EVELIN ALINE ZANARDO
Projetos de Pesquisa
Unidades Organizacionais
LIM/36 - Laboratório de Pediatria Clínica, Hospital das Clínicas, Faculdade de Medicina
19 resultados
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Agora exibindo 1 - 10 de 19
- Gene expression changes associated with trajectories of psychopathology in a longitudinal cohort of children and adolescents(2020) OTA, Vanessa Kiyomi; SANTORO, Marcos Leite; SPINDOLA, Leticia Maria; PAN, Pedro Mario; SIMABUCURO, Andressa; XAVIER, Gabriela; VIEIRA-FONSECA, Tamiris; ZANARDO, Evelin Aline; SANTOS, Felipe Rodolfo Camargo dos; SCHAFER, Julia Luiza; KULIKOWSKI, Leslie Domenici; GALANTE, Pedro A. F.; ASPRINO, Paula Fontes; BRIETZKE, Elisa; GRASSI-OLIVEIRA, Rodrigo; ROHDE, Luis Augusto; MIGUEL, Euripedes Constantino; GADELHA, Ary; MARI, Jair Jesus; BRESSAN, Rodrigo Affonseca; SALUM, Giovanni Abrahao; BELANGERO, Sintia IoleWe aimed to identify blood gene expression patterns associated to psychopathological trajectories retrieved from a large community, focusing on the emergence and remission of general psychiatric symptoms. Hundred and three individuals from the Brazilian High-Risk Cohort Study (BHRCS) for mental disorders were classified in four groups according to Child Behavior Checklist (CBCL) total score at the baseline (w0) and after 3 years (w1): low-high (L-H) (N = 27), high-low (H-L) (N = 12), high-high (H-H) (N = 34) and low-low (L-L) groups (N = 30). Blood gene expression profile was measured using Illumina HT-12 Beadchips, and paired analyses comparing w0 and w1 were performed for each group. Results: 98 transcripts were differentially expressed comparing w0 and w1 in the L-H, 33 in the H-L, 177 in the H-H and 273 in the L-L. Of these, 66 transcripts were differentially expressed exclusively in the L-H; and 6 only in the H-L. Cross-Lagged Panel Models analyses revealed that RPRD2 gene expression at w1 might be influenced by the CBCL score at w0. Moreover, COX5B, SEC62, and NDUFA2 were validated with another technique and were also differentially regulated in postmortem brain of subjects with mental disorders, indicating that they might be important not only to specific disorders, but also to general psychopathology and symptoms trajectories. Whereas genes related to metabolic pathways seem to be associated with the emergence of psychiatric symptoms, mitochondrial inner membrane genes might be important over the course of normal development. These results suggest that changes in gene expression can be detected in blood in different psychopathological trajectories.
- Cri-du-Chat Syndrome: Revealing a Familial Atypical Deletion in 5p(2023) ALMEIDA, Vanessa T.; CHEHIMI, Samar N.; GASPARINI, Yanca; NASCIMENTO, Amom M.; CARVALHO, Gleyson F. S.; MONTENEGRO, Marilia M.; ZANARDO, Evelin Aline; DIAS, Alexandre T.; ASSUNCAO, Nilson A.; KIM, Chong A.; KULIKOWSKI, Leslie D.Introduction: Cri-du-chat syndrome is generally diagnosed when patients present a high-pitched cry at birth, microcephaly, ocular hypertelorism, and prominent nasal bridge. The karyotype is useful to confirm deletions in the short arm of chromosome 5 (5p-) greater than 10 Mb. In cases of smaller deletions, it is necessary to resort to other molecular techniques such as fluorescence in situ hybridization, multiplex ligation-dependent probe amplification (MLPA) or genomic array. Case Presentation: We report a family with an atypical deletion in 5p (mother and 2 children) and variable phenotypes compared with the literature. We applied a P064 MLPA kit to evaluate 5p- in the mother and the 2 children, and we used the Infinium CytoSNP-850K BeadChip genomic array to evaluate the siblings, an 11-year-old boy and a 13-year-old girl, to better define the 5p breakpoints. Both children presented a high-pitched cry at birth, but they did not present any of the typical physical features of 5p- syndrome. The MLPA technique with 5 probes for the 5p region revealed that the patients and their mother presented an atypical deletion with only 4 probes deleted (TERT_ex2, TERT_ex13, CLPTM1L, and IRX4). The genomic array performed in the siblings' samples revealed a 6.2-Mb terminal deletion in 5p15.33p15.32, which was likely inherited from their mother, who presented similar molecular features, seen in MLPA. Discussion: The sparing of the CTNND2 gene, which is associated with cerebral development, in both siblings may explain why these 2 patients had features such as better communication skills which most patients with larger 5p deletions usually do not present. In addition, both patients had smaller deletions than those found in patients with a typical 5p- phenotype. This report demonstrates the utility of genomic arrays as a diagnostic tool to better characterize atypical deletions in known syndromes such as 5p- syndrome, which will allow a better understanding of the genotype-phenotype correlations.
