If you’ve been living with chronic kidney disease, you’ll know that much of the uncertainty comes down to one question: why is this happening to me? The reality is that kidney disease is deeply personal and individual – what triggers it in one person can be completely different from another. But thanks to new research, scientists are starting to unlock some of those answers by mapping the genes involved in kidney function and disease.
Understanding our genetic make-up is crucial because it can help us predict risk, find earlier interventions, and ultimately open doors to new treatments that work better for individual patients. For those of us living with kidney disease – and for our families – this research offers real hope.
What did the researchers find?
According to researchers at the University of Pennsylvania’s Perelman School of Medicine, a team has created the most detailed genetic map of kidney function yet discovered. The research, published in the journal Science, identified over 1,000 genes that may play a role in kidney disease – genes that could potentially become targets for new treatments.
In the article, the researchers explain that they analysed nearly 1,000 human kidney samples and hundreds of thousands of individual kidney cells to build this map. They also created something called a “Kidney Disease Genetic Score card” – a tool that doctors could eventually use with patients to identify which specific genes and genetic variants might be linked to their own kidney disease.
One key discovery was that certain cells within the kidney – particularly proximal tubule cells – seem to be “hotspots” for disease-causing genetic variants. These cells do critical work in the kidney, including reabsorbing water and electrolytes, and filtering waste. When variants disrupt these cells, kidney function can suffer.
You can read the full original article from Penn Medicine here: Researchers create most complete genetic map tied to kidney disease.
How genetic discoveries could shape future kidney care
For those of us with kidney disease, this research opens up several exciting possibilities. First, it could help doctors better predict who is at risk of kidney disease before symptoms appear – meaning earlier interventions and a chance to slow or prevent progression. Second, it identifies genes that might be targeted by future treatments specifically designed to address the root cause of someone’s kidney problems, rather than just managing symptoms.
Perhaps most intriguingly, the researchers discovered that some of the genes identified in this study are already being targeted by existing medications (approved for other conditions). This means scientists can now explore whether repurposing or refining those drugs might slow kidney disease progression or even repair kidney function – a genuinely exciting possibility.
The important caveats
It’s important to remember that genetic research like this is foundational work – it opens questions as much as it answers them. Just because a gene is linked to kidney disease doesn’t mean everyone with that variant will develop the condition, and genetic factors are only part of the picture. Other factors like diet, blood pressure, underlying conditions like diabetes, and lifestyle all play significant roles in kidney health. This research is a starting point for future clinical trials and treatments, not a quick fix or immediate breakthrough in the clinic.
As Guy Hill, Chair of MRIKPA, puts it: “Research like this is why we believe in the patient voice in medical science. When researchers understand how kidney disease affects real people – our daily challenges, our fears, our hopes for the future – they can design treatments that truly matter. Genetic mapping is just the beginning. The real victory will be when patients access treatments that were designed with their individual needs in mind.”
At MRIKPA, we’re passionate about ensuring that patients like you are at the heart of kidney research and that breakthroughs translate into real improvements in care and quality of life. If you’d like to stay informed about kidney research and patient support, explore our Research and News section or visit our Patient Knowledge Bank to learn more about managing kidney disease. You can also reach out to our team at support@mrikpa.org.uk or call us on 07745 242 684 – we’re here to help.
Source: Penn Medicine, February 2025 – read the original article
This article is provided for general information and awareness purposes only and was believed to be accurate at the time of publishing. It is not intended as medical advice – please always consult your doctor or renal team for guidance on your individual circumstances. Images used are for illustration purposes only and may not be medically or editorially accurate. While we take every care, errors can occur. If you spot an inaccuracy, please let us know at support@mrikpa.org.uk.
