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CBLL1 is hypomethylated and correlates with cortical thickness in transgender men before gender affirming hormone treatment

ABSTRACT: We measured whole-genome DNA methylation by the Illumina Infinium Human Methylation 850 array and reported its correlation with cortical thickness (CTh) in 22 transgender men (TM) experiencing GD versus 25 cisgender men (CM) and 28 cisgender women (CW). With respect to the methylation analysis, TM vs. CW showed significant differences in 35 CpGs, while 2,155 CpGs were found when TM vs. CM were compared. With respect to correlation analysis, TM showed differences in methylation of CBLL1 and DLG1 genes that correlated with global and left hemisphere CTh. Both genes were hypomethylated in TM compared to the cisgender groups. Early onset TM showed a positive correlation between CBLL1 and several cortical regions in the frontal (left caudal middle frontal), temporal (right inferior temporal, left fusiform) and parietal cortices (left supramarginal and right paracentral). This is the first study relating CBLL1 methylation with CTh in transgender persons and supports a neurodevelopmental hypothesis of gender identity

ORGANISM(S): Homo sapiens

PROVIDER: GSE237955 | GEO | 2023/11/03

REPOSITORIES: GEO

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