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https://www.readbyqxmd.com/read/27922054/first-insight-into-the-proteome-landscape-of-the-porcine-short-posterior-ciliary-arteries-key-signalling-pathways-maintaining-physiologic-functions
#1
Caroline Manicam, Natarajan Perumal, Norbert Pfeiffer, Franz H Grus, Adrian Gericke
Short posterior ciliary arteries (sPCA) provide the major blood supply to the optic nerve head. Emerging evidence has linked structural and functional anomalies of sPCA to the pathogenesis of several ocular disorders that cause varying degrees of visual loss, particularly anterior ischaemic optic neuropathy and glaucoma. Although the functional relevance of this vascular bed is well-recognized, the proteome of sPCA remains uncharacterized. Since the porcine ocular system closely resembles that of the human's and is increasingly employed in translational ophthalmic research, this study characterized the proteome of porcine sPCA employing the mass spectrometry-based proteomics strategy...
December 6, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27921079/data-file-of-a-deep-proteome-analysis-of-the-prefrontal-cortex-in-aged-mice-with-progranulin-deficiency-or-neuronal-overexpression-of-progranulin
#2
Juliana Heidler, Stefanie Hardt, Ilka Wittig, Irmgard Tegeder
Progranulin deficiency is associated with neurodegeneration in humans and in mice. The mechanisms likely involve progranulin-promoted removal of protein waste via autophagy. We performed a deep proteomic screen of the pre-frontal cortex in aged (13-15 months) female progranulin-deficient mice (GRN(-/-)) and mice with inducible neuron-specific overexpression of progranulin (SLICK-GRN-OE) versus the respective control mice. Proteins were extracted and analyzed per liquid chromatography/mass spectrometry (LC/MS) on a Thermo Scientific™ Q Exactive Plus equipped with an ultra-high performance liquid chromatography unit and a Nanospray Flex Ion-Source...
December 2016: Data in Brief
https://www.readbyqxmd.com/read/27920755/finding-potential-therapeutic-targets-against-shigella-flexneri-through-proteome-exploration
#3
Mohammad Uzzal Hossain, Md Arif Khan, Abu Hashem, Md Monirul Islam, Mohammad Neaz Morshed, Chaman Ara Keya, Md Salimullah
Background:Shigella flexneri is a gram negative bacteria that causes the infectious disease "shigellosis." S. flexneri is responsible for developing diarrhea, fever, and stomach cramps in human. Antibiotics are mostly given to patients infected with shigella. Resistance to antibiotics can hinder its treatment significantly. Upon identification of essential therapeutic targets, vaccine and drug could be effective therapy for the treatment of shigellosis. Methods: The study was designed for the identification and qualitative characterization for potential drug targets from S...
2016: Frontiers in Microbiology
https://www.readbyqxmd.com/read/27918561/a-human-microprotein-that-interacts-with-the-mrna-decapping-complex
#4
Nadia G D'Lima, Jiao Ma, Lauren Winkler, Qian Chu, Ken H Loh, Elizabeth O Corpuz, Bogdan A Budnik, Jens Lykke-Andersen, Alan Saghatelian, Sarah A Slavoff
Proteomic detection of non-annotated microproteins indicates the translation of hundreds of small open reading frames (smORFs) in human cells, but whether these microproteins are functional or not is unknown. Here, we report the discovery and characterization of a 7-kDa human microprotein we named non-annotated P-body dissociating polypeptide (NoBody). NoBody interacts with mRNA decapping proteins, which remove the 5' cap from mRNAs to promote 5'-to-3' decay. Decapping proteins participate in mRNA turnover and nonsense-mediated decay (NMD)...
December 5, 2016: Nature Chemical Biology
https://www.readbyqxmd.com/read/27918155/human-brain-proteome-in-health-and-disease
#5
EDITORIAL
Renã A S Robinson, Melanie Föcking, Daniel Martins-de-Souza
No abstract text is available yet for this article.
December 2016: Proteomics. Clinical Applications
https://www.readbyqxmd.com/read/27917957/refined-purification-strategy-for-reliable-proteomic-profiling-of-hdl2-3-impact-on-proteomic-complexity
#6
Michael Holzer, Sabine Kern, Ruth Birner-Grünberger, Sanja Curcic, Akos Heinemann, Gunther Marsche
Proteomics have extended the list of high-density lipoprotein (HDL) associated proteins to about 90. One of the major issues of global protein characterization is establishing specificity of association as opposed to contamination, a fact which has never been addressed for isolated HDL. We have developed a refined purification strategy to isolate HDL by density, followed by purification by size to generate "highly purified" fractions of HDL2/3, which allow the reliable quantification of the HDL proteome for biomarker discovery...
