Hemopoietic growth factors: a review

Area of Science:

• Hematology
• Molecular Biology
• Immunology

Background:

• Several hemopoietic growth factors have been successfully purified, cloned, and produced using bacterial systems.
• Granulocyte colony-stimulating factor (G-CSF) and granulocyte-macrophage colony-stimulating factor (GM-CSF) are currently in clinical trials.
• Macrophage colony-stimulating factor (M-CSF) and interleukin-3 (IL-3) are anticipated for patient treatment within a year.

Purpose of the Study:

• To review recent advancements in understanding the molecular properties and biological specificities of key hemopoietic growth factors.
• To highlight the selective modulation of mature blood cell activity and the stimulation of specific blood cell lineages by these factors.
• To discuss the impact of recombinant hemopoietic growth factors on in vivo experiments and clinical trials.

Main Methods:

• Review of current literature on hemopoietic growth factors.
• Analysis of molecular properties and biological specificities.
• Evaluation of clinical trial data and in vivo experimental results.

Main Results:

• Recombinant hemopoietic growth factors are available from various sources, including bacteria, animal, and yeast cell conditioned media.
• These factors demonstrate unique spectra of biological activities.
• Hemopoietic growth factors can selectively modulate mature blood cell activity and stimulate specific blood cell production.

Conclusions:

• Hemopoietic growth factors offer a promising therapeutic approach.
• They are expected to enhance the recovery and function of circulating white blood cells.
• Potential applications include post-cancer therapy and bone marrow transplantation recovery.