Challenges and Opportunities in the Development of Aptamers for TNFα.

Abstract:

:RNA aptamers for tumor necrosis factor-alpha (TNFα), for which functionality was demonstrated in L929 cells, show only little affinity for the protein in vitro. Detailed investigation of the aptamer-protein interaction by surface plasmon resonance and quartz crystal microbalance analysis revealed that affinity is not the only crucial parameter for efficacy and functionality of those aptamers. Instead, the sensitive equilibrium of the monomeric and homotrimeric form of soluble TNFα decides on aptamer binding. Our results show that the field of application and the source of TNFα have to be carefully defined before selection of aptamer sequences.

authors

Nübel C,Appel B,Hospach I,Mai M,Krasteva N,Nelles G,Petruschka L,Müller S

doi

10.1007/s12010-016-2002-2

subject

Has Abstract

pub_date

2016-06-01 00:00:00

pages

398-414

issue

3

eissn

0273-2289

issn

1559-0291

pii

10.1007/s12010-016-2002-2

journal_volume

179

pub_type

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