About   Help   FAQ
Gene Expression Data
Assay Details
Assay
Reference: J:79853 Liu C, et al., Pitx2c patterns anterior myocardium and aortic arch vessels and is required for local cell movement into atrioventricular cushions. Development. 2002 Nov;129(21):5081-91
Assay type: Recombinase reporter
MGI Accession ID: MGI:4834531
Gene symbol: Pitx2
Gene name: paired-like homeodomain transcription factor 2
Reporter: lacZ
Direct Detection
Results
Specimen Fig. 6A: embryonic day 10.5; Gt(ROSA)26Sortm1Sor/Gt(ROSA)26Sor+, Pitx2tm4(cre)Jfm/Pitx2+ (more )
Note: Conditional mutant.
Structure Level Pattern Image Note
TS17: cardiac muscle tissue Present 6A Staining is observed in cells in the outflow tract myocardium.
TS17: outflow tract Present 6A Staining is observed in cells in the outflow tract myocardium.

Specimen Fig. 6B: embryonic day 10.5; Gt(ROSA)26Sortm1Sor/Gt(ROSA)26Sor+, Pitx2tm4(cre)Jfm/Pitx2tm3.1Jfm (more )
Note: Conditional mutant.
Structure Level Pattern Image Note
TS17: cardiac muscle tissue Present 6B Staining is observed in cells in the outflow tract myocardium.
TS17: outflow tract Present 6B Staining is observed in cells in the outflow tract myocardium.

Specimen Fig. 6C: embryonic day 12.5; Gt(ROSA)26Sortm1Sor/Gt(ROSA)26Sor+, Pitx2tm4(cre)Jfm/Pitx2+ (more )
Note: Conditional mutant.
Structure Level Pattern Image Note
TS20: cardiac muscle tissue Present Regionally restricted 6C Staining is observed in the myocardium overlying the interventricular groove.
TS20: interventricular groove Present Regionally restricted 6C Staining is observed in the myocardium overlying the interventricular groove.
TS20: outflow tract Present Regionally restricted 6C Staining is observed in some cells in the proximal outflow tract.

Specimen Fig. 6E: embryonic day 14.5; Gt(ROSA)26Sortm1Sor/Gt(ROSA)26Sor+, Pitx2tm4(cre)Jfm/Pitx2+ (more )
Note: Conditional mutant.
Structure Level Pattern Image Note
TS22: cardiac muscle tissue Present Regionally restricted 6E Staining is observed over more of the medial aspect of the heart.
TS22: heart Present Regionally restricted 6E Staining is observed over more of the medial aspect of the heart.
TS22: right ventricle cardiac muscle Present 6E Staining is observed in descesdents of right ventriucular and inner curvature myocardium.

Specimen Fig. 6G: embryonic day 16.5; Gt(ROSA)26Sortm1Sor/Gt(ROSA)26Sor+, Pitx2tm4(cre)Jfm/Pitx2+ (more )
Note: Conditional mutant.
Structure Level Pattern Image Note
TS24: cardiac muscle tissue Present Regionally restricted 6G Staining is observed over more of the medial aspect of the heart.
TS24: heart Present Regionally restricted 6G Staining is observed over more of the medial aspect of the heart.
TS24: right ventricle cardiac muscle Present 6G Staining is observed in descesdents of right ventriucular and inner curvature myocardium.

Specimen Fig. 6I: embryonic day 16.0; Gt(ROSA)26Sortm1Sor/Gt(ROSA)26Sor+, Pitx2tm4(cre)Jfm/Pitx2+ (more )
Note: Conditional mutant. Coronal section through heart.
Structure Level Pattern Image Note
TS24: cardiac muscle tissue Present 6I Staining is observed in cells in the proximal outflow tract myocardium.
TS24: heart Present 6I Staining is observed in cells in the proximal outflow tract myocardium.
TS24: interatrial septum Present 6I Staining is observed in cells of the remodeled membranous and muscular septa.
TS24: interventricular septum Present 6I Staining is observed in cells of the remodeled membranous and muscular septa.

