Human Thrombospondin-4 Antibody

Catalog # Availability Size / Price Qty
AF2390
AF2390-SP
Detection of Human Thrombospondin‑4 by Western Blot.
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Product Details
Citations (12)
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Reviews (5)

Human Thrombospondin-4 Antibody Summary

Species Reactivity
Human
Specificity
Detects human Thrombospondin-4 in direct ELISAs and Western blots. In direct ELISAs, approximately 50% cross-reactivity with recombinant mouse Thrombospondin-4 is observed and less than 5% cross-reactivity with recombinant human (rh) Thrombospondin-1, rhThrombospondin-2, and rhThrombospondin-3 is observed.
Source
Polyclonal Goat IgG
Purification
Antigen Affinity-purified
Immunogen
Mouse myeloma cell line NS0-derived recombinant human Thrombospondin-4
Ala22-Asn961 (Pro276Ala, Ala420Val)
Accession # P35443
Formulation
Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied either lyophilized or as a 0.2 µm filtered solution in PBS.
Label
Unconjugated

Applications

Recommended Concentration
Sample
Western Blot
0.2 µg/mL
See below
Simple Western
2 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.

Scientific Data

Western Blot Detection of Human Thrombospondin-4 antibody by Western Blot. View Larger

Detection of Human Thrombospondin‑4 by Western Blot. Western blot shows lysates of human heart tissue. PVDF membrane was probed with 0.2 µg/mL of Goat Anti-Human Thrombospondin-4 Antigen Affinity-purified Polyclonal Antibody (Catalog # AF2390) followed by HRP-conjugated Anti-Goat IgG Secondary Antibody (Catalog # HAF109). A specific band was detected for Thrombospondin-4 at approximately 130kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 1.

Simple Western Detection of Human Thrombospondin-4 antibody by Simple Western<SUP>TM</SUP>. View Larger

Detection of Human Thrombospondin‑4 by Simple WesternTM. Simple Western lane view shows lysates of human heart tissue, loaded at 0.2 mg/mL. A specific band was detected for Thrombospondin-4 at approximately 158 kDa (as indicated) using 2 µg/mL of Goat Anti-Human Thrombospondin-4 Antigen Affinity-purified Polyclonal Antibody (Catalog # AF2390) followed by 1:50 dilution of HRP-conjugated Anti-Goat IgG Secondary Antibody (Catalog # HAF109). This experiment was conducted under reducing conditions and using the 12-230 kDa separation system.

Immunocytochemistry/ Immunofluorescence Detection of Mouse Thrombospondin-4 by Immunocytochemistry/Immunofluorescence View Larger

Detection of Mouse Thrombospondin-4 by Immunocytochemistry/Immunofluorescence TSP-4 promotes accumulation of macrophages in peritoneal tissue of mice with LPS-induced peritonitis.a The number of macrophages in peritoneal cavity in mice with LPS-induced peritonitis. *p < 0.05, n = 5. b TSP-4 expression in macrophages from the peritoneal cavity lavage (left panel) and in the peritoneal tissue. QRT-PCR, fold increase (RQ) over the values in control mice injected with PBS; n = 3; *p < 0.05. c Macrophages and TSP-4 in peritoneal tissue of WT and P387-TSP-4-KI mice with LPS-induced peritonitis. Immunofluorescence; blue = nuclei (DAPI), green = macrophages (anti-CD68), red = TSP-4 (anti-TSP-4). Scale bar is 20 µm. Image collected and cropped by CiteAb from the following publication (https://pubmed.ncbi.nlm.nih.gov/31974349), licensed under a CC-BY license. Not internally tested by R&D Systems.

Immunocytochemistry/ Immunofluorescence Detection of Mouse Thrombospondin-4 by Immunocytochemistry/Immunofluorescence View Larger

Detection of Mouse Thrombospondin-4 by Immunocytochemistry/Immunofluorescence LPS induces TSP-4 in cultured macrophages.a Cultured macrophage-like RAW264.7 and cells and mouse bone-marrow-derived macrophages (BMDM) were treated with LPS (0.5 μg/ml for 1–24 h); western blotting with anti-TSP-4 Ab. b Cultured RAW264.7 (upper panels) and BMDM (lower panels) treated with LPS for 24 h were stained with anti-TSP-4 Ab; green = TSP-4, blue = nuclei, DAPI. Scale bar is 10 µm. c RAW 264.7 and BMDM cells were treated with LPS (0.5 μg/mL) for 24 h, and qRT-PCR was done (control = PBS treated); d RAW 264.7 cells were treated with CHX (25 μM) for 1–5 h and CHX (25 μM) + LPS (0.5 μg/mL) for 1–3 h followed by western blot detection of TSP-4 ( beta -actin as loading controls). CHX was added at time 0, followed by addition of LPS. Image collected and cropped by CiteAb from the following publication (https://pubmed.ncbi.nlm.nih.gov/31974349), licensed under a CC-BY license. Not internally tested by R&D Systems.

