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https://www.readbyqxmd.com/read/28109201/genetic-analyses-of-the-fusion-protein-genes-in-human-parainfluenza-virus-types-1-and-3-among-patients-with-acute-respiratory-infections-in-eastern-japan-from-2011-to-2015
#1
Rika Tsutsui, Hiroyuki Tsukagoshi, Koo Nagasawa, Masaki Takahashi, Yuki Matsushima, Akihide Ryo, Makoto Kuroda, Hideki Takami, Hirokazu Kimura
PURPOSE: To genetically explorer the fusion protein gene (F) in human parainfluenza virus type 1 (HPIV1) and type 3 (HPIV3) strains, we analyzed them in the patients with acute respiratory infections (ARI) in Eastern Japan from 2011 to 2015. METHODOLOGY: We constructed phylogenetic trees based on the HPIV and HPIV3 F gene using the maximum likelihood method and conducted p-distance, and selective pressure analyses. We also predicted the linear epitopes of the protein in the prototype strains...
January 20, 2017: Journal of Medical Microbiology
https://www.readbyqxmd.com/read/28109185/folding-of-intrinsically-disordered-plant-lea-proteins-is-driven-by-glycerol-induced-crowding-and-the-presence-of-membranes
#2
Anne Bremer, Martin Wolff, Anja Thalhammer, Dirk K Hincha
Late embryogenesis abundant (LEA) proteins are related to cellular dehydration tolerance. Most LEA proteins are predicted to have no stable secondary structure in solution, i.e. to be intrinsically disordered proteins (IDPs), but they may acquire α-helical structure upon drying. In the model plant Arabidopsis thaliana the LEA proteins COR15A and COR15B are highly induced upon cold treatment and are necessary for the plants to attain full freezing tolerance. Freezing leads to increased intracellular crowding due to dehydration by extracellular ice crystals...
January 21, 2017: FEBS Journal
https://www.readbyqxmd.com/read/28109180/the-intrauterine-renin-angiotensin-system-sex-specific-effects-on-the-prevalence-of-spontaneous-preterm-birth
#3
Kirsty G Pringle, Tamas Zakar, Eugenie R Lumbers
Preterm birth (PTB) is the single largest cause of death in infants and young children. The rate of PTB is significantly higher in male infants, particularly those that are born very preterm. Here we present evidence to suggest that the decidual renin-angiotensin system may play a role in inhibiting inflammation and maintaining the integrity of the fetal membranes during pregnancy, and that sex-specific alterations in the intrauterine RAS could contribute to the increased risk of PTB in male babies. Women carrying female fetuses have high levels of expression of decidual prorenin at term...
January 21, 2017: Clinical and Experimental Pharmacology & Physiology
https://www.readbyqxmd.com/read/28109176/oncogenic-roles-of-smarcb1-ini1-and-its-deficient-tumors
#4
Kenichi Kohashi, Yoshinao Oda
SMARCB1/INI1 is one of the core subunit proteins of the ATP-dependent SWI/SNF chromatin remodeling complex, and is identified as a potent and bona fide tumor suppressor. Interactions have been demonstrated between SMARCB1/INI1 and key proteins in various pathways related to tumor proliferation and progression: the p16-RB pathway, WNT signaling pathway, sonic hedgehog signaling pathway and Polycomb pathway. Initially, no detectable SMARCB1/INI1 protein expression was found in malignant rhabdoid tumor cells, whereas all other kinds of tumor cells and non-tumorous tissue showed SMARCB1/INI1 protein expression...
