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

Cell junctions in explanted tissues from early chick embryos

C Stolinski, E J Sanders, R Bellairs

    Cell and Tissue Research
    |January 1, 1981
    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

    Expression of p53 in preneoplastic and early neoplastic bronchial lesions.

    Oncology reports·2002
    Same author

    Outcome of the first 3-years of a DNA-based neonatal screening program for glutaric acidemia type 1 in Manitoba and northwestern Ontario, Canada.

    Molecular genetics and metabolism·2002
    Same author

    Worry and anxiety: is there a causal relationship?

    Psychopathology·2002
    Same author

    Rapid pharmacotherapeutic intervention for an influenza A outbreak in the Canadian Arctic: lessons from the Sanikiluaq experience.

    International journal of circumpolar health·2002
    Same author

    Effect of creatine on performance of militarily relevant tasks and soldier health.

    Military medicine·2001
    Same author

    Towards evidence based emergency medicine: best BETS from the Manchester Royal Infirmary. Negative urine analysis to exclude urinary tract infection.

    Emergency medicine journal : EMJ·2001
    Same journal

    Correction to: Integrated morphological analyses of Cladomorphus phyllinus and transcriptomic analysis of Cladomorphus trimariensis provide insights into the cardiac morphophysiology of stick insects (Phasmida: Phasmatidae).

    Cell and tissue research·2026
    Same journal

    Deletion of CEACAM1 does not affect retinal and choroidal morphology or transcriptome.

    Cell and tissue research·2026
    Same journal

    Cardiac α2δ1 C-terminal contributes to left atrial hypertrophy in chronic ischemic heart failure, in association with changes in membrane GluN1 and p-CAMKII/p-HDAC4 signaling.

    Cell and tissue research·2026
    Same journal

    Gill ionocytes of the Lake Magadi tilapia (Oreochromis Alcolapia grahami), an extremophilic teleost native to a highly alkaline environment.

    Cell and tissue research·2026
    Same journal

    Integrated morphological analyses of Cladomorphus phyllinus and transcriptomic analysis of Cladomorphus trimariensis provide insights into the cardiac morphophysiology of stick insects (Phasmida: Phasmatidae).

    Cell and tissue research·2026
    Same journal

    Effects of gestational protein restriction on autophagy dynamics during odontogenesis.

    Cell and tissue research·2026
    See all related articles

    Chick embryo hypoblast and definitive endoblast cell junctions were examined. Definitive endoblast exhibits greater cell cohesiveness due to diverse junctional complexes compared to hypoblast.

    Area of Science:

    • Developmental biology
    • Cell biology
    • Embryology

    Background:

    • The hypoblast and definitive endoblast are crucial early embryonic tissues in chick development.
    • Understanding their cellular structure and interactions is key to deciphering early embryogenesis.

    Purpose of the Study:

    • To investigate and compare the junctional complexes present in chick embryo hypoblast and definitive endoblast.
    • To correlate observed junctional differences with potential variations in cell cohesiveness.

    Main Methods:

    • Explants of hypoblast and definitive endoblast from young chick embryos were cultured for 24 hours.
    • Freeze-fracture replicas and thin sections were used to examine cell membranes and junctional complexes.

    Main Results:

    Related Experiment Videos

    • Hypoblast cell membranes showed only tight junctions, characterized by randomly arranged, often discontinuous strands.
    • Definitive endoblast cells displayed tight junctions, gap junctions, and desmosomes, with desmosomes closely associated with tight junctions.

    Conclusions:

    • The distinct junctional complex profiles suggest differences in cell-cell adhesion.
    • Hypoblast exhibits lower cell cohesiveness, while definitive endoblast demonstrates higher cohesiveness, likely due to its more complex junctional structures.