100 episodios

We’re talking about all things genomics, with guest speakers from across the genomics ecosystem.

Behind the Genes Genomics England

    • Ciencias

We’re talking about all things genomics, with guest speakers from across the genomics ecosystem.

    James Duboff: Genomics 101 - How an pharmaceutical companies use genomic data for drug discovery?

    James Duboff: Genomics 101 - How an pharmaceutical companies use genomic data for drug discovery?

    In this explainer episode, we’ve asked James Duboff, Strategic Partnerships Director at Genomics England, to explain how genomic data can be used in drug discovery.
    You can also find a series of short videos explaining some of the common terms you might encounter about genomics on our YouTube channel.
    If you’ve got any questions, or have any other topics you’d like us to explain, feel free to contact us on info@genomicsengland.co.uk.
    You can read the transcript below or download it here: https://files.genomicsengland.co.uk/documents/Podcast-transcripts/How-do-pharmaceutical-companies-use-genomic-data-for-drug-discovery.docx
    Naimah: How do pharmaceutical companies use genomic data for drug discovery? Today, I’m joined by James Duboff, a Strategic Partnerships Director here at Genomics England, to find out more. 
    So James, first of all, what is genomic data, and how does this relate to our genes? 
    James: Let’s start with a simple explanation of what we mean by genomic data and our genes. So, every cell in our body contains a complete copy of our genome. Now, genome is kind of a mini instruction manual that describes exactly how to make you. Now, those instructions are written in a language called DNA, which is over 99 percent identical in every single human on the planet, so you and I are actually genomically very, very similar. The differences, however, are called variants, and they’re what make us unique. Now, some of those variants can actually be very dangerous, and they can code for things like rare genetic diseases or even cancer. So, we need to read in detail exactly what’s going on in your DNA and in your genome to see where changes are and where those variants really are, and we do this by sequencing the genome. So, if you get a DNA sequence, that’s effectively an electronic readout of your genomic data, which is your genome in computational form.
    Now, understanding that and working with that is still a relatively new field, so what we try and do is connect the genomic data, your genome, with health information, such as hospital records and what you’re presenting with in clinic, if you’re in a patient setting, and look at those together to give context to those variants in the genome. So, genomic research is actually where we look at how genes and physical outcomes could be linked. So thinking of, you know, biology and physiology term, what does a variant exactly do and how might it cause a disease. 
    Naimah: You mentioned both the genome and whole genome sequencing, and if our listeners aren’t too sure exactly what they are, they can listen to some of our other explainer episodes with Greg Elgar, who explains these concepts. So James, next could you tell me why are pharma and biotech companies interested in genomic data? 
    James: Ultimately, pharma and biotech companies are interested in genomic data because that really tells them what’s going on within the blueprint or that mini instruction manual of an individual. So, pharma and biotech have dedicated research teams that focus on genomic research, and they look through genetic databases across the world, such as Genomics England and others, to really understand the role of the genome in their target disease areas. By looking at those, that helps them develop new drugs and tools to specifically diagnose, treat and also even cure these diseases. 
    Naimah: So, how exactly do they do that? Can you explain it in some simple steps? 
    James: I think there are four key areas that they need to focus on. So, starting with the first, where, whereabouts on a genome should they focus? Now, the way that a pharma company would do this, or any researcher really, is by taking two populations of people. So, you’d take a population who have a known disease, and you’d compare that to people without. Now if you’re looking at the genomes of people with the disease and those without the disease, you can kind of play spot the difference between those two

    • 13 min
    Professor Sir Jonathan Montgomery, Dr Latha Chandramouli and Dr Natalie Banner: Why do we need to consider ethics in genomic healthcare and research?

    Professor Sir Jonathan Montgomery, Dr Latha Chandramouli and Dr Natalie Banner: Why do we need to consider ethics in genomic healthcare and research?

