PLK1 Antibody
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中文名稱：PLK1兔多克隆抗體
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貨號：CSB-PA004668
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規格：￥1090
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圖片：
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Western Blot analysis of NIH-3T3 cells using Plk1 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：Cell cycle regulated protein kinase antibody; PLK 1 antibody; PLK antibody; PLK-1 antibody; plk1 antibody; PLK1_HUMAN antibody; Polo like kinase 1 antibody; Polo-like kinase 1 antibody; Serine/threonine protein kinase 13 antibody; Serine/threonine protein kinase PLK1 antibody; Serine/threonine-protein kinase 13 antibody; Serine/threonine-protein kinase PLK1 antibody; STPK 13 antibody; STPK13 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 Plk1 around the non-phosphorylation site of S137.
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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, ELISA
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推薦稀釋比：
Application Recommended Dilution WB 1:500-1:2000 ELISA 1:20000 -
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
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靶點詳情
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功能：Serine/threonine-protein kinase that performs several important functions throughout M phase of the cell cycle, including the regulation of centrosome maturation and spindle assembly, the removal of cohesins from chromosome arms, the inactivation of anaphase-promoting complex/cyclosome (APC/C) inhibitors, and the regulation of mitotic exit and cytokinesis. Polo-like kinase proteins acts by binding and phosphorylating proteins are that already phosphorylated on a specific motif recognized by the POLO box domains. Phosphorylates BORA, BUB1B/BUBR1, CCNB1, CDC25C, CEP55, ECT2, ERCC6L, FBXO5/EMI1, FOXM1, KIF20A/MKLP2, CENPU, NEDD1, NINL, NPM1, NUDC, PKMYT1/MYT1, KIZ, PPP1R12A/MYPT1, PRC1, RACGAP1/CYK4, SGO1, STAG2/SA2, TEX14, TOPORS, p73/TP73, TPT1, WEE1 and HNRNPU. Plays a key role in centrosome functions and the assembly of bipolar spindles by phosphorylating KIZ, NEDD1 and NINL. NEDD1 phosphorylation promotes subsequent targeting of the gamma-tubulin ring complex (gTuRC) to the centrosome, an important step for spindle formation. Phosphorylation of NINL component of the centrosome leads to NINL dissociation from other centrosomal proteins. Involved in mitosis exit and cytokinesis by phosphorylating CEP55, ECT2, KIF20A/MKLP2, CENPU, PRC1 and RACGAP1. Recruited at the central spindle by phosphorylating and docking PRC1 and KIF20A/MKLP2; creates its own docking sites on PRC1 and KIF20A/MKLP2 by mediating phosphorylation of sites subsequently recognized by the POLO box domains. Phosphorylates RACGAP1, thereby creating a docking site for the Rho GTP exchange factor ECT2 that is essential for the cleavage furrow formation. Promotes the central spindle recruitment of ECT2. Plays a central role in G2/M transition of mitotic cell cycle by phosphorylating CCNB1, CDC25C, FOXM1, CENPU, PKMYT1/MYT1, PPP1R12A/MYPT1 and WEE1. Part of a regulatory circuit that promotes the activation of CDK1 by phosphorylating the positive regulator CDC25C and inhibiting the negative regulators WEE1 and PKMYT1/MYT1. Also acts by mediating phosphorylation of cyclin-B1 (CCNB1) on centrosomes in prophase. Phosphorylates FOXM1, a key mitotic transcription regulator, leading to enhance FOXM1 transcriptional activity. Involved in kinetochore functions and sister chromatid cohesion by phosphorylating BUB1B/BUBR1, FBXO5/EMI1 and STAG2/SA2. PLK1 is high on non-attached kinetochores suggesting a role of PLK1 in kinetochore attachment or in spindle assembly checkpoint (SAC) regulation. Required for kinetochore localization of BUB1B. Regulates the dissociation of cohesin from chromosomes by phosphorylating cohesin subunits such as