Glial overexpression of Tspo extends lifespan and protects against frataxin deficiency in Drosophila

Jullian, Estelle; Russi, Maria; Turki, Ema; Bouvelot, Margaux; Tixier, Laura; Middendorp, Sandrine; Martin, Elodie; Monnier, Véronique

doi:10.1016/j.biochi.2024.05.003

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2024

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Cited by 3 publications

References 48 publications

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Animal models of neuropathic pain

Casaril,

Gaffney,

Shepherd

2024

International Review of Neurobiology

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Animal models of neuropathic pain

Casaril,

Gaffney,

Shepherd

2024

International Review of Neurobiology

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Translocator protein (TSPO), still an enigmatic transmembrane protein: From structures to functions

Lacapere,

Papadopoulos

2024

Biochimie

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Interaction between mitochondrial translocator protein and aging in inflammatory responses in mouse hippocampus

Lai,

Tham,

Fairley

et al. 2024

Preprint

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The mitochondrial translocator protein (TSPO) is a biomarker of inflammation which is upregulated in the brain in aging and associated neurodegenerative diseases, such as Alzheimer’s disease (AD). Here we investigated the interaction between aging and TSPO immunomodulatory function in mouse hippocampus, a region severely affected in AD. Aging resulted in a reversal of TSPO knockout transcriptional signatures following inflammatory insult, with TSPO deletion drastically exacerbating inflammatory transcriptional responses in the aging hippocampus whilst dampening inflammation in the young hippocampus. Drugs that disrupt cell cycle and induce DNA-damage such as heat shock protein and topoisomerase inhibitors were identified to mimic the inflammatory transcriptional signature characterizing TSPO-dependent aging most closely. This TSPO-aging interaction is an important consideration in the interpretation of TSPO-targeted biomarker and therapeutic studies, as well asin vitrostudies which cannot model the aging brain.

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Glial overexpression of Tspo extends lifespan and protects against frataxin deficiency in Drosophila

Cited by 3 publications

References 48 publications

Animal models of neuropathic pain

Animal models of neuropathic pain

Translocator protein (TSPO), still an enigmatic transmembrane protein: From structures to functions

Interaction between mitochondrial translocator protein and aging in inflammatory responses in mouse hippocampus

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