December 5, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27917503/responses-of-a549-human-lung-epithelial-cells-to-cristobalite-and-%C3%AE-quartz-exposures-assessed-by-toxicoproteomics-and-gene-expression-analysis
#7
Ngoc Q Vuong, Patrick Goegan, Francesco De Rose, Dalibor Breznan, Errol M Thomson, Julie S O'Brien, Subramanian Karthikeyan, Andrew Williams, Renaud Vincent, Premkumari Kumarathasan
In this study, we used cytotoxicity assays, proteomic and gene expression analyses to examine the difference in response of A549 cells to two silica particles that differ in physical properties, namely cristobalite (CR) and α-quartz (Min-U-Sil 5, MI). Cytotoxicity assays such as lactate dehydrogenase release, 5-bromo-2'-deoxyuridine incorporation and cellular ATP showed that both silica particles could cause cell death, decreased cell proliferation and metabolism in the A549 human lung epithelial cells. While cytotoxicity assays revealed little difference between CR and MI exposures, proteomic and gene expression analyses unveiled both similar and unique molecular changes in A549 cells...
December 5, 2016: Journal of Applied Toxicology: JAT
https://www.readbyqxmd.com/read/27915248/comparative-proteomic-analysis-unravels-a-role-for-esrb-in-the-regulation-of-reactive-oxygen-species-stress-responses-in-edwardsiella-piscicida
#8
Kaiyu Yin, Qiyao Wang, Jingfan Xiao, Yuanxing Zhang
As a leading pathogen, Edwardsiella piscicida can cause hemorrhagic septicemia in fish and gastro-intestinal infections in humans. The two-component regulatory system EsrA-EsrB plays essential roles in pathogenesis through the type III and type VI secretion systems, and hemolysin production in E. piscicida It is unclear whether other virulence- or stress response-associated genes are regulated by EsrA-EsrB. In this study, the proteomes of wild type E. piscicida EIB202 and esrB mutant strains were compared to reveal EsrB regulon components after growth in LB...
December 2, 2016: FEMS Microbiology Letters
https://www.readbyqxmd.com/read/27915054/curdione-attenuates-thrombin-induced-human-platelet-activation-%C3%AE-1-tubulin-as-a-potential-therapeutic-target
#9
Dongling Zhang, Wenhao Qiao, Yingli Zhao, Hui Fang, Dujuan Xu, Quan Xia
Rhizoma Curcumae, the dry rhizomes derived from Curcuma aromatica Salisb., are a classical Chinese medicinal herb used to activate blood circulation, remove blood stasis and alleviate pain. Our previous study proved that curdione, a sesquiterpene compound isolated from the essential oil of Curcuma aromatica Salisb. can inhibit platelet activation suggesting its significant anticoagulant and antithrombotic effects. However, the underlying mechanism of curdione mediated anti-platelet effect has not been fully elucidated...
November 30, 2016: Fitoterapia
https://www.readbyqxmd.com/read/27914737/targeted-proteomics-of-cannabinoid-receptor-cb1-and-the-cb1b-isoform
#10
Soumita Ghosh, Isabel González-Mariscal, Josephine M Egan, Ruin Moaddel
Cannabinoid receptors (CBR), including CB1 and CB2 have been therapeutic targets for a number of conditions. Recently, splice variants of the CB1R have been identified in humans. The isoforms differ in their N-terminus sequence and pharmacological activity relative to the CB1R, as a result, the differentiation between the CB1 receptor and its isoform is required. As a result, a selected reaction monitoring mass spectrometry (SRM-MS) method was developed for the quantitation of CB1 and the CB1b isoform in CHO cells transduced with CB1 and CB1b...
November 11, 2016: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/27913581/a-proteomic-approach-to-analyse-the-aspirin-mediated-lysine-acetylome
#11
Michael H Tatham, Christian Cole, Paul Scullion, Ross Wilkie, Nicholas J Westwood, Lesley A Stark, Ronald T Hay
Aspirin, or acetylsalicylic acid is widely used to control pain, inflammation and fever. Important to this function is its ability to irreversibly acetylate cyclooxygenases at active site serines. Aspirin has the potential to acetylate other amino-acid side-chains, leading to the possibility that aspirin-mediated lysine acetylation could explain some of its as-yet unexplained drug actions or side-effects. Using isotopically labeled aspirin-d3, in combination with acetylated lysine purification and LC-MS/MS, we identified over 12000 sites of lysine acetylation from cultured human cells...
