Tenascin C Antibody (EB2)



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Tenascin C Antibody (EB2) Summary

The antibody reacts with the 4th and 5th fibronectin-like repeats of human tenascin-C polypeptides of Mr 250000 and 180000.
The antibody reacts with the 4th and 5th fibronectin-like repeats of human tenascin-C polypeptides of Mr 250000 and 180000. The antibody cross reacts with human, guinea pig and rabbit. Tenascins were first characterized in the early 1980’s. Since then hundreds of publications on tenascin in normal tissues, pathologically reactive tissues and carcinomas have been published. However, only recently more elective studies have been done. In these studies retrospective material from pathology files has been studied as well as larger fresh material collected during several years from patients. These studies have now attempted to reveal more specific points in carcinogenesis and pathological tissue reactions. It has been demonstrated that tenascin immunoreactivity in breast carcinoma cells could be indicative of metastasis and survival. Recent studies using retrospective material showed that the expression of tenascin in invasion border of early breast cancer significantly correlates with higher risk of distant metastasis. These studies have been continued now and the preliminary results clearly suggest that expression of tenascin in invasion border of early breast cancer is significantly associated with proliferative activity and higher risk of local recurrence. This result implicates a wide application for tenascin antibodies in the breast pathology. The point is that tenascin expression may suggest situations in which even small breast carcinomas may need more intensive complementary therapy (chemotherapy etc.). Recent studies have also shown that tenascin is significantly increased in airway basement membrane of asthmatics and rapidly decreases by inhaled steroid. This result suggests that tenascin expression may be used to monitor the disease status and outcome of treatment in different types of asthma. The monoclonal antibody to tenascin (clone DB7) is suitable for immunohistochemistry with formalin-fixed and paraffin-embedded sections. The other monoclonal antibody (clone EB2) is highly sensitive in Western blotting.Monoclonal antibody (Mab) to tenascin-C is derived from the hybridoma produced by fusion between myeloma cells and Balb/c spleen cells. Purified tenascin-C from human fetal fibroblasts was used as an immunogen.
Protein A or G purified
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  • Western Blot 1:100-1:2000
  • Immunohistochemistry 1:10-1:500
  • Immunohistochemistry-Frozen 1:10-1:500
Application Notes
Immunohistochemical stainings on frozen sections, westem blotting and other immunoassays for cellular and tumor biology. Quantitation of Tn-C in body fluids together with Mab DB7 (8).

Reactivity Notes


Packaging, Storage & Formulations

Store at 4C short term. Aliquot and store at -20C long term. Avoid freeze-thaw cycles.
PBS solution containing 1.0% w/v BSA
0.1% Sodium Azide
Protein A or G purified

Alternate Names for Tenascin C Antibody (EB2)

  • 150-225
  • Cytotactin
  • Glioma-associated-extracellular matrix antigen
  • GMEM
  • GP 150-225
  • hexabrachion (tenascin C, cytotactin)
  • hexabrachion (tenascin)
  • Hexabrachion
  • HXB
  • HXBcytotactin
  • JI
  • MGC167029
  • Myotendinous antigen
  • neuronectin
  • Tenascin C
  • Tenascin J1
  • tenascin
  • tenascin-C isoform 14/AD1/16
  • Tenascin-C
  • TNC
  • TN-C
  • TNGP


Tenascin, also known as hexabrachion and cytotactin, is an extracellular matrix protein with a spatially and temporally restricted tissue distribution. It is a hexameric, multidomain protein with disulfide linked subunits of 190 to 240 kD, originally characterized as 'myotendinous antigen.' In the embryo it is present in dense mesenchyme surrounding developing epithelia and in developing cartilage and bone. In the adult, tenascin remains present in tendons and myotendinous junctions in the perichondrium and periosteum, as well as in smooth muscle. Tenascin (TN)(Erickson and Bourdon 1989, Erickson 1993) is a high molecular weight, multifunctional, extracellular matrix glycoprotein, expressed in association with mesenchymal-epithelial interactions during development and in the neovasculature and stroma of undifferentiated tumors. It has been described under a variety of names: cytotactin, hexabrachion protein, J1-200/220, myotendinous antigen (MI), neuronectin (NEC1) and glioma mesenchymal extracellular matrix (GMEM). The TN molecule is a disulfide-linked hexamer. Human TN has 3 subunits of 190, 200 and 220 kDa. It is primarily made up of 14.5 epidermal growth-factor-like repeats, 15 units similar to the fibronectin type-III-homology repeat and, at the C-terminus, has a sequence with homology to the globular domain of the beta and gamma chain of fibrinogen. Monoclonal antibody reacting specifically with tenascin is an essential tool for the localization, identification and studies on the role of the molecule in epithelial-mesenchymal and neuronal-glial interactions (Castellucci et al. 1991, Balza et al. 1993).


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.

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  1. One of our clients is looking for antibodies against tenascin C and fibronectin that could be used for FFPE rat tissues. These antibodies should exclusively recognize tenascin C and fibronectin and do not cross react with each other. Can you inform me if you have these antibodies?
    • Here is a link to Tenascin C antibodies we have validated in rat tissues for IHC-P Here are antibodies we have validated in fibronectin in rat tissues for IHC-P

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Gene Symbol TNC