OCT4 Antibody (NRG1.1)


Immunohistochemistry-Paraffin: OCT4 Antibody (NRG1.1) [NB110-90606] - Formalin fixed paraffin embedded human testicular seminoma stained with OCT-4 monoclonal antibody.

Product Details

Reactivity HuSpecies Glossary
Applications IHC, IHC-P
Please see the vial label for concentration. If unlisted please contact technical services.

Order Details

OCT4 Antibody (NRG1.1) Summary

BALB/C mice injected with synthetic peptide of human OCT-4 origin.
Embryonic Stem Cell Marker
OCT-4 immunostaining has been shown to be a sensitive and specific marker for seminomatous (dys)germinomatous tumours and in embryonal carcinoma variants of non-seminomatous GCTs, whether in primary gonadal or extragonadal sites or in metastatic lesions.
Protein A or G purified
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Test in a species/application not listed above to receive a full credit towards a future purchase.

Packaging, Storage & Formulations

Store at 4C. Do not freeze.
0.05% Sodium Azide
Protein A or G purified


  • Immunohistochemistry 1:25-1:100
  • Immunohistochemistry-Paraffin 1:25-1:100
Application Notes
For IHC: Formalin fixed paraffin embedded tissue sections require high temperature antigen unmasking with 10 mM citrate buffer, pH 6.0 prior to immunostaining.


Lot B081 concentration is 25 ug/ml

Alternate Names for OCT4 Antibody (NRG1.1)

  • class 5, transcription factor 1
  • MGC22487
  • Oct-3
  • OCT3Oct4
  • Oct-4
  • Octamer-binding protein 3
  • OTF3POU domain class 5, transcription factor 1
  • OTF4
  • POU class 5 homeobox 1
  • POU-type homeodomain-containing DNA-binding protein


Members of Oct family of transcription factors specifically interact with Octamer motif ATGCAAAT, a regulatory element important for tissue- and cell-specific transcription as well as for transcription of a number of housekeeping genes. All of the members of the Oct family contain two highly conserved domains which are separated by 14-26 variable amino acids. These include the POU homeodomain and the POU-specific domain. Both are required for DNA binding and are involved in protein-protein interactions. Evidences indicate that regulation of Oct family transcription factors occurs at the level of phosphorylation. Oct4 is renowned as a transcription factor expressed by undifferentiated embryonic stem cells and embryonic germ cells.


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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Positive Control Lysate(s)

Secondary Antibodies


Isotype Controls

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Nanog is a Master Controller of ES cell Pluripotency
Nanog, a homeodomain (HD) transcription factor, plays a critical role in the maintenance of embryonic stem (ES) cell self-renewal. Transcription regulator involved in inner cell mass and ES cell proliferation and self-renewal. Imposes pluripotency on...  Read full blog post.

Histones, Bmi1 & OCT4: Investigating the Secrets of ESC Pluripotency
Epigenetic alterations have come to prominence in biomedical research. In particular, hypermethylation of CpG islands located in the promoter regions of tumor-suppressor genes is now firmly established as an important mechanism for gene inactivation i...  Read full blog post.

Sox2 and Oct4: Roles in Embryonic Stem Cell Pluripotency
Embryonic stem (ES) cells are cells derived from the inner cell mass of the blastocyst, an early-stage embryo. ES cells are distinguished from other cells due to their pluripotency, which is the ability to differentiate into any different type of cell...  Read full blog post.

An Unlikely Pairing: The SOX2 Antibody and Breast Cancer
SOX2 encodes a member of the SOX (SRY-related HMG-box) family of transcription factors, which play a vital role in embryonic development. SOX2 antibody research has identified Sox2 as a key transcription factor in pluripotent stem cells. We at Novus B...  Read full blog post.

The Sox2 Antibody Aids Brain Cancer Research
The Sox2 antibody is widely used in sensory, neuroscience and stem cell marker research. Recently, Sox2 antibody preparations identified the Sox2 protein as a marker for malignant neural gliomas. We at Novus Biologicals offer a wide variety of highly...  Read full blog post.

Not as Pluripotent as You Used to Be: Embryonic Stem Cell Markers and the Aging Process
We at Novus Biologicals recently extended our antibody catalog to include several embryonic stem cells (ESC) antibodies validated for use in FACS (fluorescent activated cell sorting) assays. Among them was Oct4, which recently became the focus of an i...  Read full blog post.

Fluorescence Activated Cell Sorting Antibody Techniques
Recently, we at Novus Biologicals added several embryonic stem cell marker products to our antibody catalog, validated for use in fluorescent activated cell sorting (FACS) assays. They included Cripto1, PODXL, SSEA, OCT4, Nanog, SOX2, TRA-1, TERT and...  Read full blog post.

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Product PDFs


Gene Symbol POU5F1

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