How eczema research on skin bacteria may lead to a treatment for itching
One of the most upsetting and misunderstood signs of eczema is itching. A recent study examined the condition’s propensity to cause itching using human tissue, animal models, and nerve fibers. The bacteria Staphylococcus aureus may play a significant role in the puzzle, the researchers concluded. They anticipate that their research will eventually result in a variety of skin conditions being treated. Atopic dermatitis, commonly known as eczema, is a prevalent skin condition that impacts approximately 223 million individuals worldwide. Itching is one of the main symptoms. Scratching can temporarily ease the pain, but it can also aggravate inflammation, damage the skin, and raise the risk of skin infections. Carsten Flohr, a professor at Kings College London and a member of the British Association of Dermatologists, said that scratching has a significant impact on the quality of life for those who suffer from eczema. It affects how well people sleep as well as how much they sleep. It also has an impact on children’s enjoyment of school and adults’ social and professional lives. People who have eczema often experience itching as a constant problem, according to National Eczema CEO Andrew Proctor. One of the most challenging aspects of having atopic eczema for the millions of affected children and adults is the constant itching. where the skin is damaged and becomes more itchy as a result of scratching to relieve the itch, increasing the temptation to scratch.
The skin is considered to be the largest organ of the body and plays a myriad of vital roles. It protects against pathogens, dehydration, mechanical damage, and ultraviolet light. It also carries receptors that provide sensations such as pain, temperature, and touch. Importantly for eczema, it also contains receptors called proprioceptors, which produce the sensation of itch.
Like many other parts of the body, the skin is home to a thriving microbial community the skin microbiome, which contains vast numbers of bacteria, fungi, and other microbes. Although there is growing interest in the human microbiome, scientists have a long way to go before they understand its complex roles in health and disease. Your skin bacteria and skin immune system talk to each other and they talk to the bacteria in your gut. Just like with your gut, having a diverse balance is the key to a happy microbiome. Understanding how bacteria interact with each other as well as the skin and the immune system may one day help treat various skin conditions.
When S. aureus was first applied to mice’s skin, the researchers claimed that this increased the animals’ risk of developing dermatitis. Moreover, compared to mice without S. aureus, these mice scratched a lot more. Next, by concentrating on the enzymes that S. aureus produces, researchers aimed to comprehend how the bacteria could cause this itching response. The ten proteases that S. aureus produces were the scientists’ main focus. Protease V8 was eventually found to be the main trigger of the itching response; mice that received V8 injections alone began to scratch. The researchers also demonstrated that eczema-affected skin patches had higher V8 levels than unaffected skin.
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