In utero protein restriction causes growth delay and alters sperm parameters in adult male rats
2011

Effects of Low Protein Diet During Pregnancy on Male Rat Development

Sample size: 18 publication 10 minutes Evidence: moderate

Author Information

Author(s): Toledo Fabíola C, Perobelli Juliana E, Pedrosa Flávia PC, Anselmo-Franci Janete A, Kempinas Wilma DG

Primary Institution: University of Campinas - UNICAMP

Hypothesis

Does in utero protein restriction affect the sexual development and reproductive function of male rats?

Conclusion

In utero protein restriction causes growth delay and alters male reproductive-system programming in rats, leading to reduced sperm quality in adulthood.

Supporting Evidence

  • In utero protein restriction reduced body weight of male pups at various developmental stages.
  • Sertoli cell number and sperm motility were significantly lower in rats subjected to protein restriction.
  • Higher rates of sperm with morphological abnormalities were observed in the hypoproteic group.

Takeaway

When baby rats don't get enough protein while they're growing in their mom's belly, they can grow up to have problems with their sperm and overall health.

Methodology

Pregnant Wistar rats were divided into two groups: one received standard chow and the other received hypoproteic chow during gestation, with male offspring assessed at different developmental stages.

Potential Biases

Potential bias in the selection of experimental groups and the assessment methods used.

Limitations

The study was conducted on rats, which may not fully represent human physiology.

Participant Demographics

Wistar rats, with 20 adult females and 10 adult males used in the study.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/1477-7827-9-94

Want to read the original?

Access the complete publication on the publisher's website

View Original Publication