A novel tissue-specific meta-analysis approach for gene expression predictions, initiated with a mammalian gene expression testis database

Table 4 Results in response to queries for expression status of genes under different testicular conditions.

	No. of genes retrieved in response to different queries
Database¹	Normal testis (human)	Azoospermia (human)	Asthenozoospermia (human)	Testicular cancer² (human)	Adjudin treatment (rat)	Developmental stage-postnatal (mouse)
MGEx-Tdb	12753	5215	10	16617	10982	15209 (day 14)
BioGPS³	403	14	0	3	0	2
RefExA⁴	92	3	0	3	NA	NA
TissueDistributionDBs⁴	16124	4	0	2	0	0
UniGene⁴	18421	4	0	194	0	1⁵
HPRD	4249	2	0	0	NA	NA

Notes:
See additional file 9 for detailed methods;
NA: Not Applicable, i.e., data restricted to humans only in these databases;
¹The URLs are listed in the additional file 4.
²Querying with testis AND cancer retrieved 116 genes in BioGPS; "Germ cell cancer" in testis retrieved 9655 genes (10042 hits) in TissueDistributionDBs and "Germ cell tumor" in testis retrieved 14874 genes (18130 hits) in UniGene and 2 genes in HPRD.
³Includes results from human, mouse & rat species (search can not be restricted to specific species).
⁴Number of genes in the results corresponding to different queries: probe names in case of RefExA & cluster IDs in case of UniGene & TissueDistributionDBs.
⁵Querying with alternative equivalent terms of postnatal (neonate) retrieved 10467 genes (11519 hits) in UniGene.

ISSN: 1471-2164