The role of sialomucin CD164 (MGC-24v or endolyn) in prostate cancer metastasis

A. M. Havens, Y. H. Jung, Y. Xis Sun, J. Wang, Raj B. Shah, Hans Joerg Bühring, K. J. Pienta, R. S. Taichman

Research output: Contribution to journalArticle

55 Scopus citations

Abstract

Background: The chemokine stromal derived factor-1 (SDF-1 or CXCL12) and its receptor CXCR4 have been demonstrated to be crucial for the homing of stem cells and prostate cancers to the marrow. While screening prostate cancers for CXCL12-responsive adhesion molecules, we identified CD164 (MGC-24) as a potential regulator of homing. CD164 is known to function as a receptor that regulates stem cell localization to the bone marrow. Results: Using prostate cancer cell lines, it was demonstrated that CXCL12 induced both the expression of CD 164 mRNA and protein. Functional studies demonstrated that blocking CD164 on prostate cancer cell lines reduced the ability of these cells to adhere to human bone marrow endothelial cells, and invade into extracellular matrices. Human tissue microarrays stained for CD164 demonstrated a positive correlation with prostate-specific antigen levels, while its expression was negatively correlated with the expression of androgen receptor. Conclusion: Our findings suggest that CD164 may participate in the localization of prostate cancer cells to the marrow and is further evidence that tumor metastasis and hematopoietic stem cell trafficking may involve similar processes.

Original languageEnglish (US)
Article number195
JournalBMC Cancer
Volume6
DOIs
StatePublished - Jul 21 2006

ASJC Scopus subject areas

  • Genetics
  • Oncology
  • Cancer Research

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    Havens, A. M., Jung, Y. H., Sun, Y. X., Wang, J., Shah, R. B., Bühring, H. J., Pienta, K. J., & Taichman, R. S. (2006). The role of sialomucin CD164 (MGC-24v or endolyn) in prostate cancer metastasis. BMC Cancer, 6, [195]. https://doi.org/10.1186/1471-2407-6-195