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Tytuł oryginału: Preliminary radiochemical and biological studies on the liposome encapsulated platinum-[125I]iodohistamine complex.
Autorzy: Garnuszek Piotr, Licińska Iwona
Źródło: Nucl. Med. Rev. 2002: 5 (2) s.145-149, il., bibliogr. 18 poz.
Sygnatura GBL: 313,603

Hasła klasyfikacyjne GBL:
  • farmacja
  • ginekologia i położnictwo
  • onkologia

    Typ dokumentu:
  • praca doświadczalna
  • tytuł obcojęzyczny

    Wskaźnik treści:
  • zwierzęta
  • myszy
  • płeć żeńska

    Streszczenie angielskie: Background: The platinum-iodohistamine complex with in vitro cytostatic activity toward colon and mammary cancer cells has been synthesised recently in our laboratory. The pharmacokinetics of radioactive complex analogues, labelled with I-131 and I-125, has been examined in murine model of spontaneous mammary adenocarcinoma. The present work is devoted to the examination of the potential use of liposomes as a carrier system for the radioactive platinum-[I]iodohistamine complex in vivo. Material and methods: Encapsulations of the Pt-[125I]iodohistamine were studied using a different molar ratio of the com[lex and liposome with positive surface charge, as well as various incubation procedures. Biodistribution of the initial and the liposomal from of the complex were studied in C3H tumour-bearing mice with spontaneously developed and transplantable (16C) mammary adenocarcinoma. results: Comparative biodistribution studies in C3H/16C mice and in mice with spontaneously developed mammary tumour have shown that in the former model pharmacokinetics of the Pt-[125I]iodohistamine complex is more predictable and more similar to that observed for cisplatin. Therefore, the transplantable tumour model is more advantageous for the complex and its liposomal from evaluation. In C3H/16C mice, signifiant differences in the biodistribution between the raadioactive platinum complex and its liposomal form were observed. The concentration of the activity in blood after 2 h p.i.v. was two times lower for the encapsulated ...

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