Phospho-CHEK1 (S317) Antibody
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中文名稱：磷酸化-CHEK1 (S317)兔多克隆抗體
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貨號：CSB-PA006768
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規格：￥1090
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圖片：
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Western Blot analysis of 293T cells using Phospho-Chk1 (S317) Polyclonal Antibody
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其他：
產品詳情
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Uniprot No.：
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基因名：
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別名：C85740 antibody; Cell cycle checkpoint kinase antibody; Checkpoint ; S. pombe; homolog of; 1 antibody; Checkpoint kinase 1 antibody; Checkpoint kinase 1 homolog (S. pombe) antibody; CHEK 1 antibody; Chek1 antibody; Chk 1 antibody; Chk1 antibody; CHK1 checkpoint homolog (S. pombe) antibody; CHK1_HUMAN antibody; EC 2.7.11.1 antibody; rad27 antibody; Serine/threonine protein kinase Chk1 antibody; Serine/threonine-protein kinase CHK1 antibody; STT3; subunit of the oligosaccharyltransferase complex; homolog A (S. cerevisiae) antibody
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宿主：Rabbit
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反應種屬：Human,Mouse,Rat
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免疫原：Synthesized peptide derived from Human Chk1 around the phosphorylation site of S317.
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免疫原種屬：Homo sapiens (Human)
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標記方式：Non-conjugated
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抗體亞型：IgG
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純化方式：The antibody was affinity-purified from rabbit antiserum by affinity-chromatography using epitope-specific immunogen.
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濃度：It differs from different batches. Please contact us to confirm it.
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保存緩沖液：Liquid in PBS containing 50% glycerol, 0.5% BSA and 0.02% sodium azide.
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產品提供形式：Liquid
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應用范圍：WB, IHC, ELISA
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推薦稀釋比：
Application Recommended Dilution WB 1:500-1:2000 IHC 1:100-1:300 ELISA 1:5000 -
Protocols：
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儲存條件：Upon receipt, store at -20°C or -80°C. Avoid repeated freeze.
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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.
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用途：For Research Use Only. Not for use in diagnostic or therapeutic procedures.
產品評價
相關產品
靶點詳情
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功能：Serine/threonine-protein kinase which is required for checkpoint-mediated cell cycle arrest and activation of DNA repair in response to the presence of DNA damage or unreplicated DNA. May also negatively regulate cell cycle progression during unperturbed cell cycles. This regulation is achieved by a number of mechanisms that together help to preserve the integrity of the genome. Recognizes the substrate consensus sequence Endogenous repressor of isoform 1, interacts with, and antagonizes CHK1 to promote the S to G2/M phase transition.
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基因功能參考文獻：
- These results indicate that, under stressful conditions, maintained mTORC1 signaling in cancer cells promotes survival by suppressing endogenous DNA damage, and may control cell fate through the regulation of CHK1. PMID: 28484242
- Chk1 and 14-3-3 proteins cooperate to inactivate the transcriptional repressor functions of atypical E2F proteins. This mechanism might be of particular importance to cancer cells, since they are exposed frequently to DNA-damaging therapeutic reagents. PMID: 29363506
- Study provides evidence that expression of CHEK1 protein is high in breast tumors arising in Nigerian women and is associated with aggressive cancer phenotypes and is a prognostic marker. PMID: 29075961
- This study reports the crystal structure of the human Chk1 putative kinase-associated 1 (KA1) domain, demonstrating striking structural homology with other sequentially diverse KA1 domains. Separately purified Chk1 kinase and KA1 domains are intimately associated in solution, which results in inhibition of Chk1 kinase activity. PMID: 28972186