December 2, 2016: Molecular & Cellular Proteomics: MCP
https://www.readbyqxmd.com/read/27913109/protein-profiles-of-taenia-solium-cysts-obtained-from-skeletal-muscles-and-the-central-nervous-system-of-pigs-search-for-tissue-specific-proteins
#12
José Navarrete-Perea, Bárbara Moguel, Raúl José Bobes, Nelly Villalobos, Julio César Carrero, Edda Sciutto, Xavier Soberón, Juan Pedro Laclette
Taeniasis/cysticercosis caused by the tapeworm Taenia solium is a parasite disease transmitted among humans and pigs, the main intermediate host. The larvae/cysts can lodge in several tissues of the pig, i.e. skeletal muscles and different locations of the central nervous system. The molecular mechanisms associated to tissue preferences of the cysts remain poorly understood. The major public health concern about this zoonosis is due to the human infections by the larval form in the central nervous system, causing a highly pleomorphic and debilitating disease known as neurocysticercosis...
November 29, 2016: Experimental Parasitology
https://www.readbyqxmd.com/read/27909055/molecular-identification-of-d-ribulokinase-in-budding-yeast-and-mammals
#13
Charandeep Singh, Enrico Glaab, Carole L Linster
Proteomes of even well characterized organisms still contain a high percentage of proteins with unknown or uncertain molecular and/or biological function. A significant fraction of those proteins are predicted to have catalytic properties. Here we aimed at identifying the function of the Saccharomyces cerevisiae Ydr109c protein and of its human homolog FGGY, both of which belong to the broadly conserved FGGY family of carbohydrate kinases. Functionally identified members of this family phosphorylate 3- to 7-carbon sugars or sugar derivatives, but the endogenous substrate of S...
December 1, 2016: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/27908912/a-deep-proteome-analysis-identifies-the-complete-secretome-as-the-functional-unit-of-human-cardiac-progenitor-cells
#14
Sudhish Sharma, Rachana Mishra, Grace E Bigham, Brody Wehman, Mohd M Khan, Huichun Xu, Progyaparamita Saha, Young Ah Goo, Srinivisa R Datla, Ling Chen, Mohan E Tulapurkar, Bradley S Taylor, Peixin Yang, Sotirios K Karathanasis, David R Goodlett, Sunjay Kaushal
RATIONALE: Cardiac progenitor cells are an attractive cell type for tissue regeneration but their mechanism for myocardial remodeling is still unclear. OBJECTIVE: This investigation determines how chronological age influences the phenotypic characteristics and the secretome of human cardiac progenitor cells (CPCs), as well as their potential to recover injured myocardium. METHODS AND RESULTS: Adult (aCPCs) and neonatal (nCPCs) cells were derived from patients more than 40 years or less than one month of age, respectively, and their functional potential was determined in a rodent myocardial infarction (MI) model...
December 1, 2016: Circulation Research
https://www.readbyqxmd.com/read/27907131/itraq-based-quantitative-proteomic-comparison-of-early-and-late-passage-human-dermal-papilla-cell-secretome-in-relation-to-inducing-hair-follicle-regeneration
#15
Huan Zhang, Ning-Xia Zhu, Keng Huang, Bo-Zhi Cai, Yang Zeng, Yan-Ming Xu, Yang Liu, Yan-Ping Yuan, Chang-Min Lin
Alopecia is an exceedingly prevalent problem that lacks effective therapy. Recently, research has focused on early-passage dermal papilla cells (DPCs), which have hair inducing activity both in vivo and in vitro. Our previous study indicated that factors secreted from early-passage DPCs contribute to hair follicle (HF) regeneration. To identify which factors are responsible for HF regeneration and why late-passage DPCs lose this potential, we collected 48-h-culture medium (CM) from both of passage 3 and 9 DPCs, and subcutaneously injected the DPC-CM into NU/NU mice...
2016: PloS One
https://www.readbyqxmd.com/read/27904885/a-novel-protective-vaccine-antigen-from-the-core-escherichia-coli-genome
#16
Danilo G Moriel, Lendl Tan, Kelvin G K Goh, Minh-Duy Phan, Deepak S Ipe, Alvin W Lo, Kate M Peters, Glen C Ulett, Scott A Beatson, Mark A Schembri
Escherichia coli is a versatile pathogen capable of causing intestinal and extraintestinal infections that result in a huge burden of global human disease. The diversity of E. coli is reflected by its multiple different pathotypes and mosaic genome composition. E. coli strains are also a major driver of antibiotic resistance, emphasizing the urgent need for new treatment and prevention measures. Here, we used a large data set comprising 1,700 draft and complete genomes to define the core and accessory genome of E...