Specimen Fig. 6J: embryonic day 16.0; Gt(ROSA)26Sortm1Sor/Gt(ROSA)26Sor+, Pitx2tm4(cre)Jfm/Pitx2+ (more )
Note: Conditional mutant. Coronal section through heart.
Structure Level Pattern Image Note
TS24: cardiac muscle tissue Present 6J Staining is observed in cells in the proximal outflow tract myocardium.
TS24: heart Present 6J Staining is observed in cells in the proximal outflow tract myocardium.
TS24: interatrial septum Present 6J Staining is observed in cells of the remodeled membranous and muscular septa.
TS24: interventricular septum Present 6J Staining is observed in cells of the remodeled membranous and muscular septa.

Specimen Fig. 6K: embryonic day 14.5; Gt(ROSA)26Sortm1Sor/Gt(ROSA)26Sor+, Pitx2tm4(cre)Jfm/Pitx2+ (more )
Note: Conditional mutant.
Structure Level Pattern Image Note
TS22: cardiac muscle tissue Present 6K Staining is observed in the right inner curvature myocardium.
TS22: heart Present 6K Staining is observed in the right inner curvature myocardium.
TS22: right ventricle cardiac muscle Present 6K

Specimen Fig. 6L: embryonic day 14.5; Gt(ROSA)26Sortm1Sor/Gt(ROSA)26Sor+, Pitx2tm4(cre)Jfm/Pitx2tm3.1Jfm (more )
Note: Conditional mutant.
Structure Level Pattern Image Note
TS22: cardiac muscle tissue Present Regionally restricted 6L Staining is observed in fewer cells in the right inner curvature myocardium than in Pitx2<sup>+/-</sup> R26 mice.
TS22: heart Present Regionally restricted 6L Staining is observed in fewer cells in the right inner curvature myocardium than in Pitx2<sup>+/-</sup> R26 mice.
TS22: right ventricle cardiac muscle Present 6L Staining is observed in fewer cells in the right ventricular myocardium than in Pitx2<sup>+/-</sup> R26 mice.

Specimen Fig. 6M: embryonic day 16.5; Gt(ROSA)26Sortm1Sor/Gt(ROSA)26Sor+, Pitx2tm4(cre)Jfm/Pitx2+ (more )
Note: Conditional mutant.
Structure Level Pattern Image Note
TS24: cardiac muscle tissue Present Regionally restricted 6M Staining is observed in the right inner curvature myocardium.
TS24: heart Present Regionally restricted 6M Staining is observed in the right inner curvature myocardium.
TS24: right ventricle cardiac muscle Present 6M

Specimen Fig. 6N: embryonic day 16.5; Gt(ROSA)26Sortm1Sor/Gt(ROSA)26Sor+, Pitx2tm4(cre)Jfm/Pitx2tm3.1Jfm (more )
Note: Conditional mutant.
Structure Level Pattern Image Note
TS24: cardiac muscle tissue Present Regionally restricted 6N Staining is observed in fewer cells in the right inner curvature myocardium than in Pitx2<sup>+/-</sup> R26 mice.
TS24: heart Present Regionally restricted 6N Staining is observed in fewer cells in the right inner curvature myocardium than in Pitx2<sup>+/-</sup> R26 mice.
TS24: right ventricle cardiac muscle Present 6N Staining is observed in fewer cells in the right ventricular myocardium than in Pitx2<sup>+/-</sup> R26 mice.

Specimen Fig. 6O: embryonic day 16.5; Gt(ROSA)26Sortm1Sor/Gt(ROSA)26Sor+, Pitx2tm4(cre)Jfm/Pitx2+ (more )
Note: Conditional mutant. Transverse section. Figure legend indicates age of E16.5 but text indicates E18.5.
Structure Level Pattern Image Note
TS24: cardiac muscle tissue Present 6O Staining is observed in the myocardium.
TS24: heart Present 6O Staining is observed in the myocardium.

