Abstract：
:In a previous study the authors demonstrated monotypic foci, all of timidus type, in the atherosclerotic lesions and normal aortic tissue of glucose-6-phosphate dehydrogenase (G-6-PD) mosaic hares fed 25-hydroxycholesterol or triol in addition to a high-cholesterol diet. Other hares fed the high-cholesterol diet without the cholesterol oxidation product additives did not develop monotypic foci. In the current study the question asked was whether ditypic samples from lesions or aortic mediae of the same hares fed the additives would show a higher percentage of timidus type G-6-PD than the hares fed the cholesterol alone. The results showed a significantly higher percentage of timidus type in both lesions and mediae in the groups fed either 25-hydroxycholesterol or triol than in the group fed cholesterol alone. The observations suggest that the change from ditypism to monotypism reported earlier with these cholesterol oxidation products was the result of progressive elimination of the europaeus type to leave only the timidus G-6-PD. This is consistent with the "selective advantage of one phenotype over the other" hypothesis for explaining the observed monotypism as opposed to the "genetic transformation" hypothesis.
journal_name
Exp Mol Patholjournal_title
Experimental and molecular pathologyauthors
Lee KT,Janakidevi K,Kroms M,Schmee J,Thomas WAdoi
10.1016/0014-4800(85)90019-xsubject
Has Abstractpub_date
1985-02-01 00:00:00pages
71-7issue
1eissn
0014-4800issn
1096-0945pii
0014-4800(85)90019-Xjournal_volume
42pub_type
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