TECTA | |||||||||||||||||||||||||||||||||||||||||||||||||||
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Identifiers | |||||||||||||||||||||||||||||||||||||||||||||||||||
Aliases | TECTA , DFNA12, DFNA8, DFNB21, tectorin alpha | ||||||||||||||||||||||||||||||||||||||||||||||||||
External IDs | OMIM: 602574; MGI: 109575; HomoloGene: 3955; GeneCards: TECTA; OMA:TECTA - orthologs | ||||||||||||||||||||||||||||||||||||||||||||||||||
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Wikidata | |||||||||||||||||||||||||||||||||||||||||||||||||||
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Alpha-tectorin is a protein that in humans is encoded by the TECTA gene. [5] [6] [7]
The tectorial membrane is an apical extracellular matrix (aECM) of the inner ear that contacts the stereocilia bundles of specialized sensory hair cells. Sound induces movement of these hair cells relative to the tectorial membrane, deflects the stereocilia, and leads to fluctuations in hair-cell membrane potential, transducing sound into electrical signals. Alpha-tectorin is one of the major noncollagenous components of the tectorial membrane. Mutations in the TECTA gene have been shown to be responsible for autosomal dominant nonsyndromic hearing impairment and a recessive form of sensorineural pre-lingual non-syndromic deafness. [7]
Nonsyndromic deafness is hearing loss that is not associated with other signs and symptoms. In contrast, syndromic deafness involves hearing loss that occurs with abnormalities in other parts of the body. Nonsyndromic deafness constitutes 75% of all hearing loss cases, and an estimated 100 genes are thought to be linked to this condition. About 80% are linked to autosomal recessive inheritance, 15% to autosomal dominant inheritance, 1-3% through the X chromosome, and 0.5-1% are associated with mitochondrial inheritance.
Gap junction beta-2 protein (GJB2), also known as connexin 26 (Cx26) — is a protein that in humans is encoded by the GJB2 gene.
Wolframin is a protein that in humans is encoded by the WFS1 gene.
Gap junction beta-3 protein (GJB3), also known as connexin 31 (Cx31) — is a protein that in humans is encoded by the GJB3 gene.
Collagen alpha-1(XI) chain is a protein that in humans is encoded by the COL11A1 gene.
Transmembrane protease, serine 3 is an enzyme that in humans is encoded by the TMPRSS3 gene.
Collagen alpha-3(IX) chain is a protein that in humans is encoded by the COL9A3 gene.
Beta-crystallin A3 is a protein that in humans is encoded by the CRYBA1 gene.
Potassium voltage-gated channel subfamily KQT member 4, also known as voltage-gated potassium channel subunit Kv7.4, is a protein that in humans is encoded by the KCNQ4 gene.
Non-syndromic hearing impairment protein 5 is a protein that in humans is encoded by the DFNA5 gene.
TRIO and F-actin-binding protein is a protein that in humans is encoded by the TRIOBP gene.
Myosin-14 is a protein that in humans is encoded by the MYH14 gene.
Eyes absent homolog 4 is a protein that in humans is encoded by the EYA4 gene.
Transmembrane channel-like protein 1 is a protein that in humans is encoded by the TMC1 gene. TMC1 contains six transmembrane domains with both the C and N termini on the endoplasmic side of the membrane, as well as a large loop between domains 4 and 5. This topology is similar to that of transient receptor potential channels (TRPs), a family of proteins involved in the perception of senses such as temperature, taste, pressure, and vision. TMC1 has been located in the post-natal mouse cochlea, and knockouts for TMC1 and TMC2 result in both auditory and vestibular deficits indicating TMC1 is a molecular part of auditory transduction.
Unconventional myosin-XV is a protein that in humans is encoded by the MYO15A gene.
Carcinoembryonic antigen-related cell adhesion molecule 16 is encoded in the human by the CEACAM16 gene. It is a member of the carcinoembryonic antigen family, a cluster of genes on chromosome 19. CEACAM16 is a structure of the tectorial membrane involved in hearing at low and high frequencies. It is the only carcinoembryonic antigen found in the platypus. The protein is expressed in mammalian outer hair cells, and mutations in this gene are associated with autosomal dominant nonsyndromic deafness.
Vesicular glutamate transporter 3 (VGLUT3) is a protein that in humans is encoded by the SLC17A8 gene.
Espin, also known as autosomal recessive deafness type 36 protein or ectoplasmic specialization protein, is a protein that in humans is encoded by the ESPN gene. Espin is a microfilament binding protein.
Otogelin is a protein that in humans is encoded by the OTOG gene.
Pejvakin is a protein that in humans is encoded by the PJVK gene.
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: CS1 maint: DOI inactive as of November 2024 (link)