Date published: 2026-5-7

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RIG-I Inhibitors

RIG-I inhibitors represent a diverse class of chemical compounds designed to modulate the activity of RIG-I, a pivotal sensor in the innate immune response against viral infections. While direct RIG-I inhibitors are limited, various chemicals offer insights into the intricate regulatory pathways governing RIG-I expression and function. BX795, a TBK1 inhibitor, directly interferes with RIG-I-mediated signaling by disrupting the phosphorylation and activation of IRF3, a downstream target of RIG-I. Similarly, BX-795 Hydrochloride provides a specific tool for investigating the role of TBK1 in RIG-I-mediated antiviral responses. Amlexanox and PS-1145 target IKKε and IKKα, respectively, upstream regulators of RIG-I, offering indirect modulation of RIG-I expression by suppressing NF-κB activation. These compounds provide insights into the interplay between IKKε/IKKα signaling and RIG-I-mediated antiviral pathways. Cytarabine, known for its role in nucleotide metabolism and protein synthesis, indirectly influence RIG-I by modulating the NF-κB pathway. This reveals crosstalk between cellular metabolism and innate immune signaling in the context of antiviral responses.

Ruxolitinib, a JAK inhibitor, indirectly influences RIG-I by targeting the JAK-STAT pathway, impacting the downstream signaling events. UNC1999, a histone methyltransferase inhibitor, explores the role of epigenetic regulation in RIG-I expression, highlighting links between chromatin dynamics and antiviral immune responses. BAY 11-7082 and BMS-345541, inhibitors of NF-κB activation and IKK-1, respectively, provide insights into the regulatory mechanisms linking NF-κB signaling and RIG-I-mediated antiviral responses. Nafamostat Mesylate, a serine protease inhibitor, indirectly modulates RIG-I by suppressing proteolytic activities involved in viral entry and innate immune responses. This compound sheds light on the crosstalk between protease activities and RIG-I function, offering avenues for modulating antiviral immune responses. In conclusion, RIG-I inhibitors, though limited in direct options, offer a diverse set of compounds to explore the complex regulatory mechanisms governing RIG-I activity and its impact on antiviral signaling pathways.

SEE ALSO...

Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

BX 795

702675-74-9sc-281689
sc-281689A
sc-281689C
sc-281689B
sc-281689D
sc-281689E
2 mg
5 mg
10 mg
25 mg
50 mg
100 mg
$219.00
$273.00
$331.00
$495.00
$882.00
$1489.00
5
(1)

BX795 is an inhibitor of TANK-binding kinase 1 (TBK1), a key component in the RIG-I signaling pathway. By inhibiting TBK1, BX795 disrupts the phosphorylation and activation of interferon regulatory factor 3 (IRF3), a downstream target of RIG-I. This direct inhibition impacts RIG-I-mediated signaling, influencing the production of type I interferons and pro-inflammatory cytokines in response to viral infection.

Amlexanox

68302-57-8sc-217630
10 mg
$160.00
2
(1)

Amlexanox inhibits the activity of IκB kinase ε (IKKε), an upstream regulator of RIG-I. By suppressing IKKε, Amlexanox interferes with the activation of nuclear factor kappa B (NF-κB), a pathway linked to RIG-I signaling. This indirect modulation can impact RIG-I-mediated antiviral responses by influencing the expression of interferons and other immune response genes.

1-β-D-Arabinofuranosylcytosine

147-94-4sc-201628
sc-201628A
sc-201628B
sc-201628C
sc-201628D
1 g
5 g
25 g
100 g
250 g
$150.00
$263.00
$518.00
$731.00
$1461.00
1
(1)

1-β-D-Arabinofuranosylcytosine, an antimetabolite used in cancer chemotherapy, indirectly influences RIG-I through modulation of the NF-κB pathway. By inhibiting DNA synthesis, 1-β-D-Arabinofuranosylcytosine affects the activation of NF-κB, a regulator of RIG-I expression. This indirect modulation can impact RIG-I-mediated antiviral responses by influencing the expression of interferons and other immune response genes.

IKK Inhibitor X

431898-65-6sc-221742
5 mg
$352.00
3
(0)

PS-1145 is an inhibitor of IκB kinase α (IKKα), an upstream regulator of RIG-I. By suppressing IKKα, PS-1145 interferes with the activation of NF-κB, a pathway linked to RIG-I signaling. This indirect modulation can impact RIG-I-mediated antiviral responses by influencing the expression of interferons and other immune response genes. PS-1145 serves as a tool for researchers studying the intricate interplay between IKKα signaling and RIG-I-mediated antiviral pathways.

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, a Janus kinase (JAK) inhibitor, indirectly influences RIG-I signaling by targeting the JAK-STAT pathway. By inhibiting JAKs, Ruxolitinib interferes with the activation of STATs, downstream effectors in the RIG-I pathway. This indirect modulation can impact RIG-I-mediated antiviral responses by influencing the expression of interferons and other immune response genes.

BAY 11-7082

19542-67-7sc-200615B
sc-200615
sc-200615A
5 mg
10 mg
50 mg
$62.00
$85.00
$356.00
155
(1)

BAY 11-7082 is an inhibitor of NF-κB activation, indirectly influencing RIG-I. By preventing the phosphorylation and degradation of IκBα, BAY 11-7082 inhibits NF-κB activation and, subsequently, RIG-I expression. This indirect modulation can impact RIG-I-mediated antiviral responses by influencing the expression of interferons and other immune response genes.

UNC1999

1431612-23-5sc-475314
5 mg
$142.00
1
(0)

UNC1999 is a histone methyltransferase inhibitor that indirectly modulates RIG-I by influencing chromatin remodeling. By inhibiting the activity of histone methyltransferases, UNC1999 alters the epigenetic landscape, potentially affecting RIG-I expression. This indirect modulation can impact RIG-I-mediated antiviral responses by influencing the expression of interferons and other immune response genes.

BMS-345541

445430-58-0sc-221741
1 mg
$312.00
1
(1)

BMS-345541 is a selective inhibitor of IKK-1, indirectly influencing RIG-I. By inhibiting IKK-1, BMS-345541 suppresses the activation of NF-κB and, subsequently, RIG-I expression. This indirect modulation can impact RIG-I-mediated antiviral responses by influencing the expression of interferons and other immune response genes.

Nafamostat mesylate

82956-11-4sc-201307
sc-201307A
10 mg
50 mg
$82.00
$306.00
4
(1)

Nafamostat Mesylate is a serine protease inhibitor that indirectly modulates RIG-I by suppressing proteolytic activities. By inhibiting serine proteases, Nafamostat Mesylate interferes with pathways involved in viral entry and innate immune responses. This indirect modulation can impact RIG-I-mediated antiviral responses by influencing the expression of interferons and other immune response genes.