Date published: 2026-2-14

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KLRF2 Activators

KLRF2 Activators are a diverse group of chemical compounds that indirectly enhance the functional activity of KLRF2, a key protein in natural killer (NK) cell-mediated immune responses. These activators work through various signaling pathways and cellular processes to strengthen KLRF2's role in the immune system. For instance, Epigallocatechin gallate and Andrographolide, by inhibiting NF-kB, promote the upregulation of NKG2D ligands, which are crucial for KLRF2-mediated NK cell activation. Similarly, Curcumin, through modulation of the JAK/STAT pathway, and Ursolic acid, by influencing the MAPK pathway, enhance the cytotoxic response of NK cells, indirectly boosting KLRF2 activity. Resveratrol's activation of SIRT1 and Sulforaphane's activation of Nrf2 also contribute to this enhancement by improving NK cell functionality and resilience to oxidative stress, respectively.

The impact of these activators on KLRF2 is further exemplified by compounds like Quercetin, Genistein, and Piperine, which modulate key signaling pathways within NK cells. Quercetin inhibits PI3K, while Genistein, as a tyrosine kinase inhibitor, affects several signaling routes, both leading to an enhanced immune response mediated by KLRF2. Piperine's effect on the NF-kB pathway aligns with this mechanism, further amplifying KLRF2's role in immune surveillance. Additionally, Indole-3-carbinol and Berberine influence immune responses through estrogen metabolism and metabolic pathways, respectively, adding layers of regulatory control that benefit KLRF2's function in NK cells. Capsaicin's unique role in activating TRPV1 channels also supports this enhancement, demonstrating the diverse biochemical pathways through which KLRF2 activators operate to strengthen NK cell-mediated immune surveillance.

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Items 1 to 10 of 12 total

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Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

(−)-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 inhibits NF-kB, a transcription factor involved in inflammatory responses. Inhibition of NF-kB can lead to the upregulation of NKG2D ligands, including those that interact with KLRF2, thereby enhancing KLRF2-mediated natural killer cell activation.

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 modulates the JAK/STAT pathway, which is crucial for NK cell function. By influencing this pathway, curcumin can enhance the functional activity of KLRF2 in natural killer cells, improving their cytotoxic response.

Resveratrol

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

Resveratrol activates SIRT1, a protein that modulates immune function. Activation of SIRT1 can enhance NK cell activity, indirectly promoting KLRF2 function in the immune response.

D,L-Sulforaphane

4478-93-7sc-207495A
sc-207495B
sc-207495C
sc-207495
sc-207495E
sc-207495D
5 mg
10 mg
25 mg
1 g
10 g
250 mg
$153.00
$292.00
$489.00
$1325.00
$8465.00
$933.00
22
(1)

Sulforaphane activates Nrf2, a key regulator of antioxidant response. This activation can indirectly enhance KLRF2-mediated NK cell activity by improving cellular resilience to oxidative stress.

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 inhibits PI3K, a pathway involved in NK cell activation. By modulating PI3K, quercetin can indirectly enhance KLRF2 activity in natural killer cells, bolstering their immune response.

Indole-3-carbinol

700-06-1sc-202662
sc-202662A
sc-202662B
sc-202662C
sc-202662D
1 g
5 g
100 g
250 g
1 kg
$39.00
$61.00
$146.00
$312.00
$1032.00
5
(1)

Indole-3-carbinol modulates estrogen metabolism, which can influence immune responses. This modulation may indirectly enhance KLRF2 activity in NK cells, augmenting their cytotoxic capability.

Andrographolide

5508-58-7sc-205594
sc-205594A
50 mg
100 mg
$15.00
$40.00
7
(1)

Andrographolide modulates NF-kB activity, influencing immune responses. By affecting this pathway, andrographolide can indirectly enhance KLRF2 activity in NK cells, promoting immune surveillance.

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 activates TRPV1 channels, which can influence NK cell activity. By modulating these channels, capsaicin may enhance the functional activity of KLRF2 in NK cell-mediated immune responses.

Ursolic Acid

77-52-1sc-200383
sc-200383A
50 mg
250 mg
$56.00
$180.00
8
(1)

Ursolic acid modulates the MAPK pathway, which is involved in NK cell activation. This modulation can lead to enhanced KLRF2 activity in NK cells, augmenting their role in immune surveillance.

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, a tyrosine kinase inhibitor, can modulate signaling pathways in NK cells. By influencing these pathways, genistein may enhance KLRF2 activity, strengthening the NK cell-mediated immune response.