lipoprotein

There was no effect of the control antisense oligonucleotide on lipoprotein levels or oxidative parameters.

HDL, termed high-density lipoprotein, clears up cholesterol, takes it out of the system, is helpful .

It exists in a high molecular weight form, approximately 180, 000 daltons, and as such seems to be associated with a lipoprotein .

However, smoking cessation did not affect low density lipoprotein or LDL - the bad cholesterol.

Low levels of lipoprotein lipase are associated with a variety of health problems, including heart disease.

Lipoprotein: Any of a class of organic compounds that contain Both lipid (fat) and protein.

Background-: Extracellular deposition of low-density lipoprotein (LDL) in the arterial wall is an essential early step in atherosclerosis.

Study of Oxidative Low Density Lipoprotein, its Autoantibody and Atherosclerosis.

Another study suggests smoking cessation boosted high density lipoprotein cholesterol even though it was associated with weight gain.

Nor is lipoprotein lipase the only molecule affected by muscular inactivity.

Scrum lipoprotein electrophoretagra can display the heterogeneity of lipoprotein particles in detail and may be a good new method.

This process preferentially occurs at arterial branch points, reflecting a regional variation in lipoprotein-arterial wall interactions.

ApoE is an important component of plasma lipoproteins, and plays significant roles in lipoprotein metabolism.

Low-density lipoprotein (LDL) cholesterol is one component of this overall number.

A lipoprotein containing a very large proportion of lipids to protein and carrying most cholesterol from the liver to the tissues.

The protective effects of alcohol against coronary heart disease may be partly mediated by these lipoprotein changes.

Gradient gel electrophoresis determine small, dense low- density lipoprotein in plasma of patients with coronary heart disease .

Insulin sensitivity improved but high-density lipoprotein cholesterol (the "good" cholesterol) decreased.

Lipoprotein(a) [LP(a)] that has some structural similarity to low-density lipoprotein (LDL), is the important factor in many diseases.

Trans-fat raises low density lipoprotein (bad cholesterol) which is known to be associated with coronary heart disease.

It is suggested that scrum lipoprotein dynamic imbalance syndrome should be the key risk factor for those related diseases.

control high blood cholesterol: low density lipoprotein cholesterol are risk factors for proteinuria.

Formation of Low-density Lipoprotein LDL(Bad Lipid) or even pancreatitis may result from over production of triglyceride in liver.

When this happens, the cholesterol and protein form a lipoprotein together.

Here we examined the direct effects of glucagon on regulation of hepatic and intestinal lipoprotein metabolism in humans.

Elevated serum low-density lipoprotein-cholesterol(LDL-C)is a major risk factor for cardiovascular diseases.

Our data demonstrate that serum lipid and lipoprotein levels continue to track from childhood into young adulthood.

Hypertension can damage endothelial cells and shrink it, leading to easy access to the vessel wall lipoprotein.

The metabolism of serum lipoprotein , however, is a complicated and ordered metabolic process.

Oxidized low density lipoprotein: the prime culprit for atherosclerotic lesions?

The effect of hormone replacement therapy on oxidized low density lipoprotein levels and paraoxonase activity in postmenopausal women.

Those medications destroy the lipoprotein in the epithelial cells of the stomach lining.

A low level of high-density lipoprotein cholesterol (HDL-C) is an important risk factor for cardiovascular disease.

Given the liver's role in lipoprotein formation, it is not surprising that dyslipoproteinemias develop with chronic liver diseases.

The reported in vitro foam cell model was established by incubating the human U937 cells with oxidized low-density lipoprotein.

Monounsaturated fat helps lower LDL and raise high-density lipoprotein (HDL), the "good" cholesterol.

Compared with the placebo group, the colesevelam group had a 12. 8% decrease in low-density lipoprotein cholesterol concentration (P . 001).

Progress of Oxidative High Density Lipoprotein Research.

title: Statins, Low-Density Lipoprotein Cholesterol, and Risk of Cancer.

Density lipoprotein cholesterol, and triglyceride of the volume, at the same time can increase high-density lipoprotein cholesterol.

The common consensus is that lowering low-density lipoprotein cholesterol (LDL-C) levels prevents atherosclerotic cardiovascular disease.

What high fat proteinemia refers to is the blood serum lipoprotein density elevates.

