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我给你我做的一个protocol吧,一抗是不同源,还有前期根据抗体的要求做不同的处理就行了。0 d' g5 a2 C3 _! ^3 [
Double immunofluorescence for CNPase and GFAP on fixed paraffin-embedded tissue sections.% r3 a G/ `7 r5 @, U
1. Deparaffinization (2×3 min, Roticlear; 1×3 min, isopropanol; 1×3 min, 96% ethanol).# W) k* e2 L2 e6 |/ r n, ]
2. Incubate tissues in 0.5% H2O2 solution, 30 min, RT (inactivation of endogenous peroxidase).
* S' G! Y; d) g. X+ m0 L3. Rinse tissue with PBS, 1×5 min.
% h4 k% R& w0 F4. Boil tissue in citrate buffer in microwave pretreatment, 20 min (antigen demasking).* C7 {7 v7 Q! K3 ]/ S
5. Rinse tissue with PBS, 3×3 min." a9 h! b0 s$ m4 e* m R! Z
6. Incubate tissue in 20% goat serum, 30 min, (blocking of unspecific antigens).
- n4 U: G5 ]! i7. Incubate tissue with both primary antibodies (CNPase, mouse, 1 : 100; GFAP, rabbit, 1 : 1000), 1 h.
$ }2 x5 q- u! v8. Rinse tissue with PBS, 3×3 min.$ B) F( l& q1 `8 C$ T3 d
9. Incubate tissue with both secondary antibodies (goat anti-rabbit Cy2, 1 : 200, goat anti-mouse Cy3, 1 : 200), 1 h, RT.
$ _4 r: C- \. @10. Rinse tissue with PBS, 3×3 min.
! ~6 G: ~; y% r( `8 B11. Incubate cells with bisbenzimide solution, 10 min, RT.
4 j& J. \7 `5 B12. Rinse tissue with PBS, 3×3 min.
2 @2 L" ]- N( X: f }13. Rinse tissue with distilled water, 1×5 min.) C. i n# ~2 p- }
14. Mount slide with Roti ®-Histokitt II mounting medium.
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