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https://www.readbyqxmd.com/read/28822204/comparative-2-d-electrophoresis-of-salivary-proteins-in-triatoma-dimidiata-and-rhodnius-prolixus-hemiptera-reduviidae-and-major-cross-reactive-antigens
#1
Victor Monteon, Ivan May-Gil, Karla Acosta-Viana, Angel Ramos-Logonio, Oscar Hernandez, Ruth Lopez
An immune response to triatomine’s saliva is an immunological marker of exposure to triatomine bites. However, considerable variability in salivary protein profiles did exist among species. In the present work, we compare salivary proteins from Mexican Triatoma dimidiata and Rhodnius prolixus using 2-D electrophoresis. A clear differential saliva profile was found to exist between these two triatomine species. Fewer protein spots were detected in R. prolixus than in T. dimidiata. More than half of the proteins had an isoelectric point between 5 and 7 and a molecular weight between 10 and 30 kDa in T...
2017: Annals of Parasitology
https://www.readbyqxmd.com/read/28822081/expression-profiling-of-the-map-kinase-phosphatase-family-reveals-a-role-for-dusp1-in-the-glioblastoma-stem-cell-niche
#2
Bradley N Mills, George P Albert, Marc W Halterman
The dual specificity phosphatases (DUSPs) constitute a family of stress-induced enzymes that provide feedback inhibition on mitogen-activated protein kinases (MAPKs) critical in key aspects of oncogenic signaling. While described in other tumor types, the landscape of DUSP mRNA expression in glioblastoma (GB) remains largely unexplored. Interrogation of the REpository for Molecular BRAin Neoplasia DaTa (REMBRANDT) revealed induction (DUSP4, DUSP6), repression (DUSP2, DUSP7-9), or mixed (DUSP1, DUSP5, DUSP10, DUSP15) DUSP transcription of select DUSPs in bulk tumor specimens...
August 18, 2017: Cancer Microenvironment: Official Journal of the International Cancer Microenvironment Society
https://www.readbyqxmd.com/read/28822036/filling-the-gaps-in-the-classification-of-the-digenea-carus-1863-systematic-position-of-the-proterodiplostomidae-dubois-1936-within-the-superfamily-diplostomoidea-poirier-1886-inferred-from-nuclear-and-mitochondrial-dna-sequences
#3
David Iván Hernández-Mena, Martín García-Varela, Gerardo Pérez-Ponce de León
The Diplostomida Olson, Cribb, Tkach, Bray & Littlewood, 2003 is the less diverse order of the two orders within the subclass Digenea Carus, 1863 and is currently classified into three superfamilies, i.e. Brachylaimoidea Joyeux & Foley, 1930, Diplostomoidea Poirier, 1886, and Schistosomatoidea Stiles & Hassall, 1898. Although the suprageneric-level relationships have been elucidated with the use of molecular markers, the lack of representation of some groups obscure the phylogenetic relationships among families, rendering the classification unstable...
August 18, 2017: Systematic Parasitology
https://www.readbyqxmd.com/read/28822000/effects-of-fusariotoxin-co-exposure-on-thp-1-human-immune-cells
#4
Marie-Caroline Smith, Stéphanie Madec, Samuel Troadec, Emmanuel Coton, Nolwenn Hymery
Deoxynivalenol (DON), nivalenol (NIV), T-2 toxin (T2), fumonisin B1 (FB1), zearalenone (ZEA), and moniliformin (MON) mycotoxins are common food and feed contaminants produced by Fusarium spp. However, while they are usually found to co-occur in a large range of commodities, only few data are available on mycotoxin co-exposure effects and cellular response mechanisms. In this study, the individual and combined toxic effects of these fusariotoxins were evaluated on the THP-1 human immune cell line as major fusariotoxins are mostly potent immunomodulators...
August 18, 2017: Cell Biology and Toxicology
https://www.readbyqxmd.com/read/28821960/comparative-analysis-of-germ-cells-and-dna-of-the-genus-amblyomma-adding-new-data-on-amblyomma-maculatum-and-amblyomma-ovale-species-acari-ixodidae
#5
Fredy Arvey Rivera-Páez, Bruno Rodrigues Sampieri, Marcelo Bahia Labruna, Renata da Silva Matos, Thiago Fernandes Martins, Maria Izabel Camargo-Mathias
Among tick species, members of the subfamily Amblyomminae have received special attention, since they serve as vectors for pathogens such as Rickettsia spp. and display cryptic species complexes that make their taxonomical classification challenging. Amblyomma ovale, Amblyomma maculatum, and other species of the genus Amblyomma have shown a long history of taxonomic controversies. Spermiotaxonomy has proved to be a valuable tool in the solution of systematic conflicts in Metazoa that can aid molecular and external morphological analyses in ticks and, overall, provide more robust analyses and results...
