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Jingjing Yu, Yuling Huang, Lijuan Liu, Jing Wang, Jiye Yin, Lihua Huang, Shaojun Chen, Jingao Li, Hong Yuan, Guoping Yang, Wenyu Liu, Hai Wang, Qi Pei, Chengxian Guo
Radiotherapy (RT) is the normative therapeutic treatment for primary nasopharyngeal carcinoma (NPC). Single nucleotide polymorphisms (SNPs) of genes in Wnt/β-catenin pathway are correlated to the development, prognosis, and treatment benefit of various cancers. However, it has not been established whether SNPs of Wnt/β-catenin pathway are associated with nasopharyngeal tumorigenesis and the efficacy of RT in NPC patients. Therefore, in this study, we aimed to investigate the nine potentially functional SNPs of four genes in the Wnt/β-catenin pathway and genotyped these in 188 NPC patients treated with RT...
October 19, 2016: Oncotarget
Elizabeth E Hjort, Weiqi Huang, Liping Hu, Elizabeth A Eklund
Icsbp/Irf8 is an interferon regulatory transcription factor that functions as a suppressor of myeloid leukemias. Consistent with this activity, Icsbp represses a set of genes encoding proteins that promote cell proliferation/survival. One such gene encodes Gas2, a calpain inhibitor. We previously found that increased Gas2-expression in Bcr-abl+ cells stabilized βcatenin; a Calpain substrate. This was of interest, because βcatenin contributes to disease progression in chronic myeloid leukemia (CML). Calpain has additional substrates implicated in leukemogenesis, including Stat5...
October 19, 2016: Oncotarget
Jianjun Niu, Yong Lin, Pingguo Liu, Yiwen Yu, Chenghao Su, Xiaomin Wang
Long non-coding RNAs are involved with development and progression of cancer, and the advance of microarray technology allows the researchers to investigate the complete expression profile of lncRNA in various kinds of sample. We enrolled 5 male primary HCC cases with chronic HBV infection and the HCC and normal tissues have been obtained during the resection surgery. After total RNA extraction, the lncRNA microarray analysis was conducted to determine the lncRNA and mRNA expression signals. 612 lncRNAs and 1,064 mRNAs were significantly up-regulated in HCC tissue while 656 lncRNAs and 1,532 mRNAs were down-regulated in HCC tissues...
October 18, 2016: Oncotarget
Qiyong Jiang, Yimin Liu, Shijuan Zhang, Naikun Li, Gaoling Sun
MiRNAs are emerging as important epigenetic modulators of multiple target genes, leading to abnormal cellular signaling involving cellular proliferation in cancers. Aberrant miRNA expression has been observed in human glioblastoma (GBM). The present study was to evaluate the expression and molecular mechanisms of COX-2 and miR-26b in human GBM tissues and GBM cell lines T98G, U87 and U251. In the present study, we found that expression of miR-26b was markedly downregulated in GBM cell lines and human GBM tissues, compared to matched non-tumor associated tissues...
October 17, 2016: Oncotarget
Fufa Qu, Zhiming Xiang, Yang Zhang, Jun Li, Shu Xiao, Yuehuan Zhang, Fan Mao, Haitao Ma, Ziniu Yu
p38 mitogen-activated protein kinases (MAPKs) are conserved serine/threonine-specific kinases that are activated by various extracellular stimuli and play crucial regulatory roles in immunity, development and homeostasis. However, the function of p38s in mollusks, the second most diverse group of animals, is still poorly understood. In this study, a novel molluscan p38 (designated Chp38) was cloned and characterized from the Hong Kong oyster Crassostrea hongkongensis. Its full-length cDNA encoded a putative protein of 353 amino acids with a calculated molecular weight of approximately 40...
October 18, 2016: Molecular Immunology
Boahemaa Adu-Oppong, Andrew J Gasparrini, Gautam Dantas
Microbial communities contain diverse bacteria that play important roles in every environment. Advances in sequencing and computational methodologies over the past decades have illuminated the phylogenetic and functional diversity of microbial communities from diverse habitats. Among the activities encoded in microbiomes are the abilities to synthesize and resist small molecules, yielding antimicrobial activity. These functions are of particular interest when viewed in light of the public health emergency posed by the increase in clinical antimicrobial resistance and the dwindling antimicrobial discovery and approval pipeline, and given the intimate ecological and evolutionary relationship between antimicrobial biosynthesis and resistance...
October 21, 2016: Annals of the New York Academy of Sciences
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
Michael Chalick, Oded Jacobi, Edward Pichinuk, Christian Garbar, Armand Bensussan, Alan Meeker, Ravit Ziv, Tania Zehavi, Nechama I Smorodinsky, John Hilkens, Franz-Georg Hanisch, Daniel B Rubinstein, Daniel H Wreschner
Translation of mRNA in alternate reading frames (ARF) is a naturally occurring process heretofore underappreciated as a generator of protein diversity. The MUC1 gene encodes MUC1-TM, a signal-transducing trans-membrane protein highly expressed in human malignancies. Here we show that an AUG codon downstream to the MUC1-TM initiation codon initiates an alternate reading frame thereby generating a novel protein, MUC1-ARF. MUC1-ARF, like its MUC1-TM 'parent' protein, contains a tandem repeat (VNTR) domain. However, the amino acid sequence of the MUC1-ARF tandem repeat as well as N- and C- sequences flanking it differ entirely from those of MUC1-TM...
