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Protein codes and mobility together shape cellular function and disease.

Henry R Kilgore1, Shannon Moreno2, Richard A Young3

  • 1Whitehead Institute for Biomedical Research, Cambridge, MA 02142, USA; Current address: Faculty of Pharmaceutical Sciences, The University of British Columbia, 2405 Wesbrook Mall, Vancouver, BC, V6T 1Z3, Canada.

Trends in Biochemical Sciences
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Summary
This summary is machine-generated.

Cells use protein compartments, like membrane-less condensates, for specialized functions. Protein properties and movement within these cellular structures are key to health and disease.

Keywords:
biomolecular condensatescollision-limited reactionsmacromolecular crowdingoxidative stressprotein solvation environmentsproteolethargy

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Area of Science:

  • Cell biology
  • Biochemistry
  • Biophysics

Background:

  • Cells compartmentalize biochemical activities using membrane-bound organelles and membrane-less condensates.
  • These compartments create specialized chemical environments supporting unique cellular functions.
  • Proteins contain encoded information for folding and selective localization within condensates.

Purpose of the Study:

  • To review the principles of condensate compartmentalization in cells.
  • To emphasize the role of encoded protein properties, chemical environments, and dynamic movement.
  • To highlight the impact of these factors on cellular health and disease pathology.

Main Methods:

  • Review of existing literature on protein compartmentalization.
  • Analysis of principles governing protein folding and distribution.
  • Examination of the relationship between protein mobility, cellular function, and disease.

Main Results:

  • Proteins possess encoded instructions for folding and selective distribution into condensate compartments.
  • Dynamic movement of proteins within compartments is crucial for normal cellular function.
  • Reduced protein mobility can lead to impaired biochemical rates, dysfunction, and disease.

Conclusions:

  • Condensate compartmentalization relies on encoded protein properties, surrounding chemical environments, and protein dynamics.
  • These factors collectively influence cellular health and the development of disease pathology.
  • Understanding these principles is vital for comprehending cellular function and disease mechanisms.