B7-H4 cDNA ORF Clone, Human, N-DYKDDDDK (Flag®) tag

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B7-H4 cDNA ORF Clone, Human, N-DYKDDDDK (Flag®) tag: 产品信息

基因
种属
Human
NCBI 参考序列号
基因长度
849 bp
序列特征
Identical with the Gene Bank Ref. ID sequence.
产品特征
Full length Clone DNA of Human V-set domain containing T cell activation inhibitor 1 with N terminal Flag tag.
质粒
启动子
Enhanced CMV promoter
限制性酶切位点
KpnI + XbaI (6kb + 0.86kb)
标签序列
FLAG Tag Sequence: GATTACAAGGATGACGACGATAAG
测序引物
T7( 5' TAATACGACTCACTATAGGG 3' )
BGH( 5' TAGAAGGCACAGTCGAGG 3' )
质控
The plasmid is confirmed by full-length sequencing.
筛选
细菌筛选抗性
Kanamycin
细胞筛选抗性
Hygromycin
应用
Stable or Transient mammalian expression
储存 & 运输
运输方式
Each tube contains lyophilized plasmid.
储存条件
The lyophilized plasmid can be stored at ambient temperature for three months.
Note: Flag® is a registered trademark of Sigma Aldrich Biotechnology LP. It is used here for informational purposes only.

B7-H4 cDNA ORF 核苷酸序列及氨基酸序列信息

**Sino Biological guarantees 100% sequence accuracy of all synthetic DNA constructs we deliver, but we do not guarantee protein expression in your experimental system. Protein expression is influenced by many factors that may vary between experiments or laboratories.**

B7-H4 cDNA ORF Clone, Human, N-DYKDDDDK (Flag®) tag: 验证图片

The plasmid was transfected into 293H adherent cells with Sinofection reagent (Cat# STF02). After 48 h, Immunofluorescence staining of cells. Cells were fixed with 4% PFA, permeabilzed with 0.3% Triton X-100 in PBS, blocked with 10% serum, and incubated with Mouse anti-Flag Tag monoclonal antibody (CST#8146S) at 37℃ 1 hour. Then cells were stained with Goat Anti-mouse IgG secondary antibody. The fluorescent signal is detected by fluorescence microscope. Each expression experiment has negative control.

B7-H4 cDNA ORF Clone, Human, N-DYKDDDDK (Flag®) tag: 别称

B7-H4 cDNA ORF Clone, Human; B7h.5 cDNA ORF Clone, Human; B7H4 cDNA ORF Clone, Human; B7S1 cDNA ORF Clone, Human; B7X cDNA ORF Clone, Human; PRO1291 cDNA ORF Clone, Human; VCTN1 cDNA ORF Clone, Human

B7-H4 背景信息

V-set domain-containing T-cell activation inhibitor 1, also known as B7X, B7H4, B7S1, and VTCN1, is a single-pass type-III membrane protein belonging to the B7 family of costimulatory proteins. These proteins are expressed on the surface of antigen-presenting cells and interact with ligands on T lymphocytes. They provide costimulatory signals that regulate T cell responses. A soluble form of B7H4 has also been detected. B7X / VTCN1 / B7H4 negatively regulates T-cell-mediated immune response by inhibiting T-cell activation, proliferation, cytokine production and development of cytotoxicity. When expressed on the cell surface of tumor macrophages, B7X / VTCN1 / B7H4 plays an important role, together with regulatory T-cells(Treg), in the suppression of tumor-associated antigen-specific T-cell immunity. B7X / VTCN1 / B7H4 is also involved in promoting epithelial cell transformation. This membrane protein can be up-regulated by IL6 / interleukin-6 and IL10 / interleukin-10 and inhibited by CSF2 / GM-CSF and IL4 / interleukin-4 on antigen-presenting cells.
全称
V-set domain containing T cell activation inhibitor 1
研究领域
参考文献
  • Zang X, et al. (2003) B7x: a widely expressed B7 family member that inhibits T cell activation. Proc Natl Acad Sci U S A. 100(18): 10388-92.
  • Suh WK, et al. (2006) Generation and characterization of B7-H4/B7S1/B7x-deficient mice. Mol Cell Biol. 26(17): 6403-11.
  • Zang X, et al. (2007) B7-H3 and B7x are highly expressed in human prostate cancer and associated with disease spread and poor outcome. Proc Natl Acad Sci U S A. 104(49):19458-63.

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