Abstract：
:Complicating proteomic analysis of whole tissues is the obvious problem of cell heterogeneity in tissues, which often results in misleading or confusing molecular findings. Thus, the coupling of tissue microdissection for tumor cell enrichment with capillary isotachophoresis-based selective analyte concentration not only serves as a synergistic strategy to characterize low abundance proteins, but it can also be employed to conduct comparative proteomic studies of human astrocytomas. A set of fresh frozen brain biopsies were selectively microdissected to provide an enriched, high quality, and reproducible sample of tumor cells. Despite sharing many common proteins, there are significant differences in the protein expression level among different grades of astrocytomas. A large number of proteins, such as plasma membrane proteins EGFR and Erbb2, are up-regulated in glioblastoma. Besides facilitating the prioritization of follow-on biomarker selection and validation, comparative proteomics involving measurements in changes of pathways are expected to reveal the molecular relationships among different pathological grades of gliomas and potential molecular mechanisms that drive gliomagenesis.
journal_name
J Proteome Resjournal_title
Journal of proteome researchauthors
Fang X,Wang C,Balgley BM,Zhao K,Wang W,He F,Weil RJ,Lee CSdoi
10.1021/pr300303tsubject
Has Abstractpub_date
2012-08-03 00:00:00pages
3937-46issue
8eissn
1535-3893issn
1535-3907journal_volume
11pub_type
杂志文章abstract：:In humans, the olfactory epithelium is located in two narrow passages, the olfactory clefts, at the upper part of the nasal cavities. The olfactory epithelium is covered by a mucus layer which is essential for the function of the olfactory neurons that are directly connected with the brain through the cribriform plate...
journal_title：Journal of proteome research
pub_type： 杂志文章
doi：10.1021/pr0606575
更新日期：2007-05-01 00:00:00
abstract：:Mass spectrometry (MS) is a widely used proteome analysis tool for biomedical science. In an MS-based bottom-up proteomic approach to protein identification, sequence database (DB) searching has been routinely used because of its simplicity and convenience. However, searching a sequence DB with multiple variable modif...
journal_title：Journal of proteome research
pub_type： 杂志文章
doi：10.1021/acs.jproteome.6b01019
更新日期：2017-12-01 00:00:00
abstract：:Histones are subjected to extensive post-translational modifications (PTMs) that are known to play key roles in many biological processes. In this study, we report a fast, efficient, highly reproducible, and easily automated method involving ultra-high performance liquid chromatography (UHPLC) coupled to a high resolu...
journal_title：Journal of proteome research
pub_type： 杂志文章
doi：10.1021/pr100497a
更新日期：2010-10-01 00:00:00
abstract：:As a potential tool for proteomics and protein characterization, in-gel cysteine- and arginine-specific cleavage is demonstrated by means of trypsin or endoproteinase Lys-C for six model proteins (lysozyme, alpha-lactalbumin, beta-lactoglobulin, ribonuclease A, albumin, and transferrin), ranging in size from 14 kDa to...
journal_title：Journal of proteome research
pub_type： 杂志文章
doi：10.1021/pr025568g
更新日期：2003-03-01 00:00:00
abstract：:Crohn's disease is an inflammatory disorder of the bowel, believed to arise from the dysregulation of intestinal mucosal immunity. The interleukin-10-deficient (IL10-/-) mouse, which develops intestinal inflammation in the presence of gut microflora, serves as a mouse model of Crohn's disease. Nontargeted urinary meta...
journal_title：Journal of proteome research
pub_type： 杂志文章
doi：10.1021/pr800999t
更新日期：2009-04-01 00:00:00
abstract：:The complete and specific proteolytic cleavage of protein samples into peptides is crucial for the success of every shotgun LC-MS/MS experiment. In particular, popular peptide-based label-free and targeted mass spectrometry approaches rely on efficient generation of fully cleaved peptides to ensure accurate and sensit...
journal_title：Journal of proteome research
pub_type： 杂志文章
doi：10.1021/pr300273g
更新日期：2012-11-02 00:00:00
abstract：:An unusual sulfotyrosine-, phosphoserine-containing motif was mapped on a differentially post-translationally modified 60 residue antimicrobial neuroendocrine peptide called chrombacin. The study was performed by high resolution FT MS using complementary fragmentation techniques. The peptide was analyzed at low levels...
journal_title：Journal of proteome research
pub_type： 杂志文章
doi：10.1021/pr7006686
更新日期：2008-02-01 00:00:00
abstract：:FDA oversight of medical devices, including in vitro diagnostic devices (IVDs or laboratory tests), in the United States was a direct result of the passage of the Medical Device Amendments of 1976. This law introduced a series of general controls for medical devices including registration and listing, requirements for...
