THE EFFECT OF CHRONIC FATTY-ACID TREATMENT ON LIPOLYSIS IN 3T3-L1 ADIPOCYTES

被引:14
作者
FONG, JC
机构
[1] Institute of Biochemistry National Yang-Ming Medical College, Taipei
关键词
D O I
10.1016/0006-291X(90)91354-U
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
Various saturated and unsaturated fatty acids were included in the culture medium to test their effects on lipolysis in 3T3-L1 adipocytes. Following prolonged incubation, only oleate was found to exert enhancing effect on basal and isoproterenol-stimulated lipolysis. The effect of oleate was concentration-dependent and was accompanied with increased intracellular cAMP content. Furthermore, the lipolytic response induced by isobutylmethylxanthine, forskolin or dibutyryl cAMP was also increased in adipocytes treated with oleate. Thus, it appears that in addition to an increased cAMP accumulation, a step distal to cAMP production in the cells may be involved in inducing enhanced lipolysis in 3T3-L1 adipocytes by prolonged exposure to oleate. © 1990.
引用
收藏
页码:46 / 52
页数:7
相关论文
共 21 条
[1]  
ARNER P, 1983, INT J OBESITY, V7, P167
[2]  
Bjorntorp P, 1971, Adv Metab Disord, V5, P277
[3]  
BROWN BL, 1972, ADV CYCL NUCL RES<D>, V2, P25
[4]  
CARNICERO HH, 1984, J BIOL CHEM, V259, P3844
[5]   RESISTANCE TO INSULIN SUPPRESSION OF PLASMA-FREE FATTY-ACID CONCENTRATIONS AND INSULIN STIMULATION OF GLUCOSE-UPTAKE IN NONINSULIN-DEPENDENT DIABETES-MELLITUS [J].
CHEN, YDI ;
GOLAY, A ;
SWISLOCKI, ALM ;
REAVEN, GM .
JOURNAL OF CLINICAL ENDOCRINOLOGY & METABOLISM, 1987, 64 (01) :17-21
[7]  
Fain J N, 1979, Adv Exp Med Biol, V111, P43
[8]   IMPROVEMENT IN INVITRO INSULIN ACTION AFTER ONE MONTH OF INSULIN THERAPY IN OBESE NONINSULIN-DEPENDENT DIABETICS - MEASUREMENTS OF GLUCOSE-TRANSPORT AND METABOLISM, INSULIN BINDING, AND LIPOLYSIS IN ISOLATED ADIPOCYTES [J].
FOLEY, JE ;
KASHIWAGI, A ;
VERSO, MA ;
REAVEN, G ;
ANDREWS, J .
JOURNAL OF CLINICAL INVESTIGATION, 1983, 72 (06) :1901-1909
[9]   AMBIENT PLASMA-FREE FATTY-ACID CONCENTRATIONS IN NONINSULIN-DEPENDENT DIABETES-MELLITUS - EVIDENCE FOR INSULIN RESISTANCE [J].
FRAZE, E ;
DONNER, CC ;
SWISLOCKI, ALM ;
CHIOU, YAM ;
CHEN, YDI ;
REAVEN, GM .
JOURNAL OF CLINICAL ENDOCRINOLOGY & METABOLISM, 1985, 61 (05) :807-811
[10]   A RAPID ENZYMATIC ASSAY FOR GLYCEROL [J].
GARLAND, PB ;
RANDLE, PJ .
NATURE, 1962, 196 (4858) :987-&