Induction of inflammatory cytokines by a soluble moiety prepared from an enzyme lysate of Actinomyces viscosus cell walls.

Induction of inflammatory cytokines by a soluble moiety prepared from an enzyme lysate of Actinomyces viscosus cell walls.
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由粘性放线菌细胞壁酶裂解物制备的可溶部分诱导炎症细胞因子。

DOI:
10.1099/00222615-38-6-395
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发表时间:
1993
影响因子:
3
通讯作者:
S. Hamada
S. Hamada
中科院分区:
医学3区
文献类型:
--
作者:
H. Takada;S. Kimura;S. Hamada

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从粘性放线菌ATCC 19246细胞壁的M-1内切-N-乙酰胞壁酰胺酶消化物中,通过CM Sephadex C-25和Sephadex G-100层析,制备了富含碳水化合物且具有免疫生物活性的组分M1Av。M1Av刺激巯基乙酸诱导的C3 H/HeN和C3 H/HeJ小鼠腹腔巨噬细胞释放无细胞肿瘤坏死因子(TNF)和白细胞介素(IL)-6,以及细胞相关胸腺细胞活化因子,可能是IL-1。静脉内(i. v.)注射M1Av可诱导静脉注射100 μ g胞壁酰二肽(MDP)致敏的C3 H/HeN小鼠血清中TNF和IL-6水平升高。然而,M1Av在同样用MDP致敏的C3 H/HeJ小鼠中不诱导TNF释放。同时给予M1Av(100 μ g,i. v.)半乳糖胺(18 mg,腹腔注射)杀死C3 H/HeN,但不杀死C3 H/HeJ小鼠。通过鲎试验证明M1Av几乎不含内毒素。这些结果表明,增溶的A.粘多糖细胞壁碳水化合物部分在体外和体内均诱导炎性细胞因子。
A carbohydrate-rich and immunobiologically active component, M1Av, was prepared from an M-1 endo-N-acetylmuramidase digest of cell walls of Actinomyces viscosus ATCC 19246 by CM Sephadex C-25 and Sephadex G-100 chromatography. M1Av stimulated thioglycolate-induced peritoneal macrophages from C3H/HeN and C3H/HeJ mice to release cell-free tumour necrosis factor (TNF) and interleukin (IL)-6, and a cell-associated thymocyte activating factor, probably IL-1. An intravenous (i.v.) injection of M1Av induced increased levels of TNF and IL-6 in the serum of C3H/HeN mice that had been primed with 100 micrograms of muramyldipeptide (MDP) i.v. However, M1Av did not induce TNF release in C3H/HeJ mice similarly primed with MDP. Simultaneous administration of M1Av (100 micrograms, i.v.) and galactosamine (18 mg, intraperitoneally) killed C3H/HeN, but not C3H/HeJ mice. M1Av was shown to be practically free of endotoxin by the Limulus test. These findings indicate that the solubilised A. viscosus cell-wall carbohydrate moiety induced inflammatory cytokines both in vitro and in vivo.
细胞参与有丝分裂原诱导的辅助功能,促进对粘性放线菌的胚芽发生反应。
DOI: 10.1016/0090-1229(81)90082-9
发表时间: 1981
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影响因子: --
作者:
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DOI: --
发表时间: 1981
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影响因子: --
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DOI: 10.1016/s0171-2985(87)80035-9
发表时间: 1987
期刊: Immunobiology
影响因子: 2.8
作者:
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通讯作者: McGhee,JR
由 A 组碳水化合物和来自化脓性链球菌的肽聚糖部分组成的细胞壁制剂可激活小鼠 B 淋巴细胞。
DOI: 10.1016/s0171-2985(85)80078-4
发表时间: 1985
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影响因子: 2.8
作者:
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