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Molecular studies of liver aldolase B in hereditary fructose intolerance using blotting and immunological techniques

Molecular studies of liver aldolase B in hereditary fructose intolerance using blotting and... Summary Hereditary fructose intolerance is due to a deficiency of liver aldolase (aldolase B). Little is known about its molecular mechanisms. We have tried to demonstrate the presence of the molecule and have explored the possibility of genetic heterogeneity. Investigations included: Liver samples from fifteen cases of hereditary fructose intolerance due to aldolase B deficiency were studied by various electrophoretic techniques. After electrophoresis on polyacrylamide gels, proteins were electrophoretically transferred on to nitrocellulose filters. They were treated with specific antialdolase B antibodies, and then with radioiodinated protein A, followed by autoradiography. (a) sodium dodecyl sulphate electrophoresis, in order to detect the presence of immunologically (b) attempts to discover charge anomalies of the native molecule and of its subunits, by the Isoelectric focusing of the native enzyme. Isoelectric focusing and non‐equilibrium pH gradient electrophoresis (NEPHGE) after The major results were the following: (1) In all cases a cross‐reacting material was found, with a molecular subunit size of 38000, indistinguishablc from that of controls. (2) Evidence for molecular heterogeneity of the disease was provided by two types of data: amount of apparent immunologically reactive protein, which varied from less than 3 % to 100 % of that of controls; and charge data, aldolase B from seven patients showing an increased negative charge and from one patient a normal charge. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Annals of Human Genetics Wiley

Molecular studies of liver aldolase B in hereditary fructose intolerance using blotting and immunological techniques

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References (29)

Publisher
Wiley
Copyright
Copyright © 1982 Wiley Subscription Services, Inc., A Wiley Company
ISSN
0003-4800
eISSN
1469-1809
DOI
10.1111/j.1469-1809.1982.tb01579.x
Publisher site
See Article on Publisher Site

Abstract

Summary Hereditary fructose intolerance is due to a deficiency of liver aldolase (aldolase B). Little is known about its molecular mechanisms. We have tried to demonstrate the presence of the molecule and have explored the possibility of genetic heterogeneity. Investigations included: Liver samples from fifteen cases of hereditary fructose intolerance due to aldolase B deficiency were studied by various electrophoretic techniques. After electrophoresis on polyacrylamide gels, proteins were electrophoretically transferred on to nitrocellulose filters. They were treated with specific antialdolase B antibodies, and then with radioiodinated protein A, followed by autoradiography. (a) sodium dodecyl sulphate electrophoresis, in order to detect the presence of immunologically (b) attempts to discover charge anomalies of the native molecule and of its subunits, by the Isoelectric focusing of the native enzyme. Isoelectric focusing and non‐equilibrium pH gradient electrophoresis (NEPHGE) after The major results were the following: (1) In all cases a cross‐reacting material was found, with a molecular subunit size of 38000, indistinguishablc from that of controls. (2) Evidence for molecular heterogeneity of the disease was provided by two types of data: amount of apparent immunologically reactive protein, which varied from less than 3 % to 100 % of that of controls; and charge data, aldolase B from seven patients showing an increased negative charge and from one patient a normal charge.

Journal

Annals of Human Genetics – Wiley

Published: Oct 1, 1982

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