Localisation and Function of the Endocannabinoid System in the Human Ovary
2009

Endocannabinoid System in the Human Ovary

Sample size: 37 publication 10 minutes Evidence: moderate

Author Information

Author(s): El-Talatini Mona R., Taylor Anthony H., Elson Janine C., Brown Laurence, Davidson Allan C., Konje Justin C.

Primary Institution: University of Leicester

Hypothesis

The study aimed to localize the endocannabinoid system in the ovary and investigate the relationship between follicular fluid AEA levels and ovarian events.

Conclusion

The study suggests that AEA is produced in the ovary, is under hormonal control, and plays a role in folliculogenesis, preovulatory follicle maturation, oocyte maturity, and ovulation.

Supporting Evidence

  • AEA concentrations were significantly higher in mature follicles compared to immature ones.
  • Follicular fluid AEA levels correlated positively with follicle size.
  • ROC analysis indicated that a FF AEA level of 1.09 nM could discriminate between mature and immature oocytes.

Takeaway

The ovary makes a substance called AEA that helps eggs grow and mature, which is important for having babies.

Methodology

The study involved immunohistochemical examination of ovarian tissues and measurement of AEA concentrations in follicular fluid from women undergoing IVF.

Potential Biases

Potential bias due to the selection of participants who were undergoing IVF treatment.

Limitations

The study had a small sample size and focused only on women undergoing IVF, which may limit the generalizability of the findings.

Participant Demographics

The mean age of participants was 33.28 years, with a mix of primary and secondary infertility causes.

Statistical Information

P-Value

0.001

Confidence Interval

95% CI = 46.52% to 90.31%

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.pone.0004579

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