Discoveries

  • A scientist holds an enlarged DNA segment in front of them. They are applying a band-aid to the DNA.

    Setting up DNA repair

    By Alexandria Oviatt DNA repair pathways such as NER have the integral role of protecting us from potentially damaging mutations. Defects in these mechanisms can lead to diseases such as XP or cancers. (Gernot Krautberger, stock.adobe.com) A recent Nucleic Acids Research paper from the lab of Walter… Read More

    Feb. 6, 2020

  • A teal piece of paper in the shape of a downcast head sits on top of torn black paper. The torn paper is arranged in concentric circles with the head in the center.

    Receptor modulators chart new courses out of depression

    By Amanda N. Johnson “Major depression is one of the most common mental disorders in the U.S. According to the National Institute of Mental Health, approximately 7% (17.3 million) of American adults had at least one major depressive episode in 2017.” (Tadamichi, stock.adobe.com) Existing drug treatments relieve mental illness for… Read More

    Feb. 4, 2020

  • A 3D visualization of the transcription factors MYC and MAX (gray/blue) bound to a DNA helix (red/orange).

    Breaking up MYC-WDR5 to counter cancers

    By Suneethi Sivakumaran C-MYC, a variant of MYC, and MAX bound to DNA. (Molekuul.be, stock.adobe.com) Cancers are complex and diverse in nature, assailing the human body through different mechanisms. Cancer cells outsmart normal cells through myriad mechanisms, including sustained proliferation, insensitivity to growth suppressors, and resistance to cell… Read More

    Feb. 4, 2020

  • Closeup of doctor's hands, vaccine, and arm. The doctor is wearing blue nitrile groves and a smart watch. The syringe is uncapped - the doctor is holding it as if about to give the patient the shot.

    Targeting NA to protect against lethal avian flu infection

    By Sohini Roy New research can lead to improved vaccines against the flu, including strains such as H7N9 and antiviral-resistant strains. Image by Heather Hazzan, SELF Magazine. Published under a CC BY 2.0 license. Obtained from Flickr. Asian lineage avian influenza virus (H7N9) is… Read More

    Jan. 22, 2020

  • Close up of a white mouse drinking something from a silver tube. The mouse is in its cage and is looking at the camera and holding the drinking tube with one paw. A yellow container can be seen in the lower right corner. The bottom of the cage is littered with shavings.

    Of mice and tailgaters: Identifying neural circuitry involved in binge drinking

    By Deborah Roby A mouse drinking from a water dispenser. Published under a CC0 1.0 license. Researchers at the Vanderbilt Center for Addiction Research, along with collaborators at MIT and Salk Institute, have determined a neurological pathway that may be used to determine a… Read More

    Dec. 19, 2019

  • 3D rendering of a brain, viewed from the coronal plane, on a gray background. Red spheres with plus signs surround the brain - some are in better focus than others, giving the image an additional 3D feel.

    Fight or flight – Flexibly

    By Julia Thompson Artist’s rendering of a mental health concept, by Quince Media. Image reproduced under a CC BY 4.0 license. Fear is a crucial emotion for human survival. Without the ability to experience fear in response to possible threats in the environment, it is all too easy… Read More

    Dec. 19, 2019

  • Vanderbilt University

    Barring normal skin barrier formation

    By Suneethi Sivakumaran Proposed mechanism of skin barrier formation. SDR9C7-catalyzed oxidation of linoleate in ceramides is required for covalent binding to the protein matrix and sealing of the water permeability barrier. Diagram courtesy of Alan Brash. Human skin has three major layers: epidermis, dermis, and hypodermis. Epidermis is the outermost… Read More

    Dec. 10, 2019

  • To B or not to B (mature)

    To B or not to B (mature)

    By Cassandra Awgulewitsch   A 3D drawing of a B cell. From Blausen.com staff (2014). “Medical gallery of Blausen Medical 2014”. WikiJournal of Medicine 1 (2). DOI:10.15347/wjm/2014.010. ISSN 2002-4436. Reproduced under a CC BY-SA 4.0 license. Kristy Stengel, a postdoc in… Read More

    Dec. 5, 2019

  • Vanderbilt University

    Anatomy of a toxin pore

    By Jaime Jensen An artist’s rendering of the pore-forming action of a C. difficile binary toxin. Courtesy of the artist. Eve Moll 2019. This article originally appeared in the Nature Research Microbiology Community blog. The bacterium Clostridioides* difficile (C. diff) has been called many things: a superbug,… Read More

    Nov. 27, 2019

  • Vanderbilt University

    Making ends meet, and how to avoid a (replication) hangover

    By Alexandra Fuller Model of vertebrate replication termination. Adapted with permission from Dewar et al. Nature 2018; 525:345–350. DOI: 10.1038/nature14887. You might break chicken eggs for your breakfast, but the lab of James Dewar (Biochemistry) breaks frog eggs to better understand the mechanisms cells use to terminate DNA replication. Published… Read More

    Nov. 8, 2019