Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Testing the gonadal regression-cytoprotection hypothesis

B A Crawford1, J A Spaliviero, J M Simpson

  • 1Department of Medicine, University of Sydney, New South Wales, Australia.

Cancer Research
|November 21, 1998
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Reproducibility of Serum Androgen Concentrations by Liquid Chromatography Mass Spectrometry in Healthy Male and Female Athletes.

Drug testing and analysis·2026
Same author

Prenatal presentation of fetal bradycardia and long QT syndrome.

Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology·2026
Same author

Indications for fetal echocardiography: also a need to define the examination and standards of practice.

Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology·2025
Same author

Response to Letter to Editor From Brown et al.

Drug testing and analysis·2025
Same author

Characterizing fetoplacental response to acute maternal hyperoxygenation in suspected coarctation of aorta using fetal cardiac MRI.

Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology·2025
Same author

Natural history of autologous sperm cryostorage.

Human reproduction (Oxford, England)·2024
Same journal

BRD9 Degraders Unleash GBAF Chromatin Remodeling Activity in Synovial Sarcoma.

Cancer research·2026
Same journal

Virtual Tumors Enable Prediction of Personalized Therapeutic Combinations for Non-Small Cell Lung Cancer.

Cancer research·2026
Same journal

Opportunities to enhance cancer research through advocate-researcher partnerships.

Cancer research·2026
Same journal

EGFR N-Glycosylation Catalyzed by NDST2 Promotes Lenvatinib Resistance in Hepatocellular Carcinoma.

Cancer research·2026
Same journal

Immune checkpoint blockade augments lymphodepleting chemotherapy-induced antitumor immunity by expanding effector CD8+ T cell clones.

Cancer research·2026
Same journal

Longitudinal Single-Cell RNA-Sequencing Reveals Evolution of Micro- and Macro-states in Chronic Myeloid Leukemia.

Cancer research·2026
See all related articles

Cancer treatments can damage the testis, impacting male fertility. This study tested if gonadotrophin withdrawal protects the testes from cytotoxic drugs and irradiation, finding no evidence of protection in mice.

Area of Science:

  • Reproductive biology
  • Oncology
  • Toxicology

Background:

  • Cancer therapies, including chemotherapy and radiation, often cause germinal damage to the testes.
  • Preserving male fertility is crucial for the quality of life in cancer survivors.
  • A hypothesis suggests that inducing spermatogenic regression via gonadotrophin withdrawal may protect the testes from cytotoxic damage.

Purpose of the Study:

  • To definitively test the hypothesis that gonadotrophin deficiency protects the testis from cytotoxic damage.
  • To evaluate the potential of spermatogenic regression as a protective strategy against cancer treatment-induced testicular toxicity.

Main Methods:

  • Utilized the hypogonadal (hpg) mouse model, which has complete gonadotrophin deficiency.
  • Administered three different cytotoxins (procarbazine, doxorubicin, X irradiation) to hpg and phenotypically normal mice.

Related Experiment Videos

  • Assessed testicular damage by measuring testis weight and homogenization-resistant spermatid counts.

    • Main Results:

    • All three cytotoxins induced varying degrees of spermatogenic damage in both normal and hpg mice.
    • No evidence of cytoprotection was observed in hpg mice, despite their complete gonadotrophin deficiency.
    • Testis weight and spermatid numbers were similarly reduced in both groups following cytotoxic exposure.

    Conclusions:

    • The findings cast doubt on the hypothesis that spermatogenic regression through gonadotrophin withdrawal protects the testis from cytotoxin-induced damage.
    • This study suggests that inducing an immature testicular state is not an effective strategy for preserving fertility during cancer treatment.