Reconstitution Calculator

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Preparation and Storage

Reconstitution
Reconstitute at 0.2 mg/mL in sterile PBS.
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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: Thrombospondin-4

Thrombospondin-4 (THSP4) is a 140 kDa calcium-binding protein that interacts with other extracellular matrix molecules and modulates the activity of various cell types. THSP1 and THSP2 constitute subgroup A and form disulfide-linked homotrimers, whereas THSP3, THSP4, and THSP5/COMP constitute subgroup B and form pentamers (1, 2). The human THSP4 cDNA encodes a 961 amino acid (aa) precursor that includes a 26 aa signal sequence followed by an N-terminal heparin-binding domain, a coiled-coil motif, four EGF-like repeats, seven THSP type-3 repeats (one with an RGD motif), and a THSP C‑terminal domain (3). Human THSP4 shares 93% aa sequence identity with mouse and rat THSP4. Within the THSP type-3 repeats and the THSP C‑terminal domain, human THSP4 shares 79% aa sequence identity with THSP3 and COMP, and 58% aa sequence identity with THSP1 and THSP2. The coiled-coil motif mediates pentamer formation with COMP, either homotypically or heterotypically (3-6). THSP4 binds a variety of matrix proteins including collagens I, II, III, V, laminin-1, fibronectin, and matrilin-2 (4). Interactions of THSP4 with non-collagenous proteins are independent of divalent cations, while interactions with collagenous proteins are enhanced in the presence of zinc (4). THSP4 is expressed in heart, skeletal muscle, vascular smooth muscle, and vascular endothelial cells (7-9). It accumulates at neuromuscular junctions and synapse-rich regions and is upregulated in muscle by experimental denervation (8). THSP4 mediates the adhesion of motor and sensory neurons and promotes neurite outgrowth (8). A polymorphism of THSP4 (A387P) is associated with early coronary artery disease (10-12). Unlike wild type THSP4, the A387P variant does not support HUVEC attachment and spreading (9). Integrin alpha M/ beta 2 enables activated neutrophil adhesion to both the variant A387P and wild type THSP4, although the A387P variant induces a greater release of pro-inflammatory molecules (13).

References
  1. Adams, J.C. and J. Lawler (2004) Int. J. Biochem. Cell Biol. 36:961.
  2. Stenina, O.I. et al. (2004) Int. J. Biochem. Cell Biol. 36:1013.
  3. Lawler, J. et al. (1995) J. Biol. Chem. 270:2809.
  4. Narouz-Ott, L. et al. (2000) J. Biol. Chem. 275:37110.
  5. Hauser, N. et al. (1995) FEBS Lett. 368:307.
  6. Sodersten, F. et al. (2006) Connect. Tissue Res. 47:85.
  7. Lawler, J. et al. (1993) J. Cell Biochem. 120:1059.
  8. Arber, S. and P. Caroni (1995) J. Cell Biol. 131:1083.
  9. Stenina, O.I. et al. (2003) Circulation 108:1514.
  10. Topol, E.J. et al. (2001) Circulation 104:2641.
  11. Wessel, J. et al. (2004) Am. Heart J. 147:905.
  12. Stenina, O.I. et al. (2005) FASEB J. 19:1893.
  13. Pluskota, E. et al. (2005) Blood 106:3970.
Entrez Gene IDs
7060 (Human); 21828 (Mouse)
Alternate Names
THBS4; thrombospondin 4; Thrombospondin4; Thrombospondin-4; TSP4; TSP-4

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Citations for Human Thrombospondin-4 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.

