Skip to content

Study · Animal study (in vivo) · rat · 2011

10 results

Intraperitoneal kisspeptin-10 administration induces dose-dependent degenerative changes in maturing rat testes.

Ramzan F, Qureshi IZ

Life sciences26 Nov 2010Cited by 29 (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 study10

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

  1. 01AnimalAnimal study (in vivo)Efficacy outcome

    In prepubertal male rats, 12 days of kisspeptin‑10 reduced plasma LH at the 1 ng and 1 μg doses.

    In plain wordsIn young male rats, 12 days of kisspeptin‑10 lowered blood LH at the 1 ng and 1 μg doses.

    Outcome
    DecreasePlasma LH concentration
    Study

    ratn: not reported in source

    Prepubertal male rats, 5 weeks old
    Outcome group
    Sex hormones and fertility · Endocrine and hormones
    Studied dose
    1 ng and 1 μg · intraperitoneal · 12 daysAs given in this study (rat).

    Source sentences

    Summary
    At the end of the treatments plasma LH and testosterone concentrations were reduced significantly at 1ng and 1μg kisspeptin doses (P<0.05; P<0.01).
    2 context sentences
    Summary · context
    The present study investigated the effects of 12 days of pulsatile kisspeptin administration on gonadotropins and testosterone release and maturation of immature male gonads.
    Summary · context
    Kisspeptin-10 was administered intraperitoneally at different dosage concentrations (1 μg, 1 ng, and 10 pg) to 5 weeks old prepubertal male rats, twice daily for 12 days.
  2. 02AnimalAnimal study (in vivo)Efficacy outcome

    In prepubertal male rats, 12 days of kisspeptin‑10 reduced plasma testosterone at the 1 ng and 1 μg doses.

    In plain wordsIn young male rats, 12 days of kisspeptin‑10 lowered blood testosterone at the 1 ng and 1 μg doses.

    Outcome
    DecreasePlasma testosterone concentration
    Study

    ratn: not reported in source

    Prepubertal male rats, 5 weeks old
    Outcome group
    Sex hormones and fertility · Endocrine and hormones
    Studied dose
    1 ng and 1 μg · intraperitoneal · 12 daysAs given in this study (rat).

    Source sentences

    Summary
    At the end of the treatments plasma LH and testosterone concentrations were reduced significantly at 1ng and 1μg kisspeptin doses (P<0.05; P<0.01).
    2 context sentences
    Summary · context
    The present study investigated the effects of 12 days of pulsatile kisspeptin administration on gonadotropins and testosterone release and maturation of immature male gonads.
    Summary · context
    Kisspeptin-10 was administered intraperitoneally at different dosage concentrations (1 μg, 1 ng, and 10 pg) to 5 weeks old prepubertal male rats, twice daily for 12 days.
  3. 03AnimalAnimal study (in vivo)Efficacy outcome

    In prepubertal male rats, kisspeptin‑10 decreased the numbers of type A spermatogonia, preleptotene and pachytene spermatocytes, step 7 and elongated spermatids.

    In plain wordsIn young male rats, kisspeptin‑10 reduced the numbers of several sperm-forming cell types in the testes.

    Outcome
    DecreaseGerm cell numbers at stage VII
    Study

    ratn: not reported in source

    Prepubertal male rats, 5 weeks old
    Outcome group
    Sex hormones and fertility · Reproductive and sexual health
    Studied dose
    Dose not stated · intraperitoneal · 12 daysAs given in this study (rat).

    Source sentences

    Summary
    Type A spermatogonia, preleptotene spermatocytes, pachytene spermatocytes, step 7 spermatids, elongated spermatids
    3 context sentences
    Summary · context
    Spermatogenesis was studied mainly at stage VII of the spermatogenic cycle through light and electron microscopy.
    Summary · context
    The present study investigated the effects of 12 days of pulsatile kisspeptin administration on gonadotropins and testosterone release and maturation of immature male gonads.
    Summary · context
    Kisspeptin-10 was administered intraperitoneally at different dosage concentrations (1 μg, 1 ng, and 10 pg) to 5 weeks old prepubertal male rats, twice daily for 12 days.
  4. 04AnimalAnimal study (in vivo)Efficacy outcome

    In prepubertal male rats, kisspeptin‑10 decreased daily sperm production.

