Label-free quantification in clinical proteomics

DA Megger, T Bracht, HE Meyer, B Sitek - Biochimica et Biophysica Acta …, 2013 - Elsevier
Nowadays, proteomic studies no longer focus only on identifying as many proteins as possible
in a given sample, but aiming for an accurate quantification of them. Especially in clinical …

[PDF][PDF] Detection of novel biomarkers of liver cirrhosis by proteomic analysis

…, B Sitek, C Henkel, G Poschmann, B Sipos… - …, 2009 - Wiley Online Library
… A positive test for hepatitis B surface antigen or human immunodeficiency virus infection
was exclusion criteria. Only patients were included without indication of a hepatocellular carci…

Comparison of label-free and label-based strategies for proteome analysis of hepatoma cell lines

…, K Kuhlmann, M Eisenacher, HE Meyer, B Sitek - … et Biophysica Acta (BBA …, 2014 - Elsevier
… DA Megger and B. Sitek acknowledge the financial support from the PROFILE-consortium
Ruhr. The project has been selected under the operational program co-financed by the …

[HTML][HTML] Liver cancer cell lines distinctly mimic the metabolic gene expression pattern of the corresponding human tumours

…, N Battello, M Rothley, W Piorońska, B Sitek… - Journal of Experimental …, 2018 - Springer
Background Although metabolism is profoundly altered in human liver cancer, the extent to
which experimental models, eg cell lines, mimic those alterations is unresolved. Here, we …

[HTML][HTML] Identification of the consistently altered metabolic targets in human hepatocellular carcinoma

ZC Nwosu, DA Megger, S Hammad, B Sitek… - Cellular and molecular …, 2017 - Elsevier
Background & Aims Cancer cells rely on metabolic alterations to enhance proliferation and
survival. Metabolic gene alterations that repeatedly occur in liver cancer are largely unknown…

[HTML][HTML] Proteomic differences between hepatocellular carcinoma and nontumorous liver tissue investigated by a combined gel-based and label-free quantitative …

…, JF Schlaak, HA Baba, HE Meyer, B Sitek - Molecular & Cellular …, 2013 - ASBMB
Proteomics-based clinical studies have been shown to be promising strategies for the discovery
of novel biomarkers of a particular disease. Here, we present a study of hepatocellular …

Differential interferon-α subtype induced immune signatures are associated with suppression of SARS-CoV-2 infection

…, A Krawczyk, S Ludwig, B Sitek… - Proceedings of the …, 2022 - National Acad Sciences
Type I interferons (IFN-I) exert pleiotropic biological effects during viral infections, balancing
virus control versus immune-mediated pathologies, and have been successfully employed …

Retention time alignment algorithms for LC/MS data must consider non-linear shifts

…, A Fritsch, DC Chamrad, W Paul, B Sitek… - …, 2009 - academic.oup.com
… The typical curves are derived from an experiment where a single protein (phosphorylase
b) was … The random errors for rt are taken from the experiment with phosphorylase b. …

Application of fluorescence difference gel electrophoresis saturation labelling for the analysis of microdissected precursor lesions of pancreatic ductal …

B Sitek, J Lüttges, K Marcus, G Klöppel… - …, 2005 - Wiley Online Library
In order to identify new molecular markers for pancreatic intra‐epithelial neoplasias (PanINs),
the precursor lesions of pancreatic ductal adenocarcinoma, we established a proteomics …

Early leaf senescence is associated with an altered cellular redox balance in Arabidopsis cpr5/old1 mutants

HC Jing, R Hebeler, S Oeljeklaus, B Sitek… - Plant …, 2008 - Wiley Online Library
Reactive oxygen species (ROS) are the inevitable by‐products of essential cellular metabolic
and physiological activities. Plants have developed sophisticated gene networks of ROS …