Serum high-density-lipoprotein cholesterols were determined in 2568 men of males attending Screening Center.

Lipoprotein-associated phospholipase A2(Lp-PLA2) is mainly synthesized by the macrophage and lymphocytes.

Mass spectrometry ( MS ) plays an important role in the study of lipoprotein metabolism.

Objective To investigate the effect of Tectoridin on the lipoprotein of the rat with hyperlipidemia and it? s mechanism.

These medications can reduce low-density lipoprotein (LDL) cholesterol -- the bad cholesterol -- from 25 percent to 50 percent.

The effect of hypoxia training to triglyceride and lipoprotein lipase in rats . . .

And exercising 30 to 60 minutes a day can help lower triglyceride levels and boost high-density lipoprotein (HDL) -- the good cholesterol.

The human skeleton is affected by mutations in low-density lipoprotein receptor-related protein 5 (LRP5).

Plasma LDL was separated by heparin precipitation and oxidatively modified by copper ions to form oxidized low density lipoprotein(OxLDL).

Sugar reduces high density lipoprotein s.

Insulin is too little can have kept clear of because of lipoprotein again little, cause high lipoprotein hematic disease.

In addition, men who had heart attacks also had lower levels of high density lipoprotein or "good" cholesterol levels.

LI Yong Topic Is elevation of high-density lipoprotein still the study focus?

At the same time, it can decrease very low density lipoprotein and increase high density lipoprotein to make your body healthy and slim.

Identification of a novel mutation at the point of low density lipoprotein receptor gene from a subject with familial hypercholesterolemia

Objective To study the changes of lipoprotein(a)(LP(a)) in patients with acute phase cerebral infarction and hypertension.

Objective: To study the effect of soybean isoflavone active extracts on serum lipoprotein and SOD activity in Alzheimer's Disease (AD) mice.

AIM: To study the correlation between lipoprotein(a) and carotid a the rosclerosis.

Identification of a novel splice mutation of low density lipoprotein receptor gene in a Chinese family with familial hypercholesterolemia

Comparison of two different methods for direct measuring high-density lipoprotein cholesterol with a precipitation method

For high level of low-density lipoprotein (LDL): ya ma root 50 g. Make into decoction. Take it every day for 4 weeks. The LDL may lower 8%.

Analysis of the Relationship Between the Clinical Manifestations and Pathological Characteristics of Lipoprotein Nephropathy

Study of the Conjugated Dienes Assay of Oxidation Low Density Lipoprotein and Its Clinical Significance

Relationship between Oxidized Low Density Lipoprotein, Dehydroepiandrosterone and Arteriosclerotic Thrombotic Cerebral Infarction

Evaluation of non-high density lipoprotein cholesterol as a coronary risk-assessment test and its predictive value for acute coronary events

The relationship between oxidized low density lipoprotein, malondialdehyde, total antioxidative capability and coronary atherosclerosis

Correlation study of carotid arteriosclerosis with plasma lipoprotein and pulse pressure in patients with ischemic stroke

Concentration polarization of low density lipoprotein at the distal end of carotid stenosis promotes atherogenesis;

Study of the relation between low density lipoprotein and macrophage-myeloperoxidase

Clinical manifestations and pathological characteristics of lipoprotein glomerulopathy

Study of Differential Expressed Genes in Human Umbilical Vein Endothelial Cell Induced by Oxidized Low Density Lipoprotein

Comparative study of serum lipids and serum lipoprotein spectrum in patients with cerebrovascular diseases

Determination of Lipoprotein Lipase Activity Using Radioactive Substrate Emulsion and Its Application

Contrast study of the effect of Irbesartan and Irbesartan combined Rosiglitazone on lipoprotein lipase of insulin resistance SD rats

Correlation of autoantibodies against oxidized low density lipoprotein and its immune complex with coronary artery disease

Insulin Resistance, Postprandial Lipoprotein Metabolism and Atherosclerosis

Measurement of plasma high density lipoprotein cholesterol and its significance in elderly with cerebral infarction

Study on lipoprotein lipase polymorphism and its relationship with plasm lipids in patients with premature coronary heart disease

The Association between the Chemically Modified Low Density Lipoprotein and Carotid Atherosclerosis

Effect of Oxidized Low Density Lipoprotein on Cholesterol Accumulation in Mouse Peritoneal Macrophages and its possible mechanism

