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Discover how PEPperPRINT Peptide Microarray products have been used in different fields of research.

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Marker Sequences for Diagnosing and Stratifying Systemic Sclerosis Patients

Budde, Petra
Jan 2021
The present invention relates to methods for identifying markers for systemic sclerosis (also scleroderma; SSc) and to the markers identified with the aid of this method, which can differentiate between SSc and other autoimmune diseases on the one hand and between different SSc subgroups on the other hand. The invention also relates to panels, diagnostic devices and test kits which comprise these markers, and to the use and application thereof, for example for the diagnosis, prognosis and therapy control of SSc. The invention also relates to methods for screening and for validating active substances for use in SSc.

Antigenic characteristics of glycosylated protein 3 of highly pathogenic porcine reproductive and respiratory syndrome virus

Wang, Xinglong; Dang, Ruyi; Liu, Wenkai; Yang, Zengqi; Du, Enqi; Zhang, Shuxia
Virus Research.
Aug 2014
10.1016/j.virusres.2014.04.016
Highly pathogenic (HP)-porcine reproductive and respiratory syndrome virus (PRRSV) emerged in 2006 and has now become a global threat to pig farms. Despite extensive characterization of HP-PRRSV proteins by direct analysis and comparison with typical PRRSV, immune recognition remain poorly understood. Glycosylated protein 3 (GP3) has an important function in inducing protective immune response. To analyze the antigenic character of HP-PRRSV GP3, a total of 217 peptides were printed on a chip and used to react with HP-PRRSV specific serum. The reactions of these peptides to HP-PRRSV specific pig serum were scanned and quantified using the software PepSlide® Analyzer by fluorescence intensity. The intensity plots showed various reactions in different parts of GP3. The highest reaction intensity value reached 29,184.5 with the peptide sequence of CSENDHDELGFMVPP. Conversely, 88 peptides showed no reaction with 0 florescence intensity. A further analysis based on the result of the peptide microarray revealed an antigen reaction active region (AR) from Y51 to S106 in GP3. The AR had four parts of variation that may be a significant mutation of the typical PRRSV to HP-PRRSV. Acquired data may be useful for understanding HP-PRRSV variation and its GP3 immune recognition.

Anti-ADAMTS13 IgG autoantibodies present in healthy individuals share linear epitopes with those in patients with thrombotic thrombocytopenic purpura

Grillberger, R.; Casina, V. C.; Turecek, P. L.; Zheng, X. L.; Rottensteiner, H.; Scheiflinger, F.
Haematologica.
Apr 2014
10.3324/haematol.2013.100685

Combinatorial Synthesis of Peptide Arrays with a Laser Printer

Stadler, Volker; Felgenhauer, Thomas; Beyer, Mario; Fernandez, Simon; Leibe, Klaus; Güttler, Stefan; Gröning, Martin; König, Kai; Torralba, Gloria; Hausmann, Michael; Lindenstruth, Volker; Nesterov, Alexander; Block, Ines; Pipkorn, Rüdiger; Poustka, Annemarie; Bischoff, F. Ralf; Breitling, Frank
Angew. Chem. Int. Ed..
Sep 2008
10.1002/anie.200801616
Special delivery: The “freezing” of activated amino acid derivatives within solid particles enables a laser printer to deliver these “postal packages” to defined locations on a solid support with high resolution. Subsequent parallel coupling is initiated simply by melting a whole layer of 20 different amino acid particles (see schematic representation; Fmoc=9-fluorenylmethoxycarbonyl).

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