Multi-omic spatial mapping of the human habenula defines the molecular and anatomical organization of medial and lateral subregions
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The habenula (Hb) is a small epithalamic midline structure critical for reward processing and mood regulation that is implicated in many complex brain disorders, including depression and addiction. The molecular anatomy of the Hb has been well-characterized in model organisms, but little is known about its organization in the human brain, including the transcriptomic and epigenetic signatures of spatially-organized lateral (LHb) and medial (MHb) cell types. Here, we generated a high resolution spatiomolecular map of the human Hb using both multiomic single nucleus sequencing (snMultiome) and spatially-resolved transcriptomics. We measured gene expression and chromatin accessibility across 4 MHb and 5 LHb neuronal cell types as defined by transcriptomic conservation with rodents and zebrafish. We identified cell type-specific molecular specializations related to GABAergic and glutamatergic signaling as well as regulatory relationships between open chromatin regions, transcription factors, and target genes associated with depression and addiction. High resolution spatial transcriptomics identified the anatomical location of heterogeneous LHb subpopulations, including two putative inhibitory populations in the LHb. We further characterized cell-type relationships between Hb neurons and glial subtypes and predicted ligand-receptor interactions between LHb and MHb neurons. Finally, we delineated Hb cell types and spatial domains enriched in genes associated with genetic risk for psychiatric disorders, identifying the strongest enrichment in the MHb. Collectively, the generated data and analyses resolve the spatiomolecular organization of the human Hb and identify molecular-genetic associations with neuropsychiatric disease.
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🧠 Meet @lieberinstitute.bsky.social postdoc Dr. Jonathan M. Werner at @sfn.org #SfN26! Learn about human habenula snRNA-seq and its links to depression & opioid use disorder. 🎤 TPDA · Sat 11/14 PM 📍 PSTR336.02 · Wed 11/18 AM 🔬 doi.org/10.64898/202...
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Curious about the human habenula? 🧠 At #SfN26 @sfn.org, meet Kelsey D. Montgomery to discuss generating snMultiome-seq (RNA + ATAC) and Visium HD data. Wed 11/18 PSTR336.01. We're thrilled to see her grow from @lieberinstitute.bsky.social to JHU's Neuroscience PhD program! doi.org/10.64898/202...
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1/9 🧠 NEW @lieberinstitute.bsky.social PREPRINT: Multi-omic spatial mapping of the human habenula. Discover the cell types and neighborhoods of the MHb and LHb—and their links to genetic risk. Montgomery, Werner, Eagles, et al., @biorxivpreprint.bsky.social, 2026. doi.org/10.64898/202...
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Multi-omic spatial mapping of the human habenula defines the molecular and anatomical organization of medial and lateral subregions https://www.biorxiv.org/content/10.64898/2026.09.30.755667v1
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Multi-omic spatial mapping of the human habenula defines the molecular and anatomical organization of medial and lateral subregions https://www.biorxiv.org/content/10.64898/2026.09.30.755667v1
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