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Merck

SAB4200423

Sigma-Aldrich

Anti-HRD1/SYVN1 antibody, Mouse monoclonal

clone HRD1-5, purified from hybridoma cell culture

Synonym(s):

Anti-E3 ubiquitin-protein ligase synoviolin, Anti-Synovial apoptosis inhibitor 1, Anti-Synoviolin

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About This Item

UNSPSC Code:
12352203
NACRES:
NA.41

Pricing and availability is not currently available.

biological source

mouse

Quality Level

conjugate

unconjugated

antibody form

purified from hybridoma cell culture

antibody product type

primary antibodies

clone

HRD1-5, monoclonal

form

buffered aqueous solution

mol wt

antigen ~70 kDa

species reactivity

human

concentration

~1.0 mg/mL

General description

Monoclonal Anti-HRD1/SYVN1 (mouse IgG1 isotype) is derived from the hybridoma HRD1-5 produced by the fusion of mouse myeloma cells and splenocytes from BALB/c mice immunized with a synthetic peptide corresponding to the C-terminal region of human HRD1/SYVN1 conjugated to KLH. β-Hydroxy β-methylglutaryl-CoA (HMG-CoA) reductase degradation protein (HRD1)/synoviolin (SYVN1) is an endoplasmic reticulum (ER)-membrane resident E3 ubiquitin ligase. It has a five-transmembrane domain, a really interesting new gene (RING)-finger domain and a proline-rich domain.
Synoviolin 1 (SYVN1), also referred as 3-hydroxy-3-methylglutaryl-CoA reductase degradation protein 1 (HRD1), is encoded by the gene mapped to human chromosome 11q13.1. It is mainly expressed in liver, spleen, prostate and pancreas.

Immunogen

a synthetic peptide corresponding to the C-terminal region of human HRD1/SYVN1, conjugated to KLH. The corresponding sequence differs by two amino-acids in rat and mouse.

Application

Anti-HRD1/SYVN1 antibody, Mouse monoclonal has been used in immunoblotting and immunoprecipitation.

Biochem/physiol Actions

β-Hydroxy β-methylglutaryl-CoA (HMG-CoA) reductase degradation protein (HRD1)/synoviolin (SYVN1) protects against ER stress-induced apoptosis through ER stress-associated protein degradation (ERAD). The (RING)-finger domain mediates the transfer of ubiquitin from E2 to substrates. HRD1 expression is strongly induced by ER stress. It mediates proteasomal degradation via p53 tumor suppressor gene. Overexpression of HRD1 is implicated in the pathogenesis of rheumatoid arthritis.
Synoviolin 1 (SYVN1) plays a vital role in endoplasmic reticulum (ER)-associated degradation. The encoded protein acts as an E3 ubiquitin ligase and suppresses endoplasmic reticulum stress. It might also be involved in the protein quality control of optineurin (OPTN). Upregulated expression of the protein enhanced tau cytotoxicity and promoted cell survival in a study. SYVN1 interacts with Pael -R (substrate protein of familial Parkinson′s disease responsible gene Parkin) to promote neuronal cell death. It also increases degradation of APP (precursor of Alzheimer′s disease-causing protein amyloid β). SYVN1 activity is induced via inositol-requiring enzyme 1-X-box binding protein 1 (IRE1-XBP1) pathway. Therefore, drugs that enhance or suppress the expression of SYVN1, can be used as a therapeutic drugs for neurodegenerative diseases.

Physical form

Solution in 0.01 M phosphate buffered saline, pH 7.4, containing 15 mM sodium azide.

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

10 - Combustible liquids

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


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ER signaling in unfolded protein response
Kaneko M and Nomura Y
Life Sciences, 74(2-3), 199-205 (2003)
Pharmacological basis research on neurodegenerative disease treatment of human novel endoplasmic reticulum protein HRD1
Kaneko M
Japanese Journal of Pharmacology, 133, 252-256 (2009)
A de novo 0.57 Mb microdeletion in chromosome 11q13.1 in a patient with speech problems, autistic traits, dysmorphic features and multiple endocrine neoplasia type 1.
Mohrmann I
European Journal of Medical Genetics, 54, e461-e464 (2011)
Hrd1 facilitates tau degradation and promotes neuron survival.
Shen YX
Current Molecular Medicine, 12, 138-152 (2012)
Tetsuya Amano et al.
Genes & development, 17(19), 2436-2449 (2003-09-17)
Rheumatoid arthritis (RA) is one of the most critical articular diseases with synovial hyperplasia followed by impairment of quality of life. However, the mechanism(s) that regulates synovial cell outgrowth is not fully understood. To clarify its mechanism(s), we carried out

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