Figure 1: Expression of β1AR, β2AR, β3AR, α1A, α1B, and α1D receptors and M1, M2, M3, M4, and M5 receptors mRNA in Leydig cells of adult mouse testis. β1AR, β2AR, α1D, M1, and M3 receptors. PCR products of 441 bp, 468 bp, 617 bp, 417 bp, and 497 bp visualized by ethidium bromide staining are shown. D2000, size marker.