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DescendPain

Financiado

Descending control of pain

Pain is a large societal and health problem. Although often thought of as an invariant representation of active nociceptors, pain varies a lot under the influence of different affective states, sometimes with near complete analges... ver más

31/12/2027

3M€

Presupuesto del proyecto: 3M€

Líder del proyecto

KAROLINSKA INSTITUTET No se ha especificado una descripción o un objeto social para esta compañía.

TRL 4-5

Financiación concedida El organismo HORIZON EUROPE notifico la concesión del proyecto el día 2022-05-02

ERC-2021-ADG: ERC ADVANCED GRANTS Scope:Objectives

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Cerrada hace 3 años

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1 Participantes

2.50M€ | Lider

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Duración del proyecto: 67 meses Fecha Inicio: 2022-05-02
Fecha Fin: 2027-12-31

Líder del proyecto

KAROLINSKA INSTITUTET No se ha especificado una descripción o un objeto social para esta compañía.

TRL 4-5

Presupuesto del proyecto 3M€

Descripción del proyecto Pain is a large societal and health problem. Although often thought of as an invariant representation of active nociceptors, pain varies a lot under the influence of different affective states, sometimes with near complete analgesia. Such modulation of pain is thought to occur through a descending pathway originating in the brain and to be executed by Rostral Ventromedial Medulla (RVM) neurons that project to the spinal cord. Deciphering the complexity of the cell types involved and how they contribute to the descending control of pain has been challenging, but recent advances in single-cell omics, computational biology and advanced genetic technologies now open for unbiased system-wide insights. DescendPain will uncover the power of the brain to control pain. We will classify RVM neuron types by single-cell RNA-sequencing and use scRNAseq-based stimulus-to-cell-type mapping to identify neuronal ensembles conferring analgesia and hyperalgesia during morphine, naloxone, stress, sleep-deprivation and exercise. Using activity-based mouse genetics, we will reveal the full complexity of the combinations of neurons engaged and unravel their role in pain modulation, thus identifying for the first time the cellular basis for how affective states modulate pain. We will also use novel intersectional strategies for dual capturing of active neurons to determine how the descending RVM controls the transmission of pain in the ascending pathway of the spinal cord. Finally, we will identify the memory substrate underlying chronic pain, providing evidence for the existence of RVM neuron ensembles of chronic pain and revealing underlying cellular and molecular mechanisms. This project takes a new system-wide strategy in the pain field that should fundamentally change the view of pain, by providing a cellular basis for how it is continuously scaled by mental states and uncovering mechanisms of chronic pain, which may provide strategies for designing effective pain therapies.

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