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Cleft lip and cleft palate (CL/P) are among the most common congenital malformations in neonates and have syndromic or nonsyndromic forms. Nonsyndromic forms of malformation are being reported to be associated with chromosomal DNA modification by teratogenic exposure and to complex genetic contributions of multiple genes. Syndromic forms are shown to be related to chromosomal aberrations or monogenic diseases. There is a growing body of data illustrating the association of several genes with risk of developing this malformation, including genetic defects in T-box transcription factor-22 (TBX22), interferon regulatory factor-6 (IRF6), and poliovirus receptor-like-1 (PVRL1), responsible for X-linked cleft palate, cleft lip/palate-ectodermal dysplasia syndrome, and Van der Woude and popliteal pterygium syndromes, respectively. Genetic variants in MTR, PCYT1A, ASS1, SLC 25A13, GSTM1, GSTT1, SUMO1 BHMT1, and BHMT2 are being reported to be linked with CL/P risk. The etiology of nonsyndromic CLP is still remained to be unknown, although mutations in candidate genes have been found. Here, we provide an overview about the potential variants to be associated with CL/P for identification of the relative risk of CLP with respect to the basis of genetic background and environmental factors (e.g., dietary factors, alcohol use). © 2022. The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature.


Saeedeh Askarian, Masoumeh Gholami, Ghazaleh Khalili-Tanha, Negin Chaeichi Tehrani, Mona Joudi, Majid Khazaei, Gordon A Ferns, Seyed Mahdi Hassanian, Amir Avan, Marjan Joodi. The genetic factors contributing to the risk of cleft lip-cleft palate and their clinical utility. Oral and maxillofacial surgery. 2023 Jun;27(2):177-186

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PMID: 35426585

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