August 18, 2017: Parasitology Research
https://www.readbyqxmd.com/read/28821913/molecular-insights-into-the-origin-of-the-brown-rust-resistance-gene-bru1-among-saccharum-species
#6
Heng-Bo Wang, Ping-Hua Chen, Yan-Qing Yang, Angelique D'Hont, Yun-Hai Lu
Analysis of 387 sugarcane clones using Bru 1 diagnostic markers revealed two possible sources of Bru 1 in Chinese cultivars: one from Saccharum spontaneum and another from Saccharum robustum of New Guinea. Sugarcane brown rust (SBR) is an important fungal disease in many sugarcane production areas around the world, and can cause considerable yield losses in susceptible sugarcane cultivars. One major SBR resistance gene, named Bru1, initially identified from cultivar R570, was shown to be a major SBR resistance source in most of the sugarcane producing areas of the world...
August 18, 2017: TAG. Theoretical and Applied Genetics. Theoretische und Angewandte Genetik
https://www.readbyqxmd.com/read/28821879/musashi-1-enhances-glioblastoma-cell-migration-and-cytoskeletal-dynamics-through-translational-inhibition-of-tensin3
#7
Hsiao-Yun Chen, Liang-Ting Lin, Mong-Lien Wang, Benoit Laurent, Chih-Hung Hsu, Chih-Ming Pan, Wan-Ru Jiang, Pau-Yuan Chen, Hsin-I Ma, Yi-Wei Chen, Pin-I Huang, Arthur Chiou, Shih-Hwa Chiou
The RNA-binding protein Musashi-1 (MSI1) exerts essential roles in multiple cellular functions, such as maintenance of self-renewal and pluripotency of stem cells. MSI1 overexpression has been observed in several tumor tissues, including glioblastoma (GBM), and is considered as a well-established marker for tumor metastasis and recurrence. However, the molecular mechanisms by which MSI1 regulates cell migration are still undetermined. Here we reported that MSI1 alters cell morphology, promotes cell migration, and increases viscoelasticity of GBM cells...
August 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28821838/biogeography-shaped-the-metabolome-of-the-genus-espeletia-a-phytochemical-perspective-on-an-andean-adaptive-radiation
#8
Guillermo F Padilla-González, Mauricio Diazgranados, Fernando B Da Costa
The páramo ecosystem has the highest rate of diversification across plant lineages on earth, of which the genus Espeletia (Asteraceae) is a prime example. The current distribution and molecular phylogeny of Espeletia suggest the influence of Andean geography and past climatic fluctuations on the diversification of this genus. However, molecular markers have failed to reveal subtle biogeographical trends in Espeletia diversification, and metabolomic evidence for allopatric segregation in plants has never been reported...
August 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28821798/unconventional-mapk-gsk-3%C3%AE-pathway-behind-atypical-epithelial-mesenchymal-transition-in-hepatocellular-carcinoma
#9
Sana Parveen, Dhiviya Vedagiri, Hitha Gopalan Nair, Haripriya Parthasarathy, Krishnan Harinivas Harshan
We recently reported an atypical epithelial mesenchymal transition (EMT) in human hepatoma cell culture Huh7.5, which was non-responsive to the canonical EMT-transcription factors. Here we characterize major pathways regulating this atypical EMT through whole genome transcriptome profiling and molecular analysis, and identify a unique regulation of EMT by GSK-3β. Our analysis reveals remarkable suppression of several key liver-specific markers in Huh7.5M cells indicating that EMT not only changes the epithelial properties, but alters the characteristics associated with hepatocytes as well...
August 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28821797/detecting-hybridization-between-sister-species-of-terebratulina-brachiopoda-cancellothyridoidea-in-the-north-atlantic-morphology-versus-molecules
#10
Carsten Lüter, Nina A Ebeling, Martin Aberhan
Investigating samples of the cancellothyridid brachiopod Terebratulina collected during the IceAGE (Me85/3) expedition of RV METEOR at the continental shelf around Iceland with both morphometrical and molecular methods, we were for the first time able to detect a hybridization event between brachiopod sister species, which are thought to have separated 60 MYA. Terebratulina retusa and T. septentrionalis can clearly be distinguished on the basis of consistent species-specific molecular signatures in both mitochondrial and nuclear markers, whereas morphometrical analyses proved to be less reliable for species determination than previously thought...
