Dr. Sanjeeva Srivastava IIT Bombay
IIT Bombay Proteomics Course NPTEL
• Case studies 2DE:
• Drug treatment in malaria parasite
• Plasma proteome analysis of SARS
• An overview of DIGE technique
• Case study DIGE:
• Serum proteome analysis of prostate cancer
2
IIT Bombay Proteomics Course NPTEL
Makanga et al. Towards a proteomic definition of CoArtem action in Plasmodium falciparum malaria.
Proteomics. 2005, 5, 1849
Case study-1
IIT Bombay Proteomics Course NPTEL
• CoArtem is a combination of artemisinin- derivative artemether with lumefantrine
• Drug of choice for all cases of non-severe malaria worldwide
• Artemisinin drug action is mediated specifically through its endoperoxide moiety
4
IIT Bombay
5
Proteomics Course NPTELPlasmodium falciparum Proteome
IIT Bombay
6
Proteomics Course NPTELPlasmodium falciparum
Late ring stage of Plasmodium
falciparum
Microscopic field showing Pf in its late
ring stage in the synchronised culture
Log
Lag Phase
Log Phase
Death Phase Stationary Phase
Time
Culture of late
ring stage pf
IIT Bombay
7
Proteomics Course NPTELFractionation of the P. falciparum proteome
Synchronised parasites isolated from host erythrocytes Washed and solubilized in a Tris buffer
Tris-insoluble fraction was subjected to two further extractions in urea based lysis buffers
IIT Bombay
8
Proteomics Course NPTELProtein bands after staining
_
+
Sample wells
Buffe r
Gel
Glass/
Plastic plates
Protein Samples loaded
into sample wells
IIT Bombay
9
Proteomics Course NPTELCoArtem = Lumifantrine + Artemether
Reaction with Late ring stage of Plasmodium falciparum
Glycolytic Enzymes
Alterations in Parasite Proteome
IIT Bombay
10
Proteomics Course NPTELArtemether Lumefantrine
Membrane associated calcium binding protein
Aspartic proteinase (HAP) HSP60, 70, 90
Enolase
Fructose biphosphate aldolase Phophoglycerate kinase
D
U
U U
U U
U U
D U
D U
IIT Bombay
11
Proteomics Course NPTELStress Response
Proteins
ARM LUM
Upregulated Downregulated
Glycolytic Enzymes
ARM LUM
IIT Bombay
12
Proteomics Course NPTEL• Investigation of alterations to the parasites proteome induced by the two components of CoArtem,
artemether and lumefantrine
• Established relationship between pharmacologically
relevant concentration and time of exposure for the
two components of CoArtem
IIT Bombay Proteomics Course NPTEL
Chen et al. Plasma proteome of severe acute respiratory syndrome analyzed by two-dimensional gel electrophoresis and
mass spectrometry. Proc Natl Acad Sci USA. 2004, 101, 17039
Case study-2
IIT Bombay
14
Proteomics Course NPTEL• Plasma proteome analysis of severe acute respiratory syndrome (SARS)
• Technique: 2DE and Mass Spectrometry
IIT Bombay
15
Proteomics Course NPTELRespiratory Disease
Droplets of saliva or mucus infected with
SARS virus
Membrane Glycoprotein
(M)
Nucleocapsid Phosphoprotein (N)
Spike Glycoprotein
(S)
RNA
SARS Virus
IIT Bombay
16
Proteomics Course NPTEL_
+
Sample wells
Buffe r
Gel
Glass/
Plastic plates Protein Samples loaded into
sample wells Protein bands
after staining
385 Proteins with >2 fold change excised
Trypsin Digestion Trypsin
38 Spots selected for
Protein Identification 22 plasma
samples 4 SARS patients
6 Healthy Patients 6 Healthy Controls
IIT Bombay
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Proteomics Course NPTELIIT Bombay
18
Proteomics Course NPTELIntensity
Elution time (min)
Your name Search title
Database (s)
SwissProt NCBInr MSDB
Enzyme
Taxonomy Fixed modification s Variable modification
Peptide tol. MS/MS tol.
Peptide charge
Data file Choose file
Monoisotopic Average
Proteomics [email protected]
Sample protein
Trypsin
Bacterial
Oxidation (M)
1.2 Da 0.2 Da
Quantitation
# C13
Data format
Instrument Precursor
Start search…
ESI-Q-TOF
LC-MS Data Analysis
Mass Analyzer #2
CollisionMass Analyzer #1
Cell IonSource
IIT Bombay
19
Proteomics Course NPTELDifferentially expressed proteins
IIT Bombay
20
Proteomics Course NPTELSDS-PAGE
PVDF
IIT Bombay
21
Proteomics Course NPTEL1 2 3 4
44 kDa 22 kDa Non–reducing Conditions
1 2 3 4
Recomb PrxII Normal Patient Sample 1 Patient Sample 2 Recomb PrxII Normal Patient Sample 1 Patient Sample 2
Reducing
IIT Bombay
22
Proteomics Course NPTELT cell T cell Receptor Viral peptide HLA Class I CD8
Virus
Peroxiredoxin II
IIT Bombay
23
Proteomics Course NPTELAcute Phase Proteins in Excess
Indicates bad liver responsible for weak
defense against SARS
SARS Corona Virus Infection
IIT Bombay
25
Proteomics Course NPTELCy3
Cy2
Cy5 Sample 1
Standard (1+2)
Sample 2
Mix
Cy3 Excitation
Cy5 Excitation
Cy2 Excitation
Pro te in Sa mp le s
Cyanine dyes
IIT Bombay
26
Proteomics Course NPTELSample mixing and 2-DE
D ir ec ti o n o f m ig ra ti o n ,
Internal standard Sample 1 Sample 2
pH 3
pH 9
Inc re a sing pH D ir ec ti o n o f m ig ra ti o n ,
DeCyder
Software pH 4 pH 7
pH 4
Increasing pIpH 7
Cy3 Excita5on
Cy5 Excita5on
Cy2 Excita5on
IIT Bombay Proteomics Course NPTEL
IIT Bombay
28
Proteomics Course NPTELHC PC
DeCyder Software
Representative Three dimensional Protein expression profiles
Your name Search -tle
Database(s) SwissProt NCBInr MSDB
Enzyme
Taxonomy Fixed modifica-ons Variable modifica-on
Pep-de tol. MS/MS tol.
