Thrombospondin-2 Antibody 0.1 mg

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Immunohistochemistry: Thrombospondin 2 Antibody [24420002] - Most of the normal tissues displayed moderate cytoplasmic positivity. Lymphoid tissues were weakly stained. Malignant tissues exhibited weak to moderate cytoplasmic immunoreactivity. Single cases of colo-rectal and hepatocellular carcinoma showed strong staining. A few cases of lymphomas, endometrial and cervical cancers were negative.  Image and statement courtesy of the Human Protein Atlas (HPA).
ELISA: Thrombospondin 2 Antibody [24420002]
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Ordering Information: 24420002

  • Catalog Number
    24420002
  • Displayed Format
    Unconjugated
  • Size(s)
    0.1 mg
  • Availability
  • Price
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Thrombospondin-2 Antibody Summary

Species Human
Tested Applications ELISA, IHC, IHC-P
Clonality
Polyclonal
Host
Rabbit
Gene
THBS2
Purity
Affinity purified
Specificity
This product is specific for Human THBS2.
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Thrombospondin-2 Antibody Details

Immunogen
This antibody is specific for the N Terminus Region of the target protein.

Species Reactivity

Human.
Publications Read Publications using 24420002 in the following species:


Applications/Dilutions

Dilutions
  • ELISA 1:100-1:2000
  • Immunohistochemistry 1:10-1:500
  • Immunohistochemistry-Paraffin 1:10-1:500
Application Notes
This antibody is useful in ELISA and Immunohistochemistry-Paraffin.
Publications
Read a Publication using
24420002 in the following applications:

Contact Information

Product PDFs

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Publications

Thrombospondin-2 Antibody (24420002) has been mentioned in at least 1 publication.
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Notes

Manufactured by SDIX's proprietary Genomic Antibody Technology™. GAT FAQs.

Packaging, Storage & Formulations

Storage
Store at 4C short term. Aliquot and store at -20C long term. Avoid freeze-thaw cycles.
Buffer
20 mM Potassium Phosphate, 150 mM Sodium Chloride, pH 7.0
Unit Size
0.1 mg
Concentration
Please see the vial label for concentration. If unlisted please contact technical services.
Preservative
No Preservative
Limitations
This product is for research use only and is not approved for use in humans or in clinical diagnosis. Primary Antibodies are guaranteed for 1 year from date of receipt.

Bioinformatics

Gene Symbol THBS2
Entrez
Uniprot

Alternate Names for Thrombospondin-2 Antibody

  • thrombospondin 2
  • TSP2thrombospondin-2

Related Products by Gene

Background

Thrombospondin 2 is an adhesive glycoprotein that mediates cell-to-cell and cell-to-matrix interactions. It can bind to fibrinogen, fibronectin, laminin and type V collagen. This protein has been shown to function as a potent inhibitor of tumor growth and angiogenesis. Studies of the mouse counterpart suggest that this protein may modulate the cell surface properties of mesenchymal cells and be involved in cell adhesion and migration.
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Publications for Thrombospondin-2 Antibody (24420002) (1)

Read what people are writing who have used Thrombospondin-2 Antibody (24420002).

We have publications tested in 1 confirmed species: Human.

We have publications tested in 1 applications: IHC-P.

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Product General Protocols

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FAQs for Thrombospondin-2 (31)

