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Related Experiment Videos

Dendritic cells from rat lung are potent accessory cells.

C L Rochester1, E M Goodell, J K Stoltenborg

  • 1Medical Research Institute, Mary Imogene Bassett Hospital, Cooperstown, NY 13326.

The American Review of Respiratory Disease
|July 1, 1988
PubMed
Summary

Pulmonary dendritic cells (DC-P) are potent accessory cells that enhance lymphocyte proliferation. These cells, found in low-density rat pulmonary cells, are crucial for immune responses.

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Area of Science:

  • Immunology
  • Cell Biology
  • Pulmonary Research

Background:

  • Accessory cells are essential for lymphocyte proliferation.
  • The role of pulmonary accessory cells in immune responses requires further investigation.

Purpose of the Study:

  • To identify and characterize accessory cells in rat lungs.
  • To determine the role of pulmonary accessory cells in periodate-induced lymphocyte proliferation.

Main Methods:

  • Rat lungs were digested to obtain pulmonary cells (PC).
  • PC were separated into high-density (HD-PC) and low-density (LD-PC) fractions using a density gradient.
  • Accessory activity of different cell fractions was assessed using periodate-treated lymphocytes.

Main Results:

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  • Low-density pulmonary cells (LD-PC) exhibited the most accessory activity.
  • Pulmonary dendritic cells (DC-P), isolated from LD-PC, significantly enhanced lymphocyte proliferation.
  • Macrophages within the LD-PC fraction suppressed lymphocyte proliferation.

Conclusions:

  • Pulmonary dendritic cells are potent accessory cells for periodate-induced lymphocyte proliferation.
  • The separation and purification of pulmonary dendritic cells are crucial for understanding their immune function.