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Review
. 2025 Apr:338:103401.
doi: 10.1016/j.cis.2025.103401. Epub 2025 Jan 17.

The endothelial surface layer-glycocalyx - Universal nano-infrastructure is fundamental to physiology, cell traffic and a complementary neural network

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Free article
Review

The endothelial surface layer-glycocalyx - Universal nano-infrastructure is fundamental to physiology, cell traffic and a complementary neural network

Barry W Ninham et al. Adv Colloid Interface Sci. 2025 Apr.
Free article

Abstract

The glycocalyx and its associated endothelial surface layer which lines all cell membranes and most tissues, dwarfs the phospholipid membrane of cells in extent. Its major components are sulphated polymers like heparan and chondroitin sulphates and hyaluronic acid. These form a fuzzy layer of unknown structure and function. It has become increasingly clear that the ESL-GC complex must play many roles. We postulate it has a self-organised infrastructure that directs cell traffic, acts in defence against pathogens and other cells, and in diseases like diabetes, and heart disease, besides being a playground for a host of biochemical activity. Based on an analogous sulphated polymeric system Nafion, the fuel cell polymer, we suggest a model for the structure of the ESL-GC complex and how it functions. Taken together with parallel developments in physical chemistry, in nanobubbles, their stability in physiological media, and reactivity, we believe the model may throw light on a variety of phenomena, diabetes and some other diseases.

Keywords: Acupuncture; Cell membrane; Complementary neural network; Diabetes and Parkinsons; Drug mechanism; Endothelial surface layer; Enzyme action; Glycocalyx; Hibernation; Lithium; Mood drugs; Nanobubbles.

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Conflict of interest statement

Declaration of competing interest Matthew J Battye has patent #WO2019104383A1 licensed to Breakthrough Technologies Pty Ltd. Matthew J Battye has patent #WO2018071985A1 licensed to Breakthrough Technologies Pty Ltd. If there are other patent authors, they declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.

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