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Symbol
Name
ID
Chd7
chromodomain helicase DNA binding protein 7
MGI:2444748
Phenotype annotations related to hearing/vestibular/ear
*Aspects of the system are reported to show a normal phenotype.
!Indicates phenotype varies with strain background.
Darker colors indicate more annotations
Human Phenotypes
Abnormality of the inner ear
Aplasia of the semicircular canal
Hypoplasia of the semicircular canal
Mixed hearing impairment
Abnormal pinna morphology
Aplasia/Hypoplasia of the earlobes
Overfolded helix
Low-set ears
Low-set, posteriorly rotated ears
Microtia
Cupped ear
Lop ear
Sensorineural hearing impairment
Hearing impairment
Disease(s) Associated with CHD7
CHARGE syndrome
hypogonadotropic hypogonadism 5 with or without anosmia

Mouse Phenotypes
hearing/vestibular/ear phenotype
increased middle ear goblet cell number
otosclerosis
abnormal oval window morphology
decreased oval window size
abnormal round window morphology
decreased round window size
abnormal middle ear ossicle morphology
abnormal incus morphology
abnormal incus long process morphology
abnormal incus short process morphology
abnormal malleus morphology
abnormal malleus manubrium morphology
abnormal stapes morphology
abnormal stapes crus morpholgy
abnormal stapes footplate morphology
abnormal stapes head morphology
small stapes obturator foramen
small stapes
abnormal outer ear morphology
abnormal ear development
abnormal otic vesicle development
small otic vesicle
abnormal cochlea morphology
abnormal cochlear sensory epithelium morphology
abnormal cochlear hair cell morphology
increased cochlear hair cell number
increased cochlear inner hair cell number
increased cochlear outer hair cell number
cochlear inner hair cell degeneration
cochlear outer hair cell degeneration
decreased cochlea coiling
abnormal inner ear canal fusion
abnormal semicircular canal morphology
abnormal common crus morphology
abnormal lateral semicircular canal morphology
absent lateral semicircular canal
decreased lateral semicircular canal size
abnormal posterior semicircular canal morphology
absent posterior semicircular canal
decreased posterior semicircular canal size
abnormal crista ampullaris morphology
abnormal crista ampullaris neuroepithelium morphology
abnormal superior semicircular canal morphology
absent superior semicircular canal
decreased superior semicircular canal size
abnormal inner ear vestibule morphology
absent utricle
absent vestibular saccule
small endolymphatic duct
abnormal otic capsule morphology
abnormal auditory tube morphology
abnormal middle ear epithelium morphology
absent cochlear microphonics
increased or absent threshold for auditory brainstem response
decreased cochlear nerve compound action potential
abnormal distortion product otoacoustic emission
absent distortion product otoacoustic emissions
decreased susceptibility to noise-induced hearing loss
impaired hearing
conductive hearing impairment
sensorineural hearing impairment
increased susceptibility to otitis media
Availability Mouse Genotype
Chd7Gt(S20-7E1)Sor/Chd7Gt(S20-7E1)Sor
Chd7tm1.2Dmm/Chd7tm1.2Dmm
Chd7Coa1/Chd7+
Chd7Cycn/Chd7+
Chd7Dz/Chd7+
Chd7Edy/Chd7+
Chd7Flo/Chd7+
Chd7Gt(S20-7E1)Sor/Chd7+
Chd7Gt(S20-7E1)Sor/Chd7tm1.1Dmm
Chd7Lda/Chd7+
Chd7Looper/Chd7+ !
Chd7Mt/Chd7+
Chd7Obt/Chd7+
Chd7Ome/Chd7+
Chd7Todo/Chd7+
Chd7Trooper/Chd7+
Chd7Whi/Chd7+ *
Chd7tm1.1Dmm/Chd7tm1.1Dmm
Tg(Pax2-cre)1Akg/0  (conditional)
Chd7tm2c(EUCOMM)Wtsi/Chd7tm2c(EUCOMM)Wtsi
Tg(Atoh1-cre)1Bfri/0  (conditional)
Chd7tm2c(EUCOMM)Wtsi/Chd7tm2c(EUCOMM)Wtsi
Tg(Atoh1-cre/Esr1*)14Fsh/0  (conditional)
*
Chd7tm2c(EUCOMM)Wtsi/Chd7tm2c(EUCOMM)Wtsi
Tg(Neurod1-cre)RZ24Gsat/0  (conditional)
Chd7Gt(S20-7E1)Sor/Chd7tm1.1Dmm
Foxg1tm1(cre)Skm/Foxg1+  (conditional)
Chd7Gt(S20-7E1)Sor/Chd7tm1.1Dmm
Tg(Pax2-cre)1Akg/0  (conditional)
Chd7Gt(S20-7E1)Sor/Chd7tm1.1Dmm
Tg(T-cre)1Lwd/0  (conditional)
*
Chd7tm1.1Dmm/Chd7+
Foxg1tm1(cre)Skm/Foxg1+  (conditional)
Chd7tm2c(EUCOMM)Wtsi/Chd7+
Tg(Atoh1-cre)1Bfri/0  (conditional)
Chd7tm2c(EUCOMM)Wtsi/Chd7+
Tg(Neurod1-cre)RZ24Gsat/0  (conditional)

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
04/09/2024
MGI 6.23
The Jackson Laboratory