2. Immunology/Inflammation Metabolic Enzyme/Protease
  3. Interleukin Related Endogenous Metabolite
  4. Lipoxin A4

Lipoxin A4 (LXA4), an endogenous lipoxygenase-derived eicosanoid mediator, has potent dual pro-resolving and anti-inflammatory properties. Lipoxin A4 inhibits proliferation and inflammatory cytokine/chemokine production of human epidermal keratinocytes (NHEKs) associated with the ERK1/2 and NF-kB pathways. Lipoxin A4 inhibits serum amyloid A (SAA)-mediated IL-8 release with an IC50 value of 25.74 nM.

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Lipoxin A4 Chemical Structure

Lipoxin A4 Chemical Structure

CAS No. : 89663-86-5

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25 μg（283.71 µM * 250 μL in Ethanol） USD 840 In-stock
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Based on 1 publication(s) in Google Scholar

Other Forms of Lipoxin A4:

Lipoxin A4 Related Antibodies

Top Publications Citing Use of Products

1 Publications Citing Use of MCE Lipoxin A4

View All Interleukin Related Isoform Specific Products:

View All Isoforms
IL-1 IL-2 IL-3 IL-4 IL-5 IL-6 IL-8 IL-10 IL-12 IL-13 IL-15 IL-17 IL-23 IL-7 IL-33 IL-22

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  • References

  • Customer Review

Description

Lipoxin A4 (LXA4), an endogenous lipoxygenase-derived eicosanoid mediator, has potent dual pro-resolving and anti-inflammatory properties[1]. Lipoxin A4 inhibits proliferation and inflammatory cytokine/chemokine production of human epidermal keratinocytes (NHEKs) associated with the ERK1/2 and NF-kB pathways[2]. Lipoxin A4 inhibits serum amyloid A (SAA)-mediated IL-8 release with an IC50 value of 25.74 nM[3].

IC50 & Target

IL-6

 

IL-8

 

Human Endogenous Metabolite

 

Cellular Effect
Cell Line Type Value Description References
THP-1 IC50
1 pM
Compound: 1
Anti-inflammatory activity against human THP-1 monocytes assessed as reduction in LPS-induced IL-6 release pretreated for 30 mins followed LPS stimulation and measured after 24 hrs by multiplex chemiluminescence detection method
Anti-inflammatory activity against human THP-1 monocytes assessed as reduction in LPS-induced IL-6 release pretreated for 30 mins followed LPS stimulation and measured after 24 hrs by multiplex chemiluminescence detection method
[PMID: 34138563]
THP-1 IC50
1 pM
Compound: 1
Anti-inflammatory activity against human THP-1 monocytes assessed as reduction in LPS-induced IL-1beta release pretreated for 30 mins followed LPS stimulation and measured after 24 hrs by multiplex chemiluminescence detection method
Anti-inflammatory activity against human THP-1 monocytes assessed as reduction in LPS-induced IL-1beta release pretreated for 30 mins followed LPS stimulation and measured after 24 hrs by multiplex chemiluminescence detection method
[PMID: 34138563]
THP-1 IC50
1 pM
Compound: 1
Anti-inflammatory activity against human THP-1 monocytes assessed as reduction in LPS-induced IFNgamma release pretreated for 30 mins followed LPS stimulation and measured after 24 hrs by multiplex chemiluminescence detection method
Anti-inflammatory activity against human THP-1 monocytes assessed as reduction in LPS-induced IFNgamma release pretreated for 30 mins followed LPS stimulation and measured after 24 hrs by multiplex chemiluminescence detection method
[PMID: 34138563]
THP-1 EC50
5 nM
Compound: 1
Induction of phagocytosis in human THP-1-MF0 macrophages pretreated for 30 mins followed by fluorescently labeled Escherichia coli derived bio-particles addition and measured after 2 hrs
Induction of phagocytosis in human THP-1-MF0 macrophages pretreated for 30 mins followed by fluorescently labeled Escherichia coli derived bio-particles addition and measured after 2 hrs
[PMID: 34138563]
In Vitro

Lipoxin A4 (LXA4) inhibits the expression of IL-6 and IL-8 in NHEKs[2].
Lipoxin A4 downregulates the expression of cyclin D1[2].
Lipoxin A4 also suppresses the ERK1/2 phosphorylation and NF-kB-p65 nuclear translocation of NHEKs[2].
LXA4 (100 nM; preincubation for 30 minutes)inhibits the proliferation of NHEKs with or without stimulating by LPS (10 μg/mL)[2].
LXA4 pretreatment (100? nM for 30?minutes) downregulates the LPS-induced secretion and expression of HMGB1 in keratinocytes[1].

MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.

Lipoxin A4 Related Antibodies

Cell Proliferation Assay[2]

Cell Line: Normal human epidermal keratinocytes (NHEKs)
Concentration: 100 nM
Incubation Time: 30 minutes
Result: A significant increase in proliferation of NHEKs after 7 days of stimulation with LPS (10 μg/mL) was seen. However, there was a significant decrease in the proliferation of NHEKs when pretreated with LXA4 for 30 min.

Western Blot Analysis[1]

Cell Line: Normal human epidermal keratinocytes (NHEKs)
Concentration: 100 nM
Incubation Time: 30 minutes.
Result: HMGB1 protein levels in the cytoplasm of NHEKs were induced by LPS, which were decreased after preincubation with LXA4 but decreased in the nucleus after stimulation with LPS.
Molecular Weight

352.47

Formula

C20H32O5
CAS No.
Appearance

Liquid

Color

Colorless to light yellow

SMILES

CCCCC[C@H](O)/C=C/C=C\C=C\C=C\[C@@H](O)[C@@H](O)CCCC(O)=O
Structure Classification
Initial Source
Shipping

Shipping with dry ice.
Storage

Solution, -20°C, 1 year
Purity & Documentation

Purity: 99.19%

SDS (544 KB)

COA (240 KB)

Handling Instructions (2659 KB)
References
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Lipoxin A4 Related Classifications

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Help & FAQs
  • Do most proteins show cross-species activity?

    Species cross-reactivity must be investigated individually for each product. Many human cytokines will produce a nice response in mouse cell lines, and many mouse proteins will show activity on human cells. Other proteins may have a lower specific activity when used in the opposite species.

Keywords:

Lipoxin A489663-86-5LXA4Lipoxin A 4Lipoxin A-4LXA 4LXA-4Interleukin RelatedEndogenous MetaboliteILlipoxin A4,IL-6interleukin-6,IL-8interleukin-8,NHEKsepidermal keratinocytesLPSlipopolysaccharideERK1/2,NF-kBInhibitorinhibitorinhibit

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