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本帖最后由 细胞海洋 于 2010-6-28 11:09 编辑 8 T ^; [% X- b* `1 o. N
6 o0 y- I. C# T3 P+ \Proteomics in Practice* m9 B2 T/ y! O2 Y! v( u a1 x
A Guide to Successful Experimental Design
9 X4 S4 D3 P* L/ V6 O) W- X/ j0 O; c* z% w
Abbreviations, Symbols, Units XV
1 l; d# |1 {7 \/ A8 B0 B" dIntroduction 1
: J$ h7 F1 _9 w1 History 13 a! q3 b) j. m
2 Critical Points 8+ g2 i! }1 d. h/ {1 o& n7 |) Q
2.1 Challenges of the Protein Samples 8
2 ]' l* |) x& w1 _2.1 Challenges of the Analysis Systems 11' ?! v' ?: j: I3 O/ a
3 Proteomics Strategies 12
6 w9 E0 `+ D$ u; p3.1 Proteome Mapping 12; x* P7 w: N, N5 ?2 W! m1 {- g
3.2 Differential Analysis 127 ?# ~& n( E$ ]
3.3 Time Point Experiments 137 X- K$ z# C( P1 A3 u
3.4 Verification of Targets or Biomarkers 13- z: i6 a. F: ^5 [; w" B6 B
3.5 Integration of Results into Biological Context 13
' B# f8 L. E. T" L$ H* p: p3.6 Systems Biology 13
, x9 }) ?1 V1 M4 d; D7 p4 Concept of Experimental Planning 143 F* |" E/ m# U4 }! |- H3 T
4.1 Biological Replicates 14
# v3 Q9 ]& D, ~8 O- ^6 q4.2 Pooling of Samples: Yes or No? 14
5 B( v& M- G$ Y. I4.3 Pre-fractionation of Samples: Yes or No? 14
& H! g4 ^+ G3 E6 g% G0 ^1 U4.4 Which is the Best Workflow to Start With? 15- D4 I$ s" q. ]1 X( d
Part I: Proteomics Technology' y% Y0 `: p% v! q5 g# c! z0 L
1 Electrophoretic Techniques 19
& z2 Q! {( K+ c& Y1.1 The Principle of Electrophoresis and Some Methodological- j5 Q$ Y6 d$ ~" k' C/ b; K9 q9 ^1 O3 c
Background 191 J6 O) @2 Q; T" B1 F% q
1.1.1 Free Flow Electrophoretic Methods 20
. F4 E/ U7 a7 A+ }7 W1.1.2 Gels for Electrophoretic Techniques 21
1 r4 D {$ T. k& N& O: k1.1.3 Electroendosmosis Effects 21
+ q! R- b! T, I' v1 `1.2 Polyacrylamide Gel Electrophoresis 229 [1 g7 A' g8 G. T$ C9 F- |
; r( T/ N9 i" B+ }2 W
1.2.1 The Polyacrylamide Gel 22
9 y% z& f3 O0 P/ ?9 r* k4 |5 k7 I- F1.2.2 SDS Polyacrylamide Gel Electrophoresis 27
& l) x# e( e2 E0 V: Y( C1.2.3 Blue Native Electrophoresis 32
0 U9 E0 ~6 a9 @$ o# s- X* ~1.2.4 Cationic Detergent Electrophoresis 34
0 n0 [: G% |% Q& |# v3 N# ]1.3 Blotting 35
+ Y4 C8 h( X( v* G1.3.1 Electrophoretic Transfer 36
( }, r/ h! f2 o& U4 s* I1.3.2 Protein Detection on the Membrane 36
% ^( j9 t. Z& r2 n5 M1.4 Isoelectric Focusing 38
' g# q( H! k+ U" |4 k. t1.4.1 Theoretical Background 39) w p0 a8 u$ S' f
1.4.2 Preparation of IEF Gels 44
! {8 ?& O, Q! }1.4.3 Isoelectric Focusing in Proteomics 45+ f+ z7 J# P2 w" _
1.5 Two-dimensional Electrophoresis 53
. |* A6 b3 P9 Z/ o" U; e1.5.1 Sample Preparation 537 S/ i3 D; F3 k( w7 w+ J
1.5.2 Pre-labeling of Proteins for Difference Gel Electrophoresis 68
( w5 X2 b) I: f! [ P1.5.3 First Dimension: Isoelectric Focusing in IPG Strips 77
& d, T6 Z Q Y8 Y( @4 i( C1.5.4 Second Dimension: SDS Electrophoresis 100) M4 @& @' l7 v
1.5.5 Detection of Protein Spots 1196 E: V# M8 N w" T \/ j( g+ v! z
1.6 Image Analysis 125
! a. l6 c! ?7 E' s1.6.1 Image Acquisition 125$ m# T+ I4 v' y3 q
1.6.2 Image Analysis and Evaluation 1291 T. I# N, x' W6 y" |