journal_title：Journal of proteome research
pub_type： 杂志文章,评审
doi：10.1021/pr050059a
更新日期：2005-07-01 00:00:00
abstract：:Selected reaction monitoring (SRM) is a technique that applies tandem mass spectrometry to quantify specific proteins of biological interest. The key to SRM is finding the best peptide-to-product ion transitions to monitor. The MRMaid database (MRMaid-DB) is a new online database for capturing SRM transitions from pub...
journal_title：Journal of proteome research
pub_type： 杂志文章
doi：10.1021/pr900713u
更新日期：2010-01-01 00:00:00
abstract：:Automated sequencing of unknowns in bottom-up proteomics makes the data produced susceptible to process control errors, which can be propagated into mistakes in analyte identification. Inclusion of an unintrusive internal standard, such as lysozyme, allows monitoring all phases of the proteomics process including samp...
journal_title：Journal of proteome research
pub_type： 杂志文章
doi：10.1021/pr049819s
更新日期：2005-01-01 00:00:00
abstract：:Equine grass sickness (EGS) is a frequently fatal disease of horses, responsible for the death of 1 to 2% of the U.K. horse population annually. The etiology of this disease is currently uncharacterized, although there is evidence it is associated with Clostridium botulinum neurotoxin in the gut. Prevention is current...
journal_title：Journal of proteome research
pub_type： 杂志文章
doi：10.1021/acs.jproteome.7b00784
更新日期：2018-03-02 00:00:00
abstract：:Many tumors display significant cellular heterogeneity as well as molecular heterogeneity. Sensitive biomarkers that differentiate between diagnostically challenging tumors must contend with this heterogeneity. Mass spectrometry-based molecular histology of a patient series of heterogeneous, microscopically identical ...
journal_title：Journal of proteome research
pub_type： 杂志文章
doi：10.1021/pr301190g
更新日期：2013-04-05 00:00:00
abstract：:The SwePep database is designed for endogenous peptides and mass spectrometry. It contains information about the peptides such as mass, pl, precursor protein and potential post-translational modifications. Here, we have improved and extended the SwePep database with tandem mass spectra, by adding a locally curated ver...
journal_title：Journal of proteome research
pub_type： 杂志文章
doi：10.1021/pr800036d
更新日期：2008-07-01 00:00:00
abstract：:Deamidation of asparaginyl residues in proteins produces a mixture of asparaginyl, n-aspartyl, and isoaspartyl residues, which affects the proteins' structure, function, and stability. Thus, it is important to identify and quantify the products to evaluate the effects in biological systems. It is still a challenging t...
journal_title：Journal of proteome research
pub_type： 杂志文章
doi：10.1021/pr201048c
更新日期：2012-03-02 00:00:00
abstract：:Pancreatic cystic neoplasms represent 10-15% of primary cystic masses of the pancreas. While pancreatic cysts are detected with an increasing frequency due to the use of advanced imaging modalities in clinical practice, the diagnosis of pancreatic cystic neoplasms remains unsatisfactory because available diagnostic te...
journal_title：Journal of proteome research
pub_type： 杂志文章
doi：10.1021/pr2000557
更新日期：2011-05-06 00:00:00
abstract：:The ThinPrep cervical smear is widely used in clinical practice for the cytological and molecular screening against abnormal cells and Human Papillomavirus (HPV) infection. Current advancements made to LC-MS proteomics include the use of stable isotope labeling for the in-depth analysis of proteins in complex clinical...
journal_title：Journal of proteome research
pub_type： 杂志文章
doi：10.1021/pr301067r
更新日期：2013-05-03 00:00:00
abstract：:Nostoc punctiforme ATCC 29133 is a photoautotrophic cyanobacterium with the capacity to fix atmospheric N 2. Its ability to mediate this process is similar to that described for Nostoc sp. PCC 7120, where vegetative cells differentiate into heterocysts. Quantitative proteomic investigations at both the filament level ...
journal_title：Journal of proteome research
pub_type： 杂志文章
doi：10.1021/pr800285v
更新日期：2009-01-01 00:00:00
abstract：:Although some outer membrane (OM) proteins involved in antibiotic resistance have been previously reported, the OM proteins regulating chlortetracycline (CTC) resistance are largely unknown. In this study, we employed a subproteomics approach to identify altered OM proteins of Escherichia coli in response to CTC expos...
journal_title：Journal of proteome research
pub_type： 杂志文章
doi：10.1021/pr100740w
更新日期：2010-11-05 00:00:00
abstract：:The Lewis x (Le(x)) structure (Galβ1-4(Fucα1-3)GlcNAc-R) is a carbohydrate epitope comprising the stage-specific embryonic antigen-1 (SSEA-1) and CD15, and it is synthesized by α1,3-fucosyltransferase 9 (Fut9). Fut9 is expressed specifically in the stomach, kidney, brain, and in leukocytes, suggesting a specific funct...
