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Reverse fusion

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https://www.readbyqxmd.com/read/28652740/optical-coding-of-fusion-genes-using-multicolor-quantum-dots-for-prostate-cancer-diagnosis
#1
Hyojin Lee, Chloe Kim, Dongjin Lee, Jea Ho Park, Peter C Searson, Kwan Hyi Lee
Recent studies have found that prostate cancer expresses abnormal genetic markers including multiple types of TMPRSS2-ERG fusion genes. The expression level of different TMPRSS2-ERG fusion genes is correlated to pathologic variables of aggressive prostate cancer and disease progression. State-of-the-art methods for detection of TMPRSS2-ERG fusion genes include reverse transcription polymerase chain reaction (RT-PCR) with a detection limit of 1 fmol at urinary condition. RT-PCR is time consuming, costly, and inapplicable for multiplexing...
2017: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/28647583/the-temporal-expression-of-adipokines-during-spinal-fusion
#2
Sohrab Virk, Alicia L Bertone, Hayam Hamaz Hussein, Jeffrey M Toth, Mari Kaido, Safdar Khan
BACKGROUND CONTEXT: Adipokines are secreted by white adipose tissue and have been associated with fracture healing. Our goal was to report the temporal expression of adipokines during spinal fusion in an established rabbit model. PURPOSE: Our goal was to report the temporal expression of adipokines during spinal fusion in an established rabbit model. STUDY DESIGN: Laboratory animal model METHODS: New Zealand white rabbits were assigned to either sham surgery (n=2), unilateral posterior spinal fusion (n=14) or bilateral posterior spinal fusion (n=14)...
June 21, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28643238/characterization-of-the-complex-involved-in-regulating-v-atpase-activity-of-the-vacuolar-and-endosomal-membrane
#3
REVIEW
Zhenyu Zhang, Xiaojiao Wang, Tangjie Gao, Chunyin Gu, Fubao Sun, Lin Yu, Jinguang Hu
Regulator of the H(+)-ATPase of the vacuolar and endosomal membranes (RAVE) is essential for the reversible assembly of H(+)-ATPase. RAVE primarily consists of three subunits: Rav1p, Rav2p and Skp1p. To characterize these subunits, in this study, four strains derived from Saccharomyces cerevisiae BY4742 were constructed with a FLAG tag on the Rav1p and Rav2p subunits. Then, the corresponding RAVE containing complex was isolated by affinity purification. Western blot and MALDI-TOF mass spectrometry analyses showed that the RAVE complex contains not only the known V1-ATPase subunits (Vma1p and Vma2p) but also a newly found Leu1p that interacts with the RAVE subunit...
June 22, 2017: Journal of Bioenergetics and Biomembranes
https://www.readbyqxmd.com/read/28642611/engineered-newcastle-disease-virus-expressing-the-f-and-g-proteins-of-ampv-c-confers-protection-against-challenges-in-turkeys
#4
Haixia Hu, Jason P Roth, Laszlo Zsak, Qingzhong Yu
Avian metapneumovirus (AMPV) infects the respiratory and reproductive tracts of domestic poultry, resulting in substantial economic losses for producers. Live attenuated vaccines appear to be the most effective in countries where the disease is prevalent. However, reversion to virulence has been demonstrated in several studies. Therefore, the development of a stable and safe next generation vaccine against the AMPV disease is needed. In the present study, we generated a recombinant Newcastle disease virus (NDV) vectoring the fusion (F) protein and glycoprotein (G) genes of AMPV subtype-C (AMPV-C) as a bivalent vaccine candidate using reverse genetics technology...
June 22, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28640955/in-solution-antibody-harvesting-with-a-plant-produced-hydrophobin-protein-a-fusion
#5
Katri Kurppa, Lauri Reuter, Anneli Ritala, Markus Linder, Jussi Joensuu
Purification is a bottleneck and a major cost factor in the production of antibodies. We set out to engineer a bi-functional fusion protein from two building blocks, Protein A and a hydrophobin, aiming at low-cost and scalable antibody capturing in solutions. Immunoglobulin-binding Protein A is widely used in affinity-based purification. The hydrophobin fusion tag, on the other hand, has been shown to enable purification by two-phase separation. Protein A was fused to two different hydrophobin tags, HFBI or II, and expressed transiently in Nicotiana benthamiana...
