A MISSENSE MUTATION OF MSX1 GENE IN PAKISTANI FAMILIES WITH HYPODONTIA

Objective: To understand the role of MSX1 gene in Pakistani families with hypodontia. Study Design: Descriptive study. Place and Duration of Study: This descriptive study was performed in Human Molecular Genetics (HMG) Laboratory of Baluchistan University of Information Technology, Engineering...

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Autores principales:	Muhammad Nawaz, Nasrullah Mengal, Shai Mureed, Agha Muhammad Raza, Muhammad Saeed, Jamil Ahmed
Formato:	article
Lenguaje:	EN
Publicado:	Army Medical College Rawalpindi 2019
Materias:	congenital homeobox gene hypodontia missense mutation Medicine R Medicine (General) R5-920
Acceso en línea:	https://doaj.org/article/a7963a5ce01e4deb905c7bc097231f76
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spelling	oai:doaj.org-article:a7963a5ce01e4deb905c7bc097231f762021-11-12T03:28:23ZA MISSENSE MUTATION OF MSX1 GENE IN PAKISTANI FAMILIES WITH HYPODONTIA0030-96482411-8842https://doaj.org/article/a7963a5ce01e4deb905c7bc097231f762019-06-01T00:00:00Zhttps://www.pafmj.org/index.php/PAFMJ/article/view/3029/2267https://doaj.org/toc/0030-9648https://doaj.org/toc/2411-8842Objective: To understand the role of MSX1 gene in Pakistani families with hypodontia. Study Design: Descriptive study. Place and Duration of Study: This descriptive study was performed in Human Molecular Genetics (HMG) Laboratory of Baluchistan University of Information Technology, Engineering and Management Sciences (BUITEMS). The study was of 5 months duration. Material and Methods: Peripheral blood sample of 5 ml was extracted intravenously from all affected individuals, normal siblings and their parents in 15ml falcon tubes containing 200μl EDTA. Human genomic DNA was extracted by using inorganic method from the blood leukocytes (samples) following a standardized protocol already established in Human Molecular Genetics (HMG) laboratory of BUITEMS. Two coding exons of MSX1 (NM_002448.3) were amplified and sequenced. Sequence analysis of the coding region of MSX1 gene is reveal through Bio Edit, Chromas and Seqman software’s. Results: Hypodontia of permanent teeth of each affected family member was confirmed from history, clinical and radiographic examination. The clinical examination of Family 1 (proband I) revealed missing maxillary teeth 12, 18, 22, 28 and mandibular teeth 31, 41, 42 (FDI number system). The proband I-1 has also shown dental malformation of teeth and tongue tie. Family 2 (proband II) had missing maxillary lateral incisor 12, 22 (FDI number system). Cephalometric analysis showed that proband I and proband II both had mild skeleton class-II malocclusion (ANB-6º, ANB-5º respectively) with normal vertical pattern. Dental cast analysis showed class-II dental relation with large midline diastema and anterior spaces in both affected proband. The coding region of MSX1 exons were sequenced and analyzed through Bio Edit, Chromas and Seqman software’s and a missense mutation was found. Here the transition of alanine-to-glycine lead to a substitution at amino acid position 40(c.119C>G p. Ala40Gly). Conclusion: This genetic study revealed missense mutation (c.119C>G p.Ala40Gly) in exon 1 of MSX1 gene in Pakistani families with upper lateral hypodontia along with other dental anomalies including microdontia and tongue tie.Muhammad NawazNasrullah MengalShai MureedAgha Muhammad RazaMuhammad SaeedJamil AhmedArmy Medical College Rawalpindiarticlecongenitalhomeobox genehypodontiamissense mutationMedicineRMedicine (General)R5-920ENPakistan Armed Forces Medical Journal, Vol 69, Iss 3, Pp 571-576 (2019)
