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Biology
Answers to microbiome mysteries in the gills of rainbow trout
In trout, the School of Veterinary Medicine’s J. Oriol Sunyer and colleagues discovered that a particular type of primitive antibody is essential for fighting microbes that cause disease while preserving others that make up a healthy microbiome.
With a protein ‘delivery,’ parasite can suppress its host’s immune response
The parasite Toxoplasma gondii need not infect a host immune cell to alter its behavior, according to a new study from the School of Veterinary Medicine.
Meet the biology major who brought an Iowa caucus to Philadelphia
Junior Jessica Anderson organized the satellite event because she wanted to participate in the political process. Politics aside, she’s aiming for a career that combines research and patient care.
How biology creates networks that are cheap, robust, and efficient
Physicists describe how vascular networks, collections of vessels that move fluid, nutrients, and waste, balance robustness with “cost” to create a diverse array of structures and designs.
Coral reef resilience
With coral reefs under threat from climate change, marine biologist Katie Barott studies how some corals may prove resilient to warming temperatures and acidifying oceans.
A new role for a triple-negative breast cancer target
A team led by Rumela Chakrabarti of the School of Veterinary Medicine has made new discoveries into how a key protein involved in triple-negative breast cancer functions in puberty.
The view from inside the ‘medical scandal’ of China’s gene-edited babies
In a Q&A, geneticist Kiran Musunuru describes his unintentional connection to the scientist behind the scandal and the book that came out of the experience.
Side Gigs for Good
After putting in a full, impactful day at work at Penn, some faculty and staff fill their spare hours with endeavors that make a difference.
These overlooked global diseases take a turn under the microscope
Faculty at the School of Veterinary Medicine target neglected tropical diseases with advanced science, cross-disciplinary collaborations, and work in the lab and the field.
Computer-generated antibiotics and biosensor Band-Aids
For Penn synthetic biologist César de la Fuente and his team, these concepts aren’t some far-off ideal. They’re projects already in progress, and they have huge real-world implications should they succeed.
In the News
When is the best time to take L-theanine—morning or night?
According to Colleen Tewksbury of the School of Nursing, research suggests that L-theanine may help support stress management, sleep, and potentially weight management.
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Is the flu shot market a slam dunk for mRNA vaccines? Experts aren’t so sure
Scott Hensley of the Perelman School of Medicine is working on a flu vaccine to provide protection against 20 subtypes of flu that may pose a pandemic threat in the future.
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Thanks, Neanderthals: How our ancient relatives could help find new antibiotics
A study by César de la Fuente of the Perelman School of Medicine and colleagues used AI to recreate molecules from ancient humans that could be potential candidates for antimicrobial treatments.
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Long COVID brain fog may originate in a surprising place, say scientists
A study by Christoph Thaiss and Maayan Levy of the Perelman School of Medicine and colleagues finds that long COVID’s neurological symptoms, like brain fog, memory loss, and fatigue, may stem from serotonin reduction.
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Long COVID research is in its ‘most hopeful’ phase yet
A study by Christoph Thaiss and Maayan Levy of the Perelman School of Medicine and colleagues suggests that serotonin could be a target for long COVID treatment.
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A crucial pattern behind long COVID may have been identified
A study by Christoph Thaiss and Maayan Levy of the Perelman School of Medicine and colleagues suggests that several current hypotheses for the pathophysiology of long COVID are linked by a single pathway that is connected by serotonin reduction.
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