Spatial genomics: Mapping the landscape of fibrosis

Area of Science:

• * Molecular Biology
• * Genomics
• * Pathology

Background:

• * Organ fibrosis is a significant global health issue, leading to substantial morbidity and mortality.
• * Current treatments for fibrosis are scarce, with organ transplantation often being the only definitive cure.
• * Understanding the intricate mechanisms of fibrotic disease pathogenesis is crucial for developing effective therapies.

Purpose of the Study:

• * To review the application of cutting-edge spatial genomics technologies in studying organ fibrosis.
• * To highlight how these methods provide novel insights into the development and progression of fibrotic diseases.
• * To explore the potential of spatial genomics in identifying therapeutic targets for fibrosis.

Main Methods:

• * Application of various state-of-the-art spatial genomics techniques.
• * Topographical annotation of pathogenic cell populations and states within fibrotic tissue.
• * Detection of transcriptomic changes in both fibrotic and morphologically normal tissue regions.
• * In situ analysis of ligand-receptor interactions within the tissue microenvironment.

Main Results:

• * Spatial genomics enables detailed mapping of cellular heterogeneity and states in fibrotic organs.
• * These approaches identify molecular alterations in non-diseased appearing tissue, suggesting early pathogenic events.
• * Characterization of fibrotic and homeostatic niches reveals cellular interactions driving fibrosis.
• * In situ ligand-receptor interaction mapping elucidates communication networks within the fibrotic microenvironment.

Conclusions:

• * Spatial genomics offers powerful tools for dissecting the complex pathogenesis of organ fibrosis.
• * These technologies facilitate a deeper understanding of fibrosis evolution across different organs and over time.
• * The insights gained can pave the way for the development of targeted antifibrotic therapies.