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Transcript of Elis array 2013
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Sample & Assay Technologies- 1 -
Samuel Rulli, Ph.D.Applications Scientist
Analyze Cytokines and Chemokines Simultaneously
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Sample & Assay Technologies- 2 -
Analyze Cytokines and Chemokines Simultaneously
Questions, Comments, Concerns?US Applications Support
Questions, Comments, Concerns?Global Applications Support
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Sample & Assay Technologies- 3 -
Topics to be Covered
. Challenges Facing Cytokine Researchers
. How the ELISArray Kits Work• Multi-Cytokine or Chemokine Flexibility• Best Performance, Ease of Use, Cost-Effectiveness
. Application Example; Measuring the relative and quantitative amounts of multiple cytokines & chemokines
. Screening for inflammation markers using RT2 Profiler PCR Arrays
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Sample & Assay Technologies- 4 -
Cytokine Signaling: A Complicated Network
�Important for inflammation initiation and Resolution.
�Role in cancer progression?
�Role in metabolic disorders?
�Predictive for diseases, important for therapy choices
�Complicated interactions with multiple cytokines causing global response
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Sample & Assay Technologies- 5 -
Cytokine Signaling: A Complicated Network
�Different responses for different pathogens
�Viral induced TLRs:TNFα, IL1b, IL6, IL12, IL17A, IL8, MCP-1, RANTES, IP-10, MIG, TARC, IFNa.
�Microbial induced through TLRs:TNFα, IL1b, IL6, IL12, IL17A, IL8, MCP-1, RANTES, MIP-1a, MIP-1b, MDC, Eotaxin
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Sample & Assay Technologies- 6 -
Challenges Facing Cytokine Researchers
.Common Mindset� ELISA – Quantitative Protein Analysis� Only one cytokine at a time. What about others? Which ones?� Pick one & buy another ELISA kit� Money & time wasted if cytokine proves unimportant
.Cost-Effective Multi-Analyte/Multiplex Analysis� Format & pricing of ELISA products only analyze one cytokine� Multiplex methods require complicated & expensive e quipment
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Sample & Assay Technologies- 7 -
Topics to be Covered
. Challenges Facing Cytokine Researchers
. How the ELISArray Kits Work• Multi-Cytokine or Chemokine Flexibility• Best Performance, Ease of Use, Cost-Effectiveness
. Application Example; Measuring the relative and quantitative amounts of multiple cytokines & chemokines
. Screening for inflammation markers using RT2 Profiler PCR Arrays
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Sample & Assay Technologies- 8 -
How does an ELISA work?
Complex solution of multiple cytokines
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Sample & Assay Technologies- 9 -
How does an ELISA work?
“capture antibody”
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Sample & Assay Technologies- 10 -
How does an ELISA work?
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Sample & Assay Technologies- 11 -
How does an ELISA work?
Wash
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Sample & Assay Technologies- 12 -
How does an ELISA work?
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Sample & Assay Technologies- 13 -
How does an ELISA work?
Enzymatic reaction(colormetric detection)
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Sample & Assay Technologies- 14 -
What is an ELISArray Kit?
