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Effects of RA and BMP2 on the levels of RARα and RARβ mRNAs in cultured SCG neurons. SCG neurons were treated with 10−7m RA and/or 10 ng/ml BMP2 in the presence of 40 ng/ml NGF for 4 d. Levels of RARα and RARβ mRNAs were measured by RT-PCR. Each column represents the mean and range of two independent RNA samples. Eachpanel is a representative of two independent experiments that gave similar results.
