IL-8
IL-8/CXCL8 is a CXC chemokine produced during inflammation that activates neutrophils, inducing chemotaxis, exocytosis, respiratory burst, and neutrophil accumulation in vivo[1]. Mechanistically, IL-8 acts through CXCR1/CXCR2 to control target-cell adhesion, migration, and function, while downstream signaling supports actin remodeling, calcium mobilization, granule exocytosis, and respiratory burst[2]. In inflammatory and cancer contexts, the CXCL8-CXCR1/2 axis participates in inflammatory mediator trafficking, tumor progression, metastasis, and diseases including COPD, asthma, cystic fibrosis, and cancer[3]. Compared with related ELR+ CXC chemokines, IL-8 is distinguished by dual activation of CXCR1 and CXCR2, whereas CXCR2 also recognizes CXCL1, CXCL2, CXCL3, CXCL5, CXCL6, and CXCL7[4]. CXCL8 monomers and dimers differentially regulate CXCR1 and CXCR2, supporting receptor-selective experimental designs for neutrophil recruitment and cytotoxic activity studies[4]. For experimental applications, noncompetitive allosteric CXCR1/CXCR2 inhibitors block inflammatory CXCL8 receptor signaling, and CXCL8-derived antagonists can reduce neutrophil infiltration in inflammatory models[5][6].
References:
- [1]. Baggiolini M, et al. Interleukin-8, a chemotactic and inflammatory cytokine. FEBS Lett. 1992 Jul 27;307(1):97-101. [Content Brief]
- [2]. Matsushima K, et al. Interleukin-8: An evolving chemokine. Cytokine. 2022 May;153:155828. [Content Brief]
- [3]. Ha H, et al. Role of the CXCL8-CXCR1/2 Axis in Cancer and Inflammatory Diseases. Theranostics. 2017 Apr 7;7(6):1543-1588. [Content Brief]
- [4]. Nasser MW, et al. Differential activation and regulation of CXCR1 and CXCR2 by CXCL8 monomer and dimer. J Immunol. 2009 Sep 1;183(5):3425-32. [Content Brief]
- [5]. Bertini R, et al. Noncompetitive allosteric inhibitors of the inflammatory chemokine receptors CXCR1 and CXCR2: prevention of reperfusion injury. Proc Natl Acad Sci U S A. 2004 Aug 10;101(32):11791-6. [Content Brief]
- [6]. Gordon JR, et al. The combined CXCR1/CXCR2 antagonist CXCL8(3-74)K11R/G31P blocks neutrophil infiltration, pyrexia, and pulmonary vascular pathology in endotoxemic animals. J Leukoc Biol. 2005 Dec;78(6):1265-72. [Content Brief]
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IL-8 Related Products (101)
Related Products (101)
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Recombinant Proteins (16)
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THR-123
0 ImagesCat. No.: HY-P11354THR-123 is an orally active ALK3 peptide agonist. THR-123 has a relatively weak binding to ALK2, but does not bind to ALK6. THR-123 suppresses inflammation, apoptosis and the epithelial-to-mesenchymal transition program and reverses established fibrosis in five mouse models of acute and chronic renal injury. THR-123 can be used for the study of kidney fibrosis.
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Phoxim-d5 (phenyl-d5) (mixture of isomers)
0 ImagesCat. No.: HY-W758414Phoxim-d5 (phenyl-d5) (mixture of isomers) is the deuterated-labeled Phoxim (HY-B0819). Phoxim is an organophosphorus pesticide and an orally active inhibitor of cholinesterase and CYP3A, which induces neurotoxicity in Caenorhabditis elegans and causes nephrotoxicity characterized by glomerular atrophy and interstitial fibrosis. Phoxim induces inhibition of the autophagy pathway. Phoxim induces dopaminergic neuron degeneration and exacerbates Aβ-induced paralysis. Phoxim damages enterocytes and disrupts intestinal barrier integrity. Phoxim induces ROS accumulation. Phoxim induces mitochondrial apoptosis, involving upregulation of Bad, Bax, caspase-3, and caspase-9 and downregulation of Bcl-2. Phoxim inhibits mitochondrial functional enzymes (COX, Ca2+-Mg2+-ATPase, SDH). Phoxim upregulates Nrf2 mRNA expression in the jejunal mucosa. Phoxim increases TNF-α and decreases IL-6 and IL-8 in the intestinal mucosa. Phoxim alters gut microbial composition by increasing total bacteria and Escherichia coli and reducing Lactobacillus. Phoxim enhances energy metabolism in silver carp by upregulating key glycolytic and gluconeogenic enzymes. Phoxim is used in research on neurodegenerative diseases, nephrotoxicity, intestinal oxidative stress and barrier dysfunction, and bacterial sepsis.