  1. In the immunohistochemistry paraffin section protocol....the PBS buffer....should it be at certain pH?
    • For IHC application, different labs cites the pH of PBS buffer in the range of 7.1 - 7.6 but most commonly used pH is pH 7.4 (this is what we use in our lab). You may use this PBS (pH 7.4) for making permeablization buffer, antibody diluent buffers and for making wash buffer. For more on the protocol that we use in our lab and for IHC-P troubleshooting suggestions, you may visit: IHC-P Protocol and IHC-P Troubleshooting.
  2. I was wondering what does Format 7C mean as far as anitbodies go?
    • 7C is a fluorophore - it is useful for FLOW. The details of the fluor are (A=425, E=500)
  3. What epitope does this monoclonal antibody recognize?
    • R&D Systems does not epitope map its antibodies. The antibody is generated using the entire immunogen listed on the datasheet. If a peptide immunogen is used, this will be indicated on the datasheet.
  4. What epitope does this polyclonal antibody recognize?
    • Polyclonal antibodies generally recognize multiple epitopes because they are generated using the entire immunogen stated on the product datasheet.
  5. What are R&D Systems matched antibody pairs?
    • R&D Systems matched antibody pairs assist in the development of an ELISA. R&D Systems has demonstrated that the paired antibodies can be used in a sandwich immunoassay to recognize the recombinant protein. We recommend that the investigator have expertise in immunoassay development before attempting to use these products. Each investigator must empirically determine the optimal concentrations for the capture and detection antibodies. The amount of antibodies supplied are not normalized to develop the same number of plates. R&D Systems recombinant cytokines are not calibrated by ELISA and therefore must be mass calibrated before use. The DuoSet ELISA Development Kit product line includes the antibodies, standard, enzyme, and protocol necessary for running an immunoassay, and can often be a better value than purchasing antibody pairs and protein standard.
  6. Can I use your antibodies for a matched pair ELISA with a standard from another company?
    • Yes, but there are potential issues to consider. There can be differences in immunological recognition or the binding between antibody and recombinant protein. This can happen if there is a difference in the folding or sequence of the recombinant protein used as the standard versus the recombinant protein used as the immunogen for the antibody. Protein folding or sequence differences in the antibody-binding region can lead to poor (or no) recognition of the standard.
  7. Can I use your antibodies for a matched pair ELISA with a standard from another company?
    • Yes, but there are potential issues to consider. There can be differences in immunological recognition or the binding between antibody and recombinant protein. This can happen if there is a difference in the folding or sequence of the recombinant protein used as the standard versus the recombinant protein used as the immunogen for the antibody. Protein folding or sequence differences in the antibody-binding region can lead to poor (or no) recognition of the standard.
  8. What grade BSA is recommend for use in ELISA and ELISpot Development Systems?
    • The grade of the BSA used has been found to be a critical component for running a successful ELISA. BSA with a minimum purity of 98% is recommended. R&D Systems recommends using the same BSAs used in development of the DuoSet; Catalog # DY995 Reagent Diluent Concentrate 2, Catalog # DY997 Reagent Diluent Concentrate 1. Millipore Probumin® Diagnostic Grade BSA (Millipore, Catalog # 82-045) is another example.
  9. What grade BSA is recommend for use in ELISA and ELISpot Development Systems?
    • The grade of the BSA used has been found to be a critical component for running a successful ELISA. BSA with a minimum purity of 98% is recommended. R&D Systems recommends using the same BSAs used in development of the DuoSet; Catalog # DY995 Reagent Diluent Concentrate 2, Catalog # DY997 Reagent Diluent Concentrate 1. Millipore Probumin® Diagnostic Grade BSA (Millipore, Catalog # 82-045) is another example.
  10. What is a direct ELISA?
    • In a direct ELISA, a plate is coated with the analyte of interest and a labeled detection antibody is used to verify the presence of the analyte.The direct ELISA may use a colorimetric, chemiluminescent, or fluorescent reporter.
  11. What is a direct ELISA?
    • In a direct ELISA, a plate is coated with the analyte of interest and a labeled detection antibody is used to verify the presence of the analyte.The direct ELISA may use a colorimetric, chemiluminescent, or fluorescent reporter.
  12. What is a sandwich ELISA?
    • A sandwich ELISA uses an immobilized capture antibody specific for the analyte of interest in a sample. After the analyte is bound to the immobilized antibody, a labeled secondary antibody specific for the analyte is used for detection. The analyte is "sandwiched" between the two antibodies. The sandwich ELISA is extremely sensitive, and the values obtained are quantitative when compared with a standard curve.
  13. What is a sandwich ELISA?
    • A sandwich ELISA uses an immobilized capture antibody specific for the analyte of interest in a sample. After the analyte is bound to the immobilized antibody, a labeled secondary antibody specific for the analyte is used for detection. The analyte is "sandwiched" between the two antibodies. The sandwich ELISA is extremely sensitive, and the values obtained are quantitative when compared with a standard curve.
