Lowering cholesterol is one of teh most effective ways too reduce your risk of heart disease, and it may soon be possible to get a one-and-done gene therapy to keep cholesterol and triglyceride levels down throughout your lifetime.
That’s the hope of a small new study led by Dr. Luke Laffin, a preventive cardiologist in the department of cardiovascular medicine at Cleveland clinic, and senior investigator Dr. Steven Nissen, chair of cardiovascular medicine at Cleveland Clinic. In the trial, 15 people received the innovative gene therapy. All of the patients had high cholesterol, high triglycerides, or both, despite being treated with currently available medications, including statins. They received a one-time infusion of a CRISPR-based gene-editing therapy designed by CRISPR Therapeutics, a company that already has an approved CRISPR therapy to treat sickle-cell disease and a form of beta thalassemia. The participants received varying doses of the CRISPR therapy, since the early Phase 1 trial was designed to primarily evaluate whether the gene editing was safe and provide hints about its potential effectiveness.
Those who received the highest dose had a 50% decrease in their LDL, or bad cholesterol levels that can contribute to heart disease, compared to when they began the study, and a 55% drop in their triglyceride levels after six months.”My view is that this is a very big deal,” says Nissen. “This is the first time anybody has ever edited a gene related to cholesterol metabolism and published results in a peer-reviewed journal. And the results are pretty breathtaking.”
Read More: How to Lower Your cholesterol Naturally“`html
CRISPR Gene Editing Offers Long-Term Hope for Cholesterol Control
A groundbreaking gene-editing therapy using CRISPR technology is demonstrating important potential in permanently lowering cholesterol levels. recent data suggests the effects can last for at least six months in humans, with animal studies showing benefits extending up to two years. This offers a potential one-time treatment option for individuals struggling with high cholesterol, a major risk factor for heart disease.
The therapy, developed by CRISPR Therapeutics, works by editing a gene in the liver responsible for regulating cholesterol production.Animal studies on monkeys showed sustained low levels of cholesterol and triglycerides for two years following treatment. Early human trials have mirrored these results,with participants maintaining improved lipid control for up to six months. Researchers are continuing to monitor patients long-term, as the FDA recommends a follow-up period of up to 15 years for gene-editing therapies.
While CRISPR technology holds immense promise, it isn’t without risks. A trial conducted by Intellia Therapeutics,focused on a CRISPR treatment for a rare heart condition,was halted due to severe liver toxicity experienced by some participants. However, Kulkarni, a representative from CRISPR Therapeutics, emphasizes that different companies employ varying CRISPR approaches, each with unique delivery systems and gene-editing components.
“We have made improvements in all components of our CRISPR therapy,” Kulkarni states. “And we have been absolutely thorough in making sure that there was no off-tissue editing and all of the editing happened in the liver and nowhere else.” This targeted approach is crucial for minimizing potential side effects and maximizing the therapy’s effectiveness.
Key Takeaways
- CRISPR gene editing shows long-term promise in lowering cholesterol levels.
- Animal studies demonstrate benefits lasting up to two years, while human trials show effects for at least six months.
- The therapy targets a gene in the liver responsible for cholesterol production.
- Safety remains a key concern, as highlighted by the Intellia Therapeutics trial, but companies are working to refine their approaches.
- CRISPR Therapeutics emphasizes the precision of their therapy, ensuring editing occurs only in the liver.
FAQ
- What is CRISPR?
- CRISPR (Clustered Regularly Interspaced Short Palindromic Repeats) is a revolutionary gene-editing technology that allows scientists to precisely alter DNA sequences. It functions like a molecular scissor, cutting DNA at specific locations, enabling the removal or addition of genes.
- How does this CRISPR therapy work for cholesterol?
- The therapy targets a gene in the liver that controls how much cholesterol the body produces. By editing this gene, the therapy aims to reduce cholesterol production, leading to lower blood cholesterol levels.
- What are the potential risks of CRISPR therapy?
- Potential risks include off-target editing (where the CRISPR system edits the wrong part of the genome) and immune responses.