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Updated: May 13, 2026

A Flow Cytometry-based Assay to Identify Compounds That Disrupt Binding of Fluorescently-labeled CXC Chemokine Ligand 12 to CXC Chemokine Receptor 4
06:56

A Flow Cytometry-based Assay to Identify Compounds That Disrupt Binding of Fluorescently-labeled CXC Chemokine Ligand 12 to CXC Chemokine Receptor 4

Published on: March 10, 2018

Benzenesulfonamides: a unique class of chemokine receptor type 4 inhibitors

Suazette Reid Mooring1, Jin Liu, Zhongxing Liang

  • 1Department of Radiology and Imaging Sciences, Emory University, Atlanta, GA, USA. smooring@gsu.edu

Chemmedchem
|March 8, 2013
PubMed

Insights

New aryl sulfonamides effectively inhibit the CXCR4/CXCL12 interaction, a key pathway in cancer metastasis. A lead compound shows high potency, blocking tumor cell invasion at nanomolar concentrations.

Area of Science:

  • Medicinal Chemistry
  • Oncology
  • Molecular Biology

Background:

  • The CXCR4 chemokine receptor and its ligand CXCL12 (SDF-1) are crucial for cancer cell migration and metastasis.
  • Targeting the CXCR4/CXCL12 axis is a promising strategy for developing anti-cancer therapies.

Purpose of the Study:

  • To synthesize and evaluate novel aryl sulfonamide compounds as inhibitors of the CXCR4/CXCL12 interaction.
  • To identify potent CXCR4 antagonists for potential anti-metastatic drug development.

Main Methods:

  • Synthesis of a series of aryl sulfonamide analogues.
  • Assessment of bioactivity using binding affinity and Matrigel invasion assays.
  • Computational modeling (docking) to analyze compound-receptor interactions.

Main Results:

  • A lead benzenesulfonamide compound demonstrated high potency with IC(50) of 8.0 nM in binding affinity assays.
  • The lead compound achieved 100% blockade of invasion at 10 nM in Matrigel invasion assays.
  • Computer modeling provided insights into structure-activity relationships and assay discrepancies.

Conclusions:

  • Benzenesulfonamides represent a novel and potent class of CXCR4 inhibitors.
  • These findings support the development of aryl sulfonamides as anti-cancer agents targeting metastasis.

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