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Yangyang Shen, Pang Li, Kai Cui, Zhendan Wang, Fachang Yu, He Tian, Sheng Li
OBJECTIVES: Curative hepatectomy and tumor thrombectomy for hepatocellular carcinoma with complicating biliary tumor thrombosis (HCC/BTT) is associated with high surgical morbidity and mortality. This retrospective study evaluated the effectiveness and safety of neoadjuvant transcatheter arterial chemoembolization (TACE) in HCC/BTT patients scheduled for curative resection. METHODS: Thirty consecutive patients with diagnosed HCC/BTT were hospitalized for neoadjuvant TACE and elective curative liver resection (group A; n=20) or curative liver resection alone (group B; n=10)...
October 21, 2016: International Journal of Technology Assessment in Health Care
Schammim Ray Amith, Krista Marie Vincent, Jodi Marie Wilkinson, Lynne Marie Postovit, Larry Fliegel
Mounting evidence supports a major role for the Na(+)/H(+) exchanger NHE1 in cancer progression and metastasis. NHE1 is hyperactive at the onset of oncogenic transformation, resulting in intracellular alkalinization and extracellular microenvironmental acidification. These conditions promote invasion and facilitate metastasis. However, the signal pathways governing the regulation of exchanger activity are still unclear. This is especially important in the aggressively metastatic, triple-negative basal breast cancer subtype...
October 15, 2016: Cellular Signalling
Javaid Ali Gadahi, Muhammad Ehsan, Shuai Wang, ZhenChao Zhang, Yujian Wang, RuoFeng Yan, XiaoKai Song, LiXin Xu, XiangRui Li
14-3-3 proteins have been found to be an excreted/secreted antigen and assumed to be released into the host-parasite interface and described in several unicellular and multicellular parasites. However, little is known about the immunomodulatory effects of H. controtus 14-3-3 protein on host cell. In present study, 14-3-3 isoform 2 gene, designated as Hcftt-2, was amplified by reverse transcription-polymerase chain reaction (RT-PCR) from the adult H. contortus cDNA and cloned into expression plasmid pET32a (+) and expression of the recombinant protein (rHcftt-2) was induced by IPTG...
October 14, 2016: Experimental Parasitology
Manabu Koike, Yasutomo Yutoku, Aki Koike
Understanding the molecular mechanisms of DNA double-strand break (DSB) repair processes, especially nonhomologous DNA-end joining (NHEJ), is critical for developing next-generation radiotherapies and chemotherapeutics for human and animal cancers. The localization, protein-protein interactions and post-translational modifications of core NHEJ factors, such as human Ku70 and Ku80, might play critical roles in controlling NHEJ activity. XRCC4-like factor (XLF) is a core NHEJ factor and plays a key role in the Ku-dependent NHEJ repair process in human cells...
October 14, 2016: Journal of Veterinary Medical Science
Juncal Fernández-Orth, Petra Ehling, Tobias Ruck, Susann Pankratz, Majella-Sophie Hofmann, Peter Landgraf, Daniela C Dieterich, Karl-Heinz Smalla, Thilo Kähne, Guiscard Seebohm, Thomas Budde, Heinz Wiendl, Stefan Bittner, Sven G Meuth
K2P 5.1 channels (also called TASK-2 or KCNK5) have already been shown to be relevant in the pathophysiology of autoimmune disease since they are known to be upregulated on peripheral and central T lymphocytes of multiple sclerosis (MS) patients. Moreover, overexpression of K2P 5.1 channels in vitro provokes enhanced T-cell effector functions. However, the molecular mechanisms regulating intracellular K2P 5.1 channel trafficking are unknown so far. Thus, the aim of the study is to elucidate the trafficking of K2P 5...
October 15, 2016: Traffic
Xue-Jiao Chang, Chao-Qun Zheng, Yu-Wei Wang, Chuang Meng, Xiao-Lu Xie, Hai-Peng Liu
Gradually increasing atmospheric CO2 partial pressure (pCO2) has caused an imbalance in carbonate chemistry and resulted in decreased seawater pH in marine ecosystems, termed seawater acidification. Anthropogenic seawater acidification is postulated to affect the physiology of many marine calcifying organisms. To understand the possible effects of seawater acidification on the proteomic responses of a marine crustacean brine shrimp (Artemia sinica) three groups of cysts were hatched and further raised in seawater at different pH levels (8...
October 7, 2016: Fish & Shellfish Immunology
Namgyu Kim, Jinnyun Kim, Bongjun Bang, Inyoung Kim, Hyun-Hee Lee, Jungwook Park, Young-Su Seo
Tomato yellow leaf curl virus (TYLCV), a member of the genus Begomovirus, is one of the most important viruses of cultivated tomatoes worldwide, mainly causing yellowing and curling of leaves with stunting in plants. TYLCV causes severe problems in sub-tropical and tropical countries, as well as in Korea. However, the mechanism of TYLCV infection remains unclear, although the function of each viral component has been identified. TYLCV C4 codes for a small protein involved in various cellular functions, including symptom determination, gene silencing, viral movement, and induction of the plant defense response...
