Invitrogen

OCT3/4 Monoclonal Antibody (EM92), eFluor™ 570, eBioscience™

2 Published Figures
2 References
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Datasheet
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Datasheet
Protocols
Questions & Answers

Product Details

41-5841-80

Applications
Tested Dilution
Publications

Immunocytochemistry (ICC/IF)

5 µg/mL
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Product Specifications

Species Reactivity

Human, Mouse

Published species

Not Applicable

Host/Isotype

Rat / IgG2a, kappa

Recommended Isotype Control

Rat IgG2a kappa Isotype Control (eBR2a), eFluor™ 570, eBioscience™

Class

Monoclonal

Type

Antibody

Clone

EM92

Conjugate

eFluor™ 570 eFluor™ 570 eFluor™ 570

Excitation/Emission Max

556/569 nm View spectra spectra

Form

Liquid

Concentration

0.2 mg/mL

Purification

Affinity chromatography

Storage buffer

PBS, pH 7.2

Contains

0.09% sodium azide

Storage conditions

4° C, store in dark, DO NOT FREEZE!

Shipping conditions

Ambient (domestic); Wet ice (international)

RRID

AB_11219675

Product Specific Information

Description: The EM92 monoclonal antibody reacts with mouse and human Oct3/4, encoded by the Pou5F1 gene. Oct3/4 is a POU domain-containing transcription factor that is critical for maintaining embryonic stem (ES) and induced pluripotent stem (iPS) cells in a pluripotent state, and is expressed by ES, embryonic germ cells and embryonic carcinoma cell lines. In cells of the inner cell mass (ICM), reduction of Oct3/4 expression causes dedifferentiation to trophoectoderm, whereas increased expression results in differentiation to mesoderm and primitive endoderm. Oct3/4 regulates the expression of several genes, including FGF-4, UTF1, Sox2, Fbx15, Rex1 and osteopontin through distinct mechanisms. Furthermore, Oct3/4 frequently acts synergistically with Sox2 to regulate target gene expression, as is the case with FGF-4. It has been demonstrated that Oct3/4 expression in ES cells can be negatively regulated by either treatment with retinoic acid, or by removal of leukemia-inhibitory factor (LIF).

Applications Reported: This EM92 antibody has been reported for use in immunocytochemistry.

Applications Tested: This EM92 antibody has been tested by immunocytochemistry on fixed and permeabilized F9 cells at less than or equal to 5 µg/mL. It is recommended that the antibody be carefully titrated for optimal performance in the assay of interest. This product has not been validated for flow cytometric analysis.

Filter Recommendation: When using this eFluor® 570 antibody conjugate, we recommend a filter that will capture the 570 emission wavelength (for example, Excitation 545/25, 565LP, Emission 605/70). A standard Alexa Fluor® 555 or TRITC filter is acceptable.

Excitation: 555 nm; Emission: 570 nm

Target Information

POU5F1, also commonly known as Oct-4, is a maternally expressed octamer-binding protein that was the first transcription factor described for the early stages of development. The role of POU5F1 in embryonic development suggested that it might be useful in the creation of stem cells that might be useful in cell replacement therapies in the treatment of several degenerative diseases. Artificial stem cells, termed induced pluripotent stem (iPS) cells, can be created by expressing POU5F1 and the transcription factors Sox2, Klf4 and Lin28 along with c-Myc in mouse fibroblasts. More recently, experiments have demonstrated that iPS cells could be generated using expression plasmids expressing POU5F1, Sox2, KlfF4 and c-Myc, eliminating the need for virus introduction, thereby addressing a safety concern for potential use of iPS cells in regenerative medicine.

For Research Use Only. Not for use in diagnostic procedures. Not for resale without express authorization.

Bioinformatics

Protein Aliases: 3-Oct; 4-Oct; DADB-104B20.2; gp-9; HGNC:9221; MGC22487; NF-A3; Oct-3; Oct-4; Octamer-binding protein 3; Octamer-binding protein 4; Octamer-binding transcription factor 3; OTF-3; OTTHUMP00000221150; OTTHUMP00000221151; POU class 5 homeobox 1 transcript variant OCT4B1; POU class 5 homeobox 1 transcript variant OCT4B2; POU class 5 homeobox 1 transcript variant OCT4B3; POU class 5 homeobox 1 transcript variant OCT4B4; POU class 5 homeobox 1 transcript variant OCT4B5; POU class 5 homeobox 1 transcript variant OCT4B6; POU domain class 5 transcription factor 1; POU domain transcription factor OCT4; POU domain, class 5, transcription factor 1; pou-2; POU-type homeodomain-containing DNA-binding protein; pou2

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Gene Aliases: NF-A3; Oct-3; Oct-3/4; Oct-4; OCT3; Oct3/4; OCT4; OTF-3; Otf-4; OTF3; Otf3-rs7; Otf3g; OTF4; POU5F1

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UniProt ID: (Human) Q01860, (Mouse) P20263

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Entrez Gene ID: (Human) 5460, (Mouse) 18999

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Function(s)
transcription regulatory region sequence-specific DNA binding RNA polymerase II transcription factor activity, sequence-specific DNA binding transcriptional repressor activity, RNA polymerase II transcription regulatory region sequence-specific binding DNA binding transcription factor activity, sequence-specific DNA binding protein binding ubiquitin protein ligase binding miRNA binding sequence-specific DNA binding poly(A) RNA binding RNA polymerase II core promoter proximal region sequence-specific DNA binding transcriptional activator activity, RNA polymerase II core promoter proximal region sequence-specific binding RNA polymerase II transcription coactivator activity chromatin binding transcription corepressor activity transcription factor binding chromatin DNA binding transcription regulatory region DNA binding protein heterodimerization activity POU domain binding HMG box domain binding
Process(es)
negative regulation of transcription from RNA polymerase II promoter mesodermal cell fate commitment endodermal cell fate commitment ectodermal cell fate commitment endodermal cell fate specification trophectodermal cell differentiation blastocyst growth BMP signaling pathway involved in heart induction transcription, DNA-templated regulation of transcription, DNA-templated transcription from RNA polymerase II promoter multicellular organism development response to organic substance regulation of gene expression stem cell population maintenance germ-line stem cell population maintenance response to retinoic acid somatic stem cell population maintenance positive regulation of catenin import into nucleus mRNA transcription from RNA polymerase II promoter cell fate commitment negative regulation of cell differentiation negative regulation of transcription, DNA-templated positive regulation of transcription, DNA-templated positive regulation of transcription from RNA polymerase II promoter negative regulation of calcium ion-dependent exocytosis stem cell differentiation positive regulation of protein kinase B signaling negative regulation of protein kinase B signaling positive regulation of SMAD protein import into nucleus cell fate commitment involved in formation of primary germ layer cardiac cell fate determination negative regulation of gene silencing by miRNA regulation of heart induction by regulation of canonical Wnt signaling pathway regulation of methylation-dependent chromatin silencing blastocyst development response to wounding anatomical structure morphogenesis regulation of asymmetric cell division
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