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Biology
Protein’s ‘silent code’ affects how cells move
A School of Veterinary Medicine-led study shows how, despite having nearly identical amino acid sequences, two forms of the protein actin differ in function due their distinct nucleotide sequences.
With remarkable similarities to MS, a disease in dogs opens new avenues for study
Researchers at the School of Veterinary Medicine led by Jorge Iván Alvarez and Molly Church found that the canine disease granulomatous meningoencephalomyelitis shares many of the same pathological and immunological features as MS.
Ballerina Emily Davis is ‘on her toes’
May graduate Emily Davis earned a bachelor’s degree in biology from the College of Liberal and Professional Studies while working full-time as a ballerina with the Pennsylvania Ballet and volunteering to conduct research at CHOP and community service with Philadelphia nonprofits.
Designing public institutions that foster cooperation
People are more likely to cooperate with those they see as “good.” Using a mathematical model, School of Arts & Sciences researchers found it’s possible to design systems that assess and broadcast participants’ reputations, leading to high levels of cooperation and adherence.
Pinpointing how cancer cells turn aggressive
Penn scientists have developed a new method for tracing the lineage and gene expression patterns of metastatic cancer at the single-cell level.
Climate change-resistant corals could provide lifeline to battered reefs
Corals that withstood a severe bleaching event and were transplanted to a different reef maintained their resilient qualities, according to a new study led by Katie Barott of the School of Arts & Sciences.
Black in Marine Science is building a community
Postdoc Camille Gaynus of the School of Arts & Sciences and colleagues formed a nonprofit dedicated to lifting up Black voices in marine science and inspiring a new generation to follow their curiosity about the ocean.
Blocking viruses’ exit strategy
Tests of a new antiviral that aims to prevent the deadly Marburg virus from spreading in the body show promise, according to a study led by School of Veterinary Medicine researchers.
First-year research is hands-on from the start
With the Penn Freshmen Exposure to Research in Biological Science program, students from communities that are underrepresented in STEM can jump-start their scientific careers with mentoring and opportunities to pursue original research.
The origin of reproductive organs
A new study led by the School of Veterinary Medicine’s Kotaro Sasaki elucidates the early biological processes involved in the development of ovaries and testes.
In the News
Bird flu virus has been spreading in U.S. cows for months, RNA reveals
Louise Moncla of the Veterinary School of Medicine says that the bird flu virus is clearly being transmitted to cows in some way.
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Man does DNA test, not prepared for what comes back ‘unusually high’
César de la Fuente of the School of Engineering and Applied Science and Perelman School of Medicine says that Neanderthal DNA provides insights into human evolution, population dynamics, and genetic adaptations, including correlations with traits such as immunity and susceptibility to diseases.
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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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