Letter | Published:

A New Reticuloendothelial System Stimulating Agent (‘Restim’) from Shark Livers

Naturevolume 199pages904905 (1963) | Download Citation

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Abstract

WE have previously reported a reticuloendothelial system stimulating agent (‘restim’) derived from cell walls of yeast1. The purpose of the present communication is to describe briefly a similarly active material composed of lipid derived from shark livers.

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References

  1. 1

    Ransom, J. P., Pasternak, V. Z., and Heller, J. H., J. Bacteriol., 84, 466 (1962).

  2. 2

    Litchfield, jun., J. T., J. Pharmacol. and Exp. Therapeut., 97, 399 (1949).

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Author information

Affiliations

  1. New England Institute for Medical Research, Ridgefield, Connecticut

    • JOHN H. HELLER
    • , VARSENIG Z. PASTERNAK
    • , JOHN P. RANSOM
    •  & M. S. HELLER
  2. Cape Haze Marine Laboratory, Sarasota, Florida

    • JOHN H. HELLER
    • , VARSENIG Z. PASTERNAK
    • , JOHN P. RANSOM
    •  & M. S. HELLER

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https://doi.org/10.1038/199904a0

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