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Related Experiment Video

Updated: Jul 11, 2026

Medium-throughput Screening Assays for Assessment of Effects on Ca2+-Signaling and Acrosome Reaction in Human Sperm

Medium-throughput Screening Assays for Assessment of Effects on Ca²⁺-Signaling and Acrosome Reaction in Human Sperm

Published on: March 1, 2019

CB2 receptors in reproduction.

¹Department of Biomedical Sciences, University of Teramo, Teramo, Italy. mmaccarrone@unite.it

British Journal of Pharmacology

|September 11, 2007

Summary

The endocannabinoid system (ECS) plays a crucial role in reproduction. Targeting type-2 cannabinoid (CB2) receptors offers a promising strategy for treating infertility and enhancing reproductive health in both sexes.

Area of Science:

Reproductive Biology
Endocrinology
Immunology

Background:

Cannabinoids were historically viewed as detrimental to reproduction.
The discovery of the endocannabinoid system (ECS) revealed its integral role in reproductive processes.
Mouse models lacking ECS components have elucidated its significance.

Purpose of the Study:

To review the involvement of type-2 cannabinoid (CB2) receptors in male and female reproductive biology.
To explore the immunological role of CB2 at the maternal/fetal interface.
To highlight the distinct properties of CB2 versus CB1 receptors for potential fertility regulation.

Main Methods:

Review of existing literature on ECS and reproduction.
Analysis of studies using genetically modified mouse models.

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Comparative analysis of CB1 and CB2 receptor signaling pathways and localization.

Main Results:

Endocannabinoid signaling is vital for numerous reproductive events, including spermatogenesis, fertilization, and embryonic development.
CB2 receptors have a significant role in reproductive health and maternal-fetal interactions.
Differences in signaling, activation, and localization between CB1 and CB2 receptors are key.

Conclusions:

The ECS, particularly CB2 receptors, presents a novel therapeutic target for infertility.
Understanding CB2 receptor function can lead to new treatments for reproductive disorders.
Exploiting subtype-specific receptor regulation may offer precise control over fertility.