Human CD34 Antibody Summary
Accession # P28906
Please Note: Optimal dilutions should be determined by each laboratory for each application. General Protocols are available in the Technical Information section on our website.
CD34 in Human Liver. CD34 was detected in immersion fixed paraffin-embedded sections of human liver using Sheep Anti-Human CD34 Antigen Affinity-purified Polyclonal Antibody (Catalog # AF7227) at 1.7 µg/mL overnight at 4 °C. Tissue was stained using the Anti-Sheep HRP-DAB Cell & Tissue Staining Kit (brown; Catalog # CTS019) and counterstained with hematoxylin (blue). Specific staining was localized to endothelial cells in vasculature. View our protocol for Chromogenic IHC Staining of Paraffin-embedded Tissue Sections.
Detection of Human CD34 by Western Blot. Western blot shows lysates of human testies tissue and human thymus tissue. PVDF membrane was probed with 0.5 µg/mL of Sheep Anti-Human CD34 Antigen Affinity-purified Polyclonal Antibody (Catalog # AF7227) followed by HRP-conjugated Anti-Sheep IgG Secondary Antibody (Catalog # HAF016). A specific band was detected for CD34 at approximately 110 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 1.
Preparation and Storage
- 12 months from date of receipt, -20 to -70 °C as supplied.
- 1 month, 2 to 8 °C under sterile conditions after reconstitution.
- 6 months, -20 to -70 °C under sterile conditions after reconstitution.
CD34 is a 105-115 kDa member of the CD34/podocalyxin family of molecules. It is a sialomucin type glycoprotein, and presents carbohydrate to selectins during cell migration. CD34 is found on mast cells, eosinophils, vascular endothelial cells, stem cells and renal mesangial cells. Mature human CD34 is a 354 amino acid (aa) type I transmembrane protein (aa 32-385). It contains a 259 aa extracellular region (aa 35-287) with utilized N- and O-linked glycosylation sites, and a 74 aa cytoplasmic domain that may undergo Tyr phosphorylation. There is one splice variant that shows a four aa substitution for aa 325-385. Human CD34 can undergo membrane cleavage by bacterial proteases to generate 30-40 kDa soluble fragments. And notably, desialylated CD34 shows a 40 kDa increase in MW (to 150 kDa) when run in SDS-PAGE. Over aa 32-290, human CD34 shares 56% aa identity with mouse CD34.
Citations for Human CD34 Antibody
R&D Systems personnel manually curate a database that contains references using R&D Systems products. The data collected includes not only links to publications in PubMed, but also provides information about sample types, species, and experimental conditions.
Citations: Showing 1 - 2
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Multicolor quantitative confocal imaging cytometry
Authors: DL Coutu, KD Kokkaliari, L Kunz, T Schroeder
Nat. Methods, 2018;15(1):39-46.
Sample Types: Whole Tissue
Effects of negative-pressure wound therapy combinedwith microplasma on treating wounds of ulcer and the expression of heat shock protein 90
Authors: Z Li, Q Wang, W Mi, M Han, F Gao, G Niu, Y Ma
Exp Ther Med, 2017;13(5):2211-2216.
Sample Types: Whole Tissue
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