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Diphtheria Toxin from Corynebacterium diphtheriae

来自白喉棒状杆菌的白喉毒素

Company: Sigma-Aldrich
Catalog#: D0564
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In vivo DCs Depletion with Diphtheria Toxin and MARCO+/MOMA1+ Cells Depletion with Clodronate Liposomes in B6.CD11c-DTR Mice
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2016-08-05
[Abstract]  To evaluate precisely the relative roles of different splenic phagocytic cells during an immune response, efficient methods for the depletion of specific populations are needed. Here, we describe the protocols for the depletion of splenic dendritic cells (DCs) by human diphtheria toxin (DTx) treatment in target mice (which express the human DTx receptor in all CD11c+ DCs) and for the specific depletion of MARCO+/MOMA-1+ marginal zone macrophages (MZMΦs) with clodronate liposomes (ClLip) treatment (when a small dose of ClLip is ministered, MZMΦs preferentially uptake ClLip, and clodronate is released inside those cells causing apoptosis-mediated cell death). These protocols are adaptations from previous works (Jung et al., 2002; McGaha et al ... [摘要]  为了准确地评估不同的脾吞噬细胞在免疫应答期间的相对作用,需要用于消耗特定群体的有效方法。 在这里,我们描述了通过人类白喉毒素(DTx)治疗在目标小鼠(其在所有CD11c + DC中表达人类DTx受体)中脾脏树突状细胞(DCs) 用氯膦酸脂质体(ClLip)处理(当小剂量的ClLip被分配时,MZMΦs优先摄取)的MARCO + /MOMA-1 + 边缘区巨噬细胞(MZMΦ) ClLip和氯膦酸盐在那些细胞内释放,引起凋亡介导的细胞死亡)。 这些方案是来自先前作品的改编(Jung等人,2002; McGaha等人,2011),并且用于评价DC和MZMΦ的各自的作用 在实验性血液阶段疟疾感染的急性期期间(Borges da Silva等人,2015)。

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