http://uknow.uky.edu/research/uk-study-explore-why-lyme-disease-symptoms-persist-some

UK Study to Explore Why Lyme Disease Symptoms Persist for Some

LEXINGTON, Ky. (March 4, 2022) — Although most cases of Lyme disease can be cured with a two-to-four-week course of antibiotics, some patients still experience lingering, debilitating effects of the disease months after they finish treatment.

Researchers in the University of Kentucky’s College of Medicine are seeking to understand if the antibiotic regimen used to treat Lyme disease could also be contributing to Post-Treatment Lyme Disease Syndrome (PTLDS), which includes ongoing symptoms of pain, fatigue or difficulty thinking.

Antibiotics can cause imbalances to the gut microbiome, the trillions of microbes essential to health and immune system function. Known as dysbiosis, these disruptions are linked to various autoimmune and inflammatory diseases, as well as cardiovascular disease and depression.

The study, supported by the Global Lyme Alliance and co-led by Ilhem Messaoudi, Ph.D., and Brian Stevenson, Ph.D., in the Department of Microbiology, Immunology and Molecular Genetics, will be the first to assess the role of dysbiosis in the development of PTLDS.

Lyme disease is a tick-borne illness caused by the bacteria Borrelia burgdorferi. The Centers for Disease Control and Prevention estimates that 476,000 Americans are diagnosed with Lyme disease each year.

The research will provide new insights into the interaction between B. burgdorferi infection, antibiotics, and the gut microbiome that may lead to more effective ways to treat Lyme disease, says Messaoudi.

“Lyme disease can be just an acute episode, but for some people, it becomes a prolonged disease with a lot of complications and scientists don’t fully understand where these complications come from,” Messaoudi said. “This study may provide targets that could lead to the development of new antibiotic treatment plans that address the microbiome as well as the immune system.”

Messaoudi and Stevenson will be collaborating with researchers at the Oregon National Primate Research Center to carry out an in-depth analysis of host responses. The research will also establish an ideal animal model for future studies on the cognitive and physical effects of PTLDS.

The University of Kentucky is increasingly the first choice for students, faculty and staff to pursue their passions and their professional goals. In the last two years, Forbes has named UK among the best employers for diversity, and INSIGHT into Diversity recognized us as a Diversity Champion four years running. UK is ranked among the top 30 campuses in the nation for LGBTQ* inclusion and safety. UK has been judged a “Great College to Work for” three years in a row, and UK is among only 22 universities in the country on Forbes’ list of “America’s Best Employers.”  We are ranked among the top 10 percent of public institutions for research expenditures — a tangible symbol of our breadth and depth as a university focused on discovery that changes lives and communities. And our patients know and appreciate the fact that UK HealthCare has been named the state’s top hospital for five straight years. Accolades and honors are great. But they are more important for what they represent: the idea that creating a community of belonging and commitment to excellence is how we honor our mission to be not simply the University of Kentucky, but the University for Kentucky.

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