STAG2/SA2. Phosphorylates SGO1: required for spindle pole localization of isoform 3 of SGO1 and plays a role in regulating its centriole cohesion function. Mediates phosphorylation of FBXO5/EMI1, a negative regulator of the APC/C complex during prophase, leading to FBXO5/EMI1 ubiquitination and degradation by the proteasome. Acts as a negative regulator of p53 family members: phosphorylates TOPORS, leading to inhibit the sumoylation of p53/TP53 and simultaneously enhance the ubiquitination and subsequent degradation of p53/TP53. Phosphorylates the transactivation domain of the transcription factor p73/TP73, leading to inhibit p73/TP73-mediated transcriptional activation and pro-apoptotic functions. Phosphorylates BORA, and thereby promotes the degradation of BORA. Contributes to the regulation of AURKA function. Also required for recovery after DNA damage checkpoint and entry into mitosis. Phosphorylates MISP, leading to stabilization of cortical and astral microtubule attachments required for proper spindle positioning. Together with MEIKIN, acts as a regulator of kinetochore function during meiosis I: required both for mono-orientation of kinetochores on sister chromosomes and protection of centromeric cohesin from separase-mediated cleavage. Phosphorylates CEP68 and is required for its degradation. Regulates nuclear envelope breakdown during prophase by phosphorylating DCTN1 resulting in its localization in the nuclear envelope. Phosphorylates the heat shock transcription factor HSF1, promoting HSF1 nuclear translocation upon heat shock. Phosphorylates HSF1 also in the early mitotic period; this phosphorylation regulates HSF1 localization to the spindle pole, the recruitment of the SCF(BTRC) ubiquitin ligase complex induicing HSF1 degradation, and hence mitotic progression. Regulates mitotic progression by phosphorylating RIOK2.
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基因功能參考文獻：
- Plk1 overexpression has tumor-suppressive properties by perturbing mitotic progression and cytokinesis. PMID: 30069007
- These findings indicate that PLK1 might be a potential therapeutic target for the treatment of sepsis-induced intestinal barrier dysfunction. PMID: 29348559
- a transcription-independent mechanism for Stat3-mediated centrosome clustering that involves Stathmin, a Stat3 interactor involved in microtubule depolymerization, and the mitotic kinase PLK1, is reported. PMID: 28474672
- expression in oral squamous cell carcinoma and oral submucous fibrosis PMID: 29652009
- Analyses with phospho-defective and phospho-mimetic mutants of FoxM1b identified a critical role of the Plk1 phosphorylation sites in regulating the binding of FoxM1b to Rb and DNMT3b. PMID: 28387346
- A significant over expression of forkhead box protein M1 (FOXM1), polo-like kinase 1 (PLK1) and centrosomal protein 55 (CEP55) was observed in tumor samples compared to adjacent and normal bladder tissues, suggesting they may be potential candidate's biomarkers for early diagnosis and targets for cancer therapy. PMID: 30277841
- The results of the study suggest that miR23a inhibits pancreatic cancer (PC) cell progression by directly targeting PLK1associated signaling and promoting miR23a expression may be a potential method for treating patients with PC. PMID: 29749476
- TPX2 promotes the proliferation and migration of human OC cells by regulating PLK1 expression. PMID: 29865033
- Findings indicate a critical role for Polo-like kinase 1 (Plk1) in regulating biosynthesis in cancer cells. PMID: 29138396
- Observations demonstrated that Plk1 directly interacts with RNF2 and degrades RNF2 via the ubiquitindependent degradation pathway. PMID: 29565459
- PLK1 was upregulated in the SGC-7901/DDP (cisplatin-resistant) gastric cancer cells compared with the SGC-7901 cells. PMID: 29393385
- let-7b targets PLK1 to inhibit hepatocellular carcinoma cell growth and induce their apoptosis by attenuating the PLK1-mediated Survivin phosphorylation PMID: 29913237
