Used to Image Dying Cell Clearance An In Cellulo-Activated ...Potin er Mrker BaS A Etrasees 0 2 4 0...
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Supporting Information
An In Cellulo-Activated Multicolor Cell Labeling Approach Used to Image Dying Cell Clearance
Yilong Shi,a Rui Zhu,a Zhongwei Xue,a Jiahuai Han,b and Shoufa Hana,*
aState Key Laboratory for Physical Chemistry of Solid Surfaces, Department of Chemical Biology, College of Chemistry and Chemical Engineering, the Key Laboratory for Chemical Biology of Fujian Province, The MOE Key Laboratory of Spectrochemical Analysis & Instrumentation, and Innovation Center for Cell Signalling Network, Xiamen University;
bState key Laboratory of Cellular Stress Biology, Innovation Center for Cell Signalling Network, School of Life Sciences, Xiamen University, Xiamen, 361005, China; Tel: 86-0592-2181728; E-mail: [email protected].
Content
Scheme S1. Synthesis and chemical deacetylation of compound 1……………..…………….……S3
Fig. S1 1H-NMR of compound 2…..……………..…………….…..……………..……….……..…S3
Fig. S2 13C-NMR of compound 2…..……………..…………….…..……………..……………..…S4
Fig. S3 1H-NMR of compound 3…..……………..…………….…..……………..………….…..…S4
Fig. S4 13C-NMR of compound 3…..……………..…………….…..……………..……………..…S5
Fig. S5 HRMS of compound 2 and compound 3………..………………………………….………S5
Scheme S2. Synthetic routes for DHA-Red and AP-Red. ………..………………………..………S6
Scheme S3. Synthetic routes for DHA-Blue and DHA-Green. . ………..……………..…..………S6
Fig. S6 Esterase-triggered protein labeling with DHA-Red. ………..……………………..………S6
Fig. S7 Incapability of AP-Red to label cellular proteins. ………..………………………..………S7
S1
Electronic Supplementary Material (ESI) for Analyst.This journal is © The Royal Society of Chemistry 2019
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Fig. S8 Dose- and Incubation time-dependent cell labelling with DHA-Red. ………..……………S7
Fig. S9 Covalent cell labelling with DHA-Green. ………..…………………………………..……S8
Fig. S10 Covalent cell labelling with DHA-Blue. . ………..………………………………….……S8
Fig. S11 cytotoxicity of Dye-DHA diads. ………..…………………………………………….……S9
Fig. S12 Comparison of DHA-Dye diads to Cell-tracker CFSE. . ………..…………………..……S10
Fig. S13 Fluorescence retention of DHA-medaited labeling in HeLa cells undergoing cell death….S11
Fig. S14 1H-NMR of compound 1. ………..………………………………………………..….……S12
Fig. S15 13C-NMR of compound 1 ………..………………………………………………..….……S12
Fig. S16 1H-NMR of DHA-Red………..………………………………………….…………………S13
Fig. S17 13C-NMR of DHA-Red………..……………………………………………….….….……S13
Fig. S18 HRMS of DHA-Red………..………………………………………….……………..……S14
Fig. S19 1H-NMR of AP-Red………..………………………………………….….……………..…S14
Fig. S20 13C-NMR of AP-Red………..………………………………………….…………….……S15
Fig. S21 HRMS of AP-Red………..………………………………………….….……………….…S15
Fig. S22 1H-NMR of DHA-Blue………..…………………………………………………….….……S16
Fig. S23 13C-NMR of DHA-Blue………..…………………………………………………...….……S16
Fig. S24 HRMS of DHA-Blue………..………………………………………….……………….……S17
Fig. S25 1H-NMR of DHA-Green………..…………………………………………………..….……S17
Fig. S26 13C-NMR of DHA-Green………..………………………………………….………….……S18
Fig. S27 HRMS of DHA-Green………..………………………………………….………….….……S28
S2
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HOO
NH
N3OCH3
CH3ONa
HO
OH
O
NH
N3
2 3
1
AcO
OAc
O
NH
N3
HO
OH
O
OH
acetyl chloride AcO
OAc
O
OH
H2N N3
EDC/TEA
+
1
reaction solution
DHA
Scheme S1. Synthesis and chemical deacetylation of compound 1.
