نتایج جستجو برای: proadrenomedullin n terminal 20 peptide

تعداد نتایج: 1704817  

Journal: :Psychophysiology 1996
E Wascher R Verleger P Jaskowski B Wauschkuhn

This study focused on the covariation of response speed and event-related potentials during response preparation and on whether these variations can be brought under experimental control. Two S1-S2 choice response tasks with temporal uncertainty were conducted. In Experiment 1, S1 was 100% informative. Fast subjects showed larger P3s with S1 than slow subjects. The terminal CNV (tCNV) increased...

Journal: :The Gerontologist 2013
Denis Gerstorf Nilam Ram

Notions of terminal decline propose that late-life change is primarily driven by processes closely tied to pathology and mortality rather than chronological age. We use the rationales of longitudinal research as outlined by Baltes and Nesselroade (Baltes, P., & Nesselroade, J. [1979]. History and rationale of longitudinal research. In J. R. Nesselroade & P. Baltes (Eds.), Longitudinal research ...

1996
Franz MARTIN Juan A. REIG

Inhibition of insulin release by synthetic peptides shows that the H3 region at the C-terminal domain of syntaxin-1 is crucial for Ca2+but not for guanosine 5«-[γ-thio]triphosphate-induced secretion Franz MARTIN *, Eva SALINAS†, Jesu! s VAZQUEZ‡ Bernat SORIA* and Juan A. REIG†§ Departments of * Fisiologı!a and †Neuroquı!mica of the Facultad de Medicina and Instituto de Neurociencias, Universida...

Journal: :Biophysical journal 2009
Zhuqing Zhang Hue Sun Chan

Many single-domain proteins with <100 residues fold cooperatively; but the recently designed 92-residue Top7 protein exhibits clearly non-two-state behaviors. In apparent agreement with experiment, we found that coarse-grained, native-centric chain models, including potentials with and without elementary desolvation barriers, predicted that Top7 has a stable intermediate state in which the C-te...

2017
Priyanka Sharma Antonios Lioutas Javier Quilez Roni H.G. Wright Chiara Di Vona Francois Le Dily Roland Schüller Dirk Eick Miguel Beato

2016
Pinaki Misra Ravindra Kodali Saketh Chemuru Karunakar Kar Ronald Wetzel

Since early oligomeric intermediates in amyloid assembly are often transient and difficult to distinguish, characterize and quantify, the mechanistic basis of the initiation of spontaneous amyloid growth is often opaque. We describe here an approach to the analysis of the Aβ aggregation mechanism that uses Aβ-polyglutamine hybrid peptides designed to retard amyloid maturation and an adjusted th...

Journal: :Chemical communications 2013
Mei-Sha Chen De-Sheng Zhao Ye-Ping Yu Wei-Wei Li Yong-Xiang Chen Yu-Fen Zhao Yan-Mei Li

The differences in the C-terminal domains of human amylin peptide variants initiate different aggregation processes and differences in the composition of the aggregates by affecting the hydrophobic cores, conformations, and intra-sheet interactions of the peptides, which have distinct effects on the cytotoxicity of the peptides.

The 25-35 fragment of the amyloid β (Aβ) peptide is a naturally occurring proteolytic by-product of its larger parent molecule that retains the amyloid characteristics and toxicity of the full length parent molecule. Aggregation of this peptide occurs rapidly in aqueous solutions and thus characterization of its folding process is very difficult. In the present study, early stages of Aβ(25–35) ...

Journal: :Developmental psychology 2008
Denis Gerstorf Nilam Ram Ryne Estabrook Jürgen Schupp Gert G Wagner Ulman Lindenberger

Longitudinal data spanning 22 years, obtained from deceased participants of the German Socio-Economic Panel Study (SOEP; N = 1,637; 70- to 100-year-olds), were used to examine if and how life satisfaction exhibits terminal decline at the end of life. Changes in life satisfaction were more strongly associated with distance to death than with distance from birth (chronological age). Multiphase gr...

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