Fructose Intolerance Fructose Fructose-1-P DHAP + Glyceraldehyde ATP ADP Glycogen Glucose-6-P Lack of Pi Allosteric Inhibition by F-1-P F-1,6-BP DHAP G-3-P.

Slides:



Advertisements
Similar presentations
DR AMINA TARIQ BIOCHEMISTRY
Advertisements

Introduction of Glucose Metabolism
Describe the major steps of glycolysis
BIOC/DENT/PHCY 230 LECTURE 2. Lactate dehydrogenase pyruvate + NADHlactate + NAD + M and H subunits: 5 isozymes M subunit has a lower affinity for pyruvate.
Glycolysis and Gluconeogenesis Alice Skoumalová.
Pathways for Pyruvate The pyruvate produced from glucose during glycolysis can be further metabolized in three possible ways For aerobic organisms, when.
Gluconeogenesis.
BIOC DR. TISCHLER LECTURE 31 GLYCOGEN METABOLISM: PATHWAYS/ALLOSTERIC CONTROL.
Overview of catabolic pathways
Glycogen Metabolism 23.8 Gluconeogenesis: Glucose Synthesis Chapter 23 Metabolic Pathways for Carbohydrates.
Integration & Hormone Regulation Integration Branchpoints in metabolism where metabolites can go several directions 1. Glucose 6-phosphate Energy needed.
Chapter Outline 15.1 Metabolic Pathways, Energy, and Coupled Reactions
10 reactions – convert glucose (6C) to 2 pyruvate (3C) – produces: 4 ATP & 2 NADH – consumes: 2 ATP – net: 2 ATP & 2 NADH Overview DHAP = dihydroxyacetone.
GlycolysisGluconeogenesis. Glycolysis - Overview One of best characterized pathways Characterized in the first half of 20th century Glucose --> 2 pyruvates.
CARBOHYDRATE METABOLISM BY DR. GAMAL GABR Dr. Gamal Gabr, College of Pharmacy.
Fig 10.5 Overview of catabolic pathways Prentice Hall c2002 Chapter 11.
Enzyme Nomanclature.
UNIT II: Intermediary Metabolism
Fructose Metabolism Fructose can enter glycolysis and gluconeogenesis. Glucose is a main metabolic fuel in most organisms. Other sugars convert to glycolytic.
Gluconeogenesis / TCA 11/12/2009 Gluconeogenesis Gluconeogenesis is the process whereby precursors such as lactate, pyruvate, glycerol, and amino acids.
Anaerobic Respiration and Fermentation
Glucose Catabolism Respiratory Chain
GLYCOLYSIS Glucose ATP Hexokinase ADP Glucose 6-phosphate
Copyright © 2006 by Elsevier, Inc. Adenosine triphosphate (ATP) - the central link between energy-producing and energy-using systems of the body Figure.
Carbohydrate metabolism. CHO supply Diet Endogenous reserves –Liver –Muscle –Blood Limited Anaerobic glycolysis –Anaerobic Does not need oxygen Occurs.
Announcements Reading for today on glycolysis: pp Homework due today: Problems 8-5, 8-7 –In both problems, use the favorable free energy change.
Glycolysis Overview of cellular respiration 4 metabolic stages –Anaerobic respiration 1. Glycolysis –respiration without O 2 –in cytosol –Aerobic respiration.
Re cap 5 minutes - write a summary (can use diagrams) of what you can recall from last weeks lesson.
Regulation of Glycoysis. Pyruvate can go in three major directions after glycolysis Under aerobic conditions pyruvate is oxidized to Acetyl-CoA which.
Bioenergetics and Glycolysis Getting the E out of C.
CHAPTER 17 Gluconeogenesis.
Human Physiology Cell Respiration and Metabolism Chapter 2.
UNIT 7& 8: CARBOHYDRATE METABOLISM CHY2026: General Biochemistry.
After Digestion And Absorption
GLYCOLYSIS.
GLYCOLYSIS II & PYRUVATE OXIDATION. Last class... Intro to cellular respiration C 6 H 12 O 6 + 6O 2  6CO 2 + 6H 2 O + 36 ATP * A series of oxidizing.
Metabolism Collection of biochemical rxns within a cell Metabolic pathways –Sequence of rxns –Each step catalyzed by a different enzyme Enzymes of a pathway.
1 1 11/3/2015 Cellular Respiration Filename: Respire.ppt.
Exam III Review 11/19/2009 Exam 3 Review Chapters: 12Enzyme Kinetic Mechanisms 8Carbohydrates 14Metabolism 15Glucose Metabolism 16Glycogen Metabolism.
The sweet side of catabolism: carbohydrates as cellular fuels Russian National Research Medical University Maxim A. Abakumov Moscow, 2014.
21-1 Principles and Applications of Inorganic, Organic, and BiologicalChemistry Denniston, Topping, and Caret 4 th ed Chapter 21 Copyright © The McGraw-Hill.
Carbohydrates Metabolism
Carbohydrate Metabolism. I. Introduction: A.More than 60% of our foods are carbohydrates. Starch, glycogen, sucrose, lactose and cellulose are the chief.
Introduction & Biomedical importance
Glycolysis Eric Niederhoffer SIU-SOM Glucose Pyruvate Lactate 10 steps No O 2 Energy (ATP) and metabolites 3 regulated steps.
Announcements Homework due now Survey VF passed! DNA from Portugal, Dr. Jorge here Exam II was handed out ( ed too)
 Macromolecules – carbohydrate, fatty acid, amino acid, nucleic acid  Bioenergetics, gluconeogenesis – glycolysis and the TCA cycle  Oxidative phosphorylation,
Element 5; Lecture 4 Carbohydrate Metabolism Glycolysis Ms. K. Rohini Lecturer - FoM.
Fate of Pyruvate & Citric Acid Cycle
AP Biology Cellular Respiration Stage 1: Glycolysis.
CELLULAR RESPIRATION Definition
Glucose Metabolism (Gluconeogenesis)
L2 Glycolysis.
Metabolism 1: Catabolism
Metabolism: Glycolysis
Under anaerobic conditions, the NADH cannot be reoxidized through the respiratory chain to oxygen. Pyruvate is reduced by the NADH to lactate,catalyzed.
Overview of Cellular Respiration
Unit 2: Metabolic Processes Glycolysis and Pyruvate Oxidation
Glycolysis.
Beyond Glycolysis Page
Click the mouse for the next step.
Control of and Variations in Cellular Respiration

