Summary
Tissue cultures of fibroblasts and carcinoma have been tested radiochemically for the presence of enzymes for the oxidation to carbon dioxide of certain substrates. The tissues were incubated with labelled substrates, and the radioactivity of the CO2 formed measured.
The substrates alanine, glycine, tyrosine, palmitic acid, glucose, fructose and mannose are attacked both by fibroblasts and larynx carcinoma Af. (H. Ep. 2). The oxidation of tyrosine by both kinds of tissue is accelerated by ascorbic acid. Neither tissue oxidises sucrose.
The substrate glycerol is utilised to a higher degree by fibroblasts than by larynx carcinoma. The difference is even more pronounced between fibroblasts and cervix carcinoma HeLa. The implications are discussed.
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Diese Untersuchung wurde durch eine großzügige Subvention des Jane Coffin Childs Memorial Fund for Medical Research unterstützt. Wir danken auch Herrn Prof. H. Lettré, Heidelberg, für die Stämme von Krebsgewebe
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Broda, E., Hoffmann-Ostenhof, O., Perschke, H. et al. Oxydativer Abbau einiger radioaktiver Substrate durch Tumorgewebekulturen. Z Krebs-forsch 61, 504–510 (1957). https://doi.org/10.1007/BF00524626
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DOI: https://doi.org/10.1007/BF00524626