- The nuclear transcription factor Y subunit beta (NFYB)-E2F transcription factor 1 (E2F1) pathway displays a crucial role in the chemoresistance ofoxaliplatin-resistant colorectal cancer (OR-CRC) by inducing the expression and activation of checkpoint kinase 1 (CHK1), suggesting a possible therapeutic target for oxaliplatin resistance in CRC. PMID: 29203250
- Blocking apoptosis alone is insufficient to allow the subsequent outgrowth of primary B cells lacking CHK1 in vivo or B lymphoma lines in vitro, as these cells trigger p53- dependent cell cycle arrest in response to the accumulating DNA damage. PMID: 29167438
- Chk1 and Chk2 are significantly expressed in human sperm. In case of sperm DNA damage, up-regulated Chk1 expression may enhance sperm apoptosis and lead to asthenospermia, while increased Chk2 expression may inhibit spermatogenesis and result in oligospermia. PMID: 29658237
- CHK1 and CHK2 and their activated forms are frequently expressed in HGSC effusions, with higher expression following exposure to chemotherapy, and their expression is related to survival. PMID: 29804637
- expression of AURKA and CHEK1 was linked with detrimental outcome in patients. Our data describe a synthetic lethality interaction between CHEK1 and AURKA inhibitors with potential translation to the clinical setting PMID: 28847989
- Expression levels of phosphorylated cdc25A (p-cdc25A) and phosphorylated Chk1 (p-Chk1), belonging to the ATR pathway, were decreased by treatment with Dclk1 inhibitor LRRK2-IN-1 (LRRK), indicating Dclk1 involvement in the ATR pathway PMID: 29048622
- these data demonstrate that prexasertib is a specific inhibitor of CHK1 in neuroblastoma and leads to DNA damage and cell death in preclinical models of this devastating pediatric malignancy. PMID: 28270495
- results show that HGF was involved in regulating Chk1 phosphorylation, and further demonstrate that AKT activity was responsible for this HGF-induced Chk1 phosphorylation. PMID: 28573382
- Chk1 was linked to DNA damage response bypass by suppressing JNK activation following oxidative stress, promoting cell cycle progression despite DNA damage. PMID: 28751935
- inhibition of Chk1 can potentiate activity of nucleoside analogs in TP53-mutated B-lymphoid cells PMID: 27556692
- Data show that protein phosphatase-1 alpha (PP1alpha) is required to maintain checkpoint kinase 1 (CHK1) in a dephosphorylated state and for the accelerated replication fork progression in Spi1/PU.1 transcription factor-overexpressing cells. PMID: 28415748
- Chk1 inhibition with GDC-0425 in combination with gemcitabine was tolerated with manageable bone marrow suppression. The observed preliminary clinical activity warrants further investigation of this chemopotentiation strategy PMID: 27815358
- Data show that the checkpoint kinase 1/2 (Chk1/Chk2) inhibitor prexasertib (LY2606368) inhibits cell viability in B-/T-ALL cell lines. PMID: 27438145
- we demonstrate that CHK1 mRNA is overexpressed in two independent cohorts of medulloblastoma patient samples in comparison to normal cerebellum PMID: 27449089
- results suggest a Chk1-OGT-vimentin pathway that regulates the intermediate filament network during cytokinesis PMID: 29021254
- CHEK1-mediated DNA damage checkpoint has a role in the ESR2-NCF1-ROS pathway sensitization of esophageal cancer cells to 5-fluorouracil-induced cell death PMID: 27310928
- monitoring CHEK1 expression could be used both as a predictor of outcome and as a marker to select AML patients for CHK1 inhibitor treatments. PMID: 27625304
- PLAUR to be essential for activation of Checkpoint kinase 1 (CHK1); maintenance of cell cycle arrest after DNA damage in a TP53-dependent manner; expression, nuclear import and recruitment to DNA-damage foci of RAD51 recombinase, the principal protein involved in the homologous recombination repair pathway. PMID: 27685627
- Results unveil a new aspect of PERK function and previously unknown roles for Claspin and Chk1 as negative regulators of DNA replication in the absence of genotoxic stress. PMID: 27375025
- The findings reveal ATXN3 to be a novel deubiquitinase of Chk1, providing a new mechanism of Chk1 stabilization in genome integrity maintenance. PMID: 28180282
- These findings demonstrate an unsuspected requirement for a balanced nucleotide pool for optimal Chk1 activation both in unchallenged cells and in response to genotoxic stress. PMID: 27383768