2016: PloS One
Tânia Nobre, Manuela Oliveira, Birgit Arnholdt-Schmitt
By definition, the domestication process leads to an overall reduction of crop genetic diversity. This lead to the current search of genomic regions in wild crop relatives (CWR), an important task for modern carrot breeding. Nowadays massive sequencing possibilities can allow for discovery of novel genetic resources in wild populations, but this quest could be aided by the use of a surrogate gene (to first identify and prioritize novel wild populations for increased sequencing effort). Alternative oxidase (AOX) gene family seems to be linked to all kinds of abiotic and biotic stress reactions in various organisms and thus have the potential to be used in the identification of CWR hotspots of environment-adapted diversity...
2016: PloS One
Qian Lu, Jihong Wang, Junshu Jiang, Shengnan Wang, Qilan Jia, Yue Wang, Weiping Li, Qin Zhou, Li Lv, Qingwei Li
BACKGROUND: The RGD-toxin protein Lj-RGD3 is a naturally occurring 118 amino acid peptide that can be obtained from the salivary gland of the Lampetra japonica fish. This unique peptide contains 3 RGD (Arg-Gly-Asp) motifs in its primary structure. Lj-RGD3 is available in recombinant form (rLj-RGD3) and can be produced in large quantities using DNA recombination techniques. The pharmacology of the three RGD motif-containing peptides has not been studied. This study investigated the protective effects of rLj-RGD3, a novel polypeptide, against ischemia/reperfusion-induced damage to the brain caused by middle cerebral artery occlusion (MCAO) in a rat stroke model...
2016: PloS One
Huilin Ou, Wei Yao, Nanping Wu, Frederick X C Wang, Tianhao Weng, Chengcong Han, Xiangyun Lu, Dongshan Yu, Haibo Wu, Linfang Cheng, Honglin Chen, Hangping Yao, Lanjuan Li
Developing a safe and effective H7N9 influenza vaccine was initiated in early spring 2013, following human infections with a novel avian influenza A (H7N9) virus. In this study, a candidate H7N9 vaccine seed strain is produced using reverse genetics, with HA and NA derived from a human H7N9 virus and the remaining genes from the PR8 backbone virus which grows well in eggs. We verified that the virulence and transmissibility of the recombinant H7N9 vaccine seed strain were decreased as compared to wild-type H7N9 virus, to levels comparable with PR8...
October 19, 2016: Oncotarget
Francesco Parmeggiani, Vanessa Barbaro, Angelo Migliorati, Paolo Raffa, Patrizia Nespeca, Katia De Nadai, Claudia Del Vecchio, Giorgio Palù, Cristina Parolin, Enzo Di Iorio
PURPOSE: To identify novel mutations in the retinitis pigmentosa GTPase regulator (RPGR) gene and retinitis pigmentosa 2 (RP2) gene underlying X-linked retinitis pigmentosa (XLRP) and assess genotype-phenotype correlations. METHODS: The patient cohort, consisting of 13 individuals from 3 unrelated XLRP families, underwent comprehensive ophthalmologic examination. The open reading frames of RPGR and RP2 were analyzed with Sanger sequencing in each patient. The identified genetic variants were defined as mutations or polymorphisms on the basis of their pathological effect...
October 21, 2016: European Journal of Ophthalmology
Fei Wang, Dinglan Wu, Fengrong He, Housheng Fu, Jianbing Xu, Jianxiang Chen, Shufang Zhang, Weifu Wang
PURPOSE: Cofilin 1 is a type of cytoskeletal protein. The overexpression of this gene has been regarded to hold a special relationship with the development and progress of some cancers. However, the detailed position of Cofilin 1 in human bladder cancer has not been investigated intensively. METHODS: In this study, we mainly explored the relationship between human bladder cancer and the expression of Cofilin 1. The expression of Cofilin 1 in bladder cancer tissues and paracancerous tissues of patients was evaluated with quantitative polymerase chain reaction, Western blot, and immunohistochemical staining...
October 21, 2016: Tumori
Paolo Gabrieli, Francesca Scolari
The Mediterranean fruit fly (medfly) Ceratitis capitata (Wiedemann) (Diptera: Tephritidae) is a pest species with extremely high agricultural relevance. This is due to its reproductive behavior: females damage the external surface of fruits and vegetables when they lay eggs and the hatched larvae feed on their pulp. Wild C. capitata populations are traditionally controlled through insecticide spraying and/or eco-friendly approaches, the most successful being the Sterile Insect Technique (SIT). The SIT relies on mass-rearing, radiation-based sterilization and field release of males that retain their capacity to mate but are not able to generate fertile progeny...
