (SCO) transitions with accompanying hysteresis present the opportunity for ternary, quaternary, and quinary electronic switching and data storage but are rare in existence. Herein, we present the first report of a four-step hysteretic SCO framework. Single-crystal structure analysis of a porous 3D Hofmann-like material showed long-range ordering of spin states: HS, HS0.67 LS0.33 , HS0.5 LS0.5 , HS0.33 LS0.67 , and LS. These detailed structural studies provide insight into how multistep SCO materials can be rationally designed through control of host-host and host-guest interactions...
October 21, 2016: Angewandte Chemie
Mikkel Staberg, Signe Regner Michaelsen, Rikke Darling Rasmussen, Mette Villingshøj, Hans Skovgaard Poulsen, Petra Hamerlik
PURPOSE: Glioblastoma (GBM) ranks among the deadliest solid cancers worldwide and its prognosis has remained dismal, despite the use of aggressive chemo-irradiation treatment regimens. Limited drug delivery into the brain parenchyma and frequent resistance to currently available therapies are problems that call for a prompt development of novel therapeutic strategies. While only displaying modest efficacies as mono-therapy in pre-clinical settings, histone deacetylase inhibitors (HDACi) have shown promising sensitizing effects to a number of cytotoxic agents...
October 20, 2016: Cellular Oncology (Dordrecht)
Klaus-Peter Stein, Isabel Wanke, Neriman Oezkan, Yuan Zhu, I Erol Sandalcioglu, Michael Forsting, Ulrich Sure
BACKGROUND: Multiple AVMs are exceptionally rare lesions and only a few larger series have been published, including other vascular pathologies, such as arterio-venous fistulae (AVF) or patients with hereditary syndromes. Our study presents clinical, angiographic, and therapeutic characteristics of patients harboring sporadic multiple AVMs. METHODS: Basic demographic data, vascular architecture, clinical presentation, treatment strategies, and treatment outcome were analyzed retrospectively from patients with cerebral AVMs treated in our department between 1990 and 2015...
October 20, 2016: Acta Neurochirurgica
Gavin Tansley, Barclay T Stewart, Adam Gyedu, Godfred Boakye, Daniel Lewis, Marius Hoogerboord, Charles Mock
BACKGROUND: Surgical disease burden falls disproportionately on individuals in low- and middle-income countries. These populations are also the least likely to have access to surgical care. Understanding the barriers to access in these populations is therefore necessary to meet the global surgical need. METHODS: Using geospatial methods, this study explores the district-level variation of two access barriers in Ghana: poverty and spatial access to care. National survey data were used to estimate the average total household expenditure (THE) in each district...
October 20, 2016: World Journal of Surgery
Sunil Sirohi, Arriel Van Cleef, Jon F Davis
Binge eating and binge alcohol intake are behavioral manifestations of pathological feeding and alcohol use disorder (AUD), respectively. Binge-feeding and AUD have high comorbidity with other psychiatric disorders such as depression, which could have important implications for the management of these conditions. Importantly, these behaviors share many common features suggesting a singular etiology. However, the nature by which binge-feeding affects the development or maintenance of AUD is unclear. The present study examined the impact of a binge-feeding from a nutritionally complete high-fat diet (HFD) on initiation and maintenance of alcohol intake, anxiolytic behavior and central genetic changes in brain regions that control alcohol-reinforced behaviors...
October 17, 2016: Physiology & Behavior
Divya Arora, Nisha Sharma, Venugopal Singamaneni, Vishal Sharma, Manoj Kushwaha, Vidushi Abrol, Santosh Guru, Sonia Sharma, Ajai Prakash Gupta, Shashi Bhushan, Sundeep Jaglan, Prasoon Gupta
BACKGROUND: The genus Xylaria has been reported as a rich source of biologically active secondary metabolites. In the present study, an endophytic fungus Xylaria psidii has been isolated from the leaf sample of Aegle marmelos (L.) Corr., characterized on the basis of its morphological features and sequence data for the ITS region (KU291350) of the nuclear ribosomal DNA. Biological screening of ethyl acetate extract of Xylaria psidii displayed a potential therapeutic effect on pancreatic cancer cells...
November 15, 2016: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
Antonella Conforti, Nadia Starc, Simone Biagini, Luigi Tomao, Angela Pitisci, Mattia Algeri, Pietro Sirleto, Antonio Novelli, Giulia Grisendi, Olivia Candini, Cintia Carella, Massimo Dominici, Franco Locatelli, Maria Ester Bernardo
The risk of malignant transformation of ex-vivo expanded human mesenchymal stromal cells (huMSCs) has been debated in the last years; however, the biosafety of these cells after exposure to supramaximal physical and chemical stress has never been systematically investigated.We established an experimental in vitro model to induce supramaximal physical (ionizing radiation, IR) and chemical (starvation) stress on ex-vivo expanded bone marrow (BM)-derived huMSCs and investigated their propensity to undergo malignant transformation...
October 15, 2016: Oncotarget
Qiang Zhang, Yaqing Zhang, Joshua D Parsels, Ines Lohse, Theodore S Lawrence, Marina Pasca di Magliano, Yi Sun, Meredith A Morgan
Pancreatic cancers driven by KRAS mutations require additional mutations for tumor progression. The tumor suppressor FBXW7 is altered in pancreatic cancers, but its contribution to pancreatic tumorigenesis is unknown. To determine potential cooperation between Kras mutation and Fbxw7 inactivation in pancreatic tumorigenesis, we generated P48-Cre;LSL-Kras(G12D);Fbxw7(fl/fl) (KFC(fl/fl)) compound mice. We found that KFC(fl/fl) mice displayed accelerated tumorigenesis: all mice succumbed to pancreatic ductal adenocarcinoma (PDA) by 40 days of age, with PDA onset occurring by 2 weeks of age...
October 17, 2016: Neoplasia: An International Journal for Oncology Research
E Matyja, W Grajkowska, K Stępień, E Naganska
Pilocytic astrocytomas (PAs) are the most frequent primary astroglial tumours affecting children and adolescents. They occur sporadically or in association with a genetically determined syndrome - neurofibromatosis type 1. Classic PA usually manifests as a well-circumscribed, often cystic, slowly growing tumour, which corresponds to WHO grade I. The majority of pilocytic tumours arise along the neuraxis, predominantly in the cerebellum. They are associated with favourable long-term outcome or spontaneous regression, even after incomplete resection...
2016: Folia Neuropathologica
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