Human ALK-1 Antibody

(3 citations)   
  • Species Reactivity
    Human
  • Specificity
    Detects human ALK-1 in direct ELISAs and Western blots. Shows less than 1% cross‑reactivity with recombinant mouse ALK-1, recombinant human (rh) Activin RIA, or rhActivin RIB.
  • Source
    Monoclonal Mouse IgG2A Clone # 117720
  • Purification
    Protein A or G purified from ascites
  • Immunogen
    Mouse myeloma cell line NS0-derived recombinant human ALK‑1
    Asp22-Gln118
    Accession # P37023
  • Formulation
    Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied as a 0.2 µm filtered solution in PBS.
  • Label
    Unconjugated
Applications
  •  
    Recommended
    Concentration
    Sample
  • Western Blot
    2 µg/mL
    See below
  • Simple Western
    40 µg/mL
    See below
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.
Data Examples

Detection of Human ALK-1 by Western Blot.
Western blot shows lysates of Jurkat human acute T cell leukemia cell line and human placenta tissue. PVDF membrane was probed with 2 µg/mL of Mouse Anti-Human ALK‑1 Monoclonal Antibody (Catalog # MAB370) followed by HRP-conjugated Anti-Mouse IgG Secondary Antibody (Catalog # HAF007). A specific band was detected for ALK-1 at approximately 65 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 1.

Detection of Human ALK‑1 by Simple WesternTM.

Simple Western lane view shows lysates of human placenta tissue and human lung tissue, loaded at 0.2 mg/mL. A specific band was detected for ALK‑1 at approximately 63 kDa (as indicated) using 40 µg/mL of Mouse Anti-Human ALK‑1 Monoclonal Antibody (Catalog # MAB370). This experiment was conducted under reducing conditions and using the 12-230 kDa separation system.

Non-specific interaction with the 230 kDa Simple Western standard may be seen with this antibody.

Preparation and Storage
  • Reconstitution
    Reconstitute at 0.5 mg/mL in sterile PBS.
  • Shipping
    The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below. *Small pack size (SP) is shipped with polar packs. Upon receipt, store it immediately at -20 to -70 °C
  • Stability & Storage
    Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
    • 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.
Background: ALK-1

Transforming Growth Factor beta (TGF-beta ) superfamily ligands exert their biological activities via binding to heteromeric receptor complexes of two types (I and II) of serine/threonine kinases. Type II receptors are constitutively active kinases that phosphorylate type I receptors upon ligand binding. In turn, activated type I kinases phosphorylate downstream signaling molecules including the various smads. Transmembrane proteoglycans, including the type III receptor (betaglycan) and endoglin, can bind and present some of the TGF-beta superfamily ligands to type I and II receptor complexes and enhance their cellular responses. Seven type I receptors (also termed activin receptor-like kinase (ALK)) and five type II receptors have been isolated from mammals. ALK-2, -3, -4, -5, and -6 are also known as Activin R1A, BMPR-1A, Activin R1B, TGF-beta R1, and BMPR-1B, respectively, reflecting their ligand preferences. Evidence suggests that TGF-beta 1, TGF-beta 3 and an unknown ligand present in serum can activate chimeric ALK-1. ALK-1 shares with other type I receptors a cysteine-rich domain with conserved cysteine spacing in the extracellular region, and a glycine- and serine-rich domain (the GS domain) preceding the kinase domain. ALK-1 is expressed highly in endothelial cells and other highly vascularized tissues. The expression patterns of ALK-1 parallels that of endoglin. Mutations in ALK-1 as well as in endoglin are associated with hereditary hemorrhagic telangiectasia (HHT), suggesting a critical role for ALK-1 in the control of blood vessel development or repair. Human and mouse ALK-1 share approximately 71% amino acid sequence identity in their extracellular regions.

