, Volume 46, Issue 5, pp 484–486 | Cite as

Serum thymic factor as a radioprotective agent promoting survival after X-irradiation

  • H. Kobayashi
  • H. Abe
  • A. Awaya
  • H. Inano
  • M. Shikita
Research Articles


Serum thymic factor (FTS, zinc-free thymulin) protected mice from death after whole-body X-irradiation. It was significantly radioprotective even when administered after irradiation, but it was more effective when administered both before and after irradiation. The protective effect appears to be due to the enhancement of hematologic recovery in the animals.

Key words

Serum thymic factor thymulin FTS radioprotector radiation protection 


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Copyright information

© Birkhäuser Verlag 1990

Authors and Affiliations

  • H. Kobayashi
    • 1
  • H. Abe
    • 1
  • A. Awaya
    • 1
  • H. Inano
    • 2
  • M. Shikita
    • 2
  1. 1.Institute of Biological ScienceMitsui Pharmaceuticals, Inc.MobaroJapan
  2. 2.National Institute of Radiological SciencesChiba-shiJapan

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