Serum bilirubin level in patients with coronary heart disease and its influence on oxidation modification of low density lipoprotein

Serum high-density and low-density lipoprotein cholesterol determined by ultracentrifugation and high-performance liquid chromatography

Autoantibodies against oxidized low density lipoprotein correlated with elderly patients with essential hypertension

The Levels of the Cholesterol, Triglyceride, Lipoprotein, Apolipoprotein in Young Depression Patients

The experimental study of oxidized low density lipoprotein as antigen processed by dendritic cells

The inhibitory effect of losartan on low density lipoprotein induced apoptosis of arterial endothelial cells in rats and its mechanisms

Identification of one novel mutation of the low density lipoprotein receptor gene in Chinese patients with familial hypercholesterolemia

Direct method for the measurement of high-density lipoprotein cholesterol and its application

Detection of serum lipid, lipoprotein, and apolipoprotein in gestational diabetes mellitus patients with different glucose control levels

Effects of oxidized low density lipoprotein and lysophosphatidylcholine on cholesterol efflux from mouse peritoneal macrophage foam cells

The synergistic effects of lipopolysaccharide, bacterial lipoprotein and bacterial DNA on mouse alveolar macrophage activation

Oxidized low-density lipoprotein immune complexes induce cholesteryl ester accumulation inhuman macrophages

Clinical significance of monitoring of the triglyceride-high-density lipoprotein axis in patients with coronary heart disease

The relationship between plasma lipoprotein lipase activity and clinical phenotypes among patients with premature coronary heart disease

Study of High Density Lipoprotein Binding Protein from Swine Adrenal Cortical Cell Membrane

Genetic Screening of the Lipoprotein Lipase Gene for Mutations in Chinese Subjects with or without Hypertriglyceridemia

Determination of low density lipoprotein subfraction particle size and its application

Clinical observation of unstable angina treated by puerarin injection and its effect on oxidized low-density lipoprotein

The Effects of Light Quantum Oxygen Transmission on Blood Serum Lipoprotein in Patients with Coronary Heart Disease

Overexpression of Lipoprotein Lipase Promotes Atherosclerosis in a Rabbit Model of Arterial Injury

The independent correlation between high-density lipoprotein cholesterol and subsequent major adverse coronary events

The Oxidative Property of Small Dense Low Density Lipoprotein and Its Effect on Lipid Peroxidation of Vascular Endothelial Cell

Influence of High Density Lipoprotein Cholesterol Reagent to Interfere Testing Serum Aspartate Aminotransferase

Effects of Exhaustive Exercise on Serum Lipoprotein Metabolism, Lipid Peroxidation Level and Plasma Endothelin Concentrations in Rats

The determination of serum homocysteine and non-high-density lipoprotein cholesterol in patient with coronary atherosclerotic disease

Serum oxidized low density lipoprotein level is an independent predictor of severity of coronary heart disease

Significance of small dense low-density lipoprotein-cholesterol concentrations in relation to the severity of coronary heart diseases

Reduced macrophage apoptosis is associated with accelerated atherosclerosis in low-density lipoprotein receptor-null mice

Analysis of low density lipoprotein subfraction particle size and its susceptibility

Clinical Significance and Determination of Blood Lipid, Lipoprotein and Apolipoprotein in Patients with Coronary Heart Disease

Synergistic pathopoiesis effects of lipopolysaccharide, bacterial lipoprotein and bacterial DNA in vivo

Preparation and Characterization of Polyclonal Antibodies Against Very Low Density Lipoprotein Receptor

Clinical evaluation of protecting reagent homogeneous assay for measuring low-density lipoprotein cholesterol

Establishment and Implication of an Assay for High Density Lipoprotein Phospholipids in Human Serum

Effects of hydroxyl radicals, low density lipoprotein and cholesterol on the calcium-responding behavior of vascular endothelial cells

Preparation and identification of monoclonal antibodies against oxidized low density lipoprotein

Fenofibrate Partly Prevents Oxidized-Low Density Lipoprotein Induced Immune Maturation of Human Monocyte-Derived Dendritic Cell

Single nucleotide polymorphisms of genes associated with high density lipoprotein metabolism in Chinese population

Clinical significance and correlated analysis of serum lipoprotein lipase in obesity-related hypertension patients

Comparative Study of Serum Lipids and Lipoprotein Spectrum in Patients with Stroke