November 2016: MSphere
https://www.readbyqxmd.com/read/27903914/proteomic-analysis-of-the-human-keops-complex-identifies-c14orf142-as-a-core-subunit-homologous-to-yeast-gon7
#17
Leo C K Wan, Pierre Maisonneuve, Rachel K Szilard, Jean-Philippe Lambert, Timothy F Ng, Noah Manczyk, Hao Huang, Rob Laister, Amy A Caudy, Anne-Claude Gingras, Daniel Durocher, Frank Sicheri
The KEOPS/EKC complex is a tRNA modification complex involved in the biosynthesis of N(6)-threonylcarbamoyladenosine (t(6)A), a universally conserved tRNA modification found on ANN-codon recognizing tRNAs. In archaea and eukaryotes, KEOPS is composed of OSGEP/Kae1, PRPK/Bud32, TPRKB/Cgi121 and LAGE3/Pcc1. In fungi, KEOPS contains an additional subunit, Gon7, whose orthologs outside of fungi, if existent, remain unidentified. In addition to displaying defective t(6)A biosynthesis, Saccharomyces cerevisiae strains harboring KEOPS mutations are compromised for telomere homeostasis, growth and transcriptional co-activation...
November 29, 2016: Nucleic Acids Research
https://www.readbyqxmd.com/read/27903678/adnp-is-a-therapeutically-inducible-repressor-of-wnt-signaling-in-colorectal-cancer
#18
Cristina Blaj, Agnes Bringmann, Eva Marina Schmidt, Manuela Urbischek, Sebastian Lamprecht, Thomas Fröhlich, Georg J Arnold, Stefan Krebs, Helmut Blum, Heiko Hermeking, Andreas Jung, Thomas Kirchner, David Horst
PURPOSE: Constitutively active WNT signaling is hallmark of colorectal cancers and driver of malignant tumor progression. Therapeutic targeting of WNT signaling is difficult due to high pathway complexity and its role in tissue homeostasis. Here we identify the transcription factor ADNP as a pharmacologically inducible repressor of WNT signaling in colon cancer. EXPERIMENTAL DESIGN: We used transcriptomic, proteomic, and in situ analyses to identify ADNP expression in colorectal cancer, and cell biology approaches to determine its function...
November 30, 2016: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/27901589/the-human-adrenal-gland-proteome-defined-by-transcriptomics-and-antibody-based-profiling
#19
Julia Bergman, Johan Botling, Linn Fagerberg, Björn M Hallström, Dijana Djureinovic, Mathias Uhlén, Fredrik Pontén
The adrenal gland is a composite endocrine organ with vital functions that include the synthesis and release of glucocorticoids and catecholamines. To define the molecular landscape that underlies the specific functions of the adrenal gland, we combined a genome-wide transcriptomics approach based on mRNA sequencing of human tissues with immunohistochemistry-based protein profiling on tissue microarrays. Approximately two-thirds of all putative protein coding genes were expressed in the adrenal gland and the analysis identified 253 genes with an elevated pattern of expression in the adrenal gland, with only 37 genes showing a markedly higher expression level (>5-fold) in the adrenal gland compared to 31 other normal human tissue types analyzed...
November 30, 2016: Endocrinology
https://www.readbyqxmd.com/read/27900319/spleen-dependent-immune-protection-elicited-by-cpg-adjuvanted-reticulocyte-derived-exosomes-from-malaria-infection-is-associated-with-changes-in-t-cell-subsets-distribution
#20
Lorena Martín-Jaular, Armando de Menezes-Neto, Marta Monguió-Tortajada, Aleix Elizalde-Torrent, Míriam Díaz-Varela, Carmen Fernández-Becerra, Francesc E Borras, Maria Montoya, Hernando A Del Portillo
Reticulocyte-derived exosomes (rex) are 30-100 nm membrane vesicles of endocytic origin released during the maturation of reticulocytes to erythrocytes upon fusion of multivesicular bodies with the plasma membrane. Combination of CpG-ODN with rex obtained from BALB/c mice infected with the reticulocyte-prone non-lethal P. yoelii 17X malaria strain (rexPy), had been shown to induce survival and long lasting protection. Here, we show that splenectomized mice are not protected upon rexPy+CpG inmunizations and that protection is restored upon passive transfer of splenocytes obtained from animals immunized with rexPy+CpG...
2016: Frontiers in Cell and Developmental Biology
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