Fig. S1 1H-NMR of compound 2
S3
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Fig. S2 13C-NMR of compound 2
Fig. S3 1H-NMR of compound 3
S4
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Fig. S4 13C-NMR of compound 3
287.11115 273.09536
Fig. S5 HRMS of compound 2 and compound 3
S5
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EDC/TEA
HNN O
CO2H
N
DHA-Red
DHA
AcO
OAc
O
NN O
CO2H
N
AcOO
OH
AP-Red
AcOO
NN O
CO2H
N
A B
Scheme S2. Synthetic routes for DHA-Red and AP-Red (A). Fluorescence properties of DHA-Red (4 μM) in PBS (pH 7.2) (B)
AcO
OAc
O
NN
O
O NO
DHA-Blue
HNN
O
O NO
EDC/TEA
DHA
AcO
OAc
O
NH
NH N
H
SO
OAc
OAcO
ODHA-Green
1
AcO
OAc
O
NH
N31) Pd/C/H22) FITC/TEA;3) Acetic anhydride/TEA
Scheme S3. Synthetic routes for DHA-Blue and DHA-Green.
A B
Protein Marker BSA Esterase
0 2 4 0 2 4 0 2 4 0 2 4
Protein Marker BSA Esterase
DHA-Red (µ M)
Fig. S6 Esterase-triggered protein labeling with DHA-Red. Esterase or BSA (1.5 μg) were treated DHA-Red for 1 h and then subjected to SDS-PAGE. The gel was analyzed for fluorescence emission using λex = 520 nm (A) or stained with Coomassie Brilliant Blue (B).
S6
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DHA-Red AP-Red DHA-Red AP-Red A B
Fig. S7 Incapability of AP-Red to label cellular proteins
DHA-Red Merge LysoTracker-Blue
10 min
30 min
60 min
120 min
DHA-Red Merge Bright View
1 µM
2 µM
4 µM
8 µM
A B
Fig. S8 Dose- and Incubation time-dependent cell labelling with DHA-Red. (A) HeLa cells were co-stained with LysoTracker Blue (1 μM) and DHA-Green (2 μM) for 10, 30, 60, 120 min in DMEM and then imaged by confocal microscopy for intracellular fluorescence. (B) HeLa cells labeled with DHA-Green (1, 2, 4, 8 μM) for 60 min and then imaged by confocal microscopy for intracellular fluorescence. Scale bar: 10 μm.
S7
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Green signal Bright view LysoTracker-Red Merge +
DH
A-G
reen
+
DH
A-G
reen
+
FIxa
tion
Green signal Merge Bright view
2 µM
4 µM
8 µM
A B
Fig. S9 Covalent cell labelling with DHA-Green. (A) HeLa cells were co-stained with LysoTracker Red (1 μM) and DHA-Green (4 μM) for 1 h. Cells were fixed with 4% Paraformaldehyde Fix Solution, washed and then imaged for intracellular fluorescence. (B) HeLa cells labeled with DHA-Green (2, 4, 8 μM) for 1 h and then fixed before confocal microscopy analysis. Scale bar: 10 μm.
Coumarin signal Bright view LysoTracker-Red Merge
Coumarin signal Merge Bright view
2 µM
4 µM
8 µM
A B
+ D
HA
-Blu
e +
DH
A-B
lue
+ Fi
xatio
n
Fig. S10 Covalent cell labelling with DHA-Blue. (A) HeLa cells were co-stained with LysoTracker Red (1 μM) and DHA-Blue (4 μM) for 1 h. The cells were fixed with 4% paraformaldehyde Fix Solution, washed and then imaged for intracellular fluorescence. (B) HeLa cells labeled with DHA-Blue (2, 4, 8 μM) for 1 h and then fixed before confocal microscopy analysis. Scale bar: 10 μm
S8
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Fig. S11 cytotoxicity of Dye-DHA diads.
