Cannabinoids may help repair cartilage tissue – Find Hashich Store Winnipeg Canada

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With significant advances in research on the role of cannabinoid receptors in bone behavior, this article aims to establish if there is also potential for a therapeutic use of cannabinoids in the reconstruction of cartilage. Due to its slow repair capacity and the prevalence of cartilage diseases, this subject has become an important field of research in medicine.

Regenerative medicine (tissue repair)

An article published in 2000 defines "tissue engineering" as the emerging discipline in terms of the design and construction of parts of the human body capable of restoring function based on molecular bioengineering. In this way, replacement of lost parts should perform similar biological functions.

To manufacture biomimetic substitutes, three basic ingredients have been identified: inductive signals, receptive candidate cells, and an appropriate extracellular matrix (ECM). Signs, as well as growth factor, are an essential component for any biomaterial of tissue engineering, since most candidate cells involved in tissue engineering processes lose their program of intrinsic differentiation. To date, neither conventional treatments nor surgical techniques for repair lost cartilage tissues have given satisfactory results in the long term. Therefore, the future of this new science is very promising, especially for degenerative diseases of the joints. In addition, better control may be possible in combination with cannabinoid drugs.

The endocannabinoid system (SEC)

The endocannabinoid system is composed of endocannabinoid ligands (the best known are anandamide and 2-arachidonylglycerol), which are molecules that produce a signal by binding to a target site, the cannabinoid receptors (called CB1 and CB2), and the enzymes that synthesize and degrade endocannabinoids. CB1 receptors are found mainly in the central and peripheral nervous system, where they mediate the inhibition of neurotransmitter release. In particular, the pattern of distribution of CB1 receptors at the spinal, supra-spinal and peripheral levels supports their ability to produce analgesic signals, both in animals and in humans.

On the other hand, CB2 receptors are found mainly in immune cells. However, it has been reported that CB2 is involved in depression, emesis and drug abuse, playing roles wider than those restricted to peripheral and defense cells. In any case, the new evidence implicates the SEC in a wide variety of physiological and pathophysiological processes.

The Chondrocytes and the SEC

Chondrocytes are the cells present in healthy cartilage, which produces and maintains a cartilaginous matrix (mainly collagen and proteoglycans).

It has been described that synthetic cannabinoids act as cartilage protective agents in animals, through their ability to inhibit the production of nitric oxide and also by repealing the degradation of proteoglycans (the filler material found between cells in an organism). ). Another study showed that cannabinoid receptors type 1 (CB1) and 2 (CB2) are found in human osteoarthritis articular chondrocytes. In addition, the same research concluded that a synthetic cannabinoid inhibited the production of inflammatory signals in bovine articular chondrocytes.

A different publication revealed that CB1 and CB2 are present in the auxiliary cartilage cells, as well as the fibroblast, myofibroblast and synoviocytes. Additionally, the results also showed that the activation of the endocannabinoid system cushions the destruction of the cartilage by decreasing the metalloproteinase secreted by fibroblasts (enzymes that separate collagen in the space between cells). Certainly, ajulemic acid, a synthetic cannabinoid, Analogue of 11-Nor-9-carboxy-THC (the main non-psychoactive metabolite of Δ9-THC, produced in the body after cannabis use), induces an anti-inflammatory profile of eicosanoids in human synovial cells, preventing the degradation of cartilage.

Research on the endocannabinoid system in terms of mesenchymal stem cells (MSCs), which are the precursors of cartilage, has been conducted with positive results. A review examined three factors of the CMM: survival, migration and differentiation, and established that during an inflammation (severe stress), the presence of Δ9-THC enhances the survival of the CMM.

Additionally, a significant increase in the migration of the CMM to the site with tissue damage was induced by anandamide, which implies an acceleration in the tissue regeneration of cartilage and an improvement in the success of tissue engineering strategies. Finally, the Δ9-THC also enhances chondrogenesis in CMM. It was demonstrated that MSCs differentiate into chondrocytes as determined by a proliferation in the expression of collagen II and the presence of proteoglycan deposits in the extracellular matrix.

As a final point, another non-psychoactive phytocannabinoid, the cannabidiol (CBD), demonstrated immunosuppressive and anti-inflammatory effects in a mouse model for rheumatoid arthritis.


The evidence presented highlights how the endocannabinoid system can affect the major facets of mesenchymal stem cells and supports the benefits of cannabinoid-based medicines in their application for tissue engineering, destined to attenuate cartilage degradation Y facilitate its repair. For example, the properties of CBD provide good protection against histological lesions, especially in arthritic disorders, improving the symptoms caused by this condition.

However, more research on medicinal cannabis in humans is needed to better understand all the pharmacological mechanisms by which the cartilage degradation is avoided through the use of cannabis.

Did you like this post? Make an assessment. This post has been made based on existing research until the date of publication of the article. Due to the increase of studies around medical cannabis, the information exposed may vary over time and we will inform in subsequent writings.


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Cannabinoids may help repair cartilage tissue


Cannabinoids may help repair cartilage tissue


Due to its slow repair capacity of cartilage tissue and the prevalence of cartilage diseases, this article demonstrates the potential in the use of cannabinoids for the reconstruction of cartilage.


Mario Romano

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