- an elevated PLK1 level significantly predicted unfavorable overall survival (hazard ratio = 1.78, 95% CI: 1.10-2.88, P = 0.019) and was correlated with female gender (OR = 0.73, 95% CI: 0.56-0.95, P = 0.017), tumor thrombus (OR = 3.97, 95% CI: 1.46-10.78, P < 0.001), metastasis (OR = 3.46, 95% CI: 1.33-9.01, P = 0.011), pathologic stage (OR = 1.56, 95% CI: 1.17-2.07, P = 0.002). PMID: 29843122
- that SUMOylation is an important regulatory mechanism governing PLK1's mitotic function PMID: 29166606
- The authors show that human Cyclin-Dependent-Kinases (CDKs) target the RAD9 subunit of the 9-1-1 checkpoint clamp on Thr292, to modulate DNA damage checkpoint activation. Thr292 phosphorylation on RAD9 creates a binding site for Polo-Like-Kinase1 (PLK1), which phosphorylates RAD9 on Thr313. PMID: 29254517
- hnRNPK regulates PLK1 expression by competing with the PLK1-targeting miRNAs, miR-149-3p and miR-193b-5p. PMID: 28708135
- The expression of APC-DeltaC in colon cells reduces the accumulation of mitotic cells upon PLK1 inhibition, accelerates mitotic exit and increases the survival of cells with enhanced chromosomal abnormalities. PMID: 29549256
- Polo-like kinase inhibition can sensitize cholangiocarcinoma cells to cisplatin-induced apoptosis with proteasomal Bcl-2 degradation as an additional pro-apoptotic effect. PMID: 28652654
- Results showed that Polo-like kinase 1 (Plk1) plays an important role in the conversion of cancer stem cells (CSCs) between active and quiescent states. PMID: 28430578
- Authors demonstrated that WDR62 is a PLK1 substrate that is phosphorylated at Ser 897, and that this phosphorylation at the spindle poles promotes astral microtubule assembly to stabilize spindle orientation. PMID: 28973348
- findings thus elucidate a critical role for Plk1 in CyclinB1-Cdk1 activation and mitotic entry and outline how CyclinA2-Cdk, an S-promoting factor, poises cells for commitment to mitosis. PMID: 28591578
- Data show that a microRNA-mimic to increase miR-34a together with siRNA to silence PLK1 oncogene prolonged survival. PMID: 29295989
- PLK1 inhibitors may be effective for patients with high-risk or relapsed neuroblastomas with upregulated PLK1. PMID: 28036269
- The authors found that SYP-4 is phosphorylated dependent on Polo-like kinases PLK-1/2. They propose a model in which Polo-like kinases recognize crossover designation and phosphorylate SYP-4 thereby stabilizing the synaptonemal complex and making chromosomes less permissive for further double-strand break formation. PMID: 28346135
- Data suggest that FBXW7, MCL1 and PLK1 may be relevant predictive markers of tumor progression and response to paclitaxel treatment. PMID: 27409838
- we have identified lnc-RI as a new regulator of mitosis which acts by releasing PLK1 mRNA activity via competition for binding to miRNA-210-3p. PMID: 27160062
- A FAK-Src signaling pathway downstream of integrin-mediated cell adhesion was found to decelerate both PLK1 degradation and CEP55 accumulation at the midbody. These data identify the regulation of PLK1 and CEP55 as steps where integrins exert control over the cytokinetic abscission. PMID: 27127172
- Data indicate that the mitotic kinase Polo-like kinase 1 (PLK1) was an important effector of S1P-S1P5 signaling, and a new function of the SphK1-S1P pathway specifically in the control of mitosis in HeLa cells. PMID: 28351953
- proviral action associated with biogenesis of the nucleocapsid PMID: 28445592
- identified Polo-like kinase 1 (PLK1), a major signaling hub in the spindle subnetwork, as phosphorylated at the conserved Tyr(217) in the kinase domain. Substitution of Tyr(217) with a phosphomimetic residue eliminated PLK1 activity in vitro and in cells. PMID: 27965426
- PLK1 inhibition mitigates autophagy in cancer cells both under nutrient starvation and sufficiency, and a role of PLK1 in autophagy is also observed in the invertebrate model organism Caenorhabditis elegans. PMID: 28102733
