Barcoded viral tracing of single-cell interactions in central nervous system inflammation

Science. 2021 Apr 23;372(6540):eabf1230. doi: 10.1126/science.abf1230.

Abstract

Cell-cell interactions control the physiology and pathology of the central nervous system (CNS). To study astrocyte cell interactions in vivo, we developed rabies barcode interaction detection followed by sequencing (RABID-seq), which combines barcoded viral tracing and single-cell RNA sequencing (scRNA-seq). Using RABID-seq, we identified axon guidance molecules as candidate mediators of microglia-astrocyte interactions that promote CNS pathology in experimental autoimmune encephalomyelitis (EAE) and, potentially, multiple sclerosis (MS). In vivo cell-specific genetic perturbation EAE studies, in vitro systems, and the analysis of MS scRNA-seq datasets and CNS tissue established that Sema4D and Ephrin-B3 expressed in microglia control astrocyte responses via PlexinB2 and EphB3, respectively. Furthermore, a CNS-penetrant EphB3 inhibitor suppressed astrocyte and microglia proinflammatory responses and ameliorated EAE. In summary, RABID-seq identified microglia-astrocyte interactions and candidate therapeutic targets.

Publication types

  • Research Support, N.I.H., Extramural
  • Research Support, Non-U.S. Gov't

MeSH terms

  • Animals
  • Antigens, CD / metabolism
  • Astrocytes / physiology*
  • Brain / pathology
  • Brain / physiopathology
  • Cell Communication*
  • Central Nervous System / pathology*
  • Central Nervous System / physiopathology
  • Encephalomyelitis, Autoimmune, Experimental / pathology
  • Encephalomyelitis, Autoimmune, Experimental / physiopathology*
  • Ephrin-B3 / metabolism
  • Herpesvirus 1, Suid / genetics
  • Humans
  • Male
  • Mice
  • Mice, Inbred C57BL
  • Microglia / physiology*
  • Mitochondria / metabolism
  • Multiple Sclerosis / pathology
  • Multiple Sclerosis / physiopathology*
  • NF-kappa B / metabolism
  • Nerve Tissue Proteins / metabolism
  • RNA-Seq
  • Reactive Oxygen Species / metabolism
  • Receptor, EphB3 / antagonists & inhibitors
  • Receptor, EphB3 / metabolism
  • Receptors, Cell Surface / metabolism
  • Semaphorins / metabolism
  • Signal Transduction
  • Single-Cell Analysis*
  • T-Lymphocytes / physiology
  • TOR Serine-Threonine Kinases / metabolism

Substances

  • Antigens, CD
  • CD100 antigen
  • Ephrin-B3
  • NF-kappa B
  • Nerve Tissue Proteins
  • PLXNB1 protein, human
  • PLXNB2 protein, human
  • Plxnb1 protein, mouse
  • Plxnb2 protein, mouse
  • Reactive Oxygen Species
  • Receptors, Cell Surface
  • Sema4d protein, mouse
  • Semaphorins
  • mTOR protein, mouse
  • Receptor, EphB3
  • TOR Serine-Threonine Kinases