Martin J. Scott

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PCSK9 (proprotein convertase subtilisin/kexin type 9) promotes degradation of the LDLR [LDL (low-density lipoprotein) receptor] through an as-yet-undefined mechanism, leading to a reduction in cellular LDLc (LDL-cholesterol) and a concomitant increase in serum LDLc. Central to the function of PCSK9 is a direct protein-protein interaction formed with the(More)
1. Two different gels have been prepared suitable for the separation of a number of enzymes, in particular NAD(+)-dependent dehydrogenases, by affinity chromatography. For both the matrix used was Sepharose 4B. For preparation (a), NAD(+)-Sepharose, 6-aminohexanoic acid has been coupled to the gel by the cyanogen bromide method and then NAD(+) was attached(More)
A device, the enzyme thermistor, is described which is capable of measuring changes in heat due to enzymic reactions. The sensor, a thermistor, is in direct contact with the site of reaction through its placement in a microcolumn filled with an immobilised enzyme preparation. The substrate solution flows past the thermistor tip, and as much as approx. one(More)
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