The significance of plasma remnant lipoprotein cholesterol determination in different type of hyperlipidemia

Screening for low-density lipoprotein receptor gene mutations in familial hypercholesterolemia Chinese

Some insights into clinical detection and analysis of serum lipoprotein for studies on integrated traditional Chinese and western medicine

Determination of serum lipoprotein levels and its significance in the patients with kidney disease

Relationship between episode of family aggregation of cerebral infarction and low density lipoprotein-cholesterol

Detection of low density lipoprotein receptor related protein gene polymorphism and serum lipid levels in renal transplant recipients

Foam cells can be induced by oxidized low density lipoprotein in human monocyte- derived dendritic cells

Distribution characteristics of low density lipoprotein subfraction in patients with coronary heart disease

Relationship between oxidized low density lipoprotein and trace elements metabolism in patients with coronary heart disease

Function of PEGylated cholesterol esterase in the homogeneous assay of high density lipoprotein cholesterol

The relation between high-density-lipoprotein cholesterol and ischemic cerebrovascular disease: a clinical study

Experimental study on protective effect of Danshen for the cultured epithelial cells from injury by oxidized low density lipoprotein

The Effects of Gynostemmapentaphyllum on Experimental Hyperglycemia Rats'Plasma Lipoprotein Metabolism and Their Related Enzyme Activity

Identification of novel human high-density lipoprotein receptor Up-regulators using a cell-based high-throughput screening assay

The Correlation Analysis between Plasma Very Low Density Lipoprotein Concentration and Body Fat Content in Yellow Feather Dwarf Broiler

Study of non-high density lipoprotein cholesterol in coronary heart disease

Oxidized low density lipoprotein stimulated endothelial nitric oxide by activating lectin-like oxidized-LDL receptor

Relationship Between High Density Lipoprotein - cholesterin and Coronary Artery Disease

Changes of plasma nitric oxide, endothelin and oxidised low density lipoprotein levels at different stages of diabetic nephropathy

Linkage analysis between familial combined hyperlipidemia and lipoprotein lipase gene in Chinese families

The relation between Glycosylated low density lipoprotein and diabetes with carotid atherosclerosis

Effects of Losartan or Combined with Nifedipine on Plasma Oxidized-Modified Low density Lipoprotein in Essential Hypertension

Analyzing the Relationship between in Vivo Oxidized Low Density Lipoprotein and Low Density Lipoprotein Immune Complexes

The inhibiting effects of rapamycin on signal transudation in vascular smooth muscle cell induced by oxidized low density lipoprotein

Quantifying Effect of Statins on Low Density Lipoprotein Cholesterol, Ischaemic Heart Disease, and Stroke: Systematic Review

Assessment of the application of non-high-density lipoprotein cholesterol in coronary artery disease

Study of Effects of Body Building Exercises on Blood Serum Lipoprotein and Level of Carrying Lipoprotein of Agendas

Effect of Enhancing Qi and Activating Blood Circulation Herbs on Plasma Lipoprotein Levels of Experimental Atherosclerosis Model

Clinical evaluation of an immunoseparation assay for plasma remnant lipoprotein cholesterol

Application of Compartment Models in Dynamics for the Metabolism of Lipoprotein in the Human Plasma

Reference Values of Serum non-High Density Lipoprotein Cholesterol of Beijing Institutional Populations

Lipoprotein Lipase and Its Application Prospects in Animal Husbandry

Veterans Affairs High-density lipoprotein cholesterol Intervention Trial

Relationship between oxidized low density lipoprotein and cytokines in patients with acute coronary syndrome

Relationship between Glycosylated Low Density Lipoprotein and Coronary Artery Disease

The determination and clinical significance of low-density lipoprotein circulating immune complex

Oxidized low density lipoprotein induces the expression of macrophage migration inhibitory factor

Effects of total cholesterol, triglyceride and low density lipoprotein cholesterol on detection results of lipase

Measurement of low density lipoprotein particle size and its significance

Circulating Human Lipoprotein Lipase mRNA in Patients with Coronary Atherosclerotic Disease

Effect of low density lipoprotein and oxidized low density lipoprotein on the synthesis of adrenomedullin in cultured endothelial cells

The clinical significance of blood lipid and lipoprotein determination in patients with cancer of the liver

