
About InVivoMAb anti-mouse IL-4
The BVD6-24G2 monoclonal antibody reacts with mouse IL-4 (interleukin-4) a multifunctional 14 kDa cytokine. IL-4 is expressed primarily by activated Th2 cells and NK cells, and at lower levels by mast cells, and basophils. IL-4 signals through the IL-4Rα. Upon receptor binding IL-4 stimulates activated B and T lymphocyte proliferation, and the differentiation of B cells into plasma cells. It also induces B cell class switching to IgE, and up-regulates MHC class II production while decreasing the production of Th1 cells, macrophages, IFNγ, and dendritic cell IL-12. Like other Th2 associated cytokines, IL-4 is involved in the airway inflammation observed in the lungs of patients with allergic asthma. The BVD6-24G2 antibody cannot neutralize the bioactivity of natural or recombinant IL-4.
InVivoMAb anti-mouse IL-4 Specifications
Isotype | Rat IgG1, κ |
Recommended Isotype Control(s) | InVivoMAb rat IgG1 isotype control, anti-horseradish peroxidase(BE0088) |
Recommended InVivoPure Dilution Buffer | InVivoPure pH 7.0 Dilution Buffer(IP0070) |
Immunogen | Recombinant mouse IL-4 |
Reported Applications |
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Endotoxin |
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Purity |
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Formulation |
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Sterility | 0.2 μM filtered |
Production | Purified from tissue culture supernatant in an animal free facility |
Purification | Protein G |
Storage | The antibody solution should be stored at the stock concentration at 4°C. Do not freeze. |
RRID | AB_10949184 |
Molecular Weight | 150 kDa |
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请问:同型对照应该怎么设?
不买专门的IgG2Bisotypecontrol,而用其他的抗体,
比如mouseanti-humanCD117,Igclass也是IgG2B,可以吗?
阴性对照(Isotype Control):非特异荧光的强弱取决于抗体浓度、单克隆荧光抗体特异性和纯度,应与试验管抗体相对应。在多色分析时,同型对照应与其它抗体同时使用,以避免补偿造成的误差
血小板体外活化试验:使用正常人活化标本作为阳性质控;使用正常人未活化标本作为阴性质控
血小板自身抗体检测:使用含有已知血小板抗体的血清与血小板孵育,作为阳性质控;使用不含血小板抗体的血清与血小板孵育,作为阴性质控
血小板表面抗原缺失:如巨血小板症血小板表面CD42a/CD42b缺失,血小板无力症血小板表面gpIIb/IIIa,即CD41/CD61缺失或异常。使用正常人标本做阳性对照,抗体的同型对照做阴性对照
选用和特异性抗体同种亚型的,同样荧光素标记的抗体,采用同样的染色步骤染同样浓度的细胞。然后上机检测。如果细胞有非特异性的结合,那同型对照的荧光强度可能会比未染色的阴性对照要高一些。
同型对照只用于那种阳性和阴性之间没有明确分解的情况。如果阳性细胞群非常清楚,是不需要同型对照的。另外,在多色同染的情况下,也不采用同型对照,而是采用FMO(fluorensence minus one)对照。
另外,对于同型对照的使用,也有很多反对意见。就算是同型抗体,也可能会有不同的亲和力,并不一定就能真实反应非特异性的结合。
英 ['aɪsətaɪp]美 ['aɪsəˌtaɪp]
n. 同型动物(或植物),图形文字,象征性图像;同位型;同模;同号模式