.Simultaneously profiles multiple cytokines / chemokines
.Uses convenient & simple ELISA protocol
.COMPLETE kit with standardized set of Antigen Standards, Secondary Antibodies, Colorimetric Detection Reagents, Buffers.Uses your existing ELISA plate reader
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Sample & Assay Technologies- 15 -
Multi-Analyte Flexibility: ELISArray Layout
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Sample & Assay Technologies- 16 -
Multi-Analyte Flexibility: ELISArray Layout
Cytokines or Chemokines
1 2 3 4 5 6 7 8 9 10 11 12
Sam
ples
A
IL1a
IL1b
IL2
IL4
IL6
IL8
IL10
IL12
IL17A
IFN
γγ γγ
TN
F αα αα
GM
-CS
F
B
C
D
E
F
G
H
Each eight-well strip is coated with a capture antibody for a cytokine or chemokine.A set of twelve strips in one ELISArray represents twelve cytokines or chemokines.For example, Human Inflammatory Cytokines
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Sample & Assay Technologies- 17 -
Multi-Analyte Flexibility: ELISArray Content
.TLR-induced Cytokines I: Viral-induced (Human & Mou se)H TNFα, IL1b, IL6, IL12, IL17A, IL8, MCP-1, RANTES, IP-10 , MIG, TARC, IFNααααM TNFα, IL1b, IL6, IL12, IL17A, SDF-1, MCP-1, RANTES, IP- 10, MIG, TARC, 6Ckine
.TLR-induced Cytokines II: Microbial-induced (Human & Mouse)H TNFα, IL1b, IL6, IL12, IL17A, IL8, MCP-1, RANTES, MIP-1 a, MIP-1b, MDC, EotaxinM TNFα, IL1b, IL6, IL12, IL17A, SDF-1, MCP-1, RANTES, MIP -1a, MIP-1b, MDC, Eotaxin
.Common Chemokines (Human & Mouse)H IL8, MCP-1, RANTES, MIP-1a, MIP-1b, IP-10, I-TAC, MIG, Eotaxin, TARC, MDC, GROaM RANTES, MCP-1, MIP-1a, MIP-1b, SDF-1, IP-10, MIG, Eotaxin, TARC, MDC, KC, 6Ckine
.Autoimmune Response (Human & Mouse)H IL1b, IL4, IL6, IL10, IL12, IL17A, IFN γγγγ, TNFαααα, TGFββββ1, MCP1, MIP-1a, MIP-1bM IL1b, IL4, IL6, IL10, IL12, IL17A, IFN γγγγ, TNFαααα, TGFββββ1, MCP1, MIP-1a, MIP-1b
.Common Cytokines (Human & Mouse)H IL1a, IL1b, IL2, IL4, IL5, IL6, IL8, IL10, IL12A, IL13, IL17A, GM-CSFM IL1a, IL1b, IL2, IL4, IL5, IL6, IL10, IL12A, IL13, IL17A, G-CSF, GM-CSF
.Inflammatory Cytokines (Human & Mouse)H IL1a, IL1b, IL2, IL4, IL6, IL8, IL10, IL12, IL17A, IFNγγγγ, TNFαααα, GM-CSFM IL1a, IL1b, IL2, IL4, IL6, IL10, IL12, IL17A, IFN γγγγ, TNFαααα, G-CSF, GM-CSF
.Th1 / Th2 / Th17 Cytokines (Human & Mouse)H IL2, IL4, IL5, IL6, IL10, IL12, IL13, IL17A, IFN γγγγ, TNFαααα, G-CSF, TGFββββ1M IL2, IL4, IL5, IL6, IL10, IL12, IL13, IL17A, IL23, IFNγγγγ, TNFαααα, TGFββββ1
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Sample & Assay Technologies- 18 -
New Rat ELISArray Content
.Inflammatory Cytokines IL1A, IL1B, IL2, IL4, IL6, IL10, IL12, IL13, IFN γ, TNFα, GM-CSF, RANTES
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Sample & Assay Technologies- 19 -
Multi-Analyte Flexibility: ELISArray Layout
Each ELISArray microplate characterizes up to six samples:One Negative Control, One Positive Control, Six Biological Samples
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Sample & Assay Technologies- 20 -
Ease of Use: Protocol Overview
1. Set up Antigen Standard ( included) and sample dilutions.
2. Add assay buffer & samples to each ELISArray wel l. Incubate 2 hours. Wash 3×.
3. Add Detection Antibody Solution. Incubate 1 hour . Wash 3×. Each diluted with the same volume of buffer.
4. Add Avidin - HRP. Incubate 30 minutes. Wash 4×.
5. Add Development Solution. Incubate 15 minutes in the dark.
6. Add Stop Solution. Read OD450 within 30 minutes.
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Sample & Assay Technologies- 21 -
Screening Antibodies for Best Performance
.Systematically test every possible combination of c apture & detection antibodies for each cytokine or chemokine using the following criteria:
• High SensitivityThe highest antigen concentration produces the maximum signal (OD450 ~ 2.0).
• Good LinearityThe calibration curve is linear with a correlation factor R2 greater than 0.950.
.A combination only passes if it meets these two cri teria.
