APOBEC4 Activators
APOBEC4 Activators are a group of compounds that act by influencing the cAMP-dependent protein kinase A (PKA) pathway. APOBEC4 is a member of the APOBEC family of proteins, which are implicated in various biological processes including the cAMP-dependent pathway. Phosphorylation by PKA is a common post-translational modification that can enhance the activity of many proteins, including APOBEC4. Therefore, compounds that influence the PKA pathway, such as forskolin and 8-Bromo-cAMP, can enhance APOBEC4 activity. Forskolin directly stimulates adenylate cyclase, increasing intracellular levels of cAMP, which can subsequently activate PKA. Similarly, 8-Bromo-cAMP, a cell-permeable cAMP analog, can stimulate PKA.
The second group of compounds that can activate APOBEC4 are inhibitors of phosphodiesterases, the enzymes that break down cAMP. These include IBMX, a non-selective inhibitor, and more selective inhibitors such as rolipram (PDE4), cilostamide (PDE3), and vinpocetine (PDE1). By inhibiting these enzymes, these compounds increase the level of cAMP, which can subsequently activate PKA and enhance APOBEC4 activity. Another compound, H89, inhibits PKA, leading to increased phosphorylation of APOBEC4, thereby enhancing its activity. Additionally,compounds like SQ22536, KH7, and Zardaverine work by influencing adenylate cyclase, the enzyme responsible for converting ATP to cAMP, thereby modulating the levels of cAMP. SQ22536 is an inhibitor of adenylate cyclase, which indirectly enhances APOBEC4 activity by impacting PKA activation, while KH7 is a soluble adenylyl cyclase inhibitor that increases cAMP levels and enhances APOBEC4 activity via PKA. Etazolate and milrinone are other examples of phosphodiesterase inhibitors that increase cAMP levels and subsequently enhance APOBEC4 activity through PKA. Etazolate is a selective phosphodiesterase 4 inhibitor, and milrinone is a selective phosphodiesterase 3 inhibitor. Zardaverine, a dual inhibitor of phosphodiesterases 3 and 4, also increases cAMP levels and enhances APOBEC4 activation.
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| 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 | |
Forskolin directly stimulates adenylate cyclase, increasing intracellular levels of cAMP. This can enhance APOBEC4 activity by affecting cAMP-dependent protein kinase A (PKA), which can phosphorylate and activate APOBEC4. | ||||||
8-Bromo-cAMP | 76939-46-3 | sc-201564 sc-201564A | 10 mg 50 mg | $126.00 $328.00 | 30 | |
8-Bromo-cAMP is a cell-permeable cAMP analog. It can stimulate PKA, which can phosphorylate and activate APOBEC4. | ||||||
H-89 dihydrochloride | 130964-39-5 | sc-3537 sc-3537A | 1 mg 10 mg | $94.00 $186.00 | 71 | |
H89 is a potent inhibitor of PKA. By inhibiting PKA, it increases the phosphorylation of APOBEC4, thereby enhancing its activity. | ||||||
IBMX | 28822-58-4 | sc-201188 sc-201188B sc-201188A | 200 mg 500 mg 1 g | $260.00 $350.00 $500.00 | 34 | |
IBMX is a non-selective inhibitor of phosphodiesterases, which break down cAMP. By inhibiting these enzymes, IBMX increases the level of cAMP, which can enhance the activity of APOBEC4 by affecting PKA. | ||||||
Rolipram | 61413-54-5 | sc-3563 sc-3563A | 5 mg 50 mg | $77.00 $216.00 | 18 | |
Rolipram is a selective inhibitor of phosphodiesterase 4, which breaks down cAMP. By inhibiting this enzyme, rolipram increases the level of cAMP, enhancing APOBEC4 activity through PKA. | ||||||
SQ 22536 | 17318-31-9 | sc-201572 sc-201572A | 5 mg 25 mg | $95.00 $363.00 | 13 | |
SQ22536 is an adenylate cyclase inhibitor, which reduces cAMP levels. This indirectly enhances APOBEC4 activity by affecting cAMP-dependent PKA, which can phosphorylate and activate APOBEC4. | ||||||
Cilostamide (OPC 3689) | 68550-75-4 | sc-201180 sc-201180A | 5 mg 25 mg | $92.00 $357.00 | 16 | |
Cilostamide is a selective inhibitor of phosphodiesterase 3, which breaks down cAMP. By inhibiting this enzyme, cilostamide increases the level of cAMP, enhancing APOBEC4 activity through PKA. | ||||||
Zardaverine | 101975-10-4 | sc-201208 sc-201208A | 5 mg 25 mg | $88.00 $379.00 | 1 | |
Zardaverine is a dual inhibitor of phosphodiesterases 3 and 4, increasing the level of cAMP and enhancing APOBEC4 activity through PKA. | ||||||
Etazolate Hydrochloride | 35838-58-5 | sc-201186 sc-201186A | 5 mg 25 mg | $61.00 $255.00 | 5 | |
Etazolate is a selective phosphodiesterase 4 inhibitor, which increases the level of cAMP and enhances APOBEC4 activity through PKA. | ||||||
Milrinone | 78415-72-2 | sc-201193 sc-201193A | 10 mg 50 mg | $165.00 $697.00 | 7 | |
Milrinone is a selective phosphodiesterase 3 inhibitor, which increases the level of cAMP and enhances APOBEC4 activity through PKA. | ||||||