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    Home » Lifestyle » Cancer fight step closer to personalised therapy as genetic clues discovered
    Lifestyle

    Cancer fight step closer to personalised therapy as genetic clues discovered

    James MartinBy James MartinApril 21, 2022No Comments4 Mins Read
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    Whole-genome sequencing of tumours from thousands of NHS patients has detected a “treasure trove” of previously unidentified patterns in cancer DNA. Professor Matt Brown, chief scientific officer at the taxpayer-owned body Genomics England, said: “This is a major step forward in how we analyse cancers. It gives us new insights into the cause of quite a large range of cancers.”

    He said that the groundbreaking work showed this country was leading the world in genomic 

    Genomics England, said: “This is a major step forward in how we analyse cancers. It gives us new insights into the cause of quite a large range of cancers.”

    He said the groundbreaking work showed Britain was leading the world in genomic medicine. It was fuelled by sequencing technology and analysis pioneered in England, and used information collected by the UK’s landmark 100,000 Genomes Project.

    He told the Daily Express: “Whilst you can access whole-genome sequencing – usually through private companies – elsewhere in the world, this is the first national health service to actually roll it out.

    “It’s every scientist’s dream to see what they have been working on in their research lives be implemented in clinical practice to make patients’ lives better, and this is a really good example of that. It is a fantastic British breakthrough ”

    Professor Serena Nik-Zainal of the University of Cambridge led a team who used findings from more than 12,000 NHS cancer patients.

    She said that it was “mindblowing” to have carried out such major research: “I am so proud…to be a doctor and a scientist that can use this data that has been generated by the public sector.”

    A genome is the genetic information an organism needs to work, stored in long molecules of DNA called chromosomes.

    A human genome has 20,000 genes made up of 3.2 billion letters of DNA. Tumour cells have a different genome to healthy ones. By comparing the DNA, scientists can find clues to how best to treat the cancer.

    Whole-genome sequencing is being rolled out via the NHS Genomic Medicine Service. Some 15 percent of cancer patients are eligible, and certain breast and ovarian tumours are included.

    The new DNA patterns, or mutational signatures, hold clues to a cancer’s causes including environmental ones such as smoking or UV light, or cellular malfunctions.

    The new study confirmed 51 known signatures and discovered a “treasure trove” of 58 more. Prof Brown said that some “very clearly point to likely treatment benefits.

    “At the moment we generally use the results of single mutations in one or two genes per tumour to decide what the best treatment response is.

    “This tells us a lot more. What we now need to do is to work to incorporate these into clinical pathways.”

    The team’s digital tool to analyse tumours’ genetic make-up will benefit NHS patients in 12 to 18 months.

    Prof Nik-Zainal said the signatures were “like fingerprints. They help to pinpoint cancer culprits.”

    Michelle Mitchell, chief executive of Cancer Research UK, said that the study showed the power of whole-genome sequencing tests. Findings were published in the journal Science.

    —————————————–

    Comment by Vivienne Parry

    The generosity of the British public has led to one of the most exciting cancer breakthroughs in decades.

    People with the illness were asked to donate their DNA and their health records as part of the 100,000 Genomes Project, a ground-breaking programme by Genomics England in partnership with the NHS.

    Researchers trawled through the data looking for specific cancer fingerprints, in the largest study of its kind.

    These DNA fingerprints are critical for two reasons. First, they tell doctors which treatments will work best. Second, they can point to the cause of cancers, particularly environmental ones.

    Although some of these so-called mutation signatures were known before, the study – which cements the UK’s world-leading reputation in genomics – has revealed many more.

    It was a British invention that made this type of sequencing possible. It was the British investment in the project that created the data. It was the British public that made the data possible. It’s the NHS which will see the benefits first – much more effective treatment for cancers.

    • Vivienne Parry is the Head of Engagement at Genomics England





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    Hello friends, I am James Martin. Welcome to my blog todaynewsjournal.com. We are a team of experienced journalists who are passionate about delivering the latest news and current events to our readers. Our editorial team is dedicated to providing the most accurate and up-to-date information possible. We aim to be your go-to source for news and current events. Here on this site, You will get up to date information regarding all important categories like business ideas, health tips,... (Read More)

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