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Proton wave propagation along collagen fibersNARA Subscribed
Collagen deposition and alignment in the tumor stroma stiffen the extracellular matrix and, via integrin signaling, stimulate proton extrusion by cancer cells. In aggressive tumors, migration occurs preferentially along aligned collagen fibers, where proton efflux at the leading edge acidifies and degrades the matrix to facilitate invasion. Whether directional proton diffusion along collagen fibers exacerbates invasion remains...
An Ordovician Assemblage of Cool Water‐Adapted Paleotropical Ostracods Suggests an Early PsychrosphereNARA Subscribed
An ostracod assemblage from the Late Ordovician (Katian) Phu Ngu Formation of northern Vietnam, South China paleoplate, yields typical Baltic and Laurentian‐affinity genera together with some endemic forms. Detailed paleontological and sedimentary analysis of the Phu Ngu Formation suggests it was deposited in a deeper marine forearc setting, below storm wave base, but with (at least intermittently) oxygenated sea‐bottom condit...
Contributory presentations/postersNARA Subscribed
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