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Victor Borda Ronaldo da Silva Francisco Junior Joseane B. Carvalho Guilherme L. Morais tila Duque Rossi Paula Pezzuto Girlene S. Azevedo Bruno L. Schamber-Reis Elyzabeth A. Portari Adriana Melo Maria Elisabeth L. Moreira Letícia C. Guida Daniela P. Cunha Leonardo Gomes Zilton F. M. Vasconcelos Fabio R. Faucz Amilcar Tanuri Constantine A. Stratakis Renato S. Aguiar Cynthia Chester Cardoso Ana Tereza Ribeiro de Vasconcelos 《PLoS neglected tropical diseases》2021,15(6)
Congenital Zika Syndrome (CZS) is a critical illness with a wide range of severity caused by Zika virus (ZIKV) infection during pregnancy. Life-threatening neurodevelopmental dysfunctions are among the most common phenotypes observed in affected newborns. Risk factors that contribute to susceptibility and response to ZIKV infection may be related to the virus itself, the environment, and maternal genetic background. Nevertheless, the newborn’s genetic contribution to the critical illness is still not elucidated. Here, we aimed to identify possible genetic variants as well as relevant biological pathways that might be associated with CZS phenotypes. For this purpose, we performed a whole-exome sequencing in 40 children born to women with confirmed exposure to ZIKV during pregnancy. We investigated the occurrence of rare harmful single-nucleotide variants (SNVs) possibly associated with inborn errors in genes ontologically related to CZS phenotypes. Moreover, an exome-wide association analysis was also performed using a case-control design (29 CZS cases and 11 controls), for both common and rare variants. Five out of the 29 CZS patients harbored known pathogenic variants likely to contribute to mild to severe manifestations observed. Approximately, 30% of affected individuals carried at least one pathogenic or likely pathogenic SNV in genes candidates to play a role in CZS. Our common variant association analysis detected a suggestive protective effect of the rs2076469 in DISP3 gene (p-value: 1.39 x 10−5). The IL12RB2 gene (p-value: 2.18x10-11) also showed an unusual distribution of nonsynonymous rare SNVs in control samples. Finally, genes harboring harmful variants are involved in processes related to CZS phenotypes such as neurological development and immunity. Therefore, both rare and common variations may be likely to contribute as the underlying genetic cause of CZS susceptibility. The variations and pathways identified in this study may also have implications for the development of therapeutic strategies in the future. 相似文献
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Because Journal Clubs (JClubs) represent valued educational tools, we often assume optimality of Journal Club practices. We analyze here JClubs records from a research group to identify factors that modify how much attendants benefit from discussing a paper. We demonstrate that attendants benefit most from papers focusing on systems similar to those they work on and that their ability to profit from different contribution types changes with research experience. Common JClubs practices such as the assignment of the paper selection to a single individual could thus compromise participant experience. Our conclusions may also be generalizable to situations outside academia. 相似文献