QKI Recombinant Monoclonal Antibody

說明書

中文名稱：

QKI Recombinant Monoclonal Antibody
貨號：

CSB-RA797567A0HU
規格：

￥1320
圖片：
Flow cytometric analysis of QKI expression in C2C12 cells using QKI antibody. Green, isotype control; red, QKI.

Immunocytochemical staining of C2C12 cells with QKI antibody. Nuclei were stained blue with DAPI; QKI was stained magenta with Alexa Fluor? 647. Images were taken using Leica stellaris 5. Protein abundance based on laser Intensity and smart gain: Medium. Scale bar, 20 μm.

Immunohistochemistry was performed on paraffin-embedded human glioblastoma using QKI antibody. Antigen retrieval was done in sodium citrate buffer (pH 6.0). DAB was used for detection, with hematoxylin counterstaining. Images were acquired using a Nikon Ci-L Plus microscope (40× objective). Scale bar: 25 μm.

Western blotting analysis using QKI antibody. Total cell lysates (30 μg) from various cell lines were loaded and separated by SDS-PAGE. The blot was incubated with QKI antibody and HRP-conjugated goat anti-rabbit secondary antibody respectively.
其他：

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靶點詳情

產品詳情

Uniprot No.：

Q96PU8
基因名：

QKI
別名：

QKI; QKI, KH Domain Containing RNA Binding; QK3; KH Domain-Containing RNA-Binding Protein QKI; HqkI; Hqk; Homolog Of Mouse Quaking QKI (KH Domain RNA Binding Protein); Quaking Homolog, KH Domain RNA Binding (Mouse); Quaking Homolog, KH Domain RNA Binding; QKI/LOC100132735 Fusion; RNA Binding Protein HQK; Protein Quaking; QK1; HKQ; QK
反應種屬：

Human, Mouse, Rat
免疫原：

Recombinant Human QKI protein
免疫原種屬：

Homo sapiens (Human)
標記方式：

Non-conjugated
克隆類型：

Monoclonal
抗體亞型：

Rabbit IgG
純化方式：

Affinity-chromatography
克隆號：

16B1
濃度：

It differs from different batches. Please contact us to confirm it.
保存緩沖液：

Rabbit IgG in PBS (pH 7.4) containing 50% glycerol, and 0.02% sodium azide.
產品提供形式：

Liquid
應用范圍：

ELISA, WB, FC, ICC, IHC

推薦稀釋比：

Application	Recommended Dilution
WB	1:1000-1:5000
FC	1:200-1:2000
ICC	1:100-1:1000
IHC	1:100-1:200

Protocols：

ELISA Protocol
Western Blotting (WB) Protocol
Flow cytometry (FC) Protocol
Immunohistochemistry (IHC) Protocol
儲存條件：

Upon receipt, store at -20°C or -80°C. Avoid repeated freeze.
貨期：

Basically, we can dispatch the products out in 1-3 working days after receiving your orders. Delivery time maybe differs from different purchasing way or location, please kindly consult your local distributors for specific delivery time.
用途：

For Research Use Only. Not for use in diagnostic or therapeutic procedures.

