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Does The Endocannabinoid System Impact Gyno Cancers?

Branna Z.
gyno, gynecological, female reproductive system, uterus, ovary, uterine lining, ovarian cancer, endometrial cancer

There is more and more evidence that cannabinoid therapy can help repair a malfunctioning endocannabinoid system that is spreading cancer.

The endocannabinoid system (ECS) is made up of receptors and the ligands that fit into those receptors: anandamide and 2-AG. Receptor types include: two G-protein coupled, CB1 and CB2. CB1 is the main receptor involved in the central nervous system (CNS). It can also be found in peripheral tissues, such as adrenal glands, ovaries, uterus, prostate and placenta. CB2, on the other hand, is mainly found in immune-based tissues, such as spleen, tonsils, and bone marrow.

Endocannabinoids are involved in maintaining healthy functioning for many areas of the body.  When the endocannabinoid system (ECS) malfunctions, however, disease follows.  In fact, the ECS plays an important role in the regulation of the main processes that lead to cancer.

Endocannabinoid System and The Female Reproductive Tract

Recent data demonstrates the involvement of the ECS in numerous physiological and the pathological processes of the female genital tract. So, it is not surprising that the dysregulation of the ECS be implicated in the development of  gyno cancers.

Different studies have already confirmed the presence of components of ECS in the uterus. Anandamide, for example, helps with successful implantation of the embryo into the uterine wall.

gyno, ovary, fallopian tube, uterus, implantation, pregnancy, uterine cancer, ovarian cancer

Increased CB2 Receptors in Gyno Cancer Tissue

The most important marker for the presence of endometrial carcinoma is increased CB2. This is because CB2 receptors are highly expressed in biopsies for this type of cancer, and weakly expressed in healthy tissue.  CB2 receptors probably play a key role in the regulation of growth and death of  cancer cells.

A recent study showed that CB2 receptors have a potential role in control of cancer cell growth through the regulation of the mitochondrial function and apoptosis (cell death). According to all of these findings, there is no doubt that ECS plays a role in the pathophysiology of the endometrial cancer, and it is imperative that the pharmacological targets for the treatment proceed to the clinical testing phase.

Furthermore, in the case of the cervical cancer, western blot and RT-PCR have confirmed the presence of the CB1R, CB2R and TRPV1 receptors in the different cervical cancer cell lines.

Ovarian Cancer Made Worse by Dysfunction in ECS

For ovarian cancer, the data suggests that anandamide is produced in the ovary, is under hormonal control, and plays a role in all stages of ovulation.  In addition, aggressive ovarian cancer cells display highly elevated levels of Monoglycerol lipase (MAGL). This enzyme breaks down the endoannabinoid 2-AG, which will interfere with reproductive processes. It may also cause the body response of increasing concentration of CB2 receptors.

MAGL regulates a fatty acid network that promotes migration, survival and tumor growth. Interestingly, over expression of MAGL in non-aggressive cancer cells re-instates fatty acid networks and increases the aggressiveness of the cancer.

What About GPR55?

Recently, G-protein coupled receptor 55 (GPR55) has been proposed as a potential cannabinoid receptor. It has even been given the moniker CB3 receptor.  Elevated GPR55 was displayed in several ovarian cancer cell lines and seems to have a critical role in regulating cell proliferation. It was also shown that the expression of CB1 receptors increased in malignant ovarian tumors.

uterus, gyno, cancer, endometrial cancer, tumor, malignancy, endocannabinoid system, ECS

What Does This Mean For Gyno Cancers and Cannabis Medicine?

Available data demonstrates that the endocannabinoid system plays a decisive role in the development and progression of the gynecological malignancies. It appears to have several anti-tumor strategies, including killing cancer cells, anti-metastatic effects, and inhibiting the formation of blood vessels that promote metastasis. The ECS also seems to interfere with some of the key cellular traits of cancer cells, including invasion and adhesion.

Cannabinoids, such as THC and CBD, are able to signal the same receptors that anandamide and 2-AG do. This suggests that there is a place for cannabinoid therapy in reducing the aggression and development of gyno cancers. More research, including cannabinoid replacement therapy, needs to be completed before recommendations can be made.

 

 

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Branislava Zagorac
1 Comment
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    drbob MELAMEDE

    A cell in healthy homeostasis does not produce excess free radicals. All illnesses are metabolic imbalances. Cancer cells are metabolically stressed and produce excess free radicals that required them to adjust their metabolic pathways to prevent excess free radical production that leads to apoptosis. The key to killing any cancer is to deprive it of fuel while overloading it with free radicals. Radiation and chemo therapy selects for drug resistance by increasing metabolic flexibility to deal with free radical overload

    Monograph Physics of Life
    https://www.hemp.com/2018/12/in-g-o-d-we-rust-the-beauty-of-unintelligent-design/

    Animation Metabolic Plasticity

    May 3, 2019 at 8:22 pm Reply

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