August 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28821647/plasticity-beyond-v1-reinforcement-of-motion-perception-upon-binocular-central-retinal-lesions-in-adulthood
#11
Kalina Burnat, Tjing-Tjing Hu, Małgorzata Kossut, Ulf T Eysel, Lutgarde Arckens
Induction of a central retinal lesion in both eyes of adult mammals is a model for macular degeneration and leads to retinotopic map reorganization in the primary visual cortex (V1). Here we characterized the spatio-temporal dynamics of molecular activity levels in the central and peripheral representation of five higher order visual areas, V2/18, V3/19, V4/21a,V5/PMLS, area 7, and V1/17, in adult cats with central 10° retinal lesions (both sexes), by means of real-time PCR for the neuronal activity reporter gene zif268...
August 16, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28821187/genetic-dissection-of-seedling-stage-salinity-tolerance-in-rice-using-introgression-lines-of-a-salt-tolerant-landrace-nona-bokra
#12
Venkata Ramana Rao Puram, John Ontoy, Steven Linscombe, Prasanta K Subudhi
Salinity is an important abiotic stress affecting rice production worldwide. Development of salt tolerant varieties is the most feasible approach for improving rice productivity in salt affected soils. In rice, seedling stage salinity tolerance is crucial for better crop establishment. Quantitative trait loci (QTL) mapping using introgression lines (ILs) is useful for identification and simultaneous transfer of desirable alleles into elite genetic background. In the present study, 138 ILs derived from the cross between a high yielding elite salt susceptible japonica rice cultivar Jupiter and a salt tolerant indica landrace Nona Bokra were evaluated for salt tolerance at seedling stage in a hydroponics experiment and were genotyped using 126 simple sequence repeat markers...
September 1, 2017: Journal of Heredity
https://www.readbyqxmd.com/read/28821186/molecular-population-genetics-of-the-northern-elephant-seal-mirounga-angustirostris
#13
Alicia Abadía-Cardoso, Nelson B Freimer, Kristy Deiner, John Carlos Garza
The northern elephant seal, Mirounga angustirostris, was heavily hunted and declared extinct in the 19th century. However, a colony remained on remote Guadalupe Island, Mexico and the species has since repopulated most of its historical distribution. Here, we present a comprehensive evaluation of genetic variation in the species. First, we assess the effect of the demographic bottleneck on microsatellite variability and compare it with that found in other pinnipeds, demonstrating levels of variation similar to that in species that continue to be threatened with extinction...
September 1, 2017: Journal of Heredity
https://www.readbyqxmd.com/read/28820171/molecular-pathologic-interpretation-of-new-retinoblastoma-rosettes
#14
Dipankar Das, Panna Deka, Kasturi Bhattacharjee, Manab Jyoti Barman, Harsha Bhattacharjee, Divakant Misra, Rushil Kumar Saxena, Anusuya Bhattacharyya, Apurba Deka
Newly described retinoblastoma (RB) rosettes have various kinds of pathological significance. Some of their characteristics have been revealed in this immunohistochemistry study. Five paraffin-embedded eyeballs with RB and new rosettes were studied for neuron-specific enolase (NSE), p53, p16, BAX, c-Myc, glial fibrillary acidic protein, synaptophysin, and chromogranin. They were compared and interpreted using control specimens. NSE, P53, and P16 were significantly expressed in the cells of the new rosettes...
August 2017: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/28820091/alloscardovia-venturai-sp-nov-a-fructose-6-phosphate-phosphoketolase-positive-species-isolated-from-the-oral-cavity-of-a-guinea-pig-cavia-aperea-f-porcellus
#15
Hana Sechovcová, Jiri Killer, Radko Pechar, Martina Geigerová, Roman Švejstil, Hana Salmonová, Chahrazed Mekadim, Vojtěch Rada, Eva Vlková, Olga Kofroňová, Oldřich Benada
A slightly irregular, short rod-shaped bacterial strain, MOZIV/2T, showing activity of fructose 6-phosphate phosphoketolase was isolated from the oral cavity of a home-bred guinea-pig. Based on comparative 16S rRNA gene sequence analyses, its closest relatives were Alloscardovia omnicolens DSM 21503T and Alloscardovia criceti DSM 17774T with 96.0 and 95.6 % pairwise similarities, respectively. Completeness of the compared sequences was 97.3 and 96.9 %, respectively. Growth was found only under anaerobic conditions...