    Ethical considerations are essential in genomic medicine and clinical practice. In this episode, our guests dive into the details of ethical principles, highlighting how they can be brought into practice in the clinic, whilst considering the experiences and feelings of patients and participants.
    Our host, Dr Natalie Banner, Director of Ethics at Genomics England, speaks to Professor Sir Jonathan Montgomery and Dr Latha Chandramouli. Jonathan is the Chair of the Genomics England Ethics Advisory Committee, and a Professor of Health Care Law at University College London. Latha is a member of the Ethics Advisory Committee and the Participant Panel at Genomics England, and is a Consultant Community Paediatrician working with children with complex needs.
     
    "You asked why ethics is important and how it operates, I suppose the main thing for me is that these are tricky questions, and you need all the voices, all the perspectives, all the experience in the room working through at the same time. You don’t want to have separate discussions of things."
     
    You can read the transcript below or download it here: https://files.genomicsengland.co.uk/documents/Podcast-transcripts/Why-are-ethical-considerations-crucial-in-genomics-research-and-clinical-practice.docx
    Natalie: Welcome to Behind the Genes.  
    Jonathan: The first difference is that the model we’ve traditionally had around clinical ethics, which sort of assumes all focus is around the patient individually, is not enough to deal with the challenges that we have, because we also have to understand how we support families to take decisions. Families differ enormously, some families are united, some families have very different needs amongst them, and we have to recognise that our ethical approaches to  genomic issues must respect everybody in that. 
    Natalie: My name is Natalie Banner and I’m the Director of Ethics here at Genomics England. On today’s episode, I’m joined by Chair of our Ethics Advisory Committee, Professor Sir Jonathan Montgomery and Dr Latha Chandramouli, member of the Ethics Advisory Committee and the Participant Panel, who’s also a community paediatrician working with children with complex needs. 
    Today we’ll be discussing why ethical considerations are crucial in genomics research and clinical practice and what consent means in the context of genomics. If you enjoy today’s episode, we’d love your support. Please like, share and rate us wherever you listen to your podcasts. 
    At Genomics England, we have an Ethics Advisory Committee, which exists to promote a strong ethical foundation for all of our programmes, our processes, and our partnerships. This can mean things like acting as a critical friend, an external group of experts to consult. It can mean ensuring Genomics England is being reflective and responsive to emerging ethical questions, especially those that arise as we work with this really complex technology of genomics that sits right at the intersection of clinical care and advancing research. And it can also ensure that we are bringing participant voices to the fore in all of the work that we’re doing.  
    I’m really delighted today to welcome two of our esteemed members of the ethics advisory committee to the podcast. Professor Sir Jonathan Montgomery, our Chair, and Dr Latha Chandramouli, member of our Participant Panel. So, Jonathan, if I could start with you, could you tell us a little bit about your background and what you see as the role of the ethics advisory committee for us at Genomics England? 
    Jonathan: Thanks very much, Natalie. My background professionally is I’m an academic, I’m a professor at University College London, and I profess healthcare law the subject that I’ve sort of had technical skills in. But I’ve also spent many years involved in the governance of the National Health Service, so I currently chair the board of the Oxford University Hospital’s NHS Foundation Trust.  
    I’ve spent qu

    • 42 min
    Professor Matt Brown: Genomics 101 - What is personalised medicine?

    Professor Matt Brown: Genomics 101 - What is personalised medicine?

