Effect of KCD-232, a new hypolipidemic agent,on serum lipoprotein changes in hepatoma-bearing rats |
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Authors: | T Irikura K Takagi K Okada K Yagasaki |
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Affiliation: | (1) Kyorin Central Research Laboratories, Nogi-Machi, 329-01 Tochigi, Japan |
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Abstract: | Changes in serum lipoprotein profiles were characterized in Donryu rats subcutaneously implanted with an ascites hepatoma
line of AH109A cells and the effect of a new hypolipidemic agent with a structure of 4-(4′-chlorobenzyloxy)benzyl nicotinate
(KCD-232) was estimated. With the growth of hepatoma for periods of up to three weeks, a striking decrease in the high density
lipoprotein (HDL) fraction and an enormous increase in the VLDL+LDL (very low density lipoprotein+low density lipoprotein)
fraction were found in hepatoma-bearing rats when either precipitation method or electrophoresis was used. These lipoprotein
profiles were not influenced by sex. Judging from the electrophoretogram, the increase in VLDL+LDL fraction was due mainly
to an increase in LDL fraction. The oral administration of KCD-232 significantly suppressed the hepatoma-induced increase
in VLDL+LDL with little or no influence on the hepatoma-induced decrease in HDL. There existed a positive correlation between
the hepatoma weight and (VLDL+LDL)-cholesterol concentration and a negative one between hepatoma and HDL-cholesterol. |
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