January 21, 2017: Cancer Science
https://www.readbyqxmd.com/read/28109175/langerhans-cell-markers-cd1a-and-cd207-are-the-most-rapidly-responding-genes-in-lesional-psoriatic-skin-following-adalimumab-treatment
#5
L Raaby, C Rosada, A Langkilde, K L Lauridsen, H Vinter, P Ommen, R B Kjellerup, C Johansen, L Iversen
TNFα-, IL-23- and IL-17-targeting drugs are highly effective in the treatment of psoriasis. However, the precise molecular mechanism remains unknown. In psoriatic skin the presence of Langerhans cells (LC) is reduced, but the role of LC is poorly understood. The purpose of this study was to investigate the impact of TNFα and IL-23/IL-17 on the presence of LC in the skin during treatment. Therefore, psoriatic skin was investigated before and after 4 days of adalimumab or ustekinumab treatment. Furthermore, TNFα and IL-17A stimulation was investigated in an ex vivo model of epidermis and dermis from healthy normal skin kept in cultures at an air-liquid interphase for 4 days...
January 21, 2017: Experimental Dermatology
https://www.readbyqxmd.com/read/28109174/%C3%AE-%C3%AE-nac-cooperates-with-sam37-to-mediate-early-stages-of-mitochondrial-protein-import
#6
J Carlos Ponce-Rojas, M Clara Avendaño-Monsalve, A Roberto Yañez-Falcón, Fabiola Jaimes-Miranda, Erika Garay, Francisco Torres-Quiroz, Alexander DeLuna, Soledad Funes
The mitochondrial proteome is mostly composed of nuclear-encoded proteins. Such polypeptides are synthesized with signals that guide their intracellular transport to the surface of the organelle and later within the different mitochondrial sub-compartments until they reach their functional destination. It has been suggested that NAC - a cytosolic chaperone which recognizes nascent chains on translationally active ribosomes - has a role in the import of nuclear-encoded mitochondrial proteins. However, the molecular mechanisms that regulate the NAC-mediated co-translational import are still not clear...
January 21, 2017: FEBS Journal
https://www.readbyqxmd.com/read/28109170/comparative-proteomic-analysis-of-urine-and-laser-microdissected-glomeruli-in-iga-nephropathy
#7
Xiaoyuan Ning, Zhong Yin, Zuoxiang Li, Jiayun Xu, Linna Wang, Wanjun Shen, Yang Lu, Guangyan Cai, Xueguang Zhang, Xiangmei Chen
The purpose of the present study was to identify the differential proteins that synchronously change in urine and glomeruli and could be used to monitor glomerular lesions of IgA nephropathy (IgAN). The proteomes of urine and glomeruli from 4 IgAN patients who were graded III/IV according to the grading system of Lee et al were compared to the urine proteomes of 4 healthy volunteers and the glomeruli proteomes of adjacent normal tissue from 4 patients with renal tumors, respectively. Western blot, enzyme-linked immunosorbent assay and immunofluorescence assay were applied to verify the results of the proteomic analysis...
January 21, 2017: Clinical and Experimental Pharmacology & Physiology
https://www.readbyqxmd.com/read/28109165/melatonin-and-sirtuins-a-not-so-unexpected-relationship
#8
Juan C Mayo, Rosa M Sainz, Pedro González Menéndez, Vanesa Cepas, Dun-Xian Tan, Russel J Reiter
Epigenetic modifications, including methylation or acetylation as well as posttranscriptional modifications are mechanisms used by eukaryotic cells to increase the genome diversity in terms of differential gene expression and protein diversity. Among these modifying enzymes, sirtuins, a class III histone deacetylase (HDAC) enzymes are of particular importance. Sirtuins regulate the cell cycle, DNA repair, cell survival and apoptosis, thus having important roles in normal and cancer cells. Sirtuins can also regulate metabolic pathways by changing preference for glycolysis under aerobic conditions as well as glutaminolysis...
January 21, 2017: Journal of Pineal Research
https://www.readbyqxmd.com/read/28109155/-preparation-and-application-of-rabbit-anti-mouse-setd8-polyclonal-antibody
#9
Haitao Ma, Jiaqian Guo, Jing Xia, Changmin Niu, Xueyi Shen, Hongya Sun, Ying Zheng
Objective To purify the recombinant Setd8 protein and prepare rabbit anti-mouse Setd8 polyclonal antibody. Methods The recombinant plasmid pET-30a-Setd8 was constructed by double enzyme digestion and linkage, and then transformed into E.coli BL21. The expression of the target protein was induced by IPTG and the expression product was purified by Ni-NTA affinity chromatograph. The purified protein was used to immunize New Zealand white rabbits to produce polyclonal antibody. The titer and specificity of the antibody were identified by ELISA, Western blotting and immunohistochemistry...
