Alkaline phosphatase (ALP) removes phosphate groups from the 5' end of DNA and RNA, and from proteins. Most mammals have 4 different isozymes: placental, placental like, intestinal and non tissue specific (found in liver, kidney and bone). Tissues with particularly high concentrations of ALP include the liver, bile ducts, placenta, and bone. Placental ALP is highly polymorphic, there are at least three common alleles. Damaged or diseased tissue releases enzymes into the blood, so serum ALP measurements can be abnormal in many conditions, including bone disease and liver disease.
Background References
1. Ezra E., Blacher R., Udenfriend S.; "Purification and partial sequencing of human placental alkaline phosphatase."; Biochem. Biophys. Res. Commun. 116:1076-1083(1983).
2. Garattini E., Hua J.-C., Pan Y.C.E., Udenfriend S.; "Human liver alkaline phosphatase, purification and partial sequencing: homology with the placental isozyme."; Arch. Biochem. Biophys. 245:331-337(1986).
Western blot analysis of Alkaline Phosphatase(PLAP-1/PLAP-like) on different lysates with Rabbit anti-Alkaline Phosphatase(PLAP-1/PLAP-like) antibody (0806-4) at 1/5,000 dilution.
Lane 1: HeLa (Human cervical adenocarcinoma cell) cell lysate Lane 2: SiHa (Human cervical cancersSquamous cell) cell lysate
Lysates/proteins at 10 µg/Lane. Exposure time: 3 minutes; ECL: K1801
Blocking: 5% NFDM/TBST, 1 hour at room temperature Primary antibody: 0806-4, 1/5,000 in primary antibody dilution buffer (K1803), overnight at 4℃ Secondary antibody: Goat anti-Rabbit IgG-HRP (HA1001), 1/50,000 in 5% NFDM/TBST, 1 hour at room temperature
Predicted band size: 58 kDa Observed band size: 58 kDa
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