Heterogeneity of dendritic cells in human superficial lymph node

In vitro maturation of immature dendritic cells into mature or activated interdigitating reticulum cells

Kiyoshi Takahashi, Kenji Asagoe, Jin Zaishun, Hiroyuki Yanai, Tadashi Yoshino, Kazuhiko Hayashi, Tadaatsu Akagi

Research output: Contribution to journalArticle

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Abstract

A two-color immunofluorescent analysis indicated that dendritic cells (DCs) in the human axillar lymph nodes (ie, lymph nodal DCs (LnDCs)) can be classified into three subsets. The first subset consists of CD1a+/CD86(- or dim)/CD83(- or dim) nondendriform DCs found mainly in lymph sinuses, the second is of CD1a-/CD86+/CD83+ dendriform DCs scattered in normal T zones, and the third is of large CD1a(bright)/CD86+/CD83+ dendriform DCs occasionally found in hyperplastic T zones. A three-color flow cytometric analysis, immunoperoxidase staining, and electron microscopic observation indicated that the majority of LnDCs corresponded to the first subset, which showed distinctive characteristics of DCs but did not fulfill the ultrastructural criteria for interdigitating reticulum cells (IDCs) and did not contain Birbeck granules. When LnDCs were cultured for 7 days, they became large CD1a(dim)/CD86+/CD83+ dendriform cells, which formed large complexes with many T cells and exhibited distinctive ultrastructural features of interdigitating reticulum cells, LnDCs cultured in the presence of granulocyte/macrophage colony-stimulating factor became markedly larger CD1a(bright)/CD86+/CD83+ dendriform cells forming large complexes with numerous T cells. These findings suggest that cells of the first subset represent immature LnDCs just migrating from epidermis, those of the second subset represent interdigitating reticulum cells, and those of the third subset represent interdigitating reticulum cells probably stimulated with certain immunostimulatory cytokines such as granulocyte/macrophage colony- stimulating factor. It is also suggested that either the second or the third subsets of LnDCs are derived from the first subset.

Original languageEnglish
Pages (from-to)745-755
Number of pages11
JournalAmerican Journal of Pathology
Volume153
Issue number3
Publication statusPublished - Sep 1998

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Reticulum
Dendritic Cells
Lymph Nodes
Lymph
Granulocyte-Macrophage Colony-Stimulating Factor
Color
In Vitro Techniques
T-Lymphocytes
Epidermis
Electrons
Staining and Labeling
Cytokines

ASJC Scopus subject areas

  • Pathology and Forensic Medicine

Cite this

Heterogeneity of dendritic cells in human superficial lymph node : In vitro maturation of immature dendritic cells into mature or activated interdigitating reticulum cells. / Takahashi, Kiyoshi; Asagoe, Kenji; Zaishun, Jin; Yanai, Hiroyuki; Yoshino, Tadashi; Hayashi, Kazuhiko; Akagi, Tadaatsu.

In: American Journal of Pathology, Vol. 153, No. 3, 09.1998, p. 745-755.

Research output: Contribution to journalArticle

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