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Quantification of lymphocyte
dynamics by in vivo labelling
Dr. José Borghans and Dr. Kiki Tesselaar
Marie Curie ITN: QuanTI
Mid-term review meeting – DKFZ, Heidelberg
Mariona Baliu Piqué
About me
University of Barcelona:
BSc. Molecular
Biotechnology
MSc. Translational
Medicine
About me
UMC Utrecht:
Nov. 2014
PhD Marie Curie ITN
Quantify dynamics of different lymphocyte subsets
mice men
Healthy aging Immune
reconstitution
1. Explain differences in the labels used to quantify lymphocyte dynamics
2.
Objectives
• Build in the DNA of cells
• Non-radioactive, non-toxic: Suitable for human (clinical) investigation
• Mathematical model needed
P P
N
Hydrogen Deuterium
Methods
Stable isotope labeling: Deuterium
Lymphocyte maintenance during healthy aging requires no substantial alterations in cellular turnover
Liset Westera, Vera van Hoeven, Julia Drylewicz, Gerrit Spierenburg, Jeroen F van Velzen, Rob J de Boer, Kiki Tesselaar, José AM Borghans
Healthy aging Different labels Immune reconstitution
Results
Young individuals
Elderly individuals
No substantial alterations in lymphocyte turnover
during healthy aging
Healthy aging Different labels Immune reconstitution
Estimated turnover rate
Results
Signs of homeostatic compensation in lymphopenic
situations in humans
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D2O
d2-glu normalized to thymocytes
PBMC Splenocytes
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0.20 d2-glu normalized 0.65 x plasma AUC
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d2-glu normalized to thymocytes
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0.20 d2-glu normalized 0.65 x plasma AUC
D2O
d2-glu normalized to thymocytes
PBMC Splenocytes
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Healthy aging Different labels Immune reconstitution
Results
Reconciling estimates of cell proliferation from stable isotope labeling experiments Raya Ahmed1*, Liset Westera2*, Julia Drylewicz2,3, Marjet Elemans4, Yan Zhang1, Elizabeth Kelly1, Kiki Tesselaar2, Rob J de Boer3, Derek C
Macallan1‡, José AM Borghans2‡ and Becca Asquith4‡
Normalization of the D-glucose to fast cells (thymocytes)
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d2-glu normalized to thymocytes
PBMC Splenocytes
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Training events
• Attendance to the "5th International Workshop on CMV
and Immunosenescence“, Amsterdam, The Netherlands,
Nov 2014.
• Attendance to the Annual Meeting of the Dutch Society for
Immunology (NVVI), Amsterdam, The Netherlands, Dec
2014.
• Course on Advanced Immunology at the University Medical
Centre of Utrecht (UMCU), Jan 2015.
Healthy aging Different labels Immune reconstitution
• Dynamics of different cell
populations
• Dynamics of different cell populations
• Increase number of patients
• Studies in mice
Future
• Compare estimates
based on different labels
and see if they provide
additional information?
• Course on Laboratory Animal Science at the Utrecht University,
Feb 2015.
• QUANTI WP1 partners meetings.
• Secondments:
• Experimental: Paris (QuanTI).
• Mathematical modelling: London (WP1).
• Outreach activities and dissemination of my research.
