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Ticks are small, brown parasites that are known for carrying disease and that can attach to a person's skin and suck their blood. A new research has found that a protein, called Votucalis, found in tick saliva could be turned into a drug that eases itching and chronic pain in people.The research was published in the journal, 'Frontiers in Pharmacology'.The findings from Durham and Newcastle Universities could lead to a replacement for traditional painkillers, for example, opioids, that can be ineffective, can have serious side effects and can be addictive.Votucalis is derived from the saliva of ticks - in this case, the brown-ear tick Rhipicephalus appendiculatus - who secrete the protein into their host when feeding so the host is unaware that they have been bitten.Votucalis is a biologic drug that works by binding histamine, produced in the body, with high affinity and thereby prevents histamine from activating its four cell surface receptors resulting in a reduced itch or chronic pain responses.Conditions that cause chronic pain or itching include atopic dermatitis, psoriasis, arthritis, diabetes, sciatica, back injuries.Study co-author Dr Paul Chazot, in the Department of Biosciences, Durham University, UK, said, "Persistent or chronic pain is a huge global health challenge, which affects over 20 per cent of the population.""It is the single biggest reason that people in the UK visit their doctor and it is recognised as a priority disease by the World Health Organisation.""The National Institute for Health and Care Excellence (NICE) has recommended that current opioid and gabapentinoid pain medications should not be prescribed to patients newly diagnosed with chronic pain, apart from cancer sufferers, so there is an urgent need to develop a new, long-lasting medication that is both effective and safe to use.""Our study is the first to show evidence of the anti-itch and pain relief potential of Votucalis, which is very exciting. We could be on the brink of discovering a viable alternative to opioid and gabapentinoid drugs."Unlike opioids - which are morphine-based - the research showed that Votucalis does not enter the brain, which meant that it was not addictive and less likely to cause side effects. It could be manufactured in large amounts using recombinant methods.The study's co-author, Dr Ilona Obara said, "It is amazing that a protein found in the saliva of this tiny creature could prevent chronic pain and itching in people.""These are conditions that bring a huge amount of misery, and current medication displays limited efficacy, and can also often be detrimental to patients.""Votucalis has already been tested in humans with other conditions, including conjunctivitis, without major side-effects, so the potential for this to be developed into a drug to tackle chronic pain and itching is definitely there."The researchers said that the next step towards clinical testing was to develop a delivery system to effectively administer the drug at the site of itch and pain.( With inputs from ANI )Disclaimer: This post has been auto-published from an agency feed without any modifications to the text and has not been reviewed by an editor

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Health :Tick saliva drug can ease chronic pain, itching in people: Study

Ticks are small, brown parasites that are known for carrying disease and that can attach to a person's skin and suck their blood. A new research has found that a protein, called Votucalis, found in tick saliva could be turned into a drug that eases i ...