Vav3 Activators
Vav3 Activators encompass a range of chemical compounds that exert their effects on various signaling pathways, ultimately enhancing the functional activity of Vav3. Phorbol 12-myristate 13-acetate (PMA) and Epigallocatechin gallate (EGCG) function through modulating kinase activity; PMA activates PKC, which phosphorylates Vav3, augmentingits guanine nucleotide exchange activity, while EGCG inhibits tyrosine kinases that might otherwise decrease Vav3 activity, thereby indirectly maintaining its activation state. Forskolin and Sildenafil, by increasing intracellular cAMP and cGMP levels respectively, lead to the activation of PKA and PKG, kinases that can phosphorylate substrates involved in enhancing Vav3 activity, particularly in Rho family GTPase signaling pathways. Ionomycin's elevation of intracellular calcium can activate calcineurin, potentially leading to the activation of Vav3 pathways, while Bisindolylmaleimide I, by inhibiting certain PKC isoforms, can relieve negative regulation on Vav3, enhancing its activity related to cytoskeletal rearrangements.
Furthermore, LY294002, by inhibiting PI3K, may disrupt negative feedback loops on Vav3, thus favoring Vav3-mediated cell migration pathways, and Okadaic acid preserves phosphorylation states that result in heightened Vav3 activity. Calpeptin acts protectively, maintaining Vav3 function by inhibiting calpain, which could otherwise cleave and inactivate Vav3. Anisomycin's activation of JNK signaling cascades can indirectly upregulate proteins that support Vav3's role in actin dynamics and cellular responsiveness. CNQX influences calcium dynamics and thereby Vav3 activation through integrin-linked pathways, and Staurosporine selectively enhances Vav3 signaling by inhibiting kinases that negatively affect Vav3 phosphorylation status. These activators, through their targeted effects, collectively serve to potentiate the specific signaling functions of Vav3 without the need for direct activation or upregulation of its expression.
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| Product Name | CAS # | Catalog # | QUANTITY | Price | Citations | RATING |
|---|---|---|---|---|---|---|
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 diacylglycerol (DAG) analog that activates protein kinase C (PKC). Vav3 is a guanine nucleotide exchange factor (GEF) that can be phosphorylated by PKC, leading to increased GTPase activity of Rho/Rac proteins, thereby enhancing Vav3 downstream signaling. | ||||||
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 is an activator of adenylate cyclase, which increases cAMP levels in cells. Elevated cAMP activates PKA, which can phosphorylate Vav3, leading to its activation and thus promoting the exchange of GDP for GTP on Rho family GTPases, enhancing Vav3 activity. | ||||||
Calpeptin | 117591-20-5 | sc-202516 sc-202516A | 10 mg 50 mg | $121.00 $456.00 | 28 | |
Calpeptin is a calpain inhibitor. By inhibiting calpain, which can cleave and inactivate Vav3, calpeptin indirectly preserves Vav3 function, leading to sustained activation of Vav3-mediated signaling pathways. | ||||||
Ionomycin | 56092-82-1 | sc-3592 sc-3592A | 1 mg 5 mg | $78.00 $270.00 | 80 | |
Ionomycin is a calcium ionophore that raises intracellular calcium levels. Elevated calcium can activate calcineurin, which dephosphorylates proteins and can lead to the activation of Vav3-regulated pathways involved in cytoskeletal rearrangements. | ||||||
(−)-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 is a tyrosine kinase inhibitor that may prevent the inactivation of Vav3 by competitive tyrosine kinases. By inhibiting these kinases, EGCG could indirectly sustain Vav3 activity, thereby promoting activation of Rho GTPases. | ||||||
LY 294002 | 154447-36-6 | sc-201426 sc-201426A | 5 mg 25 mg | $123.00 $400.00 | 148 | |
LY294002 is a PI3K inhibitor. Inhibition of PI3K can lead to altered intracellular signaling, potentially relieving negative feedback on Vav3, which may enhance Vav3-mediated activation of Rac1 and other Rho family GTPases involved in cell migration. | ||||||
Bisindolylmaleimide I (GF 109203X) | 133052-90-1 | sc-24003A sc-24003 | 1 mg 5 mg | $105.00 $242.00 | 36 | |
Bisindolylmaleimide I is a PKC inhibitor that can indirectly enhance Vav3 activity by inhibiting PKC isoforms that negatively regulate Vav3 through phosphorylation, thus leading to an increase in Vav3's GEF activity. | ||||||
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 result in increased phosphorylation of Vav3, leading to heightened activity of Vav3 in signaling pathways. | ||||||
Anisomycin | 22862-76-6 | sc-3524 sc-3524A | 5 mg 50 mg | $99.00 $259.00 | 36 | |
Anisomycin is a JNK activator that can lead to the phosphorylation of transcription factors that upregulate proteins involved in Vav3 signaling pathways, indirectly enhancing Vav3's role in actin polymerization and cellular responses to stimuli. | ||||||
6-Cyano-7-nitroquinoxaline-2,3-dione | 115066-14-3 | sc-505104 | 10 mg | $208.00 | 2 | |
CNQX is an AMPA receptor antagonist that can modulate intracellular calcium levels. By altering calcium dynamics, CNQX can influence signaling pathways that indirectly lead to the activation of Vav3, such as those involving integrins and focal adhesion kinases. | ||||||