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SQSTM1/p62 (D5L7G) Mouse mAb

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SQSTM1/p62 (D5L7G) Mouse mAb

品牌： CST

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产品介绍

产品信息

荧光素标记

Unconjugated

抗原名称

SQSTM1p62

来源纯化

Monoclonal antibody is produced by immunizing animals with a synthetic peptide corresponding to residues surrounding Pro220 of human SQSTM1 protein.

宿主

Mouse

商品描述

Product Usage Information

Application	Dilution
Western Blotting	1:1000
Immunoprecipitation	1:200
Immunohistochemistry (Paraffin)	1:400 - 1:1600
Immunofluorescence (Immunocytochemistry)	1:200 - 1:800

同种型

Mouse IgG1

分子量

研究领域

癌症,细胞生物学,纤维化,代谢,神经科学

应用

反应种属

Human

目标/特异性

Specificity/Sensitivity

SQSTM1/p62 (D5L7G) Mouse mAb recognizes endogenous levels of total SQSTM1/p62 protein.

Species Reactivity:

Human, Monkey

敏感性

Endogenous

背景

Sequestosome 1 (SQSTM1, p62) is a ubiquitin binding protein involved in cell signaling, oxidative stress, and autophagy (1-4). It was first identified as a protein that binds to the SH2 domain of p56Lck (5) and independently found to interact with PKCζ (6,7). SQSTM1 was subsequently found to interact with ubiquitin, providing a scaffold for several signaling proteins and triggering degradation of proteins through the proteasome or lysosome (8). Interaction between SQSTM1 and TRAF6 leads to the K63-linked polyubiquitination of TRAF6 and subsequent activation of the NF-κB pathway (9). Protein aggregates formed by SQSTM1 can be degraded by the autophagosome (4,10,11). SQSTM1 binds autophagosomal membrane protein LC3/Atg8, bringing SQSTM1-containing protein aggregates to the autophagosome (12). Lysosomal degradation of autophagosomes leads to a decrease in SQSTM1 levels during autophagy; conversely, autophagy inhibitors stabilize SQSTM1 levels. Studies have demonstrated a link between SQSTM1 and oxidative stress. SQSTM1 interacts with KEAP1, which is a cytoplasmic inhibitor of NRF2, a key transcription factor involved in cellular responses to oxidative stress (3). Thus, accumulation of SQSTM1 can lead to an increase in NRF2 activity. 1.Kirkin, V. et al. (2009) Mol Cell 34, 259-69. 2.Seibenhener, M.L. et al. (2007) FEBS Lett 581, 175-9. 3.Komatsu, M. et al. (2010) Nat Cell Biol 12, 213-23. 4.Bjørkøy, G. et al. (2006) Autophagy 2, 138-9. 5.Joung, I. et al. (1996) Proc Natl Acad Sci USA 93, 5991-5. 6.Sanchez, P. et al. (1998) Mol Cell Biol 18, 3069-80. 7.Puls, A. et al. (1997) Proc Natl Acad Sci USA 94, 6191-6. 8.Vadlamudi, R.K. et al. (1996) J Biol Chem 271, 20235-7. 9.Wooten, M.W. et al. (2005) J Biol Chem 280, 35625-9. 10.Bjørkøy, G. et al. (2005) J Cell Biol 171, 603-14. 11.Komatsu, M. et al. (2007) Cell 131, 1149-63. 12.Pankiv, S. et al. (2007) J Biol Chem 282, 24131-45.

研究领域

癌症,细胞生物学,纤维化,代谢,神经科学

翻译后修饰

unmodified

制备和贮存

保存方式

Supplied in 10 mM sodium HEPES (pH 7.5), 150 mM NaCl, 100 µg/ml BSA, 50% glycerol and less than 0.02% sodium azide. Store at –20°C. Do not aliquot the antibody.

For a carrier free (BSA and azide free) version of this product see product #17274.

数据库链接

Entrez-Gene ID

8878

UniProt ID

Q13501

参考图片

Confocal immunofluorescent analysis of HeLa cells, untreated (left) or treated with chloroquine (50 μM overnight; right), using SQSTM1/p62 (D5L7G) Mouse mAb (green). Blue pseudocolor = DRAQ5® #4084 (fluorescent DNA dye).

Western blot analysis of extracts from HeLa cells (lane 1) or SQSTM1 knock-out cells (lane 2) using SQSTM1/p62 (D5L7G) Mouse mAb #88588 (upper), and β-actin (D6A8) Rabbit mAb #8457 (lower). The absence of signal in the SQSTM1 knock-out HeLa cells confirms specificity of the antibody for SQSTM1.

Western blot analysis of extracts from various cell lines using SQSTM1/p62 (D5L7G) Mouse mAb (upper) or β-Actin (D6A8) Rabbit mAb #8457 (lower).

Western blot analysis of extract from HCT 116 cells, untreated (-) or starved with Earles Basic Salt Solution (EBSS; 4 hr; +) using SQSTM1/p62 (D5L7G) Mouse mAb (upper) or β-Actin (D6A8) Rabbit mAb #8457 (lower).

Western blot anlaysis of extracts from HeLa cells, untreated (-) or treated with Chloroquine #14774 (50 μM, overnight; +) using SQSTM1/p62 (D5L7G) Mouse mAb (upper) or β-Actin (D6A8) Rabbit mAb #8457 (lower).

Western blot analysis of extracts from HeLa cells transfected with 100 nM SignalSilence® Control siRNA (Unconjugated) #6568 (-), SignalSilence® SQSTM1/p62 siRNA I #6394 (+), or SignalSilence® SQSTM1/p62 siRNA II #6399 (+), using SQSTM1/p62 (D5L7G) Mouse mAb (upper) or β-Actin (D6A8) Rabbit mAb #8457 (lower).

Immunoprecipitation of SQSTM1/p62 protein from PANC-1 cell extracts. Lane 1 is 10% input, lane 2 is Mouse (G3A1) mAb IgG1 Isotype Control #5415, and lane 3 is SQSTM1/p62 (D5L7G) Mouse mAb. Western blot was performed using SQSTM1/p62 (D5L7G) Mouse mAb. A light chain-specific secondary antibody was used to avoid reactivity with heavy chain IgG.

Immunohistochemical analysis of paraffin-embedded human colon carcinoma using SQSTM1/p62 (D5L7G) Mouse mAb.

Immunohistochemical analysis of paraffin-embedded human lung carcinoma using SQSTM1/p62 (D5L7G) Mouse mAb.

Immunohistochemical analysis of paraffin-embedded human endometrioid adenocarcinoma using SQSTM1/p62 (D5L7G) Mouse mAb.

Immunohistochemical analysis of paraffin-embedded HDLM-2 (left) and Daudi (right) cell pellets using SQSTM1/p62 (D5L7G) Mouse mAb.

Immunohistochemical analysis of paraffin-embedded human inflamed gall bladder using SQSTM1/p62 (D5L7G) Mouse mAb in the presence of control peptide (left) or antigen-specific peptide (right).

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货号：

88588S

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