Meza U, Romero-Méndez AC, Licón Y, Sánchez-Armáss S

Language: Spanish
References: 36
Page: 125-134
PDF size: 527.05 Kb.

ABSTRACT

The plasma membrane is the structure that delimits the cell. Originally, it was just considered a physical barrier that separates the inside from the outside of the cell. But now, it is visualized as a dynamic structure, enclosing diverse lipids and proteins elements, which is involved in several important processes e.g., ion permeability and transport, excitability, cell migration, hormone and neurotransmitter secretion, extracellular signal transduction, cell differentiation, and cell to cell recognition. This review contains a brief overview of the development of the plasma membrane concept, including its current model that involves the dynamic nanoscale heterogeneities denominated membrane rafts. The functional relevance of membrane rafts is also discussed.

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