Specimen Fig. 6P: embryonic day 16.5; Gt(ROSA)26Sortm1Sor/Gt(ROSA)26Sor+, Pitx2tm4(cre)Jfm/Pitx2tm3.1Jfm (more )
Note: Conditional mutant. Transverse section. Figure legend indicates age of E16.5 but text indicates E18.5.
Structure Level Pattern Image Note
TS24: cardiac muscle tissue Present Regionally restricted 6P No staining is observed in the myocardium near the cardiac apex.
TS24: heart Present Regionally restricted 6P No staining is observed in the myocardium near the cardiac apex.

Specimen Fig. 6Q: embryonic day 16.5; Gt(ROSA)26Sortm1Sor/Gt(ROSA)26Sor+, Pitx2tm4(cre)Jfm/Pitx2+ (more )
Note: Conditional mutant. Transverse section. Figure legend indicates age of E16.5 but text indicates E18.5.
Structure Level Pattern Image Note
TS24: cardiac muscle tissue Present Regionally restricted 6Q Staining is observed in some cells in the myocardium of more caudal regions near the cardiac apex.
TS24: heart Present Regionally restricted 6Q Staining is observed in some cells in the myocardium of more caudal regions near the cardiac apex.

Specimen Fig. 6R: embryonic day 16.5; Gt(ROSA)26Sortm1Sor/Gt(ROSA)26Sor+, Pitx2tm4(cre)Jfm/Pitx2tm3.1Jfm (more )
Note: Conditional mutant. Transverse section. Figure legend indicates age of E16.5 but text indicates E18.5.
Structure Level Pattern Image Note
TS24: cardiac muscle tissue Present Regionally restricted 6R No staining is observed in the myocardium near the cardiac apex.
TS24: heart Present Regionally restricted 6R No staining is observed in the myocardium near the cardiac apex.

Specimen Fig. 6S: embryonic day 12.5; Gt(ROSA)26Sortm1Sor/Gt(ROSA)26Sor+, Pitx2tm4(cre)Jfm/Pitx2+ (more )
Note: Conditional mutant. Transverse section.
Structure Level Pattern Image Note
TS20: atrioventricular endocardial cushion Present 6S Staining is observed in the AV cushion mesenchyme.

Specimen Fig. 6T: embryonic day 12.5; Gt(ROSA)26Sortm1Sor/Gt(ROSA)26Sor+, Pitx2tm4(cre)Jfm/Pitx2tm3.1Jfm (more )
Note: Conditional mutant. Transverse section.
Structure Level Pattern Image Note
TS20: atrioventricular endocardial cushion Absent 6T

Specimen Fig. 6U: embryonic day 14.5; Gt(ROSA)26Sortm1Sor/Gt(ROSA)26Sor+, Pitx2tm4(cre)Jfm/Pitx2tm3.1Jfm (more )
Note: Conditional mutant. Coronal section.
Structure Level Pattern Image Note
TS22: atrioventricular endocardial cushion Absent 6U

Specimen Fig. 6V: embryonic day 16.5; Gt(ROSA)26Sortm1Sor/Gt(ROSA)26Sor+, Pitx2tm4(cre)Jfm/Pitx2+ (more )
Note: Conditional mutant. Coronal section.
Structure Level Pattern Image Note
TS24: mitral valve leaflet Present 6V Staining is observed in cells of the AV valve leaflets.
TS24: tricuspid valve leaflet Present 6V Staining is observed in cells of the AV valve leaflets.

Specimen Fig. 6W: embryonic day 16.5; Gt(ROSA)26Sortm1Sor/Gt(ROSA)26Sor+, Pitx2tm4(cre)Jfm/Pitx2tm3.1Jfm (more )
Note: Conditional mutant. Coronal section.
Structure Level Pattern Image Note
TS24: mitral valve leaflet Absent 6W No staining is observed in the AV valve leaflets.
TS24: tricuspid valve leaflet Absent 6W No staining is observed in the AV valve leaflets.


Contributing Projects:
Mouse Genome Database (MGD), Gene Expression Database (GXD), Mouse Models of Human Cancer database (MMHCdb) (formerly Mouse Tumor Biology (MTB)), Gene Ontology (GO)
Citing These Resources
Funding Information
Warranty Disclaimer, Privacy Notice, Licensing, & Copyright
Send questions and comments to User Support.
last database update
03/25/2025
MGI 6.24
The Jackson Laboratory