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Lipoprotein

Lipoprotein

(Science: biochemistry) An important class of serum proteins in which a spherical hydrophobic core of triglycerides or cholesterol esters surrounded by an amphipathic monolayer of phospholipids, cholesterol and apolipoproteins.

Classified according to density: chylomicrons, large low density particles, very low density, low density and high density species.

Important in lipid transport, especially cholesterol transport in the blood stream. Abnormalities in lipoprotein metabolism have been implicated in certain heart diseases.


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Lipoprotein metabolism

Hi. I have two questions about lipoprotein metabolism in rats and having trouble approaching them. Any help would be appreciated. 1. Rats are nocturnal feeders. How does this effect on the study of lipoprotein metabolism if the samples are ...

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by abcab
Mon Mar 23, 2009 3:58 am
 
Forum: Molecular Biology
Topic: Lipoprotein metabolism
Replies: 0
Views: 326

Re: membrane permeability - let's make it clear!

... you need a large quantity of it because the cell needs to include it in its membrane. Therefore cholesterol is transported in the blood large lipoprotein "balls", which can only be taken up by receptor mediated endocytosis. Steroid hormones, however, are just a source of information, ...

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by MrMistery
Mon Dec 01, 2008 12:27 am
 
Forum: Cell Biology
Topic: membrane permeability - let's make it clear!
Replies: 1
Views: 1139

Water/Fat soluble vitamins

Here's one way. Think of the question as asking how you can mix oil with water. Hint#1 is soap. Hint#2 is mayonnaise. Hint#3 is lipoprotein.

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by mith
Fri Apr 18, 2008 8:12 pm
 
Forum: Molecular Biology
Topic: Water/Fat soluble vitamins
Replies: 4
Views: 731

Sugar Allergy

... oxygen for perianal Crohn's disease. J Clin Gastroenterol. 1994;19(3):202-205. 195. Levy E, Rizwan Y, Thibault L, et al. Altered lipid profile, lipoprotein composition, and oxidant and antioxidant status in pediatric Crohn disease. Am J Clin Nutr.2000;71:807-815. 196. Lewis JD, Fisher RL. Nutrition ...

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by DrDahlman
Sat Jan 12, 2008 4:20 pm
 
Forum: Human Biology
Topic: Sugar Allergy
Replies: 71
Views: 68335

Active Transportation in the human body

... component that binds to the receptor. I can think of two examples right now. 1. Cholesterol travels in the blood complexed with proteins called apolipoproteins in lipoprotein particles(LDL, HDL etc). When a cell takes up cholesterol from the blood, it takes up the whole particle by receptor mediated ...

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by MrMistery
Sun Aug 19, 2007 8:05 pm
 
Forum: Cell Biology
Topic: Active Transportation in the human body
Replies: 4
Views: 2832
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