Vasohibin is an endothelium-derived negative feedback regulator of angiogenesis. The 365 aa, 44kD human Vasohibin shows 93% aa identity with mouse Vasohibin. Vasohibin has no canonical signal sequence, but the full-length form is only associated with cells, while N-terminally cleaved, active 42kD and 36kD forms are both cell-associated and secreted. Minor amounts of C-terminally cleaved 27kD form are inactive and lack the C-terminal heparin-binding basic domain. Vasohibin expression is upregulated by VEGF and FGF2, but this can be modulated by IL-1, TNFalpha or IFNy.
Applications:
Suitable for use in Direct ELISA and Western Blot. Other applications not tested.
Recommended Dilution:
Direct ELISA: 0.5-1.0ug/ml detection limit for rhVasohibin is ~ 1ng/well.
Western Blot: 1-2ug/ml detection limit for rh Vasohibin is ~ 25ng/lane under non-reducing and reducing conditions.
Optimal dilutions to be determined by the researcher.
Storage and Stability:
Lyophilized powder may be stored at -20 degrees C. Reconstitute to nominal volume by adding sterile 40-50% glycerol, aliquot and store at -20 degrees C. Reconstituted product is stable for 12 months at -20 degrees C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Further dilutions can be made in assay buffer.