Head & neck · 2008
Immunocompetent murine model of cancer cachexia for head and neck squamous cell carcinoma.
СтатьяПоддержка NIH: внешняя программаПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод в очереди
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Cannon Trinitia, Shores Carol, Yin Xiaoying, Dahlman Jason, Guttridge Denis, Lai Victor, George Jonathan, Buzkova Petra, Couch Marion
Аннотация
BACKGROUND: Muscle wasting and weight loss were observed when carcinomas were induced in a murine model of head and neck squamous cell carcinomas. Our hypothesis was C3H/HeN mice would develop evidence of cachexia when injected with tumor cells
METHODS: Age- and weight-matched female mice were injected with SCCF/VII cells. Daily food intake and weights were measured. Body composition and analysis of circulating cytokines was performed. At the completion of experiments, hind legs were weighed. Muscle atrophy was detected using analysis for muscle ring finger 1 (MuRF1). The tumor-derived lipid mobilizing factor (LMF) was measured.
RESULTS: Despite increased food intake, tumor-bearing mice lost weight and experienced reduced hind leg weights. Interleukin-1beta (IL-1beta) was increased and MuRF1 was present in tumor-bearing mice but not controls. LMF was present in SCCF/VII cells.
CONCLUSION: In this immunocompetent murine model, we demonstrated the development of cancer cachexia in mice inoculated with SCCF cells, which express LMF. There was increased serum IL-1beta, weight loss, and muscle wasting and atrophy in tumor-bearing mice.
METHODS: Age- and weight-matched female mice were injected with SCCF/VII cells. Daily food intake and weights were measured. Body composition and analysis of circulating cytokines was performed. At the completion of experiments, hind legs were weighed. Muscle atrophy was detected using analysis for muscle ring finger 1 (MuRF1). The tumor-derived lipid mobilizing factor (LMF) was measured.
RESULTS: Despite increased food intake, tumor-bearing mice lost weight and experienced reduced hind leg weights. Interleukin-1beta (IL-1beta) was increased and MuRF1 was present in tumor-bearing mice but not controls. LMF was present in SCCF/VII cells.
CONCLUSION: In this immunocompetent murine model, we demonstrated the development of cancer cachexia in mice inoculated with SCCF cells, which express LMF. There was increased serum IL-1beta, weight loss, and muscle wasting and atrophy in tumor-bearing mice.
Предметные рубрики MeSH
AnimalsCachexiaCarcinoma, Squamous CellCell Line, TumorDisease Models, AnimalFemaleHead and Neck NeoplasmsHindlimbImmunocompetenceInterleukin-1alphaInterleukin-1betaMiceMice, Inbred C3HMuscle ProteinsMuscle, SkeletalMuscular AtrophyNeoplasm TransplantationPeptidesTripartite Motif ProteinsUbiquitin-Protein Ligases