S9
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0 h 2 4 h 4 8 h0
2 0 0 0 0
4 0 0 0 0
6 0 0 0 0
A c -R B
t im e
Av
g S
ign
al
0 h 2 4 h 4 8 h0
1 0 0 0
2 0 0 0
3 0 0 0
4 0 0 0
C F S E
t im e
Av
g S
ign
al
DHA-Red Commercial CFSE
0 h 2 4 h 4 8 h0
1 0 0 0
2 0 0 0
3 0 0 0
4 0 0 0
A c -C M
t im e
Av
g S
ign
al
0 h 2 4 h 4 8 h0
1 0 0 0 0
2 0 0 0 0
3 0 0 0 0
A c -F IT C
t im e
Av
g S
ign
al
DHA-Green DHA-Blue
0 h 24 h 48 h
0 h 24 h 48 h 0 h 24 h 48 h
Com
mer
cial
CFS
E B
right
vie
w
Mer
ge
0 h 24 h 48 h
DH
A-G
reen
B
right
vie
w
Mer
ge
DH
A-R
ed
Brig
ht v
iew
Mer
ge
DH
A-B
lue
Brig
ht v
iew
Mer
ge
CFSE DHA-Red
DHA-Green DHA-Blue
A B
O
AcO
OAcO
OCFSE
Esterase
HN
O
HO
O
CO2H
Cell labeling
ON
O
O
O
O
Protein
C
Fig. S12 Comparison of DHA-Dye diads to Cell-tracker CFSE. HeLa cells were stained with CFSE (4 μM), DHA-Blue (4 μM), DHA-Green (4 μM), or DHA-Red (4 μM) for 60 min, respectively. The cells were further maintained in fresh DMEM for 0, 24, 48 h. A portion of the cells were harvested at indicated time points, rinsed with DMEM, and then analyzed by confocal microscopy (A) or flow cytometry (B) for intracellular fluorescence. (B) Chemistry of DHA-Green deacetylation in live cells. Scale bar: 10 μm.
S10
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4 h 2 h 0 h 12 h
DH
A-R
ed
Brig
ht v
iew
Mer
ged
4 h 2 h 0 h 12 h
DH
A-R
ed
Brig
ht v
iew
Mer
ged
Apoptosis Necrosis
4 h 2 h 0 h 12 h 4 h 2 h 0 h 12 h
DH
A-B
lue
Brig
ht v
iew
Mer
ged
DH
A-B
lue
Brig
ht v
iew
Mer
ged
Apoptosis Necrosis
4 h 2 h 0 h 12 h 4 h 2 h 0 h 12 h
DH
A-G
reen
B
right
vie
w
Mer
ged
DH
A-G
reen
B
right
vie
w
Mer
ged
Apoptosis Necrosis
A B C
Fig. S13 Fluorescence retention of DHA-medaited labeling in HeLa cells undergoing cell death. RIP3+ HeLa cells were stained with DHA-Blue (4 μM), DHA-Red (4 μM), or DHA-Green (4 μM) for 1 h, and then rinsced with PBS, and then treated with Smac/TNF to triggered apoptosis or with Smac/TNF/Z-VAD to trigger necrosis. The dying cells were maintained in fresh medium and then monitored by confocal fluorescence microscopy for intracellualr fluorescence over time. Scale bars: 20 μm.
S11
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Fig. S14 1H-NMR of compound 1
Fig. S15 13C-NMR of compound 1
S12
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Fig. S16 1H-NMR of DHA-Red
Fig. S17 13C-NMR of DHA-Red
S13
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DHA-Red
Fig. S18 HRMS of DHA-Red
Fig. S19 1H-NMR of AP-Red
S14
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Fig. S20 13C-NMR of AP-Red
AP-Red
Fig. S21 HRMS of AP-Red
S15
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Fig. S22 1H-NMR of DHA-Blue
Fig. S23 13C-NMR of DHA-Blue
S16
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DHA-Blue
Fig. S24 HRMS of DHA-Blue
Fig. S25 1H-NMR of DHA-Green
S17
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Fig. S26 13C-NMR of DHA-Green
Fig. S27 HRMS of DHA-Green
S18