The role of MSX1 gene in affected families of hypodontia attending in Tertiary Care Hospital of Quetta

Paper Details

Research Paper 01/07/2018
Views (222) Download (15)
current_issue_feature_image
publication_file

The role of MSX1 gene in affected families of hypodontia attending in Tertiary Care Hospital of Quetta

Muhammad Nawaz, Nasrullah Mengal, Agha Muhammad Raza, Nisar Ahmed, Muhammad Saeed, Jamil Ahmad
Int. J. Biosci.13( 1), 425-429, July 2018.
Certificate: IJB 2018 [Generate Certificate]

Abstract

The purpose of this study is to identify genotype and phenotype of in Pakistani families with hypodontia and to map the genes locus responsible for this disease. Tooth agenesis known as hypodontia, is a tooth developmental anomaly characterized by congenital absence of one or more teeth. It may occur in primary or secondary dentition and is one of the common craniofacial anomalies. Hypodontia prevalence of is 4.7% for females and 1.3% for males. Third molar agenesis is the most common with an incidence of 20% in general population of Pakistan. The etiology of hypodontia is mainly Genetics whereas environmental factors may also play a role in hypodontia. Blood samples (5ml) were collected from all family members. Genomic DNA was extracted by using inorganic method. All the two coding exons of MSX1 (NM_002448.3) were amplified and sequenced. Sequencing of the MSX1 coding exons and splice sites showed a homozygous missense substitution in exon 1 (c.119C>G p.Ala40Gly) in the two affected individuals of the two families out of fifteen families. We identified a missense mutation (p.Ala40Gly) in MSX1 gene coding exon 1 in two Pakistani families with hypodontia.

VIEWS 12

Cobourne MT. 2007. Familial human hypodontia–is it all in the genes? Br Dent J 203(4), 203-208. DOI: 10.1038/bdj.2007.732

Dhanrajani PJ. 2002. Hypodontia: Etiology, clinical features, and management. Quintessence international 33(4).

Han D, Gong Y, Wu H, Zhang X, Yan M, Wang X, Song S. 2008. Novel EDA mutation resulting in X-linked non-syndromic hypodontia and the pattern of EDA-associated isolated tooth agenesis. European journal of medical genetics 51(6), 536-546.

Jumlongras D, Bei M, Stimson JM, Wang WF, DePalma SR, Seidman CE, Olsen BR. 2001. A nonsense mutation in MSX1 causes Witkop syndrome. The American Journal of Human Genetics 69(1), 67-74.

Mostowska A, Biedziak B, Jagodzinski PP. 2012. Novel MSX1 mutation in a family with autosomal-dominant hypodontia of second premolars and third molars. Arch Oral Biol 57(6), 790-795. DOI: 10.1016/j.archoralbio.2012.01.003

Paixao-Cortes VR, Braga T, Salzano FM, Mundstock K, Mundstock CA, Bortolini MC. 2011. PAX9 and MSX1 transcription factor genes in non-syndromic dental agenesis. Arch Oral Biol 56(4), 337-344. DOI: 10.1016/j.archoralbio.2010.10.020

Pinho T, Silva-Fernandes A, Bousbaa H, Maciel P. 2010. Mutational analysis of MSX1 and PAX9 genes in Portuguese families with maxillary lateral incisor agenesis. Eur J Orthod 32(5), 582-588. DOI: 10.1093/ejo/cjp155

Shahid, M. Genetic Anomalies and Tooth Agenesis: Review Article.

Swinnen S, BailleulForestier I, Arte S, Nieminen P, Devriendt K, Carels C. 2008. Investigating the etiology of multiple tooth agenesis in three sisters with severe oligodontia. Orthodontics & craniofacial research 11(1), 24-31.

Vastardis H, Karimbux N, Guthua SW, Seidman J, Seidman CE. 1996. A human MSX1 homeodomain missense mutation causes selective tooth agenesis. Nature genetics 13(4), 417-421.

Vastardis H, Karimbux N, Guthua SW, Seidman JG, Seidman CE. 1996. A human MSX1 homeodomain missense mutation causes selective tooth agenesis. Nat Genet 13(4), 417-421.

Xuan K, Jin F, Liu YL, Yuan LT, Wen LY, Yang FS, Jin Y. 2008. Identification of a novel missense mutation of MSX1 gene in Chinese family with autosomal-dominant oligodontia. Arch Oral Biol 53(8), 773-779. DOI: 10.1016/j.archoralbio. 2008.02.012

Zhang H, Hu G, Wang H, Sciavolino P, Iler N, Shen MM, Abate-Shen C. 1997. Heterodimerization of Msx and Dlx homeoproteins results in functional antagonism. Molecular and cellular biology 17(5), 2920-2932.