BAM-12P, an endogenous opioid peptide, is a novel pro-Met-enkephalin. BAM-12P can activate human κ-opioid receptor (hKOR) with an EC50 of 101 nM and a pEC50 of 6.99. BAM-12P is a ligand for CXCR7 with an EC50 of 175 nM[1][2][3].
BKT140 4-fluorobenzoyl is a novel CXCR4 antagonist with an IC50 vakue of ～1 nM. Sequence: 4F-Benzoyl-Arg-Arg-{2-Naph-Ala}-Cys-Tyr-{Cit}-Lys-Lys-Pro-Tyr-Arg-{Cit}-Cys-Arg-NH2(Disulfide bridge: Cys4-Cys13).
AZD4721 (RIST4721) is the potent and orally active antagonist of acidic CXC chemokine receptor 2 (CXCR2). AZD4721 has the potential for the research of inflammatory disease[1].
Corydalmine (L-Corydalmine), an alkaloid isolated from roots of Corydalis Chaerophylla, inhibits spore germination of some plant pathogenic as well as saprophytic fungi[1]. Corydalmine acts as an oral analgesic agent, exhibiting potent analgesic activity[2]. Corydalmine alleviates Vincristine-induced neuropathic pain in mice by inhibiting an NF-κB-dependent CXCL1/CXCR2 signaling pathway[3].
CXCR4-IN-1 (Example C5) is a CXCR4 inhibitor (IC50: 20 nM). CXCR4-IN-1 can be used for research of cancer, HIV, diabetic retinopathy, inflammation, etc[1].
ACT-672125 is a potent CXCR3 antagonist with IC50 value of 239 nM in human blood. ACT-672125 has activity for hERG with IC50 value of 18μM. ACT-672125 can be used for the research of autoimmune diseases[1].
A potent, specific, noncompetitive dual CXCR1 and CXCR2 antagonist with IC50 of 38 nM (vs. CXCL1) and 36 nM (vs. CXCL8), respectively; inhibits CXCL1-induced Ca(2+) flux in human PMNs but has no effect on the Ca(2+) flux induced by C5a, fMLF, or PAF; antagonizes CXCL8-induced [(35)S]GTPγS binding (IC50=60 nM) and ERK1/2 phosphorylation in recombinant HEK293 cells expressed CXCR2; significantly inhibits inflammation in an in vivo murine model (0.2 mg/kg iv).
CXCR4 probe 1 (compound 5) is a potent and specific CXCR4-targeted PET tracer with an IC50 value of 6.9 nM against CXCR4-specific antagonist peptide, TN14003. CXCR4 probe 1 has potential to be used as CXCR4-specific imaging probe to diagnose and monitor the prognosis of inflammatory diseases, CXCR4-positive tumors, and metastatic cancers[1].
SB-265610 is a selective, competitive, nonpeptide and allosteric CXCR2 antagonist. SB-265610 blocks rat cytokine-induced neutrophil chemoattractant-1 (CINC-1)-induced calcium mobilization and neutrophil chemotaxis with IC50s of 3.7 nM and 70 nM, respectively[1][2].
Plerixafor octahydrochloride is a selective CXCR4 antagonist with an IC50 of 44 nM.
Quetmolimab is a humanized anti-CX3CL1 monoclonal antibody. However, CX3CL1 is a chemokine with a modulating effect on chemotaxis and adhesion[1].
Elubrixin (SB-656933) is a potent, selective, competitive, reversible and orally active CXCR2 antagonist and an IL-8 receptor antagonist. Elubrixin inhibits neutrophil CD11b upregulation (IC50 of 260.7 nM) and shape change (IC50 of 310.5 nM). Elubrixin can be used for inflammatory diseases such as inflammatory bowel disease and airway inflammation[1][2][3].
CTCE-0214 is a chemokine CXC receptor 4 (CXCR4) agonist, SDF-1α (stromal cell-derived factor-1α) peptide analog. CTCE-0214 shows anti-inflammatory activity, and can be used in inflammation sepsis and systemic inflammatory syndromes research[1][2][3].
AMG 487 is an antagonist of chemokine receptor 3 CXCR3 which inhibits the binding of CXCL10 and CXCL11 to CXCR3 with IC50s of 8.0 and 8.2 nM, respectively.
ACT-777991 is an orally active and selective CXCR3 antagonist. ACT-777991 has microsomes and hepatocytes stability across animal models. ACT-777991 inhibits the migration of activated T cells toward CXCL11[1].
Pentixafor is a peptide that targets CXCR4. Pentixafor is capable of being labelled with 68Gallium (68Ga) for positron emission tomography (PET) imaging[1].
Danirixin is a selective, and reversible CXCR2 antagonist, with IC50 of 12.5 nM for CXCL8.
CXCR4 antagonist 5 (compound 23) is a highly potent CXCR4 antagonist with an IC50 value of 8.8 nM. CXCR4 antagonist 5 can inhibit CXCL12-induced cytosolic calcium increase (IC50 = 0.02 nM) and inhibits CXCR4/CXLC12-mediated chemotaxis. CXCR4 antagonist 5 has good physicochemical properties and in vitro safety profiles, inhibiting CYP isozymes and hERG marginally or moderately[1].
AZ10397767 is a potent, selective CXCR2 inhibitor that inhibits CXCL8 binding to CXCR2 with pIC50 of 9.0; weakly inhibits CXCL8 binding to CXCR1 with pIC50<7, and no affinity for CCR2 and CCR5; significantly attenuates IL-8-induced c-FLIP mRNA up-regulation whereas inhibition of AR- and/or NF-kappaB-mediated transcription attenuated IL-8-induced c-FLIP expression in LNCaP and PC3 cells, respectively; attenuates oxaliplatin-induced NF-kappaB activation, increases oxaliplatin cytotoxicity, and potentiates oxaliplatin-induced apoptosis in AIPC cells.
LY2510924 is a potent and selective CXCR4 antagonist; blocks SDF-1 binding to CXCR4 with an IC50 of 0.079 nM.
TC14012, a serum-stable derivative of T140, is a selective and peptidomimetic inverse CXCR4 agonist with an IC50 of 19.3 nM. TC14012 is a potent CXCR7 agonist an EC50 of 350 nM for recruiting β-arrestin 2 to CXCR7. TC14012 has anti-HIV activity and anti-cancer activity[1][2].
CXCR2 antagonist 8 is a potent and selective CXCR2 antagonist. CXCR2 antagonist 8 can be used for insulin resistance research[1].
TAK-779 is a potent and selective nonpeptide antagonist of CCR5 and CXCR3, with a Ki of 1.1 nM for CCR5, and effectively and selectively inhibits R5 HIV-1, with EC50 and EC90 of 1.2 nM and 5.7 nM, respectively, in MAGI-CCR5 cells.
ICT5040 is a small molecule CXCR4 antagonist (IC50=3.8 μM). ICT5040 inhibits CXCL12-mediated proliferation and migration, and suppresses CXCL12-induced intracellular calcium mobilisation in U87 glioma cells[1].
NUCC-390 is a novel and selective small-molecule CXCR4 receptor agonist. NUCC-390 can induce internalization of CXCR4 receptors[1].