Date published: 2025-11-24

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CysLT1 Inhibitors

CysLT1 inhibitors are a class of chemical compounds that specifically target and inhibit the activity of the CysLT1 receptor, a G protein-coupled receptor (GPCR) that is primarily involved in mediating the effects of cysteinyl leukotrienes (CysLTs). Cysteinyl leukotrienes, including LTC4, LTD4, and LTE4, are lipid signaling molecules derived from arachidonic acid through the lipoxygenase pathway. These molecules play significant roles in various physiological processes, particularly in the immune system where they are involved in mediating inflammation and allergic responses. The CysLT1 receptor is one of the key receptors for CysLTs, and it is predominantly expressed on the surface of certain immune cells, such as eosinophils, mast cells, and smooth muscle cells in the airways and vasculature. Activation of the CysLT1 receptor by its ligands leads to a cascade of intracellular signaling events that result in bronchoconstriction, increased vascular permeability, and the recruitment of immune cells to sites of inflammation.

Inhibitors of CysLT1 are typically small molecules designed to bind to the receptor, blocking the interaction between the receptor and its natural ligands, cysteinyl leukotrienes. By preventing this interaction, CysLT1 inhibitors can effectively disrupt the downstream signaling pathways that would normally be triggered by CysLT1 activation. The development of CysLT1 inhibitors involves detailed studies of the receptor's structure, particularly the ligand-binding sites, to identify critical regions where these inhibitors can interact and exert their effects. By inhibiting CysLT1, researchers can explore the receptor's role in mediating various physiological and pathological processes, particularly those related to immune responses and inflammation. The study of CysLT1 inhibitors is important for understanding how this receptor contributes to the broader network of signaling pathways in the body, particularly in contexts where CysLTs play a significant role. This research enhances our understanding of the molecular mechanisms underlying the actions of cysteinyl leukotrienes and the potential for modulating these pathways through targeted inhibition of their receptors.

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Items 1 to 10 of 11 total

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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
$36.00
$68.00
$107.00
$214.00
$234.00
$862.00
$1968.00
47
(1)

Curcumin has been observed to suppress the expression of CysLT1 by inhibiting the activation of the transcription factor NF-κB within the nucleus, which is crucial for the expression of many inflammation-related genes including CysLT1.

Resveratrol

501-36-0sc-200808
sc-200808A
sc-200808B
100 mg
500 mg
5 g
$60.00
$185.00
$365.00
64
(2)

Resveratrol may decrease CysLT1 expression by activating SIRT1, an NAD+-dependent deacetylase that can deacetylate transcription factors involved in inflammatory response pathways, subsequently leading to a reduction in CysLT1 gene transcription.

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
$108.00
$245.00
$918.00
$49.00
33
(2)

Quercetin could reduce CysLT1 expression through the inhibition of Janus kinase (JAK) enzymes, which are involved in the activation of STAT proteins that promote the expression of inflammatory genes.

(−)-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
$42.00
$72.00
$124.00
$238.00
$520.00
$1234.00
11
(1)

Epigallocatechin Gallate may suppress CysLT1 expression by hindering the phosphorylation of the epidermal growth factor receptor (EGFR), which can initiate a signaling cascade that includes the expression of pro-inflammatory genes.

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
$26.00
$92.00
$120.00
$310.00
$500.00
$908.00
$1821.00
46
(1)

Genistein has the potential to decrease CysLT1 expression by inhibiting protein tyrosine kinases, thereby reducing the activity of transcription factors that drive the expression of inflammatory mediators.

Methotrexate

59-05-2sc-3507
sc-3507A
100 mg
500 mg
$92.00
$209.00
33
(5)

Methotrexate may reduce the expression of CysLT1 by inhibiting the enzyme dihydrofolate reductase, leading to decreased availability of folate and subsequent downregulation of nucleotide synthesis which is essential for gene expression.

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
$150.00
$286.00
$479.00
$1299.00
$8299.00
$915.00
22
(1)

DL-Sulforaphane could inhibit CysLT1 expression by enhancing the transcription of antioxidant response element (ARE)-driven genes, which can suppress the oxidative stress-related activation of inflammatory pathways responsible for CysLT1 expression.

Retinoic Acid, all trans

302-79-4sc-200898
sc-200898A
sc-200898B
sc-200898C
500 mg
5 g
10 g
100 g
$65.00
$319.00
$575.00
$998.00
28
(1)

Retinoic acid may downregulate CysLT1 expression through the retinoic acid receptor (RAR)-mediated inhibition of AP-1, a transcription factor involved in the expression of multiple genes during inflammatory processes.

1α,25-Dihydroxyvitamin D3

32222-06-3sc-202877B
sc-202877A
sc-202877C
sc-202877D
sc-202877
50 µg
1 mg
5 mg
10 mg
100 µg
$325.00
$632.00
$1428.00
$2450.00
$400.00
32
(2)

Calcitriol, the active form of Vitamin D, may decrease the expression of CysLT1 by binding to the vitamin D receptor (VDR) and hindering the activation of NF-κB, which is a key regulator of inflammatory gene expression.

Pioglitazone

111025-46-8sc-202289
sc-202289A
1 mg
5 mg
$54.00
$123.00
13
(1)

Pioglitazone may suppress CysLT1 expression through activation of PPARγ, which can lead to the transcriptional upregulation of anti-inflammatory genes that work to shut down inflammatory gene expression cascades, including those related to CysLT1.