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- 2025年10月15日
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500ug
| 产品编号 | bs-6446P |
| 英文名称 | Lin-28B Antibody Blocking Peptide |
| 中文名称 | RNA结合蛋白LIN28B封闭多肽 |
| 英文别名 | Lin-28B; CSDD 2; CSDD2; FLJ16517; Lin 28 homolog B (C. elegans); Lin 28.2; Lin-28B; LIN28B; LN28B_HUMAN; Protein lin-28 homolog B. |
| 纯化方法 | HPLC |
| 研究领域 | Cancer > Tumor biomarkers Epigenetics and Nuclear Signaling > RNAi > miRNA processing |
| 亚基 | Interacts with ZCCHC11/TUT4. |
| 亚细胞定位 | Cytoplasm. Nucleus. Predominantly cytoplasmic at G1 phase, accumulates in the nucleus in S and G2 phases. The frequency of nuclear localization in S and in G2 phases is 60% and 30%, respectively. |
| 组织特异性 | High expression in testis, fetal liver, placenta and in hepatocellular carcinoma (HCC). Isoform 1 is only detected in moderately and poorly differentiated HCC tissues and placenta (at protein level). Isoform 2 is detected in fetal liver, non-tumor liver tissues, as well as well-differentiated tumor tissues (at protein level). |
| 相似性 | Belongs to the lin-28 family. Contains 2 CCHC-type zinc fingers. Contains 1 CSD (cold-shock) domain. |
| 功能 | Acts as a suppressor of microRNA (miRNA) biogenesis by specifically binding the precursor let-7 (pre-let-7), a miRNA precursor. Acts by binding pre-let-7 and recruiting ZCCHC11/TUT4 uridylyltransferase, leading to the terminal uridylation of pre-let-7. Uridylated pre-let-7 miRNAs fail to be processed by Dicer and undergo degradation. Specifically recognizes the 5'-GGAG-3' motif in the terminal loop of pre-let-7. Also recognizes and binds non pre-let-7 pre-miRNAs that contain the 5'-GGAG-3' motif in the terminal loop, leading to their terminal uridylation and subsequent degradation. Mediates MYC-mediated let-7 repression. Isoform 1, when overexpressed, stimulates growth of the breast adenocarcinoma cell line MCF-7. Isoform 2 has no effect on cell growth. |
| 保存条件 | Shipped at 4℃. Stored at -20℃ for one year. Avoid repeated freeze/thaw cycles. |
| 注意事项 | This product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications. |
| 背景资料 | The protein encoded by this gene belongs to the lin-28 family, which is characterized by the presence of a cold-shock domain and a pair of CCHC zinc finger domains. This gene is highly expressed in testis, fetal liver, placenta, and in primary human tumors and cancer cell lines. It is negatively regulated by microRNAs that target sites in the 3' UTR, and overexpression of this gene in primary tumors is linked to the repression of let-7 family of microRNAs and derepression of let-7 targets, which facilitates cellular transformation. [provided by RefSeq, Jun 2012] |
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文献和实验deposit: NoPrice_code: AAvailability in cell line catalogues: ATCC CCL 61; IZSBS BS CL15; DSMZ ACC 110;Bibliographic references:J Exp Med 1958;108:945 Proc Nat Acad Sci USA 1968;60:1275CHO-K1 (hamster, Chinese, ovary)Morphology: epithelial-likeSpecies
后置-20℃保存 20×SSC 10×PBS （DEPC处理的）含50%甲酰胺的杂交液（HS）--- 1ml分装后置-20℃保存 10×阻断液（10×BS） Buffer I Buffer II Buffer III 探针（P） 抗Dig-Ap NBT/BCIP 二、操作流程: 1） 脱蜡至水： 二甲苯5min×2 → 90%乙醇5min → DEPC水洗涤5min×2 2） 杂交前处理： 1×PBS洗涤5min → 蛋白酶K（终浓度20ug/ml in PBS）37℃
in Renal Cancer (p 73-96) Rosamonde E. Banks, Peter J. Selby Chapter 6: Heat Shock Protein 27 in Cancer (p 97-109) Dr. Cecilia Sarto, Dr. Fulvio Magni, BS. Cristina Valsecchi, Prof. Dr. Paolo Mocarelli Chapter 7: Proteomic Approaches for Biomarker
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