Image-Based Marker-Free Screening of GABA(A) Agonists, Antagonists, and Modulators
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Membrane protein dynamics is of great importance for living organisms. The precise localization of proteins composing a synapse on the membrane facing a nerve terminus is essential for proper functioning of the nervous system. In muscle fibers, the nicotin ...
Mixtures of dipeptide monomers create stereochemically and constitutionally complex dynamic libraries of potential receptors. When (−)-cytidine was utilized as guest an 84-membered cyclic host was amplified (70–175 fold) from a nearly undetectable initial ...
Understanding the functional dynamics of ligand-gated ion-channels (LGIC's) on the molecular level is the aim of this thesis. Members of the protein family of LGIC's are involved in the fast synaptic signal transmission and thereby play a central role in i ...
The serotonin type 3 receptor (5HT3R) is a homopentameric, cation selective channel that mediates fast excitatory transmission in the nervous system. It is a member of the Cys-loop family of receptors that include the nicotinic acetylcholine receptor (nACh ...
We developed a new non-invasive integrated microsystem for electrophysiological measurements on Xenopus laevis oocytes. The Xenopus oocyte is a well-known expression system for various kinds of ion channels that are of potential interest for drug screening ...
The nicotinic acetylcholine receptor (nAChR) is a ligand-gated ion channel that switches upon activation from a closed state to a full conducting state. We found that the mutation delta S268K, located at 12' position of the second transmembrane domain of t ...
NOVELTY - Conjugate (I) of an agonist ligand directed to ligand-gated ion channels (LGICs) of the Cys loop-family with a chromophore, is new. USE - (I) is useful in the receptor proteins and/or their interaction with the agonistic ligand, where the interac ...
Nicotinic acetylcholine receptors are heteropentameric ion channels that open upon activation to a single conducting state. The second transmembrane segments of each subunit were identified as channel-forming elements, but their respective contribution in ...
The subject of this thesis is the study of the structure and function of the human muscle nicotinic acetylcholine receptor (nAChR), which is a typical member of the large class of ligand-gated ion channels. Appropriate techniques, like site-directed mutage ...
The thesis presented here describes studies of ligand binding, function, and arrangement of ligand-gated ion channels in cell membranes. Fluorescence microscopy and the patch clamp technique are used to investigate the nicotinic acetylcholine receptor and ...