October 2016: Plant Pathology Journal
Tanwir Habib, Ameera Sadoun, Nancy Nader, Shigeru Suzuki, Wei Liu, Puthen V Jithesh, Tomoshige Kino
Glucocorticoids are important therapeutic compounds for acute lymphoblastic leukemia (ALL). AKT1 or the protein kinase B is frequently activated in ALL, and contributes to the development of glucocorticoid resistance. We examined impact of AKT1 on glucocorticoid receptor (GR)-induced transcriptional activity in cooperation with phospho-serine/threonine-binding protein 14-3-3. AKT1 has two distinct actions on GR transcriptional activity, one through segregation of GR in the cytoplasm by phosphorylating GR at Ser-134 and subsequent association of 14-3-3, and the other through direct modulation of GR transcriptional activity in the nucleus...
October 4, 2016: Molecular and Cellular Endocrinology
Meiying Li, Licheng Ren, Biyu Xu, Xiaoliang Yang, Qiyu Xia, Pingping He, Susheng Xiao, Anping Guo, Wei Hu, Zhiqiang Jin
Plant 14-3-3 proteins act as critical components of various cellular signaling processes and play an important role in regulating multiple physiological processes. However, less information is known about the 14-3-3 gene family in banana. In this study, 25 14-3-3 genes were identified from the banana genome. Based on the evolutionary analysis, banana 14-3-3 proteins were clustered into ε and non-ε groups. Conserved motif analysis showed that all identified banana 14-3-3 genes had the typical 14-3-3 motif...
2016: Frontiers in Plant Science
Wern-Joo Sohn, Jae-Young Kim, Dongbum Kim, Jeong-A Park, Younghee Lee, Hyung-Joo Kwon
Transmembrane and coiled-coil domain family 3 (TMCC3) has been reported to be expressed in the human brain; however, its function is still unknown. Here, we found that expression of TMCC3 is higher in human whole brain, testis and spinal cord compared to other human tissues. TMCC3 was expressed in mouse developing hind brain, lung, kidney and somites, with strongest expression in the mesenchyme of developing tongue. By expression of recombinant TMCC3 and its deletion mutants, we found that TMCC3 proteins self-assemble to oligomerize...
September 29, 2016: BMB Reports
Qi Shi, Wei Zhou, Cao Chen, Chen Gao, Kang Xiao, Jing Wang, Bao-Yun Zhang, Yuan Wang, Feng Zhang, Xiao-Ping Dong
The surveillance of CJD or human prion diseases (PrDs) has been conducted for ten years in China. To evaluate the quality of China CJD surveillance system, the collections of the clinical and epidemiological information, the sampling, the clinical examinations and laboratory tests and follow-up survey were separately analyzed based on the data from 2010 to 2015. The obtaining rates of clinical-information table, epidemiological-information table, sample inspection sheet and medical record of the referring patients from reporting units to the center of CJD surveillance maintained or reached at very high levels, being close to 100% in the past three years...
October 3, 2016: Prion
Rodrigo Bagur, Patrick J Teefy, Bob Kiaii, Pantelis Diamantouros, Michael W A Chu
BACKGROUND: Transcatheter aortic valve implantation (TAVI) has become a therapeutic alternative for patients presenting with severe symptomatic aortic stenosis and considered at high-surgical risk. Paravalvular leak (PVL), conduction disorders, and coronary obstruction remain unresolved procedure-related complications. The aim of this manuscript was to report the first North American experience with the ACURATE-neo(TM) aortic bioprosthesis and its ACURATE-TF(TM) delivery system (Symetis S...
September 28, 2016: Catheterization and Cardiovascular Interventions
Simone M Schoenwaelder, Roxane Darbousset, Susan L Cranmer, Hayley S Ramshaw, Stephanie L Orive, Sharelle Sturgeon, Yuping Yuan, Yu Yao, James R Krycer, Joanna Woodcock, Jessica Maclean, Stuart Pitson, Zhaohua Zheng, Darren C Henstridge, Dianne van der Wal, Elizabeth E Gardiner, Michael C Berndt, Robert K Andrews, David E James, Angel F Lopez, Shaun P Jackson
The 14-3-3 family of adaptor proteins regulate diverse cellular functions including cell proliferation, metabolism, adhesion and apoptosis. Platelets express numerous 14-3-3 isoforms, including 14-3-3ζ, which has previously been implicated in regulating GPIbα function. Here we show an important role for 14-3-3ζ in regulating arterial thrombosis. Interestingly, this thrombosis defect is not related to alterations in von Willebrand factor (VWF)-GPIb adhesive function or platelet activation, but instead associated with reduced platelet phosphatidylserine (PS) exposure and procoagulant function...
