Date published: 2026-4-1

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RasGRP4 Activators

RasGRP4 activators encompass a variety of compounds that influence cellular processes to enhance RasGRP4 activation. The majority of these compounds, such as Phorbol 12-myristate 13-acetate (PMA) and Diacylglycerol (DAG), function by activating Protein Kinase C (PKC). PKC, when activated, phosphorylates RasGRP4, leading to its activation and the subsequent activation of the Ras protein, an essential component in various cellular pathways. A few other compounds, such as the calcium ionophore A23187 and the synthetic DAG analog 1-Oleoyl-2-acetyl-sn-glycerol (OAG), also operate similarly by activating PKC, thereby leading to RasGRP4 activation.

Additionally, compounds like Thapsigargin, Ryanodine, and several calcium channel blockers like Nifedipine, Verapamil, Nimodipine, and Diltiazem function by modulating intracellular calcium levels. Increased calcium levels can activate RasGRP4, which subsequently triggers the activation of Ras and downstream pathways. The precise biochemical mechanisms these compounds utilize to enhance RasGRP4 activation provide a clear picture of how intracellular signaling events can be controlled. These chemical entities, therefore, contribute significantly to our understanding of how cellular communication is mediated at a molecular level.

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Items 1 to 10 of 11 total

Display:

Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

PMA

16561-29-8sc-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
(6)

PMA is a potent activator of protein kinase C (PKC). PKC can phosphorylate RasGRP4, which can lead to its activation and the subsequent activation of Ras and downstream effector pathways.

A23187

52665-69-7sc-3591
sc-3591B
sc-3591A
sc-3591C
1 mg
5 mg
10 mg
25 mg
$55.00
$131.00
$203.00
$317.00
23
(1)

A23187 is a mobile ion carrier that transports calcium across the cell membrane. Elevated intracellular calcium levels can activate RasGRP4, which subsequently activates Ras and downstream pathways.

1-Oleoyl-2-acetyl-sn-glycerol (OAG)

86390-77-4sc-200417
sc-200417A
10 mg
50 mg
$119.00
$453.00
1
(1)

OAG is a synthetic analog of DAG and can activate PKC. PKC activation leads to RasGRP4 phosphorylation and activation, thereby activating Ras and downstream signaling pathways.

Ionomycin, free acid

56092-81-0sc-263405
sc-263405A
1 mg
5 mg
$96.00
$264.00
2
(2)

Ionomycin is a calcium ionophore that can increase intracellular calcium levels. Elevated calcium can activate RasGRP4, leading to Ras activation and the stimulation of downstream pathways.

Thapsigargin

67526-95-8sc-24017
sc-24017A
1 mg
5 mg
$136.00
$446.00
114
(2)

Thapsigargin is a non-competitive inhibitor of the sarco-/endoplasmic reticulum Ca2+ ATPase (SERCA), which can increase intracellular calcium levels. Elevated calcium can activate RasGRP4 and thus enhance Ras and downstream signaling.

Ryanodine

15662-33-6sc-201523
sc-201523A
1 mg
5 mg
$223.00
$799.00
19
(2)

Ryanodine can modulate intracellular calcium release from the endoplasmic reticulum. The resulting increase in calcium levels can activate RasGRP4, leading to the activation of Ras and downstream pathways.

BAPTA/AM

126150-97-8sc-202488
sc-202488A
25 mg
100 mg
$138.00
$458.00
61
(2)

BAPTA-AM is a cell-permeable calcium chelator. By modulating intracellular calcium levels, it can indirectly impact RasGRP4 activity and downstream Ras signaling.

Nifedipine

21829-25-4sc-3589
sc-3589A
1 g
5 g
$59.00
$173.00
15
(1)

Nifedipine is a calcium channel blocker. By modulating calcium levels in cells, it indirectly impacts the activation of RasGRP4 and subsequently Ras and downstream signaling pathways.

Verapamil

52-53-9sc-507373
1 g
$374.00
(0)

Verapamil is another calcium channel blocker. It can modulate cellular calcium levels and thereby indirectly influence the activation of RasGRP4 and its downstream pathways.

Nimodipine

66085-59-4sc-201464
sc-201464A
100 mg
1 g
$61.00
$307.00
2
(1)

Nimodipine is a calcium channel blocker that can affect cellular calcium levels. This modulation can influence RasGRP4 activation and downstream signaling.