001     282602
005     20251211161418.0
024 7 _ |a 10.1016/j.immuni.2025.10.003
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024 7 _ |a pmid:41167189
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024 7 _ |a 1074-7613
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024 7 _ |a 1097-4180
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037 _ _ |a DZNE-2025-01360
041 _ _ |a English
082 _ _ |a 610
100 1 _ |a Feng, Ruoqing
|0 P:(DE-2719)9002625
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245 _ _ |a Single-cell spatial transcriptomic profiling defines a pathogenic inflammatory niche in chronic active multiple sclerosis lesions.
260 _ _ |a [Cambridge, Mass.]
|c 2025
|b Cell Press
336 7 _ |a article
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520 _ _ |a Compartmentalized inflammation is a key driver of multiple sclerosis (MS) progression, but the mechanisms sustaining its persistence remain unclear. A hallmark of this persistent and slowly evolving inflammatory process is chronic active MS lesions. We generated a high-resolution, single-cell molecular and spatial atlas of such lesions by combining single-nucleus RNA sequencing (snRNA-seq) with multiplexed error-robust fluorescence in situ hybridization (MERFISH). Within lesion rims, we identified CD8+ T cell niches associated with inflamed microglia displaying an interferon response and upregulated lipid metabolism. To investigate their function, we deleted ATP-binding cassette transporters A1 and G1 (ABCA1/G1) in the microglia of mice with experimental autoimmune encephalomyelitis (EAE), which increased the formation of lipid-storing phagocytes that amplified inflammation. Moreover, pharmacologically targeting sterol metabolism mitigated foam cell formation and inflammatory demyelination in EAE. Thus, our high-resolution map of immune niches in chronic active MS lesions identifies a role for lipid-storing, dysfunctional microglia in persistent neuroinflammation.
536 _ _ |a 351 - Brain Function (POF4-351)
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650 _ 7 |a CD8+ T cells
|2 Other
650 _ 7 |a CD8+ tissue-resident memory T cells
|2 Other
650 _ 7 |a glia
|2 Other
650 _ 7 |a lipids
|2 Other
650 _ 7 |a microglia
|2 Other
650 _ 7 |a multiple sclerosis
|2 Other
650 _ 7 |a myelin
|2 Other
650 _ 7 |a neuroinflammation
|2 Other
650 _ 7 |a spatial transcriptomics
|2 Other
650 _ 7 |a ATP Binding Cassette Transporter 1
|2 NLM Chemicals
650 _ 2 |a Animals
|2 MeSH
650 _ 2 |a Multiple Sclerosis: immunology
|2 MeSH
650 _ 2 |a Multiple Sclerosis: genetics
|2 MeSH
650 _ 2 |a Multiple Sclerosis: pathology
|2 MeSH
650 _ 2 |a Multiple Sclerosis: metabolism
|2 MeSH
650 _ 2 |a Mice
|2 MeSH
650 _ 2 |a Encephalomyelitis, Autoimmune, Experimental: immunology
|2 MeSH
650 _ 2 |a Encephalomyelitis, Autoimmune, Experimental: genetics
|2 MeSH
650 _ 2 |a Encephalomyelitis, Autoimmune, Experimental: pathology
|2 MeSH
650 _ 2 |a Microglia: immunology
|2 MeSH
650 _ 2 |a Microglia: metabolism
|2 MeSH
650 _ 2 |a Single-Cell Analysis: methods
|2 MeSH
650 _ 2 |a Transcriptome
|2 MeSH
650 _ 2 |a Inflammation: immunology
|2 MeSH
650 _ 2 |a Inflammation: genetics
|2 MeSH
650 _ 2 |a Gene Expression Profiling
|2 MeSH
650 _ 2 |a Mice, Inbred C57BL
|2 MeSH
650 _ 2 |a Humans
|2 MeSH
650 _ 2 |a CD8-Positive T-Lymphocytes: immunology
|2 MeSH
650 _ 2 |a Female
|2 MeSH
650 _ 2 |a ATP Binding Cassette Transporter 1: genetics
|2 MeSH
650 _ 2 |a ATP Binding Cassette Transporter 1: metabolism
|2 MeSH
650 _ 2 |a Lipid Metabolism
|2 MeSH
650 _ 2 |a Chronic Disease
|2 MeSH
700 1 _ |a Spieth, Lena
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700 1 _ |a Liu, Lu
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700 1 _ |a Berghoff, Stefan
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700 1 _ |a Franz, Jonas
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700 1 _ |a Liu, Qian
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700 1 _ |a Wang, Zhen
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700 1 _ |a Tiwari, Vini
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700 1 _ |a Vitale, Simona
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700 1 _ |a Frerich, Simon
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700 1 _ |a Florensa, Sergi
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700 1 _ |a Junker, Niklas
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700 1 _ |a Huber, Ludwig
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700 1 _ |a Keller, Marco
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700 1 _ |a Müller, Christoph
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700 1 _ |a Bracher, Franz
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700 1 _ |a Ge, Xiaoke
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700 1 _ |a Rensen, Patrick C N
|b 17
700 1 _ |a Kooij, Gijs
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700 1 _ |a Hosang, Leon
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700 1 _ |a Chornyi, Serhii
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700 1 _ |a Dichgans, Martin
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700 1 _ |a Gokce, Ozgun
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700 1 _ |a Saher, Gesine
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700 1 _ |a Stadelmann, Christine
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700 1 _ |a Giera, Martin
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700 1 _ |a Groh, Janos
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700 1 _ |a Simons, Mikael
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773 _ _ |a 10.1016/j.immuni.2025.10.003
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