June 22, 2017: Plant Biotechnology Journal
https://www.readbyqxmd.com/read/28639381/elastin-like-polypeptide-switches-a-design-strategy-to-detect-multimeric-proteins
#6
Jugal Dhandhukia, Dab Brill, Aida Kouhi, Martha Pastuszka, John Andrew MacKay
Elastin-Like Polypeptides (ELPs) reversibly phase separate in response to changes in temperature, pressure, concentration, pH, and ionic species. While powerful triggers, biological microenvironments present a multitude of more specific biological cues, such as antibodies, cytokines, and cell-surface receptors. To develop better biosensors and bioresponsive drug carriers, rational strategies are required to sense and respond to these target proteins. We recently reported that non-covalent association of two ELP fusion proteins to a 'chemical inducer of dimerization' small molecule (1...
June 22, 2017: Protein Science: a Publication of the Protein Society
https://www.readbyqxmd.com/read/28638112/the-structure-function-relationship-of-disulfide-bonds-in-etanercept
#7
William C Lamanna, Robert Ernst Mayer, Alfred Rupprechter, Michael Fuchs, Fabian Higel, Cornelius Fritsch, Cornelia Vogelsang, Andreas Seidl, Hansjoerg Toll, Martin Schiestl, Johann Holzmann
Etanercept is a TNFα receptor Fc fusion protein used for the treatment of rheumatic disease and psoriasis. Physicochemical and functional investigation of process fractions during development of the etanercept biosimilar GP2015 (Erelzi(®)) revealed a correlation between reduced potency and incorrect disulfide bridging between specific cysteines in the receptor domain. This novel structure-function relationship was found to be the molecular basis for reduced potency in recent Enbrel(®) batches, which exhibit higher levels of incorrect disulfide bridging...
June 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28637676/editorial-focus-on-balance-between-s-nitrosylation-and-denitrosylation-modulates-myoblast-proliferation-independently-of-soluble-guanylyl-cyclase-activation
#8
Hugo P Monteiro, Fernando T Ogata
Myogenesis involves a complex series of signaling events that will result in the formation of muscle fibers. The participation of nitric oxide (NO) in myogenesis is well established. NO generation in skeletal muscle comes from the neuronal isoform of the NO synthase (nNOS). NO signals through cGMP production and s-nitrosylation of proteins in skeletal muscle. In skeletal muscle, nNOS interacts with two domains of caveolin-3 which is part of caveolae, and forms a signaling complex through additional interactions with Src kinase and p21Ras...
June 21, 2017: American Journal of Physiology. Cell Physiology
https://www.readbyqxmd.com/read/28637362/spindle-cell-mucoepidermoid-carcinoma-of-the-palatine-tonsil-with-crtc1-maml2-fusion-transcript-report-of-a-rare-case-in-a-17-year-old-boy-and-a-review-of-the-literature
#9
Giap Hean Goh, Chwee Ming Lim, Tomas Vanacek, Michal Michal, Fredrik Petersson
Mucoepidermoid carcinoma (MEC) with a predominant spindle cell composition occurring in the palatine tonsil is exceedingly rare. We present a case of a 17-year-old boy with an uncommon spindle cell variant of MEC arising in the palatine tonsil. Histologically, the tumor showed a solid, noncystic architecture and was composed of a predominant population of bland spindle to fusiform cells arranged in organoid nests with interspersed goblet cells and focal areas of ductular structures. Reverse transcriptase polymerase chain reaction and fluorescence in situ hybridization (FISH) revealed the presence of a t(11;19) CRTC1-MAML2 gene fusion in this rare variant of MEC...
June 1, 2017: International Journal of Surgical Pathology
https://www.readbyqxmd.com/read/28633336/a278c-mutation-of-dihydropteridine-reductase-decreases-autophagy-via-mtor-signaling
#10
Qin Si, Sifan Sun, Yanting Gu
Dihydropteridine reductase (QDPR) plays an important role in the recycling of BH4 and is closely related to oxidative stress. We have previously reported that the overexpression of QDPR in human kidney HEK293T cells significantly protected against oxidative stress, and these beneficial effects were abolished by A278C mutation. To evaluate the effect of wild-type and mutant QDPR on autophagy and its mechanism in HEK293T cells, we constructed the wild-type and mutant QDPR expression plasmids and transfected them into HEK293T cells...
