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@ARTICLE{Blenau:840009,
author = {Blenau, Wolfgang and Balfanz, Sabine and Baumann, A.},
title = {{P}ea{TAR}1{B}: {C}haracterization of a {S}econd {T}ype 1
{T}yramine {R}eceptor of the {A}merican {C}ockroach,
{P}eriplaneta americana},
journal = {International journal of molecular sciences},
volume = {18},
number = {11},
issn = {1422-0067},
address = {Basel},
publisher = {Molecular Diversity Preservation International},
reportid = {FZJ-2017-07579},
pages = {2279 -},
year = {2017},
abstract = {The catecholamines norepinephrine and epinephrine regulate
important physiological functions in vertebrates. In
insects; these neuroactive substances are functionally
replaced by the phenolamines octopamine and tyramine.
Phenolamines activate specific guanine nucleotide-binding
(G) protein-coupled receptors (GPCRs). Type 1 tyramine
receptors are better activated by tyramine than by
octopamine. In contrast; type 2 tyramine receptors are
almost exclusively activated by tyramine. Functionally;
activation of type 1 tyramine receptors leads to a decrease
in the intracellular concentration of cAMP ([cAMP]i) whereas
type 2 tyramine receptors can mediate Ca2+ signals or both
Ca2+ signals and effects on [cAMP]i. Here; we report that
the American cockroach (Periplaneta americana) expresses a
second type 1 tyramine receptor (PeaTAR1B) in addition to
PeaTAR1A (previously called PeaTYR1). When heterologously
expressed in flpTM cells; activation of PeaTAR1B by tyramine
leads to a concentration-dependent decrease in [cAMP]i. Its
activity can be blocked by a series of established
antagonists. The functional characterization of two type 1
tyramine receptors from P. americana; PeaTAR1A and PeaTAR1B;
which respond to tyramine by changing cAMP levels; is a
major step towards understanding the actions of tyramine in
cockroach physiology and behavior; particularly in
comparison to the effects of octopamine.},
cin = {ICS-4},
ddc = {570},
cid = {I:(DE-Juel1)ICS-4-20110106},
pnm = {552 - Engineering Cell Function (POF3-552)},
pid = {G:(DE-HGF)POF3-552},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000416811300053},
pubmed = {pmid:29084141},
doi = {10.3390/ijms18112279},
url = {https://juser.fz-juelich.de/record/840009},
}