کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
8470043 | 1549717 | 2011 | 8 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
HDAC6 is required for invadopodia activity and invasion by breast tumor cells
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کلمات کلیدی
موضوعات مرتبط
علوم زیستی و بیوفناوری
علوم کشاورزی و بیولوژیک
دانش گیاه شناسی
پیش نمایش صفحه اول مقاله
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چکیده انگلیسی
Invasion across tissue boundaries by metastatic tumor cells depends on the proteolytic degradation of the extracellular matrix, initiated by the formation of invadopodia, actin-driven membrane protrusions with matrix-degradative activity. Yet, mechanisms underlying invadopodia formation remain largely unknown. In this report, we examined the role of the histone deacetylase HDAC6 in invadopodia formation and invasion by breast cancer cells. Using small interfering RNA silencing of protein expression in highly invasive MDA-MB-231 breast adenocarcinoma cells, we show that HDAC6 is required for two-dimensional matrix proteolysis. In addition, we demonstrate that HDAC6 acts as a tubulin and cortactin deacetylase. We also report that the inhibition of HDAC6 by siRNA or treatment with HDAC inhibitor TSA results in a decreased invasion capacity of a three-dimensional type I collagen matrix by MDA-MB-231 cells. These data identify HDAC6 as a critical component of the invasive apparatus of tumor cells, in both two- and three-dimensional matrices.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: European Journal of Cell Biology - Volume 90, Issues 2â3, FebruaryâMarch 2011, Pages 128-135
Journal: European Journal of Cell Biology - Volume 90, Issues 2â3, FebruaryâMarch 2011, Pages 128-135
نویسندگان
Mercedes Rey, Marie Irondelle, François Waharte, Floria Lizarraga, Philippe Chavrier,