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Tissue Specific Effects Of Adipose Stem Cells (Asc) In A Melanoma Tumor Environment, Drew Michael Nedderman

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This study determined the tissue-specific effect of adipose stem cells (ASC) within a melanoma environment for development of a cell-based melanoma therapy. Analysis included a subcutaneous B16-F1 melanoma model using thirty-one C57BL/6 wild-type mice. Melanoma xenografts were treated with cell-based therapies of CFDA-SE-labeled human fibroblasts HF20x (control), non-differentiated ndASC or hematopoietic-differentiated HdASC. No tumor regression was observed in presence of cell-based therapies, thus, the HdASC group demonstrated an increase in tumor growth accompanied with an up-regulated macrophage response, and increased angiogenesis. In addition, this group demonstrated a decrease in Melan-A tumor marker and interferon-γ expression suggesting that ASC-supported tumor angiogenesis …