A STUDY by a Scottish university has for the first time shown the effective-ness of cannabidiol in treating skin conditions and could pave the way for future cancer research.
Researchers at the University of Dundee conducted the study into the non-psychotropic substance, which is also known as CBD and is seen by some as the “medical holy grail”.
Part of the cannabis plant with known antioxidant and anti-inflammatory effects, CBD has been much-hyped as a potential cure for an extensive range of diseases.
It has previously been tested in clinical trials for the treatment of multiple sclerosis, Parkinson’s and Huntington’s disease, as well as being hailed as a possible treatment for everything from mental health conditions to inflammation and acne.
CBD is already being used to treat seizures associated with two severe forms of epilepsy and has also been hailed as a possible cancer therapy.
Now a team led by Dr Laureano de la Vega in Dundee’s School of Medicine has identified the molecular target of CBD in skin cells. The discovery helps explain some of its beneficial effects and could better identify which conditions CBD might be useful to treat.
“CBD has been promoted as a medical holy grail that supposedly can cure a vast array of conditions including anxiety, depression, inflammation, cancer and acne,” said Dr de la Vega. Because of this, we wanted to reveal what CBD was actually doing in the cells of our skin, and use that to inform the potential use of CBD for skin conditions.
“Despite proven anti-inflammatory, anti-oxidative, and neuroprotective effects and the multi-billion dollar industry of CBD-based products, its mechanism of action was not known and its general use lacked a scientific rationale.
He continued: “We, for the first time, have identified one of its mechanisms of action that can explain some of its beneficial effects in the skin. Now, with this information there is a basis to its use in cream-based products.
“Importantly, although CBD-based creams might be beneficial against some skin conditions, such as Epidermolysis Bullosa Simplex or to delay skin aging, our study also shows that CBD should be used with precaution in hyperproliferative skin disorders, such as psoriasis.”
Dr de la Vega and his colleagues showed that CBD targets a protein called BACH1 in skin cells. As BACH1 regulates the expression of antioxidant and anti-inflammatory genes, this new mechanism could help rationalise the potential use of CBD in some skin disorders associated to high levels of inflammation.
Importantly, as BACH1 has emerged as a therapeutic target for lung and breast cancer, the study raises the possibility of new research focused on the potential use of CBD as a cancer treatment.
“Our findings were very exciting, as they connected CBD with this well-known protective pathway,” continued De la Vega.
“This would explain some of the claimed benefits of CBD in skin. Furthermore, the target identified is very relevant not only in skin conditions, but also, in lung and breast cancer.
De la Vega added: “Therefore, our research opens the door for future cancer research based on the potential use of CBD, or CBD derivatives, as cancer therapeutics. This does not mean that CBD will cure cancer, it just mean that now we have a rationale to investigate its potential in cancer research.”
The research, carried out in collaboration with Professor Eduardo Munoz of the University of Cordoba in Spain, is published in the latest edition of the journal Redox Biology.
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