Suckling a protein-restricted rat dam leads to diminished albuminuria in her male offspring in adult life: a longitudinal study
2006

Effects of Maternal Protein Restriction on Kidney Health in Rats

Sample size: 60 publication 10 minutes Evidence: high

Author Information

Author(s): Clive J Petry, Bridget J Jennings, Lynwen A James, Charles N Hales, Susan E Ozanne

Primary Institution: Department of Clinical Biochemistry, University of Cambridge

Hypothesis

Does maternal protein restriction during suckling affect kidney function and longevity in male rats?

Conclusion

Male rats exposed to maternal protein restriction while suckling showed lower urine albumin excretion, suggesting protection against kidney damage.

Supporting Evidence

  • Rats exposed to maternal protein restriction while suckling had significantly lower albumin to creatinine ratios.
  • The differences in kidney function were evident from three months of age and persisted into adulthood.
  • Control and recuperated rats had indistinguishable albuminuria rates, both significantly higher than the PLP group.

Takeaway

If baby rats don't get enough protein from their moms, they might grow up with healthier kidneys and live longer.

Methodology

Pregnant Wistar rats were fed either a control diet (20% protein) or a low protein diet (8%) and their offspring's urine was analyzed for albumin and creatinine over time.

Potential Biases

Potential bias in the selection of animal models and diets used.

Limitations

The study only included male rats, which may limit the generalizability of the findings to females.

Participant Demographics

Male Wistar rats from different litters.

Statistical Information

P-Value

p<0.001

Confidence Interval

95% confidence interval for albumin to creatinine ratios: control 79.5 (57.2~110.6), recuperated 71.0 (47.4~106.5), PLP 21.2 (14.7~30.4)

Statistical Significance

p<0.001

Digital Object Identifier (DOI)

10.1186/1471-2369-7-14

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