In isolated rat atrium, delta sleep-inducing peptide did not change the spontaneous contraction frequency.
In plain wordsIn lab tests on isolated rat heart tissue, DSIP did not change how often the tissue contracted.
- Outcome
- No significant changeSpontaneous contraction frequency of isolated auricle
- Study
ratn: not reported in source
Isolated right atrium auricle of two-day-old rat- Outcome group
- Heart function · Cardiovascular
- Studied dose
- 2.1 x 10(-7) to 1 x 10(-3) mol/l · bathing mediumAs given in this study (rat).
Source sentences
It was found that the investigated neuropeptides had no effect on the contraction frequency of the isolated auricle of the heart right atrium of two-day-old rat in a concentration from 2.1 x 10(-7) to 1 x 10(-3) mol/l in the bathing medium and it was concluded that their biological properties differ…
1 context sentence(design, population, supporting numbers)
The influence on the spontaneous contraction frequency of the isolated heart auricle of the following synthetic neuropeptides was determined: substance P, leu-enkephalin, met-enkephalin, angiotensin II, arg-vasopressin, oxytocin, delta sleep-inducing peptide and atrial natriuretic factor.