Clinical Research Directory

Study of Congenital Orofacial Clefts by Implementing Optical Genome Mapping

Sponsor: Centre Hospitalier Universitaire, Amiens

Summary

Orofacial clefts, the most common congenital craniofacial malformations, have a complex etiology involving an interaction between genetic and environmental factors. Chromosomal abnormalities, including structural variations, represent a major cause of human pathology. Recently, technological developments and the introduction of next-generation sequencing (NGS) technologies have revolutionized the field of medical genetics. Optical genome mapping (OGM) is an innovative, high-resolution "long read" technique that enables the identification of all classes of chromosomal variation, consisting in the direct visualization of long, labeled DNA molecules throughout the genome. This technology is gradually becoming an essential tool for studying onco-hematology and constitutional genetic pathologies The purpose of this study is to search for structural chromosomal variants (SV) or copy number variants (CNV) not identifiable either by cytogenetic methods nor by "short read" NGS "short read, in individuals with oral-facial clefts with no genetic diagnosis.

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