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Decoding the transcriptomic programs that define human macrophage function.

Project description

Deciphering the genetic regulation of macrophage dysfunction in chronic inflammation

Macrophages are essential immune cells that play a key role in inflammation regulation and tissue homeostasis. Research has revealed that dysregulated macrophages significantly influence chronic inflammation, but the molecular mechanisms behind this behaviour are unclear. Supported by the Marie Skłodowska-Curie Actions programme, the MACROCODE project aims to work out the mechanisms that lead to the altered function of macrophages during chronic inflammation. To do so, it will perturb genes in macrophages that exhibit dysregulated expression in chronic inflammatory conditions and develop a computational framework to link these perturbed genes to transcriptomic programmes, cellular functions and disease phenotypes. Finally, it will validate key genes by modulating their expression to assess the impacts on macrophage differentiation, identity and function.

Objective

Macrophages are essential cells of the innate immune system, playing crucial roles in coordinating inflammatory responses and maintaining homeostasis. In cases of chronic inflammation, damaged tissues release abnormal signals that attract macrophages precursors to the local environment and drive macrophages toward a proinflammatory phenotype. This creates a feedback loop that sustains inflammation. The consequences to society are huge: chronic inflammatory diseases are among the leading causes of death and disability worldwide.

Recent single-cell multi-omics studies have identified dysregulated macrophages as central players in chronic inflammation, but the molecular mechanisms sustaining these responses remain poorly understood.

MACROCODE aims to unravel the molecular mechanisms governing the altered function of macrophages during chronic inflammation.

The specific aims of this project are:

1. Use CRISPR-Cas9 technology with single-cell read-outs to perturb genes in macrophages that show dysregulated expression between healthy and diseased states in chronic inflammatory conditions . Genes will be selected by creating an integrated single-cell transcriptomics atlas of macrophages in both health and disease.

2. Develop a computational framework using bioinformatics and AI tools to link these perturbed genes to transcriptomic programs, cellular functions and in vivo disease phenotypes.

3. Validate key genes by modulating their expression using dCas9-VPR or KRAB systems, and evaluate the effects on macrophage differentiation, identity and function.

Altogether, MACROCODE will decode the genetic regulation of macrophage dysfunction in chronic inflammation. This multidisciplinary project will equip me with advanced skills in genomics and bioinformatics, enhance my leadership and transferable skills, and prepare me for a future as an independent leader in the field of gene therapy for immune diseases.

Fields of science (EuroSciVoc)

Keywords

Programme(s)

Topic(s)

Funding Scheme

HORIZON-TMA-MSCA-PF-EF - HORIZON TMA MSCA Postdoctoral Fellowships - European Fellowships

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Call for proposal

(opens in new window) HORIZON-MSCA-2024-PF-01

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Coordinator

GENOME RESEARCH LIMITED LBG
Net EU contribution
€ 260 347,92
Address
WELLCOME SANGER INSTITUTE WELLCOME GENOME CAMPUS HINXTON
CB10 1SA SAFFRON WALDEN
United Kingdom
Region
East of England East Anglia Cambridgeshire CC
Activity type
Research Organisations
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Total cost
No data