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Work with LifeSpan to design a custom immunohistochemistry to address your specific biological question. Outsource the entire localization process without having to worry about finding and characterizing target specific antibodies, sourcing and validating difficult-to-find tissues, and having the ability to interpret the resulting immunostaining in relation to complex human pathologies.

Test your therapeutic antibodies in immunohistochemistry against a broad panel of normal frozen human tissue types in order to determine potential unintended binding. Our non-GLP TCR services are designed on the FDA recommendation outlined in their "Points to Consider in the Manufacture and Testing of Monoclonal Antibody Products for Human Use".

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CDKN1A / WAF1 / p21 Antibody (clone WA‑1) LS‑C59514
P21 antibody LS-C59514 is an unconjugated mouse monoclonal antibody to human p21 (CDKN1A / WAF1). Validated for ELISA, IHC and WB. Cited in 5 publications.
Catalog
Size
Price
LS-C59514-100
100 µg
$425
Description
P21 antibody LS-C59514 is an unconjugated mouse monoclonal antibody to human p21 (CDKN1A / WAF1). Validated for ELISA, IHC and WB. Cited in 5 publications.
Target
Human CDKN1A / WAF1 / p21
Host
Mouse
Reactivity
Human (tested or 100% immunogen sequence identity)
Clonality
Monoclonal [WA-1]
Conjugations
Unconjugated
Purification
Protein A purified
Modifications
Unmodified
Applications
  • IHC
  • IHC - Paraffin
  • IHC - Frozen
  • Western blot
  • ELISA
Performing IHC? See our complete line of Immunohistochemistry Reagents including antigen retrieval solutions, blocking agents ABC Detection Kits and polymers, biotinylated secondary antibodies, substrates and more.
Immunogen
Recombinant human p21 fusion protein.
Specificity
human and mammalian p21. The antibody is highly specific and shows no cross-reactivity with other closely related mitotic inhibitors. The intracellular protein p21 is a 21 kD protein and also known as wild-type p53-activated fragment 1 (WAF1). It is an inhibitor of cyclin-dependent kinases (Cdks) and proliferating-cell nuclear antigen (PCNA)
Usage
This antibody is suitable for immunohistochemistry, ELISA and immunoblotting. The antibody detects a 21 kD band corresponding to the p21 protein. MCF7 cells or UV treated fibroblasts are suggested as a positive control for immunoblotting and immunohistochemistry. Methanol/acetone fixed tissue is reactive for immunohistochemistry. The antibody also reacts with breast carcinoma on frozen sections (methanol/acetone fixation) and on paraffin sections (formalin fixation and microwave treatment prior to staining). In ELISA this monoclonal antibody is useful either as a capture antibody (attached to the solid phase) or for detection of p21 protein. This antibody immunoprecipitates monomeric p21 WAF1 and not p21 complexes with other proteins. High level expression of p21 WAF1 requires induction of wild-type p53 expression (e. g. via exposure to DNA damaging agents).
Presentation
0.02 M potassium phosphate, 0.5 M sodium chloride, pH 7.2, 0.01% sodium azide.
Storage
Short term: -20°C; Long term: -20°C.
Restrictions
For research use only.
About CDKN1A / WAF1 / p21
P38936 NM_078467 NP_000380.1

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Formalin-fixed, paraffin-embedded human colon cancer stained with peroxidase-conjugate and AEC chromogen. Note nuclear staining of tumor cells.  This image was taken for the unmodified form of this product. Other forms have not been tested.
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Immunohistochemistry Image
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p21 antibody WA-1 immunohistochemistry.  This image was taken for the unmodified form of this product. Other forms have not been tested.
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Formalin-fixed, paraffin-embedded bladder carcinoma stained with p21 antibody (HJ21).  This image was taken for the unmodified form of this product. Other forms have not been tested.
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Publications (5)

