The OSF2 ELISA kits listed below are analytical tools for measuring concentrations of OSF2 in various samples. OSF2 is an alternative name for the human POSTN gene, which encodes the protein, periostin. Structurally, the POSTN protein is 836 amino acid residues in length and 93.3 kilodaltons in mass. However, as many as 7 protein isoforms have been identified. It is localized to the golgi, extracellular matrix, and is secreted of the cell. In terms of tissue specificity, it is reported to be widely expressed with highest levels in aorta, stomach, lower gastrointestinal tract, placenta, uterus, thyroid tissue and breast..
The detection range for different OSF2 ELISA kits can vary, with some assays measuring target concentrations as low as 62.5 pg/mL and as high as 0.065 ng/mL. Click on the following ELISA kits for more detailed information, including target reactivity and assay sensitivity.