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Pre-clinical Evaluation of Tyrosine Kinase Inhibitors for Treatment of Acute Leukemia
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Published on: September 19, 2013

Effect of leukemia-inhibiting factor on bilayer lipid membrane

V V Serysheva1, M P Borisova, L M Mezhevikina

  • 1Institute of Cell Biophysics, Russian Academy of Sciences, Pushchino, Moscow Region, Russia.

Bulletin of Experimental Biology and Medicine
|March 28, 2003
PubMed

Insights

Leukemia-inhibiting factor (LIF) increases ion permeability in bilayer lipid membranes. LIF acts as a surface-active agent, affecting membrane properties at low concentrations.

Area of Science:

  • Biophysics
  • Membrane Biology
  • Biochemistry

Background:

  • Bilayer lipid membranes are fundamental to cell structure and function.
  • Leukemia-inhibiting factor (LIF) is a cytokine with diverse biological roles.
  • Understanding LIF's interaction with membranes is crucial for its biological functions.

Purpose of the Study:

  • To investigate the effect of Leukemia-inhibiting factor (LIF) on the permeability of bilayer lipid membranes.
  • To determine the mechanism by which LIF influences membrane properties.

Main Methods:

  • Experiments were conducted on artificial bilayer lipid membranes.
  • The effect of a specific concentration of LIF (10 ng/ml) on ion permeability was measured.
  • Analysis of LIF's interaction with the membrane surface.

Main Results:

  • Leukemia-inhibiting factor (LIF) at 10 ng/ml significantly increased nonspecific ion permeability across bilayer lipid membranes.
  • LIF demonstrated surface-active properties when interacting with the lipid bilayers.

Conclusions:

  • Leukemia-inhibiting factor (LIF) alters the physical properties of bilayer lipid membranes.
  • LIF's surface activity contributes to its observed effects on membrane permeability.
  • These findings provide insights into the molecular mechanisms of LIF action.

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