Words similar to desensitization
Example sentences for: desensitization
How can you use “desensitization” in a sentence? Here are some example sentences to help you improve your vocabulary:
Cyclic nucleotide-gated channels, for example, appear to exhibit functional dimerization of their cyclic nucleotide-binding domains [ 32 ] . The "RCK" domain of BK channels has a dimerization domain even though BK channels, too, are tetrameric at the level of the pore [ 33 ] . Finally, the GluR2 ligand-binding core has a dimerization interface in the crystal structure [ 34 ] . Evidence, including the clustering of residues involved in receptor desensitization at this interface, suggests that the dimerization is not just crystallographic but functional.
The predicted topological organization consists of six transmembrane domains with a hydrophobic loop between the fifth and sixth domain which lines the ion conducting pore [ 17 ] . VR1 has been expressed heterologously in several cell lines and has intrinsic sensitivity to thermal stimuli and to capsaicin (a pungent extract of the Capsicum pepper family) [ 18 ] . VR1 does not discriminate among monovalent cations [ 19 ] ; however, it exhibits a notable preference for divalent cations with a permeability sequence of Ca 2+> Mg 2+> Na +≈ K +≈ Cs + [ 9 ] . Ca 2+is especially important to VR1 function, as extracellular Ca 2+mediates desensitization [ 20 21 ] , a process which enables a neuron to adapt to specific stimuli by diminishing its overall response to a particular chemical or physical signal.
Yet another typical feature of many of these receptors is the presence of multiple serine and threonine residues in their carboxyl termini and IC3 that serve as phosphorylation sites for G-protein-coupled receptor kinases (GRKs) as well as protein kinases C (PKC) and A (PKA), a mechanism involved in agonist-dependent desensitization of the receptors.
In vitro studies, carried out on NG108-15 neurohybrid cells which express large numbers of δ-opioid receptors, show that these receptors undergo a rapid agonist-induced desensitization that occurs within minutes and down-regulation that occurs more slowly over several hours ( 4, 7).
While wt receptors desensitized rapidly, mutant receptors showed no desensitization during the 8 s perfusion time.
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