β-galactosidase expression activated by B6.EIIa-cre in adult kidney
 A) Adult (8 weeks old) female kidney at 2X magnification. β-gal expression is strong throughout the kidney, and adrenal gland (upper right of image). |
 B) Adult (8 weeks old) male kidney at 2X magnification. β-gal expression is strong but more restricted in the male kidney. |
 C) The same section from A, at 20X magnification. β-gal is expressed in the majority of the kidney cells, and stronger in some. |
 D) β-gal is expressed more strongly in the collecting tubules of the kidney cortex (section from B, 20X magnification). |
| Note: The difference between β-gal expression for the male and female samples are just initial observations. No quantification was conducted to determine if a true sex-based difference is present with the B6.EIIa-cre line. Compare to P7 kidney. | |
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