Date published: 2026-5-15

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karyopherin α5 Activators

Karyopherin α5 activators are a class of molecules that play a crucial role in the regulation of nuclear transport within eukaryotic cells. To understand the significance of these activators, it's essential to delve into the intricacies of cellular processes. Within the nucleus of a eukaryotic cell, DNA holds the genetic information necessary for cellular functions. To access and utilize this information, various proteins and molecules need to be transported into and out of the nucleus through the nuclear pore complex, a highly selective gateway. Karyopherin α5 activators specifically target a protein called karyopherin α5, which is a member of the karyopherin family responsible for facilitating this nucleocytoplasmic transport.

Karyopherin α5 activators, as the name implies, enhance the activity of karyopherin α5. Karyopherin α5 itself acts as an adaptor protein that interacts with nuclear localization signals (NLS) on cargo proteins and assists in their translocation into the nucleus. By modulating the function of karyopherin α5, these activators can influence the efficiency and selectivity of nuclear transport processes. This regulation is critical for maintaining proper cellular function, as it ensures that only specific molecules, such as transcription factors and regulatory proteins, gain access to the nucleus while preventing the uncontrolled influx of potentially harmful or unnecessary substances. In essence, karyopherin α5 activators contribute to the fine-tuned orchestration of molecular traffic between the nucleus and cytoplasm, thereby playing a pivotal role in the regulation of gene expression and cellular homeostasis.

SEE ALSO...

Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

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 activates adenylate cyclase, elevating cAMP levels. This change in cAMP levels can indirectly activate karyopherin α5 by affecting signaling pathways linked to nuclear transport.

Calyculin A

101932-71-2sc-24000
sc-24000A
10 µg
100 µg
$163.00
$800.00
59
(3)

As a protein phosphatase inhibitor, Calyculin A can indirectly activate karyopherin α5 by modulating phosphorylation events of nuclear transport proteins or their cargos.

Ionomycin, free acid

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

By increasing intracellular calcium, Ionomycin can indirectly activate karyopherin α5, as calcium signaling has implications for various cellular processes including nuclear transport.

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 activates protein kinase C (PKC). This activation can indirectly stimulate karyopherin α5 due to PKC's role in signaling pathways that may intersect with nuclear transport.

Okadaic Acid

78111-17-8sc-3513
sc-3513A
sc-3513B
25 µg
100 µg
1 mg
$291.00
$530.00
$1800.00
78
(4)

Similar to Calyculin A, Okadaic acid, as a protein phosphatase inhibitor, can indirectly influence the activation of karyopherin α5 by impacting phosphorylation events related to nuclear transport.

Rapamycin

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

Rapamycin's inhibition of the mTOR pathway can lead to an indirect activation of karyopherin α5 by modifying nuclear transport dynamics, as mTOR is involved in cell growth and proliferation.

Wortmannin

19545-26-7sc-3505
sc-3505A
sc-3505B
1 mg
5 mg
20 mg
$67.00
$223.00
$425.00
97
(3)

Wortmannin inhibits PI3 kinase. This inhibition can indirectly stimulate karyopherin α5, as the PI3K-Akt pathway is deeply interconnected with processes like nuclear transport.

MG-132 [Z-Leu- Leu-Leu-CHO]

133407-82-6sc-201270
sc-201270A
sc-201270B
5 mg
25 mg
100 mg
$60.00
$265.00
$1000.00
163
(3)

As a proteasome inhibitor, MG132 can indirectly activate karyopherin α5 by affecting protein turnover, which might alter the availability or activity of nuclear transport proteins or their cargos.

Nocodazole

31430-18-9sc-3518B
sc-3518
sc-3518C
sc-3518A
5 mg
10 mg
25 mg
50 mg
$59.00
$85.00
$143.00
$247.00
38
(2)

Nocodazole disrupts microtubules. This disruption can indirectly influence the activation of karyopherin α5, as the cytoskeleton plays a role in processes like nuclear transport.

Cytochalasin D

22144-77-0sc-201442
sc-201442A
1 mg
5 mg
$165.00
$486.00
64
(4)

By disrupting actin filaments, Cytochalasin D can indirectly modulate the activation of karyopherin α5, given the role of the cytoskeleton in nuclear transport.