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Cathepsin L-IN-6
0 ImagesCat. No.: HY-180799CAS No.: 3077842-39-5Cathepsin L-IN-6 (Compound 6a) is a selective cathepsin L inhibitor with an IC50 of 0.021 μM. Cathepsin L-IN-6 suppresses cathepsin L activity by directly binding to cathepsin L. Cathepsin L-IN-6 inhibits IL-6 and IL-8. Cathepsin L-IN-6 shows a high anti-inflammatory activity. Cathepsin L-IN-6 can be used in the research of acute lung injury.
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TLR7/8 agonist 14
0 ImagesCat. No.: HY-179336TLR7/8 agonist 14 is a TLR7 and TLR8 agonist with EC50 values of 0.53 μM and 4.3 μM, respectively. TLR7/8 agonist 14 increases the secretion of the proinflammatory cytokines TNF-α, IL-1β, IL-8 and IFN-γ. TLR7/8 agonist 14 increases cytokine secretion and expression of CD86. LR7/8 agonist 14 can be used for research colorectal carcinoma.
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APH003
0 ImagesCat. No.: HY-184915CAS No.: 3065495-08-8APH003 is an orally active IRAK4 PROTAC degrader with a DC50 of 0.74 nM in human peripheral blood mononuclear cells (hPBMCs). APH003 recruits IRAK4 to CRBN to form a ternary complex, mediates the ubiquitination and degradation of IRAK4 via the ubiquitin-proteasome pathway, and inhibits the kinase activity of IRAK4. APH003 inhibits LPS- or IL-1β/LPS-induced phosphorylation of ERK, JNK and NF-κB. APH003 inhibits the secretion of TNF-α, IL-6, IL-8 and IL-13 by stimulated hPBMCs. APH003 exhibits anti-inflammatory activity in rat TNBS-induced intestinal inflammation models and mouse IL-33-induced skin inflammation models. APH003 can be used in research related to inflammatory bowel disease and skin inflammation.
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LAS190792
0 ImagesCat. No.: HY-148527CAS No.: 1347232-69-2Synonyms: AZD8999LAS190792 is a bifunctional muscarinic acetylcholine receptor (mAChR) antagonist and β2-adrenergic receptor agonist. LAS190792 has a pIC50 of 8.8 against human M3 muscarinic receptor and a pIC50 of 9.1 against human β2-adrenergic receptor. LAS190792 exhibits vasodilatory and anti-inflammatory activities, and induces sustained bronchodilation in dogs. LAS190792 inhibits the release of IL-8, MMP9, IL-1β and GM-CSF from lipopolysaccharide-stimulated neutrophils. LAS190792 can be used in research related to respiratory system diseases.
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PROTAC IRAK4 degrader-2
0 ImagesCat. No.: HY-135382CAS No.: 2374122-27-5PROTAC IRAK4 degrader-2 is a PROTAC degrader targeting IRAK4. PROTAC IRAK4 degrader-2 induces proteasome-dependent degradation of IRAK4 by recruiting the VHL E3 ligase. PROTAC IRAK4 degrader-2 inhibits multiple cytokines in peripheral blood mononuclear cells. PROTAC IRAK4 degrader-2 can be used in the research of autoimmune diseases, inflammatory diseases and neoplastic diseases.
