FLX-475 is a novel CCR4 antagonist for the treatment of cancer.

EMU-116 (EMU-000116) is a potent, selective CXCR4 antagonist with IC50 29.6 nM in Ca2+ flux assay.

DPC168 (DPC-168) is a highly potent, selective CC chemokine receptor-3 (CCR3) antagonist with IC50 of 2.0 nM, inhibits eotaxin-induced chemotaxis with IC50 of 0.034 nM.DPC168 demonstrates potency for mouse CCR3 (chemotaxis IC50=41 nM) and oral bioavailability in mice (20% F).DPC168 reduced eosinophil recruitment into the lungs in a dose-dependent manner in these animal models.

CXCR7 modulator 20 is a small molecule modulator of the atypical chemokine receptor CXCR7 with Ki of 52 nM.

CCX-6239 is a novel potent, orally available CCR4 inhibitor with potential utility in the treatment of allergic airways disease.

CCR7 inhibitor Cmp1205 is an allosteric ligand and antagonist for human CC chemokine receptor 7 (CCR7) with Kd of 3 nM, suppresses arrestin binding in response to activation by CCL19 with IC50 of 7.3 uM.Cmp1205 binds to a pocket at the intracellular part of CCR7 between the ends of TM1, TM2, TM3, and TM6 and the loop between TM7 and H8.Cmp1205 allosterically inhibits binding of the native chemokine CCL19 ligand in a membrane-based competition binding experiment with IC50 of 35 nM.

CCR2 inhibitor SD-24 is a potent selective CCR2 antagonist with pKi of 8.5.

CCR2 covalent-IN-14 is a covalent, negative allosteric modulator (NAM) of CCR2, binds to intracellularly pocket of CCR2 with Ki of 4 nM.CCR2 covalent-IN-14 is more potent than non-covalent analogue and wash-resistant in functional assays (IC50=33 nM in GTPγS binding assay on U2OS-CCR2 cell membranes, IC50=4 nM in β-arrestin recruitment assays).CCR2 covalent-IN-14 displays little to no inhibitory potency on CCR1 and CCR5.The affinity of CCR2 covalent-IN-14 for both the C70S and C75S CCR2 mutants is significantly decreased compared to WT CCR2.

BX471 is a potent, selective, orally available CCR1 antagonist with Ki of 1 nM for hCCR1, displays 100 times less affinity for rat CCR1; shows 10,000-fold selectivity for CCR1 compared with 28 GPCRs (); displays CCR1 ligands MIP-1α, RANTES, and MCP-3 with high affinity (Ki=1-5.5 nM), inhibits a number of CCR1-mediated effects including Ca(2+) mobilization, increase in extracellular acidification rate, CD11b expression; effectively reduces disease in a rat experimental allergic encephalomyelitis model of multiple sclerosis.

BMS-570520 is a potent, selective CCR3 antagonist with IC50 of 1.9 nM, inhibits eotaxin-induced chemotaxis with IC50 of 0.068 nM.BMS-570520 displays reduced inhibition on CYP2D6 (IC50=1300 nM) compared with DPC168 (IC50=30 nM), also possesses >100-fold selectivity over 5-HT2a, DAT and NET.BMS-570520 showed good activity in murine models of CCR3 antagonism and greater in vitro potency and in vivo in the mouse intranasal eotaxin challenge mode.

AstraZeneca CCR4 antagonist is a potent, selective CCR4 antagonist, inhibits CCR4 ligand macrophage-derived chemokine (MDC/CCL22) in CCR4+CD4+ T cells.

AMD3451 is a specific, dual CXCR5/CXCR4 antagonist with antiviral activity against a wide variety of HIV-1 and HIV-2 (IC50=1.2 to 26.5 uM) in vitro.AMD3451 has antiviral activity against a wide variety of R5, R5/X4, and X4 strains if HIV-1 and HIV-2 in various T-cell lines, CCR5- or CXCR4-transfected cells, PBMCs, and monocytes/macrophages.AMD3451 inhibited R5, R5/X4, and X4 HIV-1 primary clinical isolates in PBMCs (IC50, 1.8 to 7.3 uM), AMD3451 blocks R5 and X4 HIV-1 infection at the virus entry stage.AMD3451 dose-dependently inhibited the intracellular Ca2+ signaling induced by the CXCR4 ligand CXCL12 in T-lymphocytic cells and in CXCR4-transfected cells, as well as the Ca2+ flux induced by the CCR5 ligands CCL5, CCL3, and CCL4 in CCR5-transfected cells.AMD3451 did not interfere with chemokine-induced Ca2+ signaling through CCR1, CCR2, CCR3, CCR4, CCR6, CCR9, or CXCR3 and did not induce intracellular Ca2+ signaling by itself at 400 uM.AMD3451 inhibited CXCL12- and CCL3L1-induced endocytosis in CXCR4- and CCR5-transfected cells.AMD3451 does not inhibit the binding of CXCR4- or CCR5-specific MAbs.

