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

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Development and characterization of a human monoclonal antibody targeting the N-terminal region of hepatitis C virus envelope glycoprotein E1

Mesalam, Ahmed Atef; Desombere, Isabelle; Farhoudi, Ali; Van Houtte, Freya; Verhoye, Lieven; Ball, Jonathan; Dubuisson, Jean; Foung, Steven K.H.; Patel, Arvind H.; Persson, Mats A.A.; Leroux-Roels, Geert; Meuleman, Philip
Virology.
Jan 2018
10.1016/j.virol.2017.10.019
Monoclonal antibodies (mAbs) targeting the hepatitis C virus (HCV) envelope have been raised mainly against envelope protein 2 (E2), while the antigenic epitopes of envelope protein 1 (E1) are not fully identified. Here we describe the detailed characterization of a human mAb, designated A6, generated from an HCV genotype 1b infected patient. ELISA results showed reactivity of mAb A6 to full-length HCV E1E2 of genotypes 1a, 1b and 2a. Epitope mapping identified a region spanning amino acids 230–239 within the N-terminal region of E1 as critical for binding. Antibody binding to this epitope was not conformation dependent. Neutralization assays showed that mAb A6 lacks neutralizing capacity and does not interfere with the activity of known neutralizing antibodies. In summary, mAb A6 is an important tool to study the structure and function of E1 within the viral envelope, a crucial step in the development of an effective prophylactic HCV vaccine.

Anti-apoc3 antibodies and methods of use thereof

Dasilva-Jardine, Paul; Haard, Hans De; Landro, James A.
Jan 2018

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).

Combinatorial Synthesis of Peptide Arrays onto a Microchip

Beyer, M.; Nesterov, A.; Block, I.; Konig, K.; Felgenhauer, T.; Fernandez, S.; Leibe, K.; Torralba, G.; Hausmann, M.; Trunk, U.; Lindenstruth, V.; Bischoff, F. R.; Stadler, V.; Breitling, F.
Science.
Dec 2007
10.1126/science.1149751
Arrays promise to advance biology through parallel screening for binding partners. We show the combinatorial in situ synthesis of 40,000 peptide spots per square centimeter on a microchip. Our variant Merrifield synthesis immobilizes activated amino acids as monomers within particles, which are successively attracted by electric fields generated on each pixel electrode of the chip. With all different amino acids addressed, particles are melted at once to initiate coupling. Repetitive coupling cycles should allow for the translation of whole proteomes into arrays of overlapping peptides that could be used for proteome research and antibody profiling.

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