October 1, 2016: Journal of Visualized Experiments: JoVE
Aeri Yoo, Hyun-Min Park, Soon-Suk Kang, Eun-Soon Kim, Hungwon Tchah, Jae Yong Kim
Small interfering RNA (siRNA) is among the most widely used RNA interference methods for the short-term silencing of protein-coding genes. siRNA is a synthetic RNA duplex created to specifically target a mRNA transcript to induce its degradation and it has been used to identify novel pathways in various cellular processes. Few reports exist regarding the role of phosphorylated heat shock protein 27 (HSP27) in corneal epithelial wound healing. Herein, cultured human corneal epithelial cells were divided into a scrambled control-siRNA transfected group and a HSP27-specific siRNA-transfected group...
September 27, 2016: Journal of Visualized Experiments: JoVE
Liina Kuuluvainen, Minna Pöyhönen, Petra Pasanen, Maija Siitonen, Jaana Rummukainen, Pentti J Tienari, Anders Paetau, Liisa Myllykangas
Mutations in the progranulin (GRN) gene represent about 5-10% of frontotemporal lobar degeneration (FTLD). We describe a proband with a novel GRN mutation c.687T>A, p.(Tyr229*), presenting with dyspraxia, dysgraphia, and dysphasia at the age of 60 and a very severe FTLD neuropathological phenotype with TDP43 inclusions. The nephew of the proband had signs of dementia and personality changes at the age of 60 and showed similar but milder FTLD pathology. Three other family members had had early-onset dementia...
October 20, 2016: Journal of Alzheimer's Disease: JAD
Robbert D A Weren, Arjen R Mensenkamp, Michiel Simons, Astrid Eijkelenboom, Aisha S Sie, Hicham Ouchene, Monique van Asseldonk, Encarna B Gomez-Garcia, Marinus J Blok, Joanne A de Hullu, Marcel R Nelen, Alexander Hoischen, Johan Bulten, Bastiaan B J Tops, Nicoline Hoogerbrugge, En Marjolijn J L Ligtenberg
With the recent introduction of Poly(ADP-ribose) polymerase (PARP) inhibitors, a promising novel therapy has become available for ovarian carcinoma patients with inactivating BRCA1 or BRCA2 mutations in their tumour. To select patients who may benefit from these treatments, assessment of the mutation status of BRCA1 and BRCA2 in the tumour is required. For reliable evaluation of germline and somatic mutations in these genes in DNA derived from formalin-fixed, paraffin-embedded (FFPE) tissue, we have developed a single molecule molecular inversion probe (smMIP)-based targeted next generation sequencing (NGS) approach...
October 21, 2016: Human Mutation
Satoshi Ogiso, Kentaro Yasuchika, Ken Fukumitsu, Takamichi Ishii, Hidenobu Kojima, Yuya Miyauchi, Ryoya Yamaoka, Junji Komori, Hokahiro Katayama, Takayuki Kawai, Elena Yukie Yoshitoshi, Sadahiko Kita, Katsutaro Yasuda, Shinji Uemoto
A whole-organ regeneration approach, using a decellularised xenogeneic liver as a scaffold for the construction of a transplantable liver was recently reported. Deriving suitable scaffolds was the first step towards clinical application; however, effective recellularisation remains to be achieved. This report presents a strategy for the improvement of the recellularisation process, using novel cell-seeding technique and cell source. We evaluated recellularised liver grafts repopulated through the portal vein or the biliary duct with mice adult hepatocytes or E14...
October 21, 2016: Scientific Reports
Yong-Cheng Dong, Zhi-Jian Wang, Zhen-Zhong Chen, Anthony R Clarke, Chang-Ying Niu
RNA interference (RNAi) is a genetic technique which has novel application for sustainable pest control. The Sterile Insect Technique (SIT) uses releases of mass-produced, sterile male insects to out-compete wild males for mates to reduce pest populations. RNAi sterilization of SIT males would have several advantages over radiation sterilization, but to achieve this appropriate target genes must first be identified and then targeted with interference technology. With this goal, eight spermatogenesis related candidate genes were cloned and tested for potential activity in Bactrocera dorsalis...
October 21, 2016: Scientific Reports
Junyong Zhang, Zuojin Liu, Zhengrong Lian, Rui Liao, Yi Chen, Yi Qin, Jinlong Wang, Qing Jiang, Xiaobo Wang, Jianping Gong
Monoacylglycerol lipase (MAGL) is a key enzyme in lipid metabolism that is demonstrated to be involved in tumor progression through both energy supply of fatty acid (FA) oxidation and enhancing cancer cell malignance. The aim of this study was to investigate whether MAGL could be a potential therapeutic target and prognostic indicator for hepatocellular carcinoma (HCC). To evaluate the relationship between MAGL levels and clinical characteristics, a tissue microarray (TMA) of 353 human HCC samples was performed...
October 21, 2016: Scientific Reports
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