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XAT-14
0 ImagesXAT-14 is a Furanocoumarin derivative. XAT-14 competes with agonists to bind to the active pocket of MRGPRX2, inhibiting calcium influx and mast cell degranulation. XAT-14 suppresses the release of histamine, IL-8 and MCP-1 induced by Compound 48/80 (HY-115768). XAT-14 inhibits local allergic inflammation. XAT-14 can be used for the research of pseudo-allergic diseases.
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Palmitoyl tripeptide-8
0 ImagesCat. No.: HY-P5226CAS No.: 936544-53-5Palmitoyl tripeptide-8 is an immunomodulatory peptide and neurotransmitter inhibitory peptide. Palmitoyl tripeptide-8 inhibits the activation of the NF-κB pathway and the production of pro-inflammatory cytokines (IL-8, IL-6, and TNF-α). Palmitoyl tripeptide-8 activates the cutaneous opioid system and reduces CGRP release. Palmitoyl tripeptide-8 decreases the number of dilated capillaries, the size of dilated vessels, and the degree of edema in skin explants treated with Substance P (HY-P0201). Palmitoyl tripeptide-8 is used as an active ingredient in cosmetics for sensitive skin. Palmitoyl tripeptide-8 is utilized in research related to sensitive skin.
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Laricitrin 3-rutinoside
0 ImagesCat. No.: HY-N7984CAS No.: 55481-90-8Synonyms: Laricitrin 3-O-rutinosideLaricitrin 3-rutinoside (Laricitrin 3-O-rutinoside) is a flavonol rutin. Laricitrin 3-rutinoside can be isolated from the fruits of Ginkgo biloba. Laricitrin 3-rutinoside inhibits ERK phosphorylation, reactive oxygen species (ROS) production, and matrix metalloproteinase-1 (MMP-1) secretion. Laricitrin 3-rutinoside inhibits Collagen degradation. Laricitrin 3-rutinoside reduces the secretion of proinflammatory cytokines interleukin 6 (IL-6) and interleukin 8 (IL-8). Laricitrin 3-rutinoside is applicable to research related to skin aging.
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Phytolacca americana Lectin
0 ImagesCat. No.: HY-NP187Synonyms: PWMPhytolacca americana Lectin (PWM) is an acidic monomeric glycoprotein specific to N-acetylglucosamine and a B cell-specific stimulator. Phytolacca americana Lectin acts as a mitogen to induce cell mitosis. Phytolacca americana Lectin sensitizes B cells to Toll-like receptor stimulation, enabling their activation by immunostimulatory DNA. When used in combination with copurified microbial Toll-like receptor ligands, Phytolacca americana Lectin triggers B cell proliferation and immunoglobulin secretion.
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N,N-Diethylacetamide
0 ImagesCat. No.: HY-W008829CAS No.: 685-91-6N,N-Diethylacetamide is a polar solvent widely used in film and fiber manufacturing, as well as in laboratories as a carrier for water-insoluble chemicals. N,N-Diethylacetamide exerts potent anti-inflammatory effects by inhibiting the NF-κB pathway, suppressing the expression of NO and iNOS, and downregulating key inflammatory cytokines such as TNF-α and IL-6, without affecting the MAPK pathway. N,N-Diethylacetamide can be used to study inflammatory preterm birth.
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TriDAP
0 ImagesCat. No.: HY-P5522CAS No.: 877462-71-0Synonyms: L-Ala-γ-D-Glu-meso-diaminopimelic acidTriDAP (L-Ala-γ-D-Glu-meso-diaminopimelic acid) is a NOD1 agonist with a Kd value of 34.5 μM. TriDAP enhances the binding of NOD1-RICK, promotes RICK phosphorylation, and activates the NF-κB, TAK1, MEK/ERK, p38 and interferon response pathways. TriDAP downregulates Runx2 via increasing ubiquitination and reduces trabecular bone parameters. TriDAP decreases IκBα levels and increases p65 levels. TriDAP induces the secretion of proinflammatory mediators IL-8 and prostaglandins, triggers tissue inflammation and innate immune activation, and inhibits SARS-CoV-2 replication in lung epithelial cells. TriDAP increases the RANKL/OPG ratio in mice, reduces bone mass and enhances osteoclast activity, and inhibits new bone formation by decreasing the mineralization deposition rate in mice. TriDAP can be used in research related to pulpitis, chronic ulcerative colitis, Crohn's disease and SARS-CoV-2 infection.
