CIP2A Antibody

Novus Biologicals | Catalog # NB100-68264

Novus Biologicals
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Key Product Details

Validated by

Knockout/Knockdown, Independent Antibodies, Biological Validation

Species Reactivity

Validated:

Human, Mouse, Rat

Cited:

Human, Mouse

Applications

Validated:

Immunohistochemistry, Immunohistochemistry-Paraffin, Western Blot, Immunoprecipitation, Knockdown Validated

Cited:

Immunohistochemistry-Paraffin, Western Blot, IF/IHC

Label

Unconjugated

Antibody Source

Polyclonal Rabbit IgG
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Product Specifications

Immunogen

The immunogen recognized by this antibody maps to a region between residue 853 and 903 of human cancerous inhibitor of PP2A using the numbering given in entry NP_065941.1 (GeneID 57650).

Clonality

Polyclonal

Host

Rabbit

Isotype

IgG

Theoretical MW

102 kDa.
Disclaimer note: The observed molecular weight of the protein may vary from the listed predicted molecular weight due to post translational modifications, post translation cleavages, relative charges, and other experimental factors.

Scientific Data Images for CIP2A Antibody

Western Blot: CIP2A Antibody [NB100-68264]

Western Blot: CIP2A Antibody [NB100-68264]

CIP2A-Antibody-Western-Blot-NB100-68264-img0005.jpg
Immunohistochemistry-Paraffin: CIP2A Antibody [NB100-68264]

Immunohistochemistry-Paraffin: CIP2A Antibody [NB100-68264]

Immunohistochemistry-Paraffin: CIP2A Antibody [NB100-68264] - Human colon carcinoma. Antibody used at a dilution of 1:200 (1ug/ml).
Western Blot: CIP2A Antibody [NB100-68264]

Western Blot: CIP2A Antibody [NB100-68264]

Western Blot: CIP2A Antibody [NB100-68264] - Whole cell lysate (50 ug) from NIH3T3, TCMK-1, 4T1, CT26.WT, and rat C6 cells.
Western Blot: CIP2A Antibody [NB100-68264]

Western Blot: CIP2A Antibody [NB100-68264]

Western Blot: CIP2A Antibody [NB100-68264] - Detection of Human CIP2A on HeLa whole cell lysate using NB100-68264. CIP2A was also immunoprecipitated by rabbit anti-CIP2A antibody NB100-68263.
Knockdown Validated: CIP2A Antibody [NB100-68264]

Western Blot: CIP2A Antibody [NB100-68264]

CIP2A-Antibody-Knockdown-Validated-NB100-68264-img0004.jpg
CIP2A Antibody

Western Blot: CIP2A Antibody [NB100-68264] -

Western Blot: CIP2A Antibody [NB100-68264] - HPV-16E7 & -58E7 upregulated CIP2A mRNA & protein levels in PHKs(A) Western blot analysis of CIP2A protein level in PHKs expressing HPV-16E7, -58E7, -6E7; & (B) Quantification. (C) qRT-PCR analysis of CIP2A mRNA level in PHKs expressing HPV-16E7, -58E7, -6E7. (D) Western blot analysis of CIP2A protein level in PHKs expressing HPV-16E7 & 16E7 mutants L22A & C24G. Babe, vector control. *, P < 0.05; **, P < 0.01; & ***, P < 0.001. Image collected & cropped by CiteAb from the following publication (https://pubmed.ncbi.nlm.nih.gov/25650660), licensed under a CC-BY license. Not internally tested by Novus Biologicals.
CIP2A Antibody

Western Blot: CIP2A Antibody [NB100-68264] -

Western Blot: CIP2A Antibody [NB100-68264] - Silencing CIP2A caused decreased Cdk1 & Cdk2 proteins in 16E6‐expressing cells. A, Western blot analysis of CIP2A, Cdk4, Cdk6, cyclin D1, Cdk1, Cdk2, cyclin B1, cyclin A2 & cyclin E1 protein levels in cells expressing HPV‐16E6 transfected with CIP2A siRNA & then treated with PBS or 10 μg/mL bleomycin for 24 h. A representative of 3 independent experiments is shown. B, Quantification of all cell cycle‐related proteins. Data from 3 experiments are summarized. C, Relative mRNA levels of all cell cycle‐related genes determined by qRT‐PCR. Data from 3 experiments are summarized. *, P < .05; **, P < .01 Image collected & cropped by CiteAb from the following publication (https://pubmed.ncbi.nlm.nih.gov/29893470), licensed under a CC-BY license. Not internally tested by Novus Biologicals.
CIP2A Antibody

