Journal article

MOLECULAR-CLONING AND EXPRESSION OF CDNA-ENCODING A MURINE MYELOID-LEUKEMIA INHIBITORY FACTOR (LIF)

DP GEARING, NM GOUGH, JA KING, DJ HILTON, NA NICOLA, RJ SIMPSON, EC NICE, A KELSO, D METCALF

The EMBO Journal | OXFORD UNIV PRESS UNITED KINGDOM | Published : 1987

Abstract

Leukaemia inhibitory factor (LIF) can induce macrophage differentiation in M1 murine myeloid leukaemic cells and suppress their proliferation in vitro. It does not stimulate the proliferation of normal progenitor cells and is apparently distinct from known colony-stimulating factors. We have used oligo-nucleotides complementary to partial amino acid sequence of LIF to isolate a LIF clone from a T lymphocyte cDNA library. When this cDNA was coupled to a yeast expression vector (YEpsec1) and introduced into yeast cells, a molecule with the biological properties characteristic of native LIF was secreted into the growth medium. The amino acid sequence of LIF established it to be a unique molecul..

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