MSR - Tête De L'empreur Maximien Hercule - Inv 34 B (cropped).jpg
MSR may refer to: Science and technology * Macrophage scavenger receptor, a receptor found in macrophages * Magnetic stripe reader, a device used to read magnetic stripe cards such as credit cards * M–sigma relation, in astrophysics * Mars sample return mission, a spaceflight mission to return rock and dust samples collected on Mars * Mirror self-recognition, in animals through the mirror test * Molten salt reactor, an advanced nuclear reactor design Computing * Machine state register, a register used in PowerPC architectures * Model-specific register, a feature in x86 processors * Microsoft Reserved Partition, a space-management partition on a computer storage device * Mining software repositories, a field that analyzes the rich data available in software repositories Entertainment * MSR Studios, a New York recording studio * The Most Serene Republic, a Canadian indie rock band * ''Metropolis Street Racer'', a Dreamcast racing game * Mid-season replacement, a television ...
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MSR1
Macrophage scavenger receptor 1, also known as MSR1, is a protein which in humans is encoded by the ''MSR1'' gene. MSR1 has also been designated CD204 (cluster of differentiation 204). Function This gene encodes the class A macrophage scavenger receptors, which include three different types (1, 2, 3) generated by alternative splicing of this gene. These receptors or isoforms are trimeric integral membrane glycoproteins and have been implicated in many macrophage-associated physiological and pathological processes including atherosclerosis, Alzheimer's disease, and host defense. They were thought to be expressed macrophage-specific, but recently shown to be present on different dendritic cells classes, too. The isoforms type 1 and type 2 are functional receptors and are able to mediate the endocytosis of modified low density lipoproteins (LDLs). The isoform type 3 does not internalize modified LDL (acetyl-LDL) despite having the domain shown to mediate this function in the t ...
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