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Key Documents

07-702

Sigma-Aldrich

Anti-FOXO3a/FKHRL1 Antibody

Upstate®, from rabbit

Synonym(s):

AF6q21 protein, Forkhead in rhabdomyosarcoma-like 1, forkhead box O3, forkhead box O3A, forkhead homolog (rhabdomyosarcoma) like 1, forkhead, Drosophila, homolog of, in rhabdomyosarcoma-like 1

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About This Item

UNSPSC Code:
12352203
eCl@ss:
32160702
NACRES:
NA.41

biological source

rabbit

Quality Level

antibody form

affinity isolated antibody

antibody product type

primary antibodies

clone

polyclonal

species reactivity

human, mouse

manufacturer/tradename

Upstate®

technique(s)

western blot: suitable

isotype

IgG

NCBI accession no.

UniProt accession no.

shipped in

wet ice

target post-translational modification

unmodified

Gene Information

human ... FOXO3(2309)

General description

The forkhead family of transcription factors is a large group of proteins that share a common conserved 100 amino acid DNA binding domain, which is termed a winged-helix or forkhead domain after the founding member of this group, the forkhead gene in Drosophila. In addition to their roles during normal development, recent studies have demonstrated that members of the forkhead family may participate in several kinds of neoplasia. In particular, 3 genes of the human forkhead family, FKHR, FKHRL1, and AFX, which are orthologues of DAF-16 in Caenorhabditis elegans, were identified at the chromosomal breakpoints in human neoplasms. These three genes have been assigned to the FOXO (named for “Forkhead Box, group O”) subfamily of forkhead transcription factors. The forkhead factors, including FKHRL1, regulate their activation through phosphorylation by proto-oncogene Akt (protein kinase B) and/or SGK (serum- and glucocorticoid- induced kinases) in mammalian cells and the phosphorylated form localized at the cytoplasm is recognized to be an inactivated form, whereas nuclear-imported dephosphorylated FKHRL1 is functional as an active transcriptional factor.

Specificity

Not tested on other species.
Recognizes FKHRL1/FOXO3A, Mr 90-95 kDa.

Immunogen

Epitope: a.a. 330-673
GST fusion protein corresponding to residues 330-673 of human FKHRL1/FOXO3A.

Application

Research Category
Epigenetics & Nuclear Function
Research Sub Category
Transcription Factors
Use Anti-FOXO3a/FKHRL1 Antibody (Rabbit Polyclonal Antibody) validated in WB to detect FOXO3a/FKHRL1 also known as AF6q21 protein, Forkhead in rhabdomyosarcoma-like 1, forkhead box O3A.

Quality

Routinely evaluated by Western Blot on 3T3/A31 cell lysates.

Western Blot Analysis:
A 0.5 g/mL dilution of this antibody was used to detect FOXO3a/FKHRL1 in 3T3/A31 cell lysate.

Target description

Approx. 90-95 kDa

Linkage

Replaces: 04-1007

Physical form

Affinity purified
Antigen affinity purified rabbit polyclonal, followed by anti-GST depletion, in 0.1M Tris-Glycine (pH7.4), 150mM NaCl with 0.05% sodium azide.
Format: Purified

Storage and Stability

Stable for 1 year at 2-8ºC from date of receipt.
Handling Recommendations: Upon receipt, and prior to removing the cap, centrifuge the vial and gently mix the solution.

Analysis Note

Control
Positive Antigen Control: Catalog #12-305, 3T3/A31 lysate. Add 2.5 μL of 2-mercapto-ethanol/100 μL of lysate and boil for 5 minutes to reduce the preparation. Load 20 μg of reduced lysate per lane for minigels.

Other Notes

Concentration: Please refer to the Certificate of Analysis for the lot-specific concentration.

Legal Information

UPSTATE is a registered trademark of Merck KGaA, Darmstadt, Germany

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 Code

12 - Non Combustible Liquids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


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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Opposing responses of apoptosis and autophagy to moderate compression in skeletal muscle.
B T Teng,X M Pei,E W Tam,I F Benzie,P M Siu
Acta Physiologica (Oxford, England) null
Insulin acts through FOXO3a to activate transcription of plasminogen activator inhibitor type 1.
Ushma R Jag, Jiri Zavadil, Frederick M Stanley
Molecular Endocrinology null
Kyung Mi Lee et al.
Carcinogenesis, 31(8), 1338-1343 (2010-06-10)
Kaempferol (KF), which is a natural dietary flavonoid, has potential beneficial effects as a chemopreventive agent for critical health conditions, such as cancer. However, the molecular mechanisms underlying the activity of KF remain unknown. We report on the inhibition of
Céline Charvet et al.
Molecular cell, 42(5), 584-596 (2011-06-11)
Activation of p53 by DNA damage results in either cell-cycle arrest, allowing DNA repair and cell survival, or induction of apoptosis. As these opposite outcomes are both mediated by p53 stabilization, additional mechanisms to determine this decision must exist. Here
Bortezomib treatment causes remission in a Ph+ALL patient and reveals FoxO as a theranostic marker.
Dewar, R; Chen, ST; Yeckes-Rodin, H; Miller, K; Khosravi-Far, R
Cancer Biology & Therapy null

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