產品評價

靶點詳情

功能：

RNA-binding protein that plays a central role in myelinization. Binds to the 5'-NACUAAY-N(1,20)-UAAY-3' RNA core sequence. Regulates target mRNA stability. In addition, acts by regulating pre-mRNA splicing, mRNA export and protein translation. Required to protect and promote stability of mRNAs such as MBP and CDKN1B. Regulator of oligodendrocyte differentiation and maturation in the brain that may play a role in myelin and oligodendrocyte dysfunction in schizophrenia. Participates in mRNA transport by regulating the nuclear export of MBP mRNA. Also involved in regulation of mRNA splicing of MAG pre-mRNA. Acts as a translational repressor.
基因功能參考文獻：
1. Study examined if QKI6B expression can predict the outcome of GFAP, and several oligodendrocyte-related genes, in the prefrontal cortex of brain samples of schizophrenic individuals. QKI6B significantly predicts the expression of GFAP, but does not predict oligodendrocyte-related gene outcome, as previously seen with other QKI isoforms. PMID: 28552414
2. The results of this study have found an upregulation of QKI and its isoforms (QKI5, QKI6 and QKI7) in Sporadic Alzheimer's Disease patients compared to controls PMID: 27163826
3. QKI5 could inhibit gastric cancer cell proliferation, migration, and invasion in vitro and in vivo, which might be due to the altered splicing pattern of macroH2A1 pre-mRNA, leading to the accumulation of macroH2A1.1 isoform. PMID: 27092877
4. several splicing variants with functional relevance in lung cancer largely regulated by the splicing factor QKI, were identified. PMID: 27555542
5. QKI underexpression is associated with glioma. PMID: 27841882
6. Our results demonstrate that miR-143-3p acts as a tumor-suppressor by targeting QKI-5 in ESCC, suggesting that miR-143-3p is a potential therapy for the treatment of ESCC. PMID: 27358073
7. Methylation of the QKI promoter and concomitant reduced expression of QKI mRNA may be important for CRC initiation and progression. PMID: 28179294
8. quaking is essential in maintaining endothelial barrier function. PMID: 26905650
9. QKI-7 recruits PAPD4 to regulate post-transcriptional polyadenylation of target mRNAs. PMID: 26926106
10. QKI has a role in posttranscriptionally guiding macrophage identity and function. PMID: 27029405
11. MYB-QKI rearrangements promote tumorigenesis through three mechanisms: MYB activation by truncation, enhancer translocation driving aberrant MYB-QKI expression and hemizygous loss of the tumor suppressor QKI PMID: 26829751
12. Data implicate QKI in the pathophysiology of inflammation and leukemoogenesis where miR-155 is involved. PMID: 26337206
13. miR-155 regulates the cell cycle and invasion ability of colon cancer cells via the modulation of QKI expression PMID: 25420938
14. miR-29a promotes scavenger receptor A expression by targeting QKI during monocyte-macrophage differentiation. PMID: 26056009
15. QKI is a novel Cancer stem cells (CSC) inhibitor and impaired multiple oral CSC properties via partial repression of SOX2. PMID: 24918581
16. Using circScreen, study identified the RNA binding protein Quaking (QKI) as a major regulator of circRNA biogenesis in epithelial-mesenchymal transition (EMT) and show that introduction of consensus binding sequences for QKI into the flanking introns is sufficient to cause circRNAs to be produced from exons that normally only undergo canonical linear splicing. PMID: 25768908
17. QKI as a key regulator of alternative splicing in lung cancer. PMID: 24722255
18. QKI-mediated repression of FOXO1 may be one of the factors contributing to the oncogenesis and progression of breast carcinoma. PMID: 24398626
19. the QKI-5 expression may be a novel, independent factor in the prognosis of prostate cancer patients. PMID: 24153116
20. Propose that QKI is a central regulator of VSMC phenotypic plasticity and that intervention in QKI activity can ameliorate pathogenic, fibroproliferative responses to vascular injury. PMID: 23963726
21. Data showed that like QKI5/6/7 proteins, QKI7b protein was also significantly downregulated in most human colorectal cancer tissues. PMID: 23440637
22. QKI is a hub regulator of glia function in humans. PMID: 23321059
23. This work provides the first evidence that QK is a global regulator of splicing during muscle development in vertebrates and shows how overlapping splicing regulatory networks contribute to gene expression programs during differentiation. PMID: 23525800
24. Findings suggest that miR-574-5p is a potent ribo-regulator for Qkis and that aberrant miR-574-5p upregulation can be oncogenic. PMID: 22490519
25. The RNA-binding protein QKI5 is a direct target of C/EBPalpha and delays macrophage differentiation. PMID: 22398723
26. establish that p53 directly regulates Quaking (QKI) gene expression, and QKI protein associates with and leads to the stabilization of miR-20a PMID: 22751500
27. Multivariate analysis showed QKI expression was an independent prognostic factor for patient survival. PMID: 22569043
28. The QKI RNA-binding proteins regulate oligodendrocyte differentiation by modulating the expression of AIP-1. PMID: 20631256
29. E2F1 directly transcribes QKI, which, in turn, negatively regulates the cell cycle by targeting multiple cell cycle regulators, forming an E2F1-QKI-pRb/E2F1 negative feedback loop. PMID: 21768773
30. QKI, regulates the alternative splicing of macroH2A1 pre-mRNA, resulting in increased levels of macroH2A1.1. PMID: 21844227
31. HSV-1 infection promotes quaking RNA binding protein production and induces nuclear-cytoplasmic shuttling of quaking I-5 isoform in human hepatoma cells PMID: 21467216
32. QKI-7 regulates expression of interferon-related genes in human astrocyte glioma cells. PMID: 20927331
33. QKI functions as a principal regulator in the differentiation of colon epithelium and a suppressor of carcinogenesis through coordinately targeting multiple genes associated with cell growth and differentiation PMID: 19686745
34. QKI as a possible target for functional studies related to the role of myelination in schizophrenia. PMID: 16342280
35. QKI levels may regulate oligodendrocyte differentiation and maturation in human brain PMID: 16641098
36. Since QKI plays a fundamental role in oligodendrocyte differentiation and in myelination, its underexpression may be pivotal to, and upstream of, other myelin-associated gene expression abnormalities in schizophrenia. PMID: 17012699
37. QKI-6 is the major protein isoform responsible for central nervous system (CNS) myelination, which promotes myelin basic protein expression in oligodendrocytes. PMID: 17079655
38. biological functions attributed to this KH-type RNA binding protein and the recent achievements linking it to human disorders PMID: 17787018
39. we examined expression of QKI and several putative mRNA targets of QKI in human PFC and hippocampus at different ages PMID: 17918747
40. variants within the promoter region of QKI gene are unlikely to play a major role in susceptibility to schizophrenia in the Chinese population PMID: 18938205
41. The observation of consistent reductions in multiple isoforms of QKI mRNA in depressed suicide victims supports the growing body of evidence for a role of myelination-related deficits in the etiology of psychiatric disorders PMID: 19545858
42. There are many isoforms of this RNA binding protein. QKI-6 has been shown to be a translational repressor. PMID: 10535969
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亞細胞定位：

Nucleus. Cytoplasm.
組織特異性：

Expressed in the frontal cortex of brain. Down-regulated in the brain of schizophrenic patients.
數據庫鏈接：

HGNC: 21100

OMIM: 609590

KEGG: hsa:9444

STRING: 9606.ENSP00000355094

UniGene: Hs.510324

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