Aliquots Archive — Page 25 of 83

Two-panel molecular surface rendering labeled A and B. Panel A shows a large multicolored protein complex with a boxed central region and an arrow pointing to panel B. Panel B magnifies the region, with labels β-TF2 and β-TF1 above an outlined area and an arrow identifying a coiled-coil domain.
February 11, 2020

A key to calcium signaling

Erkan Karakas and colleagues used cryo-electron microscopy to determine structural details of a calcium channel protein that has numerous cell signaling roles.

Illustration of overlapping purple spherical cells, each with a prominent blue spherical nucleus, against a black background.
February 10, 2020

Imaging breast cancer cell size

A noninvasive MRI approach assesses breast tumor cell size and could be a useful way to evaluate early response to neoadjuvant therapy.

Illustration of several teal, curved rod-shaped bacteria with hairlike structures and flagella against a pink-red background.
February 6, 2020

Powering H. pylori pathogenesis

Timothy Cover and colleagues report new insights into the sources of energy used by a bacterial “machine” linked to the pathogenesis of stomach cancer.

Abstract visualization of DNA sequencing data, with multicolored nucleotide letters and fluorescent waveform peaks reflected across a digital data surface.
February 6, 2020

New tool probes gene regulation

Vanderbilt biochemists got unexpected results when they used their new approach to explore the role of DNA methylation in gene regulation.

Stylized illustration of glowing orange nerve cells with branching axons and interconnected fibers against a black background.
January 28, 2020

Imaging nerve regeneration

Diffusion MRI may provide a noninvasive approach to assess nerve regeneration and distinguish successful from unsuccessful repairs earlier.

Illustration of an artery narrowed by yellow cholesterol plaque deposits, with red blood cells flowing through the remaining open channel.
January 27, 2020

A new contributor to atherosclerosis

Sean Davies and colleagues are exploring lipid aldehydes produced during oxidative stress and their contribution to HDL dysfunction and atherosclerosis.