Homozygous Mutations in GDAP1 and MFN2 Genes Resulted in Autosomal Recessive Forms of Charcot-Marie-Tooth Disease in Consanguineous Pakistani Families

doi:10.1089/dna.2023.0169

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標題:	Homozygous Mutations in GDAP1 and MFN2 Genes Resulted in Autosomal Recessive Forms of Charcot-Marie-Tooth Disease in Consanguineous Pakistani Families
作者:	Asif, Muhammad Chiou, Chien-Chun Hussain, Malik Fiaz Hussain, Manzoor Sajid, Zureesha Gulsher, Muhammad Raheem, Afifa Khan, Adil Nasreen, Nasreen Kloczkowski, Andrzej Hassan, Mubashir Iqbal, Furhan Chen, Chien-Chin
貢獻者:	Bahauddin Zakariya Univ, Inst Mol Biol & Biotechnol Bahauddin Zakariya Univ, Inst Zool Chiayi Yi Christian Hosp, Ditmanson Med Fdn, Dept Dermatol Nishter Med Univ Multan Islamia Univ Bahawalpur, Inst Biochem Biotechnol & Bioinformat, Dept Biotechnol, Baghdad ul Jadeed Campus Children Hosp & Inst Child Hlth Bacha Khan Univ, Dept Bot & Zool Abdul Wali Khan Univ, Dept Zool Nationwide Childrens Hosp, Steve & Cindy Rasmussen Inst Genom Med Ohio State Univ, Dept Pediat, Columbus Chia Yi Christian Hosp, Ditmanson Med Fdn, Dept Pathol Chia Nan Univ Pharm & Sci, Dept Cosmet Sci Natl Chung Hsing Univ, Rong Hsing Res Ctr Translat Med, PhD Program Translat Med Natl Cheng Kung Univ, Coll Biosci & Biotechnol, Dept Biotechnol & Bioind Sci
關鍵字:	Charcot-Marie-Tooth disease WES Sanger sequencing consanguineous families Pakistan
日期:	2023
上傳時間:	2024-12-25 11:05:22 (UTC+8)
出版者:	MARY ANN LIEBERT, INC
摘要:	Charcot-Marie-Tooth disease (CMT) is a heritable neurodegenerative disease of peripheral nervous system diseases in which more than 100 genes and their mutations are associated. Two consanguineous families Dera Ghazi Khan (PAK-CMT1-DG KHAN) and Layyah (PAK-CMT2-LAYYAH) with multiple CMT-affected subjects were enrolled from Punjab province in Pakistan. Basic epidemiological data were collected for the subjects. Nerve conduction study (NCS) and electromyography (EMG) were performed for the patients. Whole-exome sequencing (WES) followed by Sanger sequencing was applied to report the genetic basic of CMT. The NCS findings revealed that sensory and motor nerve conduction velocities for both families were <38 m/s. EMG presented denervation, neuropathic motor unit potential, and reduced interference pattern of peripheral nerves. WES identified that a novel nonsense mutation (c. 226 G>T) in GADP1 gene and a previously known missense mutation in MFN2 gene (c. 334 G>A) cause CMT4A (Charcot-Marie-Tooth disease type 4A) in the PAK-CMT1-DG KHAN family and CMT2A (Charcot-Marie-Tooth disease type 2A) in the PAK-CMT2-LAYYAH family, respectively. Mutations followed Mendelian pattern with autosomal recessive mode of inheritance. Multiple sequence alignment by Clustal Omega indicated that mutation-containing domain in both genes is highly conserved, and in situ analysis revealed that both mutations are likely to be pathogenic. We reported that a novel nonsense mutation and a previously known missense mutation in GAPD1 gene and MFN2 gene, respectively, cause CMT in consanguineous Pakistani families.
關聯:	Dna and Cell Biology, v.42, n.11, pp.697-708
顯示於類別:	[行政單位] 456

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