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P0082

Sigma-Aldrich

Monoclonal Anti-POU5F1 (Oct4) antibody produced in mouse

~1.0 mg/mL, clone PF-29, purified immunoglobulin, buffered aqueous solution

Synonym(s):

Anti-OCT3, Anti-OCT4, Anti-OTF3, Anti-POU domain, class 5, transcription factor 1

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About This Item

UNSPSC Code:
12352203

biological source

mouse

Quality Level

200

conjugate

unconjugated

antibody form

purified immunoglobulin

antibody product type

primary antibodies

clone

PF-29, monoclonal

form

buffered aqueous solution

mol wt

antigen ~43 kDa

species reactivity

human

concentration

~1.0 mg/mL

technique(s)

immunocytochemistry: suitable
indirect ELISA: suitable
western blot: 0.5-1 μg/mL using NT2/D1 total cell extract

UniProt accession no.

Q01860

shipped in

dry ice

storage temp.

−20°C

target post-translational modification

unmodified

Gene Information

human ... POU5F1(5460)

General description

Monoclonal Anti-POU5F1 (Oct4) (mouse IgG2a isotype) is derived from the hybridoma PF-29 produced by the fusion of mouse myeloma cells and splenocytes from BALB/c mice, immunized with a peptide.
POU5F1 (POU class 5 homeobox 1) gene codes for a transcription factor that binds to octamer sequence. POU5F1 is mapped to human chromosome 6p21.33.

Specificity

Monoclonal Anti-POU5F1 (Oct4) recognizes human POU5F1/Oct4.

Immunogen

amino acids 20-37 of human POU5F1 peptide.

Application

Monoclonal Anti-POU5F1 (Oct4) antibody produced in mouse may be used in:
  • immunoblotting
  • immunocytochemistry
  • enzyme-linked immunosorbent assay (ELISA)

Biochem/physiol Actions

POU5F1 (POU class 5 homeobox 1) controls homeostasis of embryonic cell development and pluripotency. The POU5F1 gene is highly expressed in cancer cells and offers resistance against chemotherapy.
POU5F1 protein functions as an early developmental control gene. This protein has been recognized as fundamental in the maintenance of pluripotency of embryonic stem cells and primordial germ cells. POU5F1 protein has been proposed as a useful marker for germ cell tumors (GCTs) that can exhibit pluripotential, specifically seminoma/ dysgerminoma/germinoma and embryonal carcinoma (EC). POU5F1 has also been established as a marker for extragonadal germ cell tumors (GCT) and metastatic tumors.

Physical form

Solution in 0.01 M phosphate buffered saline, pH 7.4, containing 15 mM sodium azide.

Storage and Stability

For continuous use, store at 2-8 °C for up to one month. For extended storage, freeze at -20 °C in working aliquots. Repeated freezing and thawing, or storage in “frost-free” freezers, is not recommended. If slight turbidity occurs upon prolonged storage, clarify the solution by centrifugation before use. Working dilution samples should be discarded if not used within 12 hours.

Disclaimer

Unless otherwise stated in our catalog or other company documentation accompanying the product(s), our products are intended for research use only and are not to be used for any other purpose, which includes but is not limited to, unauthorized commercial uses, in vitro diagnostic uses, ex vivo or in vivo therapeutic uses or any type of consumption or application to humans or animals.

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Storage Class

10 - Combustible liquids

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, multi-purpose combination respirator cartridge (US)

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Minimum regions of genomic imbalance in stage I testicular embryonal carcinoma and association of 22q loss with relapse.
Gilbert D C, et al.
Genes Chromosomes Cancer, 50(3), 186-195 (2011)
Timothy D Jones et al.
The American journal of surgical pathology, 28(7), 935-940 (2004-06-30)
OCT4 (POU5F1) is a transcription factor expressed in embryonic stem and germ cells and is involved in the regulation and maintenance of pluripotency. It has been detected in primary testicular germ cell tumors with pluripotent potential, seminoma, and embryonal carcinoma.
Chemotherapeutics-induced Oct4 expression contributes to drug resistance and tumor recurrence in bladder cancer.
Lu C S, et al.
Oncotarget, 8(19), 30844-30844 (2017)
Ming-Tse Sung et al.
Human pathology, 37(6), 662-667 (2006-05-31)
Correctly diagnosing a metastatic germ cell tumor after chemotherapy may be challenging because of the diverse morphological manifestations of postchemotherapy tumors. Both OCT4 and CD30 are sensitive markers for the identification of primary embryonal carcinomas; however, loss of expression of
Clinical significance of putative markers of cancer stem cells in gastric cancer: A retrospective cohort study.
Chen X L, et al.
Oncotarget, 7(38), 62049-62049 (2016)
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