About   Help   FAQ
Phenotypes Associated with This Genotype
Genotype
MGI:4942182
Allelic
Composition
Twist2tm1(cre)Dor/Twist2tm1(cre)Dor
Genetic
Background
involves: 129X1/SvJ * C57BL/6
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Twist2tm1(cre)Dor mutation (0 available); any Twist2 mutation (8 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
integument
• mice lack epidermal appendages unlike wild-type mice
• eyelashes are sparse or absent (lower lashes are absent) unlike in wild-type mice
• between the ears and eyes
• lower lashes are absent
• mice exhibit hypoplastic dermis unlike wild-type mice
• mice exhibit absent or hypoplastic Meibomian glands unlike wild-type mice
• mice exhibit absent or hypoplastic Meibomian glands unlike wild-type mice
• mice exhibit bitemporal lesions unlike wild-type mice

vision/eye
• mice exhibit absent or hypoplastic Meibomian glands unlike wild-type mice
• mice exhibit absent or hypoplastic Meibomian glands unlike wild-type mice
• lower lashes are absent

craniofacial
• snout is narrow
• ears are dysmorphic and low-set unlike wild-type mice

endocrine/exocrine glands
• mice exhibit absent or hypoplastic Meibomian glands unlike wild-type mice
• mice exhibit absent or hypoplastic Meibomian glands unlike wild-type mice

hearing/vestibular/ear
• ears are dysmorphic and low-set unlike wild-type mice

adipose tissue

growth/size/body
• mice exhibit short anterior-posterior head diameters compared with wild-type mice
• snout is narrow
• ears are dysmorphic and low-set unlike wild-type mice


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
05/19/2026
MGI 6.24
The Jackson Laboratory