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PBStressERMCSs

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Regulation of Processing Body Composition Function and Fate during Different St...

Regulation of Processing Body Composition Function and Fate during Different Stresses at Endoplasmic Reticulum Membrane Contact Sites One of the first responses to eukaryotic cellular stress is the formation of cytoplasmic granules like processing bodies (PBs) and stress granules (SGs). PBs are membrane-less structures that are dynamic in their assembly/disassem... ver más

31/07/2023

UNIVERSITAT BASEL

191K€

Presupuesto del proyecto: 191K€

Líder del proyecto

UNIVERSITAT BASEL 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 2023-07-31

MSCA-IF-2020: Individual Fellowships

I+D

Cerrada hace 4 años

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Información adicional privada

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

1 Participantes

UNIVERSITAT BASEL

191.15K€ | Lider

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Duración del proyecto: 24 meses Fecha Inicio: 2021-07-08
Fecha Fin: 2023-07-31

Líder del proyecto

UNIVERSITAT BASEL No se ha especificado una descripción o un objeto social para esta compañía.

TRL 4-5

Presupuesto del proyecto 191K€

Fecha límite de participación Sin fecha límite de participación.

Descripción del proyecto One of the first responses to eukaryotic cellular stress is the formation of cytoplasmic granules like processing bodies (PBs) and stress granules (SGs). PBs are membrane-less structures that are dynamic in their assembly/disassembly and composition depending on the type of stress that they encounter. While glucose starvation is the main stress applied to study PB formation and dynamics, much less is known about PBs under other stresses, especially endoplasmic reticulum (ER) and mitochondrial/lysosomal stresses. We propose to study the formation, content and dynamics of PBs under ER and mitochondrial/lysosomal stresses, together with their turnover (autophagy/dissolution) during stress recovery. I plan to use pharmacological and acute genetic interventions to induce stresses. PBs will be purified according to the established protocol in the laboratory, which enables subsequent Liquid chromatography-mass spectrometry (LC-MS) analysis for proteins and RNA-sequencing for the RNA content. Probing stress response further, we will also perform total RNA-sequencing and Ribosome-profiling. The fate of specific sets of mRNAs will be determined by FISH-IF and RNA decay analysis, thereby identifying the signals effectuating PB localization and fate (storage or decay) during ER and mitochondrial/lysosomal stress. The study will be extended to check conservation of PB stress response in mammalian cells. The proposed research will provide a holistic view on the pathways that are up- or down-regulated during ER and mitochondrial/lysosomal stress, the identification of common pathways between the different stresses and PB -mRNA and protein- turnover. This project will be of high impact in the fields of cancer, cell, and neuro biology.

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