1
The p21 cyclin-dependent kinase inhibitor suppresses tumorigenicity in vivo. Yang ZY, Perkins ND, Ohno T, Nabel EG, Nabel GJ. Nature medicine. 1995 1:1052-6. [PubMed:7489362]
2
p21 is necessary for the p53-mediated G1 arrest in human cancer cells. Waldman T, Kinzler KW, Vogelstein B. Cancer research. 1995 55:5187-90. [PubMed:7585571]
3
A cis-acting element in Rous sarcoma virus long terminal repeat required for promoter repression by HeLa nuclear protein p21. Yeh CH, Shatkin AJ. The Journal of biological chemistry. 1995 270:15815-20. [PubMed:7797584]
4
p53 expression overcomes p21WAF1/CIP1-mediated G1 arrest and induces apoptosis in human cancer cells. Kagawa S, Fujiwara T, Hizuta A, Yasuda T, Zhang WW, Roth JA, Tanaka N. Oncogene. 1997 15:1903-9. [PubMed:9365236]
5
Inhibition of tumor cell growth by p21WAF1 adenoviral gene transfer in lung cancer. Joshi US, Chen YQ, Kalemkerian GP, Adil MR, Kraut M, Sarkar FH. Cancer gene therapy. 5:183-91. [PubMed:9622102]
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Images

Western blot

Anti-Human p21WAF1 Monoclonal Antibody - Western Blot. Mab anti-Human p21WAF1 antibody (clone WA-1) is shown to detect human p21 by western blot. Detection occurs after 10 ug of a HeLa whole cell lysate is loaded per lane. The blot was incubated with a 1:1000 dilution of Mab anti-Human p21WAF1at room temperature for 30 min followed by detection using IRDye800 labeled Goat-a-Mouse IgG [H&L] ( diluted 1:5000. A single band corresponding to human p21WAF1 is detected at ~21 kD when compared with known molecular weight standards (not shown). The antibody may be used to detect endogenous human p21WAF1. IRDye800 fluorescence image was captured using the Odyssey Infrared Imaging System developed by LI-COR. IRDye is a trademark of LI-COR, Inc. Other detection systems will yield similar results.
Anti-Human p21WAF1 Monoclonal Antibody - Western Blot. Mab anti-Human p21WAF1 antibody (clone WA-1) is shown to detect human p21 by western blot. Detection occurs after 10 ug of a HeLa whole cell lysate is loaded per lane. The blot was incubated with a 1:1000 dilution of Mab anti-Human p21WAF1at room temperature for 30 min followed by detection using IRDye800 labeled Goat-a-Mouse IgG [H&L] ( diluted 1:5000. A single band corresponding to human p21WAF1 is detected at ~21 kD when compared with known molecular weight standards (not shown). The antibody may be used to detect endogenous human p21WAF1. IRDye800 fluorescence image was captured using the Odyssey Infrared Imaging System developed by LI-COR. IRDye is a trademark of LI-COR, Inc. Other detection systems will yield similar results.

Western blot

Anti-Human p21WAF1 Monoclonal Antibody - Western Blot. Mab anti-Human p21WAF1 antibody (clone WA-1) is shown to detect human p21 by western blot. Detection occurs after 10 ug of a HeLa whole cell lysate is loaded per lane. The blot was incubated with a 1:1000 dilution of Mab anti-Human p21WAF1at room temperature for 30 min followed by detection using IRDye800 labeled Goat-a-Mouse IgG [H&L] ( diluted 1:5000. A single band corresponding to human p21WAF1 is detected at ~21 kD when compared with known molecular weight standards (not shown). The antibody may be used to detect endogenous human p21WAF1. IRDye800 fluorescence image was captured using the Odyssey Infrared Imaging System developed by LI-COR. IRDye is a trademark of LI-COR, Inc. Other detection systems will yield similar results.
Anti-Human p21WAF1 Monoclonal Antibody - Western Blot. Mab anti-Human p21WAF1 antibody (clone WA-1) is shown to detect human p21 by western blot. Detection occurs after 10 ug of a HeLa whole cell lysate is loaded per lane. The blot was incubated with a 1:1000 dilution of Mab anti-Human p21WAF1at room temperature for 30 min followed by detection using IRDye800 labeled Goat-a-Mouse IgG [H&L] ( diluted 1:5000. A single band corresponding to human p21WAF1 is detected at ~21 kD when compared with known molecular weight standards (not shown). The antibody may be used to detect endogenous human p21WAF1. IRDye800 fluorescence image was captured using the Odyssey Infrared Imaging System developed by LI-COR. IRDye is a trademark of LI-COR, Inc. Other detection systems will yield similar results.

