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Animal models of soft-tissue sarcoma Dodd RD; Mito JK; Kirsch DGDis Model Mech 2010[Sep]; 3 (9-10): 557-66Soft-tissue sarcomas (STSs) are rare mesenchymal tumors that arise from muscle, fat and connective tissue. Currently, over 75 subtypes of STS are recognized. The rarity and heterogeneity of patient samples complicate clinical investigations into sarcoma biology. Model organisms might provide traction to our understanding and treatment of the disease. Over the past 10 years, many successful animal models of STS have been developed, primarily genetically engineered mice and zebrafish. These models are useful for studying the relevant oncogenes, signaling pathways and other cell changes involved in generating STSs. Recently, these model systems have become preclinical platforms in which to evaluate new drugs and treatment regimens. Thus, animal models are useful surrogates for understanding STS disease susceptibility and pathogenesis as well as for testing potential therapeutic strategies.|*Disease Models, Animal[MESH]|Animals[MESH]|Humans[MESH]|Karyotyping[MESH]|Sarcoma/genetics/*pathology/therapy[MESH]|Transcription Factors/metabolism[MESH] |