RBM33 Activators
RBM33 Activators comprise a diverse array of chemical compounds that indirectly promote the functional activity of RBM33 through distinct signaling pathways and cellular mechanisms. Forskolin, by activating adenylate cyclase and increasing cAMP levels, leads to PKA activation, which can phosphorylate and thereby enhance the activity of RBM33 in RNA processing. Similarly, 8-Br-cAMP, a cAMP analogue, directly engages PKA, potentially leading to an increased phosphorylation and activation of RBM33. Phorbol 12-myristate 13-acetate (PMA) and Bryostatin 1, as activators of PKC, contribute to the phosphorylation and thus potential enhancement of RBM33's RNA binding and processing roles. Ionomycin and A23187, both calcium ionophores, elevate intracellular calcium, which can activate calcium-dependent signaling pathways, consequently influencing RBM33's spliceosome interactions andRNA binding. Thapsigargin, by inhibiting SERCA, causes an increase in cytosolic calcium, potentially affecting RBM33's activity through similar calcium-mediated pathways. Okadaic Acid and Calyculin A, as inhibitors of protein phosphatases PP1 and PP2A, maintain RBM33 in a phosphorylated state, presumptively enhancing its functional activity related to RNA splicing.
Further influencing the spliceosomal activity of RBM33, Spliceostatin A and Meayamycin B bind to and modulate the spliceosome complex, which could result in the stabilization of RBM33's association with spliceosomal components or alteration of its role in splice site selection. Jasplakinolide, through its actin-stabilizing effects, may impact the nuclear architecture, thereby affecting the sub-nuclear distribution and function of RBM33 in RNA splicing. These activators, each affecting different aspects of cellular signaling and structure, collectively enhance the functional activity of RBM33 by post-translational modifications, interactions with RNA, or involvement in spliceosome dynamics, without the need to increase its expression levels.
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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 activates adenylate cyclase, thereby increasing the levels of cyclic AMP (cAMP) within cells. The rise in cAMP can lead to the activation of protein kinase A (PKA), which may then phosphorylate RBM33, enhancing its functional activity in RNA binding and processing. | ||||||
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 an activator of protein kinase C (PKC) which when activated, can phosphorylate target proteins. PKC-mediated phosphorylation could enhance the functional activity of RBM33 by modifying its interaction with RNA or its participation in spliceosome assembly. | ||||||
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 | |
This synthetic analogue of cAMP serves as a potent activator of PKA. Upon activation, PKA may phosphorylate RBM33, leading to an increase in its RNA-binding capability or modulation of its role in alternative splicing. | ||||||
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, activating calcium-dependent proteins such as calmodulins. These proteins can influence the activity of RBM33 by altering its conformation or its interaction with other spliceosome components. | ||||||
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 prevents dephosphorylation of proteins, potentially maintaining RBM33 in an active phosphorylated state, thus enhancing its role in RNA metabolism. | ||||||
Spliceostatin A | 391611-36-2 | sc-507481 | 1 mg | $1800.00 | ||
This compound binds to the spliceosome, influencing pre-mRNA splicing. By altering spliceosome dynamics, Spliceostatin A could indirectly enhance RBM33’s function in the splicing process by stabilizing its association with the spliceosome or affecting splice site selection. | ||||||
Calyculin A | 101932-71-2 | sc-24000 sc-24000A | 10 µg 100 µg | $163.00 $800.00 | 59 | |
Similar to Okadaic acid, Calyculin A is an inhibitor of PP1 and PP2A. Persistent phosphorylation due to inhibited dephosphorylation could lead to the sustained activity of RBM33 within its role in post-transcriptional modification of RNA. | ||||||
Bryostatin 1 | 83314-01-6 | sc-201407 | 10 µg | $245.00 | 9 | |
Bryostatin 1 is a PKC activator, which can lead to phosphorylation of downstream proteins. Activated PKC could phosphorylate RBM33, resulting in enhanced RNA-binding activity and efficiency in RNA processing. | ||||||
Thapsigargin | 67526-95-8 | sc-24017 sc-24017A | 1 mg 5 mg | $136.00 $446.00 | 114 | |
Thapsigargin inhibits the sarco/endoplasmic reticulum Ca2+ ATPase (SERCA), leading to increased cytosolic calcium levels, which may activate pathways that modulate RBM33’s function in RNA splicing or interaction with spliceosomal components. | ||||||
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 another calcium ionophore that elevates intracellular calcium concentration. This elevation can activate calcium-dependent kinases and phosphatases, which may indirectly enhance the activity of RBM33 by post-translational modifications. | ||||||