Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
8
pubmed:dateCreated
1978-10-18
pubmed:abstractText
We studied the effects of normal and myasthenic sera on the miniature endplate potential (MEPP) and resting membrane potential (RP) of rat muscle in vitro by conventional intracellular microelectrode techniques. Normal sera had little or no effect on either the amplitude or frequency of MEPP or RP. On the other hand, MEPP amplitude was reduced in each of nine muscles during exposure to myasthenic sera; five of these muscles showed a significant difference, by student's t-test, from the values in a control solution. The half decay time of diminished MEPP remained unchanged. MEPP frequency and RP were not affected by myasthenic sera. The reduced amplitude of the MEPP was almost completely restored when the muscle was washed with a control solution for more than 30 minutes. These observations indicate that myasthenic sera contain factors that bind reversibly with the acetylcholine receptor and reduce postsynaptic responses to acetylcholine.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Aug
pubmed:issn
0028-3878
pubmed:author
pubmed:issnType
Print
pubmed:volume
28
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
804-11
pubmed:dateRevised
2006-11-15
pubmed:meshHeading
pubmed:year
1978
pubmed:articleTitle
Serum factor blocks neuromuscular transmission in myasthenia gravis: electrophysiologic study with intracellular microelectrodes.
pubmed:publicationType
Journal Article, In Vitro