Analysis of low back pain through the methylation process in specific genes. Systematic review
Análise da dor lombar através do processo de metilação em genes específicos. Revisão sistemática
Layse Rafaela Moroti-Perugini; Isadora Fernandes Cônsolo; Valeria Aparecida Bello; Regina Célia Poli
Abstract
BACKGROUND AND OBJECTIVES: Low back pain is one of the most common complaints. Epigenetics represents a mechanism where the environment can modify gene expression without alterations in the primary DNA sequence. This can be seen in the process of DNA methylation, histone modification, and chromatin reorganization. The objective of this study was to conduct a systematic review on DNA methylation processes related to low back pain.
CONTENTS: Data were collected up to March 2023. The search was conducted on the following article search platforms: Scielo, Pubmed, Regional Portal of BVS, and LILACS. Pre-defined keywords were used in Portuguese or English: low back pain, DNA methylation, epigenomics, and epigenetics. All chosen words were verified through Health Sciences Descriptors (DeCS), and English words were verified in MesHterms. Bias risk analysis was identified. 61 genes were highlighted in the 8 articles that met the inclusion criteria. Only 2 studies presented genes in common, but one of them was in animal samples. Each analyzed gene has its particularity in performing processes, thus presenting differences in how it could generate low back pain. All studies included in this review were assessed for risk of bias.
CONCLUSION: The identified genes contribute significantly to the development of treatments and scientific knowledge. However, as the topic addressed is relatively new, further studies should be developed.
Keywords
Resumo
JUSTIFICATIVA E OBJETIVOS: Os sintomas da dor lombar são algumas das queixas mais comuns. A epigenética representa um mecanismo pelo qual o meio pode modificar a expressão gênica sem que ocorra alterações da sequência primária de DNA. Isso pode ser visto em processos de metilação de DNA, modificação de histonas e reorganização de cromatina. O objetivo deste estudo foi realizar uma revisão sistemática sobre o processo de metilação de DNA relacionado à dor lombar.
CONTEÚDO: A revisão sistemática foi realizada com os dados coletados até março de 2023. A pesquisa foi realizada nas plataformas de busca de artigos: Scielo, Pubmed, Portal Regional da Biblioteca Virtual da Saúde e LILACS. Foram utilizadas palavras-chaves pré-definidas na língua portuguesa ou inglesa: - dor lombar ou low back pain, metilação de DNA ou DNA methylation, epigenômica ou epigenetic; sendo que todas as palavras escolhidas foram verificadas através dos Descritores em Ciências da Saúde (DeCS) e as palavras na língua inglesa foram verificadas no MeSH terms. A análise do risco de viés foi identificada. Nos oito artigos que preencheram os critérios de inclusão foram destacados 61 genes, sendo que apenas dois trabalhos apresentaram genes em comum, porém um deles em amostras animais. Cada gene analisado possui sua particularidade na realização de processos; portanto, apresentando diferenças na forma como poderá gerar a lombalgia. Todos os estudos incluídos nesta revisão tiveram o risco de viés avaliado.
CONCLUSÃO: Os genes identificados podem contribuir para a evolução de tratamentos e conhecimento científico. Porém, como o tema abordado é relativamente novo, mais estudos devem ser desenvolvidos.
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Referências
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Submetido em:
16/01/2023
Aceito em:
11/06/2023
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