EphA3 Activators
EphA3, a member of the Eph receptor tyrosine kinase family, plays critical roles in various cellular processes such as cell adhesion, migration, and tissue patterning during embryonic development. Within the context of the nervous system, EphA3 is involved in axon guidance and synaptic plasticity, contributing to the establishment of precise neural circuits. Additionally, EphA3 is expressed in certain regions of the adult brain, including the hippocampus and cerebral cortex, where it participates in synaptic transmission and neuronal network organization. Moreover, EphA3 has been implicated in angiogenesis and vascular development, further highlighting its diverse functions in both embryonic and adult tissues.
Activation of EphA3 typically occurs upon binding to its cognate ligands, the ephrin family of proteins, which are anchored to the cell membrane of neighboring cells. This binding event triggers receptor dimerization and autophosphorylation of tyrosine residues within the intracellular kinase domain of EphA3. Subsequently, activated EphA3 initiates downstream signaling cascades, including the activation of various intracellular pathways such as the Ras-MAPK, PI3K-Akt, and Src kinase pathways. These signaling pathways mediate diverse cellular responses, including cytoskeletal rearrangement, cell migration, proliferation, and survival. Furthermore, EphA3 activation can induce bidirectional signaling, leading to repulsive or attractive cellular responses depending on the cellular context and the specific ligands involved. Overall, EphA3 activation orchestrates intricate cellular processes essential for development, homeostasis, and tissue function, highlighting its significance as a key regulator of cell behavior and tissue morphogenesis.
SEE ALSO...
| Product Name | CAS # | Catalog # | QUANTITY | Price | Citations | RATING |
|---|---|---|---|---|---|---|
Cholesterol | 57-88-5 | sc-202539C sc-202539E sc-202539A sc-202539B sc-202539D sc-202539 | 5 g 5 kg 100 g 250 g 1 kg 25 g | $27.00 $2809.00 $129.00 $210.00 $583.00 $88.00 | 11 | |
Cholesterol, a naturally occurring lipid in cell membranes, plays a vital role in maintaining membrane integrity and fluidity. It may influence EphA3 signaling by affecting receptor clustering within the lipid bilayer. | ||||||
Methyl-β-cyclodextrin | 128446-36-6 | sc-215379A sc-215379 sc-215379C sc-215379B | 100 mg 1 g 10 g 5 g | $20.00 $48.00 $160.00 $82.00 | 19 | |
Methyl-β-cyclodextrin is known to disrupt lipid rafts in cell membranes. EphA3 receptors are often associated with lipid rafts, and the disruption of these microdomains by methyl-β-cyclodextrin may affect EphA3 receptor localization and interactions with downstream signaling partners, potentially influencing EphA3 activation and signaling cascades. | ||||||
PP 2 | 172889-27-9 | sc-202769 sc-202769A | 1 mg 5 mg | $94.00 $227.00 | 30 | |
PP2 is a selective inhibitor of Src family kinases (SFKs), which can indirectly influence EphA3 signaling. SFKs play a role in Eph receptor phosphorylation and activation. By inhibiting SFKs, PP2 may modulate the phosphorylation status of EphA3, thereby potentially affecting its downstream signaling pathways. | ||||||
PMA | 16561-29-8 | sc-3576 sc-3576A sc-3576B sc-3576C sc-3576D | 1 mg 5 mg 10 mg 25 mg 100 mg | $41.00 $132.00 $214.00 $500.00 $948.00 | 119 | |
PMA is a potent activator of protein kinase C (PKC) and can stimulate the MAPK pathway. EphA3 signaling is intertwined with MAPK cascades. Activation of PKC by PMA may trigger signaling events that indirectly impact EphA3 activation and its downstream responses, although the precise mechanisms would require further investigation. | ||||||
Ionomycin | 56092-82-1 | sc-3592 sc-3592A | 1 mg 5 mg | $78.00 $270.00 | 80 | |
Ionomycin is a calcium ionophore, leading to an increase in intracellular calcium levels. Calcium signaling is involved in various cellular processes, including Eph receptor activation. Elevated intracellular calcium levels induced by ionomycin may indirectly influence EphA3 signaling by modulating downstream effectors and kinases. | ||||||
Guanosine 5′-O-(3-thiotriphosphate) tetralithium salt | 94825-44-2 | sc-202639 | 10 mg | $465.00 | ||
Guanosine 5'-O-(3-thiotriphosphate) tetralithium salt is a non-hydrolyzable analog of GTP and can activate small GTPases like RhoA or Rac1. EphA3 signaling can interact with small GTPases, particularly in processes related to cytoskeletal dynamics and cell motility. GTPγS may activate these GTPases, indirectly affecting EphA3-mediated cellular responses. | ||||||
Dibutyryl-cAMP | 16980-89-5 | sc-201567 sc-201567A sc-201567B sc-201567C | 20 mg 100 mg 500 mg 10 g | $47.00 $136.00 $492.00 $4552.00 | 74 | |
Db-cAMP is a cell-permeable analog of cAMP. EphA3 signaling can be influenced by cAMP-dependent pathways. Db-cAMP may activate these pathways, leading to indirect modulation of EphA3 signaling and its downstream effects within the cell. The precise mechanisms would require further investigation. | ||||||
Chlorpromazine | 50-53-3 | sc-357313 sc-357313A | 5 g 25 g | $61.00 $110.00 | 21 | |
Chlorpromazine is a compound known to modulate endocytosis processes within cells. EphA3 internalization and trafficking can be regulated by endocytosis. Chlorpromazine may influence the endocytic pathways that EphA3 employs, thereby potentially impacting receptor availability and downstream signaling. | ||||||
Sodium Orthovanadate | 13721-39-6 | sc-3540 sc-3540B sc-3540A | 5 g 10 g 50 g | $49.00 $57.00 $187.00 | 142 | |
Sodium orthovanadate is a general phosphatase inhibitor, including protein tyrosine phosphatases (PTPs). EphA3 signaling involves phosphorylation events, and PTPs can dephosphorylate EphA3. By inhibiting PTPs, sodium orthovanadate may enhance EphA3 signaling by reducing receptor dephosphorylation, thereby influencing downstream signaling pathways. | ||||||