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Fig. 8. XNBC2 expression. XNBC2 is expressed in the pronephros from stage 28. Up until stage 35, expression is present in both the early proximal and early distal segments, but at only very low levels in the intervening late proximal segment (see panel F, black arrow). The early distal expression decreases over time and cannot be detected by stage 35. From stage 35 onwards, strong expression is observed in the early proximal segment and the weak expression in the late proximal domain is also retained. |
