Date published: 2026-2-14

1-800-457-3801

SCBT Portrait Logo
Seach Input

CTLA-4 Inhibitors

CTLA-4 inhibitors comprise a distinctive chemical class celebrated for their pivotal role in orchestrating immune responses within the intricate milieu of the human body. Central to their mechanism is the selective targeting of the cytotoxic T-lymphocyte-associated antigen 4 (CTLA-4) protein, an imperative regulator prominently stationed on the surface of T cells – a subclass of white blood cells crucial to adaptive immunity. Renowned for its adeptness in tempering immune reactions, CTLA-4 exerts its influence by curbing the activation of T cells. The emergence of CTLA-4 inhibitors introduces a paradigm shift by harnessing this inherent biological interplay. These inhibitors are artfully fashioned to engage with the CTLA-4 receptor, thereby instigating an interruption of its inhibitory signaling cascade. This disruption, in turn, has the ability to tip the scales in favor of heightened immune activation, possibly engendering a more robust and targeted immune response.

Within the landscape of immunology, the class of CTLA-4 inhibitors beckons with its nuanced intrigue and far-reaching implications. As these inhibitors interface with a pivotal checkpoint in the immunoregulatory network, their distinctive chemical makeup assumes significance as a subject of fervent scientific exploration. Notably, CTLA-4 inhibitors' intricate mode of action has sparked scientific fervor for its role in modulating diverse biological processes beyond the scope of direct immune response modulation. The controlled perturbation of immune checkpoints, facilitated by these inhibitors, introduces a captivating avenue for understanding immune homeostasis and its dysregulation in various disease contexts.

SEE ALSO...

Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

Quercetin

117-39-5sc-206089
sc-206089A
sc-206089E
sc-206089C
sc-206089D
sc-206089B
100 mg
500 mg
100 g
250 g
1 kg
25 g
$11.00
$17.00
$110.00
$250.00
$936.00
$50.00
33
(2)

Quercetin, a flavonoid, is known for its anti-inflammatory properties and may indirectly influence CTLA-4 through its regulatory effects on cytokine profiles, possibly reducing the immunosuppressive action of CTLA-4 on T cells.

Silymarin group, mixture of isomers

65666-07-1sc-301806
50 g
$325.00
(0)

Silymarin affects cytokine expression and immune responses, potentially reducing CTLA-4-mediated signaling by altering the balance of T cell activation and inhibition through immune regulatory mechanisms.

Piperine

94-62-2sc-205809
sc-205809A
5 g
25 g
$37.00
$146.00
3
(0)

Piperine modulates several signaling pathways including those involved in T cell activation. It could indirectly decrease the functional activity of CTLA-4 by enhancing the proliferative response of T cells and reducing immune suppression.

(−)-Epigallocatechin Gallate

989-51-5sc-200802
sc-200802A
sc-200802B
sc-200802C
sc-200802D
sc-200802E
10 mg
50 mg
100 mg
500 mg
1 g
10 g
$43.00
$73.00
$126.00
$243.00
$530.00
$1259.00
11
(1)

A major component of green tea, known to affect T cell activity and cytokine production. Its influence on these pathways may indirectly reduce CTLA-4 expression or modulate its activity, impacting T cell responses and immune checkpoint regulation.

Kaempferol

520-18-3sc-202679
sc-202679A
sc-202679B
25 mg
100 mg
1 g
$99.00
$216.00
$510.00
11
(1)

Kaempferol influences immune regulation through its effects on cytokine signaling, potentially altering CTLA-4 mediated T cell inhibition indirectly by modulating the immune environment and T cell activation.

Genistein

446-72-0sc-3515
sc-3515A
sc-3515B
sc-3515C
sc-3515D
sc-3515E
sc-3515F
100 mg
500 mg
1 g
5 g
10 g
25 g
100 g
$45.00
$164.00
$200.00
$402.00
$575.00
$981.00
$2031.00
46
(1)

As an isoflavone with immunomodulatory properties, Genistein can affect T cell function and cytokine production, possibly leading to an indirect reduction in CTLA-4 activity by changing the immune checkpoint dynamics.

Capsaicin

404-86-4sc-3577
sc-3577C
sc-3577D
sc-3577A
50 mg
250 mg
500 mg
1 g
$96.00
$160.00
$240.00
$405.00
26
(1)

Capsaicin impacts immune cell function and cytokine release, which might translate to an indirect effect on CTLA-4 expression and function by altering T cell activation states and immune checkpoint interactions.

Luteolin

491-70-3sc-203119
sc-203119A
sc-203119B
sc-203119C
sc-203119D
5 mg
50 mg
500 mg
5 g
500 g
$27.00
$51.00
$101.00
$153.00
$1925.00
40
(1)

Luteolin affects multiple signaling pathways related to inflammation and immune response, potentially decreasing CTLA-4 mediated inhibition by modulating T cell activation and cytokine profiles.

Apigenin

520-36-5sc-3529
sc-3529A
sc-3529B
sc-3529C
sc-3529D
sc-3529E
sc-3529F
5 mg
100 mg
1 g
5 g
25 g
100 g
1 kg
$33.00
$214.00
$734.00
$1151.00
$2348.00
$3127.00
$5208.00
22
(1)

Apigenin has demonstrated effects on immune cell regulation and cytokine production, potentially impacting CTLA-4 functionality indirectly by altering the immunological environment and checkpoint interactions.