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Western Blot (WB) (Figure 1. Western blot analysis of REA/PHB2 using anti-REA/PHB2 antibody (MBS1754022).Electrophoresis was performed on a 5-20% SDS-PAGE gel at 70V (Stacking gel) / 90V (Resolving gel) for 2-3 hours. The sample well of each lane was loaded with 30ug of sample under reducing conditions.Lane 1: human Hela whole cell lysatesLane 2: human HEK293 whole cell lysatesLane 3: rat brain tissue lysatesLane 4: rat heart tissue lysatesLane 5: rat liver tissue lysatesLane 6: mouse brain tissue lysatesLane 7: mouse heart tissue lysatesLane 8: mouse liver tissue lysates.After Electrophoresis, proteins were transferred to a Nitrocellulose membrane at 150mA for 50-90 minutes. Blocked the membrane with 5% Non-fat Milk/ TBS for 1. 5 hour at RT. The membrane was incubated with mouse anti- REA/PHB2 antigen affinity purified monoclonal antibody (Catalog # MBS1754022) at 0. 25 μg/mL overnight at 4 degree C, then washed with TBS-0. 1%Tween 3 times with 5 minutes each and probed with a goat anti-mouse IgG-HRP secondary antibody at a dilution of 1:10000 for 1. 5 hour at RT. The signal is developed using an Enhanced Chemiluminescent detection (ECL) kit (Catalog # MBS176445) with Tanon 5200 system. A specific band was detected for REA/PHB2 at approximately 32KD. The expected band size for REA/PHB2 is at 32KD. )

Mouse REA/PHB2 Monoclonal Antibody | anti-PHB2 antibody

Anti-REA/PHB2 Antibody (monoclonal, 2B5)

Gene Names
PHB2; BAP; REA; p22; Bap37; BCAP37; PNAS-141
Reactivity
Human, Mouse, Rat
Applications
Western Blot, Immunohistochemistry, Flow Cytometry, Functional Assay
Purity
Immunogen affinity purified.
Synonyms
REA/PHB2; Monoclonal Antibody; Anti-REA/PHB2 Antibody (monoclonal; 2B5); PHB2; BAP; REA; Prohibitin-2; B-cell receptor-associated protein BAP37; D-prohibitin; Repressor of estrogen receptor activity; prohibitin 2; anti-PHB2 antibody
Ordering
For Research Use Only!
Host
Mouse
Reactivity
Human, Mouse, Rat
Clonality
Monoclonal
Isotype
Mouse IgG2b
Clone Number
2B5
Specificity
Mouse IgG monoclonal antibody for REA/PHB2 detection.
Purity/Purification
Immunogen affinity purified.
Form/Format
Lyophilized. Each vial contains 4mg Trehalose, 0.9mg NaCl and 0.2mg Na2HPO4.
Applicable Applications for anti-PHB2 antibody
Western Blot (WB), Immunohistochemistry-Paraffin (IHC-P), Flow Cytometry (FC/FACS/FCM)
Application Notes
WB: 0.1-0.25ug/ml|Human, Mouse, Rat|
IHC-P: 2-5ug/ml|Human, Mouse, Rat|
FC/FACS/FCM: 1-3ug/1x106 cells|Human|
Immunogen
E Coli-derived human REA/PHB2 recombinant protein (Position: M1-K299).
Reconstitution
Add 0.2ml of distilled water will yield a concentration of 500ug/ml.
Recommended Detection Systems
Recommended Detection Systems
Preparation and Storage
Store at -20 degree C for one year. After reconstitution, at 4 degree C for one month. It can also be aliquotted and stored frozen at -20 degree C for a longer time. Avoid repeated freezing and thawing.