- Cytogenomics Investigation of Infants with Congenital Heart Disease: Experience of a Brazilian Center(2022) GRASSI, Marcilia Sierro; MONTENEGRO, Marilia; ZANARDO, Evelin Aline; PASTORINO, Antonio Carlos; DORNA, Mayra Barros; KIM, Chong; JATENE, Marcelo; MIURA, Nana; KULIKOWSKI, Leslie; CARNEIRO-SAMPAIO, MagdaBackground: Some syndromes have specific and easily recognizable features, while others may be more complex to identify and may present different phenotypic manifestations, for example. An etiological diagnosis is important to understand the nature of the disease, to establish the prognosis and to start the treatment, allowing the inclusion of patients in society and reducing the financial cost of such diseases. Objective: The initial proposal of this study was cytogenetic screening for the detection of the 22q11.2 deletion syndrome in consecutive newborns and infants with congenital heart disease using the multiplex ligation-dependent probe amplification (MLPA) technique. Therefore, throughout our research, other genomic alterations were identified in these cardiac patients. Thus, our objective was extended to investigate these other cytogenetic alterations. Methods: We investigated 118 neonates with congenital heart diseases born consecutively during one year using the MLPA technique. Results: The MLPA technique allowed the detection of 22q11.2DS in 10/118 patients (8.5%). Other genomic alterations were also identified in 6/118 patients (5%): 1p36 del, 8p23 del (2 cases), 7q dup, 12 dup and 8q24 dup. Conclusion: This study highlights the relevance of detecting genomic alterations that are present in newborns and infants with congenital cardiac diseases using cytogenomic tools.
- Complex structural rearrangement features suggesting chromoanagenesis mechanism in a case of 1p36 deletion syndrome(2014) ZANARDO, Evelin Aline; PIAZZON, Flavia Balbo; DUTRA, Roberta Lelis; DIAS, Alexandre Torchio; MONTENEGRO, Marilia Moreira; NOVO-FILHO, Gil Monteiro; COSTA, Thais Virginia Moura Machado; NASCIMENTO, Amom Mendes; KIM, Chong Ae; KULIKOWSKI, Leslie DomeniciGenome rearrangements are caused by the erroneous repair of DNA double-strand breaks, leading to several alterations that result in loss or gain of the structural genomic of a dosage-sensitive genes. However, the mechanisms that promote the complexity of rearrangements of congenital or developmental defects in human disease are unclear. The investigation of complex genomic abnormalities could help to elucidate the mechanisms and causes for the formation and facilitate the understanding of congenital or developmental defects in human disease. We here report one case of a patient with atypical clinical features of the 1p36 syndrome and the use of cytogenomic techniques to characterize the genomic alterations. Analysis by multiplex ligation-dependent probe amplification and array revealed a complex rearrangement in the 1p36.3 region with deletions and duplication interspaced by normal sequences. We also suggest that chromoanagenesis could be a possible mechanism involved in the repair and stabilization of this rearrangement.
