Multiparametric assessment of the effects of cardioactive compounds …€¦ · Multiparametric...
Transcript of Multiparametric assessment of the effects of cardioactive compounds …€¦ · Multiparametric...
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Multiparametric assessment of the
effects of cardioactive compounds on
human iPSC-derived cardiomyocytes
16th FDSS Users Meeting
June 9th, 2016
Marijn Vlaming, PhDVP Technology
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Pluriomics
About Pluriomics
• Operational since 2012
• R&D labs in the Leiden Bio Science Park (NL)
• Sales & Marketing in the Leiden Bio Science Park (NL)
• Production facilities in the Gosselies Biopark (BE)
– QMS
– Cell production
– Medium production
• Currently 21 people
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Pluriomics
Implement human stem cell technology
in biopharmaceutical R&D
• To improve efficiency of drug discovery
and development by selecting for novel
and safe drug candidates early on
• To significantly reduce animal
experiments
• To personalize drug discovery and
development
Our mission
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Pluriomics
Cardiovascular toxicity in drug development
Cardiovascular 45%
Hepatic System 32%
Cardiovascular toxicity:• Represents most frequent serious adverse drug reaction (Redfern et al., 2010)• Major cause of withdrawal of marketed drugs
Other 23%
total post-approval drug withdrawal (Stevens & Baker, 2009)
Urgent need for relevant in vitro models to screen for cardiotoxicity early in the drug development process
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Pluriomics
iPSC derived cardiomyocyte-based assays
for cardiotoxicity screening
iPS cell lineHuman iPS-derived cardiomyocytes
Defined differentiation protocol
Cardiotoxicity screeningof compounds
Functionality:
- Electrophysiology- Cell contraction
Biochemistry
- Cell viability (ATP)
Large scale manufacturing
of cardiomyocytes
Metabolism- Mitochondrial toxicity
Master iPS cell bank
Fully characterized
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Pluriomics
Pluriomics manufactures iPSC derived functional
cell types and offers cell-based assay services
Smooth muscle cells
Cardiomyocytes
Endothelial cells
Drug development
Pharmacological research
Assay development
• Electrophysiology
• Biochemistry
• Contraction
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Pluriomics
Pluricyte® Cardiomyocytes exhibit a fast upstroke
velocity and high degree of ultra-structural organization
0 mV
- 78 mV
100 ms
Gap Junctions
Connexin 40, 43
Ion channels
INa ICa,L IKr, IKs Ito, Ik1
Calcium handling
CSQ2, PLN, RYR2
Structural
MYH6, MYH7, MYL2,
TNNI, ACTN2
Transcription factors
Nkx2-5, MEF2c, GATA4
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Pluriomics
Synchronically beating Pluricyte® Cardiomyocytes and
ultra-structural organized sarcomeres
MOVIE
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Pluricyte® Cardiomyocyte Medium
increases force of contraction
Ribeiro MC Biomaterials. 2015 May;51:138-50. doi: 10.1016/j.biomaterials.2015.01.067.
Control = LUMC standard mediumCM = Previous generation mediumMM = Pluricyte® Cardiomyocyte MediumhFetal = human fetal cardiomyocytes
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Pluriomics
Multiparametric approach to study cardioactive
effects in Pluricyte® Cardiomyocytes
Field potential*
Impedance*
Contraction*
* Possible in combination with pacing
Ion channel Currents
Calcium transients*
Trans membrane Action potentials*
Viability / metabolism
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PluriomicsAssay platforms for multiparameter safety
and efficacy testing in Pluricyte®
Cardiomyocytes – 2 step approach
FDSS/µCell Maestro
- 48/96 wells
- Electrophysiology-based
- 768 electrodes
- High resolution
- Pacing
- 96/384/1536 wells
- Calcium flux-based
- High throughput
- Pacing
Cardio ECR
- 48 wells
- Electrophysiology- and
contraction-based
- Pacing
1. Ca2+-flux assays 2. Multielectrode array (MEA) assays
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Pluriomics
A typical single field potential and impedance waveform
of Pluricyte® Cardiomyocytes
Cardiomyocyte excitation-contraction coupling
Link between electrophysiology and contraction–
CardioECR analysis
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30 nM E4031
Using MEA assays to investigate arrhythmic effects of
hERG channel blockers on Pluricyte® Cardiomyocytes
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<-------------------------------------------------------------------------------4 days---------------------------------------------------------------------------------->
Control
0.03μM
0.3μM
1μM
3μM
Doxorubicin addition
Control
0.03 μM
0.3 μM
1 μM
3 μM
14h. post-treatment
<----------------------------------------------60sec-------------------------------------------->
Testing chronic effects of compounds on
