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Results
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Specimen
Table 1:
embryonic day 12.5
(more  )
Specimen
Table 1:
(close  )
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Genetic Background:
|
Swiss
|
|
Age:
|
embryonic day 12.5
|
|
Sex:
|
Not Specified
|
|
Type:
|
section
|
|
Fixation:
|
4% Paraformaldehyde
|
|
Embedding:
|
Paraffin
|
| Structure |
Level |
Pattern |
Image |
Note |
| TS20: midbrain |
Present |
|
|
|
| TS20: midbrain-hindbrain junction |
Present |
|
|
|
| TS20: hindbrain floor plate |
Absent |
|
|
Based on experiments using gene-specific probes, the observed expresion in the floor of the hindbrain is believed to be due to En1.
|
| TS20: spinal cord |
Absent |
|
|
Based on experiments using gene-specific probes, the observed expresion in the neural tube is believed to be due to En1.
|
| TS20: dermomyotome |
Absent |
|
|
Based on experiments using gene-specific probes, the observed expresion in the dermotome is believed to be due to En1.
|
| TS20: sclerotome |
Absent |
|
|
Based on experiments using gene-specific probes, the observed expresion in the sclerotome of developing centra is believed to be due to En1.
|
| TS20: vertebral cartilage condensation |
Absent |
|
|
Based on experiments using gene-specific probes, the observed expresion in the costal processes and neural arches is believed to be due to En1.
|
| TS20: head mesenchyme |
Absent |
|
|
Based on experiments using gene-specific probes, the observed expresion in the facial mesenchyme is believed to be due to En1.
|
| TS20: limb epithelium |
Absent |
|
|
Based on experiments using gene-specific probes, the observed expresion in the limb bud ectoderm is believed to be due to En1.
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| TS20: body wall |
Ambiguous |
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|
Based on experiments using gene-specific probes, the observed expresion in the thoracic body wall may be an artefact.
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Specimen
2A/B:
embryonic day 12.5
(more )
Specimen
2A/B:
(close )
|
Genetic Background:
|
Swiss
|
|
Age:
|
embryonic day 12.5
|
|
Sex:
|
Not Specified
|
|
Type:
|
section
|
|
Fixation:
|
4% Paraformaldehyde
|
|
Embedding:
|
Paraffin
|
| Structure |
Level |
Pattern |
Image |
Note |
| TS20: spinal cord |
Absent |
|
2A/B
|
Expression is present in the ventral part of the neural tube from the junction with the hindbrain to at least the level of the 30th segment posterior to the atlas. Based on experiments using gene-specific probes, this is believed to be due to En1.
|
| TS20: head mesenchyme |
Absent |
|
2A/B
|
Expression is present in the facial mesenchyme anterior to the forebrain, above the developing snout; there is no expression in the lateral parts of face. Based on experiments using gene-specific probes, this is believed to be due to En1.
|
| TS20: vibrissa |
Absent |
|
2A/B
|
|
| TS20: dermomyotome |
Absent |
|
2A/B
|
There is a complex pattern of expression. Based on experiments using gene-specific probes, this is believed to be due to En1.
|
| TS20: sclerotome |
Absent |
|
2A/B
|
There is a complex pattern of expression. Based on experiments using gene-specific probes, this is believed to be due to En1.
|
| TS20: midbrain |
Present |
|
2A/B
|
|
| TS20: midbrain-hindbrain junction |
Present |
|
2A/B
|
|
| TS20: vertebral cartilage condensation |
Absent |
|
2A/B
|
Based on experiments using gene-specific probes, the observed expression is believed to be due to En1.
|
Specimen
3A/B:
embryonic day 12.5
(more )
Note: sagittal section
Specimen
3A/B:
(close )
|
Genetic Background:
|
Swiss
|
|
Age:
|
embryonic day 12.5
|
|
Sex:
|
Not Specified
|
|
Type:
|
section
|
|
Fixation:
|
4% Paraformaldehyde
|
|
Embedding:
|
Paraffin
|
|
Note:
|
sagittal section
|
Specimen
4A/B:
embryonic day 12.5
(more )
Note: sagittal section in the posterior region of the embryo
Specimen
4A/B:
(close )
|
Genetic Background:
|
Swiss
|
|
Age:
|
embryonic day 12.5
|
|
Sex:
|
Not Specified
|
|
Type:
|
section
|
|
Fixation:
|
4% Paraformaldehyde
|
|
Embedding:
|
Paraffin
|
|
Note:
|
sagittal section in the posterior region of the embryo
|
| Structure |
Level |
Pattern |
Image |
Note |
| TS20: spinal cord |
Absent |
|
4A/B
|
Expression is present in the ventral part of the neural tube from the junction with the hindbrain to at least the level of the 30th segment posterior to the atlas. Based on experiments using gene-specific probes, this is believed to be is due to En1.
|
Specimen
5A/B:
embryonic day 12.5
(more )
Note: transverse section from the posterior region of the hindbrain
Specimen
5A/B:
(close )
|
Genetic Background:
|
Swiss
|
|
Age:
|
embryonic day 12.5
|
|
Sex:
|
Not Specified
|
|
Type:
|
section
|
|
Fixation:
|
4% Paraformaldehyde
|
|
Embedding:
|
Paraffin
|
|
Note:
|
transverse section from the posterior region of the hindbrain
|
| Structure |
Level |
Pattern |
Image |
Note |
| TS20: hindbrain |
Absent |
|
5A/B
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Expression is present in discrete domains in the germinal and intermediate zones. Based on experiments using gene-specific probes, this is believed to be due to En1.