Pep-de charge Data file Choose file
Monoisotopic Average
Proteomics [email protected]
Sample protein
Trypsin
Bacterial
Oxida-on (M)
1.2 Da 0.2 Da
Quan-ta-on
# C13
Data format
Instrument Precursor
Start search…
ESI-‐Q-‐TOF
LC-‐MS Data Analysis
Intensity
Elu-on -me (min)
Mass Spectra - HC Mass Spectra - PC
Ion Source
IIT Bombay Proteomics Course NPTEL
IIT Bombay Proteomics Course NPTEL
Byrne et al. 2D-DIGE as a Strategy To Identify Serum Markers for the Progression of Prostate Cancer
J Proteome Research. 2009, 8, 942-57
Case study-3
Identification of serum markers depicting progression of prostate cancer using DIGE
Prostrate
Cancer DRE
PSA
Biopsy
Prostrate Cancer Serum
Proteomic Analysis
Healthy Human
Healthy Control Serum
Diagnostic Markers for early prostrate cancer
Tissue
Sample Tissue
Sample
IIT Bombay Proteomics Course NPTEL
Loading of unpurified Protein
Mixture Sample
Effluent sample frac5ons
Collected Concentra5on
Detector Deriva5zed
sta5onary phase
Ligand solu5on
IIT Bombay Proteomics Course NPTEL
Cy3
Cy2
Cy5 2 St an dar d (1 +2 ) 1
Cyanine dyes
Mix
IIT Bombay Proteomics Course NPTEL
+
Sa mp wells le
Bu ffer Gel
Glass/
Plastic plates Protein bands
after staining- PC
2-‐D Electrophoresis
SDS-Polyacrylamide Gel
IIT Bombay Proteomics Course NPTEL
IIT Bombay Proteomics Course NPTEL
IIT Bombay
37
Proteomics Course NPTELIntensity
Elution time (min)
Your name Search title
Database (s) SwissProt
NCBInr MSDB
Enzyme
Taxonomy Fixed modification s Variable modification
Peptide tol. MS/MS tol.
Peptide charge
Data file Choose file
Monoisotopic Average
Proteomics [email protected]
Sample protein
Trypsin
Bacterial
Oxidation (M)
1.2 Da 0.2 Da
Quantitation
# C13
Data format
Instrument Precursor
Start search…
ESI-Q-TOF
LC-MS Data Analysis
Mass Analyzer #2
CollisionMass Analyzer #1
Cell IonSource
IIT Bombay
38
Proteomics Course NPTELDeCyder Progenesis
Pigment epithelium-derived factor Zinc- α 2-glycoprotein
Ficolin 3
Apolipoprotein A-II
U U
D D
D D
U
U
Capture Ab Target protein 10 Antibody
2ry Antibody
96 well plate
ELISA
IIT Bombay Proteomics Course NPTEL
PEDF
ZAG
Serum Blocking
reagent
Tissue
Chromogen
IIT Bombay Proteomics Course NPTEL
IIT Bombay
41
Proteomics Course NPTEL• Serum markers reflective of pathological grade and stage are beneficial for identification of appropriate treatment strategies
• Confirmed differential expression of PEDF and ZAG by various validation techniques
• PEDF a potential marker of early stage prostate cancer prediction
IIT Bombay
42
Proteomics Course NPTEL• Two dimensional electrophoresis (2DE and 2D- DIGE) can be applied for various applications
• Case studies –
• Drug treatment in malaria parasite
• Plasma proteome analysis of SARS
• Serum proteome analysis of prostate cancer
IIT Bombay Proteomics Course NPTEL
• Makanga et al. Towards a proteomic definition of CoArtem action in Plasmodium falciparum malaria. Proteomics. 2005, 5, 1849
• Chen et al. Plasma proteome of severe acute respiratory syndrome analyzed by two-dimensional gel electrophoresis and mass
spectrometry. Proc Natl Acad Sci USA. 2004, 101, 17039
• Byrne et al. 2D-DIGE as a Strategy To Identify Serum Markers for the Progression of Prostate Cancer. J Proteome Research. 2009, 8, 942-57
• Issaq H, Veenstra T. Two-dimensional polyacrylamide gel electrophoresis (2D-PAGE): advances and perspectives.
Biotechniques. 2008, 44, 697-8, 700.
IIT Bombay Proteomics Course NPTEL
• John F. Timms, Rainer Cramer Professor, PROTEOMICS. Difference gel electrophoresis. Volume 8, Issue 23-24, pages 4886–4897, No.
23-24 December 2008.
• Ray et al. Serum proteome analysis of vivax malaria: An insight into
the disease pathogenesis and host immune response. Journal of