Entry
Name
Oxytocin signaling pathway - Ailuropoda melanoleuca (giant panda)
Description
Oxytocin (OT) is a nonapeptide synthesized by the magno-cellular neurons located in the supraoptic (SON) and paraventricular (PVN) nuclei of the hypothalamus. It exerts a wide variety of central and peripheral effects. However, its best-known and most well-established roles are stimulation of uterine contractions during parturition and milk release during lactation. Oxytocin also influences cardiovascular regulation and various social behaviors. The actions of OT are all mediated by one type of OT receptor (OTR). This is a transmembrane receptor belonging to the G-protein-coupled receptor superfamily. The main signaling pathway is the Gq/PLC/Ins3 pathway, but the MAPK and the RhoA/Rho kinase pathways are also activated, contributing to increased prostaglandin production and direct contractile effect on myometrial cells. In the cardiovascular system, OTR is associated with the ANP-cGMP and NO-cGMP pathways, which reduce the force and rate of contraction and increase vasodilatation.
Class
Organismal Systems; Endocrine system
BRITE hierarchy
Pathway map
Organism
Ailuropoda melanoleuca (giant panda) [GN:
aml ]
Gene
100463656 PRKAB1; 5'-AMP-activated protein kinase subunit beta-1 [KO:K07199 ]
100463812 CACNA2D1; voltage-dependent calcium channel subunit alpha-2/delta-1 isoform X5 [KO:K04858 ]
100464104 CACNB4; voltage-dependent L-type calcium channel subunit beta-4 isoform X2 [KO:K04865 ]
100464632 MEF2C; myocyte-specific enhancer factor 2C isoform X3 [KO:K04454 ]
100464798 NFATC2; nuclear factor of activated T-cells, cytoplasmic 2 isoform X4 [KO:K17332 ]
100464853 GNAQ; guanine nucleotide-binding protein G(q) subunit alpha [KO:K04634 ]
100465284 CACNG7; voltage-dependent calcium channel gamma-7 subunit isoform X3 [KO:K04872 ]
100465788 CACNG6; voltage-dependent calcium channel gamma-6 subunit isoform X1 [KO:K04871 ]
100466130 GNAO1; guanine nucleotide-binding protein G(o) subunit alpha isoform X2 [KO:K04534 ]
100466256 CAMK2D; calcium/calmodulin-dependent protein kinase type II subunit delta isoform X5 [KO:K04515 ] [EC:2.7.11.17 ]
100466408 GNAI3; guanine nucleotide-binding protein G(i) subunit alpha [KO:K04630 ]
100467161 ITPR1; inositol 1,4,5-trisphosphate receptor type 1 isoform X8 [KO:K04958 ]
100467299 CACNG2; voltage-dependent calcium channel gamma-2 subunit [KO:K04867 ]
100467653 PPP3CA; serine/threonine-protein phosphatase 2B catalytic subunit alpha isoform isoform X5 [KO:K04348 ] [EC:3.1.3.16 ]
100467700 CACNA1D; LOW QUALITY PROTEIN: voltage-dependent L-type calcium channel subunit alpha-1D [KO:K04851 ]
100468143 PRKAG3; 5'-AMP-activated protein kinase subunit gamma-3 isoform X1 [KO:K07200 ]
100468159 KCNJ3; G protein-activated inward rectifier potassium channel 1 isoform X1 [KO:K04997 ]
100468661 CACNA1F; voltage-dependent L-type calcium channel subunit alpha-1F isoform X1 [KO:K04853 ]
100468801 KCNJ5; G protein-activated inward rectifier potassium channel 4 [KO:K04999 ]
100469411 CACNB1; voltage-dependent L-type calcium channel subunit beta-1 isoform X1 [KO:K04862 ]
100470069 PPP1R12B; protein phosphatase 1 regulatory subunit 12B isoform X8 [KO:K12329 ]
100470322 PIK3CG; phosphatidylinositol 4,5-bisphosphate 3-kinase catalytic subunit gamma isoform isoform X2 [KO:K21289 ] [EC:2.7.1.153 ]
100470861 NFATC1; nuclear factor of activated T-cells, cytoplasmic 1 isoform X2 [KO:K04446 ]