    In this explainer episode, we’ve asked Professor Matt Brown, Chief Scientific Officer at Genomics England, to explain what personalised medicine is and how it could change the way we treat genetic conditions and cancer.
    You can also find a series of short videos explaining some of the common terms you might encounter about genomics on our YouTube channel.
    If you’ve got any questions, or have any other topics you’d like us to explain, feel free to contact us on info@genomicsengland.co.uk.
    You can read the transcript below or download it here: https://files.genomicsengland.co.uk/documents/Podcast-transcripts/What-is-personalised-medicine.docx
    Naimah: What is personalised medicine? I’m joined by Matt Brown, chief scientific officer for Genomics England, to find out more. So, first of all, Matt, can you tell me, what is personalised medicine?  
    Matt: So, personalised medicine is about giving the right dose of a medicine and the right medicine to the right person. So, it’s exactly the opposite of one size fits all. It’s what doctors have been trying to do ever since we had effective medicines, that is generally looking at the patient, what disease have they got, what factors are there about the patient that can help judge what dose they should give and for how long, of which medicine.  
    Naimah: So, people often refer to this as precision medicine. Is this the same thing?  
    Matt: Generally, the two terms are used interchangeably. I think precision medicine is more specifically about the dose perhaps, but effectively they both mean the right medicine at the right dose for the right person.  
    Naimah: And how can we predict what treatment will suit each individual patient best?  
    Matt: Well, to some extent, of course, this depends on the disease the patient actually has. We also know from a patient’s history how they’ve reacted to similar medications in the past. So for example, some patients have lots of problems with anti-inflammatories, other patients don’t, so if you give an anti-inflammatory to somebody who’s had problems with them before, you’re likely to cause the same problems all over again. So nowadays, we have much, much better ways, other than trial and error, to predict what treatment will suit a patient best, and in particular, development of genetic markers to look at how their condition is going to respond best, and how the patient is going to tolerate the medicine you give them, and what dose you should be giving them.  
    Naimah: How could personalised medicine change the way we treat genetic conditions and cancer?  
    Matt: So, I’ll talk about cancer first up. In the past, we used to treat cancers based on the organ from which the cancer actually arose, and the more we’ve learnt about what the genetic mutations are that cause cancers, the more cancer treatments are being decided based on the genetic mutation which is driving the cancer, and this has proven to be more effective than just looking at the organ from which the cancer arose. It turns out then that some medications which were only being used for specific cancers, are actually useful across multiple cancers that are driven by the same genetic mutations.  
    In lots of other common diseases though, we now know a lot about genetic variants which predispose people to adverse drug reactions, and so we can use genetic tests to predict who’s going to get those adverse drug reactions and avoid them. And similarly, we also know about genetic determinants of how people metabolise and, in many cases, activate medications, and that helps us a lot learning about what dose to give people.  
    Naimah: And how far away are we from seeing this routinely in clinical care?  
    Matt: We are seeing it in routine clinical care in some pretty narrow settings. So, there are genetic tests available for enzymes which are involved in activation of particular chemotherapy 5 agents. So, DPYD testing, for example, is widely used to predict peop

    • 4 min
    Will Navaie: Genomics 101 - What is 'ethics'?

    Will Navaie: Genomics 101 - What is 'ethics'?

    In this explainer episode, we’ve asked Will Navaie, Head of Ethics Operations at Genomics England, to explain what ethics is and why it's important, in the context of genomics.
    You can also find a series of short videos explaining some of the common terms you might encounter about genomics on our YouTube channel.
    If you’ve got any questions, or have any other topics you’d like us to explain, feel free to contact us on  info@genomicsengland.co.uk.
    Want to find out more? Check out the blog 'Genomics 101: What is ethics?'.
    You can read the transcript below or download it here: https://files.genomicsengland.co.uk/documents/Podcast-transcripts/What-is-ethics.docx
    Naimah: What is ethics? Today I’m joined by Will Navaie, who’s Head of Ethics Operations at Genomics England, to find out more. 
    Will: Ethics is part of philosophy, and it’s part of philosophy that talks through a set of moral principles that govern our behaviour and our conduct. So, it might be thinking about whether something is good or bad. It might be thinking about whether something is good or better, or whether something is bad and worse. So, it’s about values and how we demonstrate those values kind of in a moral framework. So, I like to think of ethics as, just because you can do something, it doesn’t mean that you should do something. So, the law dictates to us what we can do, but ethics then talks about actually you need to look at the context around a law and to see whether something is reasonable, and so ethics to me is the should. So, should we do something? Just because we can do something, it doesn’t mean that we necessarily should do that thing. 
    So, in medical ethics, we have four pillars or four areas that we concentrate on. One is justice, and that’s making sure that something is fair and equitable and inclusive. And equity being the key here, so equity recognises that individuals have different circumstances, and equity allocates opportunities based on the needs of the individual. So, it’s not about giving everybody the same, but it’s recognising that to get an equal outcome for something, that some people will require more of something because of their set of circumstances. We also have autonomy, and autonomy in medical ethics is a bit of a focus sometimes, and what that is, is giving choices and respecting people’s decisions around that choice. Consent, we talk about a lot in medical ethics, but it is not the be all and end all. It’s really important, but actually it’s one principle among many that kind of make up ethics. 
    Another one of those four is beneficence, and that’s talking about everything we do must create benefit for people, and that benefit might be at an individual level, it might be at a societal level, so there’s lots of different ways of realising benefit. And the other, which is the flipside of that, is non-maleficence, and that’s making sure that everything we do doesn’t cause any harm to people. 
    Naimah: Okay, and then so if we’re thinking about ethics in the context of genomics, what does that mean? 
    Will: So, those four principles that we just talked about are applied to genomics as much as anything else, so there’s no exceptionalism to those, so we live by those four pillars, if you like. But what does make things complicated in genomics is that genomic data is not just about you. It’s not just about an individual. It’s about your family, it’s about your future family, and what that means is that we need to take those four pillars, those four areas, and look at them through a lens of a group rather than an individual. Where it becomes more complicated is the kind of interface between the law and ethics, and the way that the laws are written in this country and in healthcare are very much around individual rights, and that becomes really tricky when the decision making of an individual can affect other people in their family. And so, what we try to do is to think about how

