CD44 is involved in CXCL-12 induced acute myeloid leukemia HL-60 cell polarity

CXCL-12 and its receptor CXCR4 participate in breast cancer and melanoma cell metastasis to bone and lymphoid nodes. CD44, as a receptor for hyaluronic acid, is involved in lymphocyte recirculation, homing, adhesion and migration. But the role of CD44 in CXCL-12 induced leukemia cell migration still...

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Veröffentlicht in:Biocell 2010-08, Vol.34 (2), p.91-94
Hauptverfasser: Zhou, Liping, Guo, Xiaolin, Jing, B A, Zhao, Lianshuang
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Guo, Xiaolin
Jing, B A
Zhao, Lianshuang
description CXCL-12 and its receptor CXCR4 participate in breast cancer and melanoma cell metastasis to bone and lymphoid nodes. CD44, as a receptor for hyaluronic acid, is involved in lymphocyte recirculation, homing, adhesion and migration. But the role of CD44 in CXCL-12 induced leukemia cell migration still remains unclear. The present study showed that CXCL-12 stimulation induced the rapid internalization of CXCR4 and facilitated the formation of lamellipodia and uropod in acute leukemia cell line HL-60. CXCL-12 also induced CD44 translocation into the uropod, while CD44 remained evenly distributed on the untreated cell membranes. Results suggest that CD44 participates in CXCL-12 induced cell polarization and subsequent cell migration.
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subjects Animals
BIOLOGY
Cell Movement - physiology
Cell Polarity
Cell Surface Extensions - metabolism
Chemokine CXCL12 - immunology
HL-60 Cells
Humans
Hyaluronan Receptors - immunology
Leukemia, Myeloid, Acute - immunology
Receptors, CXCR4
title CD44 is involved in CXCL-12 induced acute myeloid leukemia HL-60 cell polarity
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