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NIRF
Weissleder et al., Nature Cancer Rev 2002 2(1):11-8
Wavelength [nm]
Abs
orpt
ion
coef
ficie
nt (
cm-1)
Proteasen sensitive KM
Weissleder et al., Nature Biotech; 1999;17:375-378
a
CY
PL
MPEG COATING
Enzym
Kein Signal Signal
MMP-Probe
Bremer et al. Nat Med (2001) 7 (6) 743-8
Enyzmatische Aktivierung
0
250
500
0 300 600 900 15001200
Zeit [min]
MMP-2 Probe
Kontroll-Probe
Flu
ore
szen
s [A
U]
ZellexperimenteGenexpression: rt-PCR
BT20 HT1080 MW-Standard
- +
Bremer et al. Radiology 221 (2), 523-9 (2001)
In-vivo Experimente
MMP-2 + MMP-2 -Lichtbild
NIRF-Bild
MMP-2 + MMP-2 -
Bremer et al. Radiology 221 (2), 523-9 (2001)
Inhibition der Probenaktivierung
AG3340
0
50
100
150p
rob
e ac
t. [
%]
AG3340 [M]
Flu
ore
szen
san
stie
g [
%]
10-12 10-10 10-8 10-6 10-4
Bremer et al. Nat Med (2001) 7 (6) 743-8
MMP-Hemmung
Kontrolle AG3340
Bremer et al. Nat Med (2001) 7 (6) 743-8
Fluorescence mediated Tomography
Ntziachristos et al; Nat Med 2002