Tuberculosis has been a scourge upon humanity passim history. In sidesplitting much than a cardinal each twelvemonth worldwide, it remains nan starring origin of decease from a azygous infectious pathogen.
While treatments person evolved and improved complete clip successful progressive TB infection, knowing its dispersed down to droplet level remains elusive. But arsenic pinch immoderate infectious disease, a elaborate knowing of nan microbiology remains nan cardinal to world efforts successful nationalist wellness toward control, and eventual eradication.
To that end, nan investigation module at Hackensack Meridian Center for Discovery and Innovation (CDI), successful collaboration pinch teams astatine the Massachusetts Institute of Technology (MIT) and Weill Cornell Medicine, person developed a caller experimental strategy called Transmission Simulation System (TSS) that replicates nan airborne transmission of TB–by simulating nan quality cough–with unparalleled realism and never-before-seen precision.
Led by Martin Gengenbacher, Ph.D., subordinate personnel of nan CDI faculty, nan collaborative squad published their findings successful a insubstantial entitled, "Experimental strategy enables studies of Mycobacterium tuberculosis during aerogenic transmission," in aesculapian diary mBio, a publication by the American Society of Microbiology.
The study was funded via Program Project Grant bestowed by the National Institute of Allergy and Infectious Diseases (NIAID), an entity nether the National Institutes of Health (NIH).
With his penning team, lead writer Dr. Gengenbacher suggests nan TSS could revolutionize nan improvement of caller therapies and vaccines aimed astatine stopping nan dispersed of nan world's deadliest infectious disease.
Previous laboratory models relied connected exposing animals to a dense, uncontrolled "fog" of germs via nebulizer to study TB transmission. While practical, this was an imprecise method that didn't sufficiently reflector real-world transmission."
Dr. Martin Gengenbacher, Ph.D., subordinate personnel of nan CDI faculty
Dr. Gengenbacher said nan system's awesome breakthrough is its expertise to mimic nan cardinal characteristics of a quality cough and simulate nan propulsion of aerosolized, infected droplets. The TSS besides employs a "nose-only" pickup simulation to complete nan transmission process. creating much accordant observations.
"This strategy allows america to accurately exemplary nan full travel of tuberculosis in a controlled laboratory setting," said Dr. Gengenbacher. "Its aerosol attraction is much realistic than older methods, and its particle size distribution mirrors that of patients having progressive TB. We tin now statesman to study nan vulnerabilities of nan bacterium while it's airborne and create strategies to specifically interrupt this transmission pathway."
The thrill of find lies not conscionable successful this caller system's implications for interception of TB transmission, but successful nan expertise to envision its imaginable for early scope into studying nan dispersed of galore infectious diseases.
"Being capable to reliably replicate nan process of human-to-human transmission opens a caller frontier for testing interventions," said CDI Chief Scientific Officer and Executive Vice President David Perlin, Ph.D. "By studying nan innovations of Dr. Gengenbacher's team, we mightiness 1 time use akin exertion to amended understand and power nan dispersed of different air- and droplet-borne diseases."
With a life of TB investigation down them arsenic context, this infinitesimal of improvement and invention is not mislaid on Dr. Gengenbacher aliases his team, now.
"I'm thrilled to proceed moving pinch my teammates astatine MIT and Cornell, pinch continued support from nan NIAID and NIH," he said. "Through enhanced prevention by measurement of interception, we tin 1 time conclusion this illness arsenic a world killer."
Source:
Journal reference:
Nuritdinov, F., et al. (2025). Experimental strategy enables studies of Mycobacterium tuberculosis during aerogenic transmission. mBio. doi.org/10.1128/mbio.00958-25.