EFFECT OF A RESTRICTED DIET ON THE INVITRO GLUCOSE-INDUCED INSULIN RELEASE OF AGING RATS

被引:6
作者
CASTRO, M [1 ]
PEDROSA, D [1 ]
OSUNA, JI [1 ]
机构
[1] UNIV GRANADA,FAC MED,DEPT MED,E-18012 GRANADA,SPAIN
来源
EXPERIENTIA | 1992年 / 48卷 / 10期
关键词
D O I
10.1007/BF01919151
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
To study the effect of a sudden loss of body weight on the beta-cell function of aging rats, basal and glucose-induced insulin secretion was measured in pancreatic islets obtained from young (2-month-old), adult (12-month-old) and aging (24-month-old) rats, either fed ad libitum or fed a restricted diet (50 % caloric restriction). Basal insulin secretion was similar in islets of young, adult and older rats. Glucose stimulated insulin release was significantly reduced in aging rats as compared to young animals. Animals fed a restricted diet showed a prolonged and higher secretory rate during first phase release when compared to animals fed ad libitum.
引用
收藏
页码:996 / 998
页数:3
相关论文
共 12 条
  • [1] THE ROLE OF OLD-AGE IN THE EFFECTS OF GLUCOSE ON INSULIN-SECRETION, PENTOSEPHOSPHATE SHUNT ACTIVITY, PYRIDINE-NUCLEOTIDES AND GLUTATHIONE OF RAT PANCREATIC-ISLETS
    AMMON, HPT
    AMM, U
    EUJEN, R
    HOPPE, E
    TRIER, G
    VERSPOHL, EJ
    [J]. LIFE SCIENCES, 1984, 34 (03) : 247 - 257
  • [2] THE NATURE OF INSULIN SECRETORY DEFECT IN AGING RATS
    DRAZNIN, B
    STEINBERG, JP
    LEITNER, JW
    SUSSMAN, KE
    [J]. DIABETES, 1985, 34 (11) : 1168 - 1173
  • [3] EFFECT OF AGE ON PROINSULIN AND INSULIN SECRETORY PATTERNS IN ISOLATED RAT ISLETS
    GOLD, G
    REAVEN, GM
    REAVEN, EP
    [J]. DIABETES, 1981, 30 (01) : 77 - 82
  • [4] AGING AND GLUCOSE-HOMEOSTASIS IN C57BL/6J MALE-MICE
    LEITER, EH
    PREMDAS, F
    HARRISON, DE
    LIPSON, LG
    [J]. FASEB JOURNAL, 1988, 2 (12) : 2807 - 2811
  • [5] THE CAPABILITY FOR REGULATION OF INSULIN-SECRETION BY SOMATOSTATIN IN PURIFIED PANCREATIC-ISLET B-CELLS DURING AGING
    MAGAL, E
    CHAUDHURI, M
    ADELMAN, RC
    [J]. MECHANISMS OF AGEING AND DEVELOPMENT, 1986, 33 (02) : 139 - 146
  • [6] INSULIN RELEASE IN AGING - DYNAMIC-RESPONSE OF ISOLATED ISLETS OF LANGERHANS OF THE RAT TO D-GLUCOSE AND D-GLYCERALDEHYDE
    MOLINA, JM
    PREMDAS, FH
    LIPSON, LG
    [J]. ENDOCRINOLOGY, 1985, 116 (02) : 821 - 826
  • [7] OSUNA JI, 1986, PHOSPHATE MINERAL HO, P509
  • [8] EFFECT OF AGE ON LEUCINE-INDUCED INSULIN-SECRETION BY THE BETA-CELL
    REAVEN, E
    GOLD, G
    REAVEN, G
    [J]. JOURNALS OF GERONTOLOGY, 1980, 35 (03): : 324 - 328
  • [9] EFFECT OF AGE AND DIET ON INSULIN-SECRETION AND INSULIN ACTION IN THE RAT
    REAVEN, E
    WRIGHT, D
    MONDON, CE
    SOLOMON, R
    HO, H
    REAVEN, GM
    [J]. DIABETES, 1983, 32 (02) : 175 - 180
  • [10] EFFECT OF AGE ON GLUCOSE-STIMULATED INSULIN RELEASE BY THE BETA-CELL OF THE RAT
    REAVEN, EP
    GOLD, G
    REAVEN, GM
    [J]. JOURNAL OF CLINICAL INVESTIGATION, 1979, 64 (02) : 591 - 599