XBP1 Rabbit mAb  (货号:B28911)

说明书

货号:B28911

规格价格
50ul ¥1080.00 加购物车
100ul ¥2050.00 加购物车
反应 Human
宿主 Rabbit
克隆性 Monoclonal
应用 WBIHCIF/ICCFC
推荐浓度 WB: 1:500 - 1:2000
IHC: 1:50 - 1:200
IF/ICC: 1:50 - 1:200
FC: 1:20 - 1:50
理论分子量 28kDa/40kDa
实测分子量 29kDa
形式 Liquid
保存条件 Store at -20℃. Avoid freeze / thaw cycles.
Buffer: PBS with 0.75% BSA,50% glycerol,pH7.3.
偶联物 Unconjugated
阳性对照
细胞定位 Cytoplasm,Endoplasmic reticulum membrane,Endoplasmic reticulum,Membrane,Nucleus,Peripheral membrane protein,Single-pass type II membrane protein
纯化 Affinity purification

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抗原信息

抗原信息 Recombinant fusion protein.
序列 Email For Sequence

靶点信息

研究背景 This gene encodes a transcription factor that regulates MHC class II genes by binding to a promoter element referred to as an X box. This gene product is a bZIP protein, which was also identified as a cellular transcription factor that binds to an enhancer in the promoter of the T cell leukemia virus type 1 promoter. It may increase expression of viral proteins by acting as the DNA binding partner of a viral transactivator. It has been found that upon accumulation of unfolded proteins in the endoplasmic reticulum (ER), the mRNA of this gene is processed to an active form by an unconventional splicing mechanism that is mediated by the endonuclease inositol-requiring enzyme 1 (IRE1). The resulting loss of 26 nt from the spliced mRNA causes a frame-shift and an isoform XBP1(S), which is the functionally active transcription factor. The isoform encoded by the unspliced mRNA, XBP1(U), is constitutively expressed, and thought to function as a negative feedback regulator of XBP1(S), which shuts off transcription of target genes during the recovery phase of ER stress. A pseudogene of XBP1 has been identified and localized to chromosome 5.
基因ID 7494
基因名 XBP1
Swiss P17861
别名 XBP1;TREB-5;TREB5;XBP-1;XBP2;XBP1s;CBX1
组织表达 Expressed in plasma cells in rheumatoid synovium (PubMed:11460154). Over-expressed in primary breast cancer and metastatic breast cancer cells (PubMed:25280941). Isoform 1 and isoform 2 are expressed at higher level in proliferating as compared to confluent quiescent endothelial cells (PubMed:19416856).
功能 Functions as a transcription factor during endoplasmic reticulum (ER) stress by regulating the unfolded protein response (UPR). Required for cardiac myogenesis and hepatogenesis during embryonic development, and the development of secretory tissues such as exocrine pancreas and salivary gland (By similarity). Involved in terminal differentiation of B lymphocytes to plasma cells and production of immunoglobulins (PubMed:11460154). Modulates the cellular response to ER stress in a PIK3R-dependent manner (PubMed:20348923). Binds to the cis-acting X box present in the promoter regions of major histocompatibility complex class II genes (PubMed:8349596). Involved in VEGF-induced endothelial cell (EC) proliferation and retinal blood vessel formation during embryonic development but also for angiogenesis in adult tissues under ischemic conditions. Functions also as a major regulator of the UPR in obesity-induced insulin resistance and type 2 diabetes for the management of obesity and diabetes prevention (By similarity).
研究领域

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