Date published: 2025-12-24

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V1RI4 Activators

Chemical activators of V1RI4 include a variety of compounds that can initiate intracellular signaling cascades resulting in the protein's activation. Calcium Chloride and Ionomycin, for example, function by increasing intracellular calcium levels, which is a common second messenger in cellular signaling. This elevation in calcium, in turn, activates calcium-dependent pathways that V1RI4 is part of. The increase in intracellular calcium can originate from extracellular sources, as in the case of Calcium Chloride, or by mobilizing intracellular stores through the action of ionophores like Ionomycin. Forskolin, on the other hand, bypasses the calcium signaling and directly stimulates adenylyl cyclase, thus increasing cAMP levels within cells. Elevated cAMP activates protein kinase A (PKA), which can then phosphorylate target proteins such as V1RI4, leading to its activation. Similarly, Phorbol 12-Myristate 13-Acetate (PMA) activates protein kinase C (PKC), another kinase that can directly phosphorylate and activate V1RI4.

Neurotransmitters such as Acetylcholine, Histamine, Serotonin, and Nicotine also play roles in the activation of V1RI4. These chemicals bind to their respective receptors and can cause an increase in intracellular calcium or cAMP, thereby activating V1RI4. Acetylcholine and Nicotine work through nicotinic receptors influencing calcium influx, while Histamine and Serotonin can also trigger cAMP production. Glutamate and its agonist, Kainic Acid, activate their receptors which are directly linked to calcium channels, leading to an immediate influx of calcium ions and subsequent activation of V1RI4. Sodium Fluoride acts further upstream by activating G-proteins, which then trigger secondary messenger pathways resulting in the activation of V1RI4. Lastly, Capsaicin targets the TRPV1 receptor, causing a cellular influx of calcium ions, and thereby enabling calcium-dependent activation of V1RI4. Each of these chemicals, through their respective mechanisms, ensures the activation of V1RI4 by modulating intracellular signaling pathways involving either calcium ions or cAMP.

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Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

Calcium chloride anhydrous

10043-52-4sc-207392
sc-207392A
100 g
500 g
$65.00
$262.00
1
(1)

Calcium Chloride activates V1RI4 through increasing intracellular calcium levels which can trigger signaling pathways that V1RI4 is a part of, leading to its activation.

Ionomycin

56092-82-1sc-3592
sc-3592A
1 mg
5 mg
$76.00
$265.00
80
(4)

Ionomycin functions as a calcium ionophore, selectively transporting calcium ions across cellular membranes, thereby elevating intracellular calcium concentrations and activating calcium-dependent pathways involving V1RI4.

Forskolin

66575-29-9sc-3562
sc-3562A
sc-3562B
sc-3562C
sc-3562D
5 mg
50 mg
1 g
2 g
5 g
$76.00
$150.00
$725.00
$1385.00
$2050.00
73
(3)

Forskolin activates adenylyl cyclase, which increases intracellular cAMP levels. Elevated cAMP activates protein kinase A (PKA), which can phosphorylate V1RI4, resulting in activation of the protein.

PMA

16561-29-8sc-3576
sc-3576A
sc-3576B
sc-3576C
sc-3576D
1 mg
5 mg
10 mg
25 mg
100 mg
$40.00
$129.00
$210.00
$490.00
$929.00
119
(6)

Phorbol 12-Myristate 13-Acetate (PMA) activates protein kinase C (PKC), which can phosphorylate and activate V1RI4 as part of downstream signaling.

Histamine, free base

51-45-6sc-204000
sc-204000A
sc-204000B
1 g
5 g
25 g
$92.00
$277.00
$969.00
7
(1)

Histamine binds to its receptors, triggering a cascade that increases intracellular calcium and potentially cAMP, leading to the activation of downstream proteins including V1RI4.

Serotonin hydrochloride

153-98-0sc-201146
sc-201146A
100 mg
1 g
$116.00
$183.00
15
(1)

Serotonin engages its receptors which can lead to increased intracellular calcium levels or cAMP; both of these molecules are involved in signaling pathways that lead to V1RI4 activation.

L-Glutamic Acid

56-86-0sc-394004
sc-394004A
10 g
100 g
$291.00
$566.00
(0)

Glutamate binds to its receptors, inducing calcium influx through the receptor channels and activating downstream calcium-dependent proteins such as V1RI4.

Kainic acid

487-79-6sc-200454
sc-200454A
sc-200454B
sc-200454C
sc-200454D
5 mg
25 mg
100 mg
1 g
5 g
$85.00
$370.00
$1350.00
$7650.00
$24480.00
12
(1)

Kainic Acid, as an agonist for glutamate receptors, induces calcium influx leading to the activation of calcium-dependent signaling pathways and potentially V1RI4 activation.

Sodium Fluoride

7681-49-4sc-24988A
sc-24988
sc-24988B
5 g
100 g
500 g
$39.00
$45.00
$98.00
26
(4)

Sodium Fluoride activates G-proteins which initiate a sequence of events involving secondary messengers that can lead to the activation of V1RI4.

Capsaicin

404-86-4sc-3577
sc-3577C
sc-3577D
sc-3577A
50 mg
250 mg
500 mg
1 g
$94.00
$173.00
$255.00
$423.00
26
(1)

Capsaicin binds to the TRPV1 receptor, causing calcium ions to enter the cell. The resulting increase in intracellular calcium concentration can activate calcium-dependent proteins including V1RI4.