EHD4 Activators
EHD4 activators encompass a diverse array of chemical compounds that indirectly enhance the functional activity of EHD4 by modulating various cellular signaling pathways involved in vesicular trafficking and endocytic recycling. For instance, Forskolin and 8-BromocAMP capitalize on the cAMP-dependent protein kinase (PKA) signaling axis to influence cellular processes that could converge on EHD4 activation. Forskolin elevates cAMP levels, enabling PKA to phosphorylate target proteins that may include those associated with EHD4, thereby facilitating EHD4's role in endocytic recycling. Similarly, 8-Bromo-cAMP, a synthetic analogue of cAMP, serves the same function, potentially enhancing the phosphorylation state of EHD4 or its interacting partners. Ionomycin, by acting as a calcium ionophore, and A23187, similarly, elevate intracellular calcium levels, which could activate calcium-sensitive proteins such as calmodulin-dependent kinase (CaMK). This kinase, in turn, might phosphorylate EHD4 or associated proteins, leading to enhanced EHD4-mediated vesicular trafficking.
The biochemical landscape supporting EHD4's activity is further shaped by compounds that modulate kinase and phosphatase activities. Calyculin A and Okadaic acid, inhibitors of protein phosphatases PP1 and PP2A, prevent dephosphorylation, potentially maintaining EHD4 in a phosphorylated, active state. LY294002, a PI3K pathway inhibitor, and U0126, a MEK inhibitor, alter downstream signaling events that could pivot cellular dynamics to boost EHD4's recycling functions. Paradoxically, Gö 6983, although a PKC inhibitor, may instigate PKC isoform-specific modulation that indirectly promotes EHD4 activity. Furthermore, Epigallocatechin gallate (EGCG) and Sphingosine-1-phosphate (S1P) exert influence by inhibiting receptor tyrosine kinases and engaging S1P receptor-mediated signaling, respectively, which could recalibrate the endocytic machinery in a manner that accentuates the functionality of EHD4 in the cellular recycling network.
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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 activates adenylyl cyclase, leading to increased levels of cyclic AMP (cAMP) in cells. Elevated cAMP activates PKA (protein kinase A), which can phosphorylate various proteins, potentially including EHD4, or its associated regulatory proteins, thereby enhancing EHD4's activity. | ||||||
Ionomycin | 56092-82-1 | sc-3592 sc-3592A | 1 mg 5 mg | $78.00 $270.00 | 80 | |
Ionomycin is a calcium ionophore which increases intracellular calcium levels. Elevated calcium can activate calmodulin-dependent kinase (CaMK), which could then phosphorylate EHD4 or associated proteins, resulting in enhanced EHD4-mediated endocytic recycling. | ||||||
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). Activated PKC can phosphorylate proteins involved in endocytic recycling, potentially including EHD4, thereby enhancing the functional activity of EHD4 in cellular trafficking. | ||||||
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 that activates PKA. PKA activation can lead to phosphorylation of proteins involved in vesicular trafficking, indirectly enhancing EHD4's involvement in these processes. | ||||||
Calyculin A | 101932-71-2 | sc-24000 sc-24000A | 10 µg 100 µg | $163.00 $800.00 | 59 | |
Calyculin A is an inhibitor of protein phosphatases 1 (PP1) and 2A (PP2A), which prevents dephosphorylation of proteins. By inhibiting PP1 and PP2A, the phosphorylation state of proteins involved in endocytosis, possibly including EHD4, is maintained or enhanced. | ||||||
(−)-Epigallocatechin Gallate | 989-51-5 | sc-200802 sc-200802A sc-200802B sc-200802C sc-200802D sc-200802E | 10 mg 50 mg 100 mg 500 mg 1 g 10 g | $43.00 $73.00 $126.00 $243.00 $530.00 $1259.00 | 11 | |
EGCG has been shown to inhibit certain types of cell surface receptor tyrosine kinases, which could lead to altered signaling pathways affecting endocytosis and recycling. This alteration might increase the functional activity of EHD4 by reducing competitive signaling pathways. | ||||||
LY 294002 | 154447-36-6 | sc-201426 sc-201426A | 5 mg 25 mg | $123.00 $400.00 | 148 | |
LY294002 is an inhibitor of the PI3K/Akt pathway. Inhibition of PI3K can affect multiple signaling cascades, possibly leading to an upregulation of recycling endosomes where EHD4 functions, thus indirectly enhancing the activity of EHD4. | ||||||
Okadaic Acid | 78111-17-8 | sc-3513 sc-3513A sc-3513B | 25 µg 100 µg 1 mg | $291.00 $530.00 $1800.00 | 78 | |
Okadaic acid is a potent inhibitor of protein phosphatases PP1 and PP2A. Inhibition of these phosphatases can lead to increased phosphorylation levels of proteins, including those in the endocytic recycling pathway, potentially enhancing the activity of EHD4. | ||||||
Gö 6983 | 133053-19-7 | sc-203432 sc-203432A sc-203432B | 1 mg 5 mg 10 mg | $105.00 $299.00 $474.00 | 15 | |
Gö 6983 is a PKC inhibitor, but paradoxically, it has been shown that certain PKC inhibitors can lead to PKC isoform-specific translocation and activation. This could indirectly enhance EHD4 activity if PKC isoforms that regulate endocytic recycling are activated. | ||||||
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 | |
A23187 is a calcium ionophore that increases intracellular calcium concentration, possibly activating signaling pathways that could phosphorylate and enhance EHD4 activity in vesicular trafficking and recycling. | ||||||