Western Blot (WB)

(Figure 1. Western blot analysis of REA/PHB2 using anti-REA/PHB2 antibody (MBS1754022).Electrophoresis was performed on a 5-20% SDS-PAGE gel at 70V (Stacking gel) / 90V (Resolving gel) for 2-3 hours. The sample well of each lane was loaded with 30ug of sample under reducing conditions.Lane 1: human Hela whole cell lysatesLane 2: human HEK293 whole cell lysatesLane 3: rat brain tissue lysatesLane 4: rat heart tissue lysatesLane 5: rat liver tissue lysatesLane 6: mouse brain tissue lysatesLane 7: mouse heart tissue lysatesLane 8: mouse liver tissue lysates.After Electrophoresis, proteins were transferred to a Nitrocellulose membrane at 150mA for 50-90 minutes. Blocked the membrane with 5% Non-fat Milk/ TBS for 1. 5 hour at RT. The membrane was incubated with mouse anti- REA/PHB2 antigen affinity purified monoclonal antibody (Catalog # MBS1754022) at 0. 25 μg/mL overnight at 4 degree C, then washed with TBS-0. 1%Tween 3 times with 5 minutes each and probed with a goat anti-mouse IgG-HRP secondary antibody at a dilution of 1:10000 for 1. 5 hour at RT. The signal is developed using an Enhanced Chemiluminescent detection (ECL) kit (Catalog # MBS176445) with Tanon 5200 system. A specific band was detected for REA/PHB2 at approximately 32KD. The expected band size for REA/PHB2 is at 32KD. )

Western Blot (WB) (Figure 1. Western blot analysis of REA/PHB2 using anti-REA/PHB2 antibody (MBS1754022).Electrophoresis was performed on a 5-20% SDS-PAGE gel at 70V (Stacking gel) / 90V (Resolving gel) for 2-3 hours. The sample well of each lane was loaded with 30ug of sample under reducing conditions.Lane 1: human Hela whole cell lysatesLane 2: human HEK293 whole cell lysatesLane 3: rat brain tissue lysatesLane 4: rat heart tissue lysatesLane 5: rat liver tissue lysatesLane 6: mouse brain tissue lysatesLane 7: mouse heart tissue lysatesLane 8: mouse liver tissue lysates.After Electrophoresis, proteins were transferred to a Nitrocellulose membrane at 150mA for 50-90 minutes. Blocked the membrane with 5% Non-fat Milk/ TBS for 1. 5 hour at RT. The membrane was incubated with mouse anti- REA/PHB2 antigen affinity purified monoclonal antibody (Catalog # MBS1754022) at 0. 25 μg/mL overnight at 4 degree C, then washed with TBS-0. 1%Tween 3 times with 5 minutes each and probed with a goat anti-mouse IgG-HRP secondary antibody at a dilution of 1:10000 for 1. 5 hour at RT. The signal is developed using an Enhanced Chemiluminescent detection (ECL) kit (Catalog # MBS176445) with Tanon 5200 system. A specific band was detected for REA/PHB2 at approximately 32KD. The expected band size for REA/PHB2 is at 32KD. )

Immunohistochemistry (IHC)

(Figure 2. IHC analysis of REA/PHB2 using anti-REA/PHB2 antibody (MBS1754022).REA/PHB2 was detected in paraffin-embedded section of human gallbladder adenocarcinoma tissue. Heat mediated antigen retrieval was performed in EDTA buffer (pH8. 0, epitope retrieval solution). The tissue section was blocked with 10% goat serum. The tissue section was then incubated with 2μg/ml mouse anti-REA/PHB2 Antibody (MBS1754022) overnight at 4 degree C. Biotinylated goat anti-mouse IgG was used as secondary antibody and incubated for 30 minutes at 37 degree C. The tissue section was developed using Strepavidin-Biotin-Complex (SABC) (Catalog # MBS176438) with DAB as the chromogen. )

