Divergent transcriptional regulation of astrocyte reactivity across disorders
Open accessAbstract
Astrocytes respond to injury and disease in the central nervous system with reactive changes that influence the outcome of the disorder 1-4. These changes include differentially expressed genes (DEGs) whose contextual diversity and regulation are poorly understood. Here we combined biological and informatic analyses, including RNA sequencing, protein detection, assay for transposase-accessible chromatin with high-throughput sequencing (ATAC-seq) and conditional gene deletion, to predict transcriptional regulators that differentially control more than 12,000 DEGs that are potentially associated with astrocyte reactivity across diverse central nervous system disorders in mice and humans. DEGs associated with astrocyte reactivity exhibited pronounced heterogeneity across disorders. Transcriptional regulators also exhibited disorder-specific differences, but a core group of 61 transcriptional regulators was identified as common across multiple disorders in both species. We show experimentally that DEG diversity is determined by combinatorial, context-specific interactions between transcriptional regulators. Notably, the same reactivity transcriptional regulators can regulate markedly different DEG cohorts in different disorders; changes in the access of transcriptional regulators to DNA-binding motifs differ markedly across disorders; and DEG changes can crucially require multiple reactivity transcriptional regulators. We show that, by modulating reactivity, transcriptional regulators can substantially alter disorder outcome, implicating them as therapeutic targets. We provide searchable resources of disorder-related reactive astrocyte DEGs and their predicted transcriptional regulators. Our findings show that transcriptional changes associated with astrocyte reactivity are highly heterogeneous and are customized from vast numbers of potential DEGs through context-specific combinatorial transcriptional-regulator interactions.
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Sc-8 astrocytes displayed an enrichment for gene signatures of Disease-associated astrocytes (DAA), reactive astrocytes linked to inflammatory state, and EAE astrocytes.
“Moreover, sc-8 astrocytes displayed an enrichment for gene signatures of Disease-associated astrocytes (DAA) identified in an AD mouse model42, reactive astrocytes linked to inflammatory state10, as well as EAE astrocytes43 (Fig. 4G).”
From Regulation of cell distancing in peri-plaque glial nets by Plexin-B1 affects glial activation and amyloid compaction in Alzheimer’s disease (2024) · cites this paper as [43]
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Astrocyte transcriptomic changes along the spatiotemporal progression of Alzheimer’s disease
Serrano-Pozo, A., Li, H., Li, Z., Muñoz-Castro, C., Jaisa-aad, M., Healey, M. A., Welikovitch, L. A., Jayakumar, R., Bryant, A. G., Noori, A., et al. (2024) · Nature Neuroscience · doi:10.1038/s41593-024-01791-4 · Cited by 140 · see citing works
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“Moreover, sc-8 astrocytes displayed an enrichment for gene signatures of disease-associated astrocytes (DAAs) identified in an AD mouse model 42 , as well as reactive astrocytes linked to inflammatory state 10 and experimental autoimmune encephalomyelitis (EAE) astrocytes 43 (Fig.”
Self-citation
- Authors
- Burda, J. E., O’Shea, T. M., Ao, Y., Suresh, K. B., Wang, S., Bernstein, A. M., Chandra, A., Deverasetty, S., Kawaguchi, R., Kim, J. H., McCallum, S., Rogers, A., Wahane, S., & Sofroniew, M. V.
- Affiliations
- Cedars-Sinai Medical Center (US)
- University of California, Los Angeles (US)
- Corresponding author
- Burda, Joshua E.
- Sofroniew, Michael V.
- ORCID
- Venue
- Nature
- Published
- 2022-05-25
- Volume
- 606
- Issue
- 7914
- Pages
- 557-564
- ISSN
- 0028-0836 (ISSN-L)
- 1476-4687
- PMC
- PMC10027402
- OpenAlex
- W4281488487
- Cited by
- 164
- References
- 13
- Citations by year
- 2026: 31 · 2025: 39 · 2024: 47 · 2023: 34 · 2022: 13
- FWCI
- 11.61
- Type
- journal article
- Language
- en
- Update notices
- correction (2023-03-28)
- Open access
- green
- www.ncbi.nlm.nih.gov
- Licence
- Locations
- Nature (publishedVersion)
- PubMed (publishedVersion)
- PubMed Central (acceptedVersion, other-oa)
- RePEc: Research Papers in Economics (submittedVersion)
- eScholarship (California Digital Library) (submittedVersion)
- Funders
- National Institutes of Health
- National Institute of Neurological Disorders and Stroke (K99NS105915, R00NS105915, F32NS096858, R01NS084030)
- Eli and Edythe Broad Center of Regenerative Medicine and Stem Cell Research, University of California Los Angeles
- Eunice Kennedy Shriver National Institute of Child Health and Human Development (P50HD103557)
- Topics
- Life Sciences › Neuroscience › Neurology › Neuroinflammation and Neurodegeneration Mechanisms
- Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Genomics and Chromatin Dynamics
- Keywords
- astrocyte activation, transcriptional regulation, transcription factors, differentially expressed genes, central nervous system disorders, combinatorial gene regulation, DNA-binding motifs, disease heterogeneity, therapeutic target, human-mouse comparison
- MeSH terms
- Animals, Astrocytes, Central Nervous System Diseases, Chromatin, Gene Expression Regulation, Humans, Transcription Factors, Transcription, Genetic, Sequence Analysis, RNA, Mice, High-Throughput Nucleotide Sequencing
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