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Study · Animal study (in vivo) · rat · 1983

7 results

Reduction of a centrally induced pressor response by neurohypophyseal peptides: the involvement of lower brainstem mechanisms.

Versteeg CA, Cransberg K, De Jong W, Bohus B

European journal of pharmacology1 Oct 1983Cited by 15 (Europe PMC)

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 study7

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

  1. 01AnimalAnimal study (in vivo)Efficacy outcome

    In anesthetized rats, oxytocin attenuated the electrically induced pressor response.

    In plain wordsIn rats under anesthesia, oxytocin reduced the blood pressure response to electrical stimulation.

    Peptide
    Oxytocin
    Outcome
    DecreasePressor response
    Study

    ratn: not reported in source

    Urethane-anesthetized rats with electrically induced neurogenic hypertension
    Outcome group
    Blood pressure · Cardiovascular
    Studied dose
    Dose not stated · fourth cerebral ventricleAs given in this study (rat).

    Source sentences

    Summary
    Oxytocin (OXT) and prolyl-leucyl-glycinamide (OXT-(7-9] administered into the fourth cerebral ventricle markedly attenuated the magnitude of the pressor response.
    1 context sentence
    Summary · context
    Pressor and bradycardiac responses induced by electrical stimulation of the mesencephalic reticular formation in urethane-anesthetized rats were used as model of neurogenic hypertension.
  2. 02AnimalAnimal study (in vivo)Efficacy outcome

    In anesthetized rats, PLG attenuated the electrically induced pressor response.

    In plain wordsIn rats under anesthesia, PLG reduced the blood pressure response to electrical stimulation.

    Outcome
    DecreasePressor response
    Study

    ratn: not reported in source

    Urethane-anesthetized rats with electrically induced neurogenic hypertension
    Outcome group
    Blood pressure · Cardiovascular
    Studied dose
    Dose not stated · fourth cerebral ventricleAs given in this study (rat).

    Source sentences

    Summary
    Oxytocin (OXT) and prolyl-leucyl-glycinamide (OXT-(7-9] administered into the fourth cerebral ventricle markedly attenuated the magnitude of the pressor response.
    1 context sentence
    Summary · context
    Pressor and bradycardiac responses induced by electrical stimulation of the mesencephalic reticular formation in urethane-anesthetized rats were used as model of neurogenic hypertension.
  3. 03AnimalAnimal study (in vivo)Efficacy outcome

    In anesthetized rats, PLG was somewhat more potent than oxytocin against the pressor response.

    In plain wordsIn rats under anesthesia, PLG reduced the blood pressure response somewhat more potently than oxytocin.

    Outcome
    IncreasePressor response potency
    Study

    ratn: not reported in source

    Urethane-anesthetized rats with electrically induced neurogenic hypertension
    Comparator
    Oxytocin
    Outcome group
    Blood pressure · Cardiovascular
    Studied dose
    Dose not stated · fourth cerebral ventricleAs given in this study (rat).

    Source sentences

    Summary
    OXT-(7-9) was somewhat more potent than OXT and its effect was dose-dependent.
    1 context sentence
    Summary · context
    Pressor and bradycardiac responses induced by electrical stimulation of the mesencephalic reticular formation in urethane-anesthetized rats were used as model of neurogenic hypertension.
  4. 04AnimalAnimal study (in vivo)Efficacy outcome

    In anesthetized rats, the effect of PLG on the pressor response was dose-dependent.

    In plain wordsIn rats under anesthesia, the PLG effect on the blood pressure response depended on dose.

    Outcome
    Not applicableDose dependence of pressor response attenuation
    Study

    ratn: not reported in source

    Urethane-anesthetized rats with electrically induced neurogenic hypertension
    Outcome group
    Blood pressure · Cardiovascular
    Studied dose
    Dose not stated · fourth cerebral ventricleAs given in this study (rat).

    Source sentences

    Summary
    OXT-(7-9) was somewhat more potent than OXT and its effect was dose-dependent.
    1 context sentence
    Summary · context
    Pressor and bradycardiac responses induced by electrical stimulation of the mesencephalic reticular formation in urethane-anesthetized rats were used as model of neurogenic hypertension.
  5. 05AnimalAnimal study (in vivo)Efficacy outcome

    In anesthetized rats, PLG microinjection into the dorsal raphe nucleus reduced the pressor response.

    In plain wordsIn rats under anesthesia, PLG injection into the dorsal raphe nucleus reduced the blood pressure response.

    Outcome
    DecreasePressor response after dorsal raphe injection
    Study

    ratn: not reported in source

    Urethane-anesthetized rats with electrically induced neurogenic hypertension
    Outcome group
    Blood pressure · Cardiovascular
    Studied dose
    Dose not stated · microinjection into dorsal raphe nucleusAs given in this study (rat).

    Source sentences

    Summary
    Microinjection of OXT-(7-9) into the dorsal raphe nucleus reduced the pressor response as well.
    1 context sentence
    Summary · context
    Pressor and bradycardiac responses induced by electrical stimulation of the mesencephalic reticular formation in urethane-anesthetized rats were used as model of neurogenic hypertension.
  6. 06AnimalAnimal study (in vivo)Efficacy outcome

    In anesthetized rats, oxytocin did not affect the magnitude of the bradycardiac response.

    In plain wordsIn rats under anesthesia, oxytocin did not change the slowing of heart rate.

    Peptide
    Oxytocin
    Outcome
    No significant changeBradycardiac response
    Study

    ratn: not reported in source

    Urethane-anesthetized rats with electrically induced neurogenic hypertension
    Outcome group
    Heart function · Cardiovascular
    Studied dose
    Dose not stated · fourth cerebral ventricleAs given in this study (rat).

    Source sentences

    Summary
    None of these peptides affected the magnitude of the bradycardiac response.
    2 context sentences
    Summary · context
    Oxytocin (OXT) and prolyl-leucyl-glycinamide (OXT-(7-9] administered into the fourth cerebral ventricle markedly attenuated the magnitude of the pressor response.
    Summary · context
    Pressor and bradycardiac responses induced by electrical stimulation of the mesencephalic reticular formation in urethane-anesthetized rats were used as model of neurogenic hypertension.
  7. 07AnimalAnimal study (in vivo)Efficacy outcome

    In anesthetized rats, PLG did not affect the magnitude of the bradycardiac response.

    In plain wordsIn rats under anesthesia, PLG did not change the slowing of heart rate.

    Outcome
    No significant changeBradycardiac response
    Study

    ratn: not reported in source

    Urethane-anesthetized rats with electrically induced neurogenic hypertension
    Outcome group
    Heart function · Cardiovascular
    Studied dose
    Dose not stated

    Source sentences

    Summary
    None of these peptides affected the magnitude of the bradycardiac response.
    2 context sentences
    Summary · context
    Oxytocin (OXT) and prolyl-leucyl-glycinamide (OXT-(7-9] administered into the fourth cerebral ventricle markedly attenuated the magnitude of the pressor response.
    Summary · context
    Pressor and bradycardiac responses induced by electrical stimulation of the mesencephalic reticular formation in urethane-anesthetized rats were used as model of neurogenic hypertension.

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 3Current

    22 Oct 2026, 02:26 UTC

    Study results updated

  2. Version 2

    21 Oct 2026, 18:59 UTC

    Study data updated · source update from Europe PMC

  3. Version 1

    9 Oct 2026, 02:54 UTC

    First added · source update from Europe PMC

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Terms as the source lists them.

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