  • References:
    1. ten Dijke, P. et al. (1993) Oncogene 8:2879.
    2. ten Dijke, P. et al. (1994) Science 264:101.
    3. Lux, A. et al. (1999) J. Biol. Chem. 274:9984.
  • Long Name:
    Activin Receptor-like Kinase 1
  • Entrez Gene IDs:
    94 (Human); 11482 (Mouse)
  • Alternate Names:
    activin A receptor type II-like 1; activin A receptor, type II-like kinase 1; Activin receptor-like kinase 1; ACVRL1; ACVRLK1ORW2; ALK1; ALK-1; ALK1TGF-B superfamily receptor type I; EC 2.7.11; HHT; HHT2EC 2.7.11.30; serine/threonine-protein kinase receptor R3; SKR3; TSR-I
Related Research Areas
Citations:

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.

3 Citations: Showing 1 - 3
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Species
Applications
Sample Type
  1. ALK1 opposes ALK5/Smad3 signaling and expression of extracellular matrix components in human chondrocytes.
    Authors: Finnson KW, Parker WL, ten Dijke P, Thorikay M, Philip A
    J. Bone Miner. Res., 2008;23(6):896-906.
    Species: Human
    Sample Type: Cell Lysates
    Application: WB
  2. Antitumor activity of ALK1 in pancreatic carcinoma cells.
    Authors: Ungefroren H, Schniewind B, Groth S, Chen WB, Muerkoster SS, Kalthoff H, Fandrich F
    Int. J. Cancer, 2007;120(8):1641-51.
    Species: Human
    Sample Type: Whole Cells
    Application: WB
  3. Therapeutic action of tranexamic acid in hereditary haemorrhagic telangiectasia (HHT): regulation of ALK-1/endoglin pathway in endothelial cells.
    Authors: Fernandez-L A, Garrido-Martin EM, Sanz-Rodriguez F, Ramirez JR, Morales-Angulo C, Zarrabeitia R, Perez-Molino A, Bernabeu C, Botella LM
    Thromb. Haemost., 2007;97(2):254-62.
    Species: Human
    Sample Type: Whole Cells
    Application: Flow
Isotype Controls
Description Application Cat# Citations Images  

Mouse IgG2A Isotype Control

Ctrl MAB003 32  
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Mouse IgG2A Isotype Control

Ctrl MAB0031 7  
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Mouse IgG2A Isotype Control

Ctrl MAB003R
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Secondary Antibodies
Description Application Cat# Citations Images  

Mouse IgG HRP-conjugated Antibody

WB HAF007 26  
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Mouse F(ab)2 IgG (H+L) PE-conjugated Antibody

Flow F0102B 10  
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Donkey Anti-Mouse IgG NorthernLights™ NL557-conjugate Antibody

Flow, IHC, ICC NL007 9
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Donkey Anti-Mouse IgG Biotinylated Antibody

WB BAF018 1
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Mouse IgG HRP-conjugated Antibody

WB HAF018 9  
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Donkey Anti-Mouse IgG NorthernLights™ NL637-conjugated Antibody

Flow, IHC, ICC NL008 8
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Mouse F(ab)2 IgG (H+L) APC-conjugated Antibody

Flow F0101B 2  
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Donkey Anti-Mouse IgG NorthernLights™ NL493-conjugated Antibody

Flow, IHC, ICC NL009 5
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Mouse F(ab)2 IgG (H+L) Fluorescein-conjugated Antibody

Flow F0103B 5  
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Goat Anti-Mouse IgG Biotinylated Antibody

WB BAF007 4
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Mouse IgG Antibody

WB AF007 4
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Mouse/Rabbit IgG VisUCyte HRP Polymer Antibody

IHC VC002  
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Mouse IgG VisUCyte HRP Polymer Antibody

IHC VC001  
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Rat Anti-Mouse IgG2A PE-conjugated Antibody

Flow F0129 1  
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Goat Anti-Mouse IgG Fc Affinity Purified Polyclonal Ab

G-202-C 2
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Mouse F(ab)2 IgG (H+L) PerCP-conjugated Antibody

Flow F0114  
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Rat Anti-Mouse IgG2A PerCP-conjugated Antibody

Flow F0131  
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Mouse IgG2A Antibody

Flow MAB0032  
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Rat Anti-Mouse IgG2A APC-conjugated Antibody

Flow F0130  
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