NS 115 - Lecture 27

NS 115 - Lecture 27 - Lecture 27 Malnutrition and Cancer...

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November 7, 2008 Lack of Dietary Protein o Kwashiorkor Caused by lack of protein Children get more than sufficient calories but no protein Consumption of low-protein suffiecient calories Characterized by Retarded growth o A child who looks 5 can really be 15 High rate of infections o Most children die of infection not malnutrition Very low serum protein Edema “pot belly” o due to fatty liver retarded motor and cognitive development Fatty Liver The liver gets fats out by use of lipoproteins Without proteins they can not be transported out of the liver Reduced VLDL (Protein) Reduced blood albumin (protein) o Fatty acids are carried in blood bound to albumin Edema Is caused by low VLDL or low albumin What happens is when the heart pushes the blood throught the arteries because of the increased pressure the water that is in the blood stream gets pushed out into the tissue. o The osmotic pressure in the blood is going to be responsible for bringing the water back into the blood stream o If you don’t have protein in the blood then the osmotic pressure in the blood is reduced and the water won’t be forced back into the blood o The water stays in the tissue Normal blood pressure = osmotic effect Mental Retardation Long-term reduction in brain size Malnourished children display retarded psychomotor and mental development Human data confounded
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This note was uploaded on 02/22/2010 for the course NS 1150 taught by Professor Levitsky during the Fall '05 term at Cornell.

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NS 115 - Lecture 27 - Lecture 27 Malnutrition and Cancer...

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