Proteolytic Control of Lipid Metabolism

Pingdewinde N. Sam, Erica Avery, Steven M Claypool

Research output: Contribution to journalReview article

Abstract

Synthesis and regulation of lipid levels and identities is critical for a wide variety of cellular functions, including structural and morphological properties of organelles, energy storage, signaling, and stability and function of membrane proteins. Proteolytic cleavage events regulate and/or influence some of these lipid metabolic processes and as a result help modulate their pleiotropic cellular functions. Proteins involved in lipid regulation are proteolytically cleaved for the purpose of their relocalization, processing, turnover, and quality control, among others. The scope of this review includes proteolytic events governing cellular lipid dynamics. After an initial discussion of the classic example of sterol regulatory element-binding proteins, our focus will shift to the mitochondrion, where a range of proteolytic events are critical for normal mitochondrial phospholipid metabolism and enforcing quality control therein. Recently, mitochondrial phospholipid metabolic pathways have been implicated as important for the proliferative capacity of cancers. Thus, the assorted proteases that regulate, monitor, or influence the activity of proteins that are important for phospholipid metabolism represent attractive targets to be manipulated for research purposes and clinical applications.

Original languageEnglish (US)
JournalACS chemical biology
DOIs
StateAccepted/In press - Jan 1 2019

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Lipid Metabolism
Lipids
Phospholipids
Metabolism
Quality Control
Quality control
Sterol Regulatory Element Binding Proteins
Mitochondria
Metabolic Networks and Pathways
Organelles
Energy storage
Membrane Proteins
Proteins
Peptide Hydrolases
Processing
Research
Neoplasms

ASJC Scopus subject areas

  • Biochemistry
  • Molecular Medicine

Cite this

Proteolytic Control of Lipid Metabolism. / Sam, Pingdewinde N.; Avery, Erica; Claypool, Steven M.

In: ACS chemical biology, 01.01.2019.

Research output: Contribution to journalReview article

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