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Key Documents

MABE325

Sigma-Aldrich

Anti-p21WAF1 Antibody, clone EA10

clone EA10, from mouse

Sinónimos:

Cyclin-dependent kinase inhibitor 1, CDK-interacting protein 1, Melanoma differentiation-associated protein 6, MDA-6, p21

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About This Item

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

biological source

mouse

Quality Level

antibody form

purified immunoglobulin

antibody product type

primary antibodies

clone

EA10, monoclonal

species reactivity

human

technique(s)

flow cytometry: suitable
western blot: suitable

isotype

IgG1κ

NCBI accession no.

UniProt accession no.

shipped in

wet ice

target post-translational modification

unmodified

Gene Information

human ... CDKN1A(1026)

General description

The tumor suppressor p53 transcriptionally activates a number of genes including the WAF1/CIP1 gene in response to DNA damage. The ~21 kDa product of the WAF1 gene is found in a complex involving cyclins, CDKs, and PCNA in normal cells but not transformed cells and appears to be a universal inhibitor of CDK activity. One consequence of p21WAF1 binding to and inhibiting CDKs is the prevention of CDK-dependent phosphorylation and subsequent inactivation of the Rb protein which is essential for cell cycle progression. p21WAF1 is, therefore, a potent and reversible inhibitor of cell cycle progression at both the G1 and G2 checkpoints, presumably to allow sufficient time for DNA repair to be completed. Irreversible G1 or G2 arrest leads to apoptosis. While the role of p21WAF1 in apoptosis is less clear, it is known that p53-mediated apoptosis leads to increased WAF1 expression. Induction of p21WAF1 can occur by both p53-dependent and p53-independent mechanisms, in response to certain observed conditions. p21WAF1 has also been identified as a gene involved in cellular senescence, termed sdi1. Its overexpression was observed to inhibit cellular growth.

Immunogen

Recombinant protein corresponding to human p21WAF1.

Application

Anti-p21WAF1 Antibody, clone EA10 is a Mouse Monoclonal Antibody for detection of p21WAF1 & has been validated in WB, FC.
Research Category
Epigenetics & Nuclear Function
Research Sub Category
Cell Cycle, DNA Replication & Repair
Western Blot Analysis: A representative lot from an independent laboratory detected p21WAF1 in non-irradiated and gamma irradiated CLL cells (Carter, A., et al. (2004). Br J Haematol. 127(4):425-428).

Immunohistochemistry Analysis: A representative lot from an independent laboratory detected p21WAF1 in normal human lower back tissue (el-Deiry, W. S., et al. (1995). Cancer Res. 55(13):2910-2919.).

Flow Cytometry Analysis: A representative lot from an independent laboratory detected p21WAF1 in non-irradiated and gamma irradiated CLL cells (Carter, A., et al. (2004). Br J Haematol. 127(4):425-428).

Quality

Evaluated by Western Blot in HT-29 cell lysate.

Western Blot Analysis: 1 µg/mL of this antibody detected p21WAF1 in 10 µg of HT-29 cell lysate.

Target description

~21 kDa observed

Physical form

Format: Purified
Protein G Purified
Purified mouse monoclonal IgG1κ supernatant in buffer containing 0.1 M Tris-Glycine (pH 7.4), 150 mM NaCl with 0.05% sodium azide.

Storage and Stability

Stable for 1 year at 2-8°C from date of receipt.

Analysis Note

Control
HT-29 cell lysate

Other Notes

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

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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Referencia del producto
Descripción
Precios

Storage Class

12 - Non Combustible Liquids

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable


Certificados de análisis (COA)

Busque Certificados de análisis (COA) introduciendo el número de lote del producto. Los números de lote se encuentran en la etiqueta del producto después de las palabras «Lot» o «Batch»

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Yi-Chu Yu et al.
Scientific reports, 3, 1675-1675 (2013-04-18)
Securin overexpression correlates with poor prognosis in various tumours. We have previously shown that securin depletion promotes radiation-induced senescence and enhances radiosensitivity in human cancer cells. However, the underlying molecular mechanisms and the paracrine effects remain unknown. In this study
Yoshihiro Miyasaka et al.
Clinical cancer research : an official journal of the American Association for Cancer Research, 13(15 Pt 1), 4371-4377 (2007-08-03)
Intraductal papillary mucinous neoplasms (IPMN) are known to show a transition from adenoma to carcinoma accompanied by several molecular abnormalities. ATM-Chk2-p53 DNA damage checkpoint activation, which is involved in prevention of the progression of several tumors, was analyzed to evaluate
Joseph A Sparano et al.
Clinical cancer research : an official journal of the American Association for Cancer Research, 15(8), 2942-2948 (2009-04-09)
Tipifarnib is a farnesyl transferase (FTase) inhibitor that has activity in metastatic breast cancer and enhances the efficacy of cytotoxic agents in preclinical models. We evaluated the biological effects of tipifarnib in primary breast cancers in vivo, whether adding tipifarnib
L A Stivala et al.
Oncogene, 20(5), 563-570 (2001-04-21)
The cyclin-dependent kinase inhibitor p21(waf1/cip1) is known to impair DNA synthesis by binding to PCNA, the co-factor of DNA polymerases delta and epsilon. However, a positive role for p21 in nucleotide excision repair (NER) has been suggested. In this study
Maryline Herbet et al.
PLoS genetics, 8(5), e1002700-e1002700 (2012-05-17)
Sporadic adrenocortical carcinomas (ACC) are rare endocrine neoplasms with a dismal prognosis. By contrast, benign tumors of the adrenal cortex are common in the general population. Whether benign tumors represent a separate entity or are in fact part of a

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