Proteintech, 15585-1-AP, SFPQ Polyclonal antibody

Size: 20ul / 150ul The SFPQ (15585-1-AP) by Proteintech is a Polyclonal antibody targeting SFPQ in WB, IHC, IF/ICC, ELISA applications with reactivity to human, mouse, rat samples 15585-1-AP targets SFPQ in WB, IHC, IF/ICC, IP, CoIP, RIP, ELISA applications and shows reactivity with human, mouse, rat samples. Tested Applications Positive WB detected in: HeLa cells, Jurkat cells, human brain tissue, PC-3 cells, mouse brain tissue, Y79 cells, BxPC-3 cells, MCF-7 cells Positive IHC detected in: human brain tissueNote: suggested antigen retrieval withTE buffer pH 9.0;(*) Alternatively, antigen retrieval may be performed withcitrate buffer pH 6.0 Positive IF/ICC detected in: HeLa cells Recommended dilution Western Blot (WB): WB : 1:2000-1:16000 Immunohistochemistry (IHC): IHC : 1:20-1:200 Immunofluorescence (IF)/ICC: IF/ICC : 1:200-1:800 Background Information SFPQ, also named PSF, encodes a nuclear factor implicated in the splicing and regulation of gene expression. SFPQ probably forms a heteromer with NONO and participates in DNA pairing and DNA break repair program. Very recently SFPQ was identified as a downstream target of tau, complete nuclear depletion and cytoplasmic accumulation of SFPQ were shown in the neurons and astrocytes of brains with Alzheimer's disease (AD), more strikingly, reduced SFPQ levels may progress together with tau pathology, these observation strongly suggests the important role of SFPQ pathology in neurodegenerative diseases including AD. SFPQ encompasses 707 amino acids and has a molecular weight of 76 kDa, although it typically migrates on a sodium dodecyl sulfate-polyacrylamide gel electrophoresis (SDS-PAGE) gel at an apparent molecular weight of ∼100 kDa. Proteolytic cleavage products of apparent molecular weights of 47 and 68 kDa, and an alternatively spliced form of 669 amino acids, have also been described in various cell types. (PMID: 25832716). Splicing Factor Proline and Glutamine rich (SFPQ) as the most significant intron-retaining transcript across diverse ALS-causing mutations (VCP, SOD1 and FUS). SFPQ protein binds extensively to its retained intron, which exhibits high cytoplasmic abundance in VCP mutation compared with controls. Crucially, the protein is less abundant in the nuclei of VCP mutation cultures and is ultimately lost from nuclei of MNs in mouse models (SOD1mu and VCP mutation transgenic mouse models) and human sporadic ALS post-mortem samples. In summary, our study implicates SFPQ IR and nuclear loss as general molecular hallmarks of familial and sporadic ALS. Specification Tested Reactivity: human, mouse, rat Cited Reactivity: human, mouse Host / Isotype: Rabbit / IgG Class: Polyclonal Type: Antibody Immunogen: CatNo: Ag7181 Product name: Recombinant human SFPQ protein Source: e coli. -derived, PET28a Tag: 6*His Domain: 1-300 aa of BC051192 Sequence: MSRDRFRSRGGGGGGFHRRGGGGGRGGLHDFRSPPPGMGLNQNRGPMGPGPGQSGPKPPIPPPPPHQQQQQPPPQQPPPQQPPPHQPPPHPQPHQQQQPPPPPQDSSKPVVAQGPGPAPGVGSTPPASSSAPPATPPTSGAPPGSGPGPTPTPPPAVTSAPPGAPPPTPPSSGVPTTPPQAGGPPPPPAAVPGPGPGPKQGPGPGGPKGGKMPGGPKPGGGPGLSTPGGHPKPPRRGGGEPRGGRQHHPPYHQQHHQGPPPGGPGGRSEEKISDSEGFKANLSLLRRPGEKTYTQRCRLF Predict reactive species Full Name: splicing factor proline/glutamine-rich (polypyrimidine tract binding protein associated) Calculated Molecular Weight: 76 kDa Observed Molecular Weight: 90-100 kDa GenBank Accession Number: BC051192 Gene Symbol: SFPQ Gene ID (NCBI): 6421 RRID: AB_10697653 Conjugate: Unconjugated Form: Liquid Purification Method: Antigen affinity purification UNIPROT ID: P23246 Storage Buffer: PBS with 0.02% sodium azide and 50% glycerol, pH 7.3. Storage Conditions: Store at -20°C. Stable for one year after shipment. Aliquoting is unnecessary for -20 o C storage. 20ul sizes contain 0.1% BSA.