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Sample & Assay Technologies- 22 -
ELISArray Performance:Optimize for Simultaneous Readout
EACH cytokine assay in the ELISArray set provides:
• The SAME linear response
• From the SAME antigen concentration range
• Using the SAME protocol
• Stated Limit of Detection (LOD) for each cytokine
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Sample & Assay Technologies- 23 -
Optimize for Simultaneous Readout
All 12 calibration curves obtained with same 15’ development timeAll 12 calibration curves are parallel
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Sample & Assay Technologies- 24 -
ELISArray Performance: Sensitivity
Level of sensitivity typical of ELISA for these cytokines & chemokinesLOD = Limit of Detection (pg/ml)
HUMAN MOUSE
Antigen LOD Antigen LOD Antigen LOD Antigen LOD
IL1a 13.5 IL17A 28.4 IL1a 32.5 IL17A 46.2
IL1b 17.9 IL1b 55.2 IL23 67.2
IL2 35.1 IFNγγγγ 19.6 IL2 24.2 IFNγγγγ 39.0
IL4 7.0 TNFαααα 21.4 IL4 32.8 TNFαααα 30.5
IL5 14.0 GM-CSF 48.3 IL5 36.1 GM-CSF 23.7
IL6 14.0 G-CSF 20.9 IL6 58.8 G-CSF 25.6
IL8 16.5 MIP-1a 25.7 MIP-1a 35.1
IL10 5.9 MIP-1b 23.6 IL10 59.4 MIP-1b 26.7
IL12 12.6 MCP1 40.3 IL12 21.1 MCP1 25.5
IL13 15.0 TGFββββ1 19.7 IL13 34.6 TGFββββ1 22.9
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Sample & Assay Technologies- 25 -
Topics to be Covered
. Challenges Facing Cytokine Researchers
. How the ELISArray Kits Work• Multi-Cytokine or Chemokine Flexibility• Best Performance, Ease of Use, Cost-Effectiveness
. Application Example; Measuring the relative and quantitative amounts of multiple cytokines & chemokines
. Screening for inflammation markers using RT2 Profiler PCR Arrays
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Sample & Assay Technologies- 26 -
ELISArray Kit Application Example
.Treat human peripheral blood mononuclear cells (PBMC) with
.PMA (50 ng/ml) and ionomycin (1 µg/ml)
.Profile Th1 / Th2 cytokine induction over time:0, 6, 18, 24, and 48 hours
.Follow up with Single Analyte ELISArray Kits for quantitative results
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Sample & Assay Technologies- 27 -
Th1/Th2 cytokine Panel
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Sample & Assay Technologies- 28 -
ELISArray Kit Application Example
Large amounts of IL-2 and IFNγ are induced throughout, and apparently beyond, the time course tested. To a lesser extent, TNFα is induced throughout, and apparently beyond, the time course tested.
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Sample & Assay Technologies- 29 -
Only more moderate amounts of IL4, IL5, IL10 and IL13 are induced, reaching a maximum at roughly just before 24 hours of stimulation, and even seem to start to decrease again at later times. The amount of IL12 is not detectable even after 48 hours of constant stimulation.
ELISArray Kit Application Example
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Sample & Assay Technologies- 30 -
Single Elisa Panel
IL1A Human Mouse Rat New
IL1B Human Mouse
IL2 Human Mouse Rat New
IL4 Human Mouse Rat New
IL5 Human Mouse
IL6 Human Mouse Rat New
IL8 Human
IL10 Human Mouse Rat New
IL12 Human Mouse Rat New
IL13 Human Mouse Rat New
IL17A Human Mouse
IL23 Mouse
IFNγ Human Mouse Rat New
TNFα Human Mouse Rat New
GM-CSF Human Mouse Rat New
G-CSF Human Mouse
MIP-1a Human Mouse
MIP-1b Human Mouse
MCP1 Human Mouse
TGFβ1 Human Mouse
RANTES Human Mouse Rat New
IP-10 Human Mouse
I-TAC Human
MIG Human Mouse
Eotaxin Human Mouse
TARC Human Mouse
MDC Human Mouse
GROa Human
IFNα Human
KC Mouse
SDF-1 Mouse
6Ckine Mouse
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Sample & Assay Technologies- 31 -
Follow up with quantitative results from individual Single Analyte ELISArray Kits confirms the profiling results from the Multi-Analyte ELISArray Kits.
