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Gene Expression Data
Assay Details
Assay
Reference: J:171409 GUDMAP Consortium, GUDMAP: the GenitoUrinary Development Molecular Anatomy Project. www.gudmap.org. 2004;
Assay type: RNA in situ
MGI Accession ID: MGI:5540862
Gene symbol: Gja1
Gene name: gap junction protein, alpha 1
Probe: RIKEN clone 2610019D21 subclone
Probe preparation: Antisense labelled with digoxigenin RNA
Visualized with: Alkaline phosphatase
Results
Specimen GUDMAP:7371: embryonic day 10.5 (more )
Note: This specimen was generated and annotated by the lab of Melissa H. Little, Murdoch Children's Research Institute. Labeling was visualized using BM purple.
Structure Level Pattern Image Note
TS17: mesonephros Present GUDMAP:7371
TS17: mesonephric tubule Present GUDMAP:7371 expression in the mesonephric glomeruli
TS17: gonad primordium Absent GUDMAP:7371
TS17: metanephric mesenchyme Absent GUDMAP:7371
TS17: nephric duct Ambiguous GUDMAP:7371
TS17: nephric duct, mesonephric portion Ambiguous GUDMAP:7371 signal may be in mesonephric mesenchyme surrounding the duct
TS17: mesonephros mesenchyme Ambiguous GUDMAP:7371 signal may be background staining
TS17: caudal mesonephric tubule Present GUDMAP:7371

Specimen GUDMAP:7372: embryonic day 12.5 (more )
Note: This specimen was generated and annotated by the lab of Melissa H. Little, Murdoch Children's Research Institute. Labeling was visualized using BM purple.
Structure Level Pattern Image Note
TS20: primitive bladder Present GUDMAP:7372
TS20: metanephros Present GUDMAP:7372 signal is possible in the ureteric tips
TS20: urogenital mesentery Absent GUDMAP:7372
TS20: nephric duct, metanephric portion Ambiguous GUDMAP:7372

Specimen GUDMAP:7373: embryonic day 12.5 (more )
Note: This specimen was generated and annotated by the lab of Melissa H. Little, Murdoch Children's Research Institute. Labeling was visualized using BM purple.
Structure Level Pattern Image Note
TS20: testis Present GUDMAP:7373 strongest signal in primary sex cord but there may be signal in other regions of testis
TS20: primary sex cord Present Spotted GUDMAP:7373
TS20: mesonephros of male Present GUDMAP:7373
TS20: paramesonephric duct of male, rest of Present GUDMAP:7373
TS20: nephric duct of male, mesonephric portion Present GUDMAP:7373
TS20: nephric duct, metanephric portion Present GUDMAP:7373
TS20: paramesonephric duct of male, mesonephric portion Present GUDMAP:7373
TS20: mesonephric mesenchyme of male Absent GUDMAP:7373

Specimen GUDMAP:7374: embryonic day 12.5 (more )
Note: This specimen was generated and annotated by the lab of Melissa H. Little, Murdoch Children's Research Institute. Labeling was visualized using BM purple.
Structure Level Pattern Image Note
TS20: ovary Present Spotted GUDMAP:7374 spotted signal in ovary appears to be interstitial rather than germ cell
TS20: female reproductive system Present GUDMAP:7374
TS20: paramesonephric duct of female, mesonephric portion Present GUDMAP:7374
TS20: nephric duct, metanephric portion Present GUDMAP:7374
TS20: mesonephric mesenchyme of female Absent GUDMAP:7374

