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Unravelling the role of the immune receptor CD300f in spinal cord injury and metabolic reprogramming


Inflammation after spinal cord injury (SCI) exerts a key effect on the progress of both degeneration and regeneration after a traumatic injury. In addition, it has become increasingly clear that understanding the interaction between metabolism and immune function can provide an insight into cellular responses to different challenges. Recent reports from our group and others, suggest that metabolic reprogramming and immune receptors play an orchestrated role in modulating microglia and macrophage phenotype. An interesting example is CD300f, a very unique immune receptor that: i) displays a dual activating/inhibitory capacity; ii) is important for the phagocytosis of apoptotic cells and putatively of synapses; and iii) regulates microglia immunometabolic phenotype.
Our hypothesis postulates that, by modulating immunometabolism, CD300f plays an important role in neuroprotection under neuroinflammatory conditions. In the current project, we propose to addresses the interplay between inflammation and metabolic reprogramming by evaluating the role of microglia/macrophage CD300f and their metabolic reprogramming after SCI. We will also test the efficacy of a mitochondrial modulator as a novel neuroprotective strategy for the stimulation of microglial mitochondrial oxidative metabolism.
This proposal is based on a set of unpublished data produced by both the ER at the Institut Pasteur Montevideo and the host institution. We will use novel tools generated by our group as the CD300floxP mice, that crossed with CX3CR1-Creert mice will enable to the conditional CD300f KO in microglia and barrier macrophages, and compare these results with global KO mice. The results generated will provide novel insights related to the mechanisms underlying SCI, and for the understanding of how the immune system and the metabolism dialogue in SCI. This could have important implications in a broad spectrum of neurological diseases, where inflammation contribute detrimentally to the pathology.

Call for proposal

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Funding Scheme

MSCA-IF-EF-RI - RI – Reintegration panel


Calle Campus Universitario Sn Cerdanyola V
08290 Cerdanyola Del Valles
Activity type
Higher or Secondary Education Establishments
EU contribution
€ 172 932,48