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Gene Expression Data
Assay Details
Assay
Reference: J:109334 Schafer K, et al., The homeobox gene Lbx1 specifies a subpopulation of cardiac neural crest necessary for normal heart development. Circ Res. 2003 Jan 10;92(1):73-80
Assay type: In situ reporter (knock in)
MGI Accession ID: MGI:5619121
Gene symbol: Lbx1
Gene name: ladybird homeobox 1
Reporter: lacZ
Direct Detection
Results
Specimen 1A: embryonic day 9.0; Lbx1tm1Thbr/Lbx1+ (more )
Structure Level Pattern Image Note
TS14: branchial arch mesenchyme derived from neural crest Present Clusters 1A Expressed in small clusters migrating from the neural tube to the caudal branchial arch.
TS14: heart Present Clusters 1A Expressed in small clusters migrating from the neural tube to the truncus arteriosus.

Specimen 1B: embryonic day 9.0; Lbx1tm1Thbr/Lbx1+ (more )
Structure Level Pattern Image Note
TS14: branchial arch mesenchyme derived from neural crest Present Clusters 1B Expressed in small clusters migrating from the neural tube to the caudal branchial arch.
TS14: heart Present Clusters 1B Expressed in small clusters migrating from the neural tube to the truncus arteriosus.

Specimen 1C: embryonic day 9.0; Lbx1tm1Thbr/Lbx1+ (more )
Structure Level Pattern Image Note
TS14: outflow tract Present Single cells 1C
TS14: cardiac muscle tissue Absent 1C

Specimen 1F: embryonic day 9.0; Lbx1tm1Thbr/Lbx1+ (more )
Structure Level Pattern Image Note
TS14: neural tube Present 1F
TS14: migrating neural crest Present Regionally restricted 1F Expressed in small clusters of cells leaving the neural tube.

Specimen 1G: embryonic day 9.0; Lbx1tm1Thbr/Lbx1+ (more )
Structure Level Pattern Image Note
TS14: outflow tract Present Single cells 1G
TS14: cardiac muscle tissue Absent 1G

Specimen 1H/M: embryonic day 9.0; Lbx1tm1Thbr/Lbx1+ (more )
Note: Double labeled: blue - Lbx1 reporter; brown - Gja5 (assay MGI:5619419).
Structure Level Pattern Image Note
TS14: migrating neural crest Present Single cells 1H , 1M Expressed in small clusters of cells leaving the neural tube to the caudal branchial arch and the truncus arteriosus. Positive cells were still relatively rare.

Specimen 1I: embryonic day 10.5; Lbx1tm1Thbr/Lbx1+ (more )
Structure Level Pattern Image Note
TS17: branchial arch mesenchyme derived from neural crest Present Regionally restricted 1I Expressed in a stream of cells that emerged from the dorsal region of the embryo and migrated ventrally to the developing heart.
TS17: embryo Present Regionally restricted 1I Expressed in the dorsal region.

Specimen 1J: embryonic day 11.0; Lbx1tm1Thbr/Lbx1+ (more )
Structure Level Pattern Image Note
TS18: primitive ventricle cardiac muscle Present Regionally restricted 1J Expressed in single cells in the myocardium of the left ventricle.

Specimen 1K: embryonic day 9.0; Lbx1tm1Thbr/Lbx1+ (more )
Structure Level Pattern Image Note
TS14: neural tube Present 1K
TS14: migrating neural crest Present Regionally restricted 1K Expressed in small clusters of cells leaving the neural tube.

Specimen 1L: embryonic day 9.0; Lbx1tm1Thbr/Lbx1+ (more )
Structure Level Pattern Image Note
TS14: outflow tract Present Single cells 1L
TS14: cardiac muscle tissue Absent 1L

Specimen 1N: embryonic day 10.5; Lbx1tm1Thbr/Lbx1+, Pax3Sp-1H/Pax3Sp-1H (more )
Structure Level Pattern Image Note
TS17: embryo Present Regionally restricted 1N Expressed in the dorsal region. The myogenic precursor cells migrating toward the branchial arch is absent, compared with the Lbx1 heterozygous embryo.

Specimen 1O: embryonic day 11.0; Lbx1tm1Thbr/Lbx1+ (more )
Structure Level Pattern Image Note
TS18: primitive ventricle cardiac muscle Present Regionally restricted 1O Expressed in single cells in the myocardium of the left ventricle.

Specimen 3A: embryonic day 11.0; Lbx1tm1Thbr/Lbx1+ (more )
Structure Level Pattern Image Note
TS18: embryo Present 3A

Specimen 3B: embryonic day 11.0; Lbx1tm1Thbr/Lbx1tm1Thbr (more )
Structure Level Pattern Image Note
TS18: embryo Present 3B

Specimen 7A: embryonic day 13.0; Lbx1tm1Thbr/Lbx1+ (more )
Structure Level Pattern Image Note
TS21: heart Absent 7A

Specimen 7B: embryonic day 13.0; Lbx1tm1Thbr/Lbx1+, Pax3Sp-1H/Pax3Sp-1H (more )
Structure Level Pattern Image Note
TS21: heart Present 7B A significant upregulation compared with the Lbx1 heterozygous embryo.

Specimen 7C: embryonic day 13.0; Lbx1tm1Thbr/Lbx1tm1Thbr (more )
Structure Level Pattern Image Note
TS21: heart Present 7C A significant upregulation compared with the Lbx1 heterozygous embryo.

Specimen 7D: embryonic day 12.5; Lbx1tm1Thbr/Lbx1+ (more )
Structure Level Pattern Image Note
TS20: heart Absent 7D

Specimen 7E: embryonic day 12.5; Lbx1tm1Thbr/Lbx1+, Pax3Sp-1H/Pax3Sp-1H (more )
Structure Level Pattern Image Note
TS20: heart Absent 7E

Specimen 7F: embryonic day 12.5; Lbx1tm1Thbr/Lbx1tm1Thbr (more )
Structure Level Pattern Image Note
TS20: heart Weak 7F

Specimen 7G: embryonic day 13.0; Lbx1tm1Thbr/Lbx1+ (more )
Structure Level Pattern Image Note
TS21: heart Absent 7G

Specimen 7H: embryonic day 13.0; Lbx1tm1Thbr/Lbx1+, Pax3Sp-1H/Pax3Sp-1H (more )
Structure Level Pattern Image Note
TS21: heart Present 7H A significant upregulation compared with the Lbx1 heterozygous embryo.

Specimen 7I: embryonic day 13.0; Lbx1tm1Thbr/Lbx1tm1Thbr (more )
Structure Level Pattern Image Note
TS21: heart Present 7I A significant upregulation compared with the Lbx1 heterozygous embryo.


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)
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last database update
04/23/2024
MGI 6.23
The Jackson Laboratory