About   Help   FAQ
Gene Expression Data
Assay Details
Assay
Reference: J:248919 Yu W, et al., Irx1 regulates dental outer enamel epithelial and lung alveolar type II epithelial differentiation. Dev Biol. 2017 Sep 1;429(1):44-55
Assay type: In situ reporter (knock in)
MGI Accession ID: MGI:7258174
Gene symbol: Irx1
Gene name: Iroquois homeobox 1
Reporter: lacZ
Direct Detection
Assay notes: Specimens fixed in 1% formaldehyde, 0.2% glutaraldehyde.
Results
Specimen 2A: embryonic day 10.5; Irx1tm1(KOMP)Vlcg/Irx1+ (more )
Structure Level Pattern Image Note
TS17: embryo Strong Regionally restricted 2A Highly expressed in brain, somites, lung, kidney, reproductive organs, eye, limb buds and digits.

Specimen 2B: embryonic day 11.5; Irx1tm1(KOMP)Vlcg/Irx1+ (more )
Structure Level Pattern Image Note
TS19: embryo Strong Regionally restricted 2B Highly expressed in brain, somites, lung, kidney, reproductive organs, eye, limb buds and digits.

Specimen 2C: embryonic day 12.5; Irx1tm1(KOMP)Vlcg/Irx1+ (more )
Structure Level Pattern Image Note
TS20: embryo Strong Regionally restricted 2C Highly expressed in brain, somites, lung, kidney, reproductive organs, eye, limb buds and digits.

Specimen 2D: embryonic day 13.5; Irx1tm1(KOMP)Vlcg/Irx1+ (more )
Structure Level Pattern Image Note
TS21: embryo Strong Regionally restricted 2D Highly expressed in brain, somites, lung, kidney, reproductive organs, eye, limb buds and digits.

Specimen 2E: postnatal adult; Irx1tm1(KOMP)Vlcg/Irx1+ (more )
Structure Level Pattern Image Note
TS28: brain Present Regionally restricted 2E Expression in mid-brain.

Specimen 2F: postnatal adult; Irx1tm1(KOMP)Vlcg/Irx1+ (more )
Structure Level Pattern Image Note
TS28: lung Present 2F

Specimen 2G: postnatal adult; Irx1tm1(KOMP)Vlcg/Irx1+ (more )
Structure Level Pattern Image Note
TS28: lung Present 2G

Specimen 2H: postnatal adult; Irx1tm1(KOMP)Vlcg/Irx1+ (more )
Structure Level Pattern Image Note
TS28: epididymis Present 2H
TS28: testis Present 2H

Specimen 2I: postnatal adult; Irx1tm1(KOMP)Vlcg/Irx1+ (more )
Structure Level Pattern Image Note
TS28: hair follicle Present 2I

Specimen 2J: postnatal adult; Irx1tm1(KOMP)Vlcg/Irx1+ (more )
Structure Level Pattern Image Note
TS28: alveolus epithelium Present 2J

Specimen 2K: postnatal adult; Irx1tm1(KOMP)Vlcg/Irx1+ (more )
Structure Level Pattern Image Note
TS28: renal tubule Present Regionally restricted 2K Expression in intermediate tubules.

Specimen 2L: postnatal adult; Irx1tm1(KOMP)Vlcg/Irx1+ (more )
Structure Level Pattern Image Note
TS28: spermatocyte Present 2L
TS28: testis Present 2L

Specimen 3A E10.5: embryonic day 10.5; Irx1tm1(KOMP)Vlcg/Irx1+ (more )
Structure Level Pattern Image Note
TS17: oral region Present Regionally restricted 3A E10.5 At early stages, expression in entire dental epithelial cell population, including the vestibular lamina.

Specimen 3A E11.5: embryonic day 11.5; Irx1tm1(KOMP)Vlcg/Irx1+ (more )
Structure Level Pattern Image Note
TS19: dental placode Present Regionally restricted 3A E11.5 At early stages, expression in entire dental epithelial cell population, including the vestibular lamina.