August 18, 2017: International Journal of Systematic and Evolutionary Microbiology
https://www.readbyqxmd.com/read/28820074/exploring-the-cardio-metabolic-relevance-of-t-cadherin-a-pleiotropic-adiponectin-receptor
#16
Jaime Lynn Clark, Carla Gwen Taylor, Peter Zahradka
BACKGROUND AND OBJECTIVE: T cadherin is a unique member of the cadherin family and is primarily expressed in the cardiovascular system. T cadherin has not been abundantly studied, but the studies conducted to date have explored the impact of this protein on health and the function of organs involved in metabolic regulation. METHODS: This article examines the recent knowledge of the ligand partners for T cadherin and the potential contribution(s) of T-cadherin to cardio-metabolic function...
August 18, 2017: Endocrine, Metabolic & Immune Disorders Drug Targets
https://www.readbyqxmd.com/read/28819878/aspergillus-bronchitis-in-patients-with-cystic-fibrosis
#17
Claudia Brandt, Jobst Roehmel, Volker Rickerts, Volker Melichar, Nadja Niemann, Carsten Schwarz
Aspergillus fumigatus frequently colonizes the airways of patients with cystic fibrosis (CF) and may cause various severe infections, such as bronchitis. Serological data, sputum dependent markers and longitudinal data of treated cases of Aspergillus bronchitis were evaluated for further description of this infection. This study, which comprises three substudies, aimed to analyze epidemiological data of Aspergillus in CF and the entity of Aspergillus bronchitis. In a first step, data of the German Cystic Fibrosis Registry were used to evaluate the frequency of Aspergillus colonization in patients with CF (n = 2599)...
August 17, 2017: Mycopathologia
https://www.readbyqxmd.com/read/28819856/fiber-optic-array-scanning-technology-fast-for-detection-and-molecular-characterization-of-circulating-tumor-cells
#18
Zheng Ao, Xiaohe Liu
Circulating tumor cell (CTC) as an important component in "liquid biopsy" holds crucial clinical relevance in cancer prognosis, treatment efficiency evaluation, prediction and potentially early detection. Here, we present a Fiber-optic Array Scanning Technology (FAST) that enables antigen-agnostic, size-agnostic detection of CTC. By immunofluorescence staining detection of a combination of a panel of markers, FAST technology can be applied to detect rare CTC in non-small cell lung cancer (NSCLC) setting with high sensitivity and specificity...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28819840/microfluidic-based-enrichment-and-retrieval-of-circulating-tumor-cells-for-rt-pcr-analysis
#19
Priya Gogoi, Saedeh Sepehri, Will Chow, Kalyan Handique, Yixin Wang
Molecular analysis of circulating tumor cells (CTCs) is hindered by low sensitivity and high level of background leukocytes of currently available CTC enrichment technologies. We have developed a novel device to enrich and retrieve CTCs from blood samples by using a microfluidic chip. The Celsee PREP100 device captures CTCs with high sensitivity and allows the captured CTCs to be retrieved for molecular analysis. It uses the microfluidic chip which has approximately 56,320 capture chambers. Based on differences in cell size and deformability, each chamber ensures that small blood escape while larger CTCs of varying sizes are trapped and isolated in the chambers...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28819805/diversity-and-evolution-of-leaf-anatomical-characters-in-taxaceae-s-l-fluorescence-microscopy-reveals-new-delimitating-characters
#20
Christoph Elpe, Patrick Knopf, Thomas Stützel, Christian Schulz
Taxaceae s.l. comprise six genera (including Cephalotaxus) and about 35 species; The present study aims to give new insights into the evolution of this family, especially into the phylogenetic position of Cephalotaxus. Moreover, only little is known about comparative leaf anatomy of this family and this study aims to expose and interpret the diversity and evolution of leaf anatomical characters and to assess their applicability to identify taxa at the generic and species level. A detailed phylogeny was reconstructed, using both maximum likelihood and Bayesian inference, with a combined dataset of four molecular markers from the plastid and nuclear genomes...
August 17, 2017: Journal of Plant Research
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