Date published: 2026-6-3

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RT1-A Activators

RT1-A Activators primarily function by activating or regulating immune response pathways that lead to the upregulation of MHC class I molecules like RT1-A. These compounds generally work by triggering pattern recognition receptors (PRRs) like Toll-like receptors (TLRs), leading to the activation of transcription factors such as NF-κB and IRF1, which in turn enhance the expression of MHC class I molecules.

The specific mode of action varies for each compound. For instance, Poly I:C and LPS act as agonists for TLR3 and TLR4 respectively, stimulating pathways that lead to NF-κB activation and subsequently enhanced MHC class I expression. Other compounds like Imiquimod and Resiquimod target TLR7. Regardless of their specific targets, the overall effect of these compounds is to enhance RT1-A expression and function.

Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

Polyinosinic acid - polycytidylic acid sodium salt, double-stranded

42424-50-0sc-204854
sc-204854A
10 mg
100 mg
$139.00
$663.00
2
(1)

Poly I:C is a synthetic analog of double-stranded RNA that can trigger the TLR3 and MDA5 pathways, enhancing MHC class I expression.

Lipopolysaccharide, E. coli O55:B5

93572-42-0sc-221855
sc-221855A
sc-221855B
sc-221855C
10 mg
25 mg
100 mg
500 mg
$98.00
$171.00
$425.00
$1560.00
12
(2)

LPS is a component of gram-negative bacteria that can stimulate the TLR4 pathway, leading to enhanced MHC class I expression.

Imiquimod

99011-02-6sc-200385
sc-200385A
100 mg
500 mg
$67.00
$284.00
6
(1)

Imiquimod is a TLR7 agonist that can enhance MHC class I expression by activating the NF-κB pathway.

R-848

144875-48-9sc-203231
sc-203231A
sc-203231B
sc-203231C
5 mg
25 mg
100 mg
500 mg
$102.00
$306.00
$510.00
$1559.00
12
(1)

Resiquimod is a TLR7 and TLR8 agonist that can enhance MHC class I expression.

Pam3Cys-Ser-(Lys)4, Hydrochloride

112208-00-1sc-507471
2 mg
$550.00
(0)

Pam3CSK4 is a synthetic triacylated lipopeptide that can trigger the TLR1/2 pathway and enhance MHC class I expression.

Zymosan A from Saccharomyces cerevisiae

58856-93-2sc-258367
sc-258367A
250 mg
1 g
$90.00
$222.00
2
(1)

Zymosan is a TLR2 agonist that can enhance MHC class I expression via NF-κB activation.