Title: DSIP
CAS Registry Number: 62568-57-4
CAS Name: Delta sleep-inducing peptide (rabbit)
Synonyms: delta sleep peptide; delta sleep factor
Molecular Formula: C35H48N10O15
Molecular Weight: 848.81
Percent Composition: C 49.53%, H 5.70%, N 16.50%, O 28.27%
Literature References: A nonapeptide that shows enhancement and induction of delta (slow-wave) and spindle EEG patterns. Its occurrence was suspected during dialysis of cerebral venous blood of rabbits during sleep induced by electrical stimulation of the thalamus: M. Monnier, L. H?sli,
Science 146, 796 (1964). Initial isoln:
eidem, Pfluegers Arch. 282, 60 (1965). Isoln, characterization: G. A. Schoenenberger
et al., Experientia 28, 919 (1972). Amino acid sequence, synthesis of DSIP and analogs: G. A. Schoenenberger, M. Monnier,
Proc. Natl. Acad. Sci. USA 74, 1282 (1977). Solid phase synthesis: Y. P. Shvachkin
et al., Zh. Obshch. Khim. 51, 719 (1981),
C.A. 95, 43644s (1981). Rapid liquid phase synthesis: S. Nozaki, I. Muramatsu,
Bull. Chem. Soc. Jpn. 55, 2165 (1982). HPLC separation: M. Dizaroglu
et al., J. Chromatogr. 237, 417 (1982). Effect on human sleep: D. Schneider-Helmert
et al., Lancet 1, 1256 (1981);
eidem, Int. J. Clin. Pharmacol. Ther. Toxicol. 19, 341 (1981); D. Schneider-Helmert, G. A. Schoenenberger,
Experientia 37, 913 (1981).
