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@article{929234,
author = {Kilander, Michaela and Dijksterhuis, Jacomijn P and Ganji, Sri Ranjani and Bryja, Vítězslav and Schulte, Gunnar},
article_number = {3},
doi = {http://dx.doi.org/10.1016/j.cellsig.2010.11.004},
keywords = {Frizzled; GPCR; G protein; [gamma-S]GTP; Non-canonical; WNT signaling},
language = {eng},
issn = {0898-6568},
journal = {Cell Signal},
title = {WNT-5A stimulates the GDP/GTP exchange at pertussis toxin-sensitive heterotrimeric G proteins.},
url = {http://www.ncbi.nlm.nih.gov/pubmed/21070854},
volume = {23},
year = {2011}
}
TY - JOUR
ID - 929234
AU - Kilander, Michaela - Dijksterhuis, Jacomijn P - Ganji, Sri Ranjani - Bryja, Vítězslav - Schulte, Gunnar
PY - 2011
TI - WNT-5A stimulates the GDP/GTP exchange at pertussis toxin-sensitive heterotrimeric G proteins.
JF - Cell Signal
VL - 23
IS - 3
SP - 550-554
EP - 550-554
SN - 08986568
KW - Frizzled
KW - GPCR
KW - G protein
KW - [gamma-S]GTP
KW - Non-canonical
KW - WNT signaling
UR - http://www.ncbi.nlm.nih.gov/pubmed/21070854
L2 - http://www.ncbi.nlm.nih.gov/pubmed/21070854
N2 - The lipoglycoproteins of the WNT family act on seven transmembrane-spanning Class Frizzled receptors. Here, we show that WNT-5A evokes a proliferative response in a mouse microglia-like cell line (N13), which is sensitive to pertussis toxin, thus implicating the involvement of heterotrimeric G proteins of the G(i/o) family. We continue to show that WNT-5A stimulation of N13 membranes and permeabilized cells evokes the exchange of GDP for GTP of pertussis toxin-sensitive G proteins employing [gamma-(35)S]GTP assay and activity state-specific antibodies to GTP-bound G(i) proteins. Our functional analysis of the PTX-sensitivity of WNT-induced G protein activation and PCR analysis of G protein and FZD expression patterns suggest that WNT-5A stimulation leads to the activation of G(i2/3) proteins in N13 cells possibly mediated by FZD(5), the predominant FZD expressed.
ER -
KILANDER, Michaela, Jacomijn P DIJKSTERHUIS, Sri Ranjani GANJI, Vítězslav BRYJA a Gunnar SCHULTE. WNT-5A stimulates the GDP/GTP exchange at pertussis toxin-sensitive heterotrimeric G proteins. \textit{Cell Signal}. roč.~23, č.~3, s.~550-554. ISSN~0898-6568. doi:10.1016/j.cellsig.2010.11.004. 2011.
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