Rapid in vivo assay for Friend polycythemia virus

W. D. Hankins, S. B. Krantz

Research output: Contribution to journalArticlepeer-review

7 Scopus citations


An assay for the Friend polycythemia virus (FVP) was developed based on the capacity of plasma from FVP infected animals to increase greatly the splenic uptake of 59Fe as early as 3 days after infection in fasted BALB/c mice. The authors' experiments supported the following conclusions. The increase in splenic 59Fe uptake represented a proportional increase in hemoglobin synthesis. The 59Fe response was not due to the presence of erythropoietin in the FVP plasma or to the induction by FVP of endogenous erythropoietin production. The 59Fe assay correlated well with the spleen focus forming assay. The assay had applicability in monitoring FVP purification procedures and studying physicochemical properties of FVP.

Original languageEnglish (US)
Pages (from-to)1223-1229
Number of pages7
JournalJournal of the National Cancer Institute
Issue number4
StatePublished - 1974
Externally publishedYes

ASJC Scopus subject areas

  • Cancer Research
  • Oncology


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