Date published: 2026-4-1

1-800-457-3801

SCBT Portrait Logo
Seach Input

CD161 Inhibitors

CD161, also known by its scientific designation KLRB1, is a type II membrane protein that is part of the C-type lectin-like receptor family. It is predominantly expressed on the surface of a subset of T cells known as NKT (natural killer T) cells, which play a complex role in the body's immune response. The expression of CD161 can influence the functional properties of these immune cells, affecting their proliferation, cytokine secretion profiles, and overall immune-regulatory functions. CD161 is also found on other immune cell types, including certain subsets of conventional T cells and innate lymphoid cells. As CD161 is intricately involved in the modulation of immune responses, its expression levels can be indicative of various physiological states and can also fluctuate in response to environmental stimuli, infections, and inflammatory processes. Research has identified several chemical compounds that can potentially inhibit the expression of CD161, affecting its regulatory functions on the cells that express it. Compounds like curcumin, found in turmeric, and resveratrol, present in grapes and berries, are known to modulate various molecular pathways that can influence gene expression. For instance, curcumin has the ability to suppress certain transcription factors like NF-κB, which is known to be involved in the regulation of immune response genes, including potentially CD161. Resveratrol's ability to activate sirtuin pathways, which has implications for histone deacetylation and gene silencing, may similarly lead to the decreased expression of genes like CD161. Other compounds, such as sulforaphane from cruciferous vegetables, quercetin found in many fruits and vegetables, and epigallocatechin gallate from green tea, also play roles in the downregulation of pro-inflammatory pathways that can indirectly lead to the reduction in CD161 expression. These interactions and the resulting modulation of CD161 expression highlight the intricate connections between dietary components, cellular molecular pathways, and the immune system's regulatory mechanisms.

Items 1 to 10 of 11 total

Display:

Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

Curcumin

458-37-7sc-200509
sc-200509A
sc-200509B
sc-200509C
sc-200509D
sc-200509F
sc-200509E
1 g
5 g
25 g
100 g
250 g
1 kg
2.5 kg
$37.00
$69.00
$109.00
$218.00
$239.00
$879.00
$1968.00
47
(1)

Curcumin has been shown to suppress the transcription factor NF-κB, which is involved in the expression of various immune response genes. By inhibiting NF-κB, curcumin could specifically reduce the transcription of the CD161 gene, leading to lower protein expression on immune cells.

Resveratrol

501-36-0sc-200808
sc-200808A
sc-200808B
100 mg
500 mg
5 g
$80.00
$220.00
$460.00
64
(2)

Resveratrol can activate sirtuin pathways, which are known to contribute to the silencing of gene expression through histone deacetylation. This activity could potentially lead to the decreased expression of CD161 by promoting a closed chromatin conformation at the gene locus.

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 is known to reduce the production of pro-inflammatory cytokines that may be involved in the upregulation of CD161 expression. By lowering these inflammatory signals, quercetin could contribute to the decreased presence of CD161 on immune cells.

(−)-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)

Epigallocatechin gallate, a polyphenol found in green tea, has been shown to inhibit key enzymes in inflammatory pathways. This inhibition could extend to a reduction in CD161 expression if these pathways are involved in its transcriptional regulation.

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)

Genistein, by binding to estrogen receptors, may exert a repressive effect on certain gene transcriptions, including potentially the CD161 gene. This interaction could lead to a decrease in CD161 mRNA and protein levels.

Sodium Butyrate

156-54-7sc-202341
sc-202341B
sc-202341A
sc-202341C
250 mg
5 g
25 g
500 g
$31.00
$47.00
$84.00
$222.00
19
(3)

Sodium butyrate, as a histone deacetylase inhibitor, can lead to increased acetylation of histones, typically associated with upregulation of gene expression. However, through complex interactions in gene regulatory networks, this could result in the decreased expression of certain genes, such as CD161.

Retinoic Acid, all trans

302-79-4sc-200898
sc-200898A
sc-200898B
sc-200898C
500 mg
5 g
10 g
100 g
$66.00
$325.00
$587.00
$1018.00
28
(1)

Retinoic acid can bind to its receptors and repress the transcription of genes that are not aligned with its differentiation and growth inhibitory effects. This mechanism could hypothetically extend to repressing CD161 expression.

5-Azacytidine

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

5-Azacytidine can induce DNA demethylation, which often leads to gene activation. However, through indirect effects and changes in the regulatory landscape of the genome, it could contribute to the silencing of genes such as CD161.

Methotrexate

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

Methotrexate impairs folate metabolism, which is crucial for DNA synthesis and cell replication. Reduced proliferation of CD161-expressing cells could lead to an overall decrease in CD161 expression.

hydroxychloroquine

118-42-3sc-507426
5 g
$57.00
1
(0)

Hydroxychloroquine may reduce the overactivation of immune cells, including those expressing CD161. By dampening the immune response, CD161 expression could be consequently decreased, given its role in immune cell function.