TGF beta antibody (biotin) (61R-1680)
Mouse monoclonal TGF beta antibody (biotin)
Overview
Overview
| Synonyms | Monoclonal TGF beta antibody, Anti-TGF beta antibody, TGF beta antibody, Transforming Growth Factor beta 1 antibody, TGF-b1 antibody, TGFbeta1 antibody, Transforming Growth Factor beta 1 antibody, TGFbeta1 antibody, Anti TGF beta antibody, TGF-b1 antibody |
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| Specificity | Human |
| Applications | FC |
| Assay Information | A test is defined as the amount (ug) of antibody that will stain a cell sample in a final volume of 100 ul. Cell number should be determined empirically but can range from 105 to 108 cells/test. It is recommended that the antibody be carefully titrated for optimal performance in the assay of interest. |
Images
ELISA Assay using TGF beta antibody (biotin) (61R-1680)
Standard curve of human/mouse TGF beta antibody in ELISA
Specifications
| Host | Mouse |
|---|---|
| Clone | 16TFB |
| Isotype | IgG1 kappa |
| Tag/Conjugate | Biotin |
| Form & Buffer | Supplied in aqueous buffer with 0.09% sodium azide, may contain carrier protein/stabilizer. |
| Concentration | 500 ug/ml |
Usage & Assay Information
| Usage Recommendations | FC: = 0.25 ug/test |
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Storage & Safety
| Storage | Store at 2-8 deg C. Do not freeze. Protect from light. |
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General Information
| Biological Significance | The 16TFB antibody reacts with Transforming Growth Factor-beta a pleiotropic cytokine, exists in five isoforms, known as TGF-beta1-5. Homologies between isoforms range from 70-80% but no homology exists to TGF-a. TGF-beta1 is ubiquitous and the most abundant form found in lymphoid organs, while other isoforms are expressed in a more restricted distribution. The biologically active state of all isoforms are disulfide-linked homodimers. The heat- and acid- stable monomeric subunits have a length of 112 amino acids. The heat- and acid- stable monomeric subunits have a length of 112 amino acids. The isoforms of TGF-beta arise by proteolytic cleavage of longer precursors the isoforms are derived from the carboxyterminal ends of these precursors. Isoforms isolated from different species are evolutionarily closely conserved and have sequence identities on the order of 98%. Mature human, porcine, simian, chicken and bovine TGF-beta1 are identical and differ from mouse TGF-beta1 in a single amino acid. TGF-beta1 is produced in very high levels by platelets. Other cellular sources of TGF-beta1 include macrophages, lymphocytes, endothelial cells, chondrocytes, and leukemic cells. TGF-beta1 secretion can be induced by steroids, retinoids, EGF, NGF, vitamin D3, and IL-1. Activities of TGF-beta1 include inhibition of cell growth for inhibitor for normal and transformed epithelial cells, endothelial cells, fibroblasts, neurons, and lymphoid cells and other hematopoietic cell types. TGF-beta1 inhibits the proliferation of T cells and NK cells and downregulates the activities of activated macrophages. TGF-beta1 blocks the anti-tumor activity of IL-2 ? bearing lymphokine-activated killer cells. Recently, TGF-beta1 has been found to have a critical role in the development of regulatory T cells. Dendritic cells exposed to tumors have been reported to secrete TGF-beta1 and stimulate expansion of naturally-occurring T reg cells. Moreover, TGF-beta1 has been shown to act as a costimulatory factor for expression of Foxp3, leading to the differentiation of CD4+CD25+ Treg cells from peripheral CD4+CD25- progeny. TGF-beta-induced regulatory T cells have been termed Ti-Treg. |
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