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Recently, it has been shown that correct trafficking of neuronal plasma membrane receptors along the endosomal pathway is directly implicated in molecular mechanisms underlying synaptic plasticity and is fundamental for proper neuronal communication. To un ...
Classically, cellular signalling is investigated measuring different optical or elec. properties of either single cells or microliter vols. of suspensions of live cells. Here we show how ligand binding to cell surface receptors and subsequent signalling re ...
In this thesis, we studied two systems important for synaptic plasticity, one presynaptic and another postsynaptic. The protein complex composed of VAMP 2, SNAP-25 and syntaxin 1 (SNARE complex) is essential for docking and fusion of neurotransmitter-fille ...
Ligand-gated ion channels of the Cys loop family are receptors for small amine-contg. neurotransmitters. Charged amino acids are strongly conserved in the ligand-binding domain of these receptor proteins. To investigate the role of particular residues in l ...
As a neurotropic virus, human immunodeficiency virus type 1 (HIV-1) invades the brain and causes severe neuronal, astrocyte, and myelin damage in AIDS patients. To gain access to the brain, HIV-1 must migrate through brain microvascular endothelial cells ( ...
Glucocorticoids (GC) are considered as key modulators of glycogen homeostasis in peripheral tissues, but their role in the central nervous system has only partially been characterized. Exposure of primary cultures of cortical astrocytes to dexamethasone (D ...
How membrane receptors transduce external signals across the membrane and activate intracellular processes is a key question for fundamental research and for therapeutic purposes. Reliable in situ investigations requiest to preserve the full biological act ...
All biol. ion channels are selectively permeable to specific ions. This mechanism needs to be understood in terms of the interaction of the permeating ions with the surrounding water and protein mols. During the past several years, there have been enormous ...
We show that mice expressing retinoid X receptor beta (RXRbeta) impaired in its transcriptional activation function AF-2 (Rxrb(af20) mutation) do not display the spermatid release defects observed in RXRbeta-null mutants, indicating that the role of RXRbet ...
The invention relates to methods that enable identification of modulators of nuclear receptor (NR) activity and to methods for treating and/or preventing diseases or pathologic conditions associated with cell types that express said nuclear receptors. More ...