PubMed Journals Articles About "Proteome Sciences Plc." RSS

07:43 EST 20th January 2019 | BioPortfolio

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Showing "Proteome Sciences" PubMed Articles 1–25 of 4,000+

Monitoring Proteome Stress in Live Cells Using HaloTag-Based Fluorogenic Sensor.

Fluorescent folding sensor is a powerful tool to detect proteome stresses, including heat, osmotic, oxidative, and drug induced stresses. Monitoring proteome stress using these sensors allows us to dissect the mechanism of cellular stress and find therapeutics that ameliorate stress related diseases. Here we present a HaloTag-based fluorogenic proteome stress sensor (AgHalo) to robustly detect and quantify proteome stresses in live cells. We describe how proteome stresses are monitored in both bacterial and...

Multiomics of azacitidine-treated AML cells reveals variable and convergent targets that remodel the cell-surface proteome.

Myelodysplastic syndromes (MDS) and acute myeloid leukemia (AML) are diseases of abnormal hematopoietic differentiation with aberrant epigenetic alterations. Azacitidine (AZA) is a DNA methyltransferase inhibitor widely used to treat MDS and AML, yet the impact of AZA on the cell-surface proteome has not been defined. To identify potential therapeutic targets for use in combination with AZA in AML patients, we investigated the effects of AZA treatment on four AML cell lines representing different stages of ...

Comparison of the Rat and Human Dorsal Root Ganglion Proteome.

Dorsal root ganglion (DRG) are a key tissue in the nervous system that have a role in neurological disease, particularly pain. Despite the importance of this tissue, the proteome of DRG is poorly understood, and it is unknown whether the proteome varies between organisms or different DRG along the spine. Therefore, we profiled the proteome of human and rat DRG. We identified 5,245 proteins in human DRG and 4959 proteins in rat DRG. Across species the proteome is largely conserved with some notable differenc...

An update of the functional mitochondrial human proteome network.

Due to the pivotal role of mitochondrial alterations in several diseases, the Human Proteome Organization (HUPO) has promoted in recent years an initiative to characterize the mitochondrial human proteome, the mitochondrial human proteome project (mt-HPP). Here, we generated an updated version of the functional mitochondrial human proteome network, made by nodes (mitochondrial proteins) and edges (gold binary interactions), using data retrieved from neXtProt, the reference database for HPP metrics. The prin...

iTRAQ-based quantitative analysis of age-specific variations in salivary proteome of caries-susceptible individuals.

Human saliva is a protein-rich, easily accessible source of potential biomarkers for the diagnosis of oral and systemic diseases. However, little is known about the changes in salivary proteome associated with aging of patients with dental caries. Here, we applied isobaric tags for relative and absolute quantitation (iTRAQ) in combination with multiple reaction monitoring mass spectrometry (MRM-MS) to characterize the salivary proteome profiles of subjects of different ages, presenting with and without cari...

Salivary proteome patterns of individuals exposed to High Altitude.

Identification of molecular signatures having key roles in hypobaric hypoxia by analysing the salivary proteome. Saliva holds a promising future in the search for new clinical biomarkers that are easily accessible, less complex, accurate, and cost effective as well as being non-invasive.

Knockdown of the Small Heat Shock Protein, p26 by RNA Interference Modifies the Diapause Proteome of Artemia franciscana.

Embryos of the crustacean, Artemia franciscana may arrest as gastrulae, forming cysts that enter diapause, a state of reduced metabolism and enhanced stress tolerance. Diapausing cysts survive physiological stresses for years, due in part to molecular chaperones. p26, a small heat shock protein, is an abundant diapause-specific molecular chaperone in cysts and it affects embryo development and stress tolerance. p26 is therefore thought to influence many proteins in cysts and this study was undertaken to det...

Extending single molecule imaging to proteome analysis by quantitation of fluorescent labeling homogeneity in complex protein samples.

Fluorescence-based electrophoresis has been widely used for proteome analysis, in which every protein species in cells are labeled with a fluorescent dye, separated by electric migration and are quantified using fluorescence detection. The ultimate limit of sensitivity for this approach could be reached by single-molecule fluorescence imaging and counting individual proteins, requiring exhaustive fluorescent labeling of proteins across molecular populations and species. However, it remains unclear how homog...

Affinity Purification of Methyllysine Proteome by Site-Specific Covalent Conjugation.

To separate the targeted proteome from the whole protein mixture is a basic but critical step of affinity-purification coupled to mass spectrometry (AP-MS). The bait protein is usually immobilized on the surface of a solid support to enable affinity-based purification of the targeted proteome. Here, we developed a site-specific covalent immobilization of the bait protein through an affinity-guided covalent coupling (AGCC) of a single cysteine residue of an SH2 domain (utilized as an affinity tag of the prot...

Orthologous proteins of experimental de- and remyelination are differentially regulated in the CSF proteome of multiple sclerosis subtypes.

Here, we applied a multi-omics approach (i) to examine molecular pathways related to de- and remyelination in multiple sclerosis (MS) lesions; and (ii) to translate these findings to the CSF proteome in order to identify molecules that are differentially expressed among MS subtypes.

Flexible and fast mapping of peptides to a proteome with ProteoMapper.

