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Biocell
versão impressa ISSN 0327-9545
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ZHOU, Liping; GUO, Xiaolin; BA, Jing e ZHAO, Lianshuang. CD44 is involved in CXCL-12 induced acute myeloid leukemia HL-60 cell polarity. Biocell [online]. 2010, vol.34, n.2, pp.91-94. ISSN 0327-9545.
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.
Palavras-chave : Cell migration; Lamellipodia formation; Uropod formation; Hyaluronic acid.