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Deborah Stull

Science News Editor
  • debstull@upenn.edu
  • deb stull
    Articles from Deborah Stull
    Early challenges to the immune system disrupt oral health
    A child at a dentist’s office.

    Image: Dr. Paul Akhigbe (Courtesy of Modupe Coker)

    Early challenges to the immune system disrupt oral health

    Modupe O. Coker from the School of Dental Medicine and a collaborative team of researchers identified changes over time in the oral microbiome of children living with HIV, offering insights into how early immune challenges shape not only oral health but also systemic health.

    4 min. read

    Genetic testing beneficial in critically ill adults
    Pipette adding a sample to a petri dish with a DNA profile in the background.

    Image: Ten Image/Science Photo Library via Getty Images

    Genetic testing beneficial in critically ill adults

    Penn Medicine researchers have identified genetic conditions in a large percent of adults admitted to the intensive care unit, dispelling the belief that genetic testing only benefits a pediatric population.

    3 min. read

    Transforming CAR T treatment: ‘Leukemia-on-a-chip’
    The actual chip of human leukemia bone marrow where chambers and channels were filled with food dyes.

    The actual chip of human leukemia bone marrow where chambers and channels were filled with food dyes.

    (Image: NYU Tandon Applied Micro-Bioengineering Laboratory/Courtesy of Weiqiang Chen)

    Transforming CAR T treatment: ‘Leukemia-on-a-chip’

    In a collaborative effort with NYU, Penn researchers have helped pioneer a novel 3D platform that mimics the human bone marrow and immune environment, enabling more predictive testing of cancer immunotherapy success in patients, including CAR T cell therapies.

    3 min. read

    Keeping food safe and animals healthy
    A lab technician injecting small eggs with a substance via syringe.

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    Keeping food safe and animals healthy

    As part of the Pennsylvania Animal Diagnostic Laboratory System (PADLS), Penn Vet’s New Bolton Center helps to protect animals and humans from health threats and minimize agricultural economic loss.

    7 min. read

    New tools to treat retinal degenerations at advanced stages of disease
    Raghavi Sudharsan and William Beltran by a microscope in a lab.

    Raghavi Sudharsan and William Beltran of the Division of Experimental Retinal Therapies at Penn’s School of Veterinary Medicine.

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    New tools to treat retinal degenerations at advanced stages of disease

    A collaborative team of researchers led by vision scientists at the School of Veterinary Medicine have developed novel promoters that drive strong and specific gene expression in rod and cone photoreceptors in mid-to-late stages of disease, potentially offering new and improved options for gene therapy.

    3 min. read

    American Dental Association and Penn Dental Medicine announce first Living Guideline Program in oral health
    (Left to right) Olivia Urquhart, Michael Glick, and Alonso Carrasco-Labra.

    (Left to right) Olivia Urquhart, Michael Glick, and Alonso Carrasco-Labra of Penn Dental’s Center for Integrative Global Oral Health (CIGOH).

    (Image: Kevin Monko)

    American Dental Association and Penn Dental Medicine announce first Living Guideline Program in oral health

    The groundbreaking program will provide evidence-informed guidelines in real time to support patient care and advance public health.

    2 min. read

    Soon-to-be-graduate hopes to deliver primary care to rural communities
    Chip Chambers stands on college campus.

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    Soon-to-be-graduate hopes to deliver primary care to rural communities

    Fueled by his faith, Chip Chambers, a fifth-year M.D./M.B.A. student in the Perelman School of Medicine and Wharton School, has always looked for ways to serve.“My faith is a huge motivator of everything that I do. I just believe that I’ve been blessed with a lot of things that I didn’t earn and that I have a responsibility to steward those for the good of other people and not for myself,” Chambers says.

    4 min. read

    A nontraditional journey to dental school
    Dental student outside of university building

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    A nontraditional journey to dental school

    Kendra Domotor may have “zigzagged” her way to dentistry, but her journey helped her find her center in dentistry, helping her blend her love of science, teaching, and service.

    5 min. read

    A better understanding of common hypertension medications
    Gloved hand pouring freeze dried "transgenic" lettuce into a grinder.

    Image: Kevin Monko; Courtesy of Penn Dental Medicine.

    A better understanding of common hypertension medications

    Henry Daniell of Penn Dental and collaborators found that ACE inhibitors dramatically reduced the activity of ACE2, a critical cardioprotective enzyme.

    3 min. read

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