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effects of "Products of Chicken Embryo" on Growth and Sexual Development in Rats

Biomedical and Environmental Sciences 1999年第2期12卷 125-135页

作者： WU CHUAN-JIN AND DAI YIN(Institute of Food Control and Inspection, Ministry of Health, Chinese Academy of Preventive Medicine, Beijing 100021, China) 卫生部食品卫生监督检验所北京

Products of Chicken Embryo (PCE) such as Ji-Pei-Jing is a kind of food for Chinese children prepard from chicken embryo. Female rats on 21 days were administered with aqueous solutions of Ji-Pei-Jing (1. 2 %, 3 %, 12%, and 48%, respectively) by gavage up to their onsets of *** rats in the control group were treated with distilled water. However, Ji-Pei-Jing treatment exerted some effects on sexual mauration in the immature female rats. Essentially, the effects showed a dose-response tendency with an inverted 'U' *** age of vopnal opening for gnup treated with Ji-Pei-Jing was significantly earier than that to the control. Its uterus weight/b. w. ratio also significantly increased on day 30 and at the first estrus. There were significantly increases in the adrenal weight/b. w. raio of 30-day-old rats that were treated with 3%, 12%, and 48% Ji-Pei-Jing. The rats treated with 48% Ji-Pei-Jing had significantly lesser ovary weight.b.w. radio on day 30, too. The rats treated with Ji-Pei-Jing could normally ovulate at the first estrus, and no significant differences were observed during estrous *** effects of PCE on serum levels of K, P, LH in 30-day-old nds and FSH in 28-day-old ras were elevated significantly by 3 % Ji-Pei-Jing treatment. It appeare that the effects of PCE result from interaction of contained complex physiologically active substances. Steriods, especially estradio-17β,possibly Play a key role, and polpeptide hormones may also exert important effects.

关键词： effects of Products of Chicken Embryo on Growth and Sexual Development in Rats LHRH

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effects of β-ecdysone and polypodine-B on moulting and growth of prawn, Penaeus orientalis

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Acta Oceanologica Sinica 1992年第2期11卷 231-235页

作者： Luo Rixiang, Wang Yuying and Li Guangyou

effects of the mixture of β-ecdysone and polypodine -B (2 : 1 W/W) on the moulting and growth of prawn, Penaeus orientaliss were studied in laboratory by rearing the animal with the added compound diets. The results showed that the addition of the moulting hormone (M. H) mixture to compound diets, from 1. 33× 10-6 to 30×10-6, could increase moulting activity and growth rate of the prawn to different extents, among which the 5. 33× 10-6-10. 67×10-6addition had statistically significant effects. However, 60 × 10-6 added diets caused moulting and growth inhibitions and cuticle thickening. The analyses of protein, water and ash contents of the prawn showed no remarkable differences between hormone dosed animals and the control.

关键词： effects of Penaeus orientalis ecdysone and polypodine-B on moulting and growth of prawn

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effects of β-amyloid peptide on transient outward potassium current of acutely dissociated hippocampal neurons in CA1 sector in rats

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Chinese Medical Journal 1998年第6期 12-15页

作者：许长庆钱采韵张宗明吴才宏周培爱梁秀龄

Objective To explore the mechanism of β amyloid peptide (β AP) in Alzheimer's disease at ionic channel level. Methods Hippocampal CA 1 neurons of 7 21 days' rats were acutely dissociated and the effects of β AP on transient outward potassium current were observed by a whole cell recording patch clamp technique. Results β AP can significantly block transient potassium current in dose dependent, time dependent and partly voltage dependent manners. Conclusion β AP may decrease the membrane conductance of K + channels in hippocampal neurons, playing an important role in the pathophysiological mechanism of Alzheimer's disease.

关键词：许长庆 amyloid peptide on transient outward potassium current of acutely dissociated hippocampal neurons in CA1 sector in rats effects of

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effects of γ-Aminobutyric Acid on Spontaneous Discharges of Rat Hypothalamic Paraventricular Phasic Neurons in Vitro

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针刺研究 1994年第Z1期 44-45页

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