PMM2-CDG T237M Mutation in a Patient with Cerebral Palsy-Like Phenotypes Reported from South India

Congenital disorder of glycosylation (CDG) is an autosomal recessively inherited disorder. Hypotonia, stroke-like episodes, and peripheral neuropathy are also associated with the condition that typically develops during infancy. The patient, a 12-year-old girl born to healthy consanguineous parents,...

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Main Authors: N. Sreedevi, N. Swapna, Santosh Maruthy, H.S. Meghavathi, Charles Sylvester
Format: Article
Language:English
Published: Georg Thieme Verlag KG 2023-06-01
Series:Global Medical Genetics
Subjects:
Online Access:http://www.thieme-connect.de/DOI/DOI?10.1055/s-0043-1769494
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author N. Sreedevi
N. Swapna
Santosh Maruthy
H.S. Meghavathi
Charles Sylvester
author_facet N. Sreedevi
N. Swapna
Santosh Maruthy
H.S. Meghavathi
Charles Sylvester
author_sort N. Sreedevi
collection DOAJ
description Congenital disorder of glycosylation (CDG) is an autosomal recessively inherited disorder. Hypotonia, stroke-like episodes, and peripheral neuropathy are also associated with the condition that typically develops during infancy. The patient, a 12-year-old girl born to healthy consanguineous parents, was diagnosed with cerebral palsy as a child. The affected patient has hypotonia, inadequate speech, strabismus, and developmental delay with mild mental retardation, which are key symptoms of CDG. Whole-exome sequencing (WES) identified the known missense pathogenic variant PMM2 c.710 C > T, p.T237M in the patient coding for the phosphomannomutase 2 (PMM2) confirming molecular testing of CDG. The patient's parents carried heterozygous PMM2 c.710 C > T variants. This study highlights the importance of WES in patients with a developmental disability or other neurological conditions, which is also useful in screening risk factors in couples with infertility or miscarriage issues.
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spelling doaj.art-2b66589928614bfc8e5ed01baa054e8d2023-06-01T23:03:44ZengGeorg Thieme Verlag KGGlobal Medical Genetics2699-94042023-06-01100210510810.1055/s-0043-1769494PMM2-CDG T237M Mutation in a Patient with Cerebral Palsy-Like Phenotypes Reported from South IndiaN. Sreedevi0N. Swapna1Santosh Maruthy2H.S. Meghavathi3Charles Sylvester4Department of Speech-Language Sciences, All India Institute of Speech and Hearing, Mysore, Karnataka, IndiaDepartment of Speech-Language Pathology, All India Institute of Speech and Hearing, Mysore, Karnataka, IndiaDepartment of Speech-Language Sciences, All India Institute of Speech and Hearing, Mysore, Karnataka, IndiaUnit for Human Genetics, All India Institute of Speech and Hearing, Mysore, Karnataka, IndiaUnit for Human Genetics, All India Institute of Speech and Hearing, Mysore, Karnataka, IndiaCongenital disorder of glycosylation (CDG) is an autosomal recessively inherited disorder. Hypotonia, stroke-like episodes, and peripheral neuropathy are also associated with the condition that typically develops during infancy. The patient, a 12-year-old girl born to healthy consanguineous parents, was diagnosed with cerebral palsy as a child. The affected patient has hypotonia, inadequate speech, strabismus, and developmental delay with mild mental retardation, which are key symptoms of CDG. Whole-exome sequencing (WES) identified the known missense pathogenic variant PMM2 c.710 C > T, p.T237M in the patient coding for the phosphomannomutase 2 (PMM2) confirming molecular testing of CDG. The patient's parents carried heterozygous PMM2 c.710 C > T variants. This study highlights the importance of WES in patients with a developmental disability or other neurological conditions, which is also useful in screening risk factors in couples with infertility or miscarriage issues.http://www.thieme-connect.de/DOI/DOI?10.1055/s-0043-1769494 pmm2-cdgcerebral palsymutationsouth india
spellingShingle N. Sreedevi
N. Swapna
Santosh Maruthy
H.S. Meghavathi
Charles Sylvester
PMM2-CDG T237M Mutation in a Patient with Cerebral Palsy-Like Phenotypes Reported from South India
Global Medical Genetics
pmm2-cdg
cerebral palsy
mutation
south india
title PMM2-CDG T237M Mutation in a Patient with Cerebral Palsy-Like Phenotypes Reported from South India
title_full PMM2-CDG T237M Mutation in a Patient with Cerebral Palsy-Like Phenotypes Reported from South India
title_fullStr PMM2-CDG T237M Mutation in a Patient with Cerebral Palsy-Like Phenotypes Reported from South India
title_full_unstemmed PMM2-CDG T237M Mutation in a Patient with Cerebral Palsy-Like Phenotypes Reported from South India
title_short PMM2-CDG T237M Mutation in a Patient with Cerebral Palsy-Like Phenotypes Reported from South India
title_sort pmm2 cdg t237m mutation in a patient with cerebral palsy like phenotypes reported from south india
topic pmm2-cdg
cerebral palsy
mutation
south india
url http://www.thieme-connect.de/DOI/DOI?10.1055/s-0043-1769494
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AT santoshmaruthy pmm2cdgt237mmutationinapatientwithcerebralpalsylikephenotypesreportedfromsouthindia
AT hsmeghavathi pmm2cdgt237mmutationinapatientwithcerebralpalsylikephenotypesreportedfromsouthindia
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