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Detergents are used to purify the integral proteins of the membrane. The hydrophobic portion of the detergent can replace membrane phospholipids while solubilizing the membrane proteins. When detergent monomers reach a specific concentration in a solution called critical micelle concentration (CMC), they form micelles. Above CMC, the concentration of the detergent monomers remains in equilibrium with the micelle. The number of detergent monomers present in the CMC varies for each detergent, and...
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Stable Discoidal Bicelles: Formulation, Characterization, and Functions.

Ying Liu1, Yan Xia1, Armin Tahmasbi Rad2

  • 1Department of Chemical and Biomolecular Engineering, University of Connecticut, Storrs, CT, USA.

Methods in Molecular Biology (Clifton, N.J.)
|February 13, 2023
PubMed
Summary
This summary is machine-generated.

Bicelles, used for protein studies, show potential as nanocarriers for delivering hydrophobic drugs to cancer cells. These bicellar nanodiscs offer enhanced delivery compared to liposomes.

Keywords:
Cellular uptakeDrug delivery carrierDynamic light scattering (DLS)PEGylated lipidPhospholipids bicellesSmall-angle X-ray scattering (SAXS)Small-angle neutron scattering (SANS)Transmission electron microscopy (TEM)

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Area of Science:

  • Biophysics
  • Nanotechnology
  • Drug Delivery

Background:

  • Bicellar mixtures serve as alignable membrane substrates for magnetic field-based structural characterization of membrane proteins.
  • Recent findings highlight bicelles' potential as nanocarriers for hydrophobic therapeutic molecules.

Purpose of the Study:

  • To discuss the preparation, characterization, stability, cellular uptake, and functions of bicellar nanodiscs.
  • To explore bicelles as effective nanocarriers for cancer therapy.

Main Methods:

  • Detailed preparation protocols for bicellar mixtures.
  • Standard structural characterization techniques.
  • Assessment of cellular uptake mechanisms.

Main Results:

  • Bicelles demonstrate enhanced delivery of hydrophobic molecules to cancer cells (3-10x increase vs. liposomes).
  • Discussion of structural stability and unique functions of bicellar nanodiscs.

Conclusions:

  • Bicellar nanodiscs are promising for targeted drug delivery in cancer therapy.
  • Bicelles offer advantages over liposomes in terms of delivery efficiency.