3-Hydroxyisobutyryl-CoA Hydrolase (HIBCH) deficiency cases diagnosed by only HIBCH gene analysis and novel pathogenic mutation

Objective: 3-Hydroxyisobutyryl-CoA hydrolase (HIBCH) deficiency is a rare metabolic disease of valine metabolism. Only 22 cases of HIBCH deficiency have been reported in the literature. Our algorithm could help in the diagnosis of this disease. Methods: HIBCH gene analysis was performed in all cases...

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Main Authors: Nafiye Emel Çakar, Orhan Görükmez
Format: Article
Language:English
Published: Wolters Kluwer Medknow Publications 2021-01-01
Series:Annals of Indian Academy of Neurology
Subjects:
Online Access:http://www.annalsofian.org/article.asp?issn=0972-2327;year=2021;volume=24;issue=3;spage=372;epage=378;aulast=Cakar
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author Nafiye Emel Çakar
Orhan Görükmez
author_facet Nafiye Emel Çakar
Orhan Görükmez
author_sort Nafiye Emel Çakar
collection DOAJ
description Objective: 3-Hydroxyisobutyryl-CoA hydrolase (HIBCH) deficiency is a rare metabolic disease of valine metabolism. Only 22 cases of HIBCH deficiency have been reported in the literature. Our algorithm could help in the diagnosis of this disease. Methods: HIBCH gene analysis was performed in all cases. Results: The common features of our five patients from the same family with a developmental delay, seizures, and neurological regression were the elevation of 3-hydroxy-isobutyryl-carnitine and Leigh-like abnormalities. Unlike other patients in the literature, our patients were diagnosed with HIBCH gene analysis, rather than whole exome sequencing (WES). In all our cases, a missense c.452C>T, p. Ser151Leu homozygous novel pathogenic mutation was detected in the HIBCH gene. Conclusion: In cases where HIBCH deficiency is considered in our differential diagnosis algorithm, HIBCH gene analysis, which is cost-effective, should be performed instead of WES, and the number of cases should be increased in the literature.
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spelling doaj.art-74db4053e6fb4c2795db2a21837fc7122022-12-21T18:38:15ZengWolters Kluwer Medknow PublicationsAnnals of Indian Academy of Neurology0972-23271998-35492021-01-0124337237810.4103/aian.AIAN_192_203-Hydroxyisobutyryl-CoA Hydrolase (HIBCH) deficiency cases diagnosed by only HIBCH gene analysis and novel pathogenic mutationNafiye Emel ÇakarOrhan GörükmezObjective: 3-Hydroxyisobutyryl-CoA hydrolase (HIBCH) deficiency is a rare metabolic disease of valine metabolism. Only 22 cases of HIBCH deficiency have been reported in the literature. Our algorithm could help in the diagnosis of this disease. Methods: HIBCH gene analysis was performed in all cases. Results: The common features of our five patients from the same family with a developmental delay, seizures, and neurological regression were the elevation of 3-hydroxy-isobutyryl-carnitine and Leigh-like abnormalities. Unlike other patients in the literature, our patients were diagnosed with HIBCH gene analysis, rather than whole exome sequencing (WES). In all our cases, a missense c.452C>T, p. Ser151Leu homozygous novel pathogenic mutation was detected in the HIBCH gene. Conclusion: In cases where HIBCH deficiency is considered in our differential diagnosis algorithm, HIBCH gene analysis, which is cost-effective, should be performed instead of WES, and the number of cases should be increased in the literature.http://www.annalsofian.org/article.asp?issn=0972-2327;year=2021;volume=24;issue=3;spage=372;epage=378;aulast=Cakarhibch deficiencyhydroxy-c4 carnitineleigh-like diseasevaline metabolism
spellingShingle Nafiye Emel Çakar
Orhan Görükmez
3-Hydroxyisobutyryl-CoA Hydrolase (HIBCH) deficiency cases diagnosed by only HIBCH gene analysis and novel pathogenic mutation
Annals of Indian Academy of Neurology
hibch deficiency
hydroxy-c4 carnitine
leigh-like disease
valine metabolism
title 3-Hydroxyisobutyryl-CoA Hydrolase (HIBCH) deficiency cases diagnosed by only HIBCH gene analysis and novel pathogenic mutation
title_full 3-Hydroxyisobutyryl-CoA Hydrolase (HIBCH) deficiency cases diagnosed by only HIBCH gene analysis and novel pathogenic mutation
title_fullStr 3-Hydroxyisobutyryl-CoA Hydrolase (HIBCH) deficiency cases diagnosed by only HIBCH gene analysis and novel pathogenic mutation
title_full_unstemmed 3-Hydroxyisobutyryl-CoA Hydrolase (HIBCH) deficiency cases diagnosed by only HIBCH gene analysis and novel pathogenic mutation
title_short 3-Hydroxyisobutyryl-CoA Hydrolase (HIBCH) deficiency cases diagnosed by only HIBCH gene analysis and novel pathogenic mutation
title_sort 3 hydroxyisobutyryl coa hydrolase hibch deficiency cases diagnosed by only hibch gene analysis and novel pathogenic mutation
topic hibch deficiency
hydroxy-c4 carnitine
leigh-like disease
valine metabolism
url http://www.annalsofian.org/article.asp?issn=0972-2327;year=2021;volume=24;issue=3;spage=372;epage=378;aulast=Cakar
work_keys_str_mv AT nafiyeemelcakar 3hydroxyisobutyrylcoahydrolasehibchdeficiencycasesdiagnosedbyonlyhibchgeneanalysisandnovelpathogenicmutation
AT orhangorukmez 3hydroxyisobutyrylcoahydrolasehibchdeficiencycasesdiagnosedbyonlyhibchgeneanalysisandnovelpathogenicmutation