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Dau, T. ; Edeleva, E.V.* ; Seidel, S.A.* ; Stockley, R.A.* ; Braun, D.* ; Jenne, D.

Quantitative analysis of protease recognition by inhibitors in plasma using microscale thermophoresis.

Sci. Rep. 6:35413 (2016)
Verlagsversion Forschungsdaten DOI PMC
Open Access Gold
Creative Commons Lizenzvertrag
High abundance proteins like protease inhibitors of plasma display a multitude of interactions in natural environments. Quantitative analysis of such interactions in vivo is essential to study diseases, but have not been forthcoming, as most methods cannot be directly applied in a complex biological environment. Here, we report a quantitative microscale thermophoresis assay capable of deciphering functional deviations from in vitro inhibition data by combining concentration and affinity measurements. We obtained stable measurement signals for the substrate-like interaction of the disease relevant inhibitor α-1-antitrypsin (AAT) Z-variant with catalytically inactive elastase. The signal differentiates between healthy and sick AAT-deficient individuals suggesting that affinity between AAT and elastase is strongly modulated by so-far overlooked additional binding partners from the plasma.
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Publikationstyp Artikel: Journalartikel
Dokumenttyp Wissenschaftlicher Artikel
Schlagwörter Neutrophil Elastase; Living Cells; Alpha(1)-antitrypsin; Mechanism; Alpha-1-antitrypsin; Progression; Deficiency; Activation; Insights; Linking
Sprache deutsch
Veröffentlichungsjahr 2016
HGF-Berichtsjahr 2016
ISSN (print) / ISBN 2045-2322
e-ISSN 2045-2322
Zeitschrift Scientific Reports
Quellenangaben Band: 6, Heft: , Seiten: , Artikelnummer: 35413 Supplement: ,
Verlag Nature Publishing Group
Verlagsort London
Begutachtungsstatus Peer reviewed
Institut(e) Institute of Lung Health and Immunity (LHI)
POF Topic(s) 30202 - Environmental Health
Forschungsfeld(er) Lung Research
PSP-Element(e) G-501600-005
PubMed ID 27739542
DOI 10.1038/srep35413
WOS ID WOS:000385447300001
Erfassungsdatum 2016-10-18
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