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The diacylglycerol-carrying lipoprotein (DGLP) was purified from hemolymph of the locust, Locusta migratoria, by a rapid method which included a specific precipitation at low ionic concentration and DEAE-cellulose column chromatography. The final preparation was highly homogeneous as judged by gel electrophoresis, electron microscopy, and immunodiffusion.(More)
A lipid transfer particle (LTP) from the hemolymph of adult male locusts, Locusta migratoria, was isolated and purified. The locust LTP exhibited its capacity to catalyze the exchange of diacylglycerol between low density lipophorin (LDLp) and high density lipophorin (HDLp). Contrary to the LTP reported for the tobacco hornworm, M. sexta, the locust LTP(More)
A lipid transfer particle (LTP) was isolated and purified from the hemolymph of the adult male American cockroach, Periplaneta americana, essentially according to the method previously developed for the purification of LTP from locust hemolymph. Fast protein liquid chromatography (FPLC) on a Mono Q column was used as the additional step to obtain pure LTP.(More)
It was demonstrated that the primary action of adipokinetic hormone (AKH) is to stimulate calcium ion uptake into the fat body cell, subsequently causing the formation of diacylglycerol from triacylglycerol. Furthermore, it was also shown that AKH is not directly responsible for increased diacylglycerol uptake by lipophorin from the fat body. The(More)
BACKGROUND Viral infection is one of the risk factors for asthma exacerbation. However, which pathogens are related to asthma exacerbation in adults remains unclear. OBJECTIVE The relation between various infections and adult asthma exacerbations was investigated in clinical practice. METHODS The study subjects included 50 adult inpatients due to asthma(More)
Biosynthesis of locust apolipophorin-III (apo-III) was studied in vitro. Gel electrophoresis and immunoblotting analyses of the locust hemolymph demonstrated that apo-III first appears in the hemolymph on the day 3 of the adult stage after the final molt and its hemolymph concentration increases thereafter. When incubated in vitro in a medium containing(More)
The conversion of cholesterol into 3beta-hydroxy-5alpha-cholestan-6-one has been demonstrated to occur in prothoracic glands of last instar larvae of the silkworm, Bombyx mori. Incubation of glands containing radiolabeled 3beta-hydroxy-5alpha-cholestan-6-one results in the disappearance of this sterol from the glands and the concomitant appearance of(More)
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