Specimen 3A E12.5: embryonic day 12.5; Irx1tm1(KOMP)Vlcg/Irx1+ (more )
Structure Level Pattern Image Note
TS20: tooth bud Present 3A E12.5 At early stages, expression in entire dental epithelial cell population, including the vestibular lamina.

Specimen 3A E13.5: embryonic day 13.5; Irx1tm1(KOMP)Vlcg/Irx1+ (more )
Structure Level Pattern Image Note
TS21: lower jaw incisor epithelium Present 3A E13.5 Expression narrowed to dental epithelium.

Specimen 3A E15: embryonic day 15.0; Irx1tm1(KOMP)Vlcg/Irx1+ (more )
Structure Level Pattern Image Note
TS23: cap stage tooth Present Regionally restricted 3A E15 At cap stage, expression limited to area adjacent to oral cavity.

Specimen 3C lower incisor: postnatal day 0; Irx1tm1(KOMP)Vlcg/Irx1+ (more )
Structure Level Pattern Image Note
TS27: lower jaw incisor enamel organ Present Regionally restricted 3C lower incisor In late bell stage teeth, expression limited to outer enamel epithelium, stratum intermedium and stellate reticulum

Specimen 3C lower incisor (inset left): postnatal day 0; Irx1tm1(KOMP)Vlcg/Irx1+ (more )
Structure Level Pattern Image Note
TS27: lower jaw incisor Present Regionally restricted 3C lower incisor (inset left)
TS27: outer enamel epithelium Present Regionally restricted 3C lower incisor (inset left)
TS27: stellate reticulum Present Regionally restricted 3C lower incisor (inset left)

Specimen 3C lower incisor (inset right): postnatal day 0; Irx1tm1(KOMP)Vlcg/Irx1+ (more )
Structure Level Pattern Image Note
TS27: lower jaw incisor Present Regionally restricted 3C lower incisor (inset right)
TS27: outer enamel epithelium Present Regionally restricted 3C lower incisor (inset right)
TS27: stratum intermedium Present Regionally restricted 3C lower incisor (inset right)

Specimen 3C Molar: postnatal day 0; Irx1tm1(KOMP)Vlcg/Irx1+ (more )
Structure Level Pattern Image Note
TS27: lower jaw molar enamel organ Present Regionally restricted 3C Molar In late bell stage teeth, expression limited to outer enamel epithelium, stratum intermedium and stellate reticulum

Specimen 3C Molar (inset): postnatal day 0; Irx1tm1(KOMP)Vlcg/Irx1+ (more )
Structure Level Pattern Image Note
TS27: lower jaw molar Present Regionally restricted 3C Molar (inset)
TS27: outer enamel epithelium Present Regionally restricted 3C Molar (inset)
TS27: stellate reticulum Present Regionally restricted 3C Molar (inset)
TS27: stratum intermedium Present Regionally restricted 3C Molar (inset)

Specimen 3E (left): postnatal day 30; Irx1tm1(KOMP)Vlcg/Irx1+ (more )
Structure Level Pattern Image Note
TS28: lower jaw incisor Present 3E (left)

Specimen 3E (right): postnatal day 30; Irx1tm1(KOMP)Vlcg/Irx1+ (more )
Structure Level Pattern Image Note
TS28: lower jaw molar Present 3E (right)

Specimen 8C Irx1+/-: postnatal day 0; Irx1tm1(KOMP)Vlcg/Irx1+ (more )
Structure Level Pattern Image Note
TS27: lower jaw incisor Present Regionally restricted 8C Irx1+/-
TS27: outer enamel epithelium Present Regionally restricted 8C Irx1+/-

Specimen 8C Irx1-/-: postnatal day 0; Irx1tm1(KOMP)Vlcg/Irx1tm1(KOMP)Vlcg (more )
Structure Level Pattern Image Note
TS27: lower jaw incisor Weak Regionally restricted 8C Irx1-/- Fewer expressing cells in outer enamel epithelium.
TS27: outer enamel epithelium Weak Regionally restricted 8C Irx1-/- Fewer expressing cells in outer enamel epithelium.


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
06/12/2024
MGI 6.13
The Jackson Laboratory