Results 21 to 30 of about 11,121 (205)
Isolation and identification of new constituents in milk fat
After removal of cholesterol on a digitonin column, the unsaponifiable matter of milk fat was examined for alcoholic substituents. Derivatization with pyruvic acid chloride 2,6-dinitrophenylhydrazone and fractionation of the derivatives gave four main ...
C.R. Brewington +2 more
doaj +1 more source
Lanosterol Synthase in Dicotyledonous Plants [PDF]
Sterols are important as structural components of plasma membranes and precursors of steroidal hormones in both animals and plants. Plant sterols show a wide structural variety and significant structural differences from those of animals. To elucidate the origin of structural diversity in plant sterols, their biosynthesis has been extensively studied ...
Masashi, Suzuki +10 more
openaire +2 more sources
Biosynthesis of squalene and sterols by rat aorta
The synthesis of nonsaponifiable compounds from radioactive mevalonate by segments of adult rat aorta was studied in vitro. The labeled products consisted largely of substances with the chromatographic and chemical behavior of squalene, lanosterol ...
MARIE M. DALY
doaj +1 more source
Preparation and properties of a cell-free system from rat skin that catalyzes sterol biosynthesis
Homogenates of epidermis from rat skin were centrifuged at 10,000 · g for 20 min. The supernatant fraction (“whole homogenate”) catalyzed the demethylation of lanosterol (C30) to yield C27-sterols. The rate of reaction was measured by the rate of release
J.L. Gaylor +3 more
doaj +1 more source
We attempted to prepare ophthalmic in situ gel formulations containing lanosterol (Lan) nanoparticles (LA-NPs/ISG) and investigated the characteristics, delivery pathway into the lens, and anti-cataract effects of LA-NPs/ISG using SCR-N (rats with slight
Noriaki Nagai +6 more
doaj +1 more source
The Forkhead transcription factors FoxO1, FoxO3a, and FoxO4 play a prominent role in regulating cell survival and cell cycle. Whereas FOXO1 was shown to mediate insulin sensitivity and adipocyte differentiation, the role of the transcription factor FoxO4
Jun Zhu +5 more
doaj +1 more source
Plant oxidosqualene metabolism: cycloartenol synthase-dependent sterol biosynthesis in Nicotiana benthamiana. [PDF]
The plant sterol pathway exhibits a major biosynthetic difference as compared with that of metazoans. The committed sterol precursor is the pentacyclic cycloartenol (9β,19-cyclolanost-24-en-3β-ol) and not lanosterol (lanosta-8,24-dien-3β-ol), as it was ...
Elisabet Gas-Pascual +3 more
doaj +1 more source
Candida albicans (C. albicans) is a fungus that causes candidiasis. C. albicans has the enzyme Lanosterol 14- α demethylase. Lanosterol 14-α-demethylase has bioactivity in converting lanosterol to ergosterol, a special sterol found in fungal membranes,
Nurul Istiqomah +2 more
doaj +1 more source
Sterol-regulated HMG-CoA reductase (HMGCR) degradation and SREBP-2 cleavage are two major feedback regulatory mechanisms governing cholesterol biosynthesis.
Liang Chen +10 more
doaj +1 more source
Efficient routes to epimerically-pure side-chain derivatives of lanosterol [PDF]
A technically simple route is described to individual epimers of side-chain derivatives of lanosterol (3-hydroxy-5-lanosta-8,24-diene). Epimerically pure 24,25-epoxy-, 24,25-dihydroxy- and 24-bromo-25-hydroxy-lanosterol have been prepared in good yield ...
Nicholson, Brian K. +2 more
core +1 more source

