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Fig. 2. Colonies are derived from a single multipotent renal progenitor.
(A) One colony derived from a single cell of EGFP transgenic mesenchyme
at culture day 20. (B) RT-PCR of three independent wells containing a
single cell-derived colony after 20-day culture. Lanes 1-3: colonies; 4: organ
culture of E11.5 mesenchyme rudiments. (C) Lectin staining of
8-week-old adult kidney (left panel) and a single cell-derived colony (right)
with PNA (red, podocyte marker) and with LTL (green, proximal tubule marker).
(D) Staining of adult kidney (left panel) and a single cell-derived
colony (right) with E-cadherin (red, arrow, distal tubule marker) and with LTL
(green). Scale bars: 50 µm.