Specimen GUDMAP:7744: embryonic day 15.5 (more )
Note: This specimen was generated and annotated by the lab of Melissa H. Little, Murdoch Children's Research Institute. Labeling was visualized using BM purple.
Structure Level Pattern Image Note
TS23: urinary system Present GUDMAP:7744
TS23: metanephros Present GUDMAP:7744 signal appears specific to the renal interstitium; signal appears absent from the mesangium components of the interstitium
TS23: nephrogenic zone Present GUDMAP:7744
TS23: nephrogenic interstitium Present GUDMAP:7744
TS23: renal cortex Present GUDMAP:7744
TS23: renal cortical interstitium Present GUDMAP:7744
TS23: renal medulla Present GUDMAP:7744
TS23: renal medullary interstitium Present GUDMAP:7744
TS23: renal pelvis Present GUDMAP:7744
TS23: perihilar interstitium Present GUDMAP:7744
TS23: pelvic smooth muscle Present GUDMAP:7744
TS23: ureter Present GUDMAP:7744
TS23: ureteral mesenchyme Present GUDMAP:7744
TS23: ureteral smooth muscle layer Present GUDMAP:7744
TS23: ureteral mesenchyme outer layer Present GUDMAP:7744
TS23: pelvic urothelial lining Present GUDMAP:7744
TS23: collecting duct Absent GUDMAP:7744
TS23: urothelium of ureter Absent GUDMAP:7744
TS23: renal vesicle Ambiguous GUDMAP:7744
TS23: pretubular aggregate Ambiguous GUDMAP:7744
TS23: comma-shaped body Ambiguous GUDMAP:7744
TS23: s-shaped body Ambiguous GUDMAP:7744
TS23: developing capillary loop stage nephron group Ambiguous GUDMAP:7744
TS23: maturing nephron Ambiguous GUDMAP:7744

Specimen GUDMAP:7745: embryonic day 15.5 (more )
Note: This specimen was generated and annotated by the lab of Melissa H. Little, Murdoch Children's Research Institute. Labeling was visualized using BM purple.
Structure Level Pattern Image Note
TS23: male reproductive system Present GUDMAP:7745
TS23: mesonephros of male Present GUDMAP:7745
TS23: mesonephric mesenchyme of male Present Regionally restricted GUDMAP:7745 specific strong expression immediately surrounding the paramesonephric duct
TS23: degenerating mesonephric portion of male paramesonephric duct Present GUDMAP:7745 strong signal in the mesenchyme of the paramesonephric duct; there may be weak expression in the epithelium
TS23: cranial mesonephric tubule of male Present GUDMAP:7745 subset show expression
TS23: coelomic epithelium of male mesonephros Present GUDMAP:7745
TS23: testis Present GUDMAP:7745
TS23: coelomic epithelium of testis Present GUDMAP:7745
TS23: interstitium of the testis Present GUDMAP:7745 subset of the interstitium in center of testis shows strong expression and appears absent from tissue adjacent to coelomic epithelium
TS23: seminiferous cord Present GUDMAP:7745

Specimen GUDMAP:7746: embryonic day 15.5 (more )
Note: This specimen was generated and annotated by the lab of Melissa H. Little, Murdoch Children's Research Institute. Labeling was visualized using BM purple.
Structure Level Pattern Image Note
TS23: bladder Ambiguous GUDMAP:7746
TS23: urothelium of bladder Ambiguous GUDMAP:7746

Specimen GUDMAP:7816: embryonic day 15.5 (more )
Note: This specimen was generated and annotated by the lab of Melissa H. Little, Murdoch Children's Research Institute. Labeling was visualized using BM purple.
Structure Level Pattern Image Note
TS23: female reproductive system Present GUDMAP:7816
TS23: ovary Present GUDMAP:7816 strong ubiquitous signal
TS23: surface epithelium of ovary Present GUDMAP:7816
TS23: mesenchymal stroma of ovary Present GUDMAP:7816
TS23: rete ovarii of ovary Present GUDMAP:7816 strong signal
TS23: mesonephros of female Present GUDMAP:7816
TS23: coelomic epithelium of female mesonephros Present GUDMAP:7816
TS23: rete ovarii of mesonephros Present GUDMAP:7816 strong signal
TS23: mesonephric mesenchyme of female Present GUDMAP:7816 signal is weak with moderate signal surrounding paramesonephric duct
TS23: degenerating mesonephric tubule of female Present GUDMAP:7816 weak signal
TS23: degenerating mesonephric portion of nephric duct of female Present GUDMAP:7816 weak signal
TS23: paramesonephric duct of female, mesonephric portion Present GUDMAP:7816 strong signal


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Mouse Genome Database (MGD), Gene Expression Database (GXD), Mouse Models of Human Cancer database (MMHCdb) (formerly Mouse Tumor Biology (MTB)), Gene Ontology (GO)
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last database update
12/30/2025
MGI 6.24
The Jackson Laboratory