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DSIP (Delta sleep-inducing peptide)

  • CAS No.: 62568-57-4
  • Purity: 99%
  • Min quantity: 10000 Kilograms
  • Price: USD 1~2/Kilograms
  • Place of Orign: zhuhai,Guangdong,China
Ms.Merry Chou

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Item specifics

  • Product Name.:DSIP (Delta sleep-inducing peptide)
  • CAS No: 62568-57-4
  • Weight: 848.81
  • Formula: C35H48 N10 O15
  • Boiling Point: 1522.7 °C at 760 mmHg
  • Density: 1.458 g/cm3

Details

DSIP (Delta sleep-inducing peptide)
Synonyms: Sleep inducing peptide;Waggdasge;Trp-ala-gly-gly-asn-ala-ser-gly-glu;Trp-ala-gly-gly-asp-ala-ser-gly-glu;Trp-ala-gly-gly-asp-ala-ser-gly-glu 4h2o;Delta sleep inducing peptide;Delta sleep-inducing peptide 4h2o;Dsip
CAS: 62568-57-4
MF: C35H48N10O15
MW: 848.81
Product Categories: Peptide

Delta sleep-inducing peptide alters bispectral index, the electroencephalogram and heart rate variability when used as an adjunct to isoflurane anaesthesia.
Abstract
BACKGROUND AND OBJECTIVE:
Delta sleep-inducing peptide (DSIP) is an endogenous peptide that crosses the blood-brain barrier, named after its association with natural sleep and enhanced electroencephalogram (EEG) delta rhythm. The objective of this study was to determine whether DSIP could be used as an adjunct to volatile anaesthesia in humans, our hypothesis being that DSIP is a natural hypnotic that would increase anaesthetic depth. The aims were to assess depth of anaesthesia using bispectral index (BIS), the EEG and heart rate variability (HRV), and to determine whether DSIP altered the symmetry of EEG between the left and right cerebral hemispheres.
METHODS:
Twenty-four female ASA I or II patients gave written, informed consent to a protocol approved by our local research ethics committee. Twelve were randomly assigned as controls to receive saline. The other 12 were randomly allocated to receive one of three intravenous bolus doses of DSIP (Clinalfa) at 25, 50 or 100 nmol kg(-1). The first administration of DSIP was while awake and the second after induction of anaesthesia with propofol and maintenance with isoflurane. BIS and EEG parameters were measured continuously using a bilateral electrode montage.
RESULTS:
DSIP significantly increased heart rate, decreased HRV and, paradoxically, significantly reduced delta rhythm along with reducing burst suppression and increasing BIS at 25 nmol kg(-1) during isoflurane anaesthesia. DSIP also significantly altered bilateral symmetry of EEG.
CONCLUSION:
DSIP probably reduced parasympathetic tone and decreased (lightened) the depth of anaesthesia measured using BIS.

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DSIP (Delta sleep-inducing peptide)

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