Modulation of accessory cell function of immortalized bone marrow-derived macrophages by granulocyte/macrophage colony-stimulating factor

1993 ◽  
Vol 182 (3) ◽  
Author(s):  
Reinhard Zecher ◽  
Christoph Scheicher ◽  
Stefan Wagener ◽  
AngelikaB. Reske-Kunz ◽  
Konrad Reske
Tumor Biology ◽  
2017 ◽  
Vol 39 (2) ◽  
pp. 101042831769223 ◽  
Author(s):  
Qiaowei Zheng ◽  
Xueqian Li ◽  
Xiaoliang Cheng ◽  
Ting Cui ◽  
Yingcheng Zhuo ◽  
...  

Granulocyte-macrophage colony-stimulating factor has been widely used as an adjuvant therapy for cancer patients exhibiting myelosuppression induced by chemotherapy or radiotherapy. However, the effects of granulocyte-macrophage colony-stimulating factor on tumor growth, as well as its precise mechanism, are still controversial due to inconsistent evidence. This study investigated the effect of exogenous granulocyte-macrophage colony-stimulating factor on the growth of B16 melanoma, S180 sarcoma, and U14 cervical carcinoma in mice. The angiogenesis and recruitment of bone-marrow-derived cells were analyzed in tumor tissues. Interactions among granulocyte-macrophage colony-stimulating factor, bone-marrow-derived cells, and B16 tumor cells were investigated in vitro. Proangiogenic types of bone-marrow-derived cells in blood were assessed both in vivo and in vitro. The results showed that granulocyte-macrophage colony-stimulating factor markedly facilitated the growth of B16 and S180 tumors, but not U14 tumors. Granulocyte-macrophage colony-stimulating factor increased the densities of blood vessels and the number of bone-marrow-derived cells in B16 tumor tissues. The granulocyte-macrophage colony-stimulating factor–induced enhancement of tumor cell proliferation was mediated by bone-marrow-derived cells in vitro. Meanwhile, a distinct synergistic effect on endothelial cell function between granulocyte-macrophage colony-stimulating factor and bone-marrow-derived cells was observed. After separating two types of bone-marrow-derived cells, granulocyte-macrophage colony-stimulating factor–induced enhancement of tumor growth and angiogenesis in vivo was mediated by proangiogenic cells in granulocytes, but not monocytes, with CD11b+, vascular endothelial growth factor receptor 2, and C-X-C chemokine receptor 4 granulocytes possibly involved. These data suggest that granulocyte-macrophage colony-stimulating factor contributes to the growth and angiogenesis of certain types of tumor, and these mechanisms are probably mediated by proangiogenic cells in granulocytes. Applying granulocyte-macrophage colony-stimulating factor may attenuate the antitumor effects of chemotherapy and radiotherapy in certain types of tumor.


Cytokine ◽  
2005 ◽  
Vol 31 (4) ◽  
pp. 288-297 ◽  
Author(s):  
Naoko Yamada ◽  
Tohru Tsujimura ◽  
Haruyasu Ueda ◽  
Shin-Ichi Hayashi ◽  
Hideki Ohyama ◽  
...  

2008 ◽  
Vol 295 (1) ◽  
pp. L114-L122 ◽  
Author(s):  
Megan N. Ballinger ◽  
Leah L. N. Hubbard ◽  
Tracy R. McMillan ◽  
Galen B. Toews ◽  
Marc Peters-Golden ◽  
...  

Impaired host defense post-bone marrow transplant (BMT) is related to overproduction of prostaglandin E2(PGE2) by alveolar macrophages (AMs). We show AMs post-BMT overproduce granulocyte-macrophage colony-stimulating factor (GM-CSF), whereas GM-CSF in lung homogenates is impaired both at baseline and in response to infection post-BMT. Homeostatic regulation of GM-CSF may occur by hematopoietic/structural cell cross talk. To determine whether AM overproduction of GM-CSF influenced immunosuppression post-BMT, we compared mice that received BMT from wild-type donors (control BMT) or mice that received BMT from GM-CSF−/− donors (GM-CSF−/− BMT) with untransplanted mice. GM-CSF−/− BMT mice were less susceptible to pneumonia with Pseudomonas aeruginosa compared with control BMT mice and showed antibacterial responses equal to or better than untransplanted mice. GM-CSF−/− BMT AMs displayed normal phagocytosis and a trend toward enhanced bacterial killing. Surprisingly, AMs from GM-CSF−/− BMT mice overproduced PGE2, but expression of the inhibitory EP2receptor was diminished. As a consequence of decreased EP2receptor expression, we found diminished accumulation of cAMP in response to PGE2stimulation in GM-CSF−/− BMT AMs compared with control BMT AMs. In addition, GM-CSF−/− BMT AMs retained cysteinyl leukotriene production and normal TNF-α response compared with AMs from control BMT mice. GM-CSF−/− BMT neutrophils also showed improved bacterial killing. Although genetic ablation of GM-CSF in hematopoietic cells post-BMT improved host defense, transplantation of wild-type bone marrow into GM-CSF−/− recipients demonstrated that parenchymal cell-derived GM-CSF is necessary for effective innate immune responses post-BMT. These results highlight the complex regulation of GM-CSF and innate immunity post-BMT.


