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How can we help you today?
Need help with product selection and ordering?
Email us at sales@sciencellonline.com
Need help with scientific inquiries, technical assistance, product applications, and use?
Email us at techsupport@sciencellonline.com
Need help with issues concerning this website?
Email us at webmaster@sciencellonline.com
Have any marketing related inquiries?
Email us at marketing@sciencellonline.com
Need help ordering from abroad?
As the largest cell provider, we are available worldwide.
Please visit our Distributors page to select the company nearest to your location.
We are located at 1610 Faraday Ave, Carlsbad, CA 92008
Call us at (877) 602-8549 or (760) 602-8549
Fax us at (760) 602-8575
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Activin A is a homodimer of 14kDa beta-A. Activin A, a cytokine member of the transforming growth factor-beta superfamily, is expressed locally by the mesenchymal component of the hemopoietic microenvironment. Its expression is regulated on the mRNA level by different cytokines, and the biological activity of the protein is tightly controlled by several inhibitory molecules. Inhibins and activins are members of the transforming growth factor beta superfamily and are known to modulate the growth and differentiation of several cell types. Inhibins and activins inhibit and activate, respectively, the secretion of follitropin by the pituitary gland. Inhibins/activins are involved in regulating a number of diverse functions such as hypothalamic and pituitary hormone secretion, gonadal hormone secretion, germ cell development and maturation, erythroid differentiation, insulin secretion, nerve cell survival, embryonic axial development or bone growth, depending on their subunit composition. Inhibins appear to oppose the functions of activins. The standard product used in this kit is recombinant Activin A, which is composed of two single chains of 116 amino acids with the molecular mass of 26KDa.
ScienCell’s human Activin A ELISA Kit is based on standard sandwich enzyme-linked immunesorbent assay technology. Human Activin A-specific monoclonal antibodies are precoated onto 8 x 12 strips. The human specific detection monoclonal antibodies are biotinylated. The test samples and biotinylated detection antibodies are subsequently added to the wells and then washed with PBS or TBS buffer. Avidin-Biotin-Peroxidase Complex is added and unbound conjugates are washed away with PBS or TBS buffer. HRP substrate TMB is used to visualize HRP enzymatic reaction. TMB is catalyzed by HRP to produce a blue color product that changes into yellow after adding acidic stop solution. The intensity of yellow is proportional to the human Activin A amount of sample captured in strips.
Catalog No. | EK0301 |
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Country of Manufacture | China |
Product Code | hActA-ELISA |
Size/Quantity | 96 Tests |
Product Use | This product is for research use only. It is not approved for use in humans, animals, or in vitro diagnostic procedures. |
Storage | Store at 4 |
Shipping Info | Gel ice. |
References | 1. Shav-Tal, Y.; Zipori, D. The role of activin a in regulation of hemopoiesis. Stem Cells. 2002;20(6):493-500. 2. Di, Loreto, C.; Reis, FM.; Cataldi, P.; Zuiani, C.; Luisi, S.; Beltrami, CA.; Petraglia, F. Human mammary gland and breast carcinoma contain immunoreactive inhibin/activin subunits: evidence for a secretion into cystic fluid. Eur J Endocrinol.1999 Aug;141(2):190-4. |
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