Immunohistochemistry (IHC) (Figure 2. IHC analysis of REA/PHB2 using anti-REA/PHB2 antibody (MBS1754022).REA/PHB2 was detected in paraffin-embedded section of human gallbladder adenocarcinoma tissue. Heat mediated antigen retrieval was performed in EDTA buffer (pH8. 0, epitope retrieval solution). The tissue section was blocked with 10% goat serum. The tissue section was then incubated with 2μg/ml mouse anti-REA/PHB2 Antibody (MBS1754022) overnight at 4 degree C. Biotinylated goat anti-mouse IgG was used as secondary antibody and incubated for 30 minutes at 37 degree C. The tissue section was developed using Strepavidin-Biotin-Complex (SABC) (Catalog # MBS176438) with DAB as the chromogen. )

Immunohistochemistry (IHC)

(Figure 3. IHC analysis of REA/PHB2 using anti-REA/PHB2 antibody (MBS1754022).REA/PHB2 was detected in paraffin-embedded section of human ovarian serous adenocarcinoma tissue. Heat mediated antigen retrieval was performed in EDTA buffer (pH8. 0, epitope retrieval solution). The tissue section was blocked with 10% goat serum. The tissue section was then incubated with 2μg/ml mouse anti-REA/PHB2 Antibody (MBS1754022) overnight at 4 degree C. Biotinylated goat anti-mouse IgG was used as secondary antibody and incubated for 30 minutes at 37 degree C. The tissue section was developed using Strepavidin-Biotin-Complex (SABC) (Catalog # MBS176438) with DAB as the chromogen. )

Immunohistochemistry (IHC) (Figure 3. IHC analysis of REA/PHB2 using anti-REA/PHB2 antibody (MBS1754022).REA/PHB2 was detected in paraffin-embedded section of human ovarian serous adenocarcinoma tissue. Heat mediated antigen retrieval was performed in EDTA buffer (pH8. 0, epitope retrieval solution). The tissue section was blocked with 10% goat serum. The tissue section was then incubated with 2μg/ml mouse anti-REA/PHB2 Antibody (MBS1754022) overnight at 4 degree C. Biotinylated goat anti-mouse IgG was used as secondary antibody and incubated for 30 minutes at 37 degree C. The tissue section was developed using Strepavidin-Biotin-Complex (SABC) (Catalog # MBS176438) with DAB as the chromogen. )

Immunohistochemistry (IHC)

(Figure 4. IHC analysis of REA/PHB2 using anti-REA/PHB2 antibody (MBS1754022).REA/PHB2 was detected in paraffin-embedded section of human renal clear cell carcinoma tissue. Heat mediated antigen retrieval was performed in EDTA buffer (pH8. 0, epitope retrieval solution). The tissue section was blocked with 10% goat serum. The tissue section was then incubated with 2μg/ml mouse anti-REA/PHB2 Antibody (MBS1754022) overnight at 4 degree C. Biotinylated goat anti-mouse IgG was used as secondary antibody and incubated for 30 minutes at 37 degree C. The tissue section was developed using Strepavidin-Biotin-Complex (SABC) (Catalog # MBS176438) with DAB as the chromogen. )

Immunohistochemistry (IHC) (Figure 4. IHC analysis of REA/PHB2 using anti-REA/PHB2 antibody (MBS1754022).REA/PHB2 was detected in paraffin-embedded section of human renal clear cell carcinoma tissue. Heat mediated antigen retrieval was performed in EDTA buffer (pH8. 0, epitope retrieval solution). The tissue section was blocked with 10% goat serum. The tissue section was then incubated with 2μg/ml mouse anti-REA/PHB2 Antibody (MBS1754022) overnight at 4 degree C. Biotinylated goat anti-mouse IgG was used as secondary antibody and incubated for 30 minutes at 37 degree C. The tissue section was developed using Strepavidin-Biotin-Complex (SABC) (Catalog # MBS176438) with DAB as the chromogen. )

Immunohistochemistry (IHC)

