Summary
Thoracic duct lymphocytes (TDL) were studied with respect to their capacity to give rise to germinal centres (GC) and to form primary antibody in an adoptive transfer system of the rat. Challenge with sheep erythrocytes (SRBC) 24h after lethal irradiation (900 rads) and syngeneic TDL reconstitution (108) lead to conspicuous GC activity already 7 days after transfer. In contrast, using syngeneic bone marrow (BM) in the adoptive transfer system, no GC formation was observed over the period studied (14 days after reconstitution). Reconstitution experiments using in vivo-separated T-TDL (1–5 % s-Ig+) and B-TDL (>90% s-Ig+) subpopulations, either separately or in combination, indicated that GC originate from B-TDL but require T-TDL for induction.
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Abbreviations
- BM:
-
Bone Marrow
- TDL:
-
Thoracic Duct Lymphocytes
- GC:
-
Germinal Centre
- SRBC:
-
Sheep Red Blood Cells
- GCDC:
-
Germinal Centre-Derived Cells
- GCPC:
-
Germinal Centre-Precursor Cells
- DAB:
-
Mineral Salt Solution Dulbecco A + B
- FCS:
-
Fetal Calf Serum
- PALS:
-
Peri-Arteriolar Lymphocyte Sheath
- AFCP:
-
Antibody-Forming Cell Precursors
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Gastkemper, N.A., Wubbena, A.S., Gimbrère, F.J.H. et al. Germinal centres and the B-cell system. V. Cell Tissue Res. 219, 281–289 (1981). https://doi.org/10.1007/BF00210148
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DOI: https://doi.org/10.1007/BF00210148