Date published: 2026-4-24

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SV2B Activators

SV2B activators constitute a class of chemicals that target and modulate the activity of the synaptic vesicle glycoprotein 2B (SV2B). SV2B is one of the proteins in the SV2 family, which plays a crucial role in the regulation of neurotransmitter release at synaptic junctions. The protein is believed to be involved in the formation or maintenance of synaptic vesicle pools and may influence the efficiency of synaptic transmission through its interactions with other synaptic proteins.

Direct activators of SV2B interact with the protein to enhance its function, potentially by stabilizing the protein structure, facilitating its interaction with other synaptic proteins, or by promoting a conformational change that increases its activity in neurotransmitter release. Such activators might bind to specific domains of SV2B, leading to an increase in the readiness of synaptic vesicles for exocytosis or by improving the coupling between electrical activity and neurotransmitter release. Indirect activators might work by influencing the expression levels of the SV2B gene, thereby increasing the amount of protein available at synaptic sites. Other indirect mechanisms could involve the modification of the SV2B protein post-translationally, such as by phosphorylation, to enhance its activity or by affecting the lipid environment of synaptic vesicles, which could alter SV2B function. Additionally, indirect activators could modulate the interaction of SV2B with other proteins critical for neurotransmitter release, thereby enhancing its role in the synaptic machinery.

Items 1 to 10 of 11 total

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Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

Veratridine

71-62-5sc-201075B
sc-201075
sc-201075C
sc-201075A
5 mg
10 mg
25 mg
50 mg
$82.00
$104.00
$201.00
$379.00
3
(1)

Veratridine is a steroidal alkaloid that acts as a Na+ channel modulator, causing a persistent sodium influx. This continuous influx can result in enhanced synaptic vesicle release, including SV2B-containing vesicles.

Nifedipine

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

Nifedipine is a calcium channel blocker. By inhibiting these channels, it increases the demand for compensatory mechanisms in neurotransmitter release, potentially causing an increased release of SV2B-containing vesicles.

Bafilomycin A1

88899-55-2sc-201550
sc-201550A
sc-201550B
sc-201550C
100 µg
1 mg
5 mg
10 mg
$98.00
$255.00
$765.00
$1457.00
280
(6)

Bafilomycin A1 is a specific inhibitor of vacuolar-type H+-ATPase. By inhibiting this pump, it disrupts the acidic environment of synaptic vesicles, potentially leading to an increased release of SV2B-containing vesicles.

Forskolin

66575-29-9sc-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
(3)

Forskolin is an activator of adenylate cyclase, which increases intracellular cAMP levels. The raised cAMP can activate Protein Kinase A, which can enhance synaptic vesicle exocytosis, including SV2B-containing vesicles.

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 enhance synaptic vesicle exocytosis, including SV2B-containing vesicles.

Tetraethylammonium chloride

56-34-8sc-202834
25 g
$45.00
2
(1)

TEA is a potassium channel blocker, resulting in prolonged action potentials. This can lead to enhanced synaptic vesicle release, including SV2B-containing vesicles.

4-Aminopyridine

504-24-5sc-202421
sc-202421B
sc-202421A
25 g
1 kg
100 g
$38.00
$1155.00
$122.00
3
(2)

4-AP is a potassium channel blocker, leading to prolonged action potentials. This can result in enhanced synaptic vesicle release, including SV2B-containing vesicles.

Reserpine

50-55-5sc-203370
sc-203370A
1 g
5 g
$137.00
$414.00
1
(2)

Reserpine depletes monoamines from synaptic vesicles, disrupting vesicle homeostasis and potentially leading to an increased release of SV2B-containing vesicles.

Ethosuximide

77-67-8sc-211431
1 g
$306.00
(0)

Ethosuximide is a T-type calcium channel blocker. By blocking these channels, it increases the demand for compensatory mechanisms in neurotransmitter release, potentially causing an increased release of SV2B-containing vesicles.

Vinpocetine

42971-09-5sc-201204
sc-201204A
sc-201204B
20 mg
100 mg
15 g
$55.00
$214.00
$2400.00
4
(1)

Vinpocetine is a PDE1 inhibitor, leading to increased cAMP/cGMP levels. The increased cAMP can activate PKA, which can enhance synaptic vesicle exocytosis, including SV2B-containing vesicles.