June 15, 2017: Acta Biochimica et Biophysica Sinica
https://www.readbyqxmd.com/read/28630277/t-cell-intracellular-antigens-and-hu-antigen-r-antagonistically-modulate-mitochondrial-activity-and-dynamics-by-regulating-optic-atrophy-1-gene-expression
#11
Isabel Carrascoso, José Alcalde, Carmen Sánchez-Jiménez, Paloma González-Sánchez, José M Izquierdo
Mitochondria undergo frequent morphological changes to control their function. We show here that T-cell intracellular antigens (TIA1b/TIARb) and Hu antigen R (HuR) have antagonistic roles in mitochondrial function by modulating the expression of mitochondrial shaping proteins. Expression of TIA1b/TIARb alters the mitochondrial dynamic network by enhancing fission and clustering, which is accompanied by a decrease in respiration. By contrast, HuR expression promotes fusion and cristae remodeling and increases respiratory activity...
June 19, 2017: Molecular and Cellular Biology
https://www.readbyqxmd.com/read/28624494/antibacterial-activity-and-phospholipid-recognition-of-the-recombinant-defensin-j1-1-from-capsicum-genus
#12
Francisco Guillén-Chable, Iván Arenas-Sosa, Ignacio Islas-Flores, Gerardo Corzo, Cynthia Martinez-Liu, Georgina Estrada
The gene of the four disulfide-bridged defensin J1-1 from Capsicum was cloned into the expression vector pQE30 containing a 6His-tag as fusion protein. This construct was transfected into Origami strain of Escherichia coli and expressed after induction with isopropyl thiogalactoside (IPTG). The level of expression was 4 mg/L of culture medium, and the His-tagged recombinant defensin (HisXarJ1-1) was expressed exclusively into inclusion bodies. After solubilization, HisXarJ1-1 was purified by affinity and hydrophobic interaction chromatography...
June 15, 2017: Protein Expression and Purification
https://www.readbyqxmd.com/read/28624468/fish-mass-immunization-against-virus-with-recombinant-spiny-bacterins
#13
Julio Coll
Bacterins obtained from recombinant bacteria displaying heterologous antigens in its surface coded by prokaryotic rather than eukaryotic expression plasmids (here called "spiny" bacterins or spinycterins), have been used to increase fish immunogenicity of recombinant viral protein fragments. To explore their immunogenicity, five bacterial-specific membrane anchor-motifs characterized in the literature (Nmistic, Mistic, NTD, YAIN and YBEL) were genetically fused to the immunorelevant cystein-free 117 amino acid fragment II from the ORF149 of cyprinid herpes virus 3 (frgIICyHV3)...
June 15, 2017: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/28624412/mild-hypothermia-protects-hippocampal-neurons-against-oxygen-glucose-deprivation-reperfusion-induced-injury-by-improving-lysosomal-function-and-autophagic-flux
#14
Tianen Zhou, Lian Liang, Yanran Liang, Tao Yu, Chaotao Zeng, Longyuan Jiang
Mild hypothermia has been proven to be useful to treat brain ischemia/reperfusion injury. However, the underlying mechanisms have not yet been fully elucidated. The present study was undertaken to determine whether mild hypothermia protects hippocampal neurons against oxygen-glucose deprivation/reperfusion(OGD/R)-induced injury via improving lysosomal function and autophagic flux. The results showed that OGD/R induced the occurrence of autophagy, while the acidic environment inside the lysosomes was altered...
June 15, 2017: Experimental Cell Research
https://www.readbyqxmd.com/read/28599186/histological-alterations-in-gills-and-liver-of-rainbow-trout-oncorhynchus-mykiss-after-exposure-to-the-antibiotic-oxytetracycline
#15
S Rodrigues, S C Antunes, B Nunes, A T Correia
The aim of this study was to investigate the histopathological effects of oxytetracycline (OTC) on the gill and liver tissues of rainbow trouts (Oncorhynchus mykiss) following acute (96h: 0.005-50mg/L) and chronic (28days: 0.3125-5μg/L) exposures. Results suggest the existence of a cause-and-effect relationship between the exposure to OTC and tissue damage. Most predominant disorders observed in gills were progressive (e.g. hypertrophy of mucous cells and hyperplasia of epithelial cells) in acute exposure and regressive (e...
May 27, 2017: Environmental Toxicology and Pharmacology
https://www.readbyqxmd.com/read/28596663/novel-e8a2-bcr-abl-fusion-transcript-in-case-of-a-myeloproliferative-neoplasm
#16
Manoj Kumar Panigrahi, Dushyant Kumar, Anurag Mehta, Moushumi Suryavanshi, Dinesh Bhurani, Kandarpa Kumar Saikia
Main objective of this work was to confirm the occurrence of rare BCR-ABL fusion variant involving the a2 region of the ABL gene and e8 of BCR gene in a patient of Myeloproliferative neoplasm positive for t(9;22) translocation but negative for common major and minor breakpoint cluster regions. A patient with elevated white blood cell count was subjected to classical cytogenetics, FISH as well as RT-PCR testing using commercial kits as well as published primers and in house testing protocol. The translocation event in chromosome 9 and 22 could be successfully detected...
