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Home > Product > Antibody > Rabbit Anti-CD34 antibody
CD34 antigen; CD34 molecule; Cluster designation 34; Hematopoietic progenitor cell antigen CD34; HPCA1; CD34_HUMAN.
Cat:
SL0646R
Species Reactivity：
Human,Mouse,(predicted: Rat,Dog,Pig,Cow,Rabbit,)
Immunogen：
KLH conjugated synthetic peptide derived from human CD34:301-385/385<Extracellular>
Format：
Liquid
Storage instructions：
Shipped at 4℃. Store at -20 °C for one year. Avoid repeated freeze/thaw cycles.
Concentration：
1mg/ml
Clonality：
Polyclonal
Isotype：
IgG
Applications：
WB=1:500-2000ELISA=1:5000-10000IHC-P=1:100-500IHC-F=1:100-500Flow-Cyt=1μg/TestIF=1:200-800（Paraffin sections need to do antigen repair）not yet tested in other applications.optimal dilutions/concentrations should be determined by the end user.
Host：
Rabbit
Product Overview：
Sample: MCF-7(Human) Cell Lysate at 40 ugPrimary: Anti-CD34 (SL0646R) at 1/300 dilutionSecondary: IRDye800CW Goat Anti-Rabbit IgG at 1/20000 dilutionPredicted band size: 39 kDObserved band size: 115 kDSample: Huvec(Human) Cell Lysate at 30 ugMolt-4(Human) Cell Lysate at 30 ugPrimary: Anti-CD34 (SL0646R) at 1/1000 dilutionSecondary: IRDye800CW Goat Anti-Rabbit IgG at 1/20000 dilutionPredicted band size: 120 kDObserved band size: 120 kDTissue/cell: human lung carcinoma; 4% Paraformaldehyde-fixed and paraffin-embedded; Antigen retrieval: citrate buffer ( 0.01M, pH 6.0 ), Boiling bathing for 15min; Block endogenous peroxidase by 3% Hydrogen peroxide for 30min; Blocking buffer (normal goat serum,SLC0005) at 37℃ for 20 min; Incubation: Anti-CD34 Polyclonal Antibody, Unconjugated(SL0646R) 1:200, overnight at 4°C, followed by conjugation to the secondary antibody(SP-0023) and DAB(SLC0010) stainingTissue/cell: mouse heart tissue; 4% Paraformaldehyde-fixed and paraffin-embedded; Antigen retrieval: citrate buffer ( 0.01M, pH 6.0 ), Boiling bathing for 15min; Block endogenous peroxidase by 3% Hydrogen peroxide for 30min; Blocking buffer (normal goat serum,SLC0005) at 37℃ for 20 min; Incubation: Anti-CD34 Polyclonal Antibody, Unconjugated(SL0646R) 1:200, overnight at 4°C, followed by conjugation to the secondary antibody(SP-0023) and DAB(SLC0010) stainingTissue/cell: human gastric adenocarcinoma;4% Paraformaldehyde-fixed and paraffin-embedded; Antigen retrieval: citrate buffer ( 0.01M, pH 6.0 ), Boiling bathing for 15min; Blocking buffer (normal goat serum,SLC0005) at 37℃ for 20 min; Incubation: Anti-CD34 Polyclonal Antibody, Unconjugated(SL0646R) 1:200, overnight at 4°C; The secondary antibody was Goat Anti-Rabbit IgG, AF488 conjugated(SL0295G-AF488)used at 1:200 dilution for 40 minutes at 37°C. Blank control: Raji(blue). Primary Antibody:Rabbit Anti- CD34 antibody(SL0646R), Dilution: 1μg in 100 μL 1X PBS containing 0.5% BSA; Isotype Control Antibody: Rabbit IgG(orange) ,used under the same conditions ); Secondary Antibody: Goat anti-rabbit IgG-PE(white blue), Dilution: 1:200 in 1 X PBS containing 0.5% BSA.ProtocolThe cells were fixed with 2% paraformaldehyde (10 min). Antibody (SL0646R, 1μg /1x10^6 cells) were incubated for 30 min on the ice, followed by 1 X PBS containing 0.5% BSA + 1 0% goat serum (15 min) to block non-specific protein-protein interactions. Then the Goat Anti-rabbit IgG/PE antibody was added into the blocking buffer mentioned above to react with the primary antibody of SL0646R at 1/200 dilution for 30 min on ice. Acquisition of 20,000 events was performed.Blank control: HUVEC. Primary Antibody (green line): Rabbit CD34 antibody (SL0646R) Dilution: 1μg /10^6 cells; Isotype Control Antibody (orange line): Rabbit IgG . Secondary Antibody: Goat anti-rabbit IgG-AF647Dilution: 1μg /test. ProtocolThe cells were then incubated in 5%BSA to block non-specific protein-protein interactions for 30 min at room temperature .Cells stained with Primary Antibody for 30 min at room temperature. The secondary antibody used for 40 min at room temperature. Acquisition of 20,000 events was performed.
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Product PDFs
Datasheet:


The highly glycosylated 75-120 kD antigen CD34 is possibly an adhesion molecule with a putative role in early hematopoiesis by mediating the attachment of stem cells to the bone marrow extracellular matrix or directly to stromal cells. It could act as a scaffold for the attachment of lineage specific glycans, allowing stem cells to bind to lectins expressed by stromal cells or other marrow components. CD34 is thought to have a role in presenting carbohydrate ligands to selectins. The intracellular chain of the CD34 antigen is a site of phosphorylation by activated protein kinase C, suggesting a putative role in signal transduction. Two isoforms of CD34 have been reported to be generated by alternative splicing. CD34 is highly expressed on hematopoietic progenitors, as well as on endothelial cells, brain, and testis. Staining for CD34 has been used to measure angiogenesis, which reportedly predicts tumor recurrence.

