Leukemia. VIII. Leukemogenic Effect of Brain Filtrates After Serial Passage Through Mice.

Summary 1. Cell-free filtrates of leukemic AKR and Swiss mouse and human brains were prepared. 2. The filtrates were serially passed through Swiss mice in the case of AKR mouse and human brains and through C3Heb mice in the case of Swiss mice. 3. After 5 passages leukemogenic activity could be demon...

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Veröffentlicht in:Experimental biology and medicine (Maywood, N.J.) N.J.), 1958-02, Vol.97 (2), p.397-399
Hauptverfasser: Schwartz, Steven O., Schoolman, Harold M., Spurrier, Wilma, Yates, LeRoy
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container_issue 2
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container_title Experimental biology and medicine (Maywood, N.J.)
container_volume 97
creator Schwartz, Steven O.
Schoolman, Harold M.
Spurrier, Wilma
Yates, LeRoy
description Summary 1. Cell-free filtrates of leukemic AKR and Swiss mouse and human brains were prepared. 2. The filtrates were serially passed through Swiss mice in the case of AKR mouse and human brains and through C3Heb mice in the case of Swiss mice. 3. After 5 passages leukemogenic activity could be demonstrated by reintroduction of the material into the starting strain in case of the mice, and into AKR mice in case of human brains. 4. No activity or little activity could be demonstrated when leukemic tissues served as sources of the original material. 5. The experiments demonstrate that the activity of the material is not dependent on cells. 6. The dilution resulting from the passages described is such as to compel the assumption that the activity has been replicated.
doi_str_mv 10.3181/00379727-97-23753
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subjects Animals
Brain
Filtration
Leukemia
Leukemia, Experimental
Mice
Old Medline
Serial Passage
title Leukemia. VIII. Leukemogenic Effect of Brain Filtrates After Serial Passage Through Mice.
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