Mouse tumor models

CY Chi Yan
NS Nabil Saleh
JY Jinming Yang
CN Caroline A. Nebhan
AV Anna E. Vilgelm
ER E. Premkumar Reddy
JR Joseph T. Roland
DJ Douglas B. Johnson
SC Sheau-Chiann Chen
RS Rebecca L. Shattuck-Brandt
GA Gregory D. Ayers
AR Ann Richmond
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Animal studies were approved by the Vanderbilt Institutional Care and Animal Use Committee (IACUC) and were performed in accordance with Vanderbilt IACUC guidelines. All animals were housed under pathogen-free conditions at the Vanderbilt Animal Care Facility. C57BL/6 mice, athymic nude mice, CD40 knockout, and NSG mice were purchased from Jackson Labs. Tumor xenografts were established in 8–10 week-old male or female mice. For the in vivo melanoma model, mice received 3 × 105 of tumor cells in 100 μl of serum-free DMEM medium by subcutaneous injection in the lower back. Mouse body weight was assessed once a week, and tumor measurements were taken twice a week with micro-calipers. Tumor volume was estimated as 0.5*length*width*width. Treatment began when tumors reached ~100mm3 volume on average or at day 10 post tumor cell inoculation and continued until tumors in the experiment exceeded 15 mm in diameter or became perforated.

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