Function:
Possible adhesion molecule with a role in early hematopoiesis by mediating the attachment of stem cells to the bone marrow extracellular matrix or directly to stromal cells. Could act as a scaffold for the attachment of lineage specific glycans, allowing stem cells to bind to lectins expressed by stromal cells or other marrow components. Presents carbohydrate ligands to selectins.

Subcellular Location:
Membrane; Single-pass type I membrane protein.

Tissue Specificity:
Selectively expressed on hematopoietic progenitor cells and the small vessel endothelium of a variety of tissues.

Post-translational modifications:
Highly glycosylated.
Phosphorylated on serine residues by PKC.

Similarity:
Belongs to the CD34 family.

SWISS:
P28906

Gene ID:
947

Database links:

Entrez Gene: 947 Human

Omim: 142230 Human

SwissProt: P28906 Human

Unigene: 374990 Human



造血干细胞标志物
内皮标志物
肿瘤生物标志物
细胞表面的唾液粘蛋白。
间充质干细胞（mesenchymal stem cells,MSC）也是干细胞家族的重要成员，来源于发育早期的中胚层和外胚层。MSC最初在骨髓中发现，因其具有多向分化潜能、造血支持和促进干细胞植入、免疫调控和自我复制等特点。如间充质干细胞在体内或体外特定的诱导条件下，可分化为血管内皮、脂肪、骨、软骨、肌肉、肌腱、韧带、神经、肝、心肌、等多种组织细胞。 Picture

Sample:
MCF-7(Human) Cell Lysate at 40 ug
Primary: Anti-CD34 (SL0646R) at 1/300 dilution
Secondary: IRDye800CW Goat Anti-Rabbit IgG at 1/20000 dilution
Predicted band size: 39 kD
Observed band size: 115 kD
Sample:
Huvec(Human) Cell Lysate at 30 ug
Molt-4(Human) Cell Lysate at 30 ug
Primary: Anti-CD34 (SL0646R) at 1/1000 dilution
Secondary: IRDye800CW Goat Anti-Rabbit IgG at 1/20000 dilution
Predicted band size: 120 kD
Observed band size: 120 kD
Tissue/cell: human lung carcinoma; 4% Paraformaldehyde-fixed and paraffin-embedded;
Antigen retrieval: citrate buffer ( 0.01M, pH 6.0 ), Boiling bathing for 15min; Block endogenous peroxidase by 3% Hydrogen peroxide for 30min; Blocking buffer (normal goat serum,SLC0005) at 37℃ for 20 min;
Incubation: Anti-CD34 Polyclonal Antibody, Unconjugated(SL0646R) 1:200, overnight at 4°C, followed by conjugation to the secondary antibody(SP-0023) and DAB(SLC0010) staining
Tissue/cell: mouse heart tissue; 4% Paraformaldehyde-fixed and paraffin-embedded;
Antigen retrieval: citrate buffer ( 0.01M, pH 6.0 ), Boiling bathing for 15min; Block endogenous peroxidase by 3% Hydrogen peroxide for 30min; Blocking buffer (normal goat serum,SLC0005) at 37℃ for 20 min;
Incubation: Anti-CD34 Polyclonal Antibody, Unconjugated(SL0646R) 1:200, overnight at 4°C, followed by conjugation to the secondary antibody(SP-0023) and DAB(SLC0010) staining
Tissue/cell: human gastric adenocarcinoma;4% Paraformaldehyde-fixed and paraffin-embedded;
Antigen retrieval: citrate buffer ( 0.01M, pH 6.0 ), Boiling bathing for 15min; Blocking buffer (normal goat serum,SLC0005) at 37℃ for 20 min;
Incubation: Anti-CD34 Polyclonal Antibody, Unconjugated(SL0646R) 1:200, overnight at 4°C; The secondary antibody was Goat Anti-Rabbit IgG, AF488 conjugated(SL0295G-AF488)used at 1:200 dilution for 40 minutes at 37°C.
Blank control: Raji(blue).
Primary Antibody:Rabbit Anti- CD34 antibody(SL0646R), Dilution: 1μg in 100 μL 1X PBS containing 0.5% BSA;
Isotype Control Antibody: Rabbit IgG(orange) ,used under the same conditions );
Secondary Antibody: Goat anti-rabbit IgG-PE(white blue), Dilution: 1:200 in 1 X PBS containing 0.5% BSA.
Protocol
The cells were fixed with 2% paraformaldehyde (10 min). Antibody (SL0646R, 1μg /1x10^6 cells) were incubated for 30 min on the ice, followed by 1 X PBS containing 0.5% BSA + 1 0% goat serum (15 min) to block non-specific protein-protein interactions. Then the Goat Anti-rabbit IgG/PE antibody was added into the blocking buffer mentioned above to react with the primary antibody of SL0646R at 1/200 dilution for 30 min on ice. Acquisition of 20,000 events was performed.
Blank control: HUVEC.
Primary Antibody (green line): Rabbit CD34 antibody (SL0646R)
Dilution: 1μg /10^6 cells;
Isotype Control Antibody (orange line): Rabbit IgG .
Secondary Antibody: Goat anti-rabbit IgG-AF647
Dilution: 1μg /test.
Protocol
The cells were then incubated in 5%BSA to block non-specific protein-protein interactions for 30 min at room temperature .Cells stained with Primary Antibody for 30 min at room temperature. The secondary antibody used for 40 min at room temperature. Acquisition of 20,000 events was performed.
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