Entry Name Prolactin signaling pathway
Description Prolactin (PRL) is a polypeptide hormone known to be involved in a wide range of biological functions including osmoregulation, lactation, reproduction, growth and development, endocrinology and metabolism, brain and behavior, and immunomodulation. PRL mediates its action through PRLR, a transmembrane protein of the hematopoietin cytokine receptor superfamily. At the protein level, the long PRLR isoform (long-R) and several short PRLR isoforms (short-R) have been detected. Acting through the long-R, PRL activates many signaling cascades including Jak2/Stat, the major cascade, Src kinase, phosphatidylinositol-3-kinase (PI3K)/AKT, and mitogen-activated protein kinase (MAPK) pathways. PRL cannot activate Jak2/Stat5 through the short-R, but can activate pathways including MAPK and PI3K pathways.
Class Organismal Systems; Endocrine systemBRITE hierarchy
Pathway map ko04917 Prolactin signaling pathway
Other DBs Orthology K00922 PIK3CA_B_D; phosphatidylinositol-4,5-bisphosphate 3-kinase catalytic subunit alpha/beta/delta [EC:2.7.1.153 ]
K00965 galT; UDPglucose--hexose-1-phosphate uridylyltransferase [EC:2.7.7.12 ]
K02580 NFKB1; nuclear factor NF-kappa-B p105 subunit
K02649 PIK3R1_2_3; phosphoinositide-3-kinase regulatory subunit alpha/beta/delta
K04248 LHCGR; lutropin-choriogonadotropic hormone receptor
K04364 GRB2; growth factor receptor-bound protein 2
K04366 RAF1; RAF proto-oncogene serine/threonine-protein kinase [EC:2.7.11.1 ]
K04368 MAP2K1, MEK1; mitogen-activated protein kinase kinase 1 [EC:2.7.12.2 ]
K04369 MAP2K2, MEK2; mitogen-activated protein kinase kinase 2 [EC:2.7.12.2 ]
K04379 FOS; proto-oncogene protein c-fos
K04440 JNK; mitogen-activated protein kinase 8/9/10 (c-Jun N-terminal kinase) [EC:2.7.11.24 ]
K04503 CCND1; G1/S-specific cyclin-D1
K04692 STAT3; signal transducer and activator of transcription 3
K04694 SOCS1, JAB; suppressor of cytokine signaling 1
K04695 SOCS2, CIS2; suppressor of cytokine signaling 2
K04696 SOCS3, CIS3; suppressor of cytokine signaling 3
K04697 SOCS4; suppressor of cytokine signaling 4
K04698 SOCS5; suppressor of cytokine signaling 5
K04699 SOCS6_7; suppressor of cytokine signaling 6/7
K04701 CISH; cytokine inducible SH2-containing protein
K04735 RELA; transcription factor p65
K05081 PRLR; prolactin receptor
K05147 TNFRSF11A, RANK, CD265; tumor necrosis factor receptor superfamily member 11A
K05473 TNFSF11, RANKL, CD254; tumor necrosis factor ligand superfamily member 11
K06279 SHC1; SHC-transforming protein 1
K07593 SLC2A2, GLUT2; MFS transporter, SP family, solute carrier family 2 (facilitated glucose transporter), member 2
K07827 KRAS, KRAS2; GTPase KRas
K08521 LHB; lutropin subunit beta
K08522 CGA; glycoprotein hormones alpha chain
K08550 ESR1, NR3A1; estrogen receptor alpha
K08551 ESR2, NR3A2; estrogen receptor beta
K09408 FOXO3; forkhead box protein O3
K09444 IRF1; interferon regulatory factor 1
K10151 CCND2; G1/S-specific cyclin-D2
K11220 STAT1; signal transducer and activator of transcription 1
K11223 STAT5A; signal transducer and activator of transcription 5A
K11224 STAT5B; signal transducer and activator of transcription 5B
K17101 ELF5; E74-like factor 5
K17106 WAP; whey acidic protein
K17447 SHC2; SHC-transforming protein 2
K17448 SHC3; SHC-transforming protein 3
K17449 SHC4; SHC-transforming protein 4
Compound C00355 3,4-Dihydroxy-L-phenylalanine
C05981 Phosphatidylinositol-3,4,5-trisphosphate
Reference Authors Binart N, Bachelot A, Bouilly J
Title Impact of prolactin receptor isoforms on reproduction.
Journal Reference Authors Bachelot A, Binart N
Title Reproductive role of prolactin.
Journal Reference Authors Hennighausen L, Robinson GW
Title Information networks in the mammary gland.
Journal Reference Authors Bouilly J, Sonigo C, Auffret J, Gibori G, Binart N
Title Prolactin signaling mechanisms in ovary.
Journal Reference Authors Oakes SR, Rogers RL, Naylor MJ, Ormandy CJ
Title Prolactin regulation of mammary gland development.
Journal Reference Authors Frasor J, Gibori G
Title Prolactin regulation of estrogen receptor expression.
Journal Reference Authors Bole-Feysot C, Goffin V, Edery M, Binart N, Kelly PA
Title Prolactin (PRL) and its receptor: actions, signal transduction pathways and phenotypes observed in PRL receptor knockout mice.
Journal Reference Authors Weinhaus AJ, Stout LE, Bhagroo NV, Brelje TC, Sorenson RL
Title Regulation of glucokinase in pancreatic islets by prolactin: a mechanism for increasing glucose-stimulated insulin secretion during pregnancy.
Journal Reference Authors Grattan DR, Kokay IC
Title Prolactin: a pleiotropic neuroendocrine hormone.
Journal Reference Authors Yu-Lee LY, Luo G, Book ML, Morris SM
Title Lactogenic hormone signal transduction.
Journal Reference Authors Tam SP, Lau P, Djiane J, Hilton DJ, Waters MJ
Title Tissue-specific induction of SOCS gene expression by PRL.
Journal Reference Authors Halperin J, Devi SY, Elizur S, Stocco C, Shehu A, Rebourcet D, Unterman TG, Leslie ND, Le J, Binart N, Gibori G
Title Prolactin signaling through the short form of its receptor represses forkhead transcription factor FOXO3 and its target gene galt causing a severe ovarian defect.
Journal Reference Authors Sakamoto K, Creamer BA, Triplett AA, Wagner KU
Title The Janus kinase 2 is required for expression and nuclear accumulation of cyclin D1 in proliferating mammary epithelial cells.
Journal Reference Authors Oakes SR, Hilton HN, Ormandy CJ
Title The alveolar switch: coordinating the proliferative cues and cell fate decisions that drive the formation of lobuloalveoli from ductal epithelium.
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