Date published: 2026-3-18

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ULBP3 Activators

ULBP3 activators encompass a range of chemicals that influence its activity through distinct signaling pathways. Some activators directly or indirectly influence the function of ULBP3 through the protein kinase C (PKC) pathway, such as phorbol 12-myristate 13-acetate (PMA) and staurosporine. PMA promotes the phosphorylation of downstream proteins in the PKC pathway, leading to the activation of ULBP3. Staurosporine, a potent inhibitor of PKC, modulates the same pathway to ultimately activate ULBP3. Another group of activators work through the manipulation of intracellular calcium levels. Calmidazolium chloride, a calmodulin antagonist, and BAPTA-AM, a calcium chelator, can influence the function of calcium-sensitive ULBP3. KN-93, a calcium/calmodulin-dependent protein kinase II (CaMKII) inhibitor, also indirectly affects ULBP3 function via the CaMKII pathway. Forskolin, by contrast, activates the adenylyl cyclase, increasing cAMP levels and indirectly activating ULBP3 through the cAMP-dependent protein kinase A (PKA) pathway.

Additionally, various inhibitors of specific signaling pathways can upregulate ULBP3. These include LY294002 (PI3K inhibitor), U0126 and PD98059 (MEK inhibitors), Bisindolylmaleimide I (PKC inhibitor), Rapamycin (mTOR inhibitor), and SB203580 (p38 MAPK inhibitor). ULBP3 activators encompass a range of chemicals that influence its activity through distinct signaling pathways. Some activators directly or indirectly influence the function of ULBP3 through the protein kinase C (PKC) pathway, such as phorbol 12-myristate 13-acetate (PMA) and staurosporine. PMA promotes the phosphorylation of downstream proteins in the PKC pathway, leading to the activation of ULBP3. Staurosporine, a potent inhibitor of PKC, modulates the same pathway to ultimately activate ULBP3. Another group of activators work through the manipulation of intracellular calcium levels. Calmidazolium chloride, a calmodulin antagonist, and BAPTA-AM, a calcium chelator, can influence the function of calcium-sensitive ULBP3.

SEE ALSO...

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 strong activator of protein kinase C (PKC) and can lead to the activation of ULBP3 indirectly by promoting the phosphorylation of downstream proteins in the PKC pathway.

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 adenylyl cyclase, increasing the levels of cAMP, which can indirectly activate ULBP3 through cAMP-dependent protein kinase A (PKA) pathway.

Calmidazolium chloride

57265-65-3sc-201494
sc-201494A
10 mg
50 mg
$156.00
$612.00
27
(1)

Calmidazolium chloride is a calmodulin antagonist which could cause an increase in intracellular calcium levels and possibly influence the function of ULBP3 which is calcium-sensitive.

Staurosporine

62996-74-1sc-3510
sc-3510A
sc-3510B
100 µg
1 mg
5 mg
$82.00
$153.00
$396.00
113
(4)

Staurosporine is a potent inhibitor of protein kinases including PKC. It can indirectly activate ULBP3 by modulating the PKC pathway.

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, which can influence the function of ULBP3 which is calcium-sensitive.

KN-93

139298-40-1sc-202199
1 mg
$182.00
25
(1)

KN-93 is a calcium/calmodulin-dependent protein kinase II (CaMKII) inhibitor. It may affect ULBP3 function indirectly via the CaMKII pathway.

Bisindolylmaleimide I (GF 109203X)

133052-90-1sc-24003A
sc-24003
1 mg
5 mg
$105.00
$242.00
36
(1)

Bisindolylmaleimide I is a PKC inhibitor. It can indirectly activate ULBP3 by modulating the PKC pathway.