ELISArray Kit Application Example
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Sample & Assay Technologies- 32 -
Available ELISArray Kits
.Multi-Analyte ELISArray Kits (Human, Mouse, Rat)TLR-induced Cytokines I & II Comm on Chemokines Autoimmune Response Common CytokinesInflammatory Cytokines Th1 / Th2 / Th17 Cytokines
.Single Analyte ELISArray Kits (Human, Mouse, Rat)
.Mix-N-Match Flexibility:Define your own set of cytokine / chemokine 8-well strips
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Sample & Assay Technologies- 33 -
Mix-N-Match Flexibility
Set up your own combination of 12 cytokines or chemokinesOR set up replicate sets of a smaller number of analytes (2 x 6, 3 x 4)
Cytokines or Chemokines
1 2 3 4 5 6 7 8 9 10 11 12
Sam
ples
A
B
C
D
E
F
G
H
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Sample & Assay Technologies- 34 -
Mix-N-Match Flexibility
Set up your own combination of 12 cytokines or chemokinesOR set up replicate sets of a smaller number of analytes (2 x 6, 3 x 4)
Cytokines or Chemokines
1 2 3 4 5 6 7 8 9 10 11 12
Sam
ples
A
B
C
D
E
F
G
H
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Sample & Assay Technologies- 35 -
Set up your own combination of 12 cytokines or chemokinesOR set up replicate sets of a smaller number of analytes (2 x 6, 3 x 4)
Cytokines or Chemokines
1 2 3 4 5 6 7 8 9 10 11 12
Sam
ples
A
B
C
D
E
F
G
H
Mix-N-Match Flexibility
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Sample & Assay Technologies- 36 -
Set up your own combination of 12 cytokines or chemokinesOR set up replicate sets of a smaller number of analytes (2 x 6, 3 x 4)
Cytokines or Chemokines
1 2 3 4 5 6 7 8 9 10 11 12
Sam
ples
A
B
C
D
E
F
G
H
Mix-N-Match Flexibility
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Sample & Assay Technologies- 37 -
Topics to be Covered
. Challenges Facing Cytokine Researchers
. How the ELISArray Kits Work• Multi-Cytokine or Chemokine Flexibility• Best Performance, Ease of Use, Cost-Effectiveness
. Application Example; Measuring the relative and quantitative amounts of multiple cytokines & chemokines
. Screening for inflammation markers using RT2 Profiler PCR Arrays
![Page 38: Elis array 2013](https://reader030.fdocuments.us/reader030/viewer/2022013111/55959c0f1a28ab71748b46ae/html5/thumbnails/38.jpg)
Sample & Assay Technologies- 38 -
Profiling cytokines & chemokines using PCR Arrays
DNA
RNA
Protein
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Sample & Assay Technologies- 39 -
PCR Arrays for profiling inflammation 96 well
Pathways:
Cytokines & ChemokinesInflammatory Cytokines & ReceptorsInflammatory Response & Autoimmunity
84 different cytokines & chemokines
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Sample & Assay Technologies- 40 -
PCR Arrays for profiling inflammation 384 well HT
Pathways:
Inflammatory Response & Autoimmunity
372 different cytokines & chemokines
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Sample & Assay Technologies- 41 -
Profiling cytokines & chemokines using PCR Arrays and validation using ELISA
DNA RNA Protein
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Sample & Assay Technologies- 42 -
SUMMARY
.Multi-Protein Flexibility:Profile more of the cytokines / chemokines Pre-designed sets of 12 human, mouse or rat cytokin es & chemokinesMix-N-Match ELISArrays to design your own
.High Performance:Saved you time & effort by already screening with t he best antibodies Stated Limit of Detection, High Sensitivity, Good L inearity
.Ease of Use:Conventional ELISA protocol and readerNo other special equipment needed
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Sample & Assay Technologies- 43 -
Try ELISArray Kits in Your Research
Questions?
Contact Technical Support 9 AM – 6 PM Eastern M – FTelephone: 888-503-3187; Email: [email protected]
Samuel Rulli, Ph.D.: [email protected]