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

Hematopoietic stem cell self-renewal.

Omobolaji O Akala1, Michael F Clarke

  • 1Stanford Institute for Stem Cell Biology and Regenerative Medicine, 1050 Arastradero Road, Palo Alto, CA 94304-1334, USA.

Current Opinion in Genetics & Development
|August 22, 2006
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

Improved reconstruction of single-cell developmental potential with CytoTRACE 2.

Nature methods·2025
Same author

Pharmacokinetics and bioavailability of pembrolizumab with berahyaluronidase alfa for subcutaneous administration in participants with advanced or metastatic solid tumors: The phase 1 study 3475A-C18.

European journal of cancer (Oxford, England : 1990)·2025
Same author

Results of a phase 1/2 study of sacituzumab tirumotecan in patients with unresectable locally advanced or metastatic solid tumors refractory to standard therapies.

Journal of hematology & oncology·2025
Same author

The E2F4 transcriptional repressor is a key mechanistic regulator of colon cancer resistance to <i>irinotecan</i> (CPT-11).

bioRxiv : the preprint server for biology·2025
Same author

The impact of plant-derived fire management prescriptions on fire-responsive bird species.

Ecological applications : a publication of the Ecological Society of America·2024
Same author

Progressive senescence programs induce intrinsic vulnerability to aging-related female breast cancer.

Nature communications·2024

Hematopoietic stem cell (HSC) self-renewal depends on integrating survival and proliferation signals with maintaining an undifferentiated state. Understanding the coordination of newly identified pathways is crucial for comprehending HSC maintenance.

Area of Science:

  • Stem cell biology
  • Molecular mechanisms of self-renewal

Background:

  • Hematopoietic stem cell (HSC) self-renewal is critical for blood formation and requires intricate regulation.
  • This process involves balancing cell survival, proliferation, and maintaining an undifferentiated state.
  • Extrinsic microenvironmental signals and intrinsic regulators crosstalk to control HSC fate.

Purpose of the Study:

  • To elucidate the complex mechanisms governing hematopoietic stem cell self-renewal.
  • To highlight the role of Polycomb group proteins, specifically Bmi1, in stem cell maintenance.
  • To identify and understand the coordination of newly discovered pathways regulating HSCs.

Main Methods:

  • Review of recent studies on HSC self-renewal mechanisms.
  • Analysis of the role of Polycomb group proteins (e.g., Bmi1) in stem cell maintenance.

Related Experiment Videos

  • Identification of key regulatory pathways and factors (e.g., Mcl1, Tel/Etv6, Gfi1, Pten, Stat5).

    • Main Results:

    • Bmi1 is essential for maintaining both adult HSCs and neural stem cells.
    • Polycomb group proteins actively maintain the undifferentiated state in concert with transcriptional regulators.
    • Multiple new players (Mcl1, Tel/Etv6, Gfi1, Pten, Stat5) have been identified as regulators of HSC maintenance.

    Conclusions:

    • Understanding the coordinated action of these diverse pathways is key to deciphering HSC self-renewal.
    • The mechanisms maintaining pluripotency in embryonic stem cells may extend to other stem cell types.
    • Further research into pathway integration is necessary for advancing HSC biology.