(Figure 5. IHC analysis of REA/PHB2 using anti-REA/PHB2 antibody (MBS1754022).REA/PHB2 was detected in paraffin-embedded section of human lung cancer tissue. Heat mediated antigen retrieval was performed in EDTA buffer (pH8. 0, epitope retrieval solution). The tissue section was blocked with 10% goat serum. The tissue section was then incubated with 2μg/ml mouse anti-REA/PHB2 Antibody (MBS1754022) overnight at 4 degree C. Biotinylated goat anti-mouse IgG was used as secondary antibody and incubated for 30 minutes at 37 degree C. The tissue section was developed using Strepavidin-Biotin-Complex (SABC) (Catalog # MBS176438) with DAB as the chromogen. )

Immunohistochemistry (IHC) (Figure 5. IHC analysis of REA/PHB2 using anti-REA/PHB2 antibody (MBS1754022).REA/PHB2 was detected in paraffin-embedded section of human lung cancer tissue. Heat mediated antigen retrieval was performed in EDTA buffer (pH8. 0, epitope retrieval solution). The tissue section was blocked with 10% goat serum. The tissue section was then incubated with 2μg/ml mouse anti-REA/PHB2 Antibody (MBS1754022) overnight at 4 degree C. Biotinylated goat anti-mouse IgG was used as secondary antibody and incubated for 30 minutes at 37 degree C. The tissue section was developed using Strepavidin-Biotin-Complex (SABC) (Catalog # MBS176438) with DAB as the chromogen. )

Immunohistochemistry (IHC)

(Figure 6. IHC analysis of REA/PHB2 using anti-REA/PHB2 antibody (MBS1754022).REA/PHB2 was detected in paraffin-embedded section of mouse colon tissue. Heat mediated antigen retrieval was performed in EDTA buffer (pH8. 0, epitope retrieval solution). The tissue section was blocked with 10% goat serum. The tissue section was then incubated with 2μg/ml mouse anti-REA/PHB2 Antibody (MBS1754022) overnight at 4 degree C. Biotinylated goat anti-mouse IgG was used as secondary antibody and incubated for 30 minutes at 37 degree C. The tissue section was developed using Strepavidin-Biotin-Complex (SABC) (Catalog # MBS176438) with DAB as the chromogen. )

Immunohistochemistry (IHC) (Figure 6. IHC analysis of REA/PHB2 using anti-REA/PHB2 antibody (MBS1754022).REA/PHB2 was detected in paraffin-embedded section of mouse colon tissue. Heat mediated antigen retrieval was performed in EDTA buffer (pH8. 0, epitope retrieval solution). The tissue section was blocked with 10% goat serum. The tissue section was then incubated with 2μg/ml mouse anti-REA/PHB2 Antibody (MBS1754022) overnight at 4 degree C. Biotinylated goat anti-mouse IgG was used as secondary antibody and incubated for 30 minutes at 37 degree C. The tissue section was developed using Strepavidin-Biotin-Complex (SABC) (Catalog # MBS176438) with DAB as the chromogen. )

Immunohistochemistry (IHC)

(Figure 7. IHC analysis of REA/PHB2 using anti-REA/PHB2 antibody (MBS1754022).REA/PHB2 was detected in paraffin-embedded section of rat colon tissue. Heat mediated antigen retrieval was performed in EDTA buffer (pH8. 0, epitope retrieval solution). The tissue section was blocked with 10% goat serum. The tissue section was then incubated with 2μg/ml mouse anti-REA/PHB2 Antibody (MBS1754022) overnight at 4 degree C. Biotinylated goat anti-mouse IgG was used as secondary antibody and incubated for 30 minutes at 37 degree C. The tissue section was developed using Strepavidin-Biotin-Complex (SABC) (Catalog # MBS176438) with DAB as the chromogen. )