Western Blot: CIP2A Antibody [NB100-68264] -

Western Blot: CIP2A Antibody [NB100-68264] - Inhibition of Cdk1 & Cdk2 by CIP2A knockdown in cervical cancer SiHa cells caused G1 arrest. A, Western blot analysis of 16E6, p53 & CIP2A after HPV‐16E6 knockdown in cervical cancer SiHa cells. B, Protein expression of CIP2A, B‐Myb, Cdk1 & Cdk2 in SiHa cells after CIP2A knockdown. Data from a representative of 3 experiments are shown. C, Flow cytometric analysis of SiHa cells with CIP2A knockdown treated with PBS or bleomycin. A representative flow cytometry of 3 independent experiments is shown. D, Quantification of percentages G1 phase cells. Data from 3 experiments are summarized. *, P < .05 Image collected & cropped by CiteAb from the following publication (https://pubmed.ncbi.nlm.nih.gov/29893470), licensed under a CC-BY license. Not internally tested by Novus Biologicals.
CIP2A Antibody

Western Blot: CIP2A Antibody [NB100-68264] -

Western Blot: CIP2A Antibody [NB100-68264] - Knockdown of CIP2A inhibited cell proliferation & DNA synthesis of HPV-16E7-expressing cells(A) Western blot analysis of protein level of 16E7 & CIP2A in RPE1-16E7 cells & (B) with CIP2A siRNA for 48 hr. (C) CCK8 assay of cell proliferation of RPE1-16E7 cells with CIP2A siRNA. (D) Flow cytometry of cells with CIP2A siRNA & labeled with BrdU for 2 hr, then stained with PI & BrdU; & (E), Quantification. Babe, vector control. **, P < 0.01. Image collected & cropped by CiteAb from the following publication (https://pubmed.ncbi.nlm.nih.gov/25650660), licensed under a CC-BY license. Not internally tested by Novus Biologicals.
CIP2A Antibody

Western Blot: CIP2A Antibody [NB100-68264] -

Western Blot: CIP2A Antibody [NB100-68264] - Inhibition of Cdk1 & Cdk2 by CIP2A knockdown in cervical cancer SiHa cells caused G1 arrest. A, Western blot analysis of 16E6, p53 & CIP2A after HPV‐16E6 knockdown in cervical cancer SiHa cells. B, Protein expression of CIP2A, B‐Myb, Cdk1 & Cdk2 in SiHa cells after CIP2A knockdown. Data from a representative of 3 experiments are shown. C, Flow cytometric analysis of SiHa cells with CIP2A knockdown treated with PBS or bleomycin. A representative flow cytometry of 3 independent experiments is shown. D, Quantification of percentages G1 phase cells. Data from 3 experiments are summarized. *, P < .05 Image collected & cropped by CiteAb from the following publication (https://pubmed.ncbi.nlm.nih.gov/29893470), licensed under a CC-BY license. Not internally tested by Novus Biologicals.
CIP2A Antibody

Western Blot: CIP2A Antibody [NB100-68264] -

Western Blot: CIP2A Antibody [NB100-68264] - Inhibition of CIP2A by siRNA impeded cell viability & DNA synthesis in HPV‐16E6–expressing cells. A, Elevated expression of CIP2A protein in 16E6‐expressing RPE1 cells. B, Western blot analysis of CIP2A & p53 proteins after transfection with scrambled siRNA (siCon) or CIP2A siRNA (siCIP2A) for 48 h. A representative of 3 independent experiments is shown. C, Cell viability assay of RPE1‐16E6 cells with CIP2A knockdown. D, Representative flow cytometry of BrdU staining profiles is shown. E, The mean & SD of BrdU‐positive cells from 3 experiments are summarized. **, P < .01. Image collected & cropped by CiteAb from the following publication (https://pubmed.ncbi.nlm.nih.gov/29893470), licensed under a CC-BY license. Not internally tested by Novus Biologicals.
CIP2A Antibody

Western Blot: CIP2A Antibody [NB100-68264] -

Western Blot: CIP2A Antibody [NB100-68264] - CIP2A siRNA knockdown caused G1 arrest & decreased Cdk1 & Cdk2 protein levels in E7-expressing cells(A) Flow cytometry of cells expressing 16E7 transfected with CIP2A siRNA for 48 hr, treated with DMSO control or bleomycin (10 μg/mL) for 24 hr, then stained with PI. G1, S & G2 phases are indicated. (B) Western blot analysis of Cdk1, Cdk2, Cyclin A2, Cdk4, Cdk6, Cyclin D1 protein levels in cells expressing HPV-16E7 transfected with CIP2A siRNA. Babe, vector control. Image collected & cropped by CiteAb from the following publication (https://pubmed.ncbi.nlm.nih.gov/25650660), licensed under a CC-BY license. Not internally tested by Novus Biologicals.
CIP2A Antibody

