1: Kemenes G, Rózsa KS, Stefano G, Carpenter DO. Distinct receptors for Leu- and Met-enkephalin on the metacerebral giant cell of Aplysia. Cell Mol Neurobiol. 1992 Apr;12(2):107-19. PubMed PMID: 1318164.
2: Katsuura G, Inouye K, Itoh S, Hsiao S. Analgesic effects of enkephalin analogs in rats. Life Sci. 1984 Aug 20;35(8):815-8. PubMed PMID: 6548283.
3: Haldar J, Hoffman DL, Zimmerman EA. Morphine, beta-endorphin and [D-Ala2] Met-enkephalin inhibit oxytocin release by acetylcholine and suckling. Peptides. 1982 Jul-Aug;3(4):663-8. PubMed PMID: 6291011.
4: Yen MH, Ku PY, Lee HK. The effect of (D-Ala2)-Met-enkephalin on the contraction of nictitating membrane in cats. Eur J Pharmacol. 1980 May 2;63(2-3):213-6. PubMed PMID: 7379855.
5: Grigor'eva ON, Gusel' VA, Kozhevnikova NIu, Vlasov GP. [Decreased acetylcholinesterase activity in the area of epileptogenic foci created by met-enkephalin in the hippocampus of rats]. Biull Eksp Biol Med. 1983 Feb;95(2):36-8. Russian. PubMed PMID: 6402039.
6: Tielen AM, Lopes da Silva FH, Mollevanger WJ, de Jonge FH. Differential effects of enkephalin within hippocampal areas. Exp Brain Res. 1981;44(3):343-6. PubMed PMID: 7308349.
7: Kawano H, Masuko S. Met-enkephalin-Arg6-Gly7-Leu8- and substance P-containing projections from the nucleus preopticus medianus to the paraventricular hypothalamic nucleus. Neurosci Lett. 1992 Dec 14;148(1-2):211-5. PubMed PMID: 1284443.
8: Dobbins J, Racusen L, Binder HJ. Effect of D-alanine methionine enkephalin amide on ion transport in rabbit ileum. J Clin Invest. 1980 Jul;66(1):19-28. PubMed PMID: 6249844; PubMed Central PMCID: PMC371500.
9: Carpenter DO, Kemenes G, Elekes K, Leung M, Stefano G, Rózsa KS, Salánki J. Opioid peptides in the nervous system of Aplysia: a combined biochemical, immunocytochemical, and electrophysiological study. Cell Mol Neurobiol. 1995 Apr;15(2):239-56. PubMed PMID: 8590454.
10: Konecka AM, Sadowski B, Jaszczak J, Panocka I, Sroczynska I, Misicka A. The effect of intracerebroventricular infusion of morphine, methionine-enkephalin and D-Ala2-enkephalinamide on body temperature of rabbits. Arch Int Physiol Biochim. 1982 Apr;90(1):1-7. PubMed PMID: 6179485.
11: Baranowska B, Dorobek W, Izdebski J, Bondaruk J. The effect of Met-enkephalin and its analogues on gonadotrophin release in patients with polycystic ovary syndrome. Endokrynol Pol. 1985;36(3):147-53. PubMed PMID: 4076048.
12: Vlasova TI, Kamenskiĭ AA, Ashmarin IP. [Effect of enkephalins on training the white rat in a T-maze]. Zh Vyssh Nerv Deiat Im I P Pavlova. 1983 Sep-Oct;33(5):870-6. Russian. PubMed PMID: 6359758.
13: Horvat S, Horvat J, Varga-Defterdarović L, Pavelić K, Chung NN, Schiller PW. Methionine-enkephalin related glycoconjugates. Synthesis and biological activity. Int J Pept Protein Res. 1993 Apr;41(4):399-404. PubMed PMID: 8496021.
14: Burks TF, Hirning LD, Galligan JJ, Davis TP. Motility effects of opioid peptides in dog intestine. Life Sci. 1982 Nov 15-22;31(20-21):2237-40. PubMed PMID: 6298519.
15: Kurosu Y, Murayama K, Shindo N, Shisa Y, Ishioka N. Optical resolution of phenylthiohydantoin-amino acids by capillary electrophoresis and identification of the phenylthiohydantoin-D-amino acid residue of [D-Ala2]-methionine enkephalin. J Chromatogr A. 1996 Nov 1;752(1-2):279-86. PubMed PMID: 8962502.
16: Law PY, Griffin MT, Koehler JE, Loh HH. Attenuation of enkephalin activity in neuroblastoma X glioma NG108-15 hybrid cells by phospholipases. J Neurochem. 1983 Jan;40(1):267-75. PubMed PMID: 6294248.
17: Chicau-Chovet M, Chariot J, Rozé C. [Central inhibition of external pancreatic secretion by D-ala-2-metenkephalinamide in rats]. Gastroenterol Clin Biol. 1985 Mar;9(3):220-2. French. PubMed PMID: 4007375.
18: Rockhold RW, Bealer SL. Modification of the cardiovascular response to enkephalin by preoptic-hypothalamic periventricular lesions. Neuropharmacology. 1984 Feb;23(2A):203-6. PubMed PMID: 6717759.
19: Inoue N, Hatanaka H. Nerve growth factor induces specific enkephalin binding sites in a nerve cell line. J Biol Chem. 1982 Aug 25;257(16):9238-41. PubMed PMID: 6286607.
20: Cooper DM, Londos C, Gill DL, Rodbell M. Opiate receptor-mediated inhibition of adenylate cyclase in rat striatal plasma membranes. J Neurochem. 1982 Apr;38(4):1164-7. PubMed PMID: 6278084.