Blood ◽  
1993 ◽  
Vol 81 (9) ◽  
pp. 2452-2459 ◽  
Author(s):  
J Rabinowitz ◽  
WP Petros ◽  
AR Stuart ◽  
WP Peters

Endogenous cytokines are thought to mediate numerous biologic processes and may account for some adverse effects experienced following the administration of recombinant proteins. This study describes the pattern of endogenous cytokine exposure following high-dose chemotherapy. Blood concentrations of interleukin-6 (IL-6), tumor necrosis factor-alpha (TNF-alpha), macrophage colony-stimulating factor (M-CSF), and erythropoietin (EPO) were measured by enzyme-linked immunosorbent assay (ELISA) methods in 68 patients receiving the same ablative chemotherapy regimen (cyclophosphamide, cisplatin, carmustine). Patients were grouped according to cellular support (autologous bone marrow [BM] CSF-primed peripheral blood progenitor cells [PBPCs]) and prescribed growth factor (recombinant human granulocyte or granulocyte-macrophage colony-stimulating factor [rHuG- CSF or rHuGM-CSF]). Leukocyte reconstitution was most accelerated in the groups treated with PBPCs and rHuG-CSF. IL-6, M-CSF, and TNF-alpha concentrations were higher in the groups treated with rHuGM-CSF and without PBPCs. Maximal endogenous cytokine concentrations occurred approximately 12 days after BM reinfusion. High concentrations of EPO occurred in patients experiencing significant hypotension despite routine transfusions for hematocrit < 42%. High M-CSF and IL-6 levels were associated with increased platelet transfusion requirements. Concentrations of all four cytokines were significantly higher in patients experiencing renal or hepatic toxicity, with elevations occurring in a predictable sequence and M-CSF elevations occurring first. This report shows that endogenous cytokine concentrations may be influenced by either cellular or CSF support and are associated with differences in platelet reconstitution and organ toxicity.


Blood ◽  
1988 ◽  
Vol 72 (4) ◽  
pp. 1148-1154 ◽  
Author(s):  
BR Blazar ◽  
MB Widmer ◽  
CC Soderling ◽  
S Gillis ◽  
DA Vallera

Abstract In vivo administration of murine recombinant granulocyte/macrophage colony stimulating factor (rGM-CSF) was evaluated for effects on survival and engraftment in an allogeneic murine bone marrow transplantation (BMT) model involving T-cell depletion of donor marrow. The model provides a high incidence of graft failure/rejection. Recipients of continuous subcutaneous infusions of rGM-CSF had a significant survival advantage when compared with untreated controls. However, a significantly lower incidence of donor cell engraftment was noted. Hematological parameters were not substantially affected. When rGM-CSF was administered intraperitoneally (IP), twice daily injections closely approximated the effects of continuous infusion on survival. Single IP injections were without significant effects on survival or engraftment. These results demonstrate that prolonged frequent in vivo exposure to rGM-CSF can significantly improve survival but significantly decreases donor cell repopulation in recipients of T-cell- depleted histoincompatible marrow grafts.


Blood ◽  
1988 ◽  
Vol 71 (3) ◽  
pp. 758-765 ◽  
Author(s):  
G Kannourakis ◽  
GR Johnson

Abstract Normal human bone marrow mononuclear cells were fractionated by differential adherence, immunomagnetic separation, and fluorescence- activated cell sorting (FACS). The resultant fractionated cells were cultured in semisolid medium to monitor the presence of BFU-E, Mix-CFC, and nonerythroid CFC. Two populations of cells were recovered on the basis of binding by the monoclonal antibody (MoAb) RFB-1. One of these populations contained BFU-E that were stimulated only by erythropoietin (Epo), whereas the second population contained BFU-E responsive to Epo, Epo and recombinant human granulocyte-macrophage colony-stimulating factor (rHGM-CSF), or Epo and human placental-conditioned medium (HPCM). Prior enrichment of clonogenic cells by removal of adherent and Leu-M3+ve, Leu-4+ve, Leu-7+ve, B1+ve, WEMG1+ve, and Glycophorin A+ve cells, followed by FACS fractionation on the basis of RFB-1 binding, consistently resulted in recoveries of BFU-E, Mix-CFC, and nonerythroid CFC of greater than 100% (up to 800%). These procedures also resulted in enrichment of up to 200-fold and frequencies of 1:6 for BFU-E, 1:5 for CFC, and 1:130 for Mix-CFC.


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