TMPRSS3 expression is limited in spiral ganglion neurons : implication for successful cochlear implantation
© Author(s) (or their employer(s)) 2022. No commercial re-use. See rights and permissions. Published by BMJ..
BACKGROUND: It is well established that biallelic mutations in transmembrane protease, serine 3 (TMPRSS3) cause hearing loss. Currently, there is controversy regarding the audiological outcomes after cochlear implantation (CI) for TMPRSS3-associated hearing loss. This controversy creates confusion among healthcare providers regarding the best treatment options for individuals with TMPRSS3-related hearing loss.
METHODS: A literature review was performed to identify all published cases of patients with TMPRSS3-associated hearing loss who received a CI. CI outcomes of this cohort were compared with published adult CI cohorts using postoperative consonant-nucleus-consonant (CNC) word performance. TMPRSS3 expression in mouse cochlea and human auditory nerves (HAN) was determined by using hybridisation chain reaction and single-cell RNA-sequencing analysis.
RESULTS: In aggregate, 27 patients (30 total CI ears) with TMPRSS3-associated hearing loss treated with CI, and 85% of patients reported favourable outcomes. Postoperative CNC word scores in patients with TMPRSS3-associated hearing loss were not significantly different than those seen in adult CI cohorts (8 studies). Robust Tmprss3 expression occurs throughout the mouse organ of Corti, the spindle and root cells of the lateral wall and faint staining within <5% of the HAN, representing type II spiral ganglion neurons. Adult HAN express negligible levels of TMPRSS3.
CONCLUSION: The clinical features after CI and physiological expression of TMPRSS3 suggest against a major role of TMPRSS3 in auditory neurons.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2022 |
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| Erschienen: |
2022 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:59 |
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| Enthalten in: |
Journal of medical genetics - 59(2022), 12 vom: 12. Dez., Seite 1219-1226 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Chen, Yuan-Siao [VerfasserIn] |
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| Links: |
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| Anmerkungen: |
Date Completed 24.11.2022 Date Revised 08.06.2023 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1136/jmg-2022-108654 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM344805603 |
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| 100 | 1 | |a Chen, Yuan-Siao |e verfasserin |4 aut | |
| 245 | 1 | 0 | |a TMPRSS3 expression is limited in spiral ganglion neurons |b implication for successful cochlear implantation |
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| 520 | |a © Author(s) (or their employer(s)) 2022. No commercial re-use. See rights and permissions. Published by BMJ. | ||
| 520 | |a BACKGROUND: It is well established that biallelic mutations in transmembrane protease, serine 3 (TMPRSS3) cause hearing loss. Currently, there is controversy regarding the audiological outcomes after cochlear implantation (CI) for TMPRSS3-associated hearing loss. This controversy creates confusion among healthcare providers regarding the best treatment options for individuals with TMPRSS3-related hearing loss | ||
| 520 | |a METHODS: A literature review was performed to identify all published cases of patients with TMPRSS3-associated hearing loss who received a CI. CI outcomes of this cohort were compared with published adult CI cohorts using postoperative consonant-nucleus-consonant (CNC) word performance. TMPRSS3 expression in mouse cochlea and human auditory nerves (HAN) was determined by using hybridisation chain reaction and single-cell RNA-sequencing analysis | ||
| 520 | |a RESULTS: In aggregate, 27 patients (30 total CI ears) with TMPRSS3-associated hearing loss treated with CI, and 85% of patients reported favourable outcomes. Postoperative CNC word scores in patients with TMPRSS3-associated hearing loss were not significantly different than those seen in adult CI cohorts (8 studies). Robust Tmprss3 expression occurs throughout the mouse organ of Corti, the spindle and root cells of the lateral wall and faint staining within <5% of the HAN, representing type II spiral ganglion neurons. Adult HAN express negligible levels of TMPRSS3 | ||
| 520 | |a CONCLUSION: The clinical features after CI and physiological expression of TMPRSS3 suggest against a major role of TMPRSS3 in auditory neurons | ||
| 650 | 4 | |a Review | |
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| 650 | 4 | |a Research Support, N.I.H., Extramural | |
| 650 | 4 | |a clinical decision-making | |
| 650 | 4 | |a disease management | |
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| 700 | 1 | |a Booth, Kevin T |e verfasserin |4 aut | |
| 700 | 1 | |a Nelson, Rick F |e verfasserin |4 aut | |
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