The Gene Expression Database (GXD) collects and integrates the gene expression information in MGI.
  • GXD's primary emphasis is on endogenous gene expression during mouse development.

  • Data are acquired from the literature by our curatorial staff and via direct submission from large-scale data providers, as well as individual labs. New expression data are made available on a weekly basis.

  • GXD currently collects detailed expression data from the following assay types: RNA in situ hybridization; Immunohistochemistry; in situ reporter (knock in); RT-PCR; Northern and Western blots; and RNase and Nuclease S1 protection assays

  • It is our curatorial policy to annotate expression patterns based solely on what is written in the manuscript; we do not interpret images presented within papers. We are happy to accept more detailed descriptions of expression patterns from authors and will update database entries accordingly.

  • GXD focuses on endogenous gene expression data in wild-type and mutant mice, including reporter data from knock-in experiments. Currently GXD does not include expression data from other types of transgenic animals, conditional knock-outs, chimeras, animals subjected to treatments, or from cultured material.