    In plain wordsIn young male rats, kisspeptin‑10 lowered daily sperm production.

    Outcome
    DecreaseDaily sperm production
    Study

    ratn: not reported in source

    Prepubertal male rats, 5 weeks old
    Outcome group
    Sex hormones and fertility · Reproductive and sexual health
    Studied dose
    Dose not stated · intraperitoneal · 12 daysAs given in this study (rat).

    Source sentences

    Summary
    daily sperm production decreased significantly (P<0.05).
    2 context sentences
    Summary · context
    The present study investigated the effects of 12 days of pulsatile kisspeptin administration on gonadotropins and testosterone release and maturation of immature male gonads.
    Summary · context
    Kisspeptin-10 was administered intraperitoneally at different dosage concentrations (1 μg, 1 ng, and 10 pg) to 5 weeks old prepubertal male rats, twice daily for 12 days.
  5. 05AnimalAnimal study (in vivo)Efficacy outcome

    In prepubertal male rats, kisspeptin‑10 reduced Sertoli cell efficiency at all doses.

    In plain wordsIn young male rats, kisspeptin‑10 reduced the efficiency of testis support cells at all doses.

    Outcome
    DecreaseSertoli cell efficiency
    Study

    ratn: not reported in source

    Prepubertal male rats, 5 weeks old
    Outcome group
    Sex hormones and fertility · Reproductive and sexual health
    Studied dose
    1 μg, 1 ng and 10 pg · intraperitoneal · 12 daysAs given in this study (rat).

    Source sentences

    Summary
    Sertoli cell efficiency and total support capacity of Sertoli cells were reduced at all doses (P<0.05).
    2 context sentences
    Summary · context
    The present study investigated the effects of 12 days of pulsatile kisspeptin administration on gonadotropins and testosterone release and maturation of immature male gonads.
    Summary · context
    Kisspeptin-10 was administered intraperitoneally at different dosage concentrations (1 μg, 1 ng, and 10 pg) to 5 weeks old prepubertal male rats, twice daily for 12 days.
  6. 06AnimalAnimal study (in vivo)Efficacy outcome

    In prepubertal male rats, kisspeptin‑10 reduced the total support capacity of Sertoli cells at all doses.

    In plain wordsIn young male rats, kisspeptin‑10 reduced the support capacity of testis support cells at all doses.

    Outcome
    DecreaseTotal support capacity of Sertoli cells
    Study

    ratn: not reported in source

    Prepubertal male rats, 5 weeks old
    Outcome group
    Sex hormones and fertility · Reproductive and sexual health
    Studied dose
    1 μg, 1 ng and 10 pg · intraperitoneal · 12 daysAs given in this study (rat).

    Source sentences

    Summary
    Sertoli cell efficiency and total support capacity of Sertoli cells were reduced at all doses (P<0.05).
    2 context sentences
    Summary · context
    The present study investigated the effects of 12 days of pulsatile kisspeptin administration on gonadotropins and testosterone release and maturation of immature male gonads.
    Summary · context
    Kisspeptin-10 was administered intraperitoneally at different dosage concentrations (1 μg, 1 ng, and 10 pg) to 5 weeks old prepubertal male rats, twice daily for 12 days.
  7. 07AnimalAnimal study (in vivo)Efficacy outcome

    In prepubertal male rats, the meiotic index decreased with kisspeptin‑10 at the 1 μg dose only.

    In plain wordsIn young male rats, kisspeptin‑10 lowered a measure of sperm cell division only at the 1 μg dose.

    Outcome
    DecreaseMeiotic index
    Study

    ratn: not reported in source

    Prepubertal male rats, 5 weeks old
    Outcome group
    Sex hormones and fertility · Reproductive and sexual health
    Studied dose
    1 μg · intraperitoneal · 12 daysAs given in this study (rat).

