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Title: A monoclonal antibody based solid-phase enzyme-binding assay to measure levels of placental alkaline phosphatase in serum of women during pregnancy. Author: Contractor SF, Holmes-Ievers E, Morgan A, Oakey M, Staines NA. Journal: J Immunol Methods; 1985 May 10; 79(1):99-108. PubMed ID: 3889164. Abstract: Monoclonal antibodies raised against highly purified placental alkaline phosphatase (PALP) reacted specifically with PALP and were found not to cross-react with the liver, kidney and intestinal enzymes. One of these antibodies (AP-3) was selected to develop an enzyme-binding assay to measure levels of PALP in the sera of 11 women throughout pregnancy. PALP activity rose sharply after 28 weeks of gestation reaching a peak at delivery followed by an immediate drop within 4 days to values approaching non-pregnant levels. The potential of using this assay as an index of placental function to monitor progress of a pregnancy is discussed.[Abstract] [Full Text] [Related] [New Search]