Date published: 2026-5-3

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B7-H4 Inhibitors

B7-H4 inhibitors encompass a diverse set of chemical compounds with the potential to modulate the expression and function of B7-H4, a checkpoint molecule involved in immune regulation. These inhibitors can be categorized into direct and indirect inhibitors based on their mode of action. Direct inhibitors like Thalidomide, BRD4770, and SD-208 target specific aspects of B7-H4 regulation. Thalidomide exhibits immunomodulatory effects, impacting pathways related to B7-H4 expression. BRD4770, by inhibiting BRD4, modulates gene expression patterns that may influence B7-H4. SD-208, a TGF-β receptor I inhibitor, indirectly affects B7-H4 by blocking the TGF-β signaling pathway. Indirect inhibitors, such as Methotrexate, DMXAA, and 5-Azacytidine, exert their influence through broader mechanisms. Methotrexate's anti-inflammatory and immunomodulatory effects may impact pathways associated with B7-H4. DMXAA, with anti-tumor properties, targets angiogenesis and inflammation pathways that may indirectly affect B7-H4. 5-Azacytidine, a DNA methyltransferase inhibitor, modulates epigenetic regulation, potentially influencing B7-H4 expression.

Leflunomide, Valproic Acid, and 2-Deoxyglucose (2-DG) represent additional indirect inhibitors with diverse mechanisms. Leflunomide, an immunomodulatory drug, may impact B7-H4 through its effects on immune cell proliferation. Valproic Acid, an HDAC inhibitor, modulates chromatin structure and gene expression, potentially influencing B7-H4. 2-DG, a glycolytic inhibitor, disrupts cellular metabolism, affecting pathways associated with immune regulation and B7-H4. Pyrimethamine and Epacadostat, with antimalarial and IDO1 inhibitory properties, respectively, provide further options for B7-H4 modulation. Pyrimethamine's immunomodulatory effects may impact B7-H4 expression, while Epacadostat, targeting the IDO1 pathway, influences immune regulation and B7-H4. Sunitinib, a receptor tyrosine kinase inhibitor, indirectly influences B7-H4 through its effects on angiogenesis and immune regulation.

SEE ALSO...

Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

Thalidomide

50-35-1sc-201445
sc-201445A
100 mg
500 mg
$111.00
$357.00
8
(0)

Thalidomide is an immunomodulatory drug that indirectly influences B7-H4. It exhibits anti-inflammatory properties and inhibits angiogenesis, potentially impacting pathways related to B7-H4 expression. While the exact mechanism is not fully elucidated, Thalidomide's immunomodulatory effects may contribute to the modulation of B7-H4 in the context of immune responses and inflammation.

TGF-β RI Kinase Inhibitor V

627536-09-8sc-203294
2 mg
$88.00
3
(1)

SD-208 is a selective transforming growth factor-beta (TGF-β) receptor I (ALK5) inhibitor. By blocking the TGF-β signaling pathway, SD-208 indirectly impacts B7-H4 expression.

Methotrexate

59-05-2sc-3507
sc-3507A
100 mg
500 mg
$94.00
$213.00
33
(5)

Methotrexate is an antimetabolite and immunosuppressive drug that indirectly influences B7-H4. Its anti-inflammatory and immunomodulatory effects may impact pathways associated with B7-H4 expression.

DMXAA

117570-53-3sc-207592
sc-207592A
5 mg
25 mg
$129.00
$590.00
1
(1)

DMXAA (Vadimezan) is a compound with anti-tumor and anti-angiogenic properties. It indirectly influences B7-H4 by targeting pathways related to angiogenesis and inflammation. DMXAA's effects on the tumor microenvironment may lead to alterations in the expression of immune checkpoints, including B7-H4.

5-Azacytidine

320-67-2sc-221003
500 mg
$280.00
4
(1)

5-Azacytidine is a DNA methyltransferase inhibitor that indirectly influences B7-H4 by targeting epigenetic regulation. As a demethylating agent, 5-Azacytidine can alter gene expression patterns, potentially affecting pathways associated with B7-H4.

Leflunomide

75706-12-6sc-202209
sc-202209A
10 mg
50 mg
$20.00
$83.00
5
(1)

Leflunomide is an immunomodulatory drug that indirectly influences B7-H4. It inhibits dihydroorotate dehydrogenase (DHODH), impacting de novo pyrimidine synthesis and immune cell proliferation. Leflunomide's immunomodulatory effects may extend to pathways associated with B7-H4 expression, providing an indirect means to modulate B7-H4 levels in the context of immune responses and autoimmune diseases.

Valproic Acid

99-66-1sc-213144
10 g
$87.00
9
(1)

Valproic Acid is a histone deacetylase (HDAC) inhibitor that indirectly influences B7-H4 by targeting epigenetic regulation. By inhibiting HDAC enzymes, Valproic Acid modulates chromatin structure and gene expression patterns, potentially impacting pathways associated with B7-H4.

2-Deoxy-D-glucose

154-17-6sc-202010
sc-202010A
1 g
5 g
$70.00
$215.00
26
(2)

2-Deoxy-D-glucose (2-DG) is a glycolytic inhibitor that indirectly influences B7-H4. By disrupting cellular metabolism, 2-DG impacts pathways associated with immune regulation and may affect B7-H4 expression. The precise mechanism by which 2-DG modulates B7-H4 levels requires further investigation, but its influence on cellular metabolism suggests a potential role in controlling B7-H4 expression in the context of immune responses and cancer.

Pyrimethamine

58-14-0sc-208190
sc-208190A
sc-208190B
1 g
5 g
25 g
$80.00
$238.00
$825.00
5
(0)

Pyrimethamine is an antimalarial drug that indirectly influences B7-H4. Its immunomodulatory effects, possibly related to its impact on folate metabolism, may influence pathways associated with B7-H4 expression.

Sunitinib Malate

341031-54-7sc-220177
sc-220177A
sc-220177B
10 mg
100 mg
3 g
$197.00
$520.00
$1093.00
4
(1)

Sunitinib is a receptor tyrosine kinase inhibitor with anti-tumor properties. It indirectly influences B7-H4 by targeting pathways related to angiogenesis and immune regulation. Sunitinib's effects on the tumor microenvironment may lead to alterations in the expression of immune checkpoints, including B7-H4.