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- bs-1239P
- 2025年10月15日
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500ug
| 产品编号 | bs-1239P |
| 英文名称 | CA153 Antibody Blocking Peptide |
| 中文名称 | 粘蛋白-1封闭多肽 |
| 英文别名 | Breast carcinoma associated antigen DF3; CA 15 3; CA15-3; CA153; CA15-3 antigen; CA15.3; CA-153; Carcinoma associated mucin; CD 227; CD227; CD227 antigen; DF3 antigen; EMA; Episialin; Epithelial membrane antigen; Epithelial mucin tandem repeat sequence; H23 antigen; H23AG; HGNC:7508; MAM6; MUC 1; MUC-1; Mucin 1; Mucin 1 precursor; Mucin1; Mucin 1; Peanut reactive urinary mucin; PEM; PEMT; Polymorphic epithelial mucin; PUM; Tumor associated epithelial membrane antigen; Tumor associated mucin. |
| 性状 | Lyophilized |
| 纯化方法 | HPLC |
| 研究领域 | Cancer > Invasion/microenvironment > ECM > Extracellular matrix > MUC Cancer > Tumor immunology > Tumor-associated antigens Signal Transduction > Cytoskeleton / ECM > Extracellular Matrix > ECM Proteins > MUC Tags & Cell Markers > Cell Type Markers > Tumor Associated |
| 亚基 | The alpha subunit forms a tight, non-covalent heterodimeric complex with the proteolytically-released beta-subunit. |
| 亚细胞定位 | Secreted; Cell membrane. Cytoplasm. Nucleus. On EGF and PDGFRB stimulation, transported to the nucleus through interaction with CTNNB1, a process which is stimulated by phosphorylation. On HRG stimulation, colocalizes with JUP/gamma-catenin at the nucleus and Apical cell membrane. Exclusively located in the apical domain of the plasma membrane of highly polarized epithelial cells. After endocytosis, internalized and recycled to the cell membrane. Located to microvilli and to the tips of long filopodial protusions. |
| 组织特异性 | Expressed on the apical surface of epithelial cells, especially of airway passages, breast and uterus. Also expressed in activated and unactivated T-cells. Overexpressed in epithelial tumors, such as breast or ovarian cancer and also in non-epithelial tumor cells. Isoform 7 is expressed in tumor cells only. |
| 翻译后修饰 | Highly glycosylated (N- and O-linked carbohydrates and sialic acid). O-glycosylated to a varying degree on serine and threonine residues within each tandem repeat, ranging from mono- to penta-glycosylation. The average density ranges from about 50% in human milk to over 90% in T47D breast cancer cells. Further sialylation occurs during recycling. Membrane-shed glycoproteins from kidney and breast cancer cells have preferentially sialyated core 1 structures, while secreted forms from the same tissues display mainly core 2 structures. The O-glycosylated content is overlapping in both these tissues with terminal fucose and galactose, 2- and 3-linked galactose, 3- and 3,6-linked GalNAc-ol and 4-linked GlcNAc predominating. Differentially O-glycosylated in breast carcinomas with 3,4-linked GlcNAc. N-glycosylation consists of high-mannose, acidic complex-type and hybrid glycans in the secreted form MUC1/SEC, and neutral complex-type in the transmembrane form, MUC1/TM. Proteolytic cleavage in the SEA domain occurs in the endoplasmic reticulum by an autoproteolytic mechanism and requires the full-length SEA domain as well as requiring a Ser, Thr or Cys residue at the P + 1 site. Cleavage at this site also occurs on isoform MUC1/X but not on isoform MUC1/Y. Ectodomain shedding is mediated by ADAM17. |
| 相似性 | Contains 1 SEA domain. |
| 功能 | The alpha subunit has cell adhesive properties. Can act both as an adhesion and an anti-adhesion protein. May provide a protective layer on epithelial cells against bacterial and enzyme attack. The beta subunit contains a C-terminal domain which is involved in cell signaling, through phosphorylations and protein-protein interactions. Modulates signaling in ERK, SRC and NF-kappa-B pathways. In activated T-cells, influences directly or indirectly the Ras/MAPK pathway. Promotes tumor progression. Regulates TP53-mediated transcription and determines cell fate in the genotoxic stress response. Binds, together with KLF4, the PE21 promoter element of TP53 and represses TP53 activity. |
| 保存条件 | Shipped at 4℃. Stored at -20℃ for one year. Avoid repeated freeze/thaw cycles. |
| 背景资料 | MUC1 is a large cell surface mucin glycoprotein expressed by most glandular and ductal epithelial cells and some hematopoietic cell lineages. It is expressed on most secretory epithelium, including mammary gland and some hematopoietic cells. It is expressed abundantly in lactating mammary glands and overexpressed abundantly in >90% breast carcinomas and metastases. Transgenic MUC1 has been shown to associate with all four cebB receptors and localize with erbB1 (EGFR) in lactating glands. The MUC1 gene contains seven exons and produces several different alternatively spliced variants. The major expressed form of MUC1 uses all seven exons and is a type 1 transmembrane protein with a large extracellular tandem repeat domain. The tandem repeat domain is highly O glycosylated and alterations in glycosylation have been shown in epithelial cancer cells. |
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文献和实验[IF={{ 8.173 }}] {Mo G et al.A novel ECL sensor based on a boronate affinity molecular imprinting technique and functionalized SiO@CQDs/AuNPs/MPBA nanocomposites for sensitive determination of alpha-fetoprotein.(2019)Biosens Bioelectron. Feb 1;126:558-564.} {Other} {Human}
[IF={{ 5.999 }}] {Zhi Luo. et al. An electrochemiluminescence immunosensor based on ABEI-GO-AgNPs as a double-amplified luminophore for the ultra-sensitive detection of prostate-specific antigen. COLLOID SURFACE B. 2022 Oct;218:112718} {Other} {}
[IF={{ 5.6 }}] {Chen Cui. et al. Ultrasensitive ECL immunoassay for CA15-3 via self-enhanced L012-loaded ZnNi-MOF as an emitter and CeO2-Pt as a co-reaction accelerator. TALANTA. 2024 Oct;:127120} {} {}
[IF={{ 3.101 }}] {Cao Y et al. Detection of three tumor biomarkers in human lung cancer serum using single particle ICP-MS combined with magnetic immunoassay. Spectrochimica Acta Part B: Atomic Spectroscopy, 105797 (2020).} {Other} {Human}
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