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Mammalian Phenotype Ontology Annotations
Query Results - Summary
Symbol
Name
ID
Cldn1
claudin 1
MGI:1276109
26 phenotypes from 4 alleles in 5 genetic backgrounds
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Allelic Composition
Genetic Background
Annotated Term Reference
Cldn1tm1.2Sats/Cldn1tm1.2Sats
B6JSlc.Cg-Cldn1tm1.2Sats
abnormal epidermis stratum corneum morphology J:234330
abnormal skin development J:234330
impaired skin barrier function J:234330
neonatal lethality, complete penetrance J:234330
Cldn1tm1b(NCOM)Mfgc/Cldn1tm1b(NCOM)Mfgc
C57BL/6N-Cldn1tm1b(NCOM)Mfgc/Tcp
preweaning lethality, complete penetrance J:211773
Cldn1tm1Sats/Cldn1tm1.2Sats
B6JSlc.Cg-Cldn1tm1Sats/Cldn1tm1.2Sats
abnormal epidermis stratum basale morphology J:234330
abnormal epidermis stratum corneum morphology J:234330
abnormal skin development J:234330
abnormal skin morphology J:234330
acanthosis J:234330
decreased IgE level J:234330
decreased survivor rate J:234330
dermatitis J:234330
dry hair J:234330
epidermal desquamation J:234330
hyperkeratosis J:234330
impaired skin barrier function J:234330
increased cell proliferation J:234330
increased hair follicle number J:234330
neonatal lethality, incomplete penetrance J:234330
orthokeratosis J:234330
postnatal lethality, incomplete penetrance J:234330
thick epidermis J:234330
wrinkled skin J:234330
Cldn1tm1Sats/Cldn1tm1Sats
B6JSlc.Cg-Cldn1tm1Sats
abnormal epidermis stratum corneum morphology J:234330
abnormal skin development J:234330
acanthosis J:234330
dermatitis J:234330
dry hair J:234330
hyperkeratosis J:234330
increased hair follicle number J:234330
increased susceptibility to chemically induced skin inflammation J:234330
normal mortality/aging J:234330
thick epidermis J:234330
wrinkled skin J:234330
Cldn1tm1Sts/Cldn1tm1Sts
involves: 129S4/SvJae * C57BL/6
abnormal hair growth J:75447
dehydration J:75447
hyperkeratosis J:75447
impaired skin barrier function J:75447
neonatal lethality, complete penetrance J:75447
thick epidermis J:75447
weight loss J:75447
wrinkled skin J:75447

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
07/14/2026
MGI 6.24
The Jackson Laboratory