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Related Experiment Videos

Phosphoglucomutase genetic polymorphism of newborns.

F Gloria-Bottini1, N Lucarini, R Palmarino

  • 1Chair of Preventive and Social Pediatrics, University of Rome Tor Vergata School of Medicine, Rome, Italy. bottini@med.uniroma2.it

American Journal of Human Biology : the Official Journal of the Human Biology Council
|July 27, 2001
PubMed
Summary

The phosphoglucomutase 1 (PGM1) genetic polymorphism, specifically the PGM1*2 allele in fathers, is linked to an increased risk of recurrent spontaneous abortion (RSA). This suggests paternal PGM1 alleles influence reproductive outcomes.

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Area of Science:

  • Human Genetics
  • Reproductive Biology
  • Population Genetics

Background:

  • Previous studies suggest phosphoglucomutase locus 1 (PGM1) genetic polymorphism is associated with recurrent spontaneous abortion (RSA), intrauterine development, and fertility.
  • The evolutionary and clinical relevance of PGM1 selection during intrauterine life warrants further investigation.

Purpose of the Study:

  • To investigate the joint maternal-neonatal PGM1 genotype distribution in an Italian rural population.
  • To examine the association of PGM1 alleles with RSA, considering maternal age, parity, and paternal PGM1 status.

Main Methods:

  • Analysis of PGM1 alleles (PGM1*1 and PGM1*2) in healthy mothers and newborns, and couples with RSA.
  • Assessment of Hardy-Weinberg equilibrium for joint maternal-neonatal PGM1 distribution.

Related Experiment Videos

  • Correlation of PGM1 genotype with maternal age, parity, and history of spontaneous miscarriage.

    • Main Results:

    • The joint maternal-neonatal PGM1 distribution deviated significantly from Hardy-Weinberg equilibrium, influenced by maternal age and parity.
    • A positive history of spontaneous miscarriage was associated with the joint mother-newborn PGM1 genotype distribution.
    • The PGM1*2 allele in the father was suggested to predispose to spontaneous abortion.
    • In couples with RSA, the presence of the paternal PGM1*2 allele was negatively associated with delivering a live infant within 5 years.

    Conclusions:

    • The findings support a hypothesis of PGM1 maternal selection at the reproductive level.
    • Differential roles of paternal PGM1*1 and PGM1*2 alleles may influence spontaneous abortion risk.
    • PGM1 genetic polymorphism has potential clinical relevance in recurrent spontaneous abortion.