- a novel p53-independent regulation of PLK1 during CRC differentiation and apoptosis. PMID: 28341486
- Results show that PLK1 is overexpressed in diffuse intrinsic pontine gliomas. PMID: 27538997
- Mutant IDH1 promotes checkpoint adaptation which can be exploited therapeutically with the combination of TMZ and a PLK1 inhibitor, indicating PLK1 inhibitors may be clinically valuable in the treatment of IDH1 mutant gliomas PMID: 28178660
- Genistein induced mitotic arrest by inhibiting Plk1 activity and, consequently, led to mitotic catastrophe and apoptosis. Tumor cells with TP53 mutations were more sensitive to cell death by treatment of genistein. PMID: 27861885
- we show that Plk1 phosphorylates Mre11 at S649 during G2 DNA damage recovery and Mre11 phosphorylation at S649/S689 drives premature checkpoint termination and reduced DNA repair PMID: 28512243
- We propose that the DDR targets recruitment of Aurora A to the Plk1/Bora complex to prevent activation of Plk1 during DNA damage in G2. PMID: 27721411
- Studies provide evidence that PLK1 plays a role during cell cycle progression and human pediatric cancer. [review] PMID: 26302797
- Small molecule inhibition of polo-like kinase 1 by volasertib (BI 6727) causes significant melanoma growth delay and regression in vivo. PMID: 27793694
- Mutations of the LIM protein AJUBA mediate sensitivity of head and neck squamous cell carcinomas to treatment with PLK1 inhibitors. PMID: 28126323
- PLK1 may be an important regulator of metabolism maintenance in melanoma cells. PMID: 28235541
- The authors show that a global spread of ATM activity on chromatin and phosphorylation of ATM targets including KAP1 control Plk1 re-activation. These phosphorylations are rapidly counteracted by the chromatin-bound phosphatase Wip1, allowing cell cycle restart despite persistent ATM activity present at DNA lesions. PMID: 28607002
- These data implicate the insulin-FoxM1/PLK1/CENP-A pathway-regulated mitotic cell-cycle progression as an essential component in the beta cell adaptation to delay and/or prevent progression to diabetes. PMID: 28286049
- Inhibition of PLK1 activity or overexpression of a non-phosphorylatable PLK1 mutant reduces the polyploid cell population. PMID: 27398835
- the mechanism of Plk1 activation and the potential role of Bora phosphorylation by Cdk1, is reported. PMID: 27831827
- centrosome maturation occurs during interphase in an MLK-dependent manner, independent of the classic mitotic kinase, Plk1. PMID: 27219065
- High PLK1 expression is associated with hepatocellular carcinoma. PMID: 28267710
- centrosome protein Dzip1 mediates the assembly of the BBSome-Dzip1-PCM1 complex in the centriolar satellites (CS) at the G0 phase for ciliary translocation of the BBSome. Phosphorylation of Dzip1 at Ser-210 by Plk1 (polo-like kinase 1) during the G2 phase promotes disassembly of this complex, resulting in removal of Dzip1 and the BBSome from the CS. PMID: 27979967
- miR-509-3-5p is a strong suppressor of cancer via targeting PLK1. PMID: 27498003
- These findings suggest that Plk1 regulates smooth muscle contraction by modulating vimentin phosphorylation at Ser-56. PMID: 27662907
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相關疾病：Defects in PLK1 are associated with some cancers, such as gastric, thyroid or B-cell lymphomas. Expression is cancer increased in tumor tissues with a poor prognosis, suggesting a role in malignant transformations and carcinogenesis.
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亞細胞定位：Nucleus. Chromosome, centromere, kinetochore. Cytoplasm, cytoskeleton, microtubule organizing center, centrosome. Cytoplasm, cytoskeleton, spindle. Midbody.
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蛋白家族：Protein kinase superfamily, Ser/Thr protein kinase family, CDC5/Polo subfamily
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組織特異性：Placenta and colon.
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