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Variation of the clinical spectrum and genotype-phenotype associations in Coenzyme Q10 deficiency associated glomerulopathy

Primary Coenzyme Q10 deficiency is a rare mitochondriopathy with a wide spectrum of organ involvement, including steroid-resistant nephrotic syndrome mainly associated with disease-causing variants in the genes COQ2, COQ6 or COQ8B. We performed a systematic literature review, PodoNet, mitoNET, and C...

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Main Authors: Drovandi, Stefania (Author) , Lipska-Ziętkiewicz, Beata S. (Author) , Ozaltin, Fatih (Author) , Emma, Francesco (Author) , Gulhan, Bora (Author) , Boyer, Olivia (Author) , Trautmann, Agnes (Author) , Ziętkiewicz, Szymon (Author) , Xu, Hong (Author) , Shen, Qian (Author) , Rao, Jia (Author) , Riedhammer, Korbinian M. (Author) , Heemann, Uwe (Author) , Hoefele, Julia (Author) , Stenton, Sarah L. (Author) , Tsygin, Alexey N. (Author) , Ng, Kar-Hui (Author) , Fomina, Svitlana (Author) , Benetti, Elisa (Author) , Aurelle, Manon (Author) , Prikhodina, Larisa (Author) , Schijvens, Anne M. (Author) , Tabatabaeifar, Mansoureh (Author) , Jankowski, Maciej (Author) , Baiko, Sergey (Author) , Mao, Jianhua (Author) , Feng, Chunyue (Author) , Deng, Fang (Author) , Rousset-Rouviere, Caroline (Author) , Stańczyk, Małgorzata (Author) , Bałasz-Chmielewska, Irena (Author) , Fila, Marc (Author) , Durkan, Anne M. (Author) , Levart, Tanja Kersnik (Author) , Dursun, Ismail (Author) , Esfandiar, Nasrin (Author) , Haas, Dorothea (Author) , Bjerre, Anna (Author) , Anarat, Ali (Author) , Benz, Marcus R. (Author) , Talebi, Saeed (Author) , Hooman, Nakysa (Author) , Ariceta, Gema (Author) , Schaefer, Franz (Author)
Format: Article (Journal)
Language:English
Published: 26 April 2022
In: Kidney international
Year: 2022, Volume: 102, Issue: 3, Pages: 592-603
ISSN:1523-1755
DOI:10.1016/j.kint.2022.02.040
Online Access:Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1016/j.kint.2022.02.040
Verlag, lizenzpflichtig, Volltext: https://www.sciencedirect.com/science/article/pii/S0085253822003386
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Author Notes:Stefania Drovandi, Beata S. Lipska-Ziętkiewicz, Fatih Ozaltin, Francesco Emma, Bora Gulhan, Olivia Boyer, Agnes Trautmann, Szymon Ziętkiewicz, Hong Xu, Qian Shen, Jia Rao, Korbinian M. Riedhammer, Uwe Heemann, Julia Hoefele, Sarah L. Stenton, Alexey N. Tsygin, Kar-Hui Ng, Svitlana Fomina, Elisa Benetti, Manon Aurelle, Larisa Prikhodina, Anne M. Schijvens, Mansoureh Tabatabaeifar, Maciej Jankowski, Sergey Baiko, Jianhua Mao, Chunyue Feng, Fang Deng, Caroline Rousset-Rouviere, Małgorzata Stańczyk, Irena Bałasz-Chmielewska, Marc Fila, Anne M. Durkan, Tanja Kersnik Levart, Ismail Dursun, Nasrin Esfandiar, Dorothea Haas, Anna Bjerre, Ali Anarat, Marcus R. Benz, Saeed Talebi, Nakysa Hooman, Gema Ariceta, PodoNet Consortium, mitoNET Consortium, CCGKDD Consortium and Franz Schaefer
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Summary:Primary Coenzyme Q10 deficiency is a rare mitochondriopathy with a wide spectrum of organ involvement, including steroid-resistant nephrotic syndrome mainly associated with disease-causing variants in the genes COQ2, COQ6 or COQ8B. We performed a systematic literature review, PodoNet, mitoNET, and CCGKDD registries queries and an online survey, collecting comprehensive clinical and genetic data of 251 patients spanning 173 published (47 updated) and 78 new cases. Kidney disease was first diagnosed at median age 1.0, 1.2 and 9.8 years in individuals with disease-causing variants in COQ2, COQ6 and COQ8B, respectively. Isolated kidney involvement at diagnosis occurred in 34% of COQ2, 10.8% of COQ6 and 70.7% of COQ8B variant individuals. Classic infantile multiorgan involvement comprised 22% of the COQ2 variant cohort while 47% of them developed neurological symptoms at median age 2.7 years. The association of steroid-resistant nephrotic syndrome and sensorineural hearing loss was confirmed as the distinctive phenotype of COQ6 variants, with hearing impairment manifesting at average age three years. None of the patients with COQ8B variants, but 50% of patients with COQ2 and COQ6 variants progressed to kidney failure by age five. At adult age, kidney survival was equally poor (20-25%) across all disorders. A number of sequence variants, including putative local founder mutations, had divergent clinical presentations, in terms of onset age, kidney and non-kidney manifestations and kidney survival. Milder kidney phenotype was present in those with biallelic truncating variants within the COQ8B variant cohort. Thus, significant intra- and inter-familial phenotype variability was observed, suggesting both genetic and non-genetic modifiers of disease severity.
Item Description:Gesehen am 25.01.2023
PodoNet Consortium: Sergey Baiko, Lina Maria Serna Higuita, Franz Schaefer, Agnes Trautmann, Mansoureh Tabatabaeifar, Alaleh Gheissari, Nakysa Hooman, Elisa Benetti, Francesco Emma, Nazym Nigmatullina, Beata S. Lipska-Ziętkiewicz, Irena Bałasz-Chmielewska, Marcin Tkaczyk, Małgorzata Stańczyk, Halina Borzecka, Alexey N. Tsygin, Larisa Prikhodina, Radovan Bogdanovic, Ali Anarat, Fatih Ozaltin, Sevgi Mir, Svitlana Fomina
MitoNET Consortium: Thomas Klopstock, Holger Prokisch, Cornelia Kornblum
CCGKDD Consortium: Hong Xu, Qian Shen, Jia Rao, Cui-Hua Liu, Shu-Zhen Sun, Fang Deng, Yang Dong, Xiao-Wen Wang, Jiang-Wei Luan
Physical Description:Online Resource
ISSN:1523-1755
DOI:10.1016/j.kint.2022.02.040

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