- CHK1 overexpression is associated with T-cell and Hodgkin Lymphoma. PMID: 26988986
- Checkpoint kinase 1 and 2 signaling is important for apoptin regulation. PMID: 27512067
- Genetic variants of the CHEK1 gene are significantly related to overall survival and disease-free survival of esophageal squamous cell carcinoma patients. PMID: 27924519
- Role of the CHK1-RAD51 signaling pathway in osteosarcoma cells. PMID: 28000895
- High CHK1 expression is associated with increased radioresistance of non-small cell lung cancer. PMID: 27553023
- CHEK1 loss-of-function mutations have not been found in human tumors, and transgenic expression of Chek1 in mice promotes oncogene-induced transformation. [review] PMID: 26527132
- persistence of CHK1 levels in response to DNA damage in p53-deficient cancer cells, leads to CHK1-mediated activation of NF-kappaB and induction of NF-kappaB-regulated genes in cells and in associated tumor-derived microvesicles, both of which are abrogated by loss or inhibition of CHK1. PMID: 26921248
- Chk1's expression is controlled by p53 and RB/E2F1 at the transcriptional level. PMID: 26867682
- High CHK1 expression correlates with urinary bladder cancer. PMID: 26657501
- This study shows that Chk1 indeed maintains a closed conformation in the absence of DNA damage through an intramolecular interaction between a region (residues 31-87) at the N-terminal kinase domain and the distal C terminus. A highly conserved Leu-449 at the C terminus is important for this intramolecular interaction. PMID: 27129240
- Avoiding damage formation through invalidation of Mus81-Eme2 and Mre11, or preventing damage signaling by turning off the ATM pathway, suppresses the replication phenotypes of Chk1-deficient cells. PMID: 26804904
- Chk1 is a predictive biomarker of radiotherapy resistance and early local recurrence. PMID: 26459098
- A new pathway of proliferation restriction for tetraploid untransformed cells that seems to be specific for loss of adhesion dependent cytokinesis failure involves Chk1 and p53 activation during G2. PMID: 26693937
- Human induced pluripotent stem cells fail to activate CHK1 when exposed to DNA replication inhibitors and commit to apoptosis instead. PMID: 26810087
- Isolate/characterize mantle cell lymphoma cell line resistance to Chk1 inhibitor PF-00477736. PMID: 26439697
- Results support the inhibition of checkpoint kinase 1 (Chk1) as a new therapeutic strategy in acute lymphoblastic leukemia. PMID: 26542114
- these results demonstrate a positive feedback loop involving Rad9A-dependend activation of Chk1. PMID: 26658951
- DNA damage induces Chk1 phosphorylation on chromatin followed by releasing phospho-Chk1 from the chromatin into soluble nucleus and the cytoplasm where Chk1 activates the cell cycle checkpoints; and Chk1 is degraded and checkpoint signaling is terminated. PMID: 26296656
- nasopharyngeal carcinoma cells depend on CHK1 and WEE1 activity for growth PMID: 26025928
- Suppression of CHK1 by ETS Family Members Promotes DNA Damage Response Bypass and Tumorigenesis PMID: 25653093
- Report strong synergism observed by combining Chk1 and Wee1 inhibitors in preclinical models of mantle cell lymphoma. PMID: 25428911
- mutations targeting the putative Chk1 KA1 domain confer constitutive biological activity by circumventing the need for ATR-mediated positive regulatory phosphorylation. PMID: 26039276
- CHEK1 was a direct target of miR-195, which decreased CHEK1 expression in lung cancer cells. High expression of CHEK1 in lung tumors was associated with poor overall survival. PMID: 25840419
- Our findings suggest that the addition of CHEK1 inhibitor increases the response of ovarian cancer cells to TPT. Furthermore, reduced dosages of both drugs achieved maximal cytotoxic effects by combining TPT with CHEK1 inhibitor. PMID: 25884494
- these results suggest that breast cancer cells may rely on mTORC2-Chk1 pathway for survival PMID: 25460505
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亞細胞定位：Nucleus. Chromosome. Cytoplasm. Cytoplasm, cytoskeleton, microtubule organizing center, centrosome.
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蛋白家族：Protein kinase superfamily, CAMK Ser/Thr protein kinase family, NIM1 subfamily
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組織特異性：Expressed ubiquitously with the most abundant expression in thymus, testis, small intestine and colon.
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數據庫鏈接：
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