Immunohistochemistry (IHC) (Figure 7. IHC analysis of REA/PHB2 using anti-REA/PHB2 antibody (MBS1754022).REA/PHB2 was detected in paraffin-embedded section of rat colon tissue. Heat mediated antigen retrieval was performed in EDTA buffer (pH8. 0, epitope retrieval solution). The tissue section was blocked with 10% goat serum. The tissue section was then incubated with 2μg/ml mouse anti-REA/PHB2 Antibody (MBS1754022) overnight at 4 degree C. Biotinylated goat anti-mouse IgG was used as secondary antibody and incubated for 30 minutes at 37 degree C. The tissue section was developed using Strepavidin-Biotin-Complex (SABC) (Catalog # MBS176438) with DAB as the chromogen. )

Flow Cytometry (FC/FACS)

(Figure 8. Flow Cytometry analysis of HepG2 cells using anti-REA/PHB2 antibody (MBS1754022).Overlay histogram showing HepG2 cells stained with MBS1754022 (Blue line). The cells were blocked with 10% normal goat serum. And then incubated with mouse anti- REA/PHB2 Antibody (MBS1754022, 1μg/1x106 cells) for 30 min at 20 degree C. DyLight®488 conjugated goat anti-mouse IgG (BA1126, 5-10μg/1x106 cells) was used as secondary antibody for 30 minutes at 20 degree C. Isotype control antibody (Green line) was mouse IgG (1μg/1x106) used under the same conditions. Unlabelled sample (Red line) was also used as a control. )

Flow Cytometry (FC/FACS) (Figure 8. Flow Cytometry analysis of HepG2 cells using anti-REA/PHB2 antibody (MBS1754022).Overlay histogram showing HepG2 cells stained with MBS1754022 (Blue line). The cells were blocked with 10% normal goat serum. And then incubated with mouse anti- REA/PHB2 Antibody (MBS1754022, 1μg/1x106 cells) for 30 min at 20 degree C. DyLight®488 conjugated goat anti-mouse IgG (BA1126, 5-10μg/1x106 cells) was used as secondary antibody for 30 minutes at 20 degree C. Isotype control antibody (Green line) was mouse IgG (1μg/1x106) used under the same conditions. Unlabelled sample (Red line) was also used as a control. )
Related Product Information for anti-PHB2 antibody
PHB2(Prohibitin 2), also called Repressor of Estrogen Receptor Activity(REA), is a protein that in humans is encoded by the PHB2 gene. The International Radiation Hybrid Mapping Consortium mapped the PHB2 gene to chromosome 12. Montano et al. (1999) showed that REA enhanced the potency of a dominant-negative ER-alpha mutant and antiestrogens as suppressors of ER-alpha activity in Chinese hamster ovary cells. When coexpressed with wildtype ER-alpha or ER-beta(ESR2), REA suppressed activation of a reporter gene in a dose-dependent manner. REA had no effect on reporter activity in the absence of liganded ER, and it had no effect on the transcriptional activities of other hormone receptors. Mutation analysis showed that an N-terminal domain and a central domain of REA were required for its repressor activity.
References
1. Merkwirth, C., Dargazanli, S., Tatsuta, T., Geimer, S., Lower, B., Wunderlich, F. T., von Kleist-Retzow, J. -C., Waisman, A., Westermann, B., Langer, T. Prohibitins control cell proliferation and apoptosis by regulating OPA1-dependent cristae morphogenesis in mitochondria. Genes Dev. 22: 476-488, 2008.
2. Montano, M. M., Ekena, K., Delage-Mourroux, R., Chang, W., Martini, P., Katzenellenbogen, B. S. An estrogen receptor-selective coregulator that potentiates the effectiveness of antiestrogens and represses the activity of estrogens. Proc. Nat. Acad. Sci. 96: 6947-6952, 1999.
3. Mussi, P., Liao, L., Park, S. -E., Ciana, P., Maggi, A., Katzenellenbogen, B. S., Xu, J., O'Malley, B. W. Haploinsufficiency of the corepressor of estrogen receptor activity (REA) enhances estrogen receptor function in the mammary gland. Proc. Nat. Acad. Sci. 103: 16716-16721, 2006.