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Specimen
5C/D:
embryonic day 12.5
(more )
Note: transverse section at the thoracic level
Specimen
5C/D:
(close )
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Genetic Background:
|
Swiss
|
|
Age:
|
embryonic day 12.5
|
|
Sex:
|
Not Specified
|
|
Type:
|
section
|
|
Fixation:
|
4% Paraformaldehyde
|
|
Embedding:
|
Paraffin
|
|
Note:
|
transverse section at the thoracic level
|
| Structure |
Level |
Pattern |
Image |
Note |
| TS20: spinal cord |
Absent |
|
5C/D
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Expression is present in bilaterally symmetrical regions in the ventral spinal cord. It is most intense in a restricted, midlateral region of the germinal zone. Based on experiments using gene-specific probes, this is believed to be due to En1.
|
Specimen
6A/B:
embryonic day 12.5
(more )
Note: transverse section
Specimen
6A/B:
(close )
|
Genetic Background:
|
Swiss
|
|
Age:
|
embryonic day 12.5
|
|
Sex:
|
Not Specified
|
|
Type:
|
section
|
|
Fixation:
|
4% Paraformaldehyde
|
|
Embedding:
|
Paraffin
|
|
Note:
|
transverse section
|
Specimen
7A/B:
embryonic day 12.5
(more )
Note: frontal section at the notochordal level
Specimen
7A/B:
(close )
|
Genetic Background:
|
Swiss
|
|
Age:
|
embryonic day 12.5
|
|
Sex:
|
Not Specified
|
|
Type:
|
section
|
|
Fixation:
|
4% Paraformaldehyde
|
|
Embedding:
|
Paraffin
|
|
Note:
|
frontal section at the notochordal level
|
| Structure |
Level |
Pattern |
Image |
Note |
| TS20: sclerotome |
Absent |
|
7A/B
|
Expression is present in the developing centrum. Based on experiments using gene-specific probes, this is believed to be due to En1. There is no expression in the prospective intervertebral disc area.
|
| TS20: cervical vertebral cartilage condensation |
Absent |
|
7A/B
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Expression is present in the developing costal processes. Based on experiments using gene-specific probes, this is believed to be due to En1.
|
| TS20: thoracic vertebral cartilage condensation |
Absent |
|
7A/B
|
Expression is present in the developing costal processes. Based on experiments using gene-specific probes, this is believed to be due to En1.
|
Specimen
7C/D:
embryonic day 12.5
(more )
Note: frontal section at the notochordal level
Specimen
7C/D:
(close )
|
Genetic Background:
|
Swiss
|
|
Age:
|
embryonic day 12.5
|
|
Sex:
|
Not Specified
|
|
Type:
|
section
|
|
Fixation:
|
4% Paraformaldehyde
|
|
Embedding:
|
Paraffin
|
|
Note:
|
frontal section at the notochordal level
|
| Structure |
Level |
Pattern |
Image |
Note |
| TS20: sclerotome |
Absent |
|
7C/D
|
Expression is present in the developing centrum. Based on experiments using gene-specific probes, this is believed to be due to En1. There is no expression in the prospective intervertebral disc area.
|
| TS20: cervical vertebral cartilage condensation |
Absent |
|
7C/D
|
Expression is present in the developing costal processes. Based on experiments using gene-specific probes, this is believed to be due to En1.
|
| TS20: thoracic vertebral cartilage condensation |
Absent |
|
7C/D
|
Expression is present in the developing costal processes. Based on experiments using gene-specific probes, this is believed to be due to En1.
|
Specimen
8A/B:
embryonic day 12.5
(more )
Note: sagittal section in the lower thoracic and lumbar region
Specimen
8A/B:
(close )
|
Genetic Background:
|
Swiss
|
|
Age:
|
embryonic day 12.5
|
|
Sex:
|
Not Specified
|
|
Type:
|
section
|
|
Fixation:
|
4% Paraformaldehyde
|
|
Embedding:
|
Paraffin
|
|
Note:
|
sagittal section in the lower thoracic and lumbar region
|
| Structure |
Level |
Pattern |
Image |
Note |
| TS20: lumbar vertebral cartilage condensation |
Absent |
|
8A/B
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Expression is present in segmental blocks of mesenchyme in the positions expected of the developing costal process. Based on experiments using gene-specific probes, this is believed to be due to En1.
|
| TS20: thoracic vertebral cartilage condensation |
Absent |
|
8A/B
|
Expression is present in segmental blocks of mesenchyme in the positions expected of the developing costal process. Based on experiments using gene-specific probes, this is believed to be due to En1.
|
Specimen
8C/D:
embryonic day 12.5
(more )
Note: sagittal section in the cervical and upper thoracic region
Specimen
8C/D:
(close )
|
Genetic Background:
|
Swiss
|
|
Age:
|
embryonic day 12.5
|
|
Sex:
|
Not Specified
|
|
Type:
|
section
|
|
Fixation:
|
4% Paraformaldehyde
|
|
Embedding:
|
Paraffin
|
|
Note:
|
sagittal section in the cervical and upper thoracic region
|
| Structure |
Level |
Pattern |
Image |
Note |
| TS20: cervical vertebral cartilage condensation |
Absent |
|
8C/D
|
Expression is present in the neural arches; it is most intense in the anterior part. Based on experiments using gene-specific probes, this expression is believed to be due to En1.
|
| TS20: thoracic vertebral cartilage condensation |
Absent |
|
8C/D
|
Expression is present in the neural arches; it is most intense in the anterior part. Based on experiments using gene-specific probes, this expression is believed to be due to En1.
|
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