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Coupled cell networks are target cells of inflammation, which can spread between different body organs and develop into systemic chronic inflammation

Review article
Authors Elisabeth Hansson
Eva Skiöldebrand
Published in Journal of Inflammation-London
Volume 12
Pages Article Number: 44
ISSN 1476-9255
Publication year 2015
Published at Institute of Neuroscience and Physiology, Department of Clinical Neuroscience and Rehabilitation
Institute of Biomedicine, Department of Clinical Chemistry and Transfusion Medicine
Pages Article Number: 44
Language en
Links dx.doi.org/10.1186/s12950-015-0091-...
Keywords Coupled cell networks, Inflammation, Pain spreading, Ca2+ signaling, Connexin 43, Gap junctions, BRAIN ENDOTHELIAL-CELLS, CENTRAL-NERVOUS-SYSTEM, NEUROPATHIC PAIN, ARTICULAR CHONDROCYTES, GAP-JUNCTIONS, INTRACELLULAR CA2+, SIGNALING, PATHWAY, CALCIUM WAVES, ATP RELEASE, IN-VITRO, Immunology, ATES OF AMERICA, V111, P1316
Subject categories Immunology in the medical area

Abstract

Several organs in the body comprise cells coupled into networks. These cells have in common that they are excitable but do not express action potentials. Furthermore, they are equipped with Ca2+ signaling systems, which can be intercellular and/or extracellular. The transport of small molecules between the cells occurs through gap junctions comprising connexin 43. Examples of cells coupled into networks include astrocytes, keratinocytes, chondrocytes, synovial fibroblasts, osteoblasts, connective tissue cells, cardiac and corneal fibroblasts, myofibroblasts, hepatocytes, and different types of glandular cells. These cells are targets for inflammation, which can be initiated after injury or in disease. If the inflammation reaches the CNS, it develops into neuroinflammation and can be of importance in the development of systemic chronic inflammation, which can manifest as pain and result in changes in the expression and structure of cellular components. Biochemical parameters of importance for cellular functions are described in this review.

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