    • 7 min
    Marie Nugent: Genomics 101 - Why is diversity important in genomics research?

    Marie Nugent: Genomics 101 - Why is diversity important in genomics research?

    In this explainer episode, we’ve asked Marie Nugent, Community Manager for the Diverse Data Initiative at Genomics England, to explain what diversity is and why it's important, in the context of genomics.
    You can also find a series of short videos explaining some of the common terms you might encounter about genomics on our YouTube channel.
    If you’ve got any questions, or have any other topics you’d like us to explain, feel free to contact us on info@genomicsengland.co.uk.
    You can read the transcript below or download it here: https://files.genomicsengland.co.uk/documents/Podcast-transcripts/006-Why-is-diversity-important-in-genomics-research.docx
    Naimah: Why is diversity important in genomics? Today, I’m joined by Marie Nugent, who’s an engagement manager for the Diverse Data Initiative at Genomics England, and she’s going to explain more. So first of all, Marie, let’s start at the beginning. What is diversity? 
    Marie: I think it’s sort of a fiendishly seeming simple question, isn’t it, what is diversity, and I think you’ll get just as broad a range of answers as the people you might ask that question to. But for me, you know, it’s really got to be about how we do things. So to me, diversity is about recognising that there’s maybe a limited way in which certain things work, or the way in which we might go about doing certain things, and it’s also limited in terms of who’s involved in that and who might benefit from that. So, in the broadest sense, I think diversity means recognising the limitations of maybe what you currently do, and really looking for how can we open that up a lot more to provide the space and opportunity for a broader range of people and voices and experiences to really be brought into that and shape it. 
    Naimah: And can you tell me a bit more about what diversity means in the context of genomics? 
    Marie: I find this absolutely fascinating in the context of genomics, because genomics is really about how do we understand, you know, how our DNA, as an entire piece of information, is building us and shaping us as people, and having an impact on our lives, and, you know, for us predominantly our health. And the way in which we currently think about grouping people in genomics is unfortunately still very, very heavily influenced by social understandings of how people group together, not necessarily anything that’s really about your genetic ancestry, for example, which is very different. So at the moment, you know, it’s an interesting thing to play with and think about because in genomics it’s absolutely crucial that we understand the broadest sense of human diversity in terms of genetics and genomics, and only by doing that can we start to really fully understand what it means to be distinct, and therefore how small changes in DNA can have a massive impact on people’s health.  
    So, diversity in the context of genomics has to actually completely change the very fundamental ways in which we currently understand how people group together, so it’s really getting at the heart of that academic thinking about the topic. But it’s more than that, of course, as well, because as I’ve sort of already mentioned about what diversity means more broadly, it’s got to be about how we do things and who’s involved in that, and who benefits from it. So, in the context of genomics, it’s playing at the ideas of how we even understand how people relate to each other and how they’re different from each other, as well as how we do things. It’s a really complex but fascinating topic, to be honest, to be able to look at and study in some way. 
    Naimah: How does the inclusion of diverse populations contribute to improving genomic research? 
    Marie: Yeah, so following on from what I’ve just said, we fundamentally need to include everyone, you know. In order for us to really understand what genetic ancestry means and what difference looks like across different groups, and how tha

