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Understanding Women’s Health Through the Lens of Hormonal Sensitivity: Genetics, Mechanisms and Health Trajectories

Objective

Hormonal sensitivity conditions such as premenstrual syndrome, hormonal medication side effects, and (peri)menopausal symptoms affect billions of women but remain poorly understood. These conditions share a common factor: fluctuations in estrogen and progesterone levels that interact with endocrine, neurological, and metabolic systems, creating a continuum of individual hormone sensitivity. UNDERwHER aims to redefine the hormone sensitivity spectrum (HSS) by addressing its biological underpinnings and health impact.

UNDERwHER builds on the applicant's recent work on 42 female reproductive health phenotypes, which demonstrated the value of genetics in understanding women’s health. By leveraging the data and opportunities in Estonian Biobank (N=140K women), we will combine self-reported HSS phenotypes with longitudinal healthcare data and app-based menstrual tracking. This unparalleled dataset will be used to characterize HSS static and dynamic subtypes through advanced clustering and modeling. Genome-wide association studies and functional genomic tools will identify genetic variants and biological pathways underlying HSS, revealing shared genetic links with other health domains. To evaluate the wider health impact, we will map the associations between HSS and long-term health outcomes, and by integrating genetic risk with observational data we will inform personalized hormonal medication recommendations. Finally, genetics-informed cellular models will uncover the transcriptomic effects of hormonal fluctuations, providing mechanistic insights.

This research will help to i) provide a new concept on female hormonal health, ii) map the biological pathways linked to HSS to provide input for drug discovery, iii) propose evidence-based approaches for genetics-informed hormonal drug prescription, and iv) facilitate research on this topic by creating unique data resources and cellular models, with the ultimate goal of improving women's health and wellbeing.

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Keywords

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Programme(s)

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Topic(s)

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Funding Scheme

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HORIZON-ERC - HORIZON ERC Grants

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Call for proposal

Procedure for inviting applicants to submit project proposals, with the aim of receiving EU funding.

(opens in new window) ERC-2025-COG

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Host institution

TARTU ULIKOOL
Net EU contribution

Net EU financial contribution. The sum of money that the participant receives, deducted by the EU contribution to its linked third party. It considers the distribution of the EU financial contribution between direct beneficiaries of the project and other types of participants, like third-party participants.

€ 1 863 125,00
Address
ULIKOOLI 18
51005 TARTU
Estonia

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Region
Eesti Eesti Lõuna-Eesti
Activity type
Higher or Secondary Education Establishments
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Total cost

The total costs incurred by this organisation to participate in the project, including direct and indirect costs. This amount is a subset of the overall project budget.

€ 1 863 125,00

Beneficiaries (1)

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