Western blot

Anti-Human p21WAF1 Monoclonal Antibody - Western Blot. Mab anti-Human p21WAF1 antibody (clone WA-1) is shown to detect human p21 by western blot. Detection occurs after 10 ug of a HeLa whole cell lysate is loaded per lane. The blot was incubated with a 1:1000 dilution of Mab anti-Human p21WAF1at room temperature for 30 min followed by detection using IRDye800 labeled Goat-a-Mouse IgG [H&L] ( diluted 1:5000. A single band corresponding to human p21WAF1 is detected at ~21 kD when compared with known molecular weight standards (not shown). The antibody may be used to detect endogenous human p21WAF1. IRDye800 fluorescence image was captured using the Odyssey Infrared Imaging System developed by LI-COR. IRDye is a trademark of LI-COR, Inc. Other detection systems will yield similar results.
Anti-Human p21WAF1 Monoclonal Antibody - Western Blot. Mab anti-Human p21WAF1 antibody (clone WA-1) is shown to detect human p21 by western blot. Detection occurs after 10 ug of a HeLa whole cell lysate is loaded per lane. The blot was incubated with a 1:1000 dilution of Mab anti-Human p21WAF1at room temperature for 30 min followed by detection using IRDye800 labeled Goat-a-Mouse IgG [H&L] ( diluted 1:5000. A single band corresponding to human p21WAF1 is detected at ~21 kD when compared with known molecular weight standards (not shown). The antibody may be used to detect endogenous human p21WAF1. IRDye800 fluorescence image was captured using the Odyssey Infrared Imaging System developed by LI-COR. IRDye is a trademark of LI-COR, Inc. Other detection systems will yield similar results.

Western blot

Anti-Human p21WAF1 Monoclonal Antibody - Western Blot. Mab anti-Human p21WAF1 antibody (clone WA-1) is shown to detect human p21 by western blot. Detection occurs after 10 ug of a HeLa whole cell lysate is loaded per lane. The blot was incubated with a 1:1000 dilution of Mab anti-Human p21WAF1at room temperature for 30 min followed by detection using IRDye800 labeled Goat-a-Mouse IgG [H&L] ( diluted 1:5000. A single band corresponding to human p21WAF1 is detected at ~21 kD when compared with known molecular weight standards (not shown). The antibody may be used to detect endogenous human p21WAF1. IRDye800 fluorescence image was captured using the Odyssey Infrared Imaging System developed by LI-COR. IRDye is a trademark of LI-COR, Inc. Other detection systems will yield similar results.
Anti-Human p21WAF1 Monoclonal Antibody - Western Blot. Mab anti-Human p21WAF1 antibody (clone WA-1) is shown to detect human p21 by western blot. Detection occurs after 10 ug of a HeLa whole cell lysate is loaded per lane. The blot was incubated with a 1:1000 dilution of Mab anti-Human p21WAF1at room temperature for 30 min followed by detection using IRDye800 labeled Goat-a-Mouse IgG [H&L] ( diluted 1:5000. A single band corresponding to human p21WAF1 is detected at ~21 kD when compared with known molecular weight standards (not shown). The antibody may be used to detect endogenous human p21WAF1. IRDye800 fluorescence image was captured using the Odyssey Infrared Imaging System developed by LI-COR. IRDye is a trademark of LI-COR, Inc. Other detection systems will yield similar results.

Requested From: United States
Date Requested: 12/17/2018
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