  14. What is the difference between AB###, AF###, BAF###, MAB###, and BAM### antibody catalog number designations?
    • AB### designated antibodies are polyclonal antibodies that are purified using Protein A, Protein G or Ion Exchange chromatography. Consequently, the resulting purified antibody is a total IgG fraction and may contain IgG not specific for the analyte of interest. AF### designated antibodies, are antigen affinity-purified and then further purified by ion exchange or size exclusion. Therefore, AF### antibodies are IgG specific only to the antigen. Antibodies that have the designation MAB### are monoclonal antibodies. BAF### and BAM### designated antibodies are the biotinylated versions of the AF### and MAB### designated antibodies, respectively.
  15. What is the difference between AB###, AF###, BAF###, MAB###, and BAM### antibody catalog number designations?
    • AB### designated antibodies are polyclonal antibodies that are purified using Protein A, Protein G or Ion Exchange chromatography. Consequently, the resulting purified antibody is a total IgG fraction and may contain IgG not specific for the analyte of interest. AF### designated antibodies, are antigen affinity-purified and then further purified by ion exchange or size exclusion. Therefore, AF### antibodies are IgG specific only to the antigen. Antibodies that have the designation MAB### are monoclonal antibodies. BAF### and BAM### designated antibodies are the biotinylated versions of the AF### and MAB### designated antibodies, respectively.
  16. What is the rationale for using trehalose to stabilize proteins?
    • Trehalose is an effective sugar for stabilizing proteins against damage caused by freezing. It can also make the protein more resistant to moisture gain when lyophilized, resulting in a product that is less likely to precipitate when reconstituted. In addition, it has been used in approved parenteral therapeutics
  17. What is the rationale for using trehalose to stabilize proteins?
    • Trehalose is an effective sugar for stabilizing proteins against damage caused by freezing. It can also make the protein more resistant to moisture gain when lyophilized, resulting in a product that is less likely to precipitate when reconstituted. In addition, it has been used in approved parenteral therapeutics
  18. Will trehalose affect my conjugation reaction?
    • It is possible that the presence of trehalose will interfere in the successful conjugation of a protein. This will depend on the method used, and the customer should investigate this potential prior to purchasing the product.
  19. Will trehalose affect my conjugation reaction?
    • It is possible that the presence of trehalose will interfere in the successful conjugation of a protein. This will depend on the method used, and the customer should investigate this potential prior to purchasing the product.
  20. Will trehalose affect the performance of the protein or antibody in my specific application?
    • We have seen no adverse effect in our bioassays or other approved applications. However, customers are advised to run a control in their assay to determine if the concentration of trelahose in the protein or antibody formulation has any adverse effects.
  21. Will trehalose affect the performance of the protein or antibody in my specific application?
    • We have seen no adverse effect in our bioassays or other approved applications. However, customers are advised to run a control in their assay to determine if the concentration of trelahose in the protein or antibody formulation has any adverse effects.
  22. Will trehalose included in the formulation affect the animal if it is injected?
    • Trehalose is unlikely to have an effect in vivo. It has been approved as an excipient for use in human injectable drugs.The trehalose used by R&D Systems is derived from Saccharomyces cerevisiae and is determined to be at minimum 98.5% pure by HPAE.
  23. Will trehalose included in the formulation affect the animal if it is injected?
    • Trehalose is unlikely to have an effect in vivo. It has been approved as an excipient for use in human injectable drugs.The trehalose used by R&D Systems is derived from Saccharomyces cerevisiae and is determined to be at minimum 98.5% pure by HPAE.
  24. What are R&D Systems matched antibody pairs?
    • R&D Systems matched antibody pairs assist in the development of an ELISA. R&D Systems has demonstrated that the paired antibodies can be used in a sandwich immunoassay to recognize the recombinant protein. We recommend that the investigator have expertise in immunoassay development before attempting to use these products. Each investigator must empirically determine the optimal concentrations for the capture and detection antibodies. The amount of antibodies supplied are not normalized to develop the same number of plates. R&D Systems recombinant cytokines are not calibrated by ELISA and therefore must be mass calibrated before use. The DuoSet ELISA Development Kit product line includes the antibodies, standard, enzyme, and protocol necessary for running an immunoassay, and can often be a better value than purchasing antibody pairs and protein standard.
  25. What is the recommended protocol for reconstituting and aliquotting lyophilized proteins and antibodies?<br>
    • Following these guidelines for reconstituting lyophilized material will help ensure complete recovery of the protein or antibody.

