OCT4 Antibody [DyLight 550]


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Product Details

Reactivity Hu, Mu, Rt, PmSpecies Glossary
Applications WB
Please see the vial label for concentration. If unlisted please contact technical services.

OCT4 Antibody [DyLight 550] Summary

A synthetic peptide made to an internal portion of the human OCT4 protein (between residues 100-200) [UniProt# Q01860]
Embryonic Stem Cell Marker
Predicted Species
Porcine (93%), Feline (93%), Bovine (93%)
Immunogen affinity purified
Innovator's Reward
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Packaging, Storage & Formulations

Store at 4C in the dark.
DyLight 550
DyLight 550 (A=562, E=576)
50mM Sodium Borate
0.05% Sodium Azide
Please see the vial label for concentration. If unlisted please contact technical services.
Immunogen affinity purified


  • Western Blot 2 ug/ml
Application Notes
This OCT4 antibody is useful for Immunocytochemistry/Immunofluorescence, Flow Cytometry, and Western blot where a band is seen at ~40 kDa.

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.
Theoretical MW
40 kDa

Reactivity Notes

Human, monkey, rat, mouse. Immunogen has 93% homology to cow, feline and pig. Customer feedback suggests that this antibody does not give good results in IHC-P on feline tissues.


Dylight (R) is a trademark of Thermo Fisher Scientific Inc. and its subsidiaries.

Alternate Names for OCT4 Antibody [DyLight 550]

  • 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


Stem cells are crucial ingredients in the progressive restriction of cellular developmental capacity during mammalian embryogenesis. Until recently, only embryonic stem cells (ESC) had been shown to exhibit the potential to differentiate into cells of the all three germ layers. However, adult stem cells (ASC) can regain pluripotency (potential to differentiate into various lineages) if transferred from one stem-cell microenvironment into another. The transcription factor OCT4, expressed in ESCs and germ cells, is strongly implicated in the process of maintaining as well as regaining stem-cell pluripotency and functions as a key regulator of mammalian germline development.


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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Product General Protocols

Find general support by application which include: protocols, troubleshooting, illustrated assays, videos and webinars.

Video Protocols

WB Video Protocol

FAQs for OCT4 Antibody (NB100-2379R) (0)

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Secondary Antibodies


Isotype Controls

Other Available Formats

Biotin Labeled NB100-2379B
DyLight 488 Labeled NB100-2379G
DyLight 650 Labeled NB100-2379C
HRP Labeled NB100-2379H

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Blogs on OCT4.

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.

Contact Information

Product PDFs


Gene Symbol POU5F1

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