What is the best 4T1 cells cell concentration to avoid rejection in BALB/cJ mice?

I did an experiment with 6 mice using 5x105 and 10x6 cells , ( 3 mice each condition), and both cell concentration were rejected in 15 days. I used matrigel Cell+matrigel + 50ul Should I use...

09 September 2015 2,918 5 View