RAPGEF3 Antibody

1. Epac1 can restore normal insulin signaling in the retinal vasculature through reductions in inflammatory cytokines PMID: 30116147
2. EPAC1inhibits AnxA2 surface translocation and plasminogen activation via PLCepsilon-PKC pathway. PMID: 29217666
3. Cyclic AMP (cAMP), a secondary messenger responsible for various physiological processes regulates cell metabolism by activating Protein kinase A (PKA) and by targeting exchange protein directly activated by cAMP (EPAC). EPAC is present in two isoforms EPAC1 and EPAC2, which exhibit different tissue distribution and is involved in GDP/GTP exchange along with activating Rap1- and Rap2-mediated signaling pathways. PMID: 29417338
4. These data reveal a MAPK pathway-independent switch in response to cAMP signaling during melanoma progression.Implications: The prosurvival mechanism involving the cAMP-EPAC-RAP1 signaling pathway suggest the potential for new targeted therapies in melanoma. PMID: 28851815
5. s show that blockade of cAMP signaling using MDL12330A led to an increase in PUMA transcript levels, but not p21 in melanoma cells. Results suggest that transcriptional repression is one of the functions of the cAMP-Epac signaling pathway. PMID: 28489680
6. Results show that Epac1 binds to importin beta1 which prevents its accumulation in plasma membrane and, uncover a cAMP-independent function of Epac1 at the plasma membrane in the regulation of neurite outgrowth. PMID: 27808165
7. Data show that the Epac-Rap1 signaling axis is involved in triapine resistance. PMID: 27602951
8. This study indicates a novel role for Epac1 in PGE2-induced epithelial-to-mesenchymal transition and subsequent activation of beta-catenin PMID: 27344171
9. EPAC1 and EPAC2 expression levels were significantly lower in bladder cancer tissue than in normal bladder tissue. In addition, bladder cancer cell lines showed reduced EPAC1 mRNA expression. Furthermore, EPAC1 overexpression in bladder cancer cell lines induced morphologic changes and markedly suppressed cell migration without affecting cell viability. PMID: 29111327
10. study suggests for the first time the mechanistic insights of mode of action of a primary cAMP-dependent sensor, Exchange protein activated by cAMP 1 (EPAC1), via its interaction with A-kinase anchoring protein 9 (AKAP9). PMID: 28210903
11. We show that hematopoietic cell generation requires cAMP signaling through the Exchange proteins activated by cAMP (cAMP-Epac) axis..in hematopoietic progenitor and stem-like cells, cAMP induction mitigated oxidative stress, created a redox-state balance, and enhanced C-X-C chemokine receptor type 4 (CXCR4) expression, benefiting the maintenance of these primitive cells PMID: 27117782
12. No significant association was observed between RAPGEF3 SNPs and the risk of Alzheimer's disease or neuropsychiatric inventory scores. PMID: 27598965
13. This review focus is on the function of Epac in the heart. Accumulating evidence has revealed that both Epac1 and Epac2 play important roles in the structure and function of the heart under physiological and pathological conditions. [review] PMID: 27549789
14. This interaction is promoted by EPAC1 activation, triggering its translocation to the plasma membrane and binding to NHERF1. Our findings identify a new CFTR-interacting protein and demonstrate that cAMP activates CFTR through two different but complementary pathways - the well-known PKA-dependent channel gating pathway and a new mechanism regulating endocytosis that involves EPAC1. PMID: 27206858
15. The contribution of EGFR, EPAC, and Ca(2+) in CDCA-induced activation of CFTR-dependent Cl(-) secretion. PMID: 27558159
16. Microtubule stabilization was further suggested by the finding that ascorbate increased the amount of Epac1 bound to alpha-tubulin. PMID: 27605450
17. during Epac1-induced activation of mTORC1 and mTORC2, Epac1 may have an additional function as a scaffold protein PMID: 22173835
18. The overexpression of EPAC1 can be used as a marker to predict the outcome of patients with GC, and EPAC1 represents a potential therapeutic modality for treating gastric cancer PMID: 28260059
19. our data provide new insight into the essential role of Epac1 in regulating growth of ovarian cancer cells and suggest that Epac1 might represent an attractive therapeutic target for treatment of ovarian cancer. PMID: 27277757
20. These findings suggested Epac is connected to the SDF-1 signaling cascades. In conclusion, our study revealed that Epac plays a role in human mesenchymal stem cells (hMSCs)homing by promoting adhesion and migration. Appropriate manipulation of Epac may enhance the homing of hMSCs and facilitate their future clinical applications. PMID: 26727165
21. EPAC activity is increased in arterial endothelial cells exposed to laminar-fluid shear stress, activation of EPAC1, and its activation of Rap1, plays a role in promoting alignment and elongation of these cells in the direction of flow. PMID: 26979996
