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Fig. 6. Expression of Fgf8b mRNA in oocytes. (A)
Fgf8 mRNA was detected in oocytes in ovaries of both 12-day-old (12
day) and 22-day-old eCG-primed (22 day eCG) mice by in situ hybridization.
(Left) Brightfield images. (Right) Darkfield images. Scale bar: 500 µm.
(B) Schematic diagram of eight different Fgf8 isoforms,
Fgf8a-h [modified from MacArthur et al.
(MacArthur et al., 1995a)].
Positions of PCR primers used are indicated in the expanded region. (C)
Oocyte cDNA were amplified with PCR and the products were separated by agarose
electrophoresis. A representative gel photograph after ethidium bromide
staining is shown. Approximate sizes are shown on the y-axis (bp).
The numbers in parentheses indicate expected size of PCR products (bp).