ArticleTherapeutics and clinical risk management2016
Association of nuclear and mitochondrial genes with audiological examinations in Iranian patients with nonaminoglycoside antibiotics-induced hearing loss.
Article in Therapeutics and clinical risk management, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
3 citing papers in PubMed, 2 citations in OpenAlex.
- ENT characteristics and therapeutic results in multisystemic disorders of mitochondrial encephalomyopathy.European journal of medical research · 2022Article
- [Mitochondrial encephalomyopathy involves ophthalmology otorhinolaryngology neurology and their clinical features].Lin chuang er bi yan hou tou jing wai ke za zhi = Journal of clinical otorhinolaryngology head and neck surgery · 2021Article
- The potential role for use of mitochondrial DNA copy number as predictive biomarker in presbycusis.Therapeutics and clinical risk management · 2016Article
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Authors and funding
10 authors at 4 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Mitochondrial DNA mutations play an important role in causing sensorineural hearing loss. The purpose of this study was to determine the association of the mitochondrial genes RNR1, MT-TL1, and ND1 as well as the nuclear genes GJB2 and GJB6 with audiological examinations in nonfamilial Iranians with cochlear implants, using polymerase chain reaction, DNA sequencing, and RNA secondary structure analysis. We found that there were no novel mutations in the mitochondrial gene 12S rRNA (MT-RNR1) in patients with and without GJB2 mutation (GJB2(+) and GJB2(-), respectively), but a total of six polymorphisms were found. No mutations were observed in tRNA(Leu) (() (UUR) ()) (MT-TL1). Furthermore, eight polymorphisms were found in the mitochondrial ND1 gene. Additionally, no mutations were observed in the nuclear GJB6 gene in patients in the GJB2(-) and GJB2(+) groups. The speech intelligibility rating and category of auditory perception tests were statistically assessed in patients in the GJB2(-) and GJB2(+) groups. The results indicated that there was a significant difference (P<0.05) between the categories of auditory perception score in the GJB2(-) group compared to that in the GJB2(+) group. Successful cochlear implantation was observed among individuals with GJB2 mutations (GJB2(+)) and mitochondrial polymorphisms compared to those without GJB2 mutations (GJB2(-)). In conclusion, the outcome of this study suggests that variation in the mitochondrial and nuclear genes may influence the penetrance of deafness. Therefore, further genetic and functional studies are required to help patients in making the best choice for cochlear implants.
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