NCBI and Uniprot Product Information

NCBI GI #
NCBI GeneID
UniProt Accession #
Molecular Weight
299
NCBI Official Full Name
Prohibitin-2
NCBI Official Synonym Full Names
prohibitin 2
NCBI Official Symbol
PHB2
NCBI Official Synonym Symbols
BAP; REA; p22; Bap37; BCAP37; PNAS-141
NCBI Protein Information
prohibitin-2; PHB2; D-prohibitin; B-cell associated protein; repressor of estrogen receptor activity; B-cell receptor-associated protein BAP37
UniProt Protein Name
Prohibitin-2
Protein Family
UniProt Gene Name
PHB2
UniProt Entry Name
PHB2_HUMAN

Uniprot Description

BAP37: a protein of the band 7 family. This family includes the prohibitins, cytoplasmic anti-proliferative proteins and stomatin, an erythrocyte membrane protein. A repressor of estrogen receptor (ER) activity. Reverses steroid receptor coactivator 1 enhancement of ER activity. May play a role in determining the sensitivity of estrogen target cells to antiestrogen and estrogen therapy.

Protein type: Mitochondrial; Nuclear receptor co-regulator; Transcription, coactivator/corepressor

Chromosomal Location of Human Ortholog: 12p13

Cellular Component: protein complex; nuclear matrix; mitochondrion; mitochondrial inner membrane; nucleus

Molecular Function: protein binding; estrogen receptor binding

Biological Process: transcription, DNA-dependent; negative regulation of transcription, DNA-dependent; negative regulation of mammary gland epithelial cell proliferation; negative regulation of estrogen receptor signaling pathway

Research Articles on PHB2

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Product Notes

The PHB2 phb2 (Catalog #AAA1754022) is an Antibody produced from Mouse and is intended for research purposes only. The product is available for immediate purchase. The Anti-REA/PHB2 Antibody (monoclonal, 2B5) reacts with Human, Mouse, Rat and may cross-react with other species as described in the data sheet. AAA Biotech's REA/PHB2 can be used in a range of immunoassay formats including, but not limited to, Western Blot (WB), Immunohistochemistry-Paraffin (IHC-P), Flow Cytometry (FC/FACS/FCM). WB: 0.1-0.25ug/ml|Human, Mouse, Rat| IHC-P: 2-5ug/ml|Human, Mouse, Rat| FC/FACS/FCM: 1-3ug/1x106 cells|Human|. Researchers should empirically determine the suitability of the PHB2 phb2 for an application not listed in the data sheet. Researchers commonly develop new applications and it is an integral, important part of the investigative research process. It is sometimes possible for the material contained within the vial of "REA/PHB2, Monoclonal Antibody" to become dispersed throughout the inside of the vial, particularly around the seal of said vial, during shipment and storage. We always suggest centrifuging these vials to consolidate all of the liquid away from the lid and to the bottom of the vial prior to opening. Please be advised that certain products may require dry ice for shipping and that, if this is the case, an additional dry ice fee may also be required.

Precautions

All products in the AAA Biotech catalog are strictly for research-use only, and are absolutely not suitable for use in any sort of medical, therapeutic, prophylactic, in-vivo, or diagnostic capacity. By purchasing a product from AAA Biotech, you are explicitly certifying that said products will be properly tested and used in line with industry standard. AAA Biotech and its authorized distribution partners reserve the right to refuse to fulfill any order if we have any indication that a purchaser may be intending to use a product outside of our accepted criteria.

Disclaimer

Though we do strive to guarantee the information represented in this datasheet, AAA Biotech cannot be held responsible for any oversights or imprecisions. AAA Biotech reserves the right to adjust any aspect of this datasheet at any time and without notice. It is the responsibility of the customer to inform AAA Biotech of any product performance issues observed or experienced within 30 days of receipt of said product. To see additional details on this or any of our other policies, please see our Terms & Conditions page.

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