Início
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Arquivos
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v. 2 n. 4 (2021)
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II Congresso Brasileiro de Biologia Molecular On-line
ANÁLISE IN SILICO DE MICRORNAS PRESENTES EM SNORNAS EM AMOSTRAS DE PACIENTES COM CÂNCER DE PÊNIS
Autores
Eldevan da Silva Barbosa
Ana Gabrielly De Melo Matos
Amanda Silva Marques
Eleilde Almeida Araújo
Jaqueline Diniz Pinho
Palavras-chave:
CÂNCER DE PÊNIS, IN SILICO, MICRORNAS, SNORNAS, TUMORIGÊNESE
Resumo
Introdução: O câncer de pênis (CP) é uma neoplasia rara que apresenta elevada incidência no Brasil, em especial no Maranhão, e os mecanismos genéticos que desencadeiam este tumor ainda são escassos, a identificação das funções dos snoRNAs, poderá contribuir no entendimento deste câncer de forma mais abrangente, estudos recentes revelam que os snoRNAs teria funções não–canônicas, como: regular a estrutura da cromatina, ser precursor de miRNAs e piRNAs, splicing alternativo, mediadores de estresse oxidativo, além de outras funções desconhecidas. Objetivos: Portanto, o objetivo deste trabalho foi identificar, através de ferramentas in silico, as funções canônicas e não canônicas dos snoRNAs expressos em amostras de pacientes com câncer de pênis. Materiais e Métodos: Os dados para este tipo de tumor são referentes a análise de array realizado por meio da plataforma Affymetrix. Para a identificação dos microRNAs em snoRNAs foi utilizado a plataforma miRBase, e a análise ontológica de genes alvos e vias envolvidas com os microRNAs foram preditos usando bases de dados do miRBase, e da plataforma DIANA Tools. Resultados: Com isso identificamos 5 microRNAs (hsa-miR- 664b-3p, hsa-miR-664b-5p, hsa-miR-6516-3p, hsa-miR-6516-5p, hsa-miR-3651), onde a análise in silico revelou que esses microRNAs regulam 141 genes, entre eles estão: FUT9, OXSM, GALNT7, EXT1, PDE10A, NOS1AP, PAX6, ERBB4, PLN. Estes genes regulam vias como: biossíntese de glicoesfingolipídios, biossíntese de mucina tipo O-glicano, vias de sinalização que regulam a pluripotência de células-tronco e glioma. Conclusão: Podemos concluir que os microRNAs apresentam papel fundamental para a tumorigênese em CP, os dados demonstram a diversidade de funções dos microRNAs em snoRNAs, e a relação destas biomoléculas em vias que normalmente estão desreguladas em câncer, o estudo destas biomoléculas pode ajudar a elucidar o processo carcinogênico do câncer de pênis.
Como Citar
Barbosa, E. da S. ., Matos, A. G. D. M. ., Marques, A. S. ., Araújo, E. A. ., & Pinho, J. D. . (2021). ANÁLISE IN SILICO DE MICRORNAS PRESENTES EM SNORNAS EM AMOSTRAS DE PACIENTES COM CÂNCER DE PÊNIS. Revista Multidisciplinar Em Saúde , 2 (4), 25. https://doi.org/10.51161/rems/2339
Seção
II Congresso Brasileiro de Biologia Molecular On-line
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