Assessment of the potential role of muscle spindle mechanoreceptor afferents in chronic muscle pain in the rat masseter muscle

The phenotype of large diameter sensory afferent neurons changes in several models of neuropathic pain. We asked if similar changes also occur in "functional" pain syndromes. Acidic saline (AS, pH 4.0) injections into the masseter muscle were used to induce persistent myalgia. Controls rec...

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Veröffentlicht in:	PloS one 2010-06, Vol.5 (6), p.e11131-e11131
Hauptverfasser:	Lund, James P, Sadeghi, Somayeh, Athanassiadis, Tuija, Caram Salas, Nadia, Auclair, François, Thivierge, Benoît, Arsenault, Isabel, Rompré, Pierre, Westberg, Karl-Gunnar, Kolta, Arlette
Format:	Artikel
Sprache:	eng
Schlagworte:	Activation Afferent Pathways Anesthesiology and Pain Management/Basic Science of Pain Management Anesthesiology and Pain Management/Chronic Pain Management Anesthesiology and Pain Management/Musculoskeletal Pain and Analgesia Animal models Animals Behavior, Animal Biosynthesis c-Fos protein Calcitonin Calcitonin gene-related peptide Capsaicin receptors Chronic Disease Dentistry Disorders Electrical properties Enzymes Filaments Firing rate Fos protein Glutamate Glutamatergic transmission Glutamic Acid - metabolism Glutamic acid receptors (metabotropic) Hydrogen ions Hypersensitivity Immunohistochemistry Inflammation Injection Male Masseter muscle Masseter Muscle - metabolism Masseter Muscle - physiopathology Mechanoreceptors - physiology Membrane Potentials Muscle pain Muscle spindles Myalgia Neurological Disorders/Pain Management Neurons Neuropathy Neuropeptides Neuroscience/Sensory Systems Neurotransmitter release Nociceptors Oscillations Pain Pain - physiopathology Pain perception Peripheral neuropathy pH effects Physiology Physiology/Muscle and Connective Tissue Physiology/Neuronal Signaling Mechanisms Physiology/Sensory Systems Rats Rats, Sprague-Dawley Receptors Rodents Sensory neurons
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