Anti-Human DAN

NS0-Derived Recombinant Human DAN

This antigen affinity purified polyclonal antibody has been 0.2 µm filtered and lyophilized from modified Dulbecco’s phosphate buffered saline (1X PBS) pH 7.2 – 7.3 containing 5.0% w/v trehalose with no calcium, magnesium, or preservatives present.

Lyophilized

The lyophilized antigen affinity purified polyclonal antibody can be stored desiccated at -20°C to -70°C for twelve months from date of receipt. The reconstituted antibody can be stored for at least four weeks at 2-8°C. For long-term storage of the reconstituted antibody, aseptically aliquot into working volumes and store at -20°C to -70°C in a manual defrost freezer. Avoid Repeated Freeze Thaw Cycles. No detectable loss of activity was observed after six months.

Next Day Ambient

IHC (NBF/Par.): This antibody should give satisfactory staining results when used at a concentration of 10 µg/ml. The recommended secondary antibody for IHC is PN:G505. For chromogenic detection with high signal and low background use PN:D100 or PN:K107.
Blocking: This antibody will block 95% of the binding of 100 ng/ml of Recombinant Human BMP-4 to immobilized Recombinant Human DAN (100 μl of 2 μg/ml was coated in each well) in a functional ELISA. 50% inhibition occurs at an antibody concentration of approximately 6 - 24 μg/ml.

Goat Anti-Human Differential Screening-Selected Gene Aberrative in Neuroblastoma (DAN) recognizes Human DAN. This antigen affinity purified polyclonal antibody was purified using a proprietary chromatographic technique that includes covalently immobilizing the antigen proteins or peptides to agarose based beads. This purification method enhances specificity, reduces nonspecific binding of extraneous IgG and provides you with the most reliable reagent available for your early discovery research.

DAN is a secreted glycoprotein related to Xenopus laevis cerberus. It is being referred to also as DAND1 [DAN domain family member 1]. The gene has been described also as NO3 gene, which shows tumor suppressor activity in cells transformed by the src oncogene.¹ DAN belongs to a gene family, termed CAN family, that includes the head-inducing factor Gremlin, Cerberus, PRDC.² DAN and several other members of the can family act as antagonists of BMP and appear to block BMP signaling by preventing bone morphogenetic proteins from interacting with their receptors. DAN has recently been demonstrated to have a tumor-suppressive activity in vitro and may have an important role in regulation of the entry of cells into the S phase.³

1. Ozaki and Sakiyama, (1993) Proceedings of the National Academy of Sciences 90(7) 2593-2597
2. Pearce, JJH. et al. (1999) Developmental Biology 209: 98
3. Sakiyama, S. et al. Cancer Res. (1995): 895