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ClodronateLiposoems氯膦酸鹽脂質(zhì)體清除甘露聚糖誘導(dǎo)的肺部炎癥模型巨噬細(xì)胞

更新時(shí)間:2026-07-19   點(diǎn)擊次數(shù):213次

甘露聚糖誘導(dǎo)的銀屑病

攜帶Ncf1基因突變的小鼠經(jīng)鼻內(nèi)給予20 mg甘露聚糖,以誘導(dǎo)銀屑病和銀屑病關(guān)節(jié)炎(PsA)(24)。采用與前述相同的評(píng)分系統(tǒng),每日對(duì)關(guān)節(jié)炎嚴(yán)重程度進(jìn)行評(píng)分。銀屑病樣皮膚表現(xiàn)的嚴(yán)重程度通過一套15分制系統(tǒng)進(jìn)行監(jiān)測(cè),其中每只耳朵或每個(gè)爪子按1至3分的等級(jí)進(jìn)行評(píng)估(1分,輕微脫皮;2分,中度脫皮;3分,嚴(yán)重脫皮并伴有部分脫毛)(24)。

對(duì)于體內(nèi)巨噬細(xì)胞清除實(shí)驗(yàn),在誘導(dǎo)關(guān)節(jié)炎前2天,經(jīng)鼻內(nèi)給予小鼠50 μl氯膦酸二鈉脂質(zhì)體或?qū)φ誔BS脂質(zhì)體(荷蘭Liposoma BV公司)。通過流式細(xì)胞術(shù)分析評(píng)估清除效率。

對(duì)于體內(nèi)Ym1蛋白補(bǔ)充實(shí)驗(yàn),在誘導(dǎo)關(guān)節(jié)炎的第0天經(jīng)鼻內(nèi)給予小鼠甘露聚糖,并在誘導(dǎo)后的第0、2和4天經(jīng)鼻內(nèi)給予重組Ym1蛋白(每只小鼠1 μg;北京義翹神州生物技術(shù)有限公司)。


小鼠肺部炎癥模型

對(duì)于甘露聚糖誘導(dǎo)的肺部炎癥模型,BR.Ncf1和BR.Ncf1.Ym1Δ小鼠經(jīng)鼻內(nèi)給予甘露聚糖(每只小鼠0.5 mg)。分別于第0、2和5天處死小鼠。計(jì)算肺重與體重的比值(肺指數(shù))。制備肺組織進(jìn)行蘇木精-伊紅(H&E)染色。通過流式細(xì)胞術(shù)分析支氣管肺泡灌洗液(BALF)中的炎癥細(xì)胞。

對(duì)于過敏性氣道肺部炎癥(AIPI)模型的誘導(dǎo),B10.RIII和BR.Ym1Δ小鼠在第0天和第7天通過腹腔注射0.2 ml乳化液進(jìn)行致敏,該乳化液由10 μg(溶于100 μl)卵清蛋白(OVA)(美國Sigma-Aldrich公司)和100 μl Imject Alum佐劑(美國Pierce,Thermo Fisher Scientific公司)混合而成。在第14天至第20天期間,小鼠每天接受1% OVA氣溶膠激發(fā)30分鐘。對(duì)照組小鼠接受假性致敏,并暴露于相同體積的PBS。在第21天處死小鼠。制備肺組織用于組織學(xué)分析和細(xì)胞因子表達(dá)檢測(cè)。通過流式細(xì)胞術(shù)分析BALF中的炎癥細(xì)胞。收集血清,用于檢測(cè)Ym1和OVA特異性IgG1及IgE的濃度。


肺泡巨噬細(xì)胞清除效果檢測(cè)

ClodronateLiposoems氯膦酸鹽脂質(zhì)體清除甘露聚糖誘導(dǎo)的肺部炎癥模型巨噬細(xì)胞



論文信息:

論文題目:Natural polymorphism of Ym1 regulates pneumonitis through alternative activation of macrophages

期刊名稱:Science Advances

時(shí)間期卷:Vol 6, Issue43(2020)

在線時(shí)間:2020年10月21日

DOI: 10.1126/sciadv.aba9337

產(chǎn)品信息:

貨號(hào):CP-005-005

規(guī)格:5ml+5ml

品牌:Liposoma

產(chǎn)地:荷蘭

名稱:Clodronate Liposomes&Control Liposomes

辦事處:靶點(diǎn)科技


Clodronate Liposomes氯膦酸鹽脂質(zhì)體清除肺炎模型小鼠體內(nèi)肺泡巨噬細(xì)胞。荷蘭Liposoma巨噬細(xì)胞清除劑ClodronateLiposomes見刊于Science Advances:Ym1的自然多態(tài)性通過巨噬細(xì)胞的替代性激活來調(diào)節(jié)肺炎。

ClodronateLiposoems氯膦酸鹽脂質(zhì)體清除甘露聚糖誘導(dǎo)的肺部炎癥模型巨噬細(xì)胞




Liposoma巨噬細(xì)胞清除劑Clodronate Liposomes氯膦酸二鈉脂質(zhì)體清除巨噬細(xì)胞的材料和方法:ClodronateLiposoems氯膦酸鹽脂質(zhì)體清除甘露聚糖誘導(dǎo)的肺部炎癥模型巨噬細(xì)胞模型

In vivo macrophage depletion

Mice with Ncf1 mutation were administrated intranasally with 20 mg of mannan to induce psoriasis and PsA (24) and were scored daily for arthritis severity using the same scoring system as mentioned above. The severity of the psoriasis-like skin manifestations was monitored on a 15-score system, in which ears or each paw was evaluated by a scale ranging from 1 to 3 (1, weak skin peeling; 2, moderate skin peeling; and 3, heavy skin peeling with some hair loss) (24). For the in vivo macrophage depletion experiment, 50 μl of clodronate-liposome or control PBS-liposome (Liposoma BV, The Netherlands) was administrated intranasally to mice 2 days before arthritis induction. The depletion efficiency was assessed by flow cytometry analysis. For the in vivo Ym1 protein supplement experiment, mice were intranasally administrated with mannan to induce arthritis at day 0, and recombinant Ym1 protein (1 μg per mouse; Sino Biological Inc.) was treated intranasally at days 0, 2, and 4 after arthritis induction.




巨噬細(xì)胞清除材料和方法文獻(xiàn)截圖:ClodronateLiposoems氯膦酸鹽脂質(zhì)體清除甘露聚糖誘導(dǎo)的肺部炎癥模型巨噬細(xì)胞模型ClodronateLiposoems氯膦酸鹽脂質(zhì)體清除甘露聚糖誘導(dǎo)的肺部炎癥模型巨噬細(xì)胞




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