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Abstract
The diameter of collagen fibrils and the age-related, stable cross-link, histidinohydroxylysinonorleucine
(HHL), of skin tissue (left biceps) were measured and compared in 11 patients with
amyotrophic lateral sclerosis (ALS) and 7 controls. In ALS patients, it was found
that (1) the diameter of collagen fibrils and the content of HHL were negatively and
significantly associated with the duration of illness (r = −0.74, P < 0.01 and r = −0.72, P < 0.02, respectively), and (2) there was an appreciable positive correlation between
the diameter of collagen fibrils and the content of HHL (r = 0.73, P < 0.02). These findings were not observed in controls. These suggest there is a close
relationship between the decreased amount of HHL and the small diameter of collagen
fibrils in ALS.
Keywords
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Article info
Publication history
Accepted:
March 18,
1993
Received in revised form:
March 12,
1993
Received:
August 10,
1992
Identification
Copyright
© 1993 Published by Elsevier Inc.