- Novel rearrangements between different chromosomes with direct impact on the diagnosis of 5p-syndrome(2022) CHEHIMI, Samar Nasser; ALMEIDA, Vanessa Tavares; NASCIMENTO, Amom Mendes; ZANARDO, Evelin Aline; OLIVEIRA, Yanca Gasparini de; CARVALHO, Gleyson Francisco da Silva; WOLFF, Beatriz Martins; MONTENEGRO, Marilia Moreira; ASSUNCAO, Nilson Antonio de; KIM, Chong Ae; KULIKOWSKI, Leslie DomeniciObjectives: Copy Number Variations (CNVs) in the human genome account for common populational variations but can also be responsible for genetic syndromes depending on the affected region. Although a deletion in 5p is responsible for a syndrome with highly recognizable phenotypical features, other chromosomal abnormalities might overlap phenotypes, especially considering that most studies in 5p use traditional cytogenetic techniques and not molecular techniques. Methods: The authors have investigated 29 patients with clinical suspicion of 5p- syndrome using Chromosomal Microarray (CMA), and have gathered information on previous tests, clinical signs, symptoms, and development of the patients. Results: The results showed 23 pure terminal deletions, one interstitial deletion, one deletion followed by a 3 Mb duplication in 5p, three cases of 5p deletion concomitant to duplications larger than 20 Mb in chromosomes 2,9, and 18, and one 5p deletion with a chromosome Y deletion. CMA showed relevant CNVs not typically associated with 5p- that may have contributed to the final phenotype in these patients. Conclusions: The authors have identified three novel rearrangements between chromosomes 5 and 2 (Patient 27), 5 and 18 (Patient 11), and 5 and Y (Patient 22), with breakpoints and overlapped phenotypes that were not previously described. The authors also highlight the need for further molecular investigation using CMA, in different chromosomes beyond chromosome 5 (since those cases did not show only the typical deletion expected for the 5p- syndrome) to explain discordant chromosomal features and overlapped phenotypes to unravel the cause of the syndrome in atypical cases.
- Cytogenetics investigation in 151 Brazilian infertile male patients and genomic analysis in selected cases: experience of 14 years in a public genetic service(2024) ADRIANO, Marcia Regina Gimenes; BORTOLAI, Adriana; MADIA, Fabricia Andreia Rosa; CARVALHO, Gleyson Francisco da Silva; NASCIMENTO, Amom Mendes; ZANARDO, Evelin Aline; WOLFF, Beatriz Martins; WAISBERG, Jaques; BOS-MIKICH, Adriana; KULIKOWSKI, Leslie Domenici; DIAS, Alexandre TorchioObjectivesMale infertility accounts for approximately 30% of cases of reproductive failure. The characterization of genetic variants using cytogenomic techniques is essential for the adequate clinical management of these patients. We aimed to conduct a cytogenetic investigation of numerical and structural rearrangements and a genomic study of Y chromosome microdeletions/microduplications in infertile men derived from a single centre with over 14 years of experience.ResultsWe evaluated 151 infertile men in a transversal study using peripheral blood karyotypes and 15 patients with normal karyotypes through genomic investigation by multiplex ligation-dependent probe amplification (MLPA) or polymerase chain reaction of sequence-tagged sites (PCR-STS) techniques. Out of the 151 patients evaluated by karyotype, 13 presented chromosomal abnormalities: two had numerical alterations, and 11 had structural chromosomal rearrangements. PCR-STS detected a BPY2 gene region and RBMY2DP pseudogene region microdeletion in one patient. MLPA analysis allowed the identification of one patient with CDY2B_1 and CDY2B_2 probe duplications (CDY2B and NLGN4Y genes) and one patient with BPY2_1, BPY2_2, and BPY2_4 probe duplications (PRY and RBMY1J genes).