June 2017: Indian Journal of Hematology & Blood Transfusion
https://www.readbyqxmd.com/read/28595732/the-novel-double-hit-t-8-22-q24-q11-myc-igl-and-t-14-15-q32-q24-igh-bcl2a1-in-diffuse-large-b-cell-lymphoma
#17
Takashi Akasaka, Chiyuki Kishimori, Katsuhiro Fukutsuka, Miho Nakagawa, Kayo Takeoka, Masahiko Hayashida, Gen Honjo, Hitoshi Ohno
An 82-year-old woman presented with generalized lymphadenopathy and skin involvement. Lymph node biopsy revealed diffuse large B-cell lymphoma with a high proliferation index. G-banding and fluorescence in situ hybridization showed a hypertetraploid karyotype with two copies of t(8;22)(q24;q11), generating the fusion of MYC and the immunoglobulin λ chain gene (IGL), and two copies of the novel immunoglobulin heavy chain gene (IGH) translocation, t(14;15)(q32;q24). A long-distance inverse polymerase chain reaction (PCR) using nested primer combinations designed for each constant gene of IGH showed that Cγ4 was juxtaposed to the downstream sequence of the BCL2A1 (BCL2-related protein A1) gene through the Sγ4 switch region...
August 2017: Cancer Genetics
https://www.readbyqxmd.com/read/28595195/gas6-oncogene-and-reverse-mllt3-kmt2a-duplications-in-an-infant-with-acute-myeloid-leukemia-and-a-novel-complex-hyperdiploid-karyotype-detailed-high-resolution-molecular-cytogenetic-studies
#18
Roberto R Capela de Matos, Daniela R Ney Garcia, Elaine Cifoni, Moneeb A K Othman, Mariana Tavares de Souza, Edna K Carboni, Gerson M Ferreira, Thomas Liehr, Raul C Ribeiro, Maria Luiza M Silva
Pediatric acute myeloid leukemia (AML) is a highly heterogeneous disease, presenting cytogenetic and molecular abnormalities which turned out to be critical prognostic factors. Ploidy changes as gain or loss of individual chromosomes are rare in AML, occurring only in about 1-2% of the affected children. Hyperdiploid karyotypes are exceedingly rare in infants less than 12 months of age. In this age group, structural rearrangements involving the KMT2A gene occur in about 58% of the cases. Among them, the translocation t(9;11)(p22;q23), KMT2A-MLLT3, is the most common abnormality accounting for approximately 22% of KMT2A rearrangements in infant AML cases...
June 9, 2017: Cytogenetic and Genome Research
https://www.readbyqxmd.com/read/28592543/mapping-of-transcription-termination-within-the-s-segment-of-sfts-phlebovirus-facilitated-the-generation-of-nss-deletant-viruses
#19
Benjamin Brennan, Veronica V Rezelj, Richard M Elliott
SFTS phlebovirus (severe fever with thrombocytopenia syndrome virus; SFTSV) is an emerging tick-borne bunyavirus that was first reported in China in 2009. Here we report the generation of a recombinant SFTSV (rHB29NSsKO) that cannot express the viral non-structural protein (NSs) upon infection of cells in culture. We show that rHB29NSsKO replication kinetics are greater in interferon (IFN)-incompetent cells and that the virus is unable to suppress IFN induced in response to viral replication. The data confirm for the first time in the context of virus infection that NSs acts as a virally encoded IFN antagonist and that NSs is dispensable for virus replication...
June 7, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28592067/-combination-of-pp242-and-dasatinib-suppresses-the-progression-of-acute-myeloid-leukemia-in-a-mouse-model
#20
Y H Qu, H T Liu, F C He
Objective: To establish the acute myeloid leukemia (AML) mouse model, and to preliminarily investigate the efficiency of dasatinib, a tryosine kinase inhibitor, and PP242, an inhibitor of PI3K/Akt/mTOR signaling pathway in the development of AML. Methods: The lineage(-) (Lin(-)) cells of C57BL/6J were transduced with retrovirus carrying MSCV-MLL-AF9-IRES-GFP fusion gene. The transduced cells were transplanted into lethally irradiated recipient mice to induce AML, and then the AML mouse model were established...
May 30, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
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