1.6.3 Use of 2-D Electrophoresis Data 137& B6 U P4 S( l( l( I
1.7 Spot Handling 137' p' e# i" {6 H- z
1.7.1 Spot Picking 139
6 x" H8 J7 W- d, ?3 G/ [1.7.2 Protein Cleavage 141
% ^2 ]: n* X* _Liquid Chromatography Techniques 151% R& d3 {8 H3 A) ?" U4 J4 K- A
2.1 Basic Principles of Important Liquid Chromatography
( x% t% l8 S& Z- i, a/ u' {$ nTechniques 151
& s% U" M% F b2.1.1 Ion Exchange Chromatography 153% k6 [: z/ C& o$ a6 g
2.1.2 Reversed Phase Chromatography 162
2 v- C" C# v# ^) P* @8 p; L! L2.1.3 Affinity Chromatography 167
- k: n+ r$ ^- ~/ T1 \. \2.1.4 Gel Filtration 172
6 D; F) s, U( w/ J5 J7 a7 F2.2 Strategic Approach and General Applicability 174% e) _. x! k9 \
2.3 Liquid Chromatography Techniques and Applications in Proteome
o; y) u t- D5 HAnalysis 176
# L8 Y( x% B0 N5 g2.3.1 Peptide Separation 176
0 { w# x+ A+ e' N, G- |2.3.2 2DLC Peptide Separation 179
* s I0 ?1 ?: }! ?: z/ ]4 y" Z2.3.3 Affinity Chromatography and LC-MS/MS 187% M/ f! T( f @1 L& c) G
2.3.4 Protein Pre-fractionation 189
* f6 ?# }+ b% ~6 Z' M& @8 |2.4 Practical Considerations and Application of LC-based Protein* ~' C9 m1 B# h3 x& ]+ [( g0 K
Pre-fractionation 1946 U) d6 |; u( A0 W" r: E) L; u
2.4.1 Sample Extraction and Preparation 196
8 a" S3 `2 @" O7 ~7 t2.4.2 Experimental Setup 197% v' Y& g# S; [& U% U- P& g# l6 j
2.4.3 Ion Exchange Chromatography and8 d; \: a# u5 H' d5 Y' l$ \- K2 B
Protein Pre-fractionation 198. x" c3 w; A8 h: O2 y5 P
Contents; i; B v- R7 @9 P# \9 u7 [# s2 u
2.4.4 Reversed Phase Chromatography and7 `8 V! N4 @# Q! x0 Z5 K
Protein Pre-fractionation 2057 k5 F2 s5 Z0 G$ r0 g3 i6 ^2 s
2.4.5 Fraction Size and Number of Fractions 210- L9 W1 ^ Y% L6 [4 o+ Z( K
2.5 Critical Review and Outlook 211
& w2 {# J8 o( G; b! O( }0 U2 ^3 Mass Spectrometry 215
! n5 ~% [& c& a( ^5 x/ R b* q, E3.1 Ionization 218( C! P5 R7 Z6 Y: u+ T- U
3.1.1 Matrix Assisted Laser Desorption Ionization 2186 H! m4 a3 ]1 Y8 b/ y( d
3.1.2 Electrospray Ionization 222, C) g; r/ O+ T+ M ]: G
3.2 Ion Separation 225# C4 [) w: s- P2 f8 Q/ I, I
3.2.1 Time-of-Flight Analyzer 225
* G9 C$ Q# X. ]7 [- Q) w5 }3.2.2 Triple Quadrupole Analyzer 227
. ` B9 }# z; F3.2.3 Quadrupole Ion Trap 228. Y- C, I: \) V2 k7 U S* U
3.2.4 Quadrupole Time-of-Flight 230
) c) [4 H' ^( ~: B1 w- ^' |3.2.5 Hybrid Triple Quadrupole Linear Ion Trap 231
- A% C* [. x w5 ]3 G6 `5 W3.2.6 TOF/TOF Analyzer 231
0 _1 h6 u/ U# v: s1 L. E/ ?3.2.7 Fourier Transform Ion Cyclotron 2324 X5 I8 t m' M
3.2.8 Orbitrap 233! x( b* J: A* w% R
3.3 Generating MS Data for Protein Identification 233! ?+ l7 }! n# T( Z, U
3.3.1 Peptide Mass Fingerprint 234$ C3 [+ a& S4 |! }
3.3.2 Peptide Mass Fingerprint Combined With Composition9 j6 e' Q, ^8 ?! ?& X1 x0 l
Information 237
; v. n/ p! W, g# d' |$ ~9 y3.3.3 Peptide Mass Fingerprint Combined With Partial Sequence
7 S% {3 M* `! j: q+ o3 NInformation 238
0 r# h6 V8 f$ G9 b; V, K4 A3.3.4 Tandem Mass Spectrometry 2424 G6 j: G+ ^0 R2 g3 S8 \) w" I
3.4 Protein Characterization 258
0 u% e$ Y/ j, X! F8 X f3.4.1 Phosphorylation Analysis 259
