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Jag1 is the dominant ligand of N2 in the kidney. (A–D) Comparison of N1, N2, Dll1 and Jag1 expression in the developing nephron. (E–P) Phenotypes of newborn kidneys after ligand deletion. Scale bars: (A-D, M-P), 10µm; (E–L), 500µm. See also Figure S6.
