Familial Hypercholesterolemia – Genetic disease from a mutation of the LDL receptor (doesn’t remove LDL from circulation)

Slides:



Advertisements
Similar presentations
Chapter 34 Neuroinflammation
Advertisements

MEMBRANE LIPIDS I and II:
Awatif B. Al-Backer. Inflammation Definition: It is a protective response against injury which can be chemicals, mechanical, infectious, or immunological.
Eicosanoid Synthesis Molecular Biochemistry II
SYNTHESIS OF AN ARACHIDONIC ACID ANALOG. Arachidonic Acid Cascade The biological actions of arachidonic acid have essentially been attributed to the conversion.
Prostaglandins and Related Compounds 1Dr. Nikhat Siddiqi.
BIOC 460 DR. TISCHLER LECTURE 34 SYNTHESIS & PROCESSING OF FATS.
Hormones & Chemical Signaling. Lecture Outline Communication Basics –Communication Overview –Communication Methods –Signal pathways Types Regulation (modulation)
Chapter 16 (Part 4) Synthesis of Eicosanoids, Glycerolipids and Isoprenoids.
Lipid Metabolism 3: Cholesterol biosynthesis, lipoprotein metabolism, steroid and eicosanoid synthesis Bioc 460 Spring Lecture 37 (Miesfeld) Steroids.
Metabolic Pathways Most of the ATP that is generated in the body is produced through the process of oxidative phosphorylation. This process is dependent.
Eicosanoid Metabolism Medical Biochemistry Lecture #50.
LIPID ANABOLISM. fig 21-1 acetyl-CoA carboxylase.
BIOCHEMISTRY LECTURES. Space-filling models of (A) palmitate (C16, saturated) and (B) oleate (C18, unsaturated). The cis double bond in oleate produces.
Carbohydrates of Physiologic Significance CARBOHYDRATES ARE ALDEHYDE OR KETONE DERIVATIVES OF POLYHYDRIC ALCOHOLS (1) Monosaccharides are those carbohydrates.
Steroid Hormones Cholesterol Starting material.
1 Esterification Alcohols and carboxylic acids react to form esters in a reaction known as esterification. The reverse reaction is hydrolysis. Hydrolysis.
Lipids Function of Lipids
Energy economy of the cells
Metabolism of Unsaturated Fatty Acids & Eicosanoids
Chemical Mediators of Inflammation
Chemistry 2100 Chapter 21. Lipids Fatty Acids oleic acid (mp 4°C) stearic acid (mp 70°C)
EICOSANOIDS (prostaglandins, thromboxanes, leukotrienes)
Fatty Acids - Fatty acids  R-COOH (R is a long hydrocarbon chain) are the major components of triacylglycerols, glycerophospholipids, and sphingolipids.
Hemostasis Constriction of vessel Aggregation of platelets
ELONGATION, DESATURATION of FATTY ACIDS
NSAIDS – Aspirin, Ibuprofen, Celebrex and Beyond.
10.3 Lipids as Signals, Cofactors, and Pigments. Biologically active lipids Active roles of lipids in metabolic traffic 1. Hormones or intracellular messengers.
Prostaglandin, Leukotriene, and Thromboxane Synthesis Eric Niederhoffer SIU-SOM Linoleic acid Thromboxane A 2 synthase Lipoxygenase Arachidonic acid Prostaglandin.
Some naturally occurring fatty acids in animals
Biological Lipids and Bilayers Lipids are nearly insoluble in Water –Form Biological membranes –Regulate solute flow and signalling –Provide concentrated.
Functional Analysis of the Neurofibromatosis Type 2 Protein by Means of Disease- Causing Point Mutations Renee P. Stokowski, David R. Cox The American.
Chapter 28, Stryer Short Course