February 2017: Xi Bao Yu Fen Zi Mian Yi Xue za Zhi, Chinese Journal of Cellular and Molecular Immunology
https://www.readbyqxmd.com/read/28109153/-chemotherapy-increases-fc%C3%AE-riib-content-in-peripheral-blood-of-the-patients-with-lung-squamous-cell-carcinoma
#10
Jingjing Lu, Xiuqin Cao, Zhiwei Yang
Objective To detect the FcγRIIB content of monocytes and B cells, the concentration of soluble FcγRIIB (sFcγRIIB) and its antibodies in the peripheral blood of patients with lung squamous cell carcinoma (LSCC) before and after chemotherapy. Methods The expression and localization of FcγRIIB on monocytes and B cells were detected by immunofluorescence technique; the expression of FcγRIIB mRNA was examined by quantitative real-time PCR; Western blotting was performed to detect the expression of FcγRIIB protein; the serum concentrations of sFcγRIIB, sFcγRIIB-IgG complex, anti-FcγRIIB autoantibody were determined by ELISA...
February 2017: Xi Bao Yu Fen Zi Mian Yi Xue za Zhi, Chinese Journal of Cellular and Molecular Immunology
https://www.readbyqxmd.com/read/28109152/-hepatic-stellate-cell-conditioned-medium-induces-proliferation-and-epithelial-mesenchymal-transition-via-activating-erk1-2-signaling-pathway-in-hepatoma-cells
#11
Yuxiao Xie, Rui Liao, Long Pan, Kai Fan, Cong Peng, Chengyou Du
Objective To investigate the influence of hepatic stellate cells (HSCs) on malignant biological behavior of hepatoma cells and related mechanisms. Methods Human hepatoma cell lines SMMC-7721 and HepG2, and hepatic stellate cell line LX-2 were cultured separately. HSC conditioned medium (LX2-CM), MAPK specific inhibitor U0126 were used to treat hepatoma cells, separately or together. The invasion and migration abilities of hepatoma cells were detected by Transwell(TM) assay, and cell proliferation was analyzed by CCK-8 assay...
February 2017: Xi Bao Yu Fen Zi Mian Yi Xue za Zhi, Chinese Journal of Cellular and Molecular Immunology
https://www.readbyqxmd.com/read/28109148/-rat-bone-marrow-mesenchymal-stem-cells-promote-apoptosis-and-inhibit-proliferation-and-migration-of-rsc96-cells
#12
Yongbin Ma, Suohua Ge, Dan Zhou, Huanyan Zhang, Luyang Sun, Xuefeng Wang, Jianhua Su
Objective To investigate the effect of rat bone marrow mesenchymal stem cells (BMSCs) on the proliferation and migration of rat RSC96 Schwann cells in vitro. Methods BMSCs of Sprague Dawley (SD) rats were isolated by bone marrow cell adherent method. The morphology of the third generation of BMSCs was observed by inverted microscopy. The cell surface antigen makers CD19, CD34, CD73, CD105 were detected by flow cytometry. The third-passage BMSCs differentiated into osteoblasts and adipocytes after exposed to bone-inducing and lipid-inducing media for 3 and 2 weeks, respectively, and then were identified by oil red O and alkaline phosphatase staining...
