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StarTicking

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The early ticking of the central circadian pacemaker: when and how

The 24-h (circadian) timing system develops during the perinatal period and rules our physiology later in life. It has the essential task of anticipating daily recurring changes in the environment (day/night) to find the best time... ver más

31/12/2028

FUNDACION ACHUCARR...

2M€

Presupuesto del proyecto: 2M€

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FUNDACION ACHUCARRO BASQUE CENTE Otra investigación y desarrollo experimental en ciencias naturales y técnicas asociacion

TRL 4-5 | 50K€

Financiación concedida El organismo HORIZON EUROPE notifico la concesión del proyecto el día 2023-06-29

ERC-2022-COG: ERC CONSOLIDATOR GRANTS Scope:Objectives

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Duración del proyecto: 66 meses Fecha Inicio: 2023-06-29
Fecha Fin: 2028-12-31

Líder del proyecto

FUNDACION ACHUCARRO BASQUE CENTE Otra investigación y desarrollo experimental en ciencias naturales y técnicas asociacion

TRL 4-5 | 50K€

Presupuesto del proyecto 2M€

Descripción del proyecto The 24-h (circadian) timing system develops during the perinatal period and rules our physiology later in life. It has the essential task of anticipating daily recurring changes in the environment (day/night) to find the best time for each molecular and cellular process. It is organised hierarchically, with a master pacemaker in the hypothalamic suprachiasmatic nucleus (SCN), which is able to perceive environmental light and tell the body what time is it. Our modern 24/7 lifestyle favours a disruptive environment for the circadian system, which is especially negative during pregnancy. We have found, in mice and pre-term infants, that when mothers are exposed to glucocorticoids (GCs) at the wrong time of day, the offspring show behaviour disorders later in life. Our mechanistic findings showed for the first time, a role of the foetal clock before birth, challenging the view on the clock being immature and non-functional. StarTicking proposes to answer a long-standing question in the field: When and how the circadian clock starts ticking. With a multidisciplinary and integrated approach, we will go beyond the state-of-the-art to understand mechanistically the development of the central circadian pacemaker in mice and humans. We will investigate: 1) How the SCN forms by a detailed assessment of the developmental trajectory of the mouse SCN with single cell resolution. 2) When the SCN becomes functional by testing a yet unexplored player: Astrocytes as drivers of the gain of functionality of the mouse SCN. 3) What the influence of the early environment on the human SCN maturation is. The generation of a human SCN organoid will allow us to test maternal signals in vitro with high-throughput. We will link mechanistic findings to the development of SCN-driven rhythms in a cohort of pre-term babies. StarTicking will provide ground-breaking mechanistic evidence and valuable knowledge to alleviate the behavioural consequences of the circadian disruption early in life

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