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  • Author(s):
    Frederik J. Steyn, Siobhan Kirk, Tesfay W. Tefera, Teresa Xie, Timothy Tracey, Dean Kelk, Elyse Wimberger, Fleur Garton, Llion Robets, Sarah Chapman, Jeff Coombes, W. Matthew Leevy, Alberto Ferri, Cristiana Valle, Frederique Rene, Jean-Philippe Loeffler, Pamela McCombe, Robert Henderson, Shyuan Ngo
    Abstract:

    Amyotrophic lateral sclerosis (ALS) is characterized by the degeneration of upper and lower 36 motor neurons, yet an increasing number of studies in both mouse models and patients with 37 ALS suggest that altered metabolic homeostasis is a feature of disease. Pre-clinical and clinical 38 studies have shown that modulation of energy balance can be beneficial in ALS. However, our 39 capacity to target specific metabolic pathways or mechanisms requires detailed understanding 40 of metabolic dysr…

    Date Published:
    2020-04
    Record Visibility:
    Public
  • Author(s):
    Francesca Manzoni, Claudia Muller, Jonathan DeAssis, Deborah Lew, W. Matthew Leevy, Silvia Finnegan
    Abstract:

    Phosphatidylserine externalization is an early molecular signature for apoptosis. In many retinal degenerative diseases, photoreceptor neurons die by apoptosis. Here, we report utility of the phosphatidylserine-binding conjugate of Bis(zinc(II)-dipicolylamine (Zn-DPA) with Texas-red (PSVue-550) in transiently labeling apoptotic photoreceptors in living pigmented or albino rats and mice with retinal degeneration. Applying PSVue-550 as eyedrop is non-toxic and eliminates need for intraocular in…

    Date Published:
    2019-02
    Record Visibility:
    Public
  • Author(s):
    Cassandra L. Gorsuch, Patrick Fagan, Chan Lee, Sun Eun Kim, Jens C. Hamann, Joshua A. Mason, Kelsey J. Weigel, Matyas Abel Tsegaye, Luqun Shen, Sydney Shuff, Junjun Zuo, Stephan Hu, Lei jJiang, Sarah Chapman, W. Matthew Leevy, Ralph J. DeBerardinis, Michael Overholtzer, Zachary T. Schafer
    Abstract:

    For cancer cells to survive during extracellular matrix (ECM) detachment, they must inhibit anoikis and rectify metabolic deficiencies that cause non-apoptotic cell death. Previous studies in ECM-detached cells have linked non-apoptotic cell death to reactive oxygen species (ROS) generation, although the mechanistic underpinnings of this link remain poorly defined. Here, we uncover a role for receptor-interacting protein kinase 1 (RIPK1) in the modulation of ROS and cell viability during ECM …

    Date Published:
    2018-03
    Record Visibility:
    Public
  • Author(s):
    Ian M. Sander, Matthew T. McGoldrick, My N. Helms, Aislinn Betts, Anthony van Avermaete, Elizabeth Owers, Evan Doney, Taimi Liepert, Glen Niebur, Douglas Liepert, W. Matthew Leevy
    Abstract:

    Advances in three-dimensional (3D) printing allow for digital files to be turned into a “printed” physical product. For example, complex anatomical models derived from clinical or pre-clinical X-ray computed tomography (CT) data of patients or research specimens can be constructed using various printable materials. Although 3D printing has the potential to advance learning, many academic programs have been slow to adopt its use in the classroom despite increased availability of the equipment …

    Date Published:
    2017
    Record Visibility:
    Public
  • Author(s):
    Justin Ceh, Tom Youd, Zach Mastrovich, Cody Peterson, Sarah Khan, Todd A. Sasser, Ian M. Sander, Justin Doney, Clark Turner, W. Matthew Leevy
    Abstract:

    Radiopacity is a critical property of materials that are used for a range of radiological applications, including the development of phantom devices that emulate the radiodensity of native tissues and the production of protective equipment for personnel handling radioactive materials. Three-dimensional (3D) printing is a fabrication platform that is well suited to creating complex anatomical replicas or custom labware to accomplish these radiological purposes. We created and tested multiple A…

    Date Published:
    2017
    Record Visibility:
    Public