chylomicrons
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LIPIDOGRAMME
Les chylomicrons et les VLDL assurent le transport des triglycérides provenant de l'alimentation jusqu'aux cellules Les LDL et HDL sont quant à elles |
Comment se forme le LDL ?
Les LDL sont produites par le foie à partir des lipoprotéines de très basse densité (ou VLDL, en anglais : very low density lipoprotein).
Elles portent des apolipoprotéines B-100, une monocouche de phospholipides, des triglycérides et des vitamines liposolubles antioxydantes (vitamine E et caroténoïdes).Pourquoi les chylomicrons passent dans la lymphe ?
Les chylomicrons constituent un système de transport des lipides du tube digestif aux tissus et au foie.
Ils sont synthétisés dans l'entérocyte à partir des lipides provenant de l'alimentation, passent dans les canaux lymphatiques, d'où ils atteignent le canal thoracique qui se termine dans la veine cave supérieure.25 août 2018Quel est le rôle des chylomicrons ?
Les chylomicrons sont synthétisées par l'intestin à partir des triglycérides et du cholestérol absorbés lors d'un repas (cycle exogène).
Leur tâche principale est de transférée les triglycérides à travers le sang vers les sites de stockage, le tissu adipeux, disposés un peu partout dans le corps.28 juil. 2020Les chylomicrons (prononciation \\ki. lo. mi. kʁɔ̃\\) sont des lipoprotéines qui se forment en période de digestion.
Dyslipidemia
Chylomicron Metabolism USMLE Mnemonic
21:Chylomicrons Metabolism Lipid Metabolism Biochemistry NJOY Biochemistry
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Chylomicron metabolism
٢٥/١٠/٢٠٢٣ Femoral arteries were also tied to decrease the bone marrow uptake of chylomicrons. Chylomicron remnants were isolated from the plasma of ... |
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Incorporation of Dietary Lecithin and Lysolecithin into Lymph
Up to 40% of 1-acyl lysolecithin-32P fed with corn oil was recovered in chylomicron lecithin in 6 hours. The findings indicate that dietary lecithin is |
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The surface coat of chylomicrons: electron microscopy
coat of the chylomicron (1). In the accompanying paper. (2) further properties of the surface material of isolated chylomicrons have been presented. |
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Chylomicron/chylomicron remnant turnover in humans: evidence for
Chylomicron/chylomicron remnant turnover in humans: evi- dence for margination of chylomicrons and poor conversion of larger to smaller chylomicron remnants.J |
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Changes in the Composition of “Synthetic Chylomicrons” After
following the infusion of a fat emulsion the chylomicrons recovered from the plasma have some of the chemical characteristics of natural chylomicrons. |
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Effects of particle size and number on the plasma clearance of
chylomicrons were injected intravenously into rats. Tri-. Ahbreviatioiis: CM chylomicron; VLUL. |
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Physical and chemical changes in isolated chylomicrons: prevention
The washed chylomicron and lymph preparations were also examined by phase contrast microscopy. Absorption of Lipids ut nm. Linoleic acid is the major fatty acid |
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Electron microscopic studies of the assembly intracellular transport
The mechanism of chylomicron secretion from the intestinal absorptive cells into the intercellular spaces has eluded precise ultrastructural definition. The. |
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Human Very Low DensityLipoproteins and Chylomicrons Can
and chylomicrons as well as low density lipoproteins (LDL) and high density VLDL and chylomicrons |
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Lipoprotein lipase enhances removal of chylomicrons and
Hultin and G. Olivecrona. Lipoprotein lipase enhances removal of chylomicrons and chylomicron remnants by the perfused rat liver. J. Lipid Res. 1995. 36: |
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Effect of Chylomicrons on the Fibrinolytic Activity of Normal Human
prandially (chylomicrons) are responsible for inhibiting fibrinolysis. Since the change in plasma lipids- after ingestion of fat consists. |
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Effects of particle size and number on the plasma clearance of
Chylomicrons are heterogeneous in size and range in diameter from 75 to 600 nm (1). Chylomicron size depends on the flux of triacylglycerol through the ab-. |
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Test Definition: TGLBF
Pleural fluid: Chylothorax is the name given to pleural effusions containing chylomicrons. They develop when chyle accumulates from disruption of the lymphatic |
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Human Very Low DensityLipoproteins and Chylomicrons Can
and chylomicrons as well as low density lipoproteins (LDL) and high density lipoproteins (HDL) |
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Metabolism of chylomicrons labeled with C14-glycerol-H3-palmitic
The conclusion is that chylomicron glyceride is taken up intact by the liver but is rapidly metabolized with re-esterification of the fatty acids to unlabeled |
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Size and lipid composition of chylomicrons of different Svedberg
ABSTRACT Chylomicrons from thoracic duct lymph of rabbits which were fed corn oil were separated in a preparative ultracentrifuge into subfractions of |
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Role of capillary endothelium in the clearance of chylomicrons. A
of chylomicrons and VLDL is hydrolyzed during uptake from blood and that this process is catalyzed by lipoprotein lipase.13 * Lipoprotein lipase activity is |
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A rapid method for staining large chylomicrons.
micron remnants chylomicrons negative stain positive stain chylo-. The negative staining of lipoprotein particles with phosphotungstate (PTA) has long been |
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Preliminary Data on the Composition and Certain Properties of
AND CERTAIN PROPERTIES OF HUMAN CHYLOMICRONS observed that the chylomicrons in the lymph ... the chylomicrons from ascitic fluid migrated. |
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The lipid composition of human plasma chylomicrons
The fatty acid composition of chylomicron triglycerides was usually similar to that of butter but myristic and shorter-chain acids showed concentrations lower |
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Les lipides et dérivés - UNF3S
d'acides biliaires et de lipides – diffusion passive à travers la bordure en brosse de l'épithélium – accumulation dans les chylomicrons – transport par la |
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Le transport sanguin des lipides après absorption intestinale
Expliquer pourquoi les chylomicrons ne traversent pas les capillaires sanguins 3 3 Décrire la ou les voie(s) empruntée par les chylomicrons pour rejoindre la |
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RÉSUMÉ la formation de chylomicrons, des observations en
Nous avons observé, dans la cellule absorbante, à côté des chylomicrons, la présence d'une quantité importante de lipides sous une autre forme (lipides |
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LIPIDOGRAMME
Les chylomicrons et les VLDL assurent le transport des triglycérides provenant de l'alimentation jusqu'aux cellules Les LDL et HDL sont quant à elles, |
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Digestion et transport des lipides - Omniscience
9 fév 2007 · d'une lipoprotéine : chylomicron Page 3 Les chylomicrons tirent leur nom du « chyle », nom donné au sys- |
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Métabolisme des lipoprotéines
Les chylomicrons VLDL : Very Low Density Proteins Lipoprotéines de très basse densité IDL : IntermediateDensityProteins Lipoprotéines de densité |
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M6tabolisme intravasculaire des chylomicrons et des remnants de
Les chylomicrons sont synth6tis6s par l'intestin et assurent le transport des Mots-cl6s : Chylomicron, remnant, apolipoproteine, recep- teurs aux lipoproteines |
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Cholestérol HDL
Sérum trouble ou opalescent: VLDL Sérum lactescent: chylomicrons Sérum limpide: • Bilan lipidique normal • des LDL ou des HDL L'ASPECT DU SERUM |
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