A potent, small molecule CXCR2 inhibitor with IC50 of 26 nM and 30 nM for mCXCR2 and hCXCR2, respectively; inhibits the growth and metastatic potential pancreatic ductal adenocarcinoma, enhances sensitivity to anti-PD1 immunotherapy in vivo; chemical analog of AZD 5069.

A potent, selective CCR5 antagonist and HIV-1 entry inhibitor.

A potent, selective CCR5 antagonist and HIV-1 entry inhibitor with pIC50 of 8.37 and 8.46 in HOS and PBL assays, respectively.

A novel potent, selective, brain-penetrating, orally active CXCR4 antagonist with Ki of 3 nM; inhibits tumor growth alone, increases the antitumor effects of bevacizumab and sunitinib in preclinical models of human glioblastoma; reduces the expression of Nestin in vivo, reduces tumor cell proliferation and accelerates cancer stem cell differentiation in glioblastoma preclinical models.

A novel potent, nonpeptide CXCR4 antagonist with IC50 of 0.93 nM; induces increased and prolonged mobilization of murine HSPC compared to AMD3100.

VUF11207 fumarate is a potent CXCR7 (ACKR3) agonist with EC50 of 1.6 nM, inducse recruitment of β-arrestin2 and subsequent internalization of CXCR7 in cells.

CXCR4 antagonist 4 is a potent, orally active CXCR4 antagonist (IC50=24 nM) with diminished CYP 2D6 activity, improved PAMPA permeability, potent inhibition of human immunodeficiency virus entry (IC50=7 nM).

HF51116 is a potent antagonist of CXCR4. HF51116 strongly antagonizes SDF-1α-induced cell migration, calcium mobilization, and CXCR4 internalization. HF51116 inhibits HIV-1 infection via CXCR4. HF51116 has the potential for the research of HIV-1 infection, hematopoietic stem cell mobilization, and cancer metastasis.

CXCR4 antagonist 3 (compound 12a) is a potent antagonist of CXCR4 with an IC50 of 11 nM. CXCR4 antagonist 3 is a congener of TIQ15. CXCR4 antagonist 3 demonstrates the best overall properties including CXCR4 antagonism, CYP 2D6 inhibition, metabolic stability, and permeability. CXCR4 antagonist 3 has the potential for the research of human immunodeficiency virus.

Fuscin, a fungal metabolite, CCR5 receptor antagonist with anti-HIV effects. Fuscin is a respiration and oxidative phosphorylation inhibitor, and also a mitochondrial SH-dependent transport-linked functions inhibitor.

CCR8 antagonist 1 (compound 15) is a potente human CCR8 antagonist with a Ki of 1.6 nM.

BMS-639623 is a potent and orally activeCCR3 antagonist with an IC50 of 0.3 nM. BMS-639623 picomolar inhibition potency against eosinophil chemotaxis (IC50=38 pM). BMS-639623 can be used for the research of asthma.

CKLF1-C27, a C-terminal peptide of CKLF1, binds to CCR4 receptor and activates ERK1/2 pathway. CKLF1-C27 can abrogate the effect of CKLF1 on cells by competing for CCR4 receptor. CKLF1-C27 shows great effect on promoting proliferation on HUVECs. CKLF1-C27 has the potential for psoriasis research.

CKLF1-C27, a C-terminal peptide of CKLF1, binds to CCR4 receptor and activates ERK1/2 pathway. CKLF1-C27 can abrogate the effect of CKLF1 on cells by competing for CCR4 receptor. CKLF1-C27 shows great effect on promoting proliferation on HUVECs. CKLF1-C27 has the potential for psoriasis research.

Danirixin(GSK1325756) is a selective CXCR2 antagonist.

AZD-5069 is a potent and selective CXCR2 antagonist with the potential to inhibit neutrophil migration into the airways in patients with COPD.

CXCR2 antagonist 3 (compound 11h) is a potent antagonist of CXC chemokine receptor 2 (CXCR2). CXCR2 antagonist 3 demonstrates double-digit nanomolar potencies against CXCR2 and significantly inhibited neutrophil infiltration into the air pouch. CXCR2 antagonist 3 reduces the infiltration of neutrophils and MDSCs and enhance the infiltration of CD3+ T lymphocytes into the Pan02 tumor tissues.

SB-265610 is a selective, competitive, nonpeptide and allosteric CXCR2 antagonist.