Virus Secret Weapon: Millions Infected
- A collaborative study by the University of Pittsburgh School of Medicine and the La Jolla Institute for Immunology has uncovered a novel mechanism used by cytomegalovirus (CMV) to...
- The research highlights how CMV,a herpes virus affecting most adults globally,infiltrates blood vessel cells,contributing to vascular disease.
- Jeremy Kamil, associate professor at Pitt, said understanding the virus's methods is crucial.
New research reveals how cytomegalovirus (CMV), a leading cause of birth defects, infiltrates cells, offering hope for new antiviral drugs adn vaccines. A recent study uncovers CMV’s secret weapon: a molecular “key” called the GATE complex it uses to infect blood vessel cells, evading the immune system. This breakthrough could revolutionize CMV treatment and prevention strategies, which have long been a challenge. This virus affects millions worldwide. News Directory 3 delivers this critical update.Experts are now targeting the GATE complex to develop novel therapies.This new understanding could dramatically reduce birth defects and protect immunocompromised individuals. Discover what’s next on the horizon.
New CMV Research Offers Hope for Preventing Birth Defects
A collaborative study by the University of Pittsburgh School of Medicine and the La Jolla Institute for Immunology has uncovered a novel mechanism used by cytomegalovirus (CMV) to infect cells. The findings, published in Nature Microbiology, may pave the way for developing effective therapies against CMV, a primary cause of birth defects in the United States.
The research highlights how CMV,a herpes virus affecting most adults globally,infiltrates blood vessel cells,contributing to vascular disease. CMV uses a unique molecular “key” to bypass immune defenses, along wiht the standard machinery shared by all herpes viruses.
Jeremy Kamil, associate professor at Pitt, said understanding the virus’s methods is crucial. “If we don’t know what weapons the enemy is using,it is hard to protect against it,” Kamil said. “we found a missing puzzle piece that represents one possible reason why immunization efforts against CMV have been unsuccessful.”
Approximately one in 200 infants in the U.S. are born with congenital CMV. Of those, one in five may develop birth defects like hearing loss or face long-term health issues. While CMV infections are often asymptomatic in adults, they pose significant risks to unborn children during pregnancy and can be fatal for immunocompromised individuals.
The study revealed that CMV replaces the gL protein with UL116 and recruits UL141, forming a complex called GATE.This complex allows the virus to enter blood vessel cells, causing damage while preventing immune recognition.
Chris Benedict,associate professor at La Jolla Institute for Immunology,noted the potential of GATE as a vaccine target. “Previous attempts to generate a CMV vaccine have failed, but that was before we identified the GATE complex,” Benedict said. “We hope that new strategies targeting GATE will improve our chances to combat CMV infection,and also perhaps cleanse our bodies of this lifelong infection.”
Erica Ollmann Saphire, also of the La Jolla Institute, added, “If we can develop antiviral drugs or vaccines that inhibit CMV entry, this will allow us to combat the many diseases this virus causes in developing babies and immune-compromised people.”
What’s next
Researchers plan to explore strategies targeting the GATE complex to develop new antiviral drugs and vaccines, possibly offering better protection against CMV infections and related health complications.