1985
DOI: 10.1056/nejm198501103120206
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Maternal Connective Tissue Disease and Congenital Heart Block

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Cited by 285 publications
(100 citation statements)
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References 13 publications
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“…This novel finding is of clinical importance because it is only recently that clinicians caring for infants with CHB have begun focusing their attention on sinus bradycardia in addition to AV node conduction abnormalities. Indeed, human fetal autopsies 14,15 showed calcification of the SA node, further suggesting that the SA node may be affected. Because circulating maternal autoantibodies are directed against intracellular autoantigens, hypotheses have been proposed that intracellular SSA/Ro and SSA/La proteins are being trafficked to the cell surface during development by the induction of stress proteins, hormonal influences, viral infection, or apoptosis.…”
Section: Bradycardia and Sa Node Involvementmentioning
confidence: 99%
“…This novel finding is of clinical importance because it is only recently that clinicians caring for infants with CHB have begun focusing their attention on sinus bradycardia in addition to AV node conduction abnormalities. Indeed, human fetal autopsies 14,15 showed calcification of the SA node, further suggesting that the SA node may be affected. Because circulating maternal autoantibodies are directed against intracellular autoantigens, hypotheses have been proposed that intracellular SSA/Ro and SSA/La proteins are being trafficked to the cell surface during development by the induction of stress proteins, hormonal influences, viral infection, or apoptosis.…”
Section: Bradycardia and Sa Node Involvementmentioning
confidence: 99%
“…В 1981 г. одновременно несколько групп ученых обнаружили у пораженных младенцев и их матерей антитела к растворимым антигенам тканевых рибонуклео-протеинов, названных Ro/SSA-и La/SSB-антителами, реже -к U1 RNP-антигену, причем у детей титры антител были эк-вивалентными или несколько меньшими, чем у их матерей [5,6]. Повторное исследование сывороток детей через 6 мес показало отсутствие или значительное снижение титров ан-тител к Ro/SSA-и La/SSB-антигенам, подтверждая тем са-мым их пассивный трансплацентарный перенос.Дальнейшие исследования продемонстрировали почти универсальную ассоциацию НВ с одним или обоими из этих аутоантител [5,7,8]. Приблизительно в 50% случаев НВ Ro/SSA-и La/SSB-антитела присутствуют одновременно.…”
unclassified
“…Дальнейшие исследования продемонстрировали почти универсальную ассоциацию НВ с одним или обоими из этих аутоантител [5,7,8]. Приблизительно в 50% случаев НВ Ro/SSA-и La/SSB-антитела присутствуют одновременно.…”
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“…In the rheumatic mothers, production of Ro52 Abs has been repeatedly linked to MHC class II DRB1p03 alleles (6,7). During pregnancy, the maternal autoantibodies cross the placenta and bind cardiomyocytes in the fetal heart, in which the atrioventricular conduction system is disrupted by inflammation with subsequent fibrosis and calcification leading to a complete atrioventricular block (AVB) (8,9). Immunization of mice or rats with Ro52 or Ro52-derived peptides leads to AVB in the offspring, and these animal models have been used to define the nature and quality of the pathogenic autoantibodies that mediate heart block (10,11).…”
mentioning
confidence: 99%