High and middle doses also significantly reduced triglyceride levels in rats, increased levels of high density lipoprotein(HDL-L);

Atomistic Simulation Studies of Cholesteryl Oleates: Model for the Core of Lipoprotein Particles

The influence of chlorderazin on the change of L-arginine transport in human erythrocytes induced by oxidized low density lipoprotein

Effects of exhaustive exercise on serum lipoprotein metabolism and plasma endothelin concentrations in rats

A numerical study on low density lipoprotein transport in arterial stenoses: LDL concentration polarization

The Research of Apoptotic Celiac Macrophages of the Mouse Induced by Oxidized Very Low Density Lipoprotein

Comparisons on total protein and high-density lipoprotein level in hemolymph of Eriocheir sinensis before and after precocity

Observation of Plasma Concentrations of NOS and NO in Patients With Low High-Density Lipoprotein Cholesterol

Determination of Cholesterol in Lipoprotein Fractions by Agarose Gel Electrophoresis

Lipoprotein Lipase Mutation Predisposes Carriers to Severe Dyslipidemia

Studies on the mechanism of the interaction between type I collagen and oxidative low density lipoprotein

Relationship of APOE gene polymorphism with subclasses of serum high density lipoprotein in hyperlipidemia

The correlation between negative mood and serum oxidized low density lipoprotein in patients with coronary heart disease

Effects of Oxidized Low-density Lipoprotein on Endothelium-dependent Relaxation in Carotid and Basilar Artery of Rabbits

Characteristics of low density lipoprotein subfraction of newly diagnosed type 2 diabetes and their relationships with chronic complications

Measure of lipid and lipoprotein of patients with acute organophosphorus pesticide intoxication

The Change of Serum Lipoprotein and Fibrinogen in Patients with Different Degree of Coronary Artery Stricture

Oxidized low density lipoprotein facilitates the formation of atherosclerosis

Electrophoresis and the traditional method for the measurement of lipoprotein cholesterol in serum

The relationship of low density lipoprotein receptor gene polymorphism and hyperlipidemia

The relationship between lipoprotein lipase gene polymorphism and children simple obesity

Association between Coronary Heart Disease and High Density Lipoprotein Cholesterol

Research Progress of Intervention of Chinese Materia Medica on Oxidation Modified Low Density Lipoprotein

Expression of Estrogen Receptor and Low-density Lipoprotein Receptor in Tissues of Atherosclerotic Rabbit

Variation of Low Density Lipoprotein Acceptor and Hypercholesterolemia

Significance of blood serum cholesterol and high density lipoprotein detection in patients with stomach carcinoma: a report of 85 cases

Preparation of a New Adsorbent for Binding Low Density Lipoprotein

Diagnosis value of high density lipoprotein phospholipids on coronary heart disease of kidney-Yang deficiency syndrome

Detection of Serum Lipoprotein Electrophoretogram

Injury effects of oxidized low density lipoprotein on proliferation of vascular endothelium and smooth muscle cell

Analysis on serum lipoprotein blood-fat and carcinoembryonic antigen in patients with carcinoma of large intestine

Clinical Significance of Measuring of Serum Oxidized-low Density Lipoprotein in Patients of Coronary Heart Disease

Low density lipoprotein receptor Taq I gene polymorphism detection and serum lipid levels in hemodialysis patients

Effects of heparan sulfate on experimental atherogenesis of rabbits and lipoprotein metabolism

A study on relationship between molecular size of low density lipoprotein and atherosclerosis in rabbits

The effects of plasma low high-density lipoprotein cholesterol on platelet cytosolic free calcium and release reaction

Relationship between total serum and oxidized low density lipoprotein in patients with coronary heart disease

Effects of Oxidized-Low Density Lipoprotein on the Immune Function of Monocyte-Derived Dendritic Cells

Possible role of bilirubin against oxidization of low-density lipoprotein and experimental evidence

Differential expression of genes in endothelial cells induced by mildly modified low density lipoprotein

Oxidative modification of high density lipoprotein induced by cultured human arterial smooth muscle cell

Measurement of Plasma High-Density lipoprotein in ischemic cerebrovascular disease

The predictive value of various lipid lipoprotein and bilirubin combinations for prediction of coronary heart disease

Protective Effect of Taurine Against Damages of the Endothelium Induced by Low- density Lipoprotein in Rats

