# \#comparative-bio

**URL:** https://community.brain-map.org/tag/comparative-bio/24.md

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## [Comparing cross-organ gene expression levels: How much, and where are genes expressed?](https://community.brain-map.org/t/comparing-cross-organ-gene-expression-levels-how-much-and-where-are-genes-expressed/267)

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**Author:** [@brain](https://community.brain-map.org/u/brain)\
**Replies:** 2\
**Last updated:** [September 11, 2019, 9:57pm UTC](https://community.brain-map.org/t/comparing-cross-organ-gene-expression-levels-how-much-and-where-are-genes-expressed/267 "2019-09-11T21:57:13Z")

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We received a query from a scientist who seeks a list of CNS-specific genes, loosely defined as genes that are differentially expressed in the brain as compared to other tissues or organs in the body. This is a surpris…