100471691 NFATC4; nuclear factor of activated T-cells, cytoplasmic 4 isoform X1 [KO:K17334 ]
100471767 GNAI2; guanine nucleotide-binding protein G(i) subunit alpha-2 [KO:K04630 ]
100472835 CACNA1S; voltage-dependent L-type calcium channel subunit alpha-1S isoform X1 [KO:K04857 ]
100474459 CAMK2G; calcium/calmodulin-dependent protein kinase type II subunit gamma isoform X3 [KO:K04515 ] [EC:2.7.11.17 ]
100474747 PRKAG1; 5'-AMP-activated protein kinase subunit gamma-1 isoform X1 [KO:K07200 ]
100474779 PLCB2; LOW QUALITY PROTEIN: 1-phosphatidylinositol 4,5-bisphosphate phosphodiesterase beta-2 [KO:K05858 ] [EC:3.1.4.11 ]
100474970 PPP3CB; serine/threonine-protein phosphatase 2B catalytic subunit beta isoform isoform X5 [KO:K04348 ] [EC:3.1.3.16 ]
100475467 CAMK2A; calcium/calmodulin-dependent protein kinase type II subunit alpha isoform X2 [KO:K04515 ] [EC:2.7.11.17 ]
100475764 PRKAB2; 5'-AMP-activated protein kinase subunit beta-2 isoform X2 [KO:K07199 ]
100476165 CACNB2; voltage-dependent L-type calcium channel subunit beta-2 [KO:K04863 ]
100476315 CACNG5; LOW QUALITY PROTEIN: voltage-dependent calcium channel gamma-5 subunit [KO:K04870 ]
100476917 PPP1R12C; protein phosphatase 1 regulatory subunit 12C [KO:K17457 ]
100476928 KCNJ12; ATP-sensitive inward rectifier potassium channel 12 [KO:K05005 ]
100477000 CACNG3; voltage-dependent calcium channel gamma-3 subunit isoform X1 [KO:K04868 ]
100477067 PIK3R5; LOW QUALITY PROTEIN: phosphoinositide 3-kinase regulatory subunit 5 [KO:K21290 ]
100477289 PPP3CC; serine/threonine-protein phosphatase 2B catalytic subunit gamma isoform [KO:K04348 ] [EC:3.1.3.16 ]
100477324 PIK3R6; phosphoinositide 3-kinase regulatory subunit 6 [KO:K21290 ]
100477832 NFATC3; nuclear factor of activated T-cells, cytoplasmic 3 isoform X1 [KO:K17333 ]
100477888 ITPR2; LOW QUALITY PROTEIN: inositol 1,4,5-trisphosphate receptor type 2 [KO:K04959 ]
100478732 CALML4; LOW QUALITY PROTEIN: calmodulin-like protein 4 [KO:K02183 ]
100479364 TRPM2; transient receptor potential cation channel subfamily M member 2 isoform X1 [KO:K04977 ] [EC:3.6.1.13 ]
100479526 KCNJ6; G protein-activated inward rectifier potassium channel 2 [KO:K05000 ]
100479715 CACNA1C; voltage-dependent L-type calcium channel subunit alpha-1C isoform X3 [KO:K04850 ]
100479948 CACNB3; voltage-dependent L-type calcium channel subunit beta-3 isoform X2 [KO:K04864 ]
100480134 KCNJ9; G protein-activated inward rectifier potassium channel 3 [KO:K05002 ]
100480223 CACNA2D4; voltage-dependent calcium channel subunit alpha-2/delta-4 [KO:K04861 ]
100480315 PRKAG2; 5'-AMP-activated protein kinase subunit gamma-2 isoform X1 [KO:K07200 ]
100480599 CACNA2D2; voltage-dependent calcium channel subunit alpha-2/delta-2 [KO:K04859 ]
100480668 KCNJ14; ATP-sensitive inward rectifier potassium channel 14 [KO:K05007 ]
100480767 CACNG4; voltage-dependent calcium channel gamma-4 subunit [KO:K04869 ]
100481020 CACNG1; voltage-dependent calcium channel gamma-1 subunit [KO:K04866 ]
100481755 PLCB1; LOW QUALITY PROTEIN: 1-phosphatidylinositol 4,5-bisphosphate phosphodiesterase beta-1 [KO:K05858 ] [EC:3.1.4.11 ]
100483814 CACNA2D3; voltage-dependent calcium channel subunit alpha-2/delta-3 [KO:K04860 ]
100483995 PPP1R12A; protein phosphatase 1 regulatory subunit 12A isoform X1 [KO:K06270 ]
100484933 GNAI1; guanine nucleotide-binding protein G(i) subunit alpha-1 [KO:K04630 ]
Compound
C01245 D-myo-Inositol 1,4,5-trisphosphate
Reference
Authors
Devost D, Wrzal P, Zingg HH
Title
Oxytocin receptor signalling.
