Anti-tumorigenesis of hollow calcium-phosphate microsphere loaded with anti-angiogenic agent

M. Aizawa, T. Ohno, N. Kanomata, K. Yano, M. Emoto

研究成果: Article査読

4 被引用数 (Scopus)

抄録

We have successfully synthesized hollow biphasic calcium-phosphate microspheres consisting of the β-tricalcium phosphate (β-Ca 3(PO4)2; β-TCP) and calcium-deficient hydroxyapatite (DAp) using an ultrasonic spray-pyrolysis technique. The resulting hollow biphasic microspheres have been applied as a carrier of a drug delivery system (DDS) for medical treatment of cancers. An anti-angiogenic agent, TNP-470 (Takeda), was used as one of drug models. We have performed biological evaluations in vitro and in vivo using the biodegradable calcium-phosphate microsphere loaded with TNP-470. The results of in vitro and in vivo testing indicate that the microspheres loaded with TNP-470 inhibit i) the proliferation of FU-MMT-3 cells as a tumor model and ii) the enlargement of tumor sizes as a model of nude mice injected with FU-MMT-3 cells. The biological evaluations demonstrate that the present microspheres loaded with TNP-470 have an excellent anti-tumorigenesis effect.

本文言語English
ページ(範囲)1215-1218
ページ数4
ジャーナルKey Engineering Materials
361-363 II
出版ステータスPublished - 2008 1 1

ASJC Scopus subject areas

  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering

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