Western Blot: CIP2A Antibody [NB100-68264] -

Western Blot: CIP2A Antibody [NB100-68264] - Knockdown of CIP2A inhibited cell proliferation & DNA synthesis of HPV-16E7-expressing cells(A) Western blot analysis of protein level of 16E7 & CIP2A in RPE1-16E7 cells & (B) with CIP2A siRNA for 48 hr. (C) CCK8 assay of cell proliferation of RPE1-16E7 cells with CIP2A siRNA. (D) Flow cytometry of cells with CIP2A siRNA & labeled with BrdU for 2 hr, then stained with PI & BrdU; & (E), Quantification. Babe, vector control. **, P < 0.01. Image collected & cropped by CiteAb from the following publication (https://pubmed.ncbi.nlm.nih.gov/25650660), licensed under a CC-BY license. Not internally tested by Novus Biologicals.
CIP2A Antibody

Western Blot: CIP2A Antibody [NB100-68264] -

Western Blot: CIP2A Antibody [NB100-68264] - Inhibition of CIP2A by siRNA impeded cell viability & DNA synthesis in HPV‐16E6–expressing cells. A, Elevated expression of CIP2A protein in 16E6‐expressing RPE1 cells. B, Western blot analysis of CIP2A & p53 proteins after transfection with scrambled siRNA (siCon) or CIP2A siRNA (siCIP2A) for 48 h. A representative of 3 independent experiments is shown. C, Cell viability assay of RPE1‐16E6 cells with CIP2A knockdown. D, Representative flow cytometry of BrdU staining profiles is shown. E, The mean & SD of BrdU‐positive cells from 3 experiments are summarized. **, P < .01. Image collected & cropped by CiteAb from the following publication (https://pubmed.ncbi.nlm.nih.gov/29893470), licensed under a CC-BY license. Not internally tested by Novus Biologicals.
CIP2A Antibody

Western Blot: CIP2A Antibody [NB100-68264] -

Western Blot: CIP2A Antibody [NB100-68264] - Regulation of Cdk1 & Cdk2 by CIP2A is dependent on B‐Myb rather than c‐Myc. A, Western blot analysis of CIP2A, c‐Myc, phospho‐S62‐Myc & B‐Myb protein levels in 16E6‐expressing cells after CIP2A knockdown. beta ‐Tubulin was used as a loading control. B, Protein levels of B‐Myb, c‐Myc & phospho‐S62‐Myc in 16E6‐expressing PHKs & (C) RPE1 cells. D, Protein levels of B‐Myb, Cdk1 & Cdk2, CIP2A & p53 in 16E6‐expressing cells after B‐Myb knockdown with siRNA. Data from a representative of 3 experiments are shown. E, Knockdown of B‐Myb down‐regulates Cdk1 & Cdk2 luciferase reporter activities. RPE1 cells were cotransfected with the Cdk1 or Cdk2 promoter‐luciferase constructs & renilla luciferase control plasmid together with B‐Myb siRNA plasmid. Cells were harvested after 48 h, & lysates were assayed for luciferase activity. F, Flow cytometric analysis of 16E6‐expressing cells transfected with B‐Myb siRNA treated with PBS or bleomycin. G1, S & G2 phases are indicated. A representative flow cytometry of 3 independent experiments is shown. G, Quantification of percentages G1 phase cells. Data from 3 experiments are summarized. H, Western blot analysis of B‐Myb, Cdk1 & Cdk2 in B‐Myb–overexpressing CIP2A knockdown cells. Data from a representative of 3 experiments are shown. *, P < .05; ***, P < .001 Image collected & cropped by CiteAb from the following publication (https://pubmed.ncbi.nlm.nih.gov/29893470), licensed under a CC-BY license. Not internally tested by Novus Biologicals.
CIP2A Antibody

