我做rat的,小鼠的没做过,不知道我的protocol有参考价值没,感觉MSC是最好培养的了,比什么osteoblast和osteoclast好养多了 + Q/ F" p2 w2 `" I9 I5 I' g9 O, b! r1 Z& _8 K9 u: L
MSC Isolation from Rat Femur and Tibia, {2 g8 u1 ^( u+ s `$ ~$ V, l9 `
1. Euthanize the rats with CO2 for 5 mins.$ H. h G7 F0 @: {; b& q) @
2. Isolate femur and tibia by disconnecting them at the joints. . e' y0 N6 h5 a) f/ l3. Clean the bones of soft tissues. 8 S7 i& C/ f3 i7 t; R9 ]# M# \4. Wash both femur and tibia in PBS containing 1% penicillin/streptomycin twice.8 ^7 t( }/ G$ L" r+ C# s3 p+ G
5. Under the cell culture hood, clip-off the epiphyseal plates to expose the bone marrow. ; ^1 c$ Q' R0 J" |6. Using a syringe, flush the bone marrow with 10 ml of media into a dish. : }4 S& i) |, W) Q% g, ^( w& q7. Break up the clumps by aspirating the cell solution multiple times. # ^; f. J1 K' |: M( m3 |/ c: {8. Using a 70μm cell strainer, filter the cell solution into 15ml tube. This will remove any unwanted debris and bone fragments.# z O1 {( a2 a6 c' x6 X5 A
9. Centrifuge the filtered cell solution at 1000rpm for 10 min.1 N% M4 @" j6 S) e0 x8 l" i. C9 v
10. Resuspend the pellet and pipet this solution into a 100mm dish. ; i. q& v& U: e& R2 m( I2 i11. Incubate for the next 48h. ! y# V |5 T+ a' b [12. Change media to remove non-adhering cells.! [" J# A- r& U% m
13. Change media every 2-3 days, even the media doesn’t change the color., D" K6 u$ {" S! G% r& r9 [
14. Usually the cell will be confluence at 7-10 days, and then are ready for passaging.3 A8 F& B' [* S 作者: 皮搋子 时间: 2011-7-2 15:40