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The activities of ecto-5'-nucleotidase (E5N), deoxyadenosine kinase (dAK) and deoxyguanosine kinase (dGK), were determined in thymocyte subpopulations, separated by peanut agglutinin (PNA). The activity of dAK in the PNA+ (agglutinated by PNA) thymocyte subpopulation was 2.5-fold that in the PNA- subpopulation. The activities of E5N and of dKG were found to be higher in the PNA- than in the PNA+ subpopulation by 15- and 4-fold, respectively. The activity of these enzymes can therefore be utilized to characterize the thymocyte subpopulation. In addition, since PNA+ cells are considered to be young immature precursors of the PNA- thymocytes, the activity of these enzymes may serve also as markers for the degree of maturation of the T cells.
P M Livne, and
Y Sidi, and
N Trainin, and
O Sperling
January 1985,
Thymus,
P M Livne, and
Y Sidi, and
N Trainin, and
O Sperling
February 1984,
Clinical and experimental immunology,
P M Livne, and
Y Sidi, and
N Trainin, and
O Sperling
December 1987,
Clinical and experimental immunology,
P M Livne, and
Y Sidi, and
N Trainin, and
O Sperling
January 1982,
Advances in experimental medicine and biology,
P M Livne, and
Y Sidi, and
N Trainin, and
O Sperling
April 1989,
Cellular immunology,
P M Livne, and
Y Sidi, and
N Trainin, and
O Sperling
September 1983,
Thymus,
P M Livne, and
Y Sidi, and
N Trainin, and
O Sperling
January 1975,
Cell and tissue research,
P M Livne, and
Y Sidi, and
N Trainin, and
O Sperling
August 1977,
Journal of cellular physiology,
P M Livne, and
Y Sidi, and
N Trainin, and
O Sperling
May 1981,
Clinical and experimental immunology,
P M Livne, and
Y Sidi, and
N Trainin, and
O Sperling
October 1997,
European journal of immunology,
