Preliminary study on graft versus leukemia effect of camouflage of mice bone marrow transplantation with methoxy polyethylene glycol modification

OBJECTIVE: To study if methoxy polyethylene glycol modification (mPEG) affects grafts versus leukemia (GVL) when donor bone marrow mononuclear cells are camouflaged with mPEG in murine bone marrow transplantation (BMT)

Bibliographische Detailangaben
Veröffentlicht in:Zhonghua er ke za zhi = Chinese journal of pediatrics. - 1960. - 43(2005), 5 vom: 30. Mai, Seite 377-80
1. Verfasser: Long, Hui (VerfasserIn)
Weitere Verfasser: Tang, Suo-qin, Zhang, Xiao-fei
Format: Aufsatz
Sprache:Chinese
Veröffentlicht: 2005
Zugriff auf das übergeordnete Werk:Zhonghua er ke za zhi = Chinese journal of pediatrics
Schlagworte:Journal Article Polyethylene Glycols 3WJQ0SDW1A monomethoxypolyethylene glycol 9004-74-4
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245 1 0 |a Preliminary study on graft versus leukemia effect of camouflage of mice bone marrow transplantation with methoxy polyethylene glycol modification 
264 1 |c 2005 
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500 |a Citation Status MEDLINE 
520 |a OBJECTIVE: To study if methoxy polyethylene glycol modification (mPEG) affects grafts versus leukemia (GVL) when donor bone marrow mononuclear cells are camouflaged with mPEG in murine bone marrow transplantation (BMT) 
520 |a METHODS: Sixty (BALB/c(H-2d) x 615(H-2k))F(1) mice were divided into four groups randomly. Mice in group A were only irradiated with 8.0 Gy (60)Cogamma, and mice in the other groups were inoculated intraperitoneally with 1 x 10(6) L615 cells 3 days before irradiation with the same dose (60)Cogamma. BALB/c(H-2d) mice were sacrificed and bone marrow cells and spleen cells were collected. The bone marrow cells (1 x 10(7)) were mixed with the spleen cells (1 x 10(7)), which were camouflaged or not camouflaged with mPEG, were transplanted into irradiated leukemia mice in C and D groups. GVL effects were assessed by L615 cells proportion in peripheral blood, histopathological changes and survival time 
520 |a RESULTS: Severe GVHD was observed in group C (without mPEG modification), and the mice rapidly died, the mean survival time was 6.9 days. The mice in irradiated group (group B) with leukemia cell died of leukemia. The average survival time of group D (with mPEG modification) was 24.2 days, which was longer than that of the other groups (P < 0.05), and the survival rate of group D (27%) was significantly higher than that of the others (P < 0.05), 11 mice (11/15) died of leukemia and the others were still alive 
520 |a CONCLUSION: The camouflage with mPEG modification is capable of preserving GVL effect and preventing GVHD in mice BMT 
650 4 |a Journal Article 
650 7 |a Polyethylene Glycols  |2 NLM 
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650 7 |a monomethoxypolyethylene glycol  |2 NLM 
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700 1 |a Tang, Suo-qin  |e verfasserin  |4 aut 
700 1 |a Zhang, Xiao-fei  |e verfasserin  |4 aut 
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