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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

Response of bovine alveolar macrophages in vitro to welding fume particles.

Alveolar macrophages (AM) from bovine lungs were exposed in culture to manual metal are (MMA) welding fume particles, chromium (Cr), UICC chrysotile A or anatase for 17-20 hr. All the welding particle samples were more cytotoxic to AM than to anatase. Particles from the welding of mild steel with a rutile-coated electrode were less cytotoxic than those produced with a basic-coated electrode. Particles from the welding of stainless steel were slightly more cytotoxic, and much of this activity was probably due to CrVI. Selective release of N-acetyl-beta-glucosaminidase (beta-NAG) was only detected after exposure of AM to chrysotile. Supplementation of the incubation medium with 10% serum increased the viability of all exposed AM cultures, an effect not produced by serum albumin alone. Incubation of particle samples with dipalmitoyl phosphatidylcholine (DPPC) prior to addition to AM reduced the cytotoxicity of the "rutile" welding particles and of chrysotile.[1]


  1. Response of bovine alveolar macrophages in vitro to welding fume particles. White, L.R., Marthinsen, A.B., Jakobsen, K., Eik-Nes, K.B. Environ. Health Perspect. (1983) [Pubmed]
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