Date published: 2026-5-16

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Nef Activators

**Nef activators** are a class of compounds that enhance the expression or activity of the Nef protein. Nef is a crucial accessory protein of HIV-1, the virus that causes AIDS. Nef plays a multifaceted role in the viral life cycle, including enhancing viral infectivity, modulating host immune responses, and promoting viral persistence.

Nef activators exert their effect by modulating different aspects of Nef biology. Some Nef activators, such as tumor necrosis factor alpha (TNF-α), interleukin-1 beta (IL-1β), and interferon gamma (IFN-γ), are pro-inflammatory cytokines that activate specific signaling pathways leading to increased Nef expression. Other Nef activators, such as lipopolysaccharide (LPS), phorbol 12-myristate 13-acetate (PMA), ionomycin, and thapsigargin, activate different signaling pathways that converge on the activation of the calcineurin signaling pathway, which leads to increased Nef expression. By modulating Nef expression or activity, Nef activators can influence various aspects of the HIV-1 life cycle and pathogenesis. These compounds have been instrumental in dissecting the molecular mechanisms underlying Nef function and its involvement in HIV-1 replication, immune evasion, and disease progression.

SEE ALSO...

Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

Lipopolysaccharide, E. coli O55:B5

93572-42-0sc-221855
sc-221855A
sc-221855B
sc-221855C
10 mg
25 mg
100 mg
500 mg
$98.00
$171.00
$425.00
$1560.00
12
(2)

A component of the outer membrane of Gram-negative bacteria that activates the TLR4 signaling pathway, leading to increased Nef expression.

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)

A protein kinase C activator that activates the NF-κB signaling pathway, leading to increased Nef expression.

Ionomycin

56092-82-1sc-3592
sc-3592A
1 mg
5 mg
$78.00
$270.00
80
(4)

A calcium ionophore that increases intracellular calcium levels, leading to the activation of the calcineurin signaling pathway and increased Nef expression.

Thapsigargin

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

A sarcoplasmic reticulum Ca2+-ATPase inhibitor that increases intracellular calcium levels, leading to the activation of the calcineurin signaling pathway and increased Nef expression.

Cyclosporin A

59865-13-3sc-3503
sc-3503-CW
sc-3503A
sc-3503B
sc-3503C
sc-3503D
100 mg
100 mg
500 mg
10 g
25 g
100 g
$63.00
$92.00
$250.00
$485.00
$1035.00
$2141.00
69
(5)

A calcineurin inhibitor that blocks the activation of the calcineurin signaling pathway and reduces Nef expression.

Rapamycin

53123-88-9sc-3504
sc-3504A
sc-3504B
1 mg
5 mg
25 mg
$63.00
$158.00
$326.00
233
(4)

An mTOR inhibitor that blocks the activation of the mTOR signaling pathway and reduces Nef expression.

Torin 1

1222998-36-8sc-396760
10 mg
$245.00
7
(1)

An mTOR inhibitor that blocks the activation of the mTOR signaling pathway and reduces Nef expression.