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  1. Article: Detection of Mosaic Variants in Mothers of MPS II Patients by Next Generation Sequencing.

    Oliveira Netto, Alice Brinckmann / Brusius-Facchin, Ana Carolina / Leistner-Segal, Sandra / Kubaski, Francyne / Josahkian, Juliana / Giugliani, Roberto

    Frontiers in molecular biosciences

    2021  Volume 8, Page(s) 789350

    Abstract: Mucopolysaccharidosis type II is an X-linked lysosomal storage disorder caused by mutations in ... ...

    Abstract Mucopolysaccharidosis type II is an X-linked lysosomal storage disorder caused by mutations in the
    Language English
    Publishing date 2021-11-05
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2814330-9
    ISSN 2296-889X
    ISSN 2296-889X
    DOI 10.3389/fmolb.2021.789350
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article: Gene-environment interactions and preterm birth predictors: A Bayesian network approach.

    Elias, Dario E / Santos, Maria R / Campaña, Hebe / Poletta, Fernando A / Heisecke, Silvina L / Gili, Juan A / Ratowiecki, Julia / Cosentino, Viviana R / Uranga, Rocio / Málaga, Diana Rojas / Oliveira Netto, Alice Brinckmann / Brusius-Facchin, Ana Carolina / Saleme, César / Rittler, Mónica / Krupitzki, Hugo B / Camelo, Jorge S Lopez / Gimenez, Lucas G

    Genetics and molecular biology

    2024  Volume 46, Issue 4, Page(s) e20230090

    Abstract: Preterm birth (PTB) is the main condition related to perinatal morbimortality worldwide. The aim of this study was to identify gene-environment interactions associated with spontaneous PTB or its predictors. We carried out a retrospective case-control ... ...

    Abstract Preterm birth (PTB) is the main condition related to perinatal morbimortality worldwide. The aim of this study was to identify gene-environment interactions associated with spontaneous PTB or its predictors. We carried out a retrospective case-control study including parental sociodemographic and obstetric data as well as newborn genetic variants of 69 preterm and 61 at term newborns born at a maternity hospital from Tucumán, Argentina, between 2005 and 2010. A data-driven Bayesian network including the main PTB predictors was created where we identified gene-environment interactions. We used logistic regressions to calculate the odds ratios and confidence intervals of the interactions. From the main PTB predictors (nine exposures and six genetic variants) we identified an interaction between low neighbourhood socioeconomic status and rs2074351 (PON1, genotype GG) variant that was associated with an increased risk of toxoplasmosis (odds ratio 12.51, confidence interval 95%: 1.71 - 91.36). The results of this exploratory study suggest that structural social disparities could influence the PTB risk by increasing the frequency of exposures that potentiate the risk associated with individual characteristics such as genetic traits. Future studies with larger sample sizes are necessary to confirm these findings.
    Language English
    Publishing date 2024-01-19
    Publishing country Brazil
    Document type Journal Article
    ZDB-ID 1445712-x
    ISSN 1678-4685 ; 1415-4757
    ISSN (online) 1678-4685
    ISSN 1415-4757
    DOI 10.1590/1678-4685-GMB-2023-0090
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article: Neonatal screening for spinal muscular atrophy: A pilot study in Brazil.

    Oliveira Netto, Alice Brinckmann / Brusius-Facchin, Ana Carolina / Lemos, Júlia F / Pasetto, Fernanda B / Brasil, Carolina S / Trapp, Franciele B / Saute, Jonas Alex Morales / Donis, Karina Carvalho / Becker, Michele Michelin / Wiest, Paloma / Coutinho, Vivian L S / Castro, Simone / Ferreira, Juliana / Silveira, Cynthia / Bittar, Maria Fernanda R / Wang, Cristina / Lana, Janaina M / França Junior, Marcondes Cavalcante / Giugliani, Roberto

    Genetics and molecular biology

    2023  Volume 46, Issue 3 Suppl 1, Page(s) e20230126

    Abstract: Spinal muscular atrophy (SMA) is considered one of the most common autosomal recessive disorders, with an estimated incidence of 1 in 10,000 live births. Testing for SMA has been recommended for inclusion in neonatal screening (NBS) panels since there ... ...

    Abstract Spinal muscular atrophy (SMA) is considered one of the most common autosomal recessive disorders, with an estimated incidence of 1 in 10,000 live births. Testing for SMA has been recommended for inclusion in neonatal screening (NBS) panels since there are several therapies available and there is evidence of greater efficacy when introduced in the pre/early symptomatic phases. In Brazil, the National Neonatal Screening Program tests for six diseases, with a new law issued in 2021 stating that it should incorporate more diseases, including SMA. In the present study, dried blood spot (DBS) samples collected by the Reference Services of Neonatal Screening of RS and SP, to perform the conventional test were also screened for SMA, using real-time PCR, with SALSA MC002 technique. A total of 40,000 samples were analyzed, enabling the identification of four positive cases of SMA, that were confirmed by MLPA. Considering our sampling, Brazil seems to have an incidence comparable to the described in other regions. This work demonstrated that the use of the MC002 technique in samples routinely collected for the conventional NBS program is suitable to screen for SMA in our conditions and can be included in the expansion of the neonatal screening programs.
    Language English
    Publishing date 2023-12-11
    Publishing country Brazil
    Document type Journal Article
    ZDB-ID 1445712-x
    ISSN 1678-4685 ; 1415-4757
    ISSN (online) 1678-4685
    ISSN 1415-4757
    DOI 10.1590/1678-4685-GMB-2023-0126
    Database MEDical Literature Analysis and Retrieval System OnLINE

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