February 2017: Xi Bao Yu Fen Zi Mian Yi Xue za Zhi, Chinese Journal of Cellular and Molecular Immunology
https://www.readbyqxmd.com/read/28109147/-co-culture-with-umbilical-cord-mesenchymal-stem-cells-promotes-the-synthesis-and-mechnism-of-milk-protein-in-bovine-mammary-epithelial-cells
#13
Yankun Zhao, Wei Shao, Chenglong Luo, Kaile Wu, Xiong Yu
Objective To explore the possible mechanism of umbilical cord mesenchymal stem cells (UCMSCs) regulating milk protein synthesis in bovine mammary gland epithelial cells (BMECs). Methods UCMSCs and BMECs were co-cultured by double-chamber Transwell(TM), and other BMECs were cultured alone as a control group. Insulin like growth factor 1 receptor (IGF-1R) inhibitor AG1024 was used to treat cells. IGF-1, β casein (CSN2) and κ casein (CSN3) content in the supernatants were determined by ELISA; the relative expression abundance of Janus kinase and signal transducer and activator of transcription factor (JAK/STAT) signaling pathway-related genes were detected by quantitative real-time PCR (qRT-PCR); and after the cells were treated with JAK2 signal blocker AG490, qRT-PCR was performed to test the relative expression abundance of CSN2 and CSN3 mRNAs...
February 2017: Xi Bao Yu Fen Zi Mian Yi Xue za Zhi, Chinese Journal of Cellular and Molecular Immunology
https://www.readbyqxmd.com/read/28109146/-cloning-expression-and-activity-identification-of-human-innate-immune-protein-apolipoprotein-b-mrna-editing-enzyme-catalytic-subunit-3a-apobec3a
#14
Shan Cheng, Liyan Cao, Juan Du, Wenyong Wang, Yanhai Guo
Objective To construct the expression vector of apolipoprotein B mRNA editing enzyme catalytic subunit 3A (APOBEC3A), express APOBEC3A in eukaryotic cells and identify its cytosine deaminase activity. Methods The APOBEC3A gene was obtained by PCR and inserted into the eukaryotic expression vector pcDNA3.0(+). The recombinant vector pcDNA3.0-APOBEC3A was then transfected into HEK293T and HepG2 cells after confirmed by DNA sequencing. The recombinant protein was purified by Ni-NTA HisBind affinity column. Western blot analysis was used to detect the expression of APOBEC3A protein...
February 2017: Xi Bao Yu Fen Zi Mian Yi Xue za Zhi, Chinese Journal of Cellular and Molecular Immunology
https://www.readbyqxmd.com/read/28109144/-interferon-regulatory-factor-5-irf5-regulates-the-differentiation-of-bone-marrow-derived-macrophages-in-mice
#15
Kang Sun, Jianguo Qu, Jixiang Chen, Shengchun Dang, Songbing He, Jin Zhang, Rong Xie, Yun Wang, Jianxin Zhang
Objective To investigate the expression differences of interferon regulatory factor 5 (IRF5) between M1 and M2 macrophages derived from mouse bone marrow and the effects of small interfering RNA targeting IRF5 gene (IRF5 siRNA) on macrophage differentiation. Methods With the treatment of IFN-γ and lipopolysaccharide (LPS), mouse bone marrow-derived macrophages were differentiated into M1 macrophages; while with the treatment of IL-4, mouse bone marrow-derived macrophages were differentiated into M2 macrophages...
February 2017: Xi Bao Yu Fen Zi Mian Yi Xue za Zhi, Chinese Journal of Cellular and Molecular Immunology
https://www.readbyqxmd.com/read/28109142/-changes-and-role-evaluation-of-tnf-%C3%AE-and-il-1%C3%AE-in-lung-tissues-of-ards-mice
#16
Jianing Liang, Qianqian Zhou, Tianxiang Zhang, Xiaosu Wang, Liqiang Song
Objective To study the expression levels of TNF-α and IL-1β in the lung tissues of acute respiratory distress syndrome (ARDS) mice and their relationships with the severity of lung injury in the mice. Methods A mouse model of ARDS was induced by lipopolysaccharide (LPS). The morphological changes of lung tissue was observed by HE staining, and the lung injury score was calculated. Quantitative real-time PCR was employed to detect the mRNA expression levels of TNF-α and IL-1β in lung tissues and ELISA was performed to test the protein levels of TNF-α and IL-1β in bronchoalveolar lavage fluid (BALF)...
