The presence of Mott cells in the lymph nodes of rats with experimental autoimmune encephalomyelitis
© 2023. The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature..
Mott cells are plasma cells that have multiple spherical Russell bodies packed in their cytoplasm. Russell bodies are dilated endoplasmic reticulum cisternae filled with aggregates of immunoglobulins that are neither secreted nor degraded. Mott cells were observed in our study by light and electron microscope in the lymph nodes of rats with experimental autoimmune encephalomyelitis (EAE), an animal model of multiple sclerosis. Mott cells were detected on hematoxylin and eosin (HE)-stained lymph node sections as vacuolated cells with eccentrically positioned nuclei and large number of faint blue spherical inclusions in the cytoplasm. Electron microscopic investigation revealed the presence of Russell bodies of the "medusa" form inside Mott cells in lymph node ultra-thin sections of EAE animals. Mott cells expressed the plasma cell marker CD138 and either kappa or lambda immunoglobulin light chains, indicating their origin from polyclonally activated B cells. Finally, Mott cells were associated with active EAE, as they were not found in the lymph nodes of EAE-resistant Albino Oxford rats. The presence of Russell bodies implies an excessive production of immunoglobulins in EAE, thus further emphasizing the role of B cells, and among them Mott cells, in the pathogenesis of this animal model of multiple sclerosis.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:161 |
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| Enthalten in: |
Histochemistry and cell biology - 161(2024), 3 vom: 28. März, Seite 287-295 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Martinovic, Tamara [VerfasserIn] |
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| Links: |
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| Themen: |
B cells |
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| Anmerkungen: |
Date Completed 05.03.2024 Date Revised 05.03.2024 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1007/s00418-023-02252-y |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM364438673 |
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| 520 | |a Mott cells are plasma cells that have multiple spherical Russell bodies packed in their cytoplasm. Russell bodies are dilated endoplasmic reticulum cisternae filled with aggregates of immunoglobulins that are neither secreted nor degraded. Mott cells were observed in our study by light and electron microscope in the lymph nodes of rats with experimental autoimmune encephalomyelitis (EAE), an animal model of multiple sclerosis. Mott cells were detected on hematoxylin and eosin (HE)-stained lymph node sections as vacuolated cells with eccentrically positioned nuclei and large number of faint blue spherical inclusions in the cytoplasm. Electron microscopic investigation revealed the presence of Russell bodies of the "medusa" form inside Mott cells in lymph node ultra-thin sections of EAE animals. Mott cells expressed the plasma cell marker CD138 and either kappa or lambda immunoglobulin light chains, indicating their origin from polyclonally activated B cells. Finally, Mott cells were associated with active EAE, as they were not found in the lymph nodes of EAE-resistant Albino Oxford rats. The presence of Russell bodies implies an excessive production of immunoglobulins in EAE, thus further emphasizing the role of B cells, and among them Mott cells, in the pathogenesis of this animal model of multiple sclerosis | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a B cells | |
| 650 | 4 | |a Experimental autoimmune encephalomyelitis | |
| 650 | 4 | |a Mott cells | |
| 650 | 4 | |a Russell bodies | |
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| 700 | 1 | |a Vidicevic, Sasenka |e verfasserin |4 aut | |
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| 700 | 1 | |a Bumbasirevic, Vladimir |e verfasserin |4 aut | |
| 700 | 1 | |a Stanojevic, Zeljka |e verfasserin |4 aut | |
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| 700 | 1 | |a Drndarevic, Neda |e verfasserin |4 aut | |
| 700 | 1 | |a Trajkovic, Vladimir |e verfasserin |4 aut | |
| 700 | 1 | |a Kravic-Stevovic, Tamara |e verfasserin |4 aut | |
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