Host F1 mice pretreated with granulocyte colony-stimulating factor accept parental bone marrow grafts in hybrid resistance system

Koho Iizuka, Hideo Kaneko, Taketo Yamada, Hiromitsu Kimura, Yasuo Kokai, Junichiro Fujimoto

Research output: Contribution to journalArticle

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Abstract

In the setting of hybrid resistance, parental C57BL/6 bone marrow (BM) grafts are vigorously rejected by lethally irradiated (C57BL/6xDBA/2) F1 mice. However, F1 mice pretreated by continuous administration of granulocyte colony-stimulating factor (G-CSF) with a miniosmotic pump before BM grafting developed day-8 splenic colonies of donor origin. This inhibitory effect on rejection was reversible because F1 mice regained the capacity to reject parental BM when the pump ceased functioning. The appearance of only a small number of colonies with the administration of G-CSF soon after BM grafting suggested the importance in producing this inhibitory effect of pre-exposure of host mice to G-CSF. Because G-CSF administration with a syngeneic combination did not influence the number of colonies, an altered distribution of grafted precursors was unlikely. The absence of a reduction in the number of NK1.1-positive cells in G-CSF-treated mice suggested functional impairment of natural killer cells, major effectors in hybrid resistance, but further study is necessary to elucidate the mechanism underlying this phenomenon. However, our results indicate the importance of G-CSF as a regulator in a certain type of immune response and raise the possibility of clinical application in transplantation medicine.

Original languageEnglish
Pages (from-to)1446-1451
Number of pages6
JournalBlood
Volume89
Issue number4
Publication statusPublished - 1997 Feb 15

Fingerprint

Granulocyte Colony-Stimulating Factor
Grafts
Bone
Bone Marrow
Transplants
Bone Marrow Transplantation
Pumps
Transplantation (surgical)
Natural Killer Cells
Medicine
Transplantation
Cells

ASJC Scopus subject areas

  • Hematology

Cite this

Iizuka, K., Kaneko, H., Yamada, T., Kimura, H., Kokai, Y., & Fujimoto, J. (1997). Host F1 mice pretreated with granulocyte colony-stimulating factor accept parental bone marrow grafts in hybrid resistance system. Blood, 89(4), 1446-1451.

Host F1 mice pretreated with granulocyte colony-stimulating factor accept parental bone marrow grafts in hybrid resistance system. / Iizuka, Koho; Kaneko, Hideo; Yamada, Taketo; Kimura, Hiromitsu; Kokai, Yasuo; Fujimoto, Junichiro.

In: Blood, Vol. 89, No. 4, 15.02.1997, p. 1446-1451.

Research output: Contribution to journalArticle

Iizuka, K, Kaneko, H, Yamada, T, Kimura, H, Kokai, Y & Fujimoto, J 1997, 'Host F1 mice pretreated with granulocyte colony-stimulating factor accept parental bone marrow grafts in hybrid resistance system', Blood, vol. 89, no. 4, pp. 1446-1451.
Iizuka K, Kaneko H, Yamada T, Kimura H, Kokai Y, Fujimoto J. Host F1 mice pretreated with granulocyte colony-stimulating factor accept parental bone marrow grafts in hybrid resistance system. Blood. 1997 Feb 15;89(4):1446-1451.
Iizuka, Koho ; Kaneko, Hideo ; Yamada, Taketo ; Kimura, Hiromitsu ; Kokai, Yasuo ; Fujimoto, Junichiro. / Host F1 mice pretreated with granulocyte colony-stimulating factor accept parental bone marrow grafts in hybrid resistance system. In: Blood. 1997 ; Vol. 89, No. 4. pp. 1446-1451.
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