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Cell entry of most alphaherpesviruses is mediated by the binding of glycoprotein D (gD) to different cell surface receptors. Equine herpesvirus type 1 (EHV-1) and EHV-4 gDs interact with equine major histocompatibility complex I (MHC-I) to initiate entry into equine cells. We have characterized the gD-MHC-I interaction by solving the crystal structures of EHV-1 and EHV-4 gDs (gD1, gD4), performing protein-protein docking simulations, surface plasmon resonance (SPR) analysis, and biological assays. The structures of gD1 and gD4 revealed the existence of a common V-set immunoglobulin-like (IgV-l...

Zeiss has launched its latest all-in-one cell imaging system, the Zeiss Axiovert 5 digital, which employs artificial intelligence (AI) and automatic functions to streamline daily tasks in the cell lab. Click to read more...

A novel rHDL preparation method to overcome the challenges for the preparation of reconstituted high-density lipoprotein

The loss of inner ear hair cells causes permanent hearing and balance deficits in humans and other mammals, but nonmammals recover after supporting cells (SCs) divide and replace hair cells. The proliferative capacity of mammalian SCs declines as exceptionally thick circumferential F-actin bands develop at their adherens junctions. We hypothesized that the reinforced junctions were limiting regenerative responses of mammalian SCs by impeding changes in cell shape and epithelial tension. Using micropipette aspiration and atomic force microscopy, we measured mechanical properties of utricles fro...

ECM Integrity Assay In order to test the integrity of each assay’s ECM, 100 µg/mL of Collagen Type I – FITC conjugate (Sigma-Aldrich) was coated onto wells of an Oris™ assay plate (without stoppers) and a Costar ® plate. These plates were then incubated overnight at 37 °C / 5% CO 2. After incubation, stoppers were inserted into the Oris™ assay plate while sterile PBS was added to both assay plates’ wells. At 1 hour, 24 hour, and 48 hour intervals post-insertion, stoppers were removed before fluorescence images were acquired using a Zeiss Axiovert inverted microscope. Scratches we...