BIOCHEMISTRY LECTURES. Figure Stages in the extraction of energy from foodstuffs.
Prostaglandin, Leukotriene, and Thromboxane Synthesis Eric Niederhoffer SIU-SOM Pathway overview Prostaglandin receptors Pathway details Differential actions.
If fatty acid synthesis occurs in the cytosol, where does the acetyl-CoA come from? Acetyl-CoA (not from fatty acid oxidation) is generated in the mitochondria.
Autacoids ผศ. พญ. มาลียา มโนรถ. Autacoids n Autos = self n Akos = medicinal agent [are circulating or locally acting hormone- like substances which originate.
Synthesis of Eicosanoids, Glycerolipids and Isoprenoids
Prostaglandins& Related Compounds. Objectives Origin of ecosanoids Ecosanoids role Overview of the structure Role of phospholipase A2 Cyclooxgenase isoenzymes.
Prostaglandins & Related compounds. EICOSANOIDS Compounds that originate from polyunstaurated fatty acids with 20 carbons Prostaglandins (PG) Prostaglandins.
PRINCIPLES OF BIOCHEMISTRY
Metabolism of dietary lipids Biochemistry Department.
Prostaglandins& Related Compounds. Objectives Origin of ecosanoids Ecosanoids role Overview of the structure Role of phospholipase A2 Cyclooxgenase isoenzymes.
Cytochrome P 450 Biochemistry Department. Cytochrome P 450 Unique family of heme proteins present in bacteria, fungi, insects, plants, fish, mammals and.
Date of download: 7/9/2016 From: Proprotein Convertase Subtilisin/Kexin Type 9 Monoclonal Antibodies for Acute Coronary Syndrome: A Narrative Review Ann.
Eicosanoids. Deficiency symptoms in the absence of essential fatty acids from the diet: Nonlipid diet plus vitamins A and D Rat ––––––––––––––––––––––––––––––––
Eicosanoids.
A. Mechanism of action of aspirin
Prostaglandins and Related Compounds
Inflammation lecture 4 Dr Heyam Awad FRCPath.
Prostaglandin, Leukotriene, and Thromboxane Synthesis
FATTY ACID BIOSYNTHESIS
Eicosanoid Synthesis Molecular Biochemistry II
Prostaglandins By Dr. Mirza Shahed Baig.
BIOCHEMISTRY LECTURES
Katharine M. Woessner, MD, FAAAAI, Andrew A. White, MD, FAAAAI 
LIPID BIOSYNTHESIS.
Arachidonate Metabolism
Platelets in Atherothrombosis
Prostaglandins and leucotreines
Pharmacologic inhibition of nitric oxide synthases and cyclooxygenases enhances intimal hyperplasia in balloon-injured rat carotid arteries  Jens W Fischer,
Lipoxins: Pro-resolution lipid mediators in intestinal inflammation
Volume 5, Issue 2, Pages (March 2012)
Volume 141, Issue 2, Pages e89S-e119S (February 2012)
Volume 81, Issue 12, Pages (June 2012)
Volume 71, Issue 11, Pages (June 2007)
Resolving Lipids: Lipoxins Regulate Reverse Cholesterol Transport
The “Aspirin” of the New Millennium: Cyclooxygenase-2 Inhibitors
Volume 141, Issue 2, Pages e89S-e119S (February 2012)
Presentation transcript:

Familial Hypercholesterolemia – Genetic disease from a mutation of the LDL receptor (doesn’t remove LDL from circulation)

ATP used to Initiate β-oxidation

Page 746

NADPH

Cascade for Biosynthesis of Eicosanoids 2

Biosynthesis of Eicosanoids Mammals (unsaturation anabolism) C9 Plants (unsaturation anabolism) Arachadonic Acid (ω-6) Cleaved from phospholipids via a phospholipase Cyclooxygenases Prostaglandins (thromboxanes) Leukotrienes 3

COX catalyzed reaction 4

COX Inhibitors 5

COX Inhibitors 5

Aspirin – Mode of Action 6