I-FABP, Human, pAb

Catalog #: HP9020
Quantity: 100 µg

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The polyclonal antibody recognizes human intestinal fatty acid binding protein (I-FABP) of both natural and recombinant origin. The I-FABP protein is derived from the human FABP2 gene. FABPs are small intracellular proteins (~13-14 kDa) with a high degree of tissue specificity that bind long chain fatty acids. They are abundantly present in various cell types and play an important role in the intracellular utilization of fatty acids, transport and metabolism. There are at least nine distinct types of FABP, each showing a specific pattern of tissue expression. Due to its small size, FABP leaks rapidly out of ischemically damaged necrotic cells leading to a rise in serum levels. Ischemically damaged tissues are characterized histologically by absence (or low presence) of FABP facilitating recognition of such areas. I-FABP is localized in the small bowel epithelium, with highest expression level in the jejunum.


Catalog number HP9020
Product type Polyclonal antibodies
Quantity 100 µg
Formulation 1 ml (100 µg/ml) 0.2 µm filtered antibody solution in PBS, containing 0.1% bovine serum albumin and 0.02% sodium azide.
Isotype Rabbit Ig
Species Human
Cross reactivity Mouse - Yes, Rat - Yes, Sheep - Yes, Swine - Yes
Storage and stability Product should be stored at 4°C. Under recommended storage conditions, product is stable for one year.
Precautions For research use only. Not for use in or on humans or animals or for diagnostics. It is the responsibility of the user to comply with all local/state and federal rules in the use of this product. Hycult Biotech is not responsible for any patent infringements that might result with the use or derivation of this product.
Disease Cardiology and metabolism, Gastroenterology
  • Application:
    IA, W
  • Use:
    For immuno assay and Western blotting, dilutions to be used depend on detection system applied. It is recommended that users test the reagent and determine their own optimal dilutions. The typical starting working dilution is 1:50.
1. Kanda, T et al; Intestinal fatty acid-binding protein is available for diagnosis of intestinal ischaemia; immunochemical analysis of two patients with ischaemic intestinal diseases. Gut 1995, 36: 788
2. Kanda, T et al; Intestinal fatty acid-binding protein is a useful diagnostic marker for mesenteric infarction in humans. Gastroenterology 1996, 110: 339
3. Morissey, P et al; Small bowel allograft rejection detected by serum intestinal fatty acid-binding protein is reversible. Transplantation 1996, 61: 1451