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Key Documents

MABS1274

Sigma-Aldrich

Anti-GPx4 Antibody, clone 1B4

clone 1B4, from rat

Sinonimo/i:

Phospholipid hydroperoxide glutathione peroxidase, mitochondrial, GPx-4, GSHPx-4, mtPHGPx, PHGPx, Phospholipid hydroperoxide glutathione peroxidase, mitochondrial, snGPx, Sperm nuclei glutathione peroxidase

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About This Item

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

Origine biologica

rat

Livello qualitativo

Forma dell’anticorpo

purified immunoglobulin

Tipo di anticorpo

primary antibodies

Clone

1B4, monoclonal

Reattività contro le specie

mouse

tecniche

immunocytochemistry: suitable
immunohistochemistry: suitable
western blot: suitable

Isotipo

IgG1κ

N° accesso NCBI

N° accesso UniProt

Condizioni di spedizione

wet ice

modifica post-traduzionali bersaglio

unmodified

Informazioni sul gene

mouse ... Gpx4(625249)

Descrizione generale

Phospholipid hydroperoxide glutathione peroxidase, mitochondrial (EC 1.11.1.12; UniProt O70325; also known as GPx-4, GSHPx-4, mtPHGPx, PHGPx, Phospholipid hydroperoxide glutathione peroxidase mitochondrial, snGPx, Sperm nuclei glutathione peroxidase) is encoded by the Gpx4 gene (Gene ID 625249) in murine species. Gpx4 is a member of the glutathione peroxidase (GPx) family of peroxidases that protect cells against oxidative damage by reducing lipid hydroperoxides to their corresponding alcohols and by reducing free hydrogen peroxide to water. Eight glutathione peroxidase members (GPx1-8) have been identified in human. Inducible Gpx4-knockout in transgenic mice reveals the essential role of Gpx4 in maintaining proper kidney function, and Gpx4 depletion results in massive cell death of renal tubular epithelia in vivo. While the most abundant mammalian GPx, GPx1, that forms tetramers, GPx4 exists in the monomeric form. Three alternatively spliced GPx4 isoforms originate from the same Gpx4 gene, a cytosolic (also called the short form), a mitochondrial (also called the long form), and a nuclear form. The short form is expressed ubiquitously in embryonic and adult tissues in varying degrees, while the expression of the other two forms is restricted to testis where they exert significant functions during male gametogenesis.

Specificità

Reacts with the Mitochondrial (UniProt O70325-1), Cytoplasmic (UniProt O70325-2), and Nuclear (Q91XR9-1) isoforms.

Immunogeno

Epitope: C-terminus
KLH-conjugated linear peptide corresponding to the C-terminal sequence of mouse GPx-4.

Applicazioni

Anti-GPx4 Antibody, clone 1B4 is an antibody against GPx4 for use in Immunocytochemistry, Immunohistochemistry, Western Blotting.
Research Category
Signaling
Research Sub Category
Oxidative Stress
Western Blotting Analysis: A representative lot detected downregulated GPx-4 expression upon hydroxytamoxifen/Tam treatment of MERCreMER-expressing mouse embryonic fibroblasts (MEFs) PFa1(flox/flox)-MerCreMer whose last three Gpx4 exons were flanked by loxP sites (Seiler, A., et al. (2008). Cell Metab.;8(3):237-248).
Western Blotting Analysis: A representative lot detected downregulated GPx-4 expression in kidney tissue extracts from tamoxifen/Tam-fed transgenic mice (CreERT2;Gpx4fl/fl) that express Cre-ERT2 and have both Gpx4 alleles flanked by loxP sites (Friedmann Angeli, J.P., et al. (2014). Nat. Cell Biol.16(12):1180-1191).
Western Blotting Analysis: A representative lot detected downregulated GPx-4 expression upon hydroxytamoxifen/Tam treatment of lung fibroblasts derived from transgenic mice (CreERT2;Gpx4fl/fl) that express Cre-ERT2 and have both Gpx4 alleles flanked by loxP sites (Friedmann Angeli, J.P., et al. (2014). Nat. Cell Biol.16(12):1180-1191).
Western Blotting Analysis: A representative lot detected high GPx-4 expression in both primary (HRPEitC) and transformed (HK-2) human tubular epithelial kidney cells (Friedmann Angeli, J.P., et al. (2014). Nat. Cell Biol.16(12):1180-1191).
Immunohistochemistry Analysis: A representative lot detected GPx-4 expression in paraformaldehyde-fixed, paraffin-embedded mouse testis sections (Courtesy of Dr. Marcus Conrad, Helmholtz Zentrum München, Germany).
Immunohistochemistry Analysis: A representative lot detected downregulated GPx-4 expression in paraformaldehyde-fixed, paraffin-embedded testis sections from GPx-4-knockout mice when compared to wild-type controls (Schneider, M., et al. (2009). FASEB J. 23(9):3233-3242).
Immunocytochemistry Analysis: A representative lot detected downregulated GPx-4 expression in paraformaldehyde-fixed, Triton X-100-permeablized epididymal spermatozoa from Gpx4-knockout mice when compared to wild-type controls by fluorescent immunocytochemistry (Schneider, M., et al. (2009). FASEB J. 23(9):3233-3242).

Qualità

Evaluated by Immunocytochemistry in MEF1 cells.

Immunocytochemistry Analysis: 4.0 µg/mL of this antibody detected GPx-4 in MEF1 cells.

Descrizione del bersaglio

~19 kDa calculated

Stato fisico

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

Stoccaggio e stabilità

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

Altre note

Concentration: Please refer to lot specific datasheet.

Esclusione di responsabilità

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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Codice della classe di stoccaggio

12 - Non Combustible Liquids

Classe di pericolosità dell'acqua (WGK)

WGK 1

Punto d’infiammabilità (°F)

Not applicable

Punto d’infiammabilità (°C)

Not applicable


Certificati d'analisi (COA)

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Glutathione peroxidase 4 senses and translates oxidative stress into 12/15-lipoxygenase dependent- and AIF-mediated cell death.
Seiler, A; Schneider, M; Forster, H; Roth, S; Wirth, EK; Culmsee, C; Plesnila, N; Kremmer et al.
Cell Metabolism null
Manuela Schneider et al.
FASEB journal : official publication of the Federation of American Societies for Experimental Biology, 23(9), 3233-3242 (2009-05-07)
Selenium is linked to male fertility. Glutathione peroxidase 4 (GPx4), first described as an antioxidant enzyme, is the predominant selenoenzyme in testis and has been suspected of being vital for spermatogenesis. Cytosolic, mitochondrial, and nuclear isoforms are all encoded by
Jose Pedro Friedmann Angeli et al.
Nature cell biology, 16(12), 1180-1191 (2014-11-18)
Ferroptosis is a non-apoptotic form of cell death induced by small molecules in specific tumour types, and in engineered cells overexpressing oncogenic RAS. Yet, its relevance in non-transformed cells and tissues is unexplored and remains enigmatic. Here, we provide direct
Jumpei Ito et al.
eLife, 10 (2021-02-03)
Heart failure is a major public health problem, and abnormal iron metabolism is common in patients with heart failure. Although iron is necessary for metabolic homeostasis, it induces a programmed necrosis. Iron release from ferritin storage is through nuclear receptor

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