Journal
Reference
Authors
Viero C, Shibuya I, Kitamura N, Verkhratsky A, Fujihara H, Katoh A, Ueta Y, Zingg HH, Chvatal A, Sykova E, Dayanithi G
Title
REVIEW: Oxytocin: Crossing the bridge between basic science and pharmacotherapy.
Journal
Reference
Authors
Gutkowska J, Jankowski M
Title
Oxytocin revisited: its role in cardiovascular regulation.
Journal
Reference
Authors
Vrachnis N, Malamas FM, Sifakis S, Deligeoroglou E, Iliodromiti Z
Title
The oxytocin-oxytocin receptor system and its antagonists as tocolytic agents.
Journal
Reference
Authors
Tom N, Assinder SJ
Title
Oxytocin in health and disease.
Journal
Reference
Authors
Strakova Z, Copland JA, Lolait SJ, Soloff MS
Title
ERK2 mediates oxytocin-stimulated PGE2 synthesis.
Journal
Reference
Authors
Slater DM, Zervou S, Thornton S
Title
Prostaglandins and prostanoid receptors in human pregnancy and parturition.
Journal
J Soc Gynecol Investig 9:118-24 (2002)
Reference
Authors
Shmygol A, Gullam J, Blanks A, Thornton S
Title
Multiple mechanisms involved in oxytocin-induced modulation of myometrial contractility.
Journal
Reference
Authors
Tahara M, Morishige K, Sawada K, Ikebuchi Y, Kawagishi R, Tasaka K, Murata Y
Title
RhoA/Rho-kinase cascade is involved in oxytocin-induced rat uterine contraction.
Journal
Reference
Authors
Slattery MM, Morrison JJ
Title
Preterm delivery.
Journal
Reference
Authors
Pont JN, McArdle CA, Lopez Bernal A
Title
Oxytocin-stimulated NFAT transcriptional activation in human myometrial cells.
Journal
Reference
Authors
Gutkowska J, Jankowski M, Lambert C, Mukaddam-Daher S, Zingg HH, McCann SM
Title
Oxytocin releases atrial natriuretic peptide by combining with oxytocin receptors in the heart.
Journal
Reference
Authors
Antunes-Rodrigues J, de Castro M, Elias LL, Valenca MM, McCann SM
Title
Neuroendocrine control of body fluid metabolism.
Journal
Reference
Authors
Lee ES, Uhm KO, Lee YM, Kwon J, Park SH, Soo KH
Title
Oxytocin stimulates glucose uptake in skeletal muscle cells through the calcium-CaMKK-AMPK pathway.
Journal
Reference
Authors
Cassoni P, Sapino A, Fortunati N, Munaron L, Chini B, Bussolati G
Title
Oxytocin inhibits the proliferation of MDA-MB231 human breast-cancer cells via cyclic adenosine monophosphate and protein kinase A.
Journal
Reference
Authors
Busnelli M, Peverelli E, Mantovani G, Spada A, Chini B
Title
Deciphering the specific role of G(alphai/o) isoforms: functional selective oxytocin ligands and somatostatin SST5 receptor mutants.
Journal
Reference
Authors
Reversi A, Rimoldi V, Brambillasca S, Chini B
Title
Effects of cholesterol manipulation on the signaling of the human oxytocin receptor.
Journal
Reference
Authors
Salmina AB, Lopatina O, Ekimova MV, Mikhutkina SV, Higashida H
Title
CD38/cyclic ADP-ribose system: a new player for oxytocin secretion and regulation of social behaviour.
Journal
Reference
Authors
Higashida H, Yokoyama S, Kikuchi M, Munesue T
Title
CD38 and its role in oxytocin secretion and social behavior.
Journal
Reference
Authors
Lopatina O, Inzhutova A, Salmina AB, Higashida H
Title
The roles of oxytocin and CD38 in social or parental behaviors.
Journal
Reference
Authors
Guse AH
Title
Second messenger function and the structure-activity relationship of cyclic adenosine diphosphoribose (cADPR).
Journal
Related pathway
KO pathway