β-galactosidase expression activated by B6.EIIa-cre in adult brain
 A) Adult (8 weeks old) female brain at 2X magnification. β-gal expression is strong throughout the entire brain. |
 B) Adult (8 weeks old) male brain at 2X magnification. β-gal expression is strong but restricted to specific parts of the brain. |
 C) The hippocamus from section A, at 10X magnification. β-gal expression is stronger here than the rest of the brain. |
 D) The dentate gyrus from section B, at 10X magnification. β-gal expression is stronger here than the rest of the brain. |
 E) A different brain section from an adult female, at 2X magnification. |
 F) The cerebellum from the section in A, at 10X 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 brain. | |
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