منابع مشابه
Gastrointestinal satiety signals IV. Apolipoprotein A-IV.
The focus of this article is to review evidence that apolipoprotein A-IV (apo A-IV) acts as a satiety factor. Additionally, information regarding the general involvement of apo A-IV in the regulation of food intake and body weight is stated. Apo A-IV is a glycoprotein synthesized by the human intestine. In rodents, both the small intestine and liver secrete apo A-IV, but the small intestine is ...
متن کاملConformational properties of human and rat apolipoprotein A-IV.
Apolipoprotein A-IV has been isolated from four sources: human and rat lymph and plasma. Conformational properties of the rat and human apoA-IV in solution and denaturation changes induced by guanidine hydrochloride (Gnd X HCl) were studied using circular dichroic and fluorescence spectroscopy, and analytical sedimentation equilibrium ultracentrifugation. We have shown that both rat and human a...
متن کاملHuman apolipoprotein A-IV. Intestinal origin and distribution in plasma.
The role of the human intestine has been explored as a site of synthesis of apoA-IV, a major apoprotein of human intestinal triglyceride-rich lipoproteins. Intestinal biopsies were performed on normal volunteers while fasting and after lipid ingestion. Indirect immunofluorescence demonstrated a marked increase in immunofluorescence for apoA-IV during lipid absorption consistent with an increase...
متن کاملDistribution of apolipoprotein A-IV in human plasma.
Human apoA-IV was purified from delipidated urinary chylomicrons. Monospecific antibodies were raised in rabbits and used to develop a double antibody radioimmunoassay (RIA). Displacement of 125I-labeled apoA-IV by plasma or purified chylomicron apoA-IV resulted in parallel displacement curves, indicating that apoA-IV from both sources share common antigenic determinants. The apoA-IV level in p...
متن کاملQuantification of apolipoprotein A-IV in human plasma by immunonephelometry.
We developed a nephelometric procedure for determining concentrations of human plasma apolipoprotein (apo) A-IV. Results obtained correlate well with those measured by an established electroimmunodiffusion assay (r = 0.98; n = 56). Intra- and interassay CVs were 2.4% and 2.0%, respectively, indicating excellent precision and reproducibility. Various conditions of sample treatment, such as adequ...
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ژورنال
عنوان ژورنال: Journal of Clinical Investigation
سال: 1980
ISSN: 0021-9738
DOI: 10.1172/jci109745