Expression and function of miR-155 in breast cancer

Figures & data

Table 1. Studies identifying consistently upregulated miR-155 expression in breast cancer.

Country	Ethnicity	Samples	Source of controls	Genotyping method	Cases/control	Expression	Year	Reference
Canada	Caucasian	Tissues	Healthy people	TaqMan® density arrays	34/6	Up	2009	Hui et al. [21]
Germany	Caucasian	Serum	Healthy people	Real-time PCR	59/29	Up	2010	Roth et al. [22]
China	Asian	Tissues	Pericancerous tissues	MicroRNA microarray	8/8	Up	2008	Yan et al. [23]
China	Asian	Tissues	Healthy people	Real-time PCR	68/40	Up	2010	Wang et al. [24]
China	Asian	Tissues	Pericancerous tissues	Real-time PCR	45/45	Up	2010	Zhu et al. [25]
China	Asian	Tissues	Pericancerous tissues	Real-time PCR	45/45	Up	2011	Zheng et al. [26]
China	Asian	Serum	Healthy people	Real-time PCR	20/10	Up	2012	Liu et al. [27]
China	Asian	Tissues	Pericancerous tissues	Real-time PCR	92/92	Up	2012	Chen et al. [28]
China	Asian	Tissues/serum	Pericancerous tissues Healthy people	Real-time PCR	67/6767/70	Up	2012	Lu et al. [29]
China	Asian	Serum	Healthy people	Real-time PCR	103/55	Up	2012	Sun et al. [30]
Egypt	Egyptian	Tissues	Pericancerous tissues	Real-time PCR	40/40	Up	2012	Hafez et al. [31]
Italy	Caucasian	Tissues	Healthy people	MicroRNA microarray	76/34	Up	2005	Iorio et al. [7]
Italy	Caucasian	Tissues	Healthy people	MicroRNA microarray	363/177	Up	2006	Volinia et al. [32]
UK	Caucasian	Tissues	Healthy people	MicroRNA microarray	93/5	Up	2007	Blenkiron et al. [33]

Note: PCR: Polymerase chain reaction.

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