Glucose-6 Phosphate Dehydrogenase and TPI Deficiencies 2 H+ Glucose-6-P GSH + GSH Reduced glutathione NADP+ Glucose-6-phosphate dehydrogenase H₂O₂ Hydrogen peroxide 0₂- Superoxide radical NADPH + H+ 6-Phosphogluconolactone GSSG Glutathione Oxidized reductase Glutathione peroxidase Aerobic respiration, drugs, fava beans glutathione 2 H₂O Detoxification ……………………… 0₂ SOD: superoxide dismutase GPx: glutathione peroxidase HK: hexokinase GSSG and GSH: glutathione, oxidized and reduced forms, respectively. CAT: catalase The diagram above gives important details about the HMP shunt. Superoxides/free radicals dis- rupt membrane lipids, causing changes in membrane permeability. The HMP shunt is expressed in liver cells, red blood cells, and in lipid-producing tissues. 1. Discuss how glycolysis is affected in G6PD patients, using the diagrams to explain your response. 2. How does this effect differ from TPI patients? 3. Why are red blood cells, but not the nervous system, affected in G6PD patients?

Biochemistry
9th Edition
ISBN:9781319114671
Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Chapter1: Biochemistry: An Evolving Science
Section: Chapter Questions
Problem 1P
icon
Related questions
Question
HANDOUT C
Glucose-6 Phosphate
Dehydrogenase and TPI Deficiencies
Glucose-6-P
GSH + GSH
Reduced
glutathione
2 H+
NADP+
H₂O₂
Hydrogen
peroxide
Glucose-6-phosphate
dehydrogenase
Superoxide
radical
NADPH + H+
6-Phosphogluconolactone
GSSG
Glutathione Oxidized
reductase
Glutathione
peroxidase
Aerobic respiration,
drugs, fava beans
glutathione
2 H₂O Detoxification
SOD: superoxide dismutase
GPx: glutathione peroxidase
HK: hexokinase
GSSG and GSH: glutathione, oxidized and reduced forms,
respectively
CAT: catalase
The diagram above gives important details about the HMP shunt. Superoxides/free radicals dis-
rupt membrane lipids, causing changes in membrane permeability. The HMP shunt is expressed
in liver cells, red blood cells, and in lipid-producing tissues.
1. Discuss how glycolysis is affected in G6PD patients, using the diagrams to explain your
response.
2. How does this effect differ from TPI patients?
3. Why are red blood cells, but not the nervous system, affected in G6PD patients?
Transcribed Image Text:HANDOUT C Glucose-6 Phosphate Dehydrogenase and TPI Deficiencies Glucose-6-P GSH + GSH Reduced glutathione 2 H+ NADP+ H₂O₂ Hydrogen peroxide Glucose-6-phosphate dehydrogenase Superoxide radical NADPH + H+ 6-Phosphogluconolactone GSSG Glutathione Oxidized reductase Glutathione peroxidase Aerobic respiration, drugs, fava beans glutathione 2 H₂O Detoxification SOD: superoxide dismutase GPx: glutathione peroxidase HK: hexokinase GSSG and GSH: glutathione, oxidized and reduced forms, respectively CAT: catalase The diagram above gives important details about the HMP shunt. Superoxides/free radicals dis- rupt membrane lipids, causing changes in membrane permeability. The HMP shunt is expressed in liver cells, red blood cells, and in lipid-producing tissues. 1. Discuss how glycolysis is affected in G6PD patients, using the diagrams to explain your response. 2. How does this effect differ from TPI patients? 3. Why are red blood cells, but not the nervous system, affected in G6PD patients?
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 3 steps with 1 images

Blurred answer
Recommended textbooks for you
Biochemistry
Biochemistry
Biochemistry
ISBN:
9781319114671
Author:
Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Publisher:
W. H. Freeman
Lehninger Principles of Biochemistry
Lehninger Principles of Biochemistry
Biochemistry
ISBN:
9781464126116
Author:
David L. Nelson, Michael M. Cox
Publisher:
W. H. Freeman
Fundamentals of Biochemistry: Life at the Molecul…
Fundamentals of Biochemistry: Life at the Molecul…
Biochemistry
ISBN:
9781118918401
Author:
Donald Voet, Judith G. Voet, Charlotte W. Pratt
Publisher:
WILEY
Biochemistry
Biochemistry
Biochemistry
ISBN:
9781305961135
Author:
Mary K. Campbell, Shawn O. Farrell, Owen M. McDougal
Publisher:
Cengage Learning
Biochemistry
Biochemistry
Biochemistry
ISBN:
9781305577206
Author:
Reginald H. Garrett, Charles M. Grisham
Publisher:
Cengage Learning
Fundamentals of General, Organic, and Biological …
Fundamentals of General, Organic, and Biological …
Biochemistry
ISBN:
9780134015187
Author:
John E. McMurry, David S. Ballantine, Carl A. Hoeger, Virginia E. Peterson
Publisher:
PEARSON