"Ultramicroinjection" of macromolecules or small particles into animal cells: A new technique based on virus-induced cell fusion

Abraham Loyter, Nehama Zakai, Richard G. Kulka

Research output: Contribution to journalArticlepeer-review

59 Scopus citations

Abstract

A new method is described for the introduction of macromolecules and small particles into animal cells. The first step in this procedure is the trapping of particles in ghosts of human erythrocytes. This is achieved by the gradual hemolysis of erythrocytes in the presence of the particles to be trapped. The second step is the Sendai virus-induced fusion of the ghosts containing the particles with cells. By this method, ferritin and latex spheres (diameter 0.1 µm) have been "injected" into cells.

Original languageEnglish
Pages (from-to)292-304
Number of pages13
JournalJournal of Cell Biology
Volume66
Issue number2
DOIs
StatePublished - 1 Aug 1975

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