Abstract:
:In rats, tight ligation of L5 and L6 spinal nerves produces symptoms of thermal hyperalgesia and mechanical allodynia, mimicking the symptoms which characterise painful peripheral neuropathies in humans. Immunoreactivity for nitric oxide synthase (NOS) was investigated in lumbar (L1, L4, L5 and L6) dorsal root ganglia from naive controls and from rats surviving for 3, 7, and 14 days after unilateral ligation of the L5 and L6 spinal nerves. Quantitative analysis revealed significant increases in the percentage of NOS-immunoreactive cell profiles in L5 and L6 ganglia on the operated side at all time points, with the number of labelled profiles increasing with time following ligation, but L1 and L4 ganglia were unaffected. These findings suggest that nitric oxide may have a role in the generation and/or maintenance of neuropathic pain.
journal_name
Neurosci Lettjournal_title
Neuroscience lettersauthors
Steel JH,Terenghi G,Chung JM,Na HS,Carlton SM,Polak JMdoi
10.1016/0304-3940(94)90361-1subject
Has Abstractpub_date
1994-03-14 00:00:00pages
81-4issue
1-2eissn
0304-3940issn
1872-7972pii
0304-3940(94)90361-1journal_volume
169pub_type
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