journal_title：Journal of proteome research
pub_type： 杂志文章
doi：10.1021/acs.jproteome.5b00178
更新日期：2015-09-04 00:00:00
abstract：:The gut microbiota plays a critical role in the pathogenesis of nonalcoholic fatty liver disease (NAFLD). Increased fructose consumption and inadequate copper intake are two critical risk factors in the development of NAFLD. To gain insight into the role of gut microbiota, fecal metabolites, obtained from rats exposed...
journal_title：Journal of proteome research
pub_type： 杂志文章
doi：10.1021/acs.jproteome.5b00596
更新日期：2015-09-04 00:00:00
abstract：:Investigation of how diatoms cope with the rapid fluctuations in iron bioavailability in marine environments may facilitate a better understanding of the mechanisms underlying their ecological success, in particular their ability to proliferate rapidly during favorable conditions. In this study, using in vivo biochemi...
journal_title：Journal of proteome research
pub_type： 杂志文章
doi：10.1021/pr5004664
更新日期：2014-12-05 00:00:00
abstract：:Correct phosphorylation site assignment is a critical aspect of phosphoproteomic analysis. Large-scale phosphopeptide data sets that are generated through liquid chromatography-coupled tandem mass spectrometry (LC-MS/MS) analysis often contain hundreds or thousands of phosphorylation sites that require validation. To ...
journal_title：Journal of proteome research
pub_type： 杂志文章
doi：10.1021/pr800169k
更新日期：2008-07-01 00:00:00
abstract：:Butyrate, a fermentation product of the large bowel microflora, is potentially protective against the development of colorectal cancer. In vitro, butyrate has been shown to induce apoptosis and inhibit proliferation in numerous cancer cell lines, including colorectal cancer. Although these tumor suppressing properties...
journal_title：Journal of proteome research
pub_type： 杂志文章
doi：10.1021/pr8009929
更新日期：2009-03-01 00:00:00
abstract：:A comprehensive study of the molecular active landscape of human cells can be undertaken to integrate two different but complementary perspectives: transcriptomics, and proteomics. After the genome era, proteomics has emerged as a powerful tool to simultaneously identify and characterize the compendium of thousands of...
journal_title：Journal of proteome research
pub_type： 杂志文章
doi：10.1021/acs.jproteome.5b00474
更新日期：2015-09-04 00:00:00
abstract：:Proteins are involved in all tasks of life, and their characterization is essential to understand the underlying mechanisms of biological processes. We present a method called "differential visual proteomics" geared to study proteome-wide structural changes of proteins and protein-complexes between a disturbed and an ...
journal_title：Journal of proteome research
pub_type： 杂志文章
doi：10.1021/acs.jproteome.9b00447
更新日期：2019-09-06 00:00:00
abstract：:The coronavirus disease 2019 (COVID-19), caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), has impacted a large portion of the world population. From a virus genetic perspective, a recent study described what genomic data revealed about the origin and emergence of SARS-CoV-2, proposing stronger a...
journal_title：Journal of proteome research
pub_type： 杂志文章,评审
doi：10.1021/acs.jproteome.0c00671
更新日期：2020-11-06 00:00:00
abstract：:Ceramides are central molecules in sphingolipid metabolism. They are involved in the regulation of cancer-cell growth, differentiation, senescence and apoptosis. To better understand how these secondary messengers induce their biological effects, adenocarcinoma cells (HCT116) were treated with exogenous long-chain cer...
journal_title：Journal of proteome research
pub_type： 杂志文章
doi：10.1021/pr9005316
更新日期：2009-10-01 00:00:00
abstract：:Starting in 2007, we have grown soybean (Glycine max [L.] Merr. variety Soniachna) and flax (Linum usitatissimum, L. variety Kyivskyi) in the radio-contaminated Chernobyl area and analyzed the seed proteomes. In the second-generation flax seeds, we detected a 12% increase in oil content. To characterize the bases for ...
journal_title：Journal of proteome research
pub_type： 杂志文章
doi：10.1021/pr400528m
更新日期：2013-11-01 00:00:00
abstract：:The energy-dissipating alternative oxidase (AOX) from Hansenula anomala was expressed in Saccharomyces cerevisiae. The recombinant AOX was functional. A comparative analysis by two-dimensional differential in-gel electrophoresis (2D-DIGE) of mitochondrial protein patterns found in wild-type and recombinant AOX strains...
journal_title：Journal of proteome research
pub_type： 杂志文章
doi：10.1021/pr050346e
更新日期：2006-02-01 00:00:00
abstract：:Understanding how bacteria survive periods of cell wall stress is of fundamental interest and can help generate ideas for improved antibacterial treatments. In this study we use tandem mass tagging to characterize the proteomic response of vancomycin resistant Streptomyces coelicolor to the exposure to sublethal level...
journal_title：Journal of proteome research
pub_type： 杂志文章
doi：10.1021/acs.jproteome.5b00242
更新日期：2015-07-02 00:00:00