February 2017: Xi Bao Yu Fen Zi Mian Yi Xue za Zhi, Chinese Journal of Cellular and Molecular Immunology
https://www.readbyqxmd.com/read/28109141/-hydrogen-rich-saline-attenuates-hyperalgesia-and-reduces-cytokines-in-rats-with-post-herpetic-neuralgia-via-activating-autophagy
#17
Hongtao Ma, Hongguang Chen, Aili Dong, Yanyan Wang, Yingxue Bian, Keliang Xie
Objective To investigate the role of autophagy in hydrogen-rich saline attenuating post-herpetic neuralgia (PHN) in rats. Methods A total of 100 male SD rats were randomly divided into the five groups (n=20): control group, PHN group, PHN group treated with hydrogen-rich saline (PHN-H2 group), PHN group treated with hydrogen-rich saline and 3-MA (PHN-H2-3-MA group), PHN group treated with hydrogen-rich saline and rapamycin (PHN-H2-Rap group). PHN models were established by varicella-zoster virus (VZV) inoculation...
February 2017: Xi Bao Yu Fen Zi Mian Yi Xue za Zhi, Chinese Journal of Cellular and Molecular Immunology
https://www.readbyqxmd.com/read/28109126/a-step-wise-approach-to-define-binding-mechanisms-of-surrogate-viral-particles-to-multi-modal-anion-exchange-resin-in-a-single-solute-system
#18
Matthew Brown, Sarah Johnson, Kurt Brorson, Scott Lute, David Roush
Multi-modal anion exchange resins combine properties of both anion exchange and hydrophobic interaction chromatography for commercial protein polishing and may provide some viral clearance as well. From a regulatory viral clearance claim standpoint, it is unclear if multi-modal resins are truly orthogonal to either single-mode anion exchange or hydrophobic interaction columns. To answer this, a strategy of solute surface assays and High Throughput Screening of resin in concert with a scale-down model of large scale chromatography purification was employed to determine the predominant binding mechanisms of a panel of bacteriophage (i...
January 21, 2017: Biotechnology and Bioengineering
https://www.readbyqxmd.com/read/28109123/sodium-butyrate-protects-against-high-fat-diet-induced-cardiac-dysfunction-and-metabolic-disorders-in-type-ii-diabetic-mice
#19
Ling Zhang, Jianfeng Du, Naohiro Yano, Hao Wang, Yu Tina Zhao, Dubielecka-Szczerba Patricia, Shougang Zhuang, Eugene Y Chin, Gangjian Qin, Ting C Zhao
Histone deacetylases are recently identified to act as key regulators for cardiac pathophysiology and metabolic disorders. However, the function of histone deacetylase (HDAC) in controlling cardiac performance in type II diabetes and obesity remains unknown. Here we determine whether HDAC inhibition attenuates high fat diet (HFD)-induced cardiac dysfunction and improves metabolic features. Adult mice were fed with either HFD or standard chow food for 24 weeks. Starting at 12 weeks, mice were divided into four groups randomly, in which sodium butyrate (1%), a potent HDAC inhibitor, was provided to chow and HFD-fed mice in drinking water, respectively...
January 21, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28109117/lipid-profiling-of-parkin-mutant-human-skin-fibroblasts
#20
Simona Lobasso, Paola Tanzarella, Daniele Vergara, Michele Maffia, Tiziana Cocco, Angela Corcelli
Parkin mutations are a major cause of early-onset Parkinson's disease (PD). The impairment of protein quality control system together with defects in mitochondria and autophagy process are consequences of the lack of parkin, which leads to neurodegeneration. Little is known about the role of lipids in these alterations of cell functions. In the present study parkin-mutant human skin primary fibroblasts have been considered as cellular model of PD to investigate on possible lipid alterations associated with the lack of parkin protein...
January 21, 2017: Journal of Cellular Physiology
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