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NIH Awards $3M Grant to Albany Med for Plague Vaccine Development

by Global Biodefense Staff
April 8, 2022
Yersinia pestis

Scanning electron micrograph of Yersinia pestis, which causes bubonic plague, on proventricular spines of a Xenopsylla cheopis flea. Credit: NIAID

Albany Medical College scientists have been awarded a $3 million, five-year federal grant to develop a vaccine that could protect against plague.

The funding is from the the National Institute of Allergy and Infectious Diseases (NIAID), part of the National Institutes of Health (NIH).

A highly contagious disease caused by the bacteria Yersinia pestis (Y. pestis), plague has killed millions of people throughout history. Bubonic plague is the most common naturally occurring form of the three main types of plague, which also include pneumonic plague and septicemic plague. In the U.S., plague is most common in rural areas of the southwest, particularly New Mexico, Arizona and Colorado.

For the most part, plague today is treated with antibiotics; there is no vaccine currently available that provides long-term defense against it.

“While plague in humans is relatively rare, we’ve begun to see strains that are resistant to antibiotics and there are concerns it could be used as a bioweapon,” explained Wei Sun, Ph.D., associate professor in the Department of Immunology and Microbial Disease at Albany Medical College, who is leading the study.

Dr. Sun and his team will attempt to modify another, less-lethal bacteria in the Yersinia family – Y. pseudotuberculosis (Yptb) – into a carrier for protective antigens against Y. pestis. After testing the protective immunity of this strain in animal models, they’ll work to decipher the mechanisms of the immune protection it induces

“Our hope is that this project provides the fundamentals for the development of a highly effective and safe vaccine that can protect against current and future strains of plague,” said Dr. Sun.

RELATED RESEARCH:

Remodeling Yersinia pseudotuberculosis to generate a highly immunogenic outer membrane vesicle vaccine against pneumonic plague. PNAS, 11 March 2022.

Hemochromatosis drives acute lethal intestinal responses to hyperyersiniabactin-producing Yersinia pseudotuberculosis. PNAS, 30 Dec 2021

Recombinant Pseudomonas Bionanoparticles Induce Protection against Pneumonic Pseudomonas aeruginosa Infection. Infection and Immunity, 15 October 2021.

Dissecting the psa locus regulation in Yersinia pestis. Journal of Bacteriology, 8 September 2021.

 Oral vaccination with live attenuated Yersinia pseudotuberculosis strains delivering a FliC180-LcrV fusion antigen confers protection against pulmonary Y. pestis infection. Vaccine, 6 May 2020

Tags: AwardsEditor PickNIAIDSelect AgentsVaccinesY. pestis

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