22. EPAC activation consistently reverses clinical and experimental impairment of neutrophil phagocytosis. EPAC signals through Rap-1 and bypasses RhoA. EPAC activation represents a novel potential means by which to reverse impaired neutrophil phagocytosis. PMID: 26388312
23. The cAMP exerted divergent effects on proliferation and promoted cell adhesion of different neuroendocrine cell types, these effects being mediated by both Epac and PKA and involving the same effector GTPase Rap1. PMID: 26589262
24. Impaired microtubule dynamics, due to reduced EPAC1 signaling, links CFTR function to cystic fibrosis cellular events. PMID: 25955407
25. Identified a conserved nuclear pore localisation signal (NPLS; amino acids 764-838 of EPAC1) in the catalytic domains of the cAMP-sensors, EPAC1 and EPAC2A. EPAC1 and EPAC2, display distinct subcellular distributions. PMID: 25683912
26. Thyroid carcinoma cell lines showed no or very weak EPAC1 expression and exhibited no growth-promoting effect after EPAC stimulation. PMID: 25372777
27. findings, coupled with the development of EPAC specific small molecule modulators, validate EPAC1 as a promising target for therapeutic interventions PMID: 26119090
28. association of ezrin with the actin cytoskeleton and phosphorylation on Thr567 are required, but not sufficient, for PKA and EPAC1 to synergistically promote cell spreading following elevations in intracellular cAMP. PMID: 25913012
29. These results demonstrate that glucagon increases hepatic FGF21 secretion via a posttranscriptional mechanism and provide evidence that both the PKA branch and EPAC branch of the cAMP pathway play a role in mediating this effect. PMID: 24733293
30. Sequestration of sperm Rab27 prevents subsequent cAMP/Epac-dependent calcium mobilization from the acrosome. PMID: 25159528
31. Our data may suggest that the downregulation of pulmonary Epac1 expression in COPD patients is related to the upregulation of miRNA-7 PMID: 24994109
32. prostacyclin regulates bone growth via the Epac/Rap1 pathway PMID: 25406016
33. These data suggested that Epac1 in melanoma cells regulates melanoma progression via the HS-FGF2-mediated cell-cell communication. PMID: 24725364
34. EPAC1 and EPAC2 are critical signaling intermediates in osteoclast differentiation that permit RANKL-stimulated NFkB nuclear translocation and actin rearrangements PMID: 25122553
35. cAMP binding to EPAC1 may involve, in addition to the waters from within the first coordination sphere, also some waters from the second coordination sphere of the protein and cAMP. PMID: 23968295
36. AP1 activation and SOCS3 induction by EPAC1 in human umbilical vein endothelial cells occur independently of c-Jun phosphorylation on Ser63. PMID: 24631457
37. data show the expression of EPAC is blunted in HPRT-deficient neuron-like cell lines and fibroblast cells from Lesch-Nyhan syndrome (LNS) patients; propose that the alterations in EPAC/RAP1 signaling and cell migration in HPRT deficiency are crucial for neuro-developmental events that may contribute to neurological dysfunctions in LNS PMID: 23804752
38. s have shown that Epac-specific inhibitor treatment or silencing Epac-1 gene expression rendered cells resistant to Middle East respiratory syndrome coronavirus infection. PMID: 24453361
39. Loss of epithelial integrity in tumorigenesis involves activation of RAP1 via exchange protein directly activated by cAMP (EPAC). PMID: 24316969
40. the inhibitory effect of cAMP on migration, ruffling, focal adhesion dynamics and paxillin localisation is mediated by PKA, whilst EPAC potentiates migration. PMID: 23797058
41. Epac1, a downstream effector of cAMP, functions as a pro-inflammatory modulator in prostate cancer cells. PMID: 23646189
42. Taken together the results collected indicate that Epac may have an important role in the cardiac response to stress. PMID: 23220153
43. Data indicate that Epac1-Rap1A-RhoA-ROCK signaling affects Cl- secretion via effects on the apical expression of KCNN4c channels. PMID: 23720748
44. Epac1 competes with PDE4D5 to interact with beta-arrestin2 under beta2AR activation PMID: 23266473
45. These data provide evidence for the involvement of the Epac/Rap1 signaling pathway in cAMP-mediated decidualization of human endometrial stromal cells. PMID: 23352189
46. cAMP signalling decreases the level of the p300 protein by promoting its ubiquitin-proteasome dependent degradation, which is mediated by Epac and p38 MAPK PMID: 23523631
47. HIF-1alpha binding to the Epac1 promoter recruits hematopoietic stem cells to the ischemic brain following stroke PMID: 22474076
48. Activation of protein kinase A and exchange protein directly activated by cAMP promotes adipocyte differentiation of human mesenchymal stem cells PMID: 22479536
49. cAMP increases adhesion of microvascular smooth muscle cells to fibronectin via an Epac mediated mechanism PMID: 22759971
50. Data uncover a new Epac-Rap1-dependent pathway by which endothelial cells can regulate WPB exocytosis in response to agonists that signal through cAMP. PMID: 22511766

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HGNC: 16629

OMIM: 606057

KEGG: hsa:10411

STRING: 9606.ENSP00000373864

UniGene: Hs.8578