1994
DOI: 10.1099/0022-1317-75-12-3511
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Increased binding activity of measles virus to monkey red blood cells after long-term passage in Vero cell cultures

Abstract: Recent field isolates of measles virus (MV) obtained by using B95-8 cells have been reported not to agglutinate African green monkey red blood cells (AGM-RBC). Vero cell-adapted, plaque-forming strains derived from three field isolates at the third passage in Vero cell cultures (T8Ve-3, T11Ve-3 and N13Ve-3) also exhibited markedly decreased binding activity, as determined by infectivity-absorption and haemadsorption tests. On the other hand, binding activity of the respective strains at the twentieth passage

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Cited by 79 publications
(80 citation statements)
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“…Although two of the three SSPE strains could be isolated by cocultivation with B95a cells, all strains were most successfully isolated by cocultivation with Vero cells. Some reports demonstrate that adaptation to Vero cells is accompanied by specific amino acid replacements within the H protein (Asn to Tyr at position 481 or Ser to Gly at position 546) (28,46,52,60). However, such amino acid replacements were not found in the H proteins from our SSPE viruses isolated and passaged repeatedly in Vero cells (22).…”
contrasting
confidence: 39%
“…Although two of the three SSPE strains could be isolated by cocultivation with B95a cells, all strains were most successfully isolated by cocultivation with Vero cells. Some reports demonstrate that adaptation to Vero cells is accompanied by specific amino acid replacements within the H protein (Asn to Tyr at position 481 or Ser to Gly at position 546) (28,46,52,60). However, such amino acid replacements were not found in the H proteins from our SSPE viruses isolated and passaged repeatedly in Vero cells (22).…”
contrasting
confidence: 39%
“…Various evidence has been accumulated indicating that subtle differences in the envelope proteins of MV can play a role in altering the tropism, virus uptake, cell-to-cell fusion and pathogenicity (Bartz et al, 1996;Bieback et al, 2002;Hsu et al, 1998;Johnston et al, 1999;Lecouturier et al, 1996;Moeller et al, 2001;Moll et al, 2001;Ohgimoto et al, 2001;Plemper et al, 2002;Shibahara et al, 1994;Takeuchi et al, 2002). To investigate the molecular basis for the differential spread of MV wild-types in cultures of HUVECs, we will further analyse the sequences of the envelope genes of the MV wildtypes and intend functional studies with corresponding recombinant viruses.…”
Section: Discussionmentioning
confidence: 99%
“…This has been considered to be an altered property because the standard Edmonston strain, which has been passaged in monkey kidney cell lines for some time, has the ability to agglutinate African green monkey red blood cells. However, recent studies have reported that field strains isolated by lymphoid cell lines such as B95a cells have been shown to be hemadsorption-negative (29,30,32), and that this property could be reversed by passaging the strains more than 20 times in monkey kidney cell lines such as Vero cells (32). The Fr/V and Oc/V viruses, both of which showed negative hemadsorption, were isolated by Vero cells and passaged 15 times by cocultivation with Vero cells at the time of the assay.…”
Section: Discussionmentioning
confidence: 99%