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Ongoing chromosomal instability in cancer real time imaging and single cell gen...

Ongoing chromosomal instability in cancer real time imaging and single cell genetics of missegregating chromosomes. Genomes from tumor cells are often grossly derailed in DNA content, with chromosomes gained, lost, fused or otherwise rearranged. Presumably, many of these aberrations stem from mistakes during cell division, during which the DNA... ver más

31/12/2022

UMC UTRECHT

188K€

Presupuesto del proyecto: 188K€

Líder del proyecto

UNIVERSITAIR MEDISCH CENTRUM UTRECHT No se ha especificado una descripción o un objeto social para esta compañía.

TRL 4-5

Fecha límite participación Sin fecha límite de participación.

Financiación concedida El organismo H2020 notifico la concesión del proyecto el día 2022-12-31

MSCA-IF-2019: Individual Fellowships

I+D

Cerrada hace 5 años

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Información adicional privada

No hay información privada compartida para este proyecto. Habla con el coordinador.

1 Participantes

UMC UTRECHT

187.57K€ | Lider

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Duración del proyecto: 32 meses Fecha Inicio: 2020-04-15
Fecha Fin: 2022-12-31

Líder del proyecto

UNIVERSITAIR MEDISCH CENTRUM UTRECHT No se ha especificado una descripción o un objeto social para esta compañía.

TRL 4-5

Presupuesto del proyecto 188K€

Fecha límite de participación Sin fecha límite de participación.

Descripción del proyecto Genomes from tumor cells are often grossly derailed in DNA content, with chromosomes gained, lost, fused or otherwise rearranged. Presumably, many of these aberrations stem from mistakes during cell division, during which the DNA is normally divided equally to both daughter cells. Cell division is often studied microscopically in 2D cell culture, while DNA sequences from cancer genomes are often re-constructed from tumor patient material. As a consequence, there is still a poor understanding regarding the direct genetic consequences of mitotic errors and as such, genomic instability. Patient-derived tumor organoids, in combination with cutting-edge technology that combines direct microscopic observation of mitotic events, with single-cell whole genome sequencing (scWGS), provide a unique opportunity to tackle these fundamental questions. To understand the occurrence and maintenance of genomic instability, I will study organoids derived from esophageal adenocarcinoma (EAC) patients. While observed in many cancers, EAC genomes in particular show genomic catastrophes and are thought to drive tumorigenic transformation. Cells will be filmed in real-time to detect mitotic errors. Daughter cells from erroneous divisions will be photoconverted, allowing single cell tracking and isolation for prospective genetic analysis. scWGS will detect imbalances in chromosome number and/or structural rearrangements between the paired daughter cells. Genetic aberrations can be directly linked to the observed mitotic error and cell fate across multiple divisions to understand its role in tumorigenesis. To couple molecular mechanisms to genetic footprints, fluorescent markers will be implemented to interrogate the type of DNA damage missegregated chromosomes receive, how this affects the subsequent cell cycles, and how this missegregated DNA is re-incorporated into the genome. Finally, I will test these findings across a panel of human tumor organoids derived from different tissues.

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