Related Experiment Video
Updated: Jul 26, 2026
10:49
Pre-clinical Evaluation of Tyrosine Kinase Inhibitors for Treatment of Acute Leukemia
Published on: September 18, 2013
Summary
Ribonucleic acid (RNA) from leukemic lymphocytes induced blood vessel formation in human amniotic cell cultures. This suggests RNA may be the key component of lymphocyte angiogenic factor.
Area of Science:
- Biochemistry
- Cell Biology
- Oncology
Background:
- Recent interest in tumor and tissue angiogenic factors.
- Angiogenic activity has been observed in transformed lymphocytes.
- Lukes-Rappaport immunoproliferative syndromes exhibit an angioblastic component.
Purpose of the Study:
- To investigate the potential role of ribonucleic acid (RNA) in lymphocyte-mediated angiogenesis.
- To determine if RNA extracted from leukemic lymphocytes possesses angiogenic properties.
Main Methods:
- RNA was extracted from leukemic lymphocytes using a fluorocarbon method.
- Primary cultures of human amniotic cells were exposed to the extracted lymphocyte RNA.
- Angiogenic effects were assessed by observing the development of vascular structures.
Main Results:
- Exposure to leukemic lymphocyte RNA resulted in the development of angioid tubular and cordon-like structures within 7 to 12 days.
- Extracts from normal peripheral blood cells and granulocyte-rich blood showed no angiogenic effects.
- This indicates a specific angiogenic property associated with RNA from leukemic lymphocytes.
Conclusions:
- Ribonucleic acid (RNA) may be the vessel-forming principle responsible for lymphocyte angiogenic factor.
- The findings support the hypothesis that lymphocyte angiogenic factor originates from RNA.
- This has implications for understanding angiogenesis in certain immunoproliferative syndromes and cancer.