2016: Nature Communications
Sharon M Holder, Kenneth Rogers, Eunice Peterson, Robbie Shoenleben, Dawn Blackhurst
OBJECTIVES: This study assessed improvement in the emergency department (ED) length of stay and costs after implementation of an ED program which added board-certified psychiatrists and trained psychiatric social workers to the pediatric ED. METHODS: A retrospective medical record and administrative data review were conducted for all pediatric psychiatric visits of children aged 5 to 18 years who were seen and discharged from the Greenville Memorial Hospital ED between January 1, 2007, and June 31, 2013...
September 23, 2016: Pediatric Emergency Care
Silvia Koscova, Dana Zakova Slivarichova, Ivana Tomeckova, Katarina Melicherova, Martin Stelzer, Alzbeta Janakova, Dana Kosorinova, Girma Belay, Eva Mitrova
Creutzfeldt-Jakob disease is a rare, but rapidly progressive, up to now untreatable and fatal neurodegenerative disorder. Clinical diagnosis of Creutzfeldt-Jakob disease (CJD) is difficult; however, it can be facilitated by suitable biomarkers. Aim of the present study is to compare levels of cerebrospinal fluid biomarkers (total tau protein, phosphorylated-tau protein, protein 14-3-3 and amyloid beta) in Slovak population of CJD suspect cases, retrospectively in over a 10-year period. One thousand three hundred sixty-four CSF samples from patients with suspect CJD, forming a homogenous group in terms of geographical as well as of equal transport conditions, storage and laboratory processing, were analysed...
September 24, 2016: Molecular Neurobiology
Yanbin Zhang, Yue Liu, Yingjiang Ye, Danhua Shen, Hui Zhang, Hongyan Huang, Sha Li, Shan Wang, Jun Ren
PURPOSE: To evaluate a new strategy for profiling proteomic changes in colorectal cancer (CRC). METHODES: We used laser capture microdissection (LCM) to obtain cells from 20 CRC and paired normal mucosal tissues. The differential proteins between the microdissected tumor cells and normal mucosa epithelia were analyzed by acetylation stable isotopic labeling coupled with L linear ion trap Fourier transform ion cyclotron resonance mass spectrometry (LTQ-FT MS). Western blotting was used to assess the differential expression of proteins...
September 22, 2016: Journal of Cancer Research and Clinical Oncology
Juhong Liu, Jianqiang Shen, Yan Xu, Xianghua Li, Jinghua Xiao, Lizhong Xiong
CONSTANS (CO)-like genes have been intensively investigated for their roles in the regulation of photoperiodic flowering, but very limited information has been reported on their functions in other biological processes. Here, we found that a CO-like gene, Ghd2 (Grain number, plant height, and heading date2), which can increase the yield potential under normal growth condition just like its homologue Ghd7, is involved in the regulation of leaf senescence and drought resistance. Ghd2 is expressed mainly in the rice (Oryza sativa) leaf with the highest level detected at the grain-filling stage, and it is down-regulated by drought stress conditions...
October 2016: Journal of Experimental Botany
Kristina L Modjeski, Sara K Ture, David J Field, Scott J Cameron, Craig N Morrell
Thrombosis-associated pathologies, such as myocardial infarction and stroke, are major causes of morbidity and mortality worldwide. Because platelets are necessary for hemostasis and thrombosis, platelet directed therapies must balance inhibiting platelet function with bleeding risk. Glutamate receptor interacting protein 1 (GRIP1) is a large scaffolding protein that localizes and organizes interacting proteins in other cells, such as neurons. We have investigated the role of GRIP1 in platelet function to determine its role as a molecular scaffold in thrombus formation...
2016: PloS One
Lisa Buvall, Hanna Wallentin, Jonas Sieber, Svetlana Andreeva, Hoon Young Choi, Peter Mundel, Anna Greka
Tyrosine and serine/threonine signal-transduction pathways influence many aspects of cell behavior, including the spatial and temporal regulation of the actin cytoskeleton. However, little is known about how input from diverse tyrosine and serine/threonine kinases is integrated to control Rho protein crosstalk and actin remodeling, which are critically important in podocyte health and disease. Here we unveil the proteolytically-regulated, actin organizing protein synaptopodin as a coincidence detector of tyrosine versus serine/threonine phosphorylation...
September 14, 2016: Journal of the American Society of Nephrology: JASN
Kevin Escandón-Vargas, Andrés Zorrilla-Vaca, Raúl Heli Corral-Prado
Prion diseases are rare neurodegenerative disorders occurring worldwide and affecting both humans and animals. Herein, we present the case of a patient diagnosed with definite sporadic Creutzfeldt-Jakob disease in Cali, Colombia. Besides neurological examination, 14-3-3 and tau proteins were valuable tools supporting the diagnosis. We also present a brief perspective of the prion diseases reported in Colombia to date. Although the incidence of prion diseases is unknown in Colombia, our literature review revealed that one case of scrapie in 1981 and 29 human sporadic cases of Creutzfeldt-Jakob disease have been documented and published in our country...
2016: Biomédica: Revista del Instituto Nacional de Salud
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