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Study · Animal study (in vivo) · rat · 2009

3 results

[Effect of semax on heart rate variability in various daytime periods].

Arushanian EB, Popov AV

Eksperimental'naia i klinicheskaia farmakologiia1 Mar 2009

PMID19441725 (opens in a new tab)PepBankPUB-19441725
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Summary

The text of this summary is not shown here, because the article license does not allow reuse. Read it at the source (opens in a new tab)

Text rights: Publisher copyright. Results still quote short attributed sentences.

Results from this study3

3 results from studies that gave the peptide. No result from this study comes from people.

  1. 01AnimalAnimal study (in vivo)Efficacy outcome

    In rats, semax did not change heart rate variability in the morning.

    In plain wordsIn rats, semax did not change heart rate variability in the morning.

    Peptide
    Semax
    Outcome
    No significant changeHeart rate variability in the morning
    Study

    ratn: not reported in source

    Outcome group
    Heart function · Cardiovascular
    Studied dose
    Dose not stated

    Source sentences

    Summary
    Peptide drug semax with nootropic properties did not change the heart rate variability in rats in the morning
  2. 02AnimalAnimal study (in vivo)Efficacy outcome

    In rats, semax produced a significant optimizing action on heart rate variability in the evening.

    In plain wordsIn rats, semax had a significant optimizing effect on heart rate variability in the evening.

    Peptide
    Semax
    Outcome
    Direction not reportedHeart rate variability in the evening
    Study

    ratn: not reported in source

    Outcome group
    Heart function · Cardiovascular
    Studied dose
    Dose not stated

    Source sentences

    Summary
    Peptide drug semax with nootropic properties did not change the heart rate variability in rats in the morning
    1 context sentence
    Summary · context
    but produced a significant optimizing action and attenuated the stress-induced sympathetic influences on the heart in the evening
  3. 03AnimalAnimal study (in vivo)Efficacy outcome

    In rats, semax attenuated stress-induced sympathetic influences on the heart in the evening.

    In plain wordsIn rats, semax reduced stress-induced sympathetic influences on the heart in the evening.

    Peptide
    Semax
    Outcome
    DecreaseStress-induced sympathetic influence on the heart in the evening
    Study

    ratn: not reported in source

    Outcome group
    Heart function · Cardiovascular
    Studied dose
    Dose not stated

    Source sentences

    Summary
    attenuated the stress-induced sympathetic influences on the heart in the evening.

AI wrote and checked these results. AI can make mistakes, so check important results against the source.

Version history

PepBank keeps every version of the data on this study. Status changes from Retraction Watch, Europe PMC and Crossref are listed with their source.

  1. Version 2Current

    12 Oct 2026, 17:28 UTC

    Study results updated

  2. Version 1

    9 Oct 2026, 03:04 UTC

    First added · source update from Europe PMC

Subjects

Terms as the source lists them.

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