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Rab4a regulates vascular development in transgenic zebrafish. Fluorescence microscopy on representative (A) control, (B) Rab4a-depleted or (C) Rab11a-depleted zebrafish transgenic lines (morphants) expressing Fli1:EGFP. Arrows in panel B denote defects in blood vessel formation in Rab4a-depleted animals. (D) Immunoblotting of control, Rab4a- or Rab11a-depleted transgenic zebrafish extracts.
