Bone marrow origin of Ia-positive cells in the medulla rat thymus

Irradiated rats were reconstituted with bone marrow from F1 hybrids. Ia antigen of donor-bone marrow origin was detected by an immunoperoxidase technique on cryostat sections and found predominantly in the medulla of rat thymus 2 wk after reconstitution. These Ia-bearing cells increased in number wi...

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Veröffentlicht in:J. Exp. Med.; (United States) 1981-06, Vol.153 (6), p.1666-1671
Hauptverfasser: Barclay, A N, Mayrhofer, G
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container_title J. Exp. Med.; (United States)
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creator Barclay, A N
Mayrhofer, G
description Irradiated rats were reconstituted with bone marrow from F1 hybrids. Ia antigen of donor-bone marrow origin was detected by an immunoperoxidase technique on cryostat sections and found predominantly in the medulla of rat thymus 2 wk after reconstitution. These Ia-bearing cells increased in number with time after reconstitution, but the Ia on the cortical epithelial cells remained of host origin. The nature of the bone marrow-derived cells and their implication for major histocompatibility complex restriction are discussed.
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source MEDLINE; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals
subjects 560300 - Chemicals Metabolism & Toxicology
ANIMAL CELLS
ANIMAL TISSUES
ANIMALS
ANTIGENS
BODY
BONE MARROW
Bone Marrow - immunology
BONE MARROW CELLS
CARBOXYLIC ACIDS
CELL DIFFERENTIATION
CHIMERAS
CONNECTIVE TISSUE CELLS
ENZYMES
HEMATOPOIETIC SYSTEM
HETEROCYCLIC ACIDS
HETEROCYCLIC COMPOUNDS
Histocompatibility Antigens Class II - analysis
IMMUNOLOGY
LYMPHATIC SYSTEM
Major Histocompatibility Complex
MAMMALS
Mice
MOSAICISM
ORGANIC ACIDS
ORGANIC COMPOUNDS
ORGANIC NITROGEN COMPOUNDS
ORGANS
OXIDOREDUCTASES
PEROXIDASES
PORPHYRINS
Radiation Chimera
RADIATION CHIMERAS
RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT
RATS
RODENTS
SOMATIC CELLS
THYMUS
Thymus Gland - cytology
Thymus Gland - immunology
TISSUES
VERTEBRATES
title Bone marrow origin of Ia-positive cells in the medulla rat thymus
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