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|Recombinant Human GIF / Gastric intrinsic factor protein (Catalog#13544-H08H)|
|0.2 μm filtered solution in PBS with 5% trehalose|
|Produced in rabbits immunized with purified, recombinant Human GIF / Gastric intrinsic factor (rh GIF / Gastric intrinsic factor; Catalog#13544-H08H; P27352-1; Met1-Tyr417). GIF / Gastric intrinsic factor specific IgG was purified by Human GIF / Gastric intrinsic factor affinity chromatography.|
|Human GIF / Gastric intrinsic factor|
ELISA: 0.1-0.2 μg/mL
This antibody can be used at 0.1-0.2 μg/mL with the appropriate secondary reagents to detect Human GIF / Gastric intrinsic factor. The detection limit for Human GIF / Gastric intrinsic factor is approximately 0.00975 ng/well.
IHC-P: 0.1-2 μg/mL
|This antibody can be stored at 2℃-8℃ for one month without detectable loss of activity. Antibody products are stable for twelve months from date of receipt when stored at -20℃ to -80℃. Preservative-Free.|
Sodium azide is recommended to avoid contamination (final concentration 0.05%-0.1%). It is toxic to cells and should be disposed of properly. Avoid repeated freeze-thaw cycles.
Gastric intrinsic factor, also known as GIF, belongs to the of the cobalamin transport protein family. It is a glycoprotein produced by the parietal cells of the stomach. Gastric intrinsic factor plays a key role in the absorption of vitamin B12 on in the small intestine. Vitamin B12 bounds to haptocorrin after entry into the stomach. The resulting complex enters the duodenum, where pancreatic enzymes digest haptocorrin. In the less acidic environment of the small intestine, B12 can then bind to gastric intrinsic factor. This new complex travels to the ileum, where special epithelial cells endocytose them. Inside the cell, B12 dissociates once again and binds to another protein, transcobalamin II. The new complex can exit the epithelial cells to enter the liver.