Tumour-necrosis factor from the rabbit. II. Production by monocytes - PubMed (original) (raw)

Tumour-necrosis factor from the rabbit. II. Production by monocytes

N Matthews. Br J Cancer. 1978 Aug.

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Abstract

Mononuclear cells from normal rabbit blood were cytotoxic to a number of cell lines in vitro. The cytotoxic cells were contained in the monocyte-enriched fraction adherent to plastic. Supernatants of the monocyte-enriched fraction had the same cytotoxic specificity as the parent cells. The cytotoxic factor precipitated in 50% saturated ammonium sulphate solution and on gel filtration was heterogeneous with a mol.-wt. range of 30--50,000 u. On the basis of specificity and molecular characteristics, this cytotoxic factor closely resembles rabbit tumour-necrosis factor (TNF) suggesting that TNF or a closely related factor is a normal product of mononuclear phagocytes.

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References

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