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| Product Name | PMS2 [SY08-09] |
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| Antibody Type | Primary Antibodies |
| Product description | Component of the post-replicative DNA mismatch repair system (MMR). It introduces single-strand breaks near the mismatch and thus generates new entry points for the exonuclease EXO1 to degrade the strand containing the mismatch. DNA methylation would prevent cleavage and therefore assure that only the newly mutated DNA strand is going to be corrected. MutL alpha (MLH1-PMS2) interacts physically with the clamp loader subunits of DNA polymerase III, suggesting that it may play a role to recruit the DNA polymerase III to the site of the MMR. Also implicated in DNA damage signaling, a process which induces cell cycle arrest and can lead to apoptosis in case of major DNA damages. The finding that mutations in DNA mismatch repair genes are associated with hereditary nonpolyposis colorectal cancer (HNPCC) has resulted in considerable interest in the understanding of the mechanism of DNA mismatch repair. Initially, inherited mutations in the MSH2 and MLH1 homologs of the bacterial DNA mismatch repair genes MutS and MutL were demonstrated at high frequency in HNPCC and were shown to be associated with microsatellite instability. The demonstration that 10 to 45% of pancreatic, gastric, breast, ovarian and small cell lung cancers also display microsatellite instability has been interpreted to suggest that DNA mismatch repair is not restricted to HNPCC tumors but is a common feature in tumor initiation or progression. |
| Immunogen | Recombinant protein |
| Clonality | Monoclonal |
|---|---|
| Isotype | IgG |
| Host Species | Recombinant rabbit |
| Tested Applications | WBICC/IFIHCIPFC |
| WB:1:500-1:2,000 ICC:1:50-1:200 IHC:1:50-1:200 FC:1:50-1:100 | |
| Species Reactivity | Human |
| Concentration | 1mg/ml |
| Alternative Names | DNA mismatch repair gene homologue antibody DNA mismatch repair protein PMS2 antibody H_DJ0042M02.9 antibody HNPCC4 antibody Mismatch repair endonuclease PMS2 antibody Mismatch repair gene PMSL2 antibody PMS 2 antibody PMS1 protein homolog 2 antibody PMS2 antibody PMS2 postmeiotic segregation increased 2 antibody PMS2 postmeiotic segregation increased 2 (S. cerevisiae) antibody PMS2_HUMAN antibody PMS2CL antibody PMSL2 antibody Postmeiotic segregation increased S. cerevisiae 2 antibody |
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| Molecular Weight(MW) | 96 kDa |
| SwissProt ID | P54278 |
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Application Fig1: Western blot analysis of PMS2 on Hela cell lysates. Proteins were transferred to a PVDF membrane and blocked with 5% BSA in PBS for 1 hour at room temperature. The primary antibody was used at a 1:1,000 dilution in 5% BSA at room temperature for 2 hours. Goat Anti-Mouse IgG - HRP Secondary Antibody (HA1006) at 1:5,000 dilution was used for 1 hour at room temperature.
Application Fig2: ICC staining PMS2 in Hela cells (red). Formalin fixed cells were permeabilized with 0.1% Triton X-100 in TBS for 10 minutes at room temperature and blocked with 1% Blocker BSA for 15 minutes at room temperature. Cells were probed with Carbonic anhydrase 2 monoclonal antibody at a dilution of 1:100 for at least 1 hour at room temperature, washed with PBS. Alexa Fluorc™ 488 Goat anti-Mouse IgG was used as the secondary antibody at 1/100 dilution. The nuclear counter stain is DAPI (blue).
Application Fig3: Immunohistochemical analysis of paraffin-embedded human colon cancer tissue using anti-PMS2 antibody. The section was pre-treated using heat mediated antigen retrieval with sodium citrate buffer (pH6) for 20 mins. The tissues were blocked in 5% BSA for 30 minutes at room temperature, washed with ddH2O and PBS, and then probed with the antibody (ET1605-1) at 1/200 dilution, for 30 minutes at room temperature and detected using an HRP conjugated compact polymer system. DAB was used as the chrogen. Counter stained with hematoxylin and mounted with DPX.
Application Fig4: Immunohistochemical analysis of paraffin-embedded human breast cancer tissue using anti-PMS2 antibody. The section was pre-treated using heat mediated antigen retrieval with sodium citrate buffer (pH6) for 20 mins. The tissues were blocked in 5% BSA for 30 minutes at room temperature, washed with ddH2O and PBS, and then probed with the antibody (ET1605-1) at 1/200 dilution, for 30 minutes at room temperature and detected using an HRP conjugated compact polymer system. DAB was used as the chrogen. Counter stained with hematoxylin and mounted with DPX.
Application Fig5: Flow cytometric analysis of PMS2 was done on Hela cells. The cells were fixed, permeabilized and stained with APE1 antibody at 1/100 dilution (red) compared with an unlabelled control (cells without incubation with primary antibody; black). After incubation of the primary antibody on room temperature for an hour, the cells was stained with a Alexa Fluor™ 488-conjugated goat anti-rabbit IgG Secondary antibody at 1/500 dilution for 30 minutes.
| Positive Control | Hela, human breast carcinoma tissue, human colon cancer tissue. |
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| Application Notes | WB:1:500-1:2,000 ICC:1:50-1:200 IHC:1:50-1:200 FC:1:50-1:100 |
| Form | Liquid |
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| Storage Instructions | Store at +4℃ after thawing. Aliquot store at -20℃. Avoid repeated freeze / thaw cycles. |
| Storage Buffer | 1*TBS (pH7.4), 1%BSA, 40%Glycerol. Preservative: 0.05% Sodium Azide. |
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