Date published: 2026-4-24

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Pdcd-1 Activators

The class of Pdcd-1 activators comprises a diverse array of chemicals that intricately modulate Pdcd-1 activity, primarily through the inhibition of its interaction with PD-L1 or PD-L2. Monoclonal antibodies such as Nivolumab, Pembrolizumab, Atezolizumab, Durvalumab, and Tremelimumab directly activate Pdcd-1 by blocking these interactions, leading to the relief of T cell suppression and enhanced antitumor immune responses.

Beyond monoclonal antibodies, various small molecules indirectly activate Pdcd-1 by influencing key signaling pathways. Cobimetinib, a MEK inhibitor, modulates the MAPK pathway, while Entinostat, a class I HDAC inhibitor, impacts Pdcd-1 expression through epigenetic regulation. Tyrosine kinase inhibitors like Dasatinib, Entrectinib, and Sunitinib influence Pdcd-1 through Src family kinases, TRKA signaling, and receptor tyrosine kinases, respectively. JAK/STAT pathway modulation by Ruxolitinib and Tofacitinib also indirectly activates Pdcd-1. These activators collectively highlight the intricate interplay between immune checkpoint regulation and various signaling cascades. The direct and indirect activation of Pdcd-1 underscores its pivotal role in mediating immune responses, particularly in the context of cancer immunotherapy. Targeting Pdcd-1 provides a sophisticated toolkit to enhance the antitumor immune response by disrupting inhibitory signals imposed by the PD-1/PD-L1 and PD-1/PD-L2 axes.

Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

Cobimetinib

934660-93-2sc-507421
5 mg
$270.00
(0)

Cobimetinib is a MEK inhibitor that indirectly activates Pdcd-1 by modulating the MAPK pathway. MEK inhibition leads to reduced ERK activity, influencing Pdcd-1 expression. The indirect activation of Pdcd-1 by Cobimetinib underscores the intricate cross-talk between MAPK signaling and Pdcd-1-associated immune responses, providing a targeted approach to influence Pdcd-1 expression within the context of MAPK pathway modulation.

MS-275

209783-80-2sc-279455
sc-279455A
sc-279455B
1 mg
5 mg
25 mg
$24.00
$90.00
$212.00
24
(2)

MS-275 (Entinostat) is a class I HDAC inhibitor that indirectly activates Pdcd-1 by modulating epigenetic regulation. HDAC inhibition influences Pdcd-1 expression through alterations in chromatin accessibility. The indirect activation of Pdcd-1 by Entinostat highlights the role of epigenetic regulation in shaping immune responses, providing a nuanced approach to modulate Pdcd-1 expression and potentially enhance antitumor immune reactions.

Dasatinib

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

Dasatinib is a tyrosine kinase inhibitor that indirectly activates Pdcd-1 by modulating Src family kinases. Inhibition of Src kinases leads to downstream effects on Pdcd-1 expression. The indirect activation of Pdcd-1 by Dasatinib emphasizes the intricate interplay between tyrosine kinase signaling and immune checkpoint regulation, offering a targeted approach to modulate Pdcd-1 expression within the context of Src kinase inhibition.

Entrectinib

1108743-60-7sc-507438
5 mg
$180.00
(0)

Entrectinib is a tyrosine kinase inhibitor that indirectly activates Pdcd-1 by influencing TRKA signaling. Modulation of TRKA signaling affects downstream pathways, including Pdcd-1 expression. The indirect activation of Pdcd-1 by Entrectinib highlights the cross-talk between tyrosine kinase signaling and immune checkpoint regulation, offering a targeted approach to influence Pdcd-1 expression within the context of TRKA pathway modulation.

Ruxolitinib

941678-49-5sc-364729
sc-364729A
sc-364729A-CW
5 mg
25 mg
25 mg
$251.00
$500.00
$547.00
16
(1)

Ruxolitinib is a JAK1/JAK2 inhibitor that indirectly activates Pdcd-1 by modulating JAK/STAT signaling. Inhibition of JAK/STAT signaling influences downstream pathways, including Pdcd-1 expression. The indirect activation of Pdcd-1 by Ruxolitinib emphasizes the intricate interplay between JAK/STAT signaling and immune checkpoint regulation, offering a targeted approach to modulate Pdcd-1 expression within the context of JAK/STAT pathway modulation.

Sunitinib, Free Base

557795-19-4sc-396319
sc-396319A
500 mg
5 g
$153.00
$938.00
5
(0)

Sunitinib is a receptor tyrosine kinase inhibitor that indirectly activates Pdcd-1 by modulating various signaling pathways. Inhibition of receptor tyrosine kinases influences downstream pathways, including Pdcd-1 expression. The indirect activation of Pdcd-1 by Sunitinib highlights the cross-talk between receptor tyrosine kinase signaling and immune checkpoint regulation.