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RNA sequencing of murine osteosarcoma tumors

ABSTRACT: We utilized murine osteosarcoma cell lines F420 and K7M2. F420 was originally derived from a female C57BL/6 mouse transgenic for a mutant p53 under control of a bone-selective promoter (PMID: 25579177). K7M2 was derived from a spontaneous metastatic lesion in a female Balb/C background (PMID: 16837208). F420 osteosarcoma tumors were established by subcutaneously injecting 5 x 10^6 osteosarcoma cells into the flanks of 6-week-old C57BL/6 mice (Envigo, Frederick, MD). K7M2 tumors were established by transplanting small pieces of sectioned tumor (~2mm3) into the flanks of 6-week-old Balb/C mice (Envigo). We found K7M2 to be more immunogenic than F420 as it demonstrated higher immune cell infiltrates, higher expression of immune-related genes, and slower growth in syngeneic versus nude models.

ORGANISM(S): Mus musculus

PROVIDER: GSE166282 | GEO | 2021/06/29

REPOSITORIES: GEO

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