Enzyme analysis of autologous rosette-forming cells.

Abstract:

:Autologous rosette-forming cells (ARFC) have been considered to be post-thymic precursor cells. Since thymocytes and peripheral T lymphocytes differ considerably in lactate dehydrogenase isoenzyme pattern and in activity of the enzymes of the purine metabolism, we investigated the enzyme profile in the ARFC. The L-lactate: NAD+ oxi-reductase analysis showed an isoenzyme pattern that closely resembled the pattern found in peripheral T lymphocytes and was totally different from the thymocytes. The levels of adenosine deaminase and purine nucleoside phosphorylase were identical to those found in the peripheral T lymphocytes and different from thymocytes. In our hands, the ARFC-enriched suspension contained predominantly OKT4+ and T mu+ lymphocytes. We propose that ARFC are a heterogeneous population encompassing all known subsets and cannot be considered a separate homogeneous entity.

journal_name

Scand J Immunol

authors

Plum J,de Smedt M,Sabbe L

doi

10.1111/j.1365-3083.1984.tb00920.x

subject

Has Abstract

pub_date

1984-03-01 00:00:00

pages

199-204

issue

3

eissn

0300-9475

issn

1365-3083

journal_volume

19

pub_type

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