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Study · Animal study (in vivo) · rat · 2022

6 results

Selank, a Peptide Analog of Tuftsin, Attenuates Aversive Signs of Morphine Withdrawal in Rats.

Konstantinopolsky MA, Chernyakova IV, Kolik LG

Bulletin of experimental biology and medicine1 Oct 2022Cited by 2 (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 study6

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

  1. 01AnimalAnimal study (in vivo)Efficacy outcome

    In morphine-dependent rats, a single dose of Selank reduced the total index of morphine withdrawal syndrome by 39.6% compared with the active control group.

    In plain wordsIn rats dependent on morphine, Selank reduced withdrawal signs by 39.6% compared with the control group.

    Peptide
    Selank
    Outcome
    DecreaseTotal index of morphine withdrawal syndrome
    Study

    ratn: not reported in source

    Naloxone-precipitated morphine withdrawal in morphine-dependent rats
    Comparator
    Active control group
    Outcome group
    Addiction, withdrawal and alcohol intake · Nervous system and cognition
    Studied dose
    0.3 mg/kg · intraperitoneal · single injectionAs given in this study (rat).

    Measurements

    Reduction of total withdrawal index
    39.6%
    Selank 0.3 mg/kg

    Source sentences

    Summary
    Single intraperitoneal injection of Selank in an anxiolytic dose of 0.3 mg/kg reduced the total index of morphine withdrawal syndrome by 39.6%
    1 context sentence
    Summary · context
    Activity of a peptide tuftsin analogue Selank was studied in outbred rats using the naloxone-precipitated morphine withdrawal model.
  2. 02AnimalAnimal study (in vivo)Efficacy outcome

    In morphine-dependent rats, Selank significantly attenuated convulsive reactions compared with the active control group.

    In plain wordsIn rats dependent on morphine, Selank reduced convulsions during withdrawal compared with the control group.

    Peptide
    Selank
    Outcome
    DecreaseConvulsive reactions during morphine withdrawal
    Study

    ratn: not reported in source

    Naloxone-precipitated morphine withdrawal in morphine-dependent rats
    Comparator
    Active control group
    Outcome group
    Addiction, withdrawal and alcohol intake · Nervous system and cognition
    Studied dose
    0.3 mg/kg · intraperitoneal · single injectionAs given in this study (rat).

    Source sentences

    Summary
    Single intraperitoneal injection of Selank in an anxiolytic dose of 0.3 mg/kg reduced the total index of morphine withdrawal syndrome by 39.6%, significantly (р<0.0001) attenuated convulsive reactions, ptosis, and posture disorders
    1 context sentence
    Summary · context
    Activity of a peptide tuftsin analogue Selank was studied in outbred rats using the naloxone-precipitated morphine withdrawal model.
  3. 03AnimalAnimal study (in vivo)Efficacy outcome

    In morphine-dependent rats, Selank significantly attenuated ptosis compared with the active control group.

    In plain wordsIn rats dependent on morphine, Selank reduced drooping eyelids during withdrawal compared with the control group.

    Peptide
    Selank
    Outcome
    DecreasePtosis during morphine withdrawal
    Study

    ratn: not reported in source

    Naloxone-precipitated morphine withdrawal in morphine-dependent rats
    Comparator
    Active control group
    Outcome group
    Addiction, withdrawal and alcohol intake · Nervous system and cognition
    Studied dose
    0.3 mg/kg · intraperitoneal · single injectionAs given in this study (rat).

    Source sentences

    Summary
    Single intraperitoneal injection of Selank in an anxiolytic dose of 0.3 mg/kg reduced the total index of morphine withdrawal syndrome by 39.6%, significantly (р<0.0001) attenuated convulsive reactions, ptosis, and posture disorders
    1 context sentence
    Summary · context
    Activity of a peptide tuftsin analogue Selank was studied in outbred rats using the naloxone-precipitated morphine withdrawal model.
  4. 04AnimalAnimal study (in vivo)Efficacy outcome

    In morphine-dependent rats, Selank significantly attenuated posture disorders compared with the active control group.

    In plain wordsIn rats dependent on morphine, Selank reduced posture problems during withdrawal compared with the control group.

    Peptide
    Selank
    Outcome
    DecreasePosture disorders during morphine withdrawal
    Study

    ratn: not reported in source

    Naloxone-precipitated morphine withdrawal in morphine-dependent rats
    Comparator
    Active control group
    Outcome group
    Addiction, withdrawal and alcohol intake · Nervous system and cognition
    Studied dose
    0.3 mg/kg · intraperitoneal · single injectionAs given in this study (rat).

    Source sentences

    Summary
    Single intraperitoneal injection of Selank in an anxiolytic dose of 0.3 mg/kg reduced the total index of morphine withdrawal syndrome by 39.6%, significantly (р<0.0001) attenuated convulsive reactions, ptosis, and posture disorders
    1 context sentence
    Summary · context
    Activity of a peptide tuftsin analogue Selank was studied in outbred rats using the naloxone-precipitated morphine withdrawal model.
  5. 05AnimalAnimal study (in vivo)Efficacy outcome

    In morphine-dependent rats, Selank increased the tactile sensitivity threshold 9-fold compared with the active control group.

    In plain wordsIn rats dependent on morphine, Selank raised the touch sensitivity threshold 9-fold compared with the control group.

    Peptide
    Selank
    Outcome
    IncreaseTactile sensitivity threshold
    Study

    ratn: not reported in source

    Naloxone-precipitated morphine withdrawal in morphine-dependent rats
    Comparator
    Active control group
    Outcome group
    Pain · Nervous system and cognition
    Studied dose
    0.3 mg/kg · intraperitoneal · single injectionAs given in this study (rat).

    Measurements

    Tactile sensitivity threshold increase
    9-fold
    Selank 0.3 mg/kg

    Source sentences

    Summary
    9-fold increased the tactile sensitivity threshold in morphine-dependent rats in comparison with the group of active control
    1 context sentence
    Summary · context
    Activity of a peptide tuftsin analogue Selank was studied in outbred rats using the naloxone-precipitated morphine withdrawal model.
  6. 06AnimalAnimal study (in vivo)Efficacy outcome

    In morphine-dependent rats, Selank was slightly less active than diazepam 2 mg/kg: diazepam lowered the total withdrawal index by 49.3% and raised the sensitivity threshold 13-fold.

    In plain wordsIn rats dependent on morphine, Selank worked slightly less well than diazepam against withdrawal signs.

    Peptide
    Selank
    Outcome
    DecreaseWithdrawal syndrome reduction compared with diazepam
    Study

    ratn: not reported in source

    Naloxone-precipitated morphine withdrawal in morphine-dependent rats
    Comparator
    Diazepam 2 mg/kg
    Outcome group
    Addiction, withdrawal and alcohol intake · Nervous system and cognition
    Studied dose
    0.3 mg/kg · intraperitoneal · single injectionAs given in this study (rat).

    Measurements

    Reduction of total withdrawal index
    49.3%
    diazepam 2 mg/kg
    Sensitivity threshold increase
    13-fold
    diazepam 2 mg/kg

    Source sentences

    Summary
    at the same time, Selank was slightly inferior to diazepam in a dose of 2 mg/kg by pharmacological activity (the decrease in total index of morphine withdrawal syndrome by 49.3% and 13-fold increase in sensitivity threshold).
    1 context sentence
    Summary · context
    Activity of a peptide tuftsin analogue Selank was studied in outbred rats using the naloxone-precipitated morphine withdrawal model.

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

    9 Oct 2026, 19:08 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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