    • 8 min
    Ellen Thomas: Genomics 101 - What is genetic or genomic testing?

    Ellen Thomas: Genomics 101 - What is genetic or genomic testing?

    In this explainer episode, we’ve asked Ellen Thomas, Interim Chief Medical Officer at Genomics England, to explain what genetic and genomic tests are, why someone might do a test, and how they are performed, in less than 10 minutes.
    You can also find a series of short videos explaining some of the common terms you might encounter about genomics on our YouTube channel.
    If you’ve got any questions, or have any other topics you’d like us to explain, feel free to contact us on info@genomicsengland.co.uk.
    You can read the transcript below or download it here: https://files.genomicsengland.co.uk/documents/Podcast-transcripts/005-What-is-genetic-or-genomic-testing.docx
    Naimah: What is genetic or genomic testing? Today, I’m joined by Ellen Thomas, interim chief medical officer for Genomics England, who’s going to explain more. So, first of all Ellen, what is a genetic test?  
    Ellen: Well, genetic tests examine a person’s genes to see if they have any changes in their DNA which might explain their symptoms. We all have DNA in most of the cells of our bodies, we inherit it from our parents and pass it on to our children. DNA provides the blueprint for our genes, and the proteins which build and run our bodies. Nearly all of our DNA is exactly the same across all of us, but around 5 million out of our 3 billion DNA letters are different, and each of these we call a genetic variant. The pattern of genetic variants that we all carry helps to make us who we are, and genetic testing is designed to examine some of these variants to help inform our healthcare.  
    Naimah: So, why are they sometimes called genetic tests and sometimes called genomic tests?  
    Ellen: Well, the words genetic and genomic are often used in exactly the same way, but broadly, genetic tests are usually used to look at just one or a small number of a patient’s genes, while a genomic test will look at hundreds or even thousands of genes at the same time. In general, it’s fine to use either.  
    Naimah: If you want to hear more about the difference between genetics and genomics, you can find another explainer episode with Rich Scott on our website, which goes into more detail.  
    Okay, so coming back to you, Ellen, what are the reasons we might do a genomic test?  
    Ellen: Some rare health conditions are caused by DNA variants in our genes, conditions such as cystic fibrosis, Huntington’s disease or sickle cell disease. In these 3 conditions, there is usually just one gene that is responsible, the same gene for all patients. That means that you can often find the DNA variant which has caused a patient’s symptoms by doing a test which looks just at that gene, or even sometimes just at a part of the gene. But for other genetic conditions, a variant could be found in any of dozens or even hundreds of genes, which could cause the same condition or a group of conditions, and examples of that include familial forms of epilepsy or developmental disorders in children.  
    For these conditions, to find an answer you often need to do a broader genomic test, looking at many genes at the same time, and also sometimes in between the genes. Finding the variant in a patient’s DNA which has caused the condition is useful, because it helps understand how the condition is passing down in the family, and whether it could affect anyone else in the family in the future. It is also increasingly used to work out which treatment an individual patient might respond to best.  
    Genomic tests are also used to help diagnose and treat cancer. A tumour develops and spreads because new variants in the DNA build up inside the tumour, which are not present in the patient’s healthy cells. By testing the DNA of the tumour, you can sometimes understand more about why it happened and what treatment might be most effective.  
    Naimah: So, can you tell me a bit about what sort of questions you can and can’t address with genomic testing, and how has this changed over time?

    • 5 min

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