Investigation of Flaviviruses Emerging in Brazil as Etiology Factor in Nonsyndromic Orofacial Cleft : Journal of Craniofacial Surgery

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Investigation of Flaviviruses Emerging in Brazil as Etiology Factor in Nonsyndromic Orofacial Cleft

Silva, Kaique C.P. PhD*; Messias, Thiago S. MSc; Soares, Simone PhD

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The Journal of Craniofacial Surgery 34(3):p 987-990, May 2023. | DOI: 10.1097/SCS.0000000000009262


Brazil has one of the largest forest areas on the planet and the potential for the emergence of new diseases. In turn, orofacial clefts, especially cleft lip and or palate (CL/P), are characterized as congenital malformations and may be associated with genetic and environmental factors. The present study aimed to investigate in silico the flavivirus’s potential to emerge in Brazil as an etiology of CL/P. A scoring method was created based on literature and nucleotide similarity analysis. An integrative analysis of the literature was performed to answer the questions through the databases PubMed/MEDLINE, SciELO, LILACS, and Google Scholar to have a more significant number of results. The software Basic Local Alignment Search Tool—BLAST 2.12.0, through the Genomic + Transcript Databases (Human Genomic plus Transcript Human G+T), was selected to find similarities with human sequences associated with CL/P. The viral sequences used were obtained from the National Center for Biotechnology Information Virus—NCBI Virus, in which only complete and referential genomes were selected. The flavivirus that emerged in Brazil and presented a high potential to cause CL/P was the Iguape virus strain (species Aroa virus), followed by the Cacipacore virus and the Rocio virus strain (species Ilheus virus) with medium potential to cause CL/P. In conclusion, we suggest among the virus evaluated that the Iguape virus presented a high potential of causing CL/P. As prevention, the control of arthropods and the hospital diffusion on viral dynamics, mainly in the CL/P context and other congenital malformations, are indicated.

Copyright © 2023 by Mutaz B. Habal, MD

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