Example sentences for: beta-

How can you use “beta-” in a sentence? Here are some example sentences to help you improve your vocabulary:

  • The phosphorylated beta-2 receptor enhances the binding of beta-arrestin, which not only uncouples the receptor from the signal transduction process but also serves as an adapter protein that mediates entry into the internalization pathway [ 5 ] , as well as serving as a platform for additional signaling pathways [ 6 ] . The mechanisms of beta-2 adrenergic receptor down-regulation appear to involve both an increase in the rate of degradation of the receptor as well as a decrease in the levels of beta receptor mRNA [ 7 ] . Down-regulation of the beta-2 receptor is, in part, due to trafficking of the beta-2 receptor to lysosomes via the clathrin-coated pit endosomal pathway [ 8 9 ] .

  • In 1998, it was discovered that plant parasitic nematodes possess genes encoding beta-1,4-endoglucanase enzymes (cellulases) and that by far the strongest non- Tylenchida homologs for these enzymes were prokaryotic cellulases from Pseudomonas, Clostridium and other microbes.

  • Desensitization occurs both in cell culture systems [ 10 11 12 ] and in the intact animal [ 13 14 ] . In general the mechanisms of desensitization for the alpha-2 adrenergic receptors appear to be similar to those for the beta-2 receptor.

  • Down-regulation occurs after prolonged agonist treatment (hours to days), resulting in a loss of receptor binding sites [ 2 3 4 ] . The processes involved in homologous desensitization have been extensively investigated for the beta-2 adrenergic receptor, which is the prototypical G protein-coupled receptor.

  • Initial uncoupling of the beta-2 receptor from the G protein after agonist binding is mediated by phosphorylation by G protein-coupled receptor kinase (GRK) of specific residues in the carboxyl tail of the receptor.


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