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Titolo:
Combined effects of the orally active cisplatin analog, JM216, and radiation in antitumor therapy
Autore:
Amorino, GP; Mohr, PJ; Hercules, SK; Pyo, H; Choy, H;
Indirizzi:
Vanderbilt Univ, Med Ctr, Dept Radiat Oncol, Nashville, TN 37232 USA Vanderbilt Univ Nashville TN USA 37232 iat Oncol, Nashville, TN 37232 USA
Titolo Testata:
CANCER CHEMOTHERAPY AND PHARMACOLOGY
fascicolo: 5, volume: 46, anno: 2000,
pagine: 423 - 426
SICI:
0344-5704(200011)46:5<423:CEOTOA>2.0.ZU;2-C
Fonte:
ISI
Lingua:
ENG
Soggetto:
PLATINUM(IV); INVITRO; INVIVO; TUMORS; CELLS; DRUG;
Keywords:
radiation; cisplatin; JM216; lung cancer; radiotherapy;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Clinical Medicine
Life Sciences
Citazioni:
15
Recensione:
Indirizzi per estratti:
Indirizzo: Choy, H Vanderbilt Univ, Med Ctr, Dept Radiat Oncol, Nashville, TN 37232 USA Vanderbilt Univ Nashville TN USA 37232 l, Nashville, TN 37232 USA
Citazione:
G.P. Amorino et al., "Combined effects of the orally active cisplatin analog, JM216, and radiation in antitumor therapy", CANC CHEMOT, 46(5), 2000, pp. 423-426

Abstract

Purpose: We evaluated the orally administered platinum agent, JM216, in combination with ionizing radiation both in vivo and in vitro against human tumor cells. Methods: H460 human lung carcinoma cells were used as a subcutaneous xenograft in nude mice. JM216 (30 mg/kg) was administered orally, andradiation treatments (2 Gy) were given 1 h after JM216 delivery for five consecutive days. For in vitro analysis, attached H460 cells were treated with JM216 (15 muM) for 1 h and then irradiated. Cells were rinsed 20 min later, and survival was determined by clonogenic assay. Results: Tumor growth delay measurements showed that the combination of JM216 and radiation was additive in vivo, with an enhancement ratio of 1.24. Tn vitro clonogenic survival experiments demonstrated a dose enhancement ratio of 1.23. Isobologram analysis showed that this interaction was also additive. Conclusions: These data demonstrate that the combination of JM216 and fractionated radiotherapy is more effective against human lung cancer xenografts than either agent alone, and the in vivo results were supported by those observed using anin vitro system with the same tumor cell line.

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Documento generato il 25/09/20 alle ore 13:37:47