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Vortrag

Towards High Throughput Characterization of Glycosylation-Patterns Using a Capillary-DNA-Sequencer

MPG-Autoren
http://pubman.mpdl.mpg.de/cone/persons/resource/persons86442

Rapp,  Erdmann
Bioprocess Engineering, Max Planck Institute for Dynamics of Complex Technical Systems, Max Planck Society;

http://pubman.mpdl.mpg.de/cone/persons/resource/persons86475

Schwarzer,  Jana
Bioprocess Engineering, Max Planck Institute for Dynamics of Complex Technical Systems, Max Planck Society;

http://pubman.mpdl.mpg.de/cone/persons/resource/persons86321

Hennig,  René
Bioprocess Engineering, Max Planck Institute for Dynamics of Complex Technical Systems, Max Planck Society;

http://pubman.mpdl.mpg.de/cone/persons/resource/persons86452

Roedig,  Jana
Bioprocess Engineering, Max Planck Institute for Dynamics of Complex Technical Systems, Max Planck Society;

http://pubman.mpdl.mpg.de/cone/persons/resource/persons86448

Reichl,  Udo
Otto-von-Guericke-Universität Magdeburg;
Bioprocess Engineering, Max Planck Institute for Dynamics of Complex Technical Systems, Max Planck Society;

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Zitation

Rapp, E., Schwarzer, J., Hennig, R., Roedig, J., & Reichl, U. (2009). Towards High Throughput Characterization of Glycosylation-Patterns Using a Capillary-DNA-Sequencer. Talk presented at CE in Biotechnology & Pharmaceutical Industries: 11th Symposium on the Practical Applications for the Analysis of Proteins, Nucleotides and Small Molecules (CE Pharm 2009). Boston, MA, USA. 2009-10-11 - 2009-10-15.


Zitierlink: http://hdl.handle.net/11858/00-001M-0000-0013-91CD-0
Zusammenfassung
Within this work, the utilization of a capillary DNA-sequencer for N-glycan analysis [1] is presented. With this highly sensitive nano-separator, based on capillary gel electrophoresis with laser induced fluorescence detection (CGE-LIF), the N-glycans can be analyzed in two stages: first - comparing “glycan-pool fingerprints” and second - structural elucidation via database matching. The developed procedure allows monitoring and elucidation of N-glycosylation patterns of relevant glycoproteins. Besides workflow and proof of principle, suitability and potential of the method are depicted. The methods performance is exemplarily shown via elucidation of glycosylation patterns of pharmaceutical relevant glycoproteins (e.g. interferons, immunoglobulins, …). In more detail, feasibility and performance of this method is demonstrated exemplarily for hemagglutinin (HA), an important glycoprotein of the influenza virus membrane. The HA glycosylation patterns of different influenza virus strains, replicated in different mammalian cell lines for vaccine production were elucidated. Results concerning the influence of the host cell line on complexity and composition of the HA N-glycosylation pattern, are presented. Besides a strong host cell dependence of HA N-glycosylation that could be shown, a significant change in N-glycan type attached to HA was observed, comparing different virus types and subtypes [2]. [1] Schwarzer, J.; Rapp*, E.; Reichl, U. Electrophoresis, 2008, 29, 4203-4214. [2] Schwarzer, J.; Rapp*, E.; Hennig, R.; Genzel, Y.; Jordan, I.; Sandig, V.; Reichl U. Vaccine, 2009, in press.