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

The germ cell - oncogenic and embryogenic correlates

B Iyengar

    Experientia
    |October 15, 1982
    PubMed
    Summary

    Ovarian germ cell tumors show totipotent differentiation, while testicular tumors are mainly nullipotent germinomas. This study reveals distinct roles of the ovum and spermatozoon in zygote development and gonad function.

    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

    Lymph-node Involvement in Tuberculoid Leprosy.

    Indian journal of dermatology, venereology and leprology·2017
    Same author

    Drosophila Amphiphysin is a post-synaptic protein required for normal locomotion but not endocytosis.

    Traffic (Copenhagen, Denmark)·2001
    Same author

    Melatonin and melanocyte functions.

    Biological signals and receptors·2000
    Same author

    Behavioral characterization and genetic analysis of the Drosophila melanogaster larval response to light as revealed by a novel individual assay.

    Behavior genetics·2000
    Same author

    A simultaneous ex vivo model of embryogenesis: I. Organogenesis.

    Indian journal of physiology and pharmacology·2000
    Same author

    A simultaneous ex vivo model of embryogenesis: II. Vasculogenesis.

    Indian journal of physiology and pharmacology·2000

    Area of Science:

    • Reproductive biology
    • Oncology
    • Developmental biology

    Background:

    • Germ cell tumors (GCTs) are neoplasms arising from germ cells.
    • Ovarian GCTs commonly present as benign teratomas, while testicular GCTs are predominantly nullipotent germinomas.
    • Understanding GCT differentiation provides insights into early developmental processes.

    Purpose of the Study:

    • To analyze the differentiation patterns in gonadal germ cell tumors.
    • To elucidate the distinct roles of the ovum and spermatozoon in zygote development.
    • To investigate the influence of gonadal microenvironments on germ cell behavior.

    Main Methods:

    • Analysis of 100 consecutive germ cell tumors of the gonads over a 5-year period.
    • Histopathological examination to assess tumor differentiation.
    • Comparative analysis of ovarian and testicular germ cell tumor characteristics.

    Main Results:

    • Benign teratomas (totipotent) are the most common ovarian GCTs.
    • Nullipotent germinomas constitute the majority of testicular GCTs.
    • Testicular teratomas exhibit differentiation into embryoid bodies and organoid structures.
    • Ovum confers differentiating functions; spermatozoon confers organization and proliferation functions.
    • Germ cell behavior differences are attributed to local feedback within gonadal zones.

    Conclusions:

    • The ovum and spermatozoon possess distinct inherent functions crucial for zygote development.
    • Local feedback mechanisms within the gonads modulate germ cell differentiation and behavior.
    • Germ cell tumors serve as a model to understand fundamental reproductive and developmental processes.

    Related Experiment Videos