      1) Tap or briefly centrifuge the vial before opening to dislodge any lyophilized material that may be dispersed on the wall or cap of the vial.

      2) Use the buffer and stock concentration recommended in the product datasheet. If you want a stock concentration that is higher than the one recommended, contact Technical Service for specific recommendations.

      3) For optimal recovery, reconstitute using room temperature buffer.

      4) After adding the buffer, re-cap the vial and invert gently by hand or place on a slow rocking platform. This will allow the reconstitution buffer to coat all the surfaces inside the vial. Do not mix by vortexing or by pipetting the material up and down.

      5) Allow the vial to sit at room temperature with gentle agitation for at least 15 minutes before aliquotting or using.

      6) Store the reconstituted protein in polypropylene or siliconized tubes. If aliquotting, it is recommended that aliquots be no smaller than 10 μL. In addition, avoid repeated freeze/thaw cycles.

  26. What is the recommended protocol for reconstituting and aliquotting lyophilized proteins and antibodies?<br>
    • Following these guidelines for reconstituting lyophilized material will help ensure complete recovery of the protein or antibody.

      1) Tap or briefly centrifuge the vial before opening to dislodge any lyophilized material that may be dispersed on the wall or cap of the vial.

      2) Use the buffer and stock concentration recommended in the product datasheet. If you want a stock concentration that is higher than the one recommended, contact Technical Service for specific recommendations.

      3) For optimal recovery, reconstitute using room temperature buffer.

      4) After adding the buffer, re-cap the vial and invert gently by hand or place on a slow rocking platform. This will allow the reconstitution buffer to coat all the surfaces inside the vial. Do not mix by vortexing or by pipetting the material up and down.

      5) Allow the vial to sit at room temperature with gentle agitation for at least 15 minutes before aliquotting or using.

      6) Store the reconstituted protein in polypropylene or siliconized tubes. If aliquotting, it is recommended that aliquots be no smaller than 10 μL. In addition, avoid repeated freeze/thaw cycles.

  27. Can this antibody be used on frozen or paraffin-embedded&nbsp; sections?
    • R&D Systems will provide support for an antibody that is validated for the IHC/ICC application in both frozen and paraffin-embedded sections unless otherwise specified on the datasheet. Should the product fail to work after contacting us for assistance, R&D Systems will offer a product credit toward a future purchase.

      If the datasheet does not have an IHC/ICC claim, we do not have any in-house or collaborative data available to support this application and we cannot guarantee results. It is up to the user to decide if they wish to use the antibody in their application.

      Customers may use the Citations tab on the product-specific web page or contact Technical Service to check for references using a product in an application or with a cell type R&D Systems has not tested in-house.
  28. Can this antibody be used on frozen or paraffin-embedded&nbsp; sections?
    • R&D Systems will provide support for an antibody that is validated for the IHC/ICC application in both frozen and paraffin-embedded sections unless otherwise specified on the datasheet. Should the product fail to work after contacting us for assistance, R&D Systems will offer a product credit toward a future purchase.

      If the datasheet does not have an IHC/ICC claim, we do not have any in-house or collaborative data available to support this application and we cannot guarantee results. It is up to the user to decide if they wish to use the antibody in their application.

      Customers may use the Citations tab on the product-specific web page or contact Technical Service to check for references using a product in an application or with a cell type R&D Systems has not tested in-house.
  29. Can this antibody be used on frozen or paraffin-embedded&nbsp; sections?
    • R&D Systems will provide support for an antibody that is validated for the IHC/ICC application in both frozen and paraffin-embedded sections unless otherwise specified on the datasheet. Should the product fail to work after contacting us for assistance, R&D Systems will offer a product credit toward a future purchase.

      If the datasheet does not have an IHC/ICC claim, we do not have any in-house or collaborative data available to support this application and we cannot guarantee results. It is up to the user to decide if they wish to use the antibody in their application.

      Customers may use the Citations tab on the product-specific web page or contact Technical Service to check for references using a product in an application or with a cell type R&D Systems has not tested in-house.
  30. Has a product ever been used for an application that is not listed on the datasheet?
    • If a specific application is not listed on the datasheet, it may mean that this product has not been tested in this application, or it may mean that in-house testing in this application did not meet R&D Systems’specifications. Please check our Citations tab to see if other researchers have published using your application, sample type and/or species. If you would like more information on whether or not an application has been tested, please contact Technical Service at (800) 343-7475.

  31. Has a product ever been used for an application that is not listed on the datasheet?
    • If a specific application is not listed on the datasheet, it may mean that this product has not been tested in this application, or it may mean that in-house testing in this application did not meet R&D Systems’specifications. Please check our Citations tab to see if other researchers have published using your application, sample type and/or species. If you would like more information on whether or not an application has been tested, please contact Technical Service at (800) 343-7475.

Bioinformatics Tool for Thrombospondin-2

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