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Synthesis and characterization of poly(HPMA)-APMA-DTPA-99mTc for imaging-guided drug delivery in hepatocellular carcinoma
Journal of applied polymer science, 2013-03, Vol.127 (6), p.4549-4556
Yuan, Jianchao
Miao, Chengping
Peng, Fangyu
Zeng, Xianwu
Guo, Hongyun
Wang, Xiaoqi
Liao, Shiqi
Xie, Xiaoli
2013
Volltextzugriff (PDF)
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Autor(en) / Beteiligte
Yuan, Jianchao
Miao, Chengping
Peng, Fangyu
Zeng, Xianwu
Guo, Hongyun
Wang, Xiaoqi
Liao, Shiqi
Xie, Xiaoli
Titel
Synthesis and characterization of poly(HPMA)-APMA-DTPA-99mTc for imaging-guided drug delivery in hepatocellular carcinoma
Ist Teil von
Journal of applied polymer science, 2013-03, Vol.127 (6), p.4549-4556
Ort / Verlag
Hoboken: Wiley Subscription Services, Inc., A Wiley Company
Erscheinungsjahr
2013
Quelle
Wiley Online Library All Journals
Beschreibungen/Notizen
To develop a theranostic agent for diagnostic imaging and treatment of hepatocellular carcinoma (HCC), poly(HPMA)‐APMA‐DTPA‐99mTc (HPMA: N‐(2‐hydroxypropyl methacrylamide; APMA: N‐(3‐aminopropyl)methacrylamide; DTPA: diethylenetriaminepentaacetic acid) and DTPA‐99mTc were synthesized and characterized, and their HCC targeting was tested by in vitro cellular uptake and in vivo tumor imaging in this study. Radioactivity of HCC cells incubated with poly(HPMA)‐APMA‐DTPA‐99mTc was significant higher (16.40%) than that of the cells incubated with DTPA‐99mTc (2.98%). Scintigraphic images of HCC in mice obtained at 8 h after injection of poly(HPMA)‐APMA‐DTPA‐99mTc showed increased radioactivity compared with that in mice injected with DTPA‐99mTc. The results of postmortem tissue radioactivity assay demonstrated higher radioactivity of HCC tumor tissues (2.69 ± 0.15% ID/g) from the tumor‐bearing mice injected with poly(HPMA)‐APMA‐DTPA‐99mTc compared with that of HCC tumor tissues in the tumor‐bearing mice injected with DTPA‐99mTc (0.83 ± 0.03 %ID/g), (P <0.001). These results first directly confirm the significant passive hepatocellular tumor targeting of HPMA copolymer. © 2012 Wiley Periodicals, Inc. J. Appl. Polym. Sci., 2013
Sprache
Englisch
Identifikatoren
ISSN: 0021-8995
eISSN: 1097-4628
DOI: 10.1002/app.38065
Titel-ID: cdi_proquest_journals_1242836697
Format
–
Schlagworte
Applied sciences
,
Biological and medical sciences
,
Contrast media. Radiopharmaceuticals
,
drug delivery
,
Exact sciences and technology
,
hepatocellular carcinoma
,
HPMA copolymers
,
Inorganic and organomineral polymers
,
Materials science
,
Medical sciences
,
passive targeting
,
Pharmacology. Drug treatments
,
Physicochemistry of polymers
,
Polymers
,
Preparation
,
radiotracer
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