Frontonasal dysplasia: a review

Frontonasal dysplasia (FND) is a rare complex genetic facial malformation, mostly characterized by affecting the face and head regions of the body. Craniofacial defects can have a severe impact, revealing different types of clinical phenotypes, which are broadly grouped as frontonasal dysplasias (FN...

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Main Authors: Muhammad Umair, Farooq Ahmad, Muhammad Bilal, Muhammad Arshad
Format: Article
Language:English
Published: Discover STM Publishing Ltd 2018-12-01
Series:Journal of Biochemical and Clinical Genetics
Subjects:
Online Access:http://www.ejmanager.com/fulltextpdf.php?mno=302642871
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author Muhammad Umair
Farooq Ahmad
Muhammad Bilal
Muhammad Arshad
author_facet Muhammad Umair
Farooq Ahmad
Muhammad Bilal
Muhammad Arshad
author_sort Muhammad Umair
collection DOAJ
description Frontonasal dysplasia (FND) is a rare complex genetic facial malformation, mostly characterized by affecting the face and head regions of the body. Craniofacial defects can have a severe impact, revealing different types of clinical phenotypes, which are broadly grouped as frontonasal dysplasias (FNDs). FNDs have been classified along with selected disorders on the genetic and molecular basis. FND is clinically diagnosed on the basis of at least two features including median facial cleft, broad nasal bridge, ocular hypertelorism, widened philtrum, median cleft upper lip, widow's peak frontal hairline and missing or underdeveloped nasal tip. The three types of FNDs are caused by the ALX genes (ALX1, ALX3, ALX4). Genes and pathways related to facial development are associated with direct or indirect expression of the FGF8, the SHH, and the BMP4. The present review provides a detail literature review on the FND phenotypes and mutation update of different genes involved that will help in proper classification, genetic counseling, and diagnosis of the affected families. [JBCGenetics 2018; 1(2.000): 66-76]
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spelling doaj.art-63d0c98e87a54e82b3214400ec0a0ee72023-05-29T05:16:19ZengDiscover STM Publishing LtdJournal of Biochemical and Clinical Genetics1658-807X2018-12-0112667610.24911/JBCGenetics/183-1530765389302642871Frontonasal dysplasia: a reviewMuhammad Umair0Farooq Ahmad1Muhammad Bilal2Muhammad Arshad3Department of Biochemistry, Faculty of Biological Sciences, Quaid-i-Azam University, Islamabad, Pakistan Department of Biochemistry, Faculty of Biological Sciences, Quaid-i-Azam University, Islamabad, Pakistan Department of Biochemistry, Faculty of Biological Sciences, Quaid-i-Azam University, Islamabad, Pakistan Department of Bioinformatics & Biotechnology, International Islamic University, Islamabad, PakistanFrontonasal dysplasia (FND) is a rare complex genetic facial malformation, mostly characterized by affecting the face and head regions of the body. Craniofacial defects can have a severe impact, revealing different types of clinical phenotypes, which are broadly grouped as frontonasal dysplasias (FNDs). FNDs have been classified along with selected disorders on the genetic and molecular basis. FND is clinically diagnosed on the basis of at least two features including median facial cleft, broad nasal bridge, ocular hypertelorism, widened philtrum, median cleft upper lip, widow's peak frontal hairline and missing or underdeveloped nasal tip. The three types of FNDs are caused by the ALX genes (ALX1, ALX3, ALX4). Genes and pathways related to facial development are associated with direct or indirect expression of the FGF8, the SHH, and the BMP4. The present review provides a detail literature review on the FND phenotypes and mutation update of different genes involved that will help in proper classification, genetic counseling, and diagnosis of the affected families. [JBCGenetics 2018; 1(2.000): 66-76]http://www.ejmanager.com/fulltextpdf.php?mno=302642871frontonasal dysplasiafndalx1alx3alx4
spellingShingle Muhammad Umair
Farooq Ahmad
Muhammad Bilal
Muhammad Arshad
Frontonasal dysplasia: a review
Journal of Biochemical and Clinical Genetics
frontonasal dysplasia
fnd
alx1
alx3
alx4
title Frontonasal dysplasia: a review
title_full Frontonasal dysplasia: a review
title_fullStr Frontonasal dysplasia: a review
title_full_unstemmed Frontonasal dysplasia: a review
title_short Frontonasal dysplasia: a review
title_sort frontonasal dysplasia a review
topic frontonasal dysplasia
fnd
alx1
alx3
alx4
url http://www.ejmanager.com/fulltextpdf.php?mno=302642871
work_keys_str_mv AT muhammadumair frontonasaldysplasiaareview
AT farooqahmad frontonasaldysplasiaareview
AT muhammadbilal frontonasaldysplasiaareview
AT muhammadarshad frontonasaldysplasiaareview