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Gene Expression Data
Assay Details
Assay
Reference: J:21762 Butterweck A, et al., Differential expression of the gap junction proteins connexin45, -43, -40, -31, and -26 in mouse skin. Eur J Cell Biol. 1994 Oct;65(1):152-63
Assay type: Immunohistochemistry
MGI Accession ID: MGI:4839021
Gene symbol: Gja1
Gene name: gap junction protein, alpha 1
Antibody: anti-Cx43
Detection system: Secondary antibody coupled to fluorescein
Assay notes: Sections were fixed in cold absolute ethanol for 5 minutes.
Results
Specimen 1c,d: embryonic day 19.0 (more )
Structure Level Pattern Image Note
TS26: epidermis basal layer Strong 1c , 1d
TS26: epidermis spinous layer Weak 1c , 1d

Specimen 2c,d: postnatal adult (more )
Structure Level Pattern Image Note
TS28: epidermis basal layer Present 2c , 2d
TS28: epidermis spinous layer Present 2c , 2d

Specimen 3c,d: embryonic day 19.0 (more )
Structure Level Pattern Image Note
TS26: hair inner root sheath Weak Spotted 3d , 3c Faint spots of expression in inner and outer epithelial root sheaths.
TS26: hair outer root sheath Weak Spotted 3d , 3c Faint spots of expression in inner and outer epithelial root sheaths.

Specimen 4c,d: postnatal adult (more )
Structure Level Pattern Image Note
TS28: hair outer root sheath Present 4c , 4d
TS28: sebaceous gland Weak 4c , 4d

Specimen Table I - E19: embryonic day 19.0 (more )
Structure Level Pattern Image Note
TS26: epidermis basal layer Strong
TS26: epidermis spinous layer Weak
TS26: epidermis cornified layer Absent
TS26: epidermis granular layer Absent

Specimen Table I - Adult: postnatal adult (more )
Structure Level Pattern Image Note
TS28: epidermis basal layer Moderate
TS28: epidermis spinous layer Weak
TS28: epidermis cornified layer Absent
TS28: epidermis granular layer Absent

Specimen Table II - E19: embryonic day 19.0 (more )
Structure Level Pattern Image Note
TS26: hair inner root sheath Weak
TS26: hair outer root sheath Moderate

Specimen Table II - E19: postnatal adult (more )
Structure Level Pattern Image Note
TS28: hair inner root sheath Absent
TS28: hair outer root sheath Moderate
TS28: sebaceous gland Weak


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
12/30/2025
MGI 6.24
The Jackson Laboratory