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- 积分
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- 107
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- 900
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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。% e* [1 }8 P& x6 i9 T) A& ?
Double immunofluorescence for CNPase and GFAP on fixed paraffin-embedded tissue sections.+ ^- y& k# }( F, L4 B9 N/ y2 r
1. Deparaffinization (2×3 min, Roticlear; 1×3 min, isopropanol; 1×3 min, 96% ethanol).
5 S- ~& v2 G4 E4 @9 a2. Incubate tissues in 0.5% H2O2 solution, 30 min, RT (inactivation of endogenous peroxidase).
( U* e' a1 L: y$ ?2 V `2 R3. Rinse tissue with PBS, 1×5 min.
. Q( r- C$ F; Q4 K5 U/ Z# b0 s4. Boil tissue in citrate buffer in microwave pretreatment, 20 min (antigen demasking).
- m- I) h/ l; T. l5. Rinse tissue with PBS, 3×3 min.
9 k* S2 B: [6 r% F- H) i6. Incubate tissue in 20% goat serum, 30 min, (blocking of unspecific antigens).
" T9 w* O7 K0 O% {3 b+ h6 B7. Incubate tissue with both primary antibodies (CNPase, mouse, 1 : 100; GFAP, rabbit, 1 : 1000), 1 h.
) C* Y1 T+ P. a; N2 C; [8. Rinse tissue with PBS, 3×3 min.) W8 v6 y8 S: o
9. Incubate tissue with both secondary antibodies (goat anti-rabbit Cy2, 1 : 200, goat anti-mouse Cy3, 1 : 200), 1 h, RT.' J4 q6 ]5 k0 e7 q( i) c. M/ ~
10. Rinse tissue with PBS, 3×3 min.
* r% l$ \# b7 F# s6 _* x11. Incubate cells with bisbenzimide solution, 10 min, RT.
- n, ]3 R/ S I0 c9 u$ _12. Rinse tissue with PBS, 3×3 min.9 Z7 C- \ k: ^$ P3 J$ k( K" O
13. Rinse tissue with distilled water, 1×5 min., W1 S n& X( n3 U+ E ?
14. Mount slide with Roti ®-Histokitt II mounting medium.1 {5 ?! X+ @( Z
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