OVO-GROWTH SIGNED
Oogenesis spotlighted: making mature human oocytes
Total Cost €
0EC-Contrib. €
0Partnership
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Project "OVO-GROWTH" data sheet
The following table provides information about the project.
| Coordinator |
ACADEMISCH ZIEKENHUIS LEIDEN
Organization address contact info |
| Coordinator Country | Netherlands [NL] |
| Total cost | 2˙000˙000 € |
| EC max contribution | 2˙000˙000 € (100%) |
| Programme |
1. H2020-EU.1.1. (EXCELLENT SCIENCE - European Research Council (ERC)) |
| Code Call | ERC-2016-COG |
| Funding Scheme | ERC-COG |
| Starting year | 2017 |
| Duration (year-month-day) | from 2017-07-01 to 2022-06-30 |
Partnership
Take a look of project's partnership.
| # | ||||
|---|---|---|---|---|
| 1 | ACADEMISCH ZIEKENHUIS LEIDEN | NL (LEIDEN) | coordinator | 2˙000˙000.00 |
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Project objective
Women who survive childhood cancer often fail to conceive because their eggs are damaged by (gonadotoxic) chemotherapy. A major breakthrough has been the possibility to cryopreserve cortical strips of their ovarian tissue for autologous transplantation later in life. This has led to over 40 successful pregnancies worldwide, the latest in the Netherlands. However, the risk of reintroducing cancer cells with the ovarian graft in patients with previous hematopoietic malignancies is too great and alternatives are needed. Here, I propose to build on my expertise in gametogenesis in mice and humans and perform a detailed study of the cellular networks and molecular pathways that control development and maturation of the oocyte within the human ovary. We have access and ethical approval for research on human foetal tissue and postnatal ovarian biopsies over a wide age range. I will use this rare material to systematically benchmark the transcriptional profile of cells in the human ovary (oocytes as well as somatic cells) during development and adulthood using Drop-seq, a novel cost-efficient single-cell technology that allows the profiling of thousands of cells in a matter of hours. Thereafter, we will apply mathematical algorithms to reveal cellular identities, developmental trajectories and signalling networks that control oogenesis. With this knowledge, I plan to engineer a human follicular niche creating a “mini-ovary” in vitro that could support the formation and maturation of the oocyte (using patient-specific cells) and to explore mechanisms of follicle maturation through a xenotransplantation mouse model. The cellular outcomes of these assays will be sequenced using Drop-seq and directly compared to their in vivo counterparts. Our approach will lead to more effective personalized-therapy for fertility preservation and contribute to the development of an in vitro mini-ovary organoid model to use in human reproductive toxicology and disease modelling.
Publications
| year | authors and title | journal | last update |
|---|---|---|---|
| 2019 |
X. Fan, M. Bialecka, I. Moustakas, E. Lam, V. Torrens-Juaneda, N. V. Borggreven, L. Trouw, L. A. Louwe, G. S. K. Pilgram, H. Mei, L. van der Westerlaken, S. M. Chuva de Sousa Lopes Single-cell reconstruction of follicular remodeling in the human adult ovary published pages: , ISSN: 2041-1723, DOI: 10.1038/s41467-019-11036-9 |
Nature Communications 10/1 | 2020-01-29 |
| 2018 |
Ãbel Vértesy, Wibowo Arindrarto, Matthias S. Roost, Björn Reinius, Vanessa Torrens-Juaneda, Monika Bialecka, Ioannis Moustakas, Yavuz Ariyurek, Ewart Kuijk, Hailiang Mei, Rickard Sandberg, Alexander van Oudenaarden, Susana M. Chuva de Sousa Lopes Parental haplotype-specific single-cell transcriptomics reveal incomplete epigenetic reprogramming in human female germ cells published pages: na, ISSN: 2041-1723, DOI: 10.1038/s41467-018-04215-7 |
Nature Communications 9/1 | 2019-05-27 |
| 2017 |
Maria Gomes Fernandes, Nannan He, Fang Wang, Liesbeth Van Iperen, Cristina Eguizabal, Roberto Matorras, Bernard A J Roelen, Susana M Chuva De Sousa Lopes Human-specific subcellular compartmentalization of P-element induced wimpy testis-like (PIWIL) granules during germ cell development and spermatogenesis published pages: 258-269, ISSN: 0268-1161, DOI: 10.1093/humrep/dex365 |
Human Reproduction 33/2 | 2019-03-12 |
| 2018 |
Maria Gomes Fernandes, Monika Bialecka, Daniela C F Salvatori, Susana M Chuva de Sousa Lopes Characterization of migratory primordial germ cells in the aorta-gonad-mesonephros of a 4.5-week-old human embryo: a toolbox to evaluate in vitro early gametogenesis published pages: 233-243, ISSN: 1460-2407, DOI: 10.1093/molehr/gay011 |
MHR: Basic science of reproductive medicine 24/5 | 2019-03-12 |
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