- Case of 15q26-qter deletion associated with a Prader-Willi phenotype(2020) SANTOS, Jessica Fernandes dos; ACOSTA, Angelina Xavier; SCHEIBLER, Gabriela Gayer; PITANGA, Paula Monique Leite; ALVES, Esmeralda Santos; MEIRA, Joanna Goes Castro; ZANARDO, Evelin Aline; KULIKOWSKI, Leslie Domenici; LIMA, Renata Lucia Leite Ferreira de; CARVALHO, Acacia Fernes Lacerda de
- GENE EXPRESSION IN BLOOD OF ADOLESCENTS WITH PSYCHIATRIC DISORDERS(2019) SPINDOLA, Leticia; SANTORO, Marcos; PAN, Pedro; TALARICO, Fernanda; XAVIER, Gabriela; CARVALHO, Carolina; GADELHA, Ary; SALUM JUNIOR, Giovanni; MIGUEL, Euripedes Constantino; ROHDE, Luis; ZANARDO, Evelin Aline; KULIKOWSKI, Leslie Domenici; BRESSAN, Rodrigo; OTA, Vanessa; BELANGERO, Sintia
- GENE EXPRESSION IN BLOOD OF ADOLESCENTS WITH PSYCHIATRIC DISORDERS(2019) SPINDOLA, Leticia; SANTORO, Marcos; PAN, Pedro; TALARICO, Fernanda; XAVIER, Gabriela; CARVALHO, Carolina; GADELHA, Ary; SALUM JUNIOR, Giovanni; MIGUEL, Euripedes Constantino; ROHDE, Luis; ZANARDO, Evelin Aline; KULIKOWSKI, Leslie Domenici; BRESSAN, Rodrigo; OTA, Vanessa; BELANGERO, Sintia
- Post-mortem cytogenomic investigations in patients with congenital malformations(2016) DIAS, Alexandre Torchio; ZANARDO, Evelin Aline; DUTRA, Roberta Lelis; PIAZZON, Flavia Balbo; NOVO-FILHO, Gil Monteiro; MONTENEGRO, Marilia Moreira; NASCIMENTO, Amom Mendes; ROCHA, Mariana; MADIA, Fabricia Andreia Rosa; COSTA, Thais Virginia Moura Machado; MILANI, Cintia; SCHULTZ, Regina; GONCALVES, Fernanda Toledo; FRIDMAN, Cintia; YAMAMOTO, Guilherme Lopes; BERTOLA, Debora Romeo; KIM, Chong Ae; KULIKOWSKI, Leslie DomeniciCongenital anomalies are the second highest cause of infant deaths, and, in most cases, diagnosis is a challenge. In this study, we characterize patterns of DNA copy number aberrations in different samples of post-mortem tissues from patients with congenital malformations. Twenty-eight patients undergoing autopsy were cytogenomically evaluated using several methods, specifically, Multiplex Ligation-dependent Probe Amplification (MLPA), micro satellite marker analysis with a MiniFiler kit, FISH, a cytogenomic array technique and bidirectional Sanger sequencing, which were performed on samples of different tissues (brain, heart, liver, skin and diaphragm) preserved in RNAlater, in formaldehyde or by paraffin -embedding. The results identified 13 patients with pathogenic copy number variations (CNVs). Of these, eight presented aneuploidies involving chromosomes 13, 18, 21, X and Y (two presented inter- and intra-tissue mosaicism). In addition, other abnormalities were found, including duplication of the TYMS gene (18p1132); deletion of the CHL1 gene (3p26.3); deletion of the HIC1 gene (17p13.3); and deletion of the TOM1L2 gene (17p11.2). One patient had a pathogenic missense mutation of g.8535C > G (c.746C > G) in exon 7 of the FGFR3 gene consistent with Thanatophoric Dysplasia type I. Cytogenomic techniques were reliable for the analysis of autopsy material and allowed the identification of inter- and intra-tissue mosaicism and a better understanding of the pathogenesis of congenital malformations.