Tumor necrosis factor is markedly synergistic with interleukin 1 and interferon-gamma in stimulating the production of nerve growth factor in fibroblasts - PubMed (original) (raw)

Tumor necrosis factor is markedly synergistic with interleukin 1 and interferon-gamma in stimulating the production of nerve growth factor in fibroblasts

A Hattori et al. FEBS Lett. 1994.

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Abstract

A possible interaction between tumor necrosis factor-alpha (TNF) and other cytokines/growth factors in stimulating the production of nerve growth factor (NGF) in Swiss 3T3 cells was studied. TNF's stimulatory activity on fibroblast NGF production was synergized by interleukin-1 alpha (IL-1 alpha), IL-1 beta and interferon-gamma (IFN-gamma), but was antagonized by transforming growth factor-beta (TGF-beta). The most remarkable synergistic effect was observed between TNF and IL-1 alpha/beta; as little as 0.003 ng/ml of IL-1 beta markedly enhanced TNF's stimulatory activity on NGF production in the cells. These findings reinforce the idea that TNF, in concert with IL-1 alpha/beta, plays an essential role in regulating the regeneration of peripheral nerves following injury through an indirect mechanism by which it stimulates NGF production in fibroblasts.

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