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. 2010 May 17;11(1):59. doi: 10.1186/1465-9921-11-59

Figure 5.

Figure 5

Quantitative RT-PCR analysis of claudin-1 (5A), claudin-3 (5B) and claudin-4 (5C) expression of RNA isolated from paraffin embedded lung tissue samples. Each bar represents a single lung sample from weeks 13 to 42 related to adult lung (value = 1). The analyses show a great individual variability in the expression of all claudins analysed. Expression of claudin-1 RNA increases towards the end of gestation, whereas RNA expressions of claudin-3 and -4 are at their highest in the canalicular period.