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Träfflista för sökning "WFRF:(Oehler M.) srt2:(2015-2019)"

Sökning: WFRF:(Oehler M.) > (2015-2019)

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1.
  • Chatterjee, S., et al. (författare)
  • Protein Paucimannosylation Is an Enriched N-Glycosylation Signature of Human Cancers
  • 2019
  • Ingår i: Proteomics. - : Wiley. - 1615-9853 .- 1615-9861. ; 19:21-22
  • Tidskriftsartikel (refereegranskat)abstract
    • While aberrant protein glycosylation is a recognized characteristic of human cancers, advances in glycoanalytics continue to discover new associations between glycoproteins and tumorigenesis. This glycomics‐centric study investigates a possible link between protein paucimannosylation, an under‐studied class of human N‐glycosylation [Man1‐3GlcNAc2Fuc0‐1], and cancer. The paucimannosidic glycans (PMGs) of 34 cancer cell lines and 133 tissue samples spanning 11 cancer types and matching non‐cancerous specimens are profiled from 467 published and unpublished PGC‐LC‐MS/MS N‐glycome datasets collected over a decade. PMGs, particularly Man2‐3GlcNAc2Fuc1, are prominent features of 29 cancer cell lines, but the PMG level varies dramatically across and within the cancer types (1.0–50.2%). Analyses of paired (tumor/non‐tumor) and stage‐stratified tissues demonstrate that PMGs are significantly enriched in tumor tissues from several cancer types including liver cancer (p = 0.0033) and colorectal cancer (p = 0.0017) and is elevated as a result of prostate cancer and chronic lymphocytic leukaemia progression (p < 0.05). Surface expression of paucimannosidic epitopes is demonstrated on human glioblastoma cells using immunofluorescence while biosynthetic involvement of N‐acetyl‐β‐hexosaminidase is indicated by quantitative proteomics. This intriguing association between protein paucimannosylation and human cancers warrants further exploration to detail the biosynthesis, cellular location(s), protein carriers, and functions of paucimannosylation in tumorigenesis and metastasis.
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  • Bachmaier, Hans, et al. (författare)
  • Bereal - method for pellet stoves : Field test and round robin
  • 2017
  • Ingår i: European Biomass Conf. Exhib. Proc.. - : ETA-Florence Renewable Energies. ; , s. 642-647
  • Konferensbidrag (refereegranskat)abstract
    • Recent pellet stoves perform excellently under type test conditions. In contrast, typical real life emissions show significantly higher values under usual operational conditions. Consequently, type testing procedures may not account for real life stove operation and, thus, do not allow to distinguish between low- and high-tech appliances. The EU-project beReal aimed at the development of a testing method for pellet stoves that reflects real life operations better and to support innovative pellet stoves that perform well under typical operational conditions. Based on an online survey and field observations, an advanced real life testing procedure for pellet stoves was established reflecting real life user behavior, e.g. regarding different load levels and the ignition phase. A field test was designed at the end of the project to demonstrate the applicability and practical relevance. The field test proved that emission values for beReal at the test stand and in the field stay within the same range. A Round Robin test proved the repeatability and reproducibility of the beReal testing procedure. The beReal method can be reproduced with the same statistical variability or performed even better than the type testing method with exception of PM between different laboratories. © 2017, ETA-Florence Renewable Energies. All rights reserved.
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6.
  • Condello, Carlo, et al. (författare)
  • Structural heterogeneity and intersubject variability of A beta in familial and sporadic Alzheimer's disease
  • 2018
  • Ingår i: Proceedings of the National Academy of Sciences of the United States of America. - : NATL ACAD SCIENCES. - 0027-8424 .- 1091-6490. ; 115:4, s. E782-E791
  • Tidskriftsartikel (refereegranskat)abstract
    • Point mutations in the amyloid-beta (A beta) coding region produce a combination of mutant and WT A beta isoforms that yield unique clinicopathologies in familial Alzheimer's disease (fAD) and cerebral amyloid angiopathy (fCAA) patients. Here, we report a method to investigate the structural variability of amyloid deposits found in fAD, fCAA, and sporadic AD (sAD). Using this approach, we demonstrate that mutant A beta determines WT A beta conformation through prion template-directed misfolding. Using principal component analysis of multiple structure-sensitive fluorescent amyloid-binding dyes, we assessed the conformational variability of A beta deposits in fAD, fCAA, and sAD patients. Comparing many deposits from a given patient with the overall population, we found that intrapatient variability is much lower than interpatient variability for both disease types. In a given brain, we observed one or two structurally distinct forms. When two forms coexist, they segregate between the parenchyma and cerebrovasculature, particularly in fAD patients. Compared with sAD samples, deposits from fAD patients show less intersubject variability, and little overlap exists between fAD and sAD deposits. Finally, we examined whether E22G (Arctic) or E22Q (Dutch) mutants direct the misfolding of WT A beta, leading to fAD-like plaques in vivo. Intracerebrally injecting mutant A beta 40 fibrils into transgenic mice expressing only WT A beta induced the deposition of plaques with many biochemical hallmarks of fAD. Thus, mutant A beta 40 prions induce a conformation of WT A beta similar to that found in fAD deposits. These findings indicate that diverse AD phenotypes likely arise from one or more initial A beta prion conformations, which kinetically dominate the spread of prions in the brain.
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7.
  • Sachet, M, et al. (författare)
  • The immune response to secondary necrotic cells
  • 2017
  • Ingår i: Apoptosis : an international journal on programmed cell death. - : Springer Science and Business Media LLC. - 1573-675X. ; 22:10, s. 1189-1204
  • Tidskriftsartikel (refereegranskat)
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