12 Citations: Showing 1 - 10
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  1. Single-cell analysis of human fetal epicardium reveals its cellular composition and identifies CRIP1 as a modulator of EMT
    Authors: Thomas J. Streef, Esmee J. Groeneveld, Tessa van Herwaarden, Jesper Hjortnaes, Marie José Goumans, Anke M. Smits
    Stem Cell Reports
  2. Identification of distinct ChAT(+) neurons and activity-dependent control of postnatal SVZ neurogenesis.
    Authors: Paez-Gonzalez Patricia, Asrican Brent, Rodriguez Erica, Kuo Chay T.
    Nat Neurosci.
  3. Painful nerve injury upregulates thrombospondin-4 expression in dorsal root ganglia
    Authors: Bin Pan, Hongwei Yu, John Park, Yanhui Peter Yu, Z. David Luo, Quinn H. Hogan
    Journal of Neuroscience Research
  4. The super-healing MRL strain promotes muscle growth in muscular dystrophy through a regenerative extracellular matrix
    Authors: O'Brien, JG;Willis, AB;Long, AM;Kwon, J;Lee, G;Li, F;Page, PGT;Vo, AH;Hadhazy, M;Crosbie, RH;Demonbreun, AR;McNally, EM;
    bioRxiv : the preprint server for biology
    Species: Mouse
    Sample Types: Whole Tissue
    Applications: IHC
  5. Thrombospondin-4 mediates TGF-?-induced angiogenesis
    Authors: S Muppala, R Xiao, I Krukovets, D Verbovetsk, R Yendamuri, N Habib, P Raman, E Plow, O Stenina-Ad
    Oncogene, 2017-05-08;0(0):.
    Species: Mouse
    Sample Types: Whole Tissue
    Applications: IHC
  6. Thrombospondin expression in myofibers stabilizes muscle membranes
    Elife, 2016-09-26;5(0):.
    Species: Mouse
    Sample Types: Tissue Homogenates, Whole Tissue
    Applications: IHC, IHC-P, Western Blot
  7. Assessing the contribution of thrombospondin-4 induction and ATF6? activation to endoplasmic reticulum expansion and phenotypic modulation in bladder outlet obstruction
    Sci Rep, 2016-09-01;6(0):32449.
    Species: Mouse
    Sample Types: Tissue Homogenates
    Applications: Western Blot
  8. Thrombospondin 4 deficiency in mouse impairs neuronal migration in the early postnatal and adult brain.
    Authors: Girard F, Eichenberger S, Celio M
    Mol Cell Neurosci, 2014-06-28;61(0):176-86.
    Species: Mouse
    Sample Types: Whole Tissue
    Applications: IHC-P
  9. Protective astrogenesis from the SVZ niche after injury is controlled by Notch modulator Thbs4.
    Authors: Benner, Eric J, Luciano, Dominic, Jo, Rebecca, Abdi, Khadar, Paez-Gonzalez, Patricia, Sheng, Huaxin, Warner, David S, Liu, Chunlei, Eroglu, Cagla, Kuo, Chay T
    Nature, 2013-04-24;497(7449):369-73.
    Species: Mouse
    Sample Types: Cell Lysates, Whole Tissue
    Applications: IHC, Western Blot
  10. THBS4, a novel stromal molecule of diffuse-type gastric adenocarcinomas, identified by transcriptome-wide expression profiling.
    Authors: Forster S, Gretschel S, Jons T, Yashiro M, Kemmner W
    Mod. Pathol., 2011-06-24;24(10):1390-403.
    Species: Human
    Sample Types: Whole Tissue
    Applications: IHC-Fr
  11. Increased cortical expression of two synaptogenic thrombospondins in human brain evolution.
    Authors: Caceres M, Suwyn C, Maddox M, Thomas JW, Preuss TM
    Cereb. Cortex, 2006-12-20;17(10):2312-21.
    Species: Human, Primate - Macaca mulatta (Rhesus Macaque), Primate - Macaca nemestrina (Southern Pig-tailed Macaque), Primate - Pan troglodytes (Chimpanzee)
    Sample Types: Tissue Homogenates, Whole Tissue
    Applications: IHC-P, Western Blot
  12. Effects of thrombospondin-4 on pro-inflammatory phenotype differentiation and apoptosis in macrophages
    Authors: Rahman MT, Muppala S, Wu J et al.
    Cell Death Dis

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Reviews for Human Thrombospondin-4 Antibody

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Human Thrombospondin-4 Antibody
By Anonymous on 01/14/2021
Application: Microarrays Sample Tested: EDTA Plasma Species: Human

Human Thrombospondin-4 Antibody
By Arul Subramanian on 03/14/2020
Application: IHC Sample Tested: Embryo Species: Zebrafish

The antibody was used to detect human TSP4 protein (Red channel in the figure) that was injected into a zebrafish embryo. The antibody did not cross-react with zebrafish Tsp4 protein.
The data has been published (eLife 2014;3:e02372).


Human Thrombospondin-4 Antibody
By Anonymous on 10/04/2019
Application: ELISA Sample Tested: Serum and Plasma Species: Human

We used this antibody for a sandwich ELISA in combination with mAb (MAB2390)) and protein (2390-TH). This combination works very well for detecting the TSP4 in human serum and plasma


Human Thrombospondin-4 Antibody
By Anonymous on 11/08/2018
Application: Luminex Sample Tested: Serum Species: Human

Human Thrombospondin-4 Antibody
By Anonymous on 10/31/2018
Application: MiAr Sample Tested: EDTA Plasma Species: Human