institution	DOAJ
collection	DOAJ
language	EN
topic	congenital homeobox gene hypodontia missense mutation Medicine R Medicine (General) R5-920
spellingShingle	congenital homeobox gene hypodontia missense mutation Medicine R Medicine (General) R5-920 Muhammad Nawaz Nasrullah Mengal Shai Mureed Agha Muhammad Raza Muhammad Saeed Jamil Ahmed A MISSENSE MUTATION OF MSX1 GENE IN PAKISTANI FAMILIES WITH HYPODONTIA
description	Objective: To understand the role of MSX1 gene in Pakistani families with hypodontia. Study Design: Descriptive study. Place and Duration of Study: This descriptive study was performed in Human Molecular Genetics (HMG) Laboratory of Baluchistan University of Information Technology, Engineering and Management Sciences (BUITEMS). The study was of 5 months duration. Material and Methods: Peripheral blood sample of 5 ml was extracted intravenously from all affected individuals, normal siblings and their parents in 15ml falcon tubes containing 200μl EDTA. Human genomic DNA was extracted by using inorganic method from the blood leukocytes (samples) following a standardized protocol already established in Human Molecular Genetics (HMG) laboratory of BUITEMS. Two coding exons of MSX1 (NM_002448.3) were amplified and sequenced. Sequence analysis of the coding region of MSX1 gene is reveal through Bio Edit, Chromas and Seqman software’s. Results: Hypodontia of permanent teeth of each affected family member was confirmed from history, clinical and radiographic examination. The clinical examination of Family 1 (proband I) revealed missing maxillary teeth 12, 18, 22, 28 and mandibular teeth 31, 41, 42 (FDI number system). The proband I-1 has also shown dental malformation of teeth and tongue tie. Family 2 (proband II) had missing maxillary lateral incisor 12, 22 (FDI number system). Cephalometric analysis showed that proband I and proband II both had mild skeleton class-II malocclusion (ANB-6º, ANB-5º respectively) with normal vertical pattern. Dental cast analysis showed class-II dental relation with large midline diastema and anterior spaces in both affected proband. The coding region of MSX1 exons were sequenced and analyzed through Bio Edit, Chromas and Seqman software’s and a missense mutation was found. Here the transition of alanine-to-glycine lead to a substitution at amino acid position 40(c.119C>G p. Ala40Gly). Conclusion: This genetic study revealed missense mutation (c.119C>G p.Ala40Gly) in exon 1 of MSX1 gene in Pakistani families with upper lateral hypodontia along with other dental anomalies including microdontia and tongue tie.
format	article
author	Muhammad Nawaz Nasrullah Mengal Shai Mureed Agha Muhammad Raza Muhammad Saeed Jamil Ahmed
author_facet	Muhammad Nawaz Nasrullah Mengal Shai Mureed Agha Muhammad Raza Muhammad Saeed Jamil Ahmed
author_sort	Muhammad Nawaz
title	A MISSENSE MUTATION OF MSX1 GENE IN PAKISTANI FAMILIES WITH HYPODONTIA
title_short	A MISSENSE MUTATION OF MSX1 GENE IN PAKISTANI FAMILIES WITH HYPODONTIA
title_full	A MISSENSE MUTATION OF MSX1 GENE IN PAKISTANI FAMILIES WITH HYPODONTIA
title_fullStr	A MISSENSE MUTATION OF MSX1 GENE IN PAKISTANI FAMILIES WITH HYPODONTIA
title_full_unstemmed	A MISSENSE MUTATION OF MSX1 GENE IN PAKISTANI FAMILIES WITH HYPODONTIA
title_sort	missense mutation of msx1 gene in pakistani families with hypodontia
publisher	Army Medical College Rawalpindi
publishDate	2019
url	https://doaj.org/article/a7963a5ce01e4deb905c7bc097231f76
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A MISSENSE MUTATION OF MSX1 GENE IN PAKISTANI FAMILIES WITH HYPODONTIA

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