Experimental Arthrogryposis Caused by Viral Myopathy

Daniel B Drachman, Leslie P. Weiner, Donald L. Price, Janis Chase

Research output: Contribution to journalArticle

Abstract

Immobilization of the embryo has been postulated to cause the joint deformities in arthrogryposis multiplex congenita (AMC). Experimental damage to the motor neurons or pharmacologic blockade of neuromuscular transmission has previously resulted in typical joint changes of AMC. In the present investigation, we have studied the effects of paralysis produced by a viral myopathy on joint development. Coxsackievirus A2 was injected intravenously into chick embryos on the seventh day of incubation. Within 48 hours, severe myositis and paralysis resulted. Electron microscopical and immunofluorescence techniques demonstrated virus in muscle cells. Within three to four days after infection, the muscle had virtually disappeared. Ankylosis of joints, corresponding to that seen in human AMC, occurred. This study shows that primary myopathy with paralysis can produce arthrogrypotic joint deformities. The possibility of a viral etiologic factor in some human cases of AMC should be considered.

Original languageEnglish (US)
Pages (from-to)362-367
Number of pages6
JournalArchives of Neurology
Volume33
Issue number5
DOIs
StatePublished - 1976

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Arthrogryposis
Muscular Diseases
Joints
Paralysis
Ankylosis
Neuromuscular Blockade
Myositis
Enterovirus
Motor Neurons
Chick Embryo
varespladib methyl
Immobilization
Muscle Cells
Fluorescent Antibody Technique
Embryonic Structures
Electrons
Viruses
Muscles
Embryo
Infection

ASJC Scopus subject areas

  • Arts and Humanities (miscellaneous)
  • Clinical Neurology
  • Neuroscience(all)

Cite this

Experimental Arthrogryposis Caused by Viral Myopathy. / Drachman, Daniel B; Weiner, Leslie P.; Price, Donald L.; Chase, Janis.

In: Archives of Neurology, Vol. 33, No. 5, 1976, p. 362-367.

Research output: Contribution to journalArticle

Drachman, Daniel B ; Weiner, Leslie P. ; Price, Donald L. ; Chase, Janis. / Experimental Arthrogryposis Caused by Viral Myopathy. In: Archives of Neurology. 1976 ; Vol. 33, No. 5. pp. 362-367.
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