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An obligatory requirement for the heterotrimeric G protein Gi3 in the antiautophagic action of insulin in the liver.

Gohla A, Klement K, Piekorz RP, Pexa K, vom Dahl S, Spicher K, Dreval V, Häussinger D, Birnbaumer L, Nürnberg B.

Proc Natl Acad Sci U S A. 2007 Feb 20;104(8):3003-8. Epub 2007 Feb 12.


Gαi2- and Gαi3-specific regulation of voltage-dependent L-type calcium channels in cardiomyocytes.

Dizayee S, Kaestner S, Kuck F, Hein P, Klein C, Piekorz RP, Meszaros J, Matthes J, Bjrnbaumer L, Nürnberg B, Herzig S.

PLoS One. 2011;6(9):e24979. doi: 10.1371/journal.pone.0024979. Epub 2011 Sep 26. Erratum in: PLoS One. 2013;8(8). doi:10.1371/annotation/7be097c0-9075-41ae-91e9-d2209de952cc. Bjrnbaumer, Lutz [added].


Insulin secretion stimulated by L-arginine and its metabolite L-ornithine depends on Gα(i2).

Leiss V, Flockerzie K, Novakovic A, Rath M, Schönsiegel A, Birnbaumer L, Schürmann A, Harteneck C, Nürnberg B.

Am J Physiol Endocrinol Metab. 2014 Nov 1;307(9):E800-12. doi: 10.1152/ajpendo.00337.2014. Epub 2014 Sep 9.


Galpha(i2) but not Galpha(i3) is required for muscarinic inhibition of contractility and calcium currents in adult cardiomyocytes.

Nagata K, Ye C, Jain M, Milstone DS, Liao R, Mortensen RM.

Circ Res. 2000 Nov 10;87(10):903-9.


A GDI (AGS3) and a GEF (GIV) regulate autophagy by balancing G protein activity and growth factor signals.

Garcia-Marcos M, Ear J, Farquhar MG, Ghosh P.

Mol Biol Cell. 2011 Mar 1;22(5):673-86. doi: 10.1091/mbc.E10-08-0738. Epub 2011 Jan 5.


Modulation of alpha2-adrenoceptor functions by heterotrimeric Galphai protein isoforms.

Albarrán-Juárez J, Gilsbach R, Piekorz RP, Pexa K, Beetz N, Schneider J, Nürnberg B, Birnbaumer L, Hein L.

J Pharmacol Exp Ther. 2009 Oct;331(1):35-44. doi: 10.1124/jpet.109.157230. Epub 2009 Jul 9. Erratum in: J Pharmacol Exp Ther. 2010 Apr;333(1):351. Birnbaumer, Lutz [added].


Gαi2 is the essential Gαi protein in immune complex-induced lung disease.

Wiege K, Ali SR, Gewecke B, Novakovic A, Konrad FM, Pexa K, Beer-Hammer S, Reutershan J, Piekorz RP, Schmidt RE, Nürnberg B, Gessner JE.

J Immunol. 2013 Jan 1;190(1):324-33. doi: 10.4049/jimmunol.1201398. Epub 2012 Dec 5.


The heterotrimeric G protein G(i3) regulates hepatic autophagy downstream of the insulin receptor.

Gohla A, Klement K, Nürnberg B.

Autophagy. 2007 Jul-Aug;3(4):393-5. Epub 2007 Jul 10.


Defective macrophage migration in Gαi2- but not Gαi3-deficient mice.

Wiege K, Le DD, Syed SN, Ali SR, Novakovic A, Beer-Hammer S, Piekorz RP, Schmidt RE, Nürnberg B, Gessner JE.

J Immunol. 2012 Jul 15;189(2):980-7. doi: 10.4049/jimmunol.1200891. Epub 2012 Jun 15.


Activator of G protein signaling 3 is a guanine dissociation inhibitor for Galpha i subunits.

De Vries L, Fischer T, Tronchère H, Brothers GM, Strockbine B, Siderovski DP, Farquhar MG.

Proc Natl Acad Sci U S A. 2000 Dec 19;97(26):14364-9.


Galpha i2 enhances in vivo activation of and insulin signaling to GLUT4.

Song X, Zheng X, Malbon CC, Wang H.

J Biol Chem. 2001 Sep 14;276(37):34651-8. Epub 2001 Jul 16.


Galpha(i2) enhances insulin signaling via suppression of protein-tyrosine phosphatase 1B.

Tao J, Malbon CC, Wang HY.

J Biol Chem. 2001 Oct 26;276(43):39705-12. Epub 2001 Aug 10.


Competition for Gβγ dimers mediates a specific cross-talk between stimulatory and inhibitory G protein α subunits of the adenylyl cyclase in cardiomyocytes.

Hippe HJ, Lüdde M, Schnoes K, Novakovic A, Lutz S, Katus HA, Niroomand F, Nürnberg B, Frey N, Wieland T.

Naunyn Schmiedebergs Arch Pharmacol. 2013 Jun;386(6):459-69. doi: 10.1007/s00210-013-0876-x. Epub 2013 Apr 26.


Selective interaction of AGS3 with G-proteins and the influence of AGS3 on the activation state of G-proteins.

Bernard ML, Peterson YK, Chung P, Jourdan J, Lanier SM.

J Biol Chem. 2001 Jan 12;276(2):1585-93.


Inhibition of G alpha i2 activation by G alpha i3 in CXCR3-mediated signaling.

Thompson BD, Jin Y, Wu KH, Colvin RA, Luster AD, Birnbaumer L, Wu MX.

J Biol Chem. 2007 Mar 30;282(13):9547-55. Epub 2007 Feb 8.


G(alpha)(i3) in pancreatic zymogen granules participates in vesicular fusion.

Sattar AA, Boinpally R, Stromer MH, Jena BP.

J Biochem. 2002 Jun;131(6):815-20.

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