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Proceedings of the National Academy of Sciences of the United States of America logoLink to Proceedings of the National Academy of Sciences of the United States of America
. 1981 Nov;78(11):6764–6765. doi: 10.1073/pnas.78.11.6764

Human beta-endorphin: specific binding in neuroblastoma N18TG2 cells.

R G Hammonds Jr, C H Li
PMCID: PMC349130  PMID: 6273887

Abstract

The mouse neuroblastoma N18TG2 has specific, saturable binding sites for human beta-endorphin (beta h-EP). The affinity and number of sites are 1.1 nM and 280,000 per cell, respectively, beta h-EP binding is not inhibited by [Leu]enkephalin or morphine at concentrations up to 0.1 mM; beta h-EP-(6--31) is a potent inhibitor of binding, and camel beta-EP is much less potent. The data suggest the importance of the nonenkephalin segment of the beta h-EP molecule for interaction with the binding site in N18TG2 cells.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

  1. Benda P., Lightbody J., Sato G., Levine L., Sweet W. Differentiated rat glial cell strain in tissue culture. Science. 1968 Jul 26;161(3839):370–371. doi: 10.1126/science.161.3839.370. [DOI] [PubMed] [Google Scholar]
  2. Eipper B. A., Mains R. E. Characterization of mouse tumor cell beta-lipotropin. J Biol Chem. 1979 Oct 25;254(20):10190–10199. [PubMed] [Google Scholar]
  3. Hammonds R. G., Jr, Ferrara P., Li C. H. beta-Endorphin: characteristics of binding sites in a neuroblastoma--glioma hybrid cell. Proc Natl Acad Sci U S A. 1981 Apr;78(4):2218–2220. doi: 10.1073/pnas.78.4.2218. [DOI] [PMC free article] [PubMed] [Google Scholar]
  4. Houghten R. A., Chang W. C., Li C. H. Human beta-endorphin: synthesis and characterization of analogs iodinated and tritiated at tyrosine residues 1 and 27. Int J Pept Protein Res. 1980 Oct;16(4):311–320. doi: 10.1111/j.1399-3011.1980.tb02592.x. [DOI] [PubMed] [Google Scholar]
  5. Huidobro F., Huidobro-Toro J. P., Miranda H. Interactions between morphine and the opioid-like peptides in the rat vas deferens. Br J Pharmacol. 1980 Dec;70(4):519–525. doi: 10.1111/j.1476-5381.1980.tb09770.x. [DOI] [PMC free article] [PubMed] [Google Scholar]
  6. Law P. Y., Herz A., Loh H. H. Demonstration and characterization of a stereospecific opiate receptor in the neuroblastoma N18TG2 cells. J Neurochem. 1979 Dec;33(6):1177–1187. doi: 10.1111/j.1471-4159.1979.tb05262.x. [DOI] [PubMed] [Google Scholar]
  7. Lemaire S., Magnan J., Regoli D. Rat vas deferens: a specific bioassay for endogenous opioid peptides. Br J Pharmacol. 1978 Nov;64(3):327–329. doi: 10.1111/j.1476-5381.1978.tb08653.x. [DOI] [PMC free article] [PubMed] [Google Scholar]
  8. Li C. H., Yamashiro D., Tseng L. F., Loh H. H. Synthesis and analgesic activity of human beta-endorphin. J Med Chem. 1977 Mar;20(3):325–328. doi: 10.1021/jm00213a001. [DOI] [PubMed] [Google Scholar]
  9. Minna J., Glazer D., Nirenberg M. Genetic dissection of neural properties using somatic cell hybrids. Nat New Biol. 1972 Feb 23;235(60):225–231. doi: 10.1038/newbio235225a0. [DOI] [PubMed] [Google Scholar]
  10. Schulz R., Faase E., Wüster M., Herz A. Selective receptors for beta-endorphin on the rat vas deferens. Life Sci. 1979 Feb 26;24(9):843–849. doi: 10.1016/0024-3205(79)90368-0. [DOI] [PubMed] [Google Scholar]

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