Obtain a broader view about immunology and get training
on mathematical modelling
Acknowledgements
This research was funded by the European Union
WP1:
Busch et al., Nature Protocols 2007
Deuterium (2H) labeling
Label uptake
Label loss
Cell death
Cell
differentiation or
migration
X
% la
bele
d
time
p/d*
d*
% la
bele
d
time
p/d*
d*
P P
N
Hydrogen Deuterium
In vivo deuterium labeling in humans
Blood/urine withdrawals
during and after label
administration
GC-MS
Mathematical modeling
2. Sampling
1. Labeling
3. Analysis
4. Interpretation
M0
M1
2H2O D2-glucose
Stem Cell Transplantation
Heavy water labeling
~1 year
after STC
Adapted from Westera et al. Methods Mol Biol 2013
Healthy aging
QuanTI in Healthy aging and autologus SCT
Study protocol
Up-labeling phase
Post-labeling phase
Healthy aging
Patient Age Age group Cell subsets Gender
A 24 Young (Vrisekoop et al., 2008) T cells M
B 22 Young (Vrisekoop et al., 2008) T cells M
C 25 Young (Vrisekoop et al., 2008) T cells M
D 20 Young (Vrisekoop et al., 2008) T cells M
E 22 Young (Vrisekoop et al., 2008) T cells M
Y01 24 Young B cells, γδ T cells F
Y02 23 Young B cells, γδ T cells F
Y03 21 Young B cells, γδ T cells M
Y04 20 Young B cells, γδ T cells M
Y05 21 Young B cells, γδ T cells M
A01 66 Aged T cells M
A02 72 Aged T cells M
A04 68 Aged T cells M
A07 68 Aged T cells M
A09 69 Aged T cells M
A03 67 Aged B cells, γδ T cells F
A05 66 Aged B cells, γδ T cells M
A06 75 Aged B cells, γδ T cells F
A10 69 Aged B cells, γδ T cells F
A11 67 Aged B cells, γδ T cells F
Patient Age Malignancy Reconstitution period at
time of enrollment (days) Induction therapy
Conditioning
Regimen
L01 61 NHL 287 R-CHOP, Ara-C BEAM
L02 54 MM 420
Thalidomide,
Dexamethasone,
Carfilzomib
Melphalan
L03 57 MM 358
Thalidomide,
Dexamethasone,
Adriamycin
Melphalan
NHL: Mantle Cell Lymphoma
MM: Multiple Myeloma
R-CHOP = Rituximab, Cyclophosphamide, Adriamycin, Vincristin, Prednisone
BEAM = Carmustine, Etoposide, Ara-C (cytarabin), Melphalan
Autologus Stem Cell Transplantation
Immune reconstitution after HSCT
Naive and memory CD4+ T cells recovery typically takes at least 2-3 years
Molldrem; Nat Med. 2005 Nov;11(11):1162-3
Reconciling estimates of cell proliferation from stable isotope labeling experiments
Raya Ahmed1*, Liset Westera2*, Julia Drylewicz2,3, Marjet Elemans4, Yan Zhang1, Elizabeth Kelly1, Kiki Tesselaar2, Rob J de Boer3, Derek C
Macallan1‡, José AM Borghans2‡ and Becca Asquith4‡
Problem
• D-glucose and D2O labeling
experiments performed in different
laboratories give different results
Why?
• Biochemical differences?
• Protocol differences?
• ….
In vivo and in vitro, no
fundamental differences
between D-glucose and D2O
labeling
D-glucose and D2O direct comparison in mice
Differences between D2O and D-glucose
Reconciling estimates of cell proliferation from stable isotope labeling experiments
Raya Ahmed1*, Liset Westera2*, Julia Drylewicz2,3, Marjet Elemans4, Yan Zhang1, Elizabeth Kelly1, Kiki Tesselaar2, Rob J de Boer3, Derek C
Macallan1‡, José AM Borghans2‡ and Becca Asquith4‡
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0.05
0.10
0.15
0.20 d2-glu normalized 0.65 x plasma AUC
D2O
d2-glu normalized to thymocytes
PBMC Splenocytes
pro
life
rati
on
rate
p (
day
-1)
0.00
0.05
0.10
0.15
0.20 d2-glu normalized 0.65 x plasma AUC
D2O
d2-glu normalized to thymocytes
PBMC Splenocytes
pro
life
rati
on
rate
p (
day
-1)
D-glucose Plasma glucose x 0.65
Normalization Result
D2O Plasma D2O Fast cells
Mathematical modeling
Normalization of the D-glucose to fast cells (thymocytes)
Differences between D2O and D-glucose
Healthy aging and STC
2. TCM
2. TTM
2. TEM
2. TTD
1. Antigen specific
memory T cells
3. T regs
CD4+ memory
CD8+ memory
CD
4
CD
45R
O
CD
45R
O
SSC
A
CD8 CD3
CD27
CD27
Dynamics of different cell populations