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Am. J. Biomed. Sci. 2012, 4(3), 178-183; doi: 10.5099/aj120300178
Received: 31 December 2011; | Revised: 18 March 2012; | Accepted: 12 April 2012

 

Techniques for Genetic Analysis of Non Syndromal Cleft Lip/Palate:

A Review

 

Varun Pratap Singh1, Deepak Kumar Roy2, Pramita Suwal3, Ashok Ayer4, Prabhat Ranjan Pokharel5, Dinesh M.R.6

1 Assistant Professor & In charge, Department of Orthodontics & Dentofacial Orthopaedics, College of Dental Surgery, BPKIHS, Dharan, Nepal.

2 Dental Surgeon, Dharan, Nepal.

3 Associate Professor & Head, Department of Prosthodontics, Crown & Bridge, College of Dental Surgery, BPKIHS, Dharan, Nepal

4. Post Graduate, Dept. of Endodontics & Conservative Dentistry, College of Dental Surgery, BPKIHS, Dharan, Nepal.

5 Assistant Professor, Department of Orthodontics & Dentofacial Orthopaedics, College of Dental Surgery, BPKIHS, Dharan, Nepal.

6 Professor & Head, Dept. of Orthodontics, D.A.P.M.R.V. Dental College & Hospital, Bangalore, Karnataka, India.

*Corresponding Author:

Dr. Varun Pratap Singh

Assistant Professor & In charge

Department of Orthodontics & Dentofacial Orthopaedics

College of Dental Surgery, BPKIHS

Dharan, Nepal

Email: varundc@gmail.com

 

Abstract

       The formation of craniofacial structures during embryonic development involves various complex molecular pathways. Disturbances in these pathways either due to genetic or environmental factors may lead to orofacial clefts. Approximately two thirds of the cases are not accompanied by other anomalies and are called non syndromic. The etiology seems complex, but genetics plays a major role. With the advances in molecular biology and genetics such studies are more refined than ever before and various candidate genes have been associated with Non Syndromal cleft lip/palate in different populations. There are various techniques and models used by different investigators across the globe. In this review we intend to describe most common approaches towards genetic analysis of Non syndromic cleft and try to evaluate the merits and demerits of a particular approach.

Keywords: Association studies, cytogenetics, linkage disequilibrium, Non syndromic cleft lip/palate.

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