* Q' P) f5 K" g* ]3.4.2 Affinity Chromatography 260/ O- I9 L* M: ~& d& p% L! Q2 {8 i7 [
3.4.3 Chemical Derivatization 261
_5 n; v! ^0 c3.4.4 Glycosylation 263' d$ O' R- q' e1 @" P$ c+ Z
3.5 Protein Quantification Using Mass Spectrometry 264
5 o7 N8 g1 R0 U, R& z) m3.5.1 Stable Isotope Labeling Approaches 264
" }% P& Z& X" `" k3.5.2 Isotope-coded Affinity Tags 265. O M1 _+ l; i" X7 b- G% u& j
3.5.3 Stable Isotope Labeling with Amino Acids in Cell Culture 266) x( [2 ]5 W5 U
3.5.4 AQUA 267
' H, [, X; _, c3.5.5 iTRAQ 267- ~) a. w0 R$ b. \
3.5.6 Non-labeling Software Approaches 268
: w! N+ m3 i3 _' B% G* x3.6 MS Strategies 271& c. X' F7 P1 ^! u8 y
3.6.1 Bottom up Approach 271
! J- Q! R3 C9 N4 V6 |3.6.2 Top down Approach 272& ^# s* U' b! p- j3 c
4 Functional Proteomics: Studies of Protein–Protein Interactions 273, u$ v' V/ {9 ]+ s" X" Z9 h. l" X
4.1 Non-immunological Methods 2734 B0 n: ~4 r# X x
4.1.1 Separation of Intact Multi-protein Complexes 273
- k9 t3 ?6 S* P! \* L% c4 D3 i4.1.2 Probing with Interaction Partners 273- K n5 u$ ]$ g! h8 M
4.1.3 Surface Plasmon Resonance 2743 A# L, W$ G% O% \; C+ w1 N$ O9 R
4.2 Antibody-based Techniques 2758 w9 z& x2 W/ s# p/ M8 g+ p
4.2.1 Western Blotting and Dot Blots 2757 b: {+ c( u8 v+ x5 v: V8 `
4.2.2 Protein Microarrays 276
" D. F; u6 X& j. ~6 f0 gPart II: Practical Manual of Proteome Analysis 279, q. r3 C! m( L" Q5 x" d
Equipment, Consumables, Reagents 281
) t; j% s: S/ p. p/ t. w7 j- KStep 1: Sample Preparation 2873 W8 t \8 Y8 v7 ~8 {
Step 2: Fluorescence Difference Gel Electrophoresis 299
- ~( A6 }, v2 n' {! m& ?) \5 y$ oStep 3: Isoelectric Focusing 309
+ n8 O9 w, l! L, Q! FStep 4: SDS Polyacrylamide Gel Electrophoresis 3238 G |0 {! W3 [ u1 K" v' y- X# K
Step 5: Scanning of Gels Containing Pre-labeled Proteins 357
8 U ]6 T: h8 e) D4 p! _! m8 n3 {Step 6: Staining of Gels 361
2 v% R" `2 N9 H ^( RStep 7: Image Analysis and Evaluation of DIGE Gels 373
& ]" w. S# W" F# [Step 8: Spot Excision 3835 P7 H1 f5 x+ v' B7 d8 I
Step 9: Sample Destaining 387; @. A, `. x* i, G% N# F1 Y
Step 10: Protein Digestion 389
. W4 Y! y, {1 L$ h, VStep 11: Microscale Desalting and Concentrating of Sample 393
# b5 O7 {! b: q" B3 i% IStep 12: Chemical Derivatization of the Peptide Digest 397
4 ]- ]- b, r9 J8 [+ ` y9 Q: A& lStep 13: MS Analysis 399
/ z, M! |8 B7 B) c) z1 [, `* _3 YStep 14: Calibration of MALDI-ToF MS 403/ F$ @9 ?' _4 e; {3 b) Y* P
Step 15: Preparing for a Database Search 407
3 G P* s* a1 G Z, `8 YPart III: Trouble Shooting 411% h$ y5 |% ]7 F& N5 T) y
1 Two-dimensional Electrophoresis 4137 ~( D8 o1 F& O
1.1 Sample Preparation 413
& O# F- ? E7 @% z7 a. B" A+ K3 X3 U1.2 Isoelectric focusing in IGPG strips 414/ S! |2 v- [" c* B. w, Q B, O2 i
1.3 SDS PAGE 416
+ B" d& c0 u& o+ w1.4 Staining 4175 s9 z9 b4 s' D/ K
1.5 DIGE Fluorescence Labeling 4183 f& ^5 w2 i7 B7 B2 j% g- `9 w
1.6 Results in 2-D Electrophoresis 421; g# p5 z& B- p" B# I6 e [
2 Mass Spectrometry 429% @5 ^ o' w6 G
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