Downregulation of miR-92a is associated with aggressive breast cancer features and increased tumour macrophage infiltration.
Nilsson, Sofie Möller, C Jirström, K Lee, Alexander Busch, Susann Lamb, Rebecca Landberg, Göran
Nilsson, Sofie
Möller, C
Jirström, K
Lee, Alexander
Busch, Susann
Lamb, Rebecca
Landberg, Göran
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Abstract
MicroRNAs are small non-coding RNAs involved in the regulation of gene expression on a posttranscriptional level. These regulatory RNAs have been implicated in numerous cellular processes and are further deregulated in different cancer types, including breast cancer. MiR-92a is part of the miR-17∼92 cluster, which was first reported to be linked to tumourigenesis. However, little is known about the expression of miR-92a in breast cancer and potential associations to tumour properties. The expression of miR-92a was therefore characterized in 144 invasive breast cancer samples using in situ hybridization and related to clinico-pathological data as well as to selected key properties of the tumour stroma, including the presence of macrophages (CD68) and cancer activated fibroblasts (alpha-SMA).
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Date
2012
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Article
Citation
Downregulation of miR-92a is associated with aggressive breast cancer features and increased tumour macrophage infiltration. 2012, 7 (4):e36051 PLoS ONE