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Article (Scientific journals)
Histochemical changes of substance P, FRAP, serotonin and succinic dehydrogenase in the spinal cord of rats with adjuvant arthritis.
Schoenen, Jean; Van Hees, J.; Gybels, J. et al.
1985In Life Sciences, 36 (13), p. 1247-54
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Keywords :
Acid Phosphatase/analysis; Animals; Arthritis/metabolism; Arthritis, Experimental/enzymology/metabolism/psychology; Behavior, Animal; Fluorides/pharmacology; Histocytochemistry; Isoenzymes/analysis; Male; Rats; Rats, Inbred Strains; Serotonin/analysis; Spinal Cord/analysis/enzymology; Substance P/analysis; Succinate Dehydrogenase/analysis; Time Factors
Abstract :
[en] Various histochemical changes were found in spinal segments L4-L5 of rats with adjuvant arthritis, predominantly 30 days after inoculation. A slight to marked increase of substance P immunoreactivity occurred in laminae I, II and X. FRAP activity was enhanced in lamina II. Serotonin immunoreactivity was heavier in laminae I, VIII and IX in a few animals. The intensity of the histoenzymological reaction for succinic dehydrogenase increased in certain laminae VIII and X neurons. At day 15 of the disease the increase of substance P and FRAP activities was chiefly restricted to the medial portion of the superficial dorsal horn. There was a significant positive correlation between the scratching behaviour of arthritic rats and the substance P immunoreactivity in laminae X and I. If one accepts that scratching is pain-related, the data are consistent with a possible role of substance P in the chronic pain associated with adjuvant arthritis. They leave undetermined the significance of the other histochemical changes.
Disciplines :
Neurosciences & behavior
Neurology
Author, co-author :
Schoenen, Jean  ;  Université de Liège - ULiège > Département des sciences biomédicales et précliniques > Neuro-anatomie
Van Hees, J.
Gybels, J.
de Castro Costa, M.
Vanderhaeghen, J. J.
Language :
English
Title :
Histochemical changes of substance P, FRAP, serotonin and succinic dehydrogenase in the spinal cord of rats with adjuvant arthritis.
Publication date :
1985
Journal title :
Life Sciences
ISSN :
0024-3205
Publisher :
Pergamon Press, Oxford, United Kingdom
Volume :
36
Issue :
13
Pages :
1247-54
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 24 February 2010

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