Date published: 2026-4-1

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Ly-49D Inhibitors

Chemical inhibitors of Ly-49D can impede the protein's signaling pathways, which are crucial for its role in natural killer (NK) cell activation. Src family kinase inhibitor PP2 directly targets the Src family kinases that are upstream in the Ly-49D activation pathway, thereby inhibiting the initial signaling events. In a similar fashion, Dasatinib, a broad-spectrum tyrosine kinase inhibitor, obstructs multiple kinases, including those involved in Ly-49D signal transduction, preventing subsequent activation of NK cells. The PI3K inhibitors, Ly294002 and Wortmannin, block the PI3K-dependent steps in Ly-49D's pathway, thus stopping the downstream signaling required for NK cell functions. MEK inhibitors PD 98059 and U0126 specifically inhibit the MAPK/ERK pathway, a downstream conduit of Ly-49D signaling, which is essential for the propagation of signals that result in NK cell activation. Further along the Ly-49D signaling cascade, SP600125 and AG490 exert their inhibitory effects on different kinases. SP600125 is an inhibitor of c-Jun N-terminal kinase (JNK), which prevents the activation of downstream JNK signaling pathways, while AG490 targets JAK2 kinase, thereby obstructing the JAK/STAT pathway, both essential for the full activation signal mediated by Ly-49D. Gö6976, a protein kinase C (PKC) inhibitor, impedes PKC-dependent pathways, which are also involved in the activation of NK cells via Ly-49D. Additionally, BAY 11-7082 disrupts the activation of NF-κB, which is a component of the Ly-49D signaling pathway. Lastly, the flavone Apigenin inhibits protein tyrosine kinases that are necessary for the phosphorylation of proteins in the Ly-49D pathway, thereby inhibiting the phosphorylation cascade necessary for NK cell activation by Ly-49D. All these inhibitors, by targeting specific molecules in the signaling pathway, can effectively suppress the functional activity of Ly-49D in NK cells.

Items 1 to 10 of 12 total

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Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

PP 2

172889-27-9sc-202769
sc-202769A
1 mg
5 mg
$94.00
$227.00
30
(1)

PP2 is an Src family kinase inhibitor which can functionally inhibit Ly-49D by blocking the Src family kinases that are upstream of the activation pathway, leading to the inhibition of Ly-49D signaling involved in natural killer (NK) cell activation.

Dasatinib

302962-49-8sc-358114
sc-358114A
25 mg
1 g
$70.00
$145.00
51
(1)

Dasatinib is a broad-spectrum tyrosine kinase inhibitor which inhibits multiple kinases including those involved in the signal transduction pathway of Ly-49D, thus functionally inhibiting the activation signal mediated by Ly-49D on NK cells.

LY 294002

154447-36-6sc-201426
sc-201426A
5 mg
25 mg
$123.00
$400.00
148
(1)

Ly294002 is a phosphoinositide 3-kinase (PI3K) inhibitor which can inhibit downstream signaling pathways of Ly-49D by preventing PI3K-dependent activation steps, thereby functionally inhibiting Ly-49D signal transduction in NK cells.

PD 98059

167869-21-8sc-3532
sc-3532A
1 mg
5 mg
$40.00
$92.00
212
(2)

PD 98059 is a MEK inhibitor which can functionally inhibit the Ly-49D protein by blocking the MAPK/ERK pathway, a downstream pathway of Ly-49D signaling, leading to inhibition of NK cell functions mediated by Ly-49D.

U-0126

109511-58-2sc-222395
sc-222395A
1 mg
5 mg
$64.00
$246.00
136
(2)

U0126 is a selective inhibitor of both MEK1 and MEK2 which can functionally inhibit Ly-49D signaling by impeding the MAPK/ERK pathway, subsequently inhibiting Ly-49D-mediated NK cell activation.

SP600125

129-56-6sc-200635
sc-200635A
10 mg
50 mg
$40.00
$150.00
257
(3)

SP600125 is an inhibitor of c-Jun N-terminal kinase (JNK), which can functionally inhibit Ly-49D by blocking downstream JNK signaling pathways, leading to inhibition of NK cell functions that are mediated by Ly-49D activation.

SB 203580

152121-47-6sc-3533
sc-3533A
1 mg
5 mg
$90.00
$349.00
284
(5)

SB203580 is a p38 MAP kinase inhibitor which can functionally inhibit Ly-49D by blocking p38 MAPK signaling pathways that are involved in Ly-49D-mediated NK cell activation and function.

Wortmannin

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

Wortmannin is a PI3K inhibitor that can functionally inhibit Ly-49D by preventing PI3K-dependent phosphorylation events, which are essential for signal transduction processes involving Ly-49D in NK cells.

AG-490

133550-30-8sc-202046C
sc-202046A
sc-202046B
sc-202046
5 mg
50 mg
25 mg
10 mg
$84.00
$329.00
$223.00
$87.00
35
(1)

AG490 is a JAK2 inhibitor which can functionally inhibit Ly-49D by impeding the JAK/STAT signaling pathway, thereby inhibiting the signal transduction that is mediated by Ly-49D on NK cells.

Gö 6976

136194-77-9sc-221684
500 µg
$227.00
8
(1)

Gö6976 is a protein kinase C (PKC) inhibitor which can functionally inhibit Ly-49D signaling by blocking PKC-dependent pathways that are involved in the activation of NK cells by Ly-49D.