CaMKV Activators
CaMKV activators are chemical compounds that specifically enhance the activity of the calcium/calmodulin-dependent protein kinase V (CaMKV) enzyme. This kinase is part of a larger family of serine/threonine-specific protein kinases that are regulated by the calcium/calmodulin complex. CaMKV activators function by increasing the enzyme's ability to phosphorylate its substrates, which is a critical process in the transduction of calcium signals within cells. These activators achieve their effects by stabilizing the active form of CaMKV or by facilitating its interaction with calcium/calmodulin. When CaMKV is active, it plays a key role in various cellular processes including, but not limited to, the regulation of gene expression, cell cycle progression, and synaptic plasticity, which is fundamental for learning and memory. The specificity of CaMKV activators is paramount, as they do not indiscriminately activate other kinases in the calcium/calmodulin-dependent protein kinase (CaMK) group, which includes several isoforms such as CaMKI, CaMKII, and CaMKIV. This specificity ensures that the precise cellular functions mediated by CaMKV can be modulated without cross-activating other kinases that could lead to unintended cellular responses.
The activation of CaMKV by these compounds follows a precise biochemical mechanism. Upon binding of calcium ions to calmodulin, a structural change in the calmodulin molecule exposes its binding domain, allowing it to interact with CaMKV. Activators may enhance this interaction, ensuring a more stable and effective binding which results in the sustained activation of CaMKV. Once activated, CaMKV phosphorylates a select set of protein substrates, each of which has a unique role within the cell, leading to the propagation of calcium's second messenger effects. These effects are diverse and context-dependent, ranging from the modulation of neurotransmitter release at neuronal synapses to the adjustment of metabolic pathways in response to changes in cellular energy status. The action of CaMKV activators is thus tightly linked to the dynamics of intracellular calcium concentrations and the availability of calmodulin, ensuring that the kinase's activity is appropriately regulated in response to the fluctuating demands of cellular signaling networks. By enhancing the activity of CaMKV, these activators amplify the specific downstream effects mediated by this kinase, which are essential for maintaining cellular homeostasis and responding to physiological stimuli.
SEE ALSO...
| 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, increasing intracellular cAMP levels. This rise in cAMP activates PKA, which can phosphorylate and increase the activity of CaMKV by enhancing its ability to bind to calmodulin, its primary activator, thereby facilitating the phosphorylation of downstream targets involved in neuronal signaling and plasticity. | ||||||
Isoproterenol Hydrochloride | 51-30-9 | sc-202188 sc-202188A | 100 mg 500 mg | $28.00 $38.00 | 5 | |
Isoproterenol, a beta-adrenergic agonist, elevates cAMP levels by stimulating adenylyl cyclase through G protein-coupled receptor signaling. Heightened cAMP levels lead to PKA activation, which then enhances CaMKV activity by phosphorylation at specific sites that increase its affinity for calmodulin, thus promoting its activation state. | ||||||
8-Bromo-cAMP | 76939-46-3 | sc-201564 sc-201564A | 10 mg 50 mg | $126.00 $328.00 | 30 | |
8-Br-cAMP is a cAMP analog that activates PKA. The activated PKA can phosphorylate CaMKV, thereby increasing its catalytic efficiency and enhancing its activation by calmodulin. This results in an upregulation of CaMKV activity and its downstream effects on neuronal gene expression. | ||||||
AICAR | 2627-69-2 | sc-200659 sc-200659A sc-200659B | 50 mg 250 mg 1 g | $65.00 $280.00 $400.00 | 48 | |
AICAR activates AMP-activated protein kinase (AMPK), which can lead to the phosphorylation of specific sites on CaMKV, modulating its activity. The phosphorylation mimics energy stress signals, indirectly facilitating the activation of CaMKV and promoting its role in cellular energy homeostasis. | ||||||
Anisomycin | 22862-76-6 | sc-3524 sc-3524A | 5 mg 50 mg | $99.00 $259.00 | 36 | |
Anisomycin acts as a JNK activator by inducing the MAPK pathway. JNK can phosphorylate transcription factors that influence the expression of proteins that interact with CaMKV, indirectly enhancing its functional activity through modulatory effects on its protein-protein interactions within signaling complexes. | ||||||
(±)-Bay K 8644 | 71145-03-4 | sc-203324 sc-203324A sc-203324B | 1 mg 5 mg 50 mg | $84.00 $196.00 $817.00 | ||
Bay K8644 is an L-type calcium channel agonist that increases intracellular calcium concentrations, which can directly activate calmodulin, the primary activator of CaMKV. This leads to an increase in CaMKV activation and its downstream signaling involved in synaptic plasticity and memory formation. | ||||||
Rolipram | 61413-54-5 | sc-3563 sc-3563A | 5 mg 50 mg | $77.00 $216.00 | 18 | |
Rolipram inhibits phosphodiesterase 4 (PDE4), preventing the breakdown of cAMP. Elevated cAMP levels activate PKA which can phosphorylate CaMKV, enhancing its binding to calmodulin and promoting its activation. This contributes to the regulation of CaMKV in synaptic plasticity and memory processes. | ||||||
BAPTA/AM | 126150-97-8 | sc-202488 sc-202488A | 25 mg 100 mg | $138.00 $458.00 | 61 | |
BAPTA-AM is a cell-permeable calcium chelator that, once inside cells, is hydrolyzed to yield BAPTA, which binds to calcium. This can lead to the redistribution of cellular calcium and the activation of calcium-dependent processes, including the activation of calmodulin which, in turn, enhances the activity of CaMKV in processes such as learning and memory. | ||||||
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 | ||||||