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BioXCell熱銷產(chǎn)品--RecombiMAb anti-mouse PD-1 (CD279)

2023-10-15
瀏覽次數(shù): 29


BioXCell熱銷產(chǎn)品--RecombiMAb anti-mouse PD-1 (CD279)

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產(chǎn)品描述:

29F.1A12?-CP004單克隆抗體是原始29F.1A12?克隆號的重組嵌合型抗體??勺兘Y(jié)構(gòu)域序列與原始29F.1A12?克隆號相同,但是恒定區(qū)序列已經(jīng)從大鼠IgG2a變?yōu)樾∈驣gG1。29F.1A12?-CP004抗體像原始大鼠IgG2a抗體一樣無Fc突變。

29F.1A12?-CP004單克隆抗體與小鼠PD-1(程序性死亡-1蛋白,也稱為CD279)反應。PD-1是一種50-55 kDa的細胞表面受體,由Pdcd1基因編碼,屬于免疫球蛋白超家族的CD28家族。PD-1在CD4和CD8胸腺細胞以及活化的T和B淋巴細胞和骨髓細胞上瞬時表達。成功清除抗原后,PD-1表達下降。此外,Pdcd1 mRNA在前B細胞階段發(fā)育中的B淋巴細胞中表達。PD-1的結(jié)構(gòu)包括一個ITIM(免疫受體酪氨酸抑制基序),表明PD-1負調(diào)節(jié)TCR信號。PD-1通過結(jié)合它的兩個配體PD-L1和PD-L2發(fā)出信號,這兩個配體都是B7家族的成員。配體結(jié)合后,PD-1信號抑制T細胞活化,導致增殖、細胞因子產(chǎn)生和T細胞死亡減少。此外,已知PD-1在小鼠的外周耐受性和預防自身免疫性疾病中起關(guān)鍵作用,因為PD-1敲除動物表現(xiàn)出擴張性心肌病、脾腫大和外周耐受性喪失。誘導的PD-L1表達常見于許多腫瘤,包括鱗狀細胞癌、結(jié)腸腺癌和乳腺腺癌。PD-L1過度表達導致腫瘤細胞對CD8 T細胞介導的裂解的抗性增加。在黑色素瘤的小鼠模型中,通過用阻斷PD-L1和它的受體PD-1之間的相互作用,腫瘤生長可以暫時被抑制。目前PD-1是癌癥免疫療法的熱門靶點之一。

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產(chǎn)品詳情:

產(chǎn)品名稱

RecombiMAb anti-mouse PD-1 (CD279)

產(chǎn)品貨號

CP004

產(chǎn)品規(guī)格

1mg

反應種屬

Mouse

克隆號

29F.1A12?-CP004

同種型

Mouse IgG1(switched from rat IgG2a)

免疫原

Recombinant PD-1-Ig fusion protein

實驗應用

in vivo blocking of PD-1/PD-L signaling*

in vitro PD-1 neutralization*

Immunohistochemistry (frozen)*

Immunofluorescence*

Western blot*

Flow cytometry*

*Reported for the original rat IgG2a 29F.1A12 antibody

產(chǎn)品形式

PBS, pH 7.0,Contains no stabilizers or preservatives

純度

>95%, Determined by SDS-PAGE

聚合

<5%, Determined by SEC

無菌處理

0.2 μm filtration

純化方式

Protein G

分子量

150 kDa

小鼠病原檢測

Ectromelia/Mousepox Virus: Negative

Hantavirus: Negative

K Virus: Negative

Lactate Dehydrogenase-Elevating Virus: Negative

Lymphocytic Choriomeningitis virus: Negative

Mouse Adenovirus: Negative

Mouse Cytomegalovirus: Negative

Mouse Hepatitis Virus: Negative

Mouse Minute Virus: Negative

Mouse Norovirus: Negative

Mouse Parvovirus: Negative

Mouse Rotavirus: Negative

Mycoplasma Pulmonis: Negative

Pneumonia Virus of Mice: Negative

Polyoma Virus: Negative

Reovirus Screen: Negative

Sendai Virus: Negative

Theiler’s Murine Encephalomyelitis: Negative

保存條件

抗體原液保存在4°C,不能冷凍保存。

推薦同型對照

InVivoPlus mouse IgG1 isotype control, unknown specificity(貨號BP0083)

推薦抗體稀釋液

InVivoPure pH 7.0 Dilution Buffer(貨號IP0070)

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該產(chǎn)品自上市已被多篇SCI文獻引用,品質(zhì)有保證,以下是部分已發(fā)表的文獻引用:

應用

文章

體內(nèi)PD-1/PD-L信號阻斷

(in vivo blocking of PD-1/

PD-L signaling)

1.?Wang, W., et al. (2018). 'RIP1 Kinase Drives Macrophage-Mediated Adaptive Immune?

Tolerance in Pancreatic Cancer' Cancer Cell 34(5): 757-774 e757.


2.?Gordon, S. R., et al. (2017). 'PD-1 expression by tumour-associated macrophages?

inhibits phagocytosis and tumour immunity' Nature 545(7655): 495-499.


3.?Koyama, S., et al. (2016). 'STK11/LKB1 Deficiency Promotes Neutrophil Recruitment?

and Proinflammatory Cytokine Production to Suppress T-cell Activity in the Lung Tumor?

Microenvironment' Cancer Res 76(5): 999-1008.

體內(nèi)PD-1/PD-L信號阻斷,

流式細胞術(shù)

(in vivo blocking of PD-1/

PD-L signaling,?Flow Cytometry)

1.Koyama, S., et al. (2016). 'Adaptive resistance to therapeutic PD-1 blockade is?

associated with upregulation of alternative immune checkpoints' Nat Commun 7: 10501.

體外PD-1中和

(in vitro PD-1 neutralization)

1.Park, S. J., et al. (2014). 'Negative role of inducible PD-1 on survival of activated?

dendritic cells' J Leukoc Biol 95(4): 621-629.

體內(nèi)PD-1/PD-L信號阻斷,

體外PD-1中和in vivo blocking?

of PD-1/PD-L signaling,?in vitro?

PD-1?neutralization

1.Duraiswamy, J., et al. (2013). 'Dual blockade of PD-1 and CTLA-4 combined with?

tumor vaccine effectively restores T-cell rejection function in tumors' Cancer Res 73

(12): 3591-3603.

流式細胞術(shù)

(Flow Cytometry)

1.Good-Jacobson, K. L., et al. (2012). 'CD80 expression on B cells regulates murine?

T follicular helper development, germinal center B cell survival, and plasma cell?

generation'?J Immunol 188(9): 4217-4225.

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