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Cldn18 Gene Detail
Summary
  • Symbol
    Cldn18
  • Name
    claudin 18
  • Feature Type
    protein coding gene
  • IDs
    MGI:1929209
    NCBI Gene: 56492
  • Gene Overview
    MyGene.info: CLDN18
Location & Maps
more
  • Sequence Map
    Chr9:99689461-99717267 bp, - strand
  • From VEGA annotation of GRCm38

    Mouse Genome Browser

  • Download
    Sequence
      27807 bp   ±  kb flank

  • Genome Browsers
  • Genetic Map
    Chromosome 9, 52.00 cM, cytoband E3-F1
  • Mapping Data
    1 experiment
Homology
more
  • Human Ortholog
    CLDN18, claudin 18
  • Vertebrate Orthologs
    10
  • Human Ortholog
    CLDN18, claudin 18
    Orthology source: HGNC, HomoloGene
  • Synonyms
    SFTA5, SFTPJ
  • Links
    NCBI Gene ID: 51208
    neXtProt AC: NX_P56856

  • Chr Location
    3q22.3; chr3:137998816-138033652 (+)  GRCh38.p2

  • HomoloGene
    Vertebrate Homology Class 9489
    1 human;1 mouse;1 rat;1 chimpanzee;1 rhesus macaque;1 cattle;1 dog;1 chicken;1 western clawed frog;1 zebrafish
  • HCOP
    human homology predictions: CLDN18
  • Gene Tree
Mutations,
Alleles, and
Phenotypes
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  • Phenotype Summary
    22 phenotypes from 2 alleles in 2 genetic backgrounds
    12 phenotype references
Phenotype Overview

adipose tissue
behavior/neurological
cardiovascular system
cellular
craniofacial
digestive/alimentary system
embryo
endocrine/exocrine glands
growth/size/body
hearing/vestibular/ear
hematopoietic system
homeostasis/metabolism
integument
immune system
limbs/digits/tail
liver/biliary system
mortality/aging
muscle
nervous system
pigmentation
renal/urinary system
reproductive system
respiratory system
skeleton
taste/olfaction
neoplasm
vision/eye

Click cells to view annotations.
  • All Mutations and Alleles
    4
  • Chemically induced (other)
    1
  • Targeted
    3
  • Genomic Mutations
    1 involving Cldn18
  • Incidental Mutations
Mice homozygous for a knock-out allele exhibit increased bone resorption and osteoclast differentiation. Homozygotes for another knock-out allele have impiared alveolarization and alveolar epithelial barrier function.
Gene Ontology
(GO)
Classifications
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  • All GO Annotations
  • GO References
Molecular Function

carbohydrate derivative binding
cytoskeletal protein binding
DNA binding
enzyme regulator
hydrolase
ligase
lipid binding
oxidoreductase
receptor
receptor binding
RNA binding
transcription
transferase
transporter
Biological Process

nucleic acid-templated transcription
carbohydrate derivative metabolism
cell death
cell differentiation
cell proliferation
cellular component organization
establishment of localization
homeostatic process
immune system process
lipid metabolic process
protein metabolic process
response to stimulus
signaling
system development
Cellular Component

cell projection
cytoplasmic vesicle
cytoskeleton
cytosol
endoplasmic reticulum
endosome
extracellular region
Golgi apparatus
mitochondrion
non-membrane-bounded organelle
nucleus
organelle envelope
organelle lumen
plasma membrane
synapse
vacuole
Click cells to view annotations.
Expression
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Expression Overview

early conceptus
embryo ectoderm
embryo endoderm
embryo mesoderm
embryo mesenchyme
extraembryonic component
alimentary system
auditory system
branchial arches
cardiovascular system
connective tissue
endocrine system
exocrine system
hemolymphoid system
integumental system
limbs
liver and biliary system
musculoskeletal system
nervous system
olfactory system
reproductive system
respiratory system
urinary system
visual system
Click cells to view annotations.


  • Assay Results
  • Tissues
  • cDNA Data
  • Literature Summary
Interactions
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Sequences &
Gene Models
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Representative SequencesLengthStrain/SpeciesFlank
genomic OTTMUSG00000028913 VEGA Gene Model | MGI Sequence Detail 27807 C57BL/6J ±  kb
transcript OTTMUST00000071649 VEGA | MGI Sequence Detail 4172 Not Applicable  
polypeptide OTTMUSP00000036759 VEGA | MGI Sequence Detail 264 Not Applicable  
For the selected sequence
Polymorphisms
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  • SNPs within 2kb
    347 from dbSNP Build 142
Protein
Information
less
Molecular
Reagents
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  • All nucleic 10
    Genomic 1
    cDNA 7
    Other 2

    Microarray probesets 3
References
more
  • Summaries
    All 33
    Developmental Gene Expression 6
    Gene Ontology 3
    Phenotypes 12
  • Earliest
    J:72106 Niimi T, et al., claudin-18, a Novel Downstream Target Gene for the T/EBP/NKX2.1 Homeodomain Transcription Factor, Encodes Lung- and Stomach-Specific Isoforms through Alternative Splicing. Mol Cell Biol. 2001 Nov;21(21):7380-90
  • Latest
    J:232161 Li G, et al., Knockout mice reveal key roles for claudin 18 in alveolar barrier properties and fluid homeostasis. Am J Respir Cell Mol Biol. 2014 Aug;51(2):210-22

Contributing Projects:
Mouse Genome Database (MGD), Gene Expression Database (GXD), Mouse Tumor Biology (MTB), Gene Ontology (GO), MouseCyc
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last database update
07/19/2016
MGI 6.04
The Jackson Laboratory