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

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Immunization with full-length Plasmodium falciparum merozoite surface protein 1 is safe and elicits functional cytophilic antibodies in a randomized first-in-human trial

Blank, Antje; Fürle, Kristin; Jäschke, Anja; Mikus, Gerd; Lehmann, Monika; Hüsing, Johannes; Heiss, Kirsten; Giese, Thomas; Carter, Darrick; Böhnlein, Ernst; Lanzer, Michael; Haefeli, Walter E.; Bujard, Hermann
npj Vaccines.
Jan 2020
10.1038/s41541-020-0160-2
A vaccine remains a priority in the global fight against malaria. Here, we report on a single-center, randomized, double-blind, placebo and adjuvant-controlled, dose escalation phase 1a safety and immunogenicity clinical trial of full-length Plasmodium falciparum merozoite surface protein 1 (MSP1) in combination with GLA-SE adjuvant. Thirty-two healthy volunteers were vaccinated at least three times with MSP1 plus adjuvant, adjuvant alone, or placebo (24:4:4) to evaluate the safety and immunogenicity. MSP1 was safe, well tolerated and immunogenic, with all vaccinees sero-converting independent of the dose. The MSP1-specific IgG and IgM titers persisted above levels found in malaria semi-immune humans for at least 6 months after the last immunization. The antibodies were variant- and strain-transcending and stimulated respiratory activity in granulocytes. Furthermore, full-length MSP1 induced memory T-cells. Our findings encourage challenge studies as the next step to evaluate the efficacy of full-length MSP1 as a vaccine candidate against falciparum malaria (EudraCT 2016-002463-33).

Single-Molecule Detection on a Protein-Array Assay Platform for the Exposure of a Tuberculosis Antigen

Schmidt, Ronny; Jacak, Jaroslaw; Schirwitz, Christopher; Stadler, Volker; Michel, Gerd; Marmé, Nicole; Schütz, Gerhard J.; Hoheisel, Jörg D.; Knemeyer, Jens-Peter
J. Proteome Res..
Jan 2011
10.1021/pr101070j

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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