Western Blot: CIP2A Antibody [NB100-68264] -

Western Blot: CIP2A Antibody [NB100-68264] - Induction of CIP2A mRNA & protein expression by HPV‐16E6 in PHKs. A, mRNA expression of HPV‐16E6 in PHKs expressing 16E6 & F2V using beta ‐actin as a loading control. B, Protein levels of HPV‐16E6, p53 & p21 in PHKs expressing 16E6 & F2V. Expression of GAPDH was used as a loading control. A representative of 2 independent experiments is shown. C, HPV‐16E6 expression leads to increased protein expression of CIP2A in PHKs. Data from a representative of 3 experiments are shown. D, Data from 3 experiments are summarized. E, Relative CIP2A mRNA expression was determined by qRT‐PCR in the above cells. Data from 3 experiments are summarized. The mean & standard deviation (SD) of 3 independent experiments are shown. Babe, pBabe‐puromycin vector. *, P < .05; **, P < .01; & ***, P < .001 Image collected & cropped by CiteAb from the following publication (https://pubmed.ncbi.nlm.nih.gov/29893470), licensed under a CC-BY license. Not internally tested by Novus Biologicals.
CIP2A Antibody

Western Blot: CIP2A Antibody [NB100-68264] -

Western Blot: CIP2A Antibody [NB100-68264] - Regulation of Cdk1 & Cdk2 by CIP2A is dependent on B‐Myb rather than c‐Myc. A, Western blot analysis of CIP2A, c‐Myc, phospho‐S62‐Myc & B‐Myb protein levels in 16E6‐expressing cells after CIP2A knockdown. beta ‐Tubulin was used as a loading control. B, Protein levels of B‐Myb, c‐Myc & phospho‐S62‐Myc in 16E6‐expressing PHKs & (C) RPE1 cells. D, Protein levels of B‐Myb, Cdk1 & Cdk2, CIP2A & p53 in 16E6‐expressing cells after B‐Myb knockdown with siRNA. Data from a representative of 3 experiments are shown. E, Knockdown of B‐Myb down‐regulates Cdk1 & Cdk2 luciferase reporter activities. RPE1 cells were cotransfected with the Cdk1 or Cdk2 promoter‐luciferase constructs & renilla luciferase control plasmid together with B‐Myb siRNA plasmid. Cells were harvested after 48 h, & lysates were assayed for luciferase activity. F, Flow cytometric analysis of 16E6‐expressing cells transfected with B‐Myb siRNA treated with PBS or bleomycin. G1, S & G2 phases are indicated. A representative flow cytometry of 3 independent experiments is shown. G, Quantification of percentages G1 phase cells. Data from 3 experiments are summarized. H, Western blot analysis of B‐Myb, Cdk1 & Cdk2 in B‐Myb–overexpressing CIP2A knockdown cells. Data from a representative of 3 experiments are shown. *, P < .05; ***, P < .001 Image collected & cropped by CiteAb from the following publication (https://pubmed.ncbi.nlm.nih.gov/29893470), licensed under a CC-BY license. Not internally tested by Novus Biologicals.

Applications for CIP2A Antibody

Application
Recommended Usage

Immunohistochemistry

1:100-1:500

Immunohistochemistry-Paraffin

1:100-1:500

Immunoprecipitation

2-5 ug/mg lysate

Western Blot

1:2000-1:10000
Application Notes
Epitope retrieval with citrate buffer pH6.0 is recommended for FFPE tissue sections.

Formulation, Preparation, and Storage

Purification

Immunogen affinity purified

Formulation

TBS and 0.1% BSA

Preservative

0.09% Sodium Azide

Concentration

0.2 mg/ml

Shipping

The product is shipped with polar packs. Upon receipt, store it immediately at the temperature recommended below.

Stability & Storage

Store at 4C. Do not freeze.

Background: CIP2A

CIP2A (cancerous inhibitor of PP2A) was originally identified as p90, a cytoplasmic autoantigen found in the serum from a cancer patient. It was later described as a protein that interacted with the c-myc oncogene and functioned as an inhibitor of protein phosphatase 2A (PP2A) activity. Inhibition of PP2A phosphatase activity by CIP2A prevents c-myc phosphorylation and counteracts c-myc proteolytic degradation, thereby stabilizing c-myc and promoting cell growth and transformation. CIP2A is found to be over expressed in some human malignancies and is thus classified as an oncogene that may be an important contributor to tumor formation.

Alternate Names

Cancerous inhibitor of PP2A, CIP2A, FLJ12850, KIAA1524, MGC163436, p90, p90 autoantigen, protein CIP2A

Entrez Gene IDs

57650 (Human)

Gene Symbol

CIP2A

UniProt

Additional CIP2A Products

Product Documents for CIP2A Antibody

Certificate of Analysis

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Product Specific Notices for CIP2A Antibody

This product is for research use only and is not approved for use in humans or in clinical diagnosis. Primary Antibodies are guaranteed for 1 year from date of receipt.

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