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2005:
Mashour George A; Drissel Stephanie N; Frahm Silke; Farassati Faris; Martuza Robert L; Mautner Victor-F; Kindler-Röhrborn Andrea; Kurtz Andreas
Differential modulation of malignant peripheral nerve sheath tumor growth by omega-3 and omega-6 fatty acids.
Oncogene 2005;
24(
14):.
Neurofibromatosis type 1 (NF1) is a common genetic disorder of the nervous system resulting in neurofibromas and malignant peripheral nerve sheath tumors (MPNST). In this study, we report the modulation of murine and human MPNST cell growth by the fatty acids docosahexaenoic acid (DHA) and arachidonic acid (AA). DHA demonstrated a tendency to stimulate cell growth at low doses and induce apoptosis at high doses, paralleled by the activation of ERK and caspase-3. Furthermore, high-dose DHA reversed the stimulation of MPNST cell growth by a number of growth factors suggested to have a pathogenic effect in NF1 and inhibited MPNST growth in vivo. AA was found to have a reciprocal activity in vitro, stimulating MPNST cell growth at comparable concentrations and reducing DHA activation of ERK. These findings introduce fatty acids as a possible regulator of MPNST development in NF1 patients.
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