Cellular Respiration by Shelley Penrod and RM Chute
Cellular Respiration by Shelley Penrod and RM Chute
Cellular Respiration by Shelley Penrod and RM Chute
Glycolysis.
Glycolysis & Kreb’s Cycle
Glycolysis.
Presentation transcript:

Fructose Intolerance Fructose Fructose-1-P DHAP + Glyceraldehyde ATP ADP Glycogen Glucose-6-P Lack of Pi Allosteric Inhibition by F-1-P F-1,6-BP DHAP G-3-P Glucose Pyruvate 1 o Deficiency: F-1-P Aldolase Effects: F-1-P Pi Glycogenolysis Gluconeogenesis Blood Glucose Reducing sugar ( ) in urine Treatment: Limit Fructose/Sucrose

Myocardial Infarction Glucose Pyruvate Acetyl CoA NADH FADH 2 TCA CYCLE CO 2 GLYCOLYSIS O2O2 ADP + Pi ETS ATP H 2 O NADH NAD Lactate Lactate Dehydrogenase (LDH) 1 o Problem- Lack of O 2 Block of aerobic metabolism (ETS) Induction of anaerobic metabolism (Glycolysis) Effects: ATP Creatine Phosphate Glycogen LDH Lactate/Pyruvate NADH/NAD Glycogen

Alcohol Abuse EthanolAcetaldehydeAcetate NAD NADH NADH/NAD Effects: NAD requiring reactions/ NADH forming reactions Lactate/Pyruvate Gluconeogenesis Fatty Acid Oxidation Glycerol-3-P Blood Glucose NAD to NADH Reactions: G-3-P to 1,3 BPG (Glycolysis) Lactate to Pyruvate (Glycolysis) Glycerol-3-P to DHAP (Branch of Glycolysis) Many others

Glycogen Storage Disease (Type 1) Von Gierke’s Disease Glycogen Glucose-6-P Glucose Pi Glucose-6-P Phosphatase Effects: Glycogen Blood Glucose Free fatty acids Triglycerides Cholesterol Uric Acid Lactate Low Glucose: Glucagon Phosphorylase Activity Glycogen to Glucose-6-P

Glucose-6-P Dehydrogenase Glucose-6-P 6-P-GluconateRibulose-5-P NADP NADPH NADP NADPH Effects: NADPH levels Reducing Power GSH/GS-SG Free radical/Peroxides Hemoglogin Hemolytic Anemia Lens NADPH/NADP Glucose-6-P Dehydrogenase CO 2 6-Phosphogluconate DH