Bottom-up proteomics relies on the proteolytic or chemical cleavage of proteins into peptides, the identification of those peptides via mass spectrometry, and the mapping of the identified peptides back to the reference proteome to infer which possible proteins are identified. Reliable mapping of peptides to proteins still poses substantial challenges when considering similar proteins, protein families, splice isoforms, sequence variation, and possible residue mass modifications, combined with an imperfect ...

Identification of viral domains integrated into Arabidopsis proteome.

Horizontal gene transfer (HGT) contributes to the genome evolution of living organisms. In particular, several recent studies provide convincing data on the integration of viral sequences into diverse organisms. Here, we identified 101 viral domains integrated into the model plant Arabidopsis proteome. Functional analysis based on gene ontology (GO) terms indicates that viral domains in the Arabidopsis proteome were involved in various stress responses with binding functions. Protein interaction networks su...

Alteration of the colostrum whey proteome in mothers with gestational hypothyroidism.

Gestational hypothyroidism (G-HypoT) is one of the most common thyroid diseases in pregnant women. Human milk, which closely links the mother with infant, is an important factor to the infant health. Here, we analyzed the colostrum whey proteome of women with or without G-HypoT.

Quantitative Urinary Proteome Reveals Potential Biomarkers for Ureteropelvic Junction Obstruction.

Ureteropelvic junction obstruction (UPJO) is a common obstructive disease. To investigate the usefulness urinary biomarkers in UPJO children, we analyzed the urinary proteome in UPJO infants and compared it with normal controls.

SubCellBarCode: Proteome-wide Mapping of Protein Localization and Relocalization.

Subcellular localization is a main determinant of protein function; however, a global view of cellular proteome organization remains relatively unexplored. We have developed a robust mass spectrometry-based analysis pipeline to generate a proteome-wide view of subcellular localization for proteins mapping to 12,418 individual genes across five cell lines. Based on more than 83,000 unique classifications and correlation profiling, we investigate the effect of alternative splicing and protein domains on local...

Remodeling of the HDL proteome with treatment response to abatacept or adalimumab in the AMPLE trial of patients with rheumatoid arthritis.

To evaluate changes in the high-density lipoprotein (HDL) proteome and HDL function in active rheumatoid arthritis (RA) patients initiating therapy with abatacept or adalimumab in the Abatacept Versus Adalimumab Comparison in Biologic-Naïve RA Subjects with Background Methotrexate (AMPLE) study.

Plasma Vitamin B12, Supplementation and Mortality.

Thermal proteome profiling in bacteria: probing protein state .

Increasing antibiotic resistance urges for new technologies for studying microbes and antimicrobial mechanism of action. We adapted thermal proteome profiling (TPP) to probe the thermostability of proteins had a more thermostable proteome than human cells, with protein thermostability depending on subcellular location-forming a high-to-low gradient from the cell surface to the cytoplasm. While subunits of protein complexes residing in one compartment melted similarly, protein complexes spanning compartmen...

Systemic and Reflexive: Foundations of Cumulative Dis/Advantage and Life-Course Processes.

Recruitment for a Pragmatic Clinical Trial to Reduce Fall Injuries.

Proteomic analyses reveal lower expression of TEX40 and ATP6V0A2 proteins related to calcium ion entry and acrosomal acidification in asthenozoospermic males.

Idiopathic nature of male infertility disorder needs to be investigated by different horizons of molecular biology for its treatment and to device male contraceptive. Further, it can also aid in advancement of assisted reproductive technology (ART), as nowadays the failure and disquiets of ART are consistent. Herein, we have attempted to find out proteins responsible for male infertility by comparing proteome profile of sperms collected from normal control and asthenozoospermic (AS) males.

Dynamic changes of urinary proteins in a rat model of acute hypercoagulable state induced by tranexamic acid.

The hypercoagulable state leads to the development of thrombotic diseases, but it is difficult to diagnose due to the lack of available biomarkers. This study aimed to investigate systematic changes of the urinary proteome in the acute hypercoagulable state. A rat model of the acute hypercoagulable state was induced by an antifibrinolytic agent tranexamic acid and urine samples were collected for proteomic analysis by liquid chromatography-tandem mass spectrometry. A total of 28 differential proteins were d...

Seasonal changes in the proteome of cryopreserved bull semen supernatant.

Seasonal variability in cattle fertility may be attributed to male reproduction, including the quality of semen produced by males and its usefulness after cryopreservation. The exact molecular mechanisms responsible for such seasonal variation are not entirely known. The aim of our study was to evaluate the changes in the proteome of cryopreserved bull (Bos taurus) semen supernatant throughout the year. The quality of cryopreserved semen collected from the same Limousin bulls during spring, summer, autumn a...

Corrigendum to: The Effect of Aging on Acetaminophen Pharmacokinetics, Toxicity and Nrf2 in Fischer 344 Rats.

Identification and characterisation of the zebra finch (Taeniopygia guttata) sperm proteome.

Spermatozoa exhibit remarkable variability in size, shape, and performance. Our understanding of the molecular basis of this variation, however, is limited, especially in avian taxa. The zebra finch (Taeniopygia guttata) is a model organism in the study of avian sperm biology and sperm competition. Using LC-MS based proteomics, we identify and describe 494 proteins of the zebra finch sperm proteome (ZfSP). Gene ontology and associated bioinformatics analyses revealed a rich repertoire of proteins essential ...

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