1. It was named enkephalin and its discovery was a major advance in the search for new analgesics.

2. Objective: To compare the distribution of enkephalin (ENK) in the vocal and auditory nuclei of male Carduelis spinus and Lonchura Striata.

3. Inhibitor of leukotriene A4 hydrolase and of enkephalin degradation in cell preparations from brain.

4. Enkephalin which belongs to the endogenous opioid peptide family plays an important role in the modulation of dental pain transmission.

5. Conclusion An immortalized rat astrocyte strain expressing enkephalin regulated by Dox has been established, which may provide a new tool for regulatable gene therapy for chronic pain in the future.

6. The leucine enkephalin was mainly distributed at the globus pallidus and was secondly distributed at the marginal division of the striatum.

7. Lymphocyte proliferation and leucine - enkephalin ( L - EK ), ? ? - endorphin ( ? ? - EP ) were determined by the cell incubation and radioimmunoassay, respectively.

8. Aim To investigate the changes of dynorphin and enkephalin with naloxone in rat's brain tissue and the pain threshold of tail flick after positive and negative acceleration loaded.

9. Conclusion: Methionine enkephalin can inhibit the proliferation of the two kinds of cells.

10. Objective:To find out the changes of leucine enkephalin(L EK) levels in brain and serum in rat model of spleen asthenia.

11. AIM:To study the effects of four Chinese herbal extracts on enkephalin hydrolysing enzymes.

12. In order to study the neurotoxic effects of xylene on the nervous system in rats, the concentrations of amino acid neurotransmitter and enkephalin were analyzed using HPLC and RIA.

13. Methods: CEM ×174 cells were infected with SIV and treated with different concentrations of methionine enkephalin.

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14. NP2 is a gene transfer vector that expresses the naturally-occurring opioid peptide enkephalin.

15. AIM: To construct an immortalized rat astrocyte strain (IAST) expressing enkephalin regulated by Doxycycline.

16. AIM: To study the host immune surveillance functions by the neuropeptide methionine enkephalin (met-enk) .