Abnormal Muscle Spindle Innervation and Large-Fiber Neuropathy in Diabetic Mice
Author(s) -
Karra A. Muller,
Janelle M. Ryals,
Eva L. Feldman,
Douglas E. Wright
Publication year - 2008
Publication title -
diabetes
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 3.219
H-Index - 330
eISSN - 1939-327X
pISSN - 0012-1797
DOI - 10.2337/db08-0022
Subject(s) - axon , diabetes mellitus , streptozotocin , medicine , balance (ability) , endocrinology , nerve fiber , gait , anatomy , physical medicine and rehabilitation
Large-fiber diabetic polyneuropathy (DPN) leads to balance and gait abnormalities, placing patients at risk for falls. Large sensory axons innervating muscle spindles provide feedback for balance and gait and, when damaged, can cause altered sensorimotor function. This study aimed to determine whether symptoms of large-fiber DPN in type 1 and type 2 diabetic mouse models are related to alterations in muscle spindle innervation. In addition, diabetic mice were treated with insulin to assess whether sensorimotor and spindle deficits were reversible.
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