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

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

PROVIDER: PRJNA997300 | ENA |

REPOSITORIES: ENA

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

Project description: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

2023-11-03 | GSE237955 | GEO

Six months of gender affirming hormone treatment modifies the methylome in the transgender population

Project description:The main objective was to carry out a prospective global CpG (cytosine-phosphate-guanine) methylation analysis before vs. after six months of gender affirming hormone treatment (GAHT), in a transgender population vs. a cisgender population.

2021-05-03 | GSE173717 | GEO

Longitudinal DNA methylation profiling of individuals at baseline and 6 and 12 months following Gender Affirming Hormone Therapy (GAHT)

Project description:In individuals where gender identity and sex assigned at birth are markedly and consistently incongruent, as in the case of transgender people, feminisation or masculinisation may be sought through gender affirming hormone therapy (GAHT). In this study we profiled genome-wide DNA methylation in transgender women and transgender men, before and during GAHT (6 months and 12 months into hormone treatment).

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Microbiome Transgender

Project description:The vaginal microbiome of transgender men receiving gender affirming hormonal therapy in comparison to cisgender woman

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Six months of gender affirming hormone treatment modifies the methylome in the transgender population

Project description:Six months of gender affirming hormone treatment modifies the methylome in the transgender population

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Epigenetics is implicated in the basis of gender incongruence. An epigenome-wide association analysis.

Project description:The main objective was to carry out a global DNA methylation analysis in a population with gender incongruence before gender-affirming hormone treatment (GAHT), in comparison to a cisgender population.

2021-04-27 | GSE173382 | GEO

The molecular consequences of androgen activity in the human breast (ATAC-seq data)

Project description:The mammary gland is a hormone responsive organ and has been extensively studied under the influences of estrogen and progesterone. However, the molecular implications of androgen exposure in the normal breast remain elusive and unexplored, partially due to a lack of relevant tissue to study the functional consequences of androgen action. Transgender men are born female but identify as male, and many choose to undergo gender-affirming androgen therapy, which elicits wide-ranging masculinizing effects that help align their physical characteristics and gender identity. Here we perform single cell resolution profiling of androgen treated breast tissue from transgender men at the transcriptome, chromatin, and spatial level to elucidate the regulatory action of androgen. We show male-biased androgen receptor gene targets are specifically upregulated in androgen receptor expressing cell types, and that other sex-relevant changes are also initiated in cells lacking androgen receptor expression, through paracrine signaling cascades. We observe a functionally and structurally altered epithelium, shifts in immune populations and directed reduction of capillary vasculature. Finally, we discover evidence of the metabolic impact of androgen and demonstrate how the treatment induces fat loss by specifically targeting adipocyte function. This work provides a comprehensive and mechanistic characterization of the mammary tissue responses to androgen activity at single-cell resolution.

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The molecular consequences of androgen activity in the human breast (RNA-seq data)

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RNA-seq of human Tregs from healthy cisgender and transgender individuals and patients with juvenile-onset systemic lupus erythematosus (JSLE)

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2022-09-01 | E-MTAB-11919 | biostudies-arrayexpress

Physical victimization, gender identity and suicide risk among transgender men and women.

Project description:We investigated whether being attacked physically due to one's gender identity or expression was associated with suicide risk among trans men and women living in Virginia. The sample consisted of 350 transgender men and women who participated in the Virginia Transgender Health Initiative Survey (THIS). Multivariate multinomial logistic regression was used to explore the competing outcomes associated with suicidal risk. Thirty-seven percent of trans men and women experienced at least one physical attack since the age of 13. On average, individuals experienced 3.97 (SD = 2.86) physical attacks; among these about half were attributed to one's gender identity or expression (mean = 2.08, SD = 1.96). In the multivariate multinomial regression, compared to those with no risk, being physically attacked increased the odds of both attempting and contemplating suicide regardless of gender attribution. Nevertheless, the relative impact of physical victimization on suicidal behavior was higher among those who were targeted on the basis of their gender identity or expression. Finally, no significant association was found between multiple measures of institutional discrimination and suicide risk once discriminatory and non-discriminatory physical victimization was taken into account. Trans men and women experience high levels of physical abuse and face multiple forms of discrimination. They are also at an increased risk for suicidal tendencies. Interventions that help transindividuals cope with discrimination and physical victimization simultaneously may be more effective in saving lives.

| S-EPMC4986045 | biostudies-literature

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