GPB5 Activators
GPB5 activators include chemicals that act predominantly by modulating intracellular second messengers such as cAMP, which is a pivotal signaling molecule influencing the activity of PKA, a kinase with broad regulatory functions, including transcriptional regulation. Increased cAMP levels, achieved through adenylate cyclase activation by forskolin or through inhibition of its degradation by compounds like IBMX or rolipram, lead to PKA activation. PKA then phosphorylates a range of downstream targets, including transcription factors that could elevate GPB5 expression levels. Similarly, cAMP analogs such as 8-Br-cAMP and Sp-cAMPS serve as more stable activators of PKA, bypassing upstream receptors and G proteins to provide a direct boost to PKA activity.
Beyond cAMP-PKA axis modulators, other compounds like retinoic acid operate through nuclear hormone receptors to modulate gene expression, affecting GPB5. Retinoic acid, specifically, binds retinoic acid receptors to regulate transcription directly. Moreover, calcium signaling is another crucial cellular process that can influence a multitude of pathways, with calcimycin (A23187) serving as an example of a compound that can increase intracellular calcium and, thus, affect signaling pathways and gene expression profiles, including those related to GPB5. Lithium chloride's inhibition of GSK-3 leads to stabilization and nuclear translocation of beta-catenin, which may influence the expression of genes within the Wnt signaling pathway, thereby offering an indirect route to modifying GPB5 expression.
| Product Name | CAS # | Catalog # | QUANTITY | Price | Citations | RATING |
|---|---|---|---|---|---|---|
Forskolin | 66575-29-9 | sc-3562 sc-3562A sc-3562B sc-3562C sc-3562D | 5 mg 50 mg 1 g 2 g 5 g | $78.00 $153.00 $740.00 $1413.00 $2091.00 | 73 | |
Activates adenylate cyclase, increasing cAMP levels which can lead to activation of protein kinase A (PKA). PKA can phosphorylate transcription factors that regulate the expression of GPB5. | ||||||
IBMX | 28822-58-4 | sc-201188 sc-201188B sc-201188A | 200 mg 500 mg 1 g | $260.00 $350.00 $500.00 | 34 | |
A phosphodiesterase inhibitor that prevents cAMP degradation, thereby potentially enhancing PKA activity and subsequent transcription factor activation to promote GPB5 expression. | ||||||
8-Bromoadenosine 3′,5′-cyclic monophosphate | 23583-48-4 | sc-217493B sc-217493 sc-217493A sc-217493C sc-217493D | 25 mg 50 mg 100 mg 250 mg 500 mg | $108.00 $169.00 $295.00 $561.00 $835.00 | 2 | |
A cAMP analog that can activate PKA, thereby possibly influencing transcription factors and enhancing GPB5 expression. | ||||||
(−)-Epinephrine | 51-43-4 | sc-205674 sc-205674A sc-205674B sc-205674C sc-205674D | 1 g 5 g 10 g 100 g 1 kg | $41.00 $104.00 $201.00 $1774.00 $16500.00 | ||
Can bind to beta-adrenergic receptors, activating Gs protein and adenylate cyclase, leading to increased cAMP and PKA activation, which can influence GPB5 expression. | ||||||
Retinoic Acid, all trans | 302-79-4 | sc-200898 sc-200898A sc-200898B sc-200898C | 500 mg 5 g 10 g 100 g | $66.00 $325.00 $587.00 $1018.00 | 28 | |
By binding to retinoic acid receptors, it can regulate gene expression. It has the potential to influence the transcription of genes including GPB5 through activation of retinoic acid response elements. | ||||||
Sp-cAMPS | 93602-66-5 | sc-201571 | 1 mg | $97.00 | 3 | |
A cAMP analog resistant to degradation by phosphodiesterases. It activates PKA and can modulate transcription factor activity, potentially affecting GPB5 expression. | ||||||
Rolipram | 61413-54-5 | sc-3563 sc-3563A | 5 mg 50 mg | $77.00 $216.00 | 18 | |
A selective phosphodiesterase 4 inhibitor, leading to increased cAMP levels in cells, which can enhance PKA activation and potentially upregulate GPB5 expression. | ||||||
A23187 | 52665-69-7 | sc-3591 sc-3591B sc-3591A sc-3591C | 1 mg 5 mg 10 mg 25 mg | $55.00 $131.00 $203.00 $317.00 | 23 | |
An ionophore that raises intracellular calcium levels, which can activate downstream signaling pathways including calcineurin and NFAT, which may then influence GPB5 expression. | ||||||
Lithium | 7439-93-2 | sc-252954 | 50 g | $214.00 | ||
Can inhibit glycogen synthase kinase-3 (GSK-3), leading to stabilization of beta-catenin and activation of Wnt signaling target genes; though not directly linked to GPB5, such modulation of cellular signaling pathways may have downstream effects on GPB5 expression. | ||||||