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Hum Mol Genet ; 32(7): 1063-1071, 2023 03 20.
Artigo em Inglês | MEDLINE | ID: mdl-36048862

RESUMO

Precision medicine carries great potential for management of all tumor types. The aim of this retrospective study was to investigate if the two most common genetically distinct uterine fibroid subclasses, driven by aberrations in MED12 and HMGA2 genes, respectively, influence response to treatment with the progesterone receptor modulator ulipristal acetate. Changes in diameter and mutation status were derived for 101 uterine fibroids surgically removed after ulipristal acetate treatment. A significant difference in treatment response between the two major subclasses was detected. MED12 mutant fibroids had 4.4 times higher odds of shrinking in response to ulipristal acetate treatment as compared to HMGA2 driven fibroids (95% confidence interval 1.37-13.9; P = 0.013), and in a multivariate analysis molecular subclassification was an independent predictive factor. Compatible with this finding, gene expression and DNA methylation analyses revealed subclass specific differences in progesterone receptor signaling. The work provides a proof-of-principle that uterine fibroid treatment response is influenced by molecular subclass and that the genetic subclasses should be taken into account when evaluating current and future uterine fibroid therapies.


Assuntos
Leiomioma , Neoplasias Uterinas , Feminino , Humanos , Neoplasias Uterinas/tratamento farmacológico , Neoplasias Uterinas/genética , Neoplasias Uterinas/patologia , Receptores de Progesterona/genética , Receptores de Progesterona/metabolismo , Estudos Retrospectivos , Leiomioma/tratamento farmacológico , Leiomioma/genética , Leiomioma/patologia , Fatores de Transcrição
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