Abstract：
:Activity of the GABA-synthesizing enzyme, glutamate decarboxylase (GAD), was measured in brain areas involved in glucoregulation 60 min after a glucoprivie challenge. The rate of GAD activity in the ventromedial nucleus of the hypothalamus (VMN) increased in a dose-dependent manner in response to intraperitoneal injection of 2-deoxy-D-glucose (2-DG). The increase in VMN GAD activity was significantly correlated with an increase in food intake (r2 = .77, p less than 0.01). The increase in VMN GAD activity was not due to the higher food intake since rats receiving 2-DG and denied access to food also had elevated rates of VMN GAD activity. VMN GAD activity was increased 28% and 32% after intracerebroventricular injection of 2-DG or 5-thioglucose, respectively. The rates of GAD activity in the lateral hypothalamus and area postrema were not affected by either peripherally or centrally administered 2-DG. The increase in VMN GAD activity after glucoprivation may be involved in the regulation of blood glucose by influencing food intake.
journal_name
Physiol Behavjournal_title
Physiology & behaviorauthors
Beverly JL,Martin RJdoi
10.1016/0031-9384(91)90046-qsubject
Has Abstractpub_date
1991-02-01 00:00:00pages
295-9issue
2eissn
0031-9384issn
1873-507Xpii
0031-9384(91)90046-Qjournal_volume
49pub_type
杂志文章abstract：:Prior research has noted a relationship between an individual's height in adolescence and their personality development later in life. This study examined whether height in adolescence--net of possible confounding variables such as age and biological maturity--predicted polydrug use in adolescence and young adulthood....
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