GG8单克隆抗体与人VISTA(含V型免疫球蛋白结构域的T细胞活化抑制剂)反应,VISTA是B7家族的阴性检查点调节因子(NCR)。几项体外和体内研究表明,VISTA蛋白既是配体又是受体。VISTA主要由髓系细胞和T细胞表达,在中枢神经系统中,VISTA也由小胶质细胞和内皮细胞表达。与其他NCR蛋白不同,VISTA在幼稚T细胞上表达,其表达受T细胞活化的负调控。除了在调节T细胞静止(即抑制T细胞)中的作用外,VISTA还参与髓系细胞的传出细胞作用、细胞因子产生(IL-10、IFN-γ和TNF-α)和趋化性。
艾美捷InVivoMAb抗人VISTA:
货号 BXC-BE0436
同型:小鼠IgG1,κ链
推荐同型对照:InVivoMAb小鼠IgG1同型对照,未知特异性
推荐稀释液:InVivoPure pH 7.0稀释液
免疫原:不可用或未知
报告应用:石蜡切片免疫组化
流式细胞术
配方:PBS,pH 7.0
不含稳定剂或防腐剂
内毒素:<2EU/mg(<0.002EU/μg)
由LAL凝胶凝固法测定
纯度:>95%
由SDS-PAGE测定
无菌性:0.2微米过滤
生产:在无动物设施中从细胞培养上清液中纯化
纯化:蛋白G
分子量:150 kDa
储存:抗体溶液应以原液浓度在4°C下储存。不要冷冻。
InVivoMAb抗人VISTA文献参考:
Flow Cytometry
Deng J, Li J, Sarde A, Lines JL, Lee YC, Qian DC, Pechenick DA, Manivanh R, Le Mercier I, Lowrey CH, Varn FS, Cheng C, Leib DA, Noelle RJ, Mabaera R. (2019). "Hypoxia-Induced VISTA Promotes the Suppressive Function of Myeloid-Derived Suppressor Cells in the Tumor Microenvironment" Cancer Immunol Res 10.1158/2326-6066.CIR-18-0507.
Immunohistochemistry (paraffin)
Kuklinski LF, Yan S, Li Z, Fisher JL, Cheng C, Noelle RJ, Angeles CV, Turk MJ, Ernstoff MS. (2018). "VISTA expression on tumor-infiltrating inflammatory cells in primary cutaneous melanoma correlates with poor disease-specific survival" Cancer Immunol Immunother 10.1007/s00262-018-2169-1.
Flow Cytometry
Tzeng A, Diaz-Montero CM, Rayman PA, Kim JS, Pavicic PG, Finke JH, Barata PC, Lamenza M, Devonshire S, Schach K, Emamekhoo H, Ernstoff MS, Hoimes CJ, Rini BI, Garcia JA, Gilligan TD, Ornstein MC, Grivas P. (2018). "Immunological Correlates of Response to Immune Checkpoint Inhibitors in Metastatic Urothelial Carcinoma" Target Oncol 10.1007/s11523-018-0595-9.
Immunohistochemistry (paraffin)
Lines JL, Sempere LF, Broughton T, Wang L, Noelle R. (2014). "VISTA is a novel broad-spectrum negative checkpoint regulator for cancer immunotherapy" Cancer Immunol Res 10.1158/2326-6066.CIR-14-0072.
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