    Source sentences

    Summary
    Meiotic index decreased (P<0.05) at 1 μg dose only
    2 context sentences
    Summary · context
    The present study investigated the effects of 12 days of pulsatile kisspeptin administration on gonadotropins and testosterone release and maturation of immature male gonads.
    Summary · context
    Kisspeptin-10 was administered intraperitoneally at different dosage concentrations (1 μg, 1 ng, and 10 pg) to 5 weeks old prepubertal male rats, twice daily for 12 days.
  8. 08AnimalAnimal study (in vivo)Efficacy outcome

    In prepubertal male rats, the coefficient of mitosis increased with kisspeptin‑10 at the 1 ng and 1 μg doses.

    In plain wordsIn young male rats, kisspeptin‑10 raised a measure of cell division at the 1 ng and 1 μg doses.

    Outcome
    IncreaseCoefficient of mitosis
    Study

    ratn: not reported in source

    Prepubertal male rats, 5 weeks old
    Outcome group
    Sex hormones and fertility · Reproductive and sexual health
    Studied dose
    1 ng and 1 μg · intraperitoneal · 12 daysAs given in this study (rat).

    Source sentences

    Summary
    whereas coefficient of mitosis increased at 1 ng and 1 μg (P<0.01) kisspeptin doses.
    2 context sentences
    Summary · context
    The present study investigated the effects of 12 days of pulsatile kisspeptin administration on gonadotropins and testosterone release and maturation of immature male gonads.
    Summary · context
    Kisspeptin-10 was administered intraperitoneally at different dosage concentrations (1 μg, 1 ng, and 10 pg) to 5 weeks old prepubertal male rats, twice daily for 12 days.
  9. 09AnimalAnimal study (in vivo)Safety outcome

    In prepubertal male rats, kisspeptin‑10 caused degeneration of seminiferous tubules with tubular necrosis, giant cells, vacuolization and widened lumen.

    In plain wordsIn young male rats, kisspeptin‑10 damaged the sperm-forming tubes of the testes.

    Outcome
    IncreaseSeminiferous tubule degeneration (histology)
    Study

    ratn: not reported in source

    Prepubertal male rats, 5 weeks old
    Outcome group
    Sex hormones and fertility · Reproductive and sexual health
    Studied dose
    Dose not stated · intraperitoneal · 12 daysAs given in this study (rat).

    Source sentences

    Summary
    Histologically, degeneration of seminiferous tubules was evident showing tubular necrosis, multinucleated giant cell formation, intratubular vacuolization, widened lumen and deshaped germ cells.
    2 context sentences
    Summary · context
    The present study investigated the effects of 12 days of pulsatile kisspeptin administration on gonadotropins and testosterone release and maturation of immature male gonads.
    Summary · context
    Kisspeptin-10 was administered intraperitoneally at different dosage concentrations (1 μg, 1 ng, and 10 pg) to 5 weeks old prepubertal male rats, twice daily for 12 days.
  10. 10AnimalAnimal study (in vivo)Safety outcome

    In prepubertal male rats, kisspeptin‑10 caused ultrastructural changes: thin basal laminae, enlarged intratubular spaces, abnormal acrosomes and disrupted germ cells.

    In plain wordsIn young male rats, kisspeptin‑10 changed the fine structure of the testes and disrupted sperm-forming cells.

    Outcome
    IncreaseTestis ultrastructural changes
    Study

    ratn: not reported in source

    Prepubertal male rats, 5 weeks old
    Outcome group
    Sex hormones and fertility · Reproductive and sexual health
    Studied dose
    Dose not stated · intraperitoneal · 12 daysAs given in this study (rat).

    Source sentences

    Summary
    Marked ultrastructural changes characterized by thin basal laminae, enlarged intratubular spaces, abnormal acrosome and disrupted germ cells were noticeable.
    2 context sentences
    Summary · context
    The present study investigated the effects of 12 days of pulsatile kisspeptin administration on gonadotropins and testosterone release and maturation of immature male gonads.
    Summary · context
    Kisspeptin-10 was administered intraperitoneally at different dosage concentrations (1 μg, 1 ng, and 10 pg) to 5 weeks old prepubertal male rats, twice daily for 12 days.

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, 18:17 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.

PepBank is a research reference. Talk to a doctor before you use any peptide.