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. 2015 Dec 10;5(4):e1102827. doi: 10.1080/2162402X.2015.1102827

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© 2016 The Author(s). Published with license by Taylor & Francis Group, LLC

This is an Open Access article distributed under the terms of the Creative Commons Attribution-Non-Commercial License http://creativecommons.org/licenses/by-nc/3.0/, which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited. The moral rights of the named author(s) have been asserted.

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Figure 1. — Principle component analysis and hierarchical clustering of relative gene expression in CTC-enriched samples. (A) Principal component analysis represents the differential gene expression pattern of CTC-enriched samples (black squares, n = 4) and healthy controls (white squares, n = 4). Axis: X = PC1: PCA Component 1 (71.98% variance); Y = PC2: PCA Component 2 (93.35% variance) Z = PC3: PCA Component 3 (96.94% variance). (B) Heat map depicting the expression levels of mRNAs in the CTC-enriched samples (CTC, n = 4) compared with their expression levels in healthy controls (n = 4). The red and green squares indicate high and low mRNA levels, respectively.