How Cannabinoid Signaling Works Throughout the Body: An Overview

The endocannabinoid system plays roles in numerous physiological processes including cardioprotection, but therapeutic development has been limited by psychoactive side effects and incomplete understanding of mechanisms.

Lu, Yan et al.·Canadian journal of physiology and pharmacology·2017·Moderate EvidenceReview
RTHC-01440ReviewModerate Evidence2017RETHINKTHC RESEARCH DATABASErethinkthc.com/research

Quick Facts

Study Type
Review
Evidence
Moderate Evidence
Sample
Not reported

What This Study Found

This review provided a broad overview of the endocannabinoid system and its therapeutic potential, with particular attention to an emerging area: cardioprotection.

The endocannabinoid system is involved in a wide range of physiological processes, and several cannabinoids can be prescribed in Canada for conditions including nausea and pain. The review noted that beyond these established uses, an increasing number of reports suggest beneficial effects of endocannabinoid signaling for the cardiovascular system.

However, the therapeutic potential of cannabinoids remains largely unrealized for two reasons. First, the mechanisms through which cannabinoids produce their effects are not fully understood. Second, pronounced psychoactive side effects have limited clinical development.

The review covered the basic components of the endocannabinoid system, known physiological roles, and the range of disease conditions in which cannabinoid receptor signaling has been implicated.

Key Numbers

Several cannabinoids available by prescription in Canada for nausea and pain. The review covers multiple physiological systems but does not present original quantitative data.

How They Did This

Review article providing an overview of the endocannabinoid system, its physiological roles, and conditions where cannabinoid signaling has therapeutic implications, with emphasis on cardioprotection.

Why This Research Matters

This review contextualizes the therapeutic potential of cannabinoids within the broader understanding of the endocannabinoid system, highlighting both the promise and the obstacles to clinical translation.

The Bigger Picture

The cardioprotective potential of endocannabinoid signaling is a relatively new research direction that could expand cannabinoid medicine beyond its current applications in pain, nausea, and spasticity. Understanding how to harness these benefits without psychoactive effects remains the central challenge.

What This Study Doesn't Tell Us

Broad overview that does not deeply analyze any single application. The cardioprotective evidence is described as emerging rather than established. Published from a Canadian perspective, regulatory context may differ in other countries.

Questions This Raises

  • ?Could peripheral-only cannabinoid compounds provide cardioprotection without psychoactive effects?
  • ?Which cardiovascular conditions are most amenable to cannabinoid-based intervention?
  • ?How does the endocannabinoid system interact with established cardiovascular medications?

Trust & Context

Key Stat:
Emerging evidence suggests endocannabinoid signaling provides cardioprotection
Evidence Grade:
Broad review of the endocannabinoid system. Moderate because it synthesizes established knowledge with emerging evidence.
Study Age:
Published in 2017.
Original Title:
Cannabinoid signaling in health and disease.
Published In:
Canadian journal of physiology and pharmacology, 95(4), 311-327 (2017)
Database ID:
RTHC-01440

Evidence Hierarchy

Meta-Analysis / Systematic Review
Randomized Controlled Trial
Cohort / Case-Control
Cross-Sectional / ObservationalSnapshot without intervening
This study
Case Report / Animal Study

Summarizes existing research on a topic.

What do these levels mean? →

Frequently Asked Questions

What does the endocannabinoid system do?

It is involved in numerous physiological processes including pain modulation, appetite, mood, and potentially heart protection. It consists of receptors (CB1, CB2), endocannabinoids (anandamide, 2-AG), and enzymes that create and break down these signaling molecules.

Why aren't more cannabinoid medicines available?

Two main barriers: the psychoactive side effects of compounds that activate CB1 receptors in the brain, and incomplete understanding of how the system works, making it difficult to develop targeted treatments.

Read More on RethinkTHC

Cite This Study

RTHC-01440·https://rethinkthc.com/research/RTHC-01440

APA

Lu, Yan; Anderson, Hope D. (2017). Cannabinoid signaling in health and disease.. Canadian journal of physiology and pharmacology, 95(4), 311-327. https://doi.org/10.1139/cjpp-2016-0346

MLA

Lu, Yan, et al. "Cannabinoid signaling in health and disease.." Canadian journal of physiology and pharmacology, 2017. https://doi.org/10.1139/cjpp-2016-0346

RethinkTHC

RethinkTHC Research Database. "Cannabinoid signaling in health and disease." RTHC-01440. Retrieved from https://rethinkthc.com/research/lu-2017-cannabinoid-signaling-in-health

Access the Original Study

Study data sourced from PubMed, a service of the U.S. National Library of Medicine, National Institutes of Health.

This study breakdown was produced by the RethinkTHC research team. We analyze and report published research findings without making health recommendations. All interpretations are based solely on the published abstract and study data.