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Cannabitwinol
0 ImagesCat. No.: HY-179432CAS No.: 2699950-81-5Synonyms: CBDDCannabitwinol is a selective thermosensitive TRP modulator and NF-κB inhibitor. Cannabitwinol inhibits TNFα-induced NF-κB-driven transcription and TNFα-induced IL-8 release, and exhibits anti-inflammatory and antioxidant activities. Cannabitwinol shows selectivity for cold-activated TRP channels, activating TRPA1 (EC50 = 3.0 μM) and antagonizing TRPM8 (IC50 = 3.9 μM), but has no significant affinity for heat-activated TRP channels such as TRPV1 and TRPV2. Cannabitwinol can be used in research related to inflammatory skin diseases, cold allodynia, and hyperalgesia.
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NOD2 agonist 4
0 ImagesCat. No.: HY-179009NOD2 agonist 4 (Compound 12b) is a potent NOD2 agonist with an EC50 of 44.1 nM. NOD2 agonist 4 induces cytokine production (MCP-1, IL-6 and IL-8) in peripheral blood mononuclear cells (PBMCs), both alone and in combination with Lipopolysaccharide (LPS) (HY-D1056). NOD2 agonist 4 can be used for the studies of NOD2-targeted immunomodulator or vaccine adjuvant.
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AGN 225660
0 ImagesCat. No.: HY-183037CAS No.: 1354060-46-0AGN 225660 is a multi-prostanoid receptor antagonist with human IC50 values of 70, 70, 5, 220 and 180 nM for EP1, EP4, TP, DP1, FP. AGN 225660 inhibits secretion of RANTES, IL-8, MCP-1, IL-12p70, and IL-23. AGN 225660 exhibits good ocular bioavailability and reduces ocular inflammation linked to phacoemulsification surgery and uveitis.
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2-Hydroxy Imiquimod
0 ImagesCat. No.: HY-W744192CAS No.: 112668-45-8Synonyms: R-8422-Hydroxy Imiquimod (R-842), a hydroxylated metabolite of Imiquimod (HY-B0180), is an immunomodulating agent. 2-Hydroxy Imiquimod can induce IFN-α, TNF-α, IL-1, IL-6 and IL-8 in human blood cells. 2-Hydroxy Imiquimod exhibits antivirus and antitumor activities. 2-Hydroxy Imiquimod can be used for the researches of cancer, infection and immunology.
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Ilekudinol B
0 ImagesCat. No.: HY-N17326CAS No.: 242794-72-5Ilekudinol B is an inhibitor of ACAT and PTP1B, with an IC50 of 5.3 μM and a Ki of 11.6 μM against human PTP1B. Ilekudinol B inhibits the classical pathway of the complement system, with an IC50 of 51 μM. Ilekudinol B inhibits TNF-α-induced cellular IL-8 secretion, promotes glucose uptake in skeletal muscle myotubes, and acts as an insulin mimetic and insulin sensitizer. Ilekudinol B can be used in research related to type 2 diabetes, obesity, and inflammatory diseases.
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β-Bisabolol
0 ImagesCat. No.: HY-W750980CAS No.: 15352-77-9β-Bisabolol is a potent anti-inflammatory agent that can be found in cotton gin trash. β-Bisabolol inhibits the production of nitric oxide (NO), pGE2, TNF-α, IL-6, and IL-8 in LPS (HY-D1056)-stimulated macrophages and fibroblast cells. β-Bisabolol can be used for the research on inflammatory conditions.
