Figure 5.

The expression patterns of RHOXF2 determined by qPCR in humans(a), chimpanzee(b), white-browed gibbon(c) and rhesus macaque(d). The relative expression levels were calculated by setting the expression level in testicle as "1". For the human samples, Brain 1(40 yrs), Brain 2 (28 yrs), Brain 3 (newborn, 1 month) and testicle (76 yrs) are all male individuals. The human embryo is a 36-weeks female. The ages of the nonhuman primate samples are 2 yrs for the male chimpanzee, 6 yrs for the male white-browed gibbon and 20 yrs for the male rhesus macaque. "NC" refers to negative control. The detailed sample information of the nonhuman primate species is described in Materials and Methods.

Niu et al. BMC Evolutionary Biology 2011 11:298   doi:10.1186/1471-2148-11-298
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