Fosfatasa alcalina placenta ria de alto peso molecular en plasma de mujeres embarazadas durante el último trimestre de gestación

Authors

  • Adela Sembaj Universidad Nacional de Córdoba. Facultad de Ciencias Médicas
  • Carlota Carrizo Universidad Nacional de Córdoba. Facultad de Ciencias Médicas
  • José Moreno Barral Universidad Nacional de Córdoba. Facultad de Ciencias Médicas

DOI:

https://doi.org/10.31053/1853.0605.v57.n1.37290

Keywords:

Plasniatic high molecular weight placental alkaline phosphatase, Prcgnancy, 'l'h ud tri mester

Abstract

l-luni an hlood plasma conidios alkal inc phosphatasc (1-:(' 3. 1 .3. 1) isoenzymes from hone, 1 ver and intcstine. B lood of pregnant
women in the third trimester of gestation also contains afl isoenzynle of alkalinc phosphaiase froni placenta. placental-AP (PLAP). Seruni f'roni pregnint women in the last ini mester of gesialion shows activity of soluble placental alkaline phosphatase (sol-PLAP). It is also known thai a membrane bound high molecular wcight placental-AP (high Mi--PLAP) is preseni in butanol extract s 1 rom placental tissue. Neventheless. up to now. high Mi-PLAP has not hecn founded in human plasma. A rnethod developed in this laboratory al lows detection of membrane-hound alkaline phosphatase in pellet of pltsrrii centrtf'uged at 100.000xg. By applying
lii is nieihod wc have detected high molecular weight placental alkaline phosphatasc in plas- ma of healthy pregnani wonien ni the third trinicster of prcgnancy.

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Author Biographies

  • Adela Sembaj, Universidad Nacional de Córdoba. Facultad de Ciencias Médicas

    Cátedra de Química Biológica 

  • Carlota Carrizo, Universidad Nacional de Córdoba. Facultad de Ciencias Médicas

    Cátedra de Química Biológica

  • José Moreno Barral , Universidad Nacional de Córdoba. Facultad de Ciencias Médicas

    Cátedra de Química Biológica 

References

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Morton RK: The purification of alkaline phosphatase of animal tissues. Biocheinical Journal 57: 595-603, 1954

Bessey AC, Lowry, OH, Brock M: A method for the rapid determination of alkaline phosphatase to a serum soluble form by n-butanolic extraction. Biochemical and B iophysical Research Communications 164: 321-329, 1946

S. Fishman Wil, Sie HG: Organ-specific inhibition of human alkaline phosphatase isoenzymes of liver, bone, intestine and placenta: L-phenylalanine, L-tryptophan and L-homoarginine. Enzymologia 41: 141- 148, 1971

Van Belle H: Kinetics and inhibition of alkaline phosphatase from canine tissues. Biochimica and Biophysica Acta 289: 158- 162, 1972

Hoylaerts MF, Manes T. Millan JI,: Molecular mechanism of uncompetitive inhibition of human placental and germ-cell alkaline phosphatase. Biochemical Journal 286: 23-30, 1992

Szasz G. Gamma-glutamyltranspeptidase. In Bergmeyer HU: Methods of Enzymatic Analysis. New York: Academic Press Inc. New York, 1974, p715.

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Published

2001-11-30

Issue

Section

Original Papers

How to Cite

1.
Sembaj A, Carrizo C, Moreno Barral J. Fosfatasa alcalina placenta ria de alto peso molecular en plasma de mujeres embarazadas durante el último trimestre de gestación . Rev Fac Cien Med Univ Nac Cordoba [Internet]. 2001 Nov. 30 [cited 2024 Dec. 19];57(1):115-20. Available from: https://revistas.unc.edu.ar/index.php/med/article/view/37290

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