OMIP-085: Cattle B-cell phenotyping by an 8-color panel.

OMIP-085: Cattle B-cell phenotyping by an 8-color panel.
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DOI:
10.1002/cyto.a.24683
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发表时间:
2023-01
期刊:
Cytometry. Part A : the journal of the International Society for Analytical Cytology
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其他
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对该8色样本组进行了优化,以区分新鲜和冻存外周血单核细胞(PBMC)中功能不同的牛B细胞亚群。针对细胞表面分子(免疫球蛋白轻链(S-IG[L])、CD 20、CD 21、CD 40、CD 71和CD 138)的现有表征抗体能够区分B-细胞群中的24个独特群体。这允许鉴定对感染和疫苗接种应答至关重要的五种推定的功能不同的B细胞亚群:(1)幼稚B细胞(BNaïve),(2)调节性B细胞(布雷格),(3)记忆B细胞(BMem),(4)浆母细胞(PB)和(5)浆细胞(PC)。尽管CD 3和CD 8 α可以作为额外的转储通道,但它并不能显著提高该小组分离“经典”B细胞的能力。由于试剂可能会发生交叉反应,因此该试剂组将促进更好地表征和跟踪牛以及其他牛科动物种属中的B细胞应答。
This 8‐color panel has been optimized to distinguish between functionally distinct subsets of cattle B cells in both fresh and cryopreserved peripheral blood mononuclear cells (PBMCs). Existing characterized antibodies against cell surface molecules (immunoglobulin light chain (S‐Ig[L]), CD20, CD21, CD40, CD71, and CD138) enabled the discrimination of 24 unique populations within the B‐cell population. This allows the identification of five putative functionally distinct B‐cell subsets critical to infection and vaccination responses: (1) naïve B cells (BNaïve), (2) regulatory B cells (BReg), (3) memory B cells (BMem), (4) plasmablasts (PB), and (5) plasma cells (PC). Although CD3 and CD8α can be included as an additional dump channel, it does not significantly improve the panel's ability to separate “classical” B cells. This panel will promote better characterization and tracking of B‐cell responses in cattle as well as other bovid species as the reagents are likely to cross react.
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