Stephen Doster

  • Vanderbilt University

    The β cell’s path to success: Balancing insulin production and storage

    By Deborah Roby Irina Kaverina. The Cell and Developmental Biology labs of Irina Kaverina and collaborators Guoqiang Gu and Chris Wright recently published work in Current Biology that presents a newly discovered means by which the pancreas maintains glucose homeostasis. This work illuminates the crucial steps pancreatic β cells take to… Read More

    Jul. 31, 2019

  • Vanderbilt University

    Sex differences in kidney injury

    Jul. 25, 2019, 8:30 AM by Kelsey Herbers Evidence indicates men have higher incidence of chronic kidney disease and quicker renal decline than premenopausal women. However, sex differences in the expression and activation of the EGF receptor (EGFR), which mediates progressive renal injury, are largely unexplored. Ming-Zhi… Read More

    Jul. 26, 2019

  • Vanderbilt University

    Team’s study reveals details of new DNA repair pathway

    Jul. 25, 2019, 9:33 AM David Cortez, PhD, left, Petria Thompson, Katherine Amidon, Brandt Eichman, PhD, and colleagues are studying how a DNA repair pathway protein shields sites of damage to avoid mutations. (photo by Anne Rayner) by Leigh MacMillan A team of Vanderbilt investigators has discovered how a DNA… Read More

    Jul. 26, 2019

  • Vanderbilt University

    Exploring Allostery as a Signaling System

    Figure reproduced under the CC BY 4.0 license from E. M. Shockley, et al. (2019) NPJ Syst. Biol. Appl. 5, 23. Multi-input/multi-output (MIMO) signaling systems, defined as networks that coordinate numerous inputs (e.g., enzyme substrates, receptor ligands, allosteric modulators) to yield multiple outputs (e.g., products, secondary signaling molecules, etc.)… Read More

    Jul. 25, 2019

  • Vanderbilt University

    Rasmussen named Vanderbilt Prize Student Scholar

    Jul. 18, 2019, 10:02 AM by Bill Snyder Megan Rasmussen, a PhD student in the Department of Cell and Developmental Biology at Vanderbilt University School of Medicine, has been selected as the 2019 Vanderbilt Prize Student Scholar. Megan Rasmussen She will receive a $1,000 cash prize and will be mentored… Read More

    Jul. 19, 2019

  • Vanderbilt University

    Madhur receives Presidential Early Career Award

    Jul. 18, 2019, 10:06 AM by Leigh MacMillan Meena Madhur, MD, PhD Meena Madhur, MD, PhD, assistant professor of Medicine, has received a Presidential Early Career Award for Scientists and Engineers (PECASE). The award, established in 1996, is the highest honor bestowed by the U.S. government on… Read More

    Jul. 18, 2019

  • Vanderbilt University

    Center for Immunobiology grows, bolsters program

    Jul. 18, 2019, 8:32 AM by Tom Wilemon The Vanderbilt Center for Immunobiology (VCI) has relaunched its mission with a greater focus on human immunology, an endeavor supported by additional researchers, more funding support and designation as a Center of Excellence. “We are focusing on human immune diseases and trying… Read More

    Jul. 18, 2019

  • Vanderbilt University

    Potassium balance and glaucoma

    Jul. 15, 2019, 8:30 AM by Sanjay Mishra Retinal ganglion cells (RGCs) make up the optic nerve. When RGCs degenerate due to elevated intraocular pressure caused by glaucoma, vision is lost. Cells surrounding RGCs called Müller glia maintain a healthy ionic environment through a process called potassium siphoning, where Müller glia… Read More

    Jul. 15, 2019

  • Vanderbilt University

    Vanderbilt team shows how stomach bug can trigger cancer

    Jul. 11, 2019, 9:32 AM This illustration shows the H. pylori bacterium and a close-up of its “injector” at the stomach lining. Researchers at Vanderbilt University and the University of Michigan in Ann Arbor have obtained the first high-resolution image of a molecular “machine” used by the insidious stomach bug… Read More

    Jul. 12, 2019

  • Vanderbilt University

    Vanderbilt vaccine pioneer James Crowe honored with major science prize

    Vanderbilt vaccine pioneer James Crowe honored with major science prize Jul. 9, 2019, 8:57 AM by Bill Snyder James Crowe Jr., MD, director of the Vanderbilt Vaccine Center, will be honored today by the science and technology company Merck KGaA, Darmstadt, Germany for his contributions to developing new… Read More

    Jul. 12, 2019