The Immunosuppressant Rapamycin Blocks In Vitro Responses to Hematopoietic Cytokines and Inhibits Recovering But Not Steady-State Hematopoiesis In Vivo

The Immunosuppressant Rapamycin Blocks In Vitro Responses to Hematopoietic Cytokines and Inhibits Recovering But Not Steady-State Hematopoiesis In Vivo
复制标题

免疫抑制剂雷帕霉素可在体外阻断对造血细胞因子的反应,并在体内抑制恢复但非稳态的造血作用

DOI:
10.1182/blood.v84.5.1543.bloodjournal8451543
复制
发表时间:
1994
期刊:
影响因子:
20.3
通讯作者:
W. Schuler
W. Schuler
中科院分区:
医学1区
文献类型:
--
作者:
V. Quesniaux;S. Wehrli;C. Steiner;J. Joergensen;Hj Schuurman;P. Herrman;M. Schreier;W. Schuler

文献摘要

参考文献

被引文献

相似文献

免疫抑制药物雷帕霉素通过损害t细胞对白细胞介素-2 (IL- 2)和白细胞介素-4 (IL-4)等淋巴因子的反应来抑制t细胞的活化。此外,雷帕霉素还能阻断细胞系对多种造血生长因子的增殖反应,包括白细胞介素-3 (IL-3)、白细胞介素-6 (IL-6)、粒细胞集落刺激因子(G-CSF)、粒细胞巨噬细胞集落刺激因子(GM-CSF)和kit配体(KL),这表明雷帕霉素应该是一种强大的造血抑制剂。在本报告中,我们研究了雷帕霉素对体内和体外不同造血细胞群的影响。在体外,雷帕霉素抑制了IL-3、GM-CSF、KL或细胞条件培养基中存在的多种因素的复杂混合物诱导的原代骨髓细胞的增殖。在含有IL-3 +白细胞介素-1 (IL-1)或白细胞介素-11 (IL-11) + KL的悬浮培养中,雷帕霉素还能抑制集落形成细胞的增殖。在体内,用高剂量雷帕霉素(50 mg/kg/d,口服)治疗10至28天,对正常小鼠的骨髓细胞数量、增殖能力和集落形成祖细胞数量没有影响。相反,同样的治疗强烈抑制了通常在注射5-氟尿嘧啶(5- FU; 150 mg/kg,静脉注射[i.v])后10天的造血恢复。因此,雷帕霉素可能对骨髓受损的个体有害。此外,研究结果表明,雷帕霉素敏感的细胞因子驱动途径对骨髓抑制后的造血恢复至关重要,但对稳态造血并不重要。
The immunosuppressive drug rapamycin suppresses T-cell activation by impairing the T-cell response to lymphokines such as interleukin-2 (IL- 2) and interleukin-4 (IL-4). In addition, rapamycin blocks the proliferative response of cell lines to a variety of hematopoietic growth factors, including interleukin-3 (IL-3), interleukin-6 (IL-6), granulocyte-colony stimulating factor (G-CSF), granulocyte macrophage- colony stimulating factor (GM-CSF), and kit ligand (KL), suggesting that it should be a strong inhibitor of hematopoiesis. In this report, we studied the effects of rapamycin on different hematopoietic cell populations in vitro and in vivo. In vitro, rapamycin inhibited the proliferation of primary bone marrow cells induced by IL-3, GM-CSF, KL, or a complex mixture of factors present in cell-conditioned media. Rapamycin also inhibited the multiplication of colony-forming cells in suspension cultures containing IL-3 plus interleukin-1 (IL-1) or interleukin-11 (IL-11) plus KL. In vivo, treatment for 10 to 28 days with high doses of rapamycin (50 mg/kg/d, orally) had no effect on myelopoiesis in normal mice, as measured by bone marrow cellularity, proliferative capacity, and number of colony-forming progenitors. In contrast, the same treatment strongly suppressed the hematopoietic recovery normally seen 10 days after an injection of 5-fluorouracil (5- FU; 150 mg/kg, intravenously [i.v.]). Thus, rapamycin may be detrimental in myelocompromised individuals. In addition, the results suggest that the rapamycin-sensitive cytokine-driven pathways are essential for hematopoietic recovery after myelodepression, but not for steady-state hematopoiesis.
DOI: 10.1182/blood.v78.5.1237.bloodjournal7851237
发表时间: 1991-09
期刊: Blood
影响因子: 20.3
作者:
David E. Harrison;C. Lerner
通讯作者: David E. Harrison;C. Lerner
尽管 p70 S6 激酶失活,但一旦静息细胞进入细胞周期,雷帕霉素就无法阻止增殖。
DOI: --
发表时间: 1993
期刊: The Journal of biological chemistry
影响因子: --
作者:
Terada,N;Franklin,RA;Lucas,JJ;Blenis,J;Gelfand,EW
通讯作者: Gelfand,EW
Rapamycin 抑制 IL-2 和丝裂原激活的人 T 细胞中 p70 S6 激酶的磷酸化。
DOI: 10.1016/s0006-291x(05)81549-9
发表时间: 1992
影响因子: 3.1
作者:
Terada,N;Lucas,JJ;Szepesi,A;Franklin,RA;Takase,K;Gelfand,EW
通讯作者: Gelfand,EW
DOI: 10.1016/s0021-9258(18)41602-x
发表时间: 1993-10
期刊: The Journal of biological chemistry
影响因子: --
作者:
M. Albers;R. Williams;E. Brown;A. Tanaka;F. Hall;S. Schreiber
通讯作者: M. Albers;R. Williams;E. Brown;A. Tanaka;F. Hall;S. Schreiber