Studies on Cholesterol in Food (Part 5)

Studies on 5-hydroxyuridine.

Studies on the Biosynthesis of Cholesterol

We have recently presented evidence indicating that during biosynthesis of squalene from farnesyl pyrophosphate by rat liver microsomes, 1 hydrogen atom attached to carbon 1 of 1 of the 2 precursor molecules condensing to squalene was exchanged for a hydride ion derived from reduced triphosphopyridine nucleotide (1). This conclusion was drawn from the observations, (a) that during synthesis of ...

Absorption Spectra Studies on Cholesterol and Ergosterol.*

In the previous paper it was shown that highly purified spinal cord cholesterol is still activatable to antirachitic activity when irradiated in the solid form by a Cooper Hewitt mercury vapor quartz lamp. Although the activatability is decreased by the purification methods employed, nevertheless these purified products can again be rendered at least 25 times more activatable if heated under th...

Cerebral atherosclerosis in Japanese. Part 5: relationship between cholesterol deposition and glycosaminoglycans.

Concentrations of various lipids and glycosaminoglycans (GAG) in the intima of the grossly normal and atherosclerotic cerebral arteries were compared with those of the aorta and coronary arteries. The lowest percentage of esterified cholesterol (EC) in total cholesterol, and of chondroitin sulfate-4/6 (CS-4/6) in total glycosaminoglycans and the highest percentage of heparin sulfate (HS) in tot...

The role of 5-HT2A and 5-HT2C receptors on harmalineinduced eating behavior in 24-h food-deprived broiler cockerels

This study was designed to examine the effects of intracerebroventricular (ICV) injection of ketanserin(5-HT2a receptor antagonist) and SB242084 (5-HT2c receptor antagonist) on harmaline induced feeding anddrinking response in 24-h food-deprived (FD24) broiler cockerels. At first, guide cannula was surgicallyimplanted in the right lateral ventricle of chickens. In experiment 1, birds were injec...