Expression of low density lipoprotein receptor-related protein in renal interstitial fibrosis

Effect of Oxidized Low Density Lipoprotein on the Expression and Activity of Matrix Metalloproteinases in Human Monocytes

Oxidized lipoprotein( a ) enhanced the expression of P-selectin in cultured human umbilical vein endothelial

Difference of Lipoprotein Binding and Internalization between Two Isoforms of Very Low Density Lipoprotein Receptor

Impact of High-Density Lipoprotein on the Apoptosis of Endothelial Cells Induced by Oxidized Low-Density Lipoprotein

Analyzing of Low Density Lipoprotein Subfraction Particle Size in Patients with Coronary Artery Disease

Protective effect of magnesium on the damaged cultured endothelial cells induced by oxidized low density lipoprotein

Analysis of Gene Mutation in the Low Density Lipoprotein Receptor Genes of one Familial Hypercholesterolemia Genealogy

A study on the relationship between plasma lipoprotein and non-traumatic necrosis of the femoral head

Alterations in lipoprotein defense against oxidative stress in metabolic syndrome

A Study on Relation Between Various lipid lipoprotein and Bilirubin Combinations and Coronary Heart Disease

Interaction of plasma oxidized low density lipoprotein with nitric oxide in pathogenesis of ischemic stroke

Classification of Desirable and Atherosclerotic Risk Level of Serum Triglyceride and High Density Lipoprotein Cholesterol

Effect of Proliferation of Vascular Smooth Muscle Cells Induced by Oxidized Low Density Lipoprotein of Different Degrees

Comparison of diagnostic values of four kind of serum lipids lipoprotein ratio for coronary heart disease

Relationship between Changes of Lipid and Lipoprotein Levels and Renal Lesion in Hypertensive Patients

Effect of Low Density Lipoprotein On phenotype Change of the Cultured Glomerular Mesangial Cells in Vitro

Effect of testosterone and oxidized low density lipoprotein on the synthesis of adrenomedullin in endothelial cells

Changes of serum lipoprotein and apoprotein in patients suffering from primary nephritic syndrome

Clinical significance and assay of small, dense low-density lipoprotein in patients with coronary heart disease

The Difference between Serum non-High Density Lipoprotein Level in Elderly Patients with Coronary Heart Disease

A novel mutation in the low density lipoprotein receptor genes of familial hypercholesterolemia patient

Study on Serum Oxidized Low Density Lipoprotein and Anti-oxidized Competence in Patient with Coronary Heart Disease

The probe on the changes and correlates of oxidized low density lipoprotein with cytokines in congestive heart failure

Expression and significance of oxidized low density lipoprotein and nitric oxide synthase in tunica intima of human aorta

Polymorphism of Lipoprotein Lipase Gene and Coronary Atherosclerosis

Common genetic variants of lipoprotein lipase in Chinese combined hyperlipidemia

The oxidative modification of high density lipoprotein and atherosclerosis

Homogeneous assay for measuring serum high-density lipoprotein cholesterol

Effects of losartan on plasma oxidize-modified low density lipoprotein in patients with coronary heart disease

Effects of oxidized low density lipoprotein on proliferation phases of cultured human mesangial cells

Effect of low density lipoprotein and oxidized low density lipoprotein on the secretion of endothelin in endothelial cells

Cytomegalovirus infection up-regulates expression of lectin-like oxidized low-density lipoprotein receptor-1 mRNA in human endothelial cells

Correlations between serum bilirubin, oxidatively modified low density lipoprotein and coronary artery lesion

Prediction of Human Serum Low Density Lipoprotein Cholesterol with Artificial Neural Network

Polymorphism of Lipoprotein Lipase in Han patients with diabetic coronary heart disease in Zhengzhou

Determination of Lipoprotein Lipase and Hepatic Lipase in Children with Nephrotic Syndrome

The Clinical Significant of Variation of Lipid and Lipoprotein in Patients with Hepatocirrhosis

Effects of divergent selection by plasma very low density lipoprotein concentration in broilers

Relationship between a novel polymorphism of lipoprotein lipase gene and coronary heart disease

Construction and Expression of Recombinant Wild Lipoprotein Lipase Gene Plasmid

Histological Observation of Protective Effect of High Density Lipoprotein on Hepatic Tissue of Rats with Severe Burns