Isolation of a granulocyte colony inhibitory factor derived from human polymorphonuclear neutrophils

Naomi Mendelsohn, Richard R. Eger, Hal E. Broxmeyer, Malcolm A.S. Moore

Research output: Contribution to journalArticle

8 Scopus citations

Abstract

An inhibitory factor obtained from mature human granulocytes which suppresses granulocyte and monocyte-macrophage colony formation by an action on the endogenous colony stimulating factor-producing cells has been partially purified and characterized. The methods for purification consisted of a combination of ultracentrifugation, DEAE-Sephadex chromatography, SDS polyacrylamide gel electrophoresis and isoelectric focusing. The material had a molecular weight range of 102-128 000 and an isoelectric point between pH 6.2 and 6.4. The inhibitory factor was found to be heat stable and glycoprotein in nature.

Original languageEnglish (US)
Pages (from-to)238-247
Number of pages10
JournalBBA - Protein Structure
Volume533
Issue number1
DOIs
StatePublished - Mar 28 1978
Externally publishedYes

ASJC Scopus subject areas

  • Medicine(all)

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