Pluricyte® Cardiomyocytes using the CardioECR
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Pluriomics
Combining the FDSS/µCell system and
Pluricyte® Cardiomyocytes for high-
throughput assays to study compound
effects
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Pluriomics
Role of Calcium in Cardiomyocyte Contraction
1. Membrane
depolarization Ca2+
influx
2. Release of Ca2+ from
sarcoplasmic reticulum
3. Binding of cytoplasmic
Ca2+ to troponin
sarcomere activation
4. Contraction
5. Removal of Ca2+ into
SR and out of cell
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Pluriomics
Measuring calcium transients in
Pluricyte® Cardiomyocytes using the FDSS
Masking dye
Ca2+ sensitive dye Receptor
Ion channel
Contraction = Increase in cytosolic Ca2+
Relaxation = Decrease in Ca2+
Background is significantly reduced by masking extracellular solution
Calcium sensitive dyes, e.g. Calcium-6 (Molecular Devices)
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Pluriomics
1. Calcium flux in Pluricyte®
Cardiomyocytes – 384 well format
Data recorded with FDSS/µCell with Molecular Devices Calcium 6 dye
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Pluriomics
Testing cardioactive effects of test
compounds in Pluricyte® Cardiomyocytes
Data recorded with Hamamatsu Photonics FDSS/µCell 4:30-5:00 (30s) after
compound addition
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Pluriomics
Screening for cardioactive effects in
Pluricyte® Cardiomyocytes using FDSS/µCell
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Pluriomics
Detailed analysis of compound effects in
Pluricyte® Cardiomyocytes using FDSS/µCell
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Pluriomics
2. Detailed assessment of compound
effects in MEA-based assays
DMSO E4031
DiltiazemIsoproterenol
Flecainide
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Pluriomics
Case example: effects of Tyrosine Kinase
Inhibitors on Pluricyte® Cardiomyocytes
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Pluriomics
Tyrosine kinase inhibitors (TKIs) do not
only target cancer cells
Tyrosine Kinase Inhibitors:
- improved antitumor efficacy and have fewer toxic side-effects, compared to traditional chemotherapy,
- have been associated with (severe) cardiotoxicities.
- presence of identical molecular pathways in cardiomyocytes
the cardiotoxicity profile is different for each drug
Nature Reviews Cancer 7, 332-
344 (May 2007)
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Pluriomics
1. TKI-induced alterations in
calcium transients of Pluricyte® Cardiomyocytes
0.1% DMSO 3µM Nilotinib 3µM Staurosporine
1 min. 1 min. 1 min.
28000
6000
RLU
Nilotinib has an hERG IC50 of 0.66 μM
Data recorded with Hamamatsu Photonics FDSS/µCell directly after
compound addition
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Pluriomics
2. Further analysis of TKI effects using
CardioECR MEA-based assays
0.03% DMSO
3μM Nilotinib
3μM Imatinib
3μM lapatinib
3μM Staurosporine
Norm
aliz
ed C
ell
Index (
CI)
4.0
2.0
0.0
-2.0
-4.0
-6.0
-8.0
-10
-12
-14
24 hours
15 min. 24 h.
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Pluriomics3
µM
Nilo
tin
ib3
µM
Imat
inib
3µ
M L
apat
inib
Before compound addition t=15min. t=24h.
Not shown: Staurosporine (cells irreversibly stopped beating directly after compound addition)
Nilotinib shows arrhyhtmic like-events in
electrophysiology of hiPSC-cardiomyocytes
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Pluriomics
Nilotinib at different time points
Before compound addition t=15min. t=20min.
t = 16h. t=24h. t=48h.
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Pluriomics
3. Other parameters: ATP assays to study
effects of tyrosine kinase inhibitors
0100200300400500
Lum
ine
sce
nce
x 1
00
00
0
ATP assay performed after 24 h. of drug incubation
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Summary
• Pluricyte® Cardiomyocytes combined with the Hamamatsu Photonics
FDSS/µCell system provide a very useful assay platform for screening of
cardioactive effects at an early stage in drug development.
• Combination of high-throughput dye-based assays with medium
throughput MEA based assays to further assess cardioactive effects
provides a complete overview of cardioactive effects of (candidate) drugs
on hiPSC-derived cardiomyocytes and will help to predict potential
cardiotoxicities.
• Further development of high-throughput multiparametric assays to study
safety (and efficacy) of cardioactive compounds will contribute to:
• More efficient, and therefore cost- and time-effective, decision making early in
drug discovery & development
• Reduction of animal experiments
Assaytechnologies
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Acknowledgements
CONTACT:
www.pluriomics.com
Hamamatsu Photonics
Jean Marc D’Angelo
Emmanuel Pirson
Thomas Niedereichholz
Pluriomics BV
Peter Nacken
Fleur Stevenhagen
Tessa de Korte
Sabine den Hartogh
Arie Reijerkerk
Stefan Braam