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Related Experiment Videos

The ABL genes in normal and abnormal cell development

S W Chung1, R Daniel, B Y Wong

  • 1The Fels Institute for Cancer Research and Molecular Biology, Temple University School of Medicine, Philadelphia, PA 19140, USA.

Critical Reviews in Oncogenesis
|January 1, 1996
PubMed
Summary
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Genetic alterations in the c-abl protooncogene cause abnormal hemopoietic system development and leukemia by suppressing apoptosis. Abnormal Abl oncoproteins also disrupt stem cell interactions with their microenvironment.

Area of Science:

  • Oncogenomics
  • Hematopoiesis
  • Cellular Biology

Background:

  • The c-abl protooncogene plays a critical role in cellular development.
  • Genetic alterations of c-abl can lead to oncogenic transformation, particularly in the hemopoietic system.
  • Abnormal Abl oncoproteins are implicated in leukemia development, partly through apoptosis suppression.

Purpose of the Study:

  • To investigate the role of c-abl protooncogene alterations in abnormal cellular development.
  • To understand how Abl oncoproteins influence apoptosis and leukemia.
  • To examine the impact of Abl oncoprotein expression on hemopoietic stem cell (HSC) interactions with the bone marrow microenvironment.

Main Methods:

  • Analysis of genetic alterations in the c-abl protooncogene.

Related Experiment Videos

  • Assessment of Abl oncoprotein activity in suppressing apoptosis.
  • Evaluation of cell surface molecule expression in HSCs expressing Abl oncoprotein.
  • Investigation of HSC-stroma microenvironment interactions.

    • Main Results:

    • Genetic alteration of c-abl leads to abnormal hemopoietic development.
    • Abnormal Abl oncoproteins can suppress apoptosis, contributing to leukemia.
    • Abl oncoprotein expression alters cell surface molecules, disrupting HSC-microenvironment interactions.
    • The role of genetic imprinting in c-abl alterations in chronic myelogenous leukemia remains unclear.

    Conclusions:

    • Genetic alterations of the c-abl protooncogene are a key factor in hemopoietic system abnormalities and leukemia.
    • Abl oncoproteins contribute to leukemogenesis by inhibiting apoptosis and altering stem cell microenvironment interactions.
    • Further research is needed to elucidate the role of genetic imprinting in c-abl alterations.