2009
DOI: 10.4081/mm.2009.2553
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Significance of the “isolated EBNA-1 IgG” pattern in past EBV infection

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Cited by 3 publications
(5 citation statements)
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“…EBNA-1 IgG cannot usually be detected during the first 3-4 wk after the onset of clinical symptoms [32,140] and as VCA IgG antibodies persist but EBNA-1 IgG antibodies may disappear, especially in the case of immunosuppression [23,103,106] , a pattern of isolated VCA IgG without VCA IgM or EBNA-1 IgG has been widely documented as mentioned above, whereas the presence of EBNA-1 IgG without VCA IgG is generally considered implausible [43] . However, some immunoblotting studies have found that 2% of subjects who have De Paschale M et al .…”
Section: Isolated Ebna-1 Iggmentioning
confidence: 99%
See 1 more Smart Citation
“…EBNA-1 IgG cannot usually be detected during the first 3-4 wk after the onset of clinical symptoms [32,140] and as VCA IgG antibodies persist but EBNA-1 IgG antibodies may disappear, especially in the case of immunosuppression [23,103,106] , a pattern of isolated VCA IgG without VCA IgM or EBNA-1 IgG has been widely documented as mentioned above, whereas the presence of EBNA-1 IgG without VCA IgG is generally considered implausible [43] . However, some immunoblotting studies have found that 2% of subjects who have De Paschale M et al .…”
Section: Isolated Ebna-1 Iggmentioning
confidence: 99%
“…However, immunoblotting for IgG can solve the problem as it can confirm the real presence of EBNA-1 IgG. One immunoblotting study found that such patients were not only all anti-p72 (EBNA-1) positive, but also anti-p23 (VCA) positive, which was not detected by the screening tests using p18 antigen alone to detect VCA IgG [140] . It therefore seems that EBNA-1 IgG does not exist without the presence of at least one VCA IgG, such as anti-p23.…”
Section: Isolated Ebna-1 Iggmentioning
confidence: 99%
“…Immunoblot (Euroline) for EBV Consists of a number of markers that distinguish EBV infection from chronic, latent infection and latent infection back to service. The presence of VCA IgM,VCA IgG, and EA in the absence of EBNA-1 IgG suggests an acute infection, whilethe presence of EBNA-1 IgGand VCA IgG in the absence of VCA IgM is indicative of past infection (18,27) .Normally, VCA IgM occurs concurrently with VCA IgG antibodies, often they completely disappear in a few months, while patients have VCA IgG positive For the remainder of their lives (28) .Typically, EBNA-1 IgG cannotdetectethrower the first 3 to 4 weeks following Clinical symptoms onset (29) and The pattern of isolated VCA IgG without VCA IgM or EBNA-1 IgG has been widely documented, particularly in the case of immunosuppression, because VCA IgG antibodies remain but EBNA-1 IgG antibodies that disappear (30) , Whereas EBNA-1 IgG without VCA IgG is generally considered to be unplausible (31) . but, Many immunoblotting studies have found that (2%) of subjects with prior infections can be negative for VCA IgG anti-p23 or anti-p18 (30) and although rare, this pattern can be seen in standard laboratory tests and can account for about (1.7%) of all EBNA-1 IgG-positive samples.…”
Section: Discussionmentioning
confidence: 99%
“…Gli anti-EBNA-1 IgG di solito non possono essere rilevati durante le prime 3-4 settimane dopo l'insorgenza dei sintomi clinici (20,95). Di conseguenza, dal momento che gli anticorpi anti-VCA IgG persistono, ma gli anti-EBNA-1 IgG possono scomparire (specialmente nel caso di immunosoppressione) (8,9,110), un pattern di anti-VCA IgG isolato (senza anti-VCA IgM o anti-EBNA-1 IgG) è stato ampiamente documentato (vedi sopra), mentre la presenza di anti-EBNA-1 IgG senza anti-VCA IgG è considerato generalmente non plausibile (41).…”
Section: Profilo "Anti-ebna-1 Igg Isolato"unclassified
“…Un immunoblotting per le IgG, invece, può risolvere il problema, in quanto può confermare la presenza reale di anti-EBNA-1 IgG. In uno studio è stato trovato che tali pazienti erano tutti anti-p72 (EBNA-1) positivi all'immunoblotting e tutti presentavano anche anti-p23 (VCA) non rilevati dai test di screening che utilizzavano per la ricerca degli anti-VCA IgG solo p18 come antigene (20). Quindi, sembra che non esista la presenza di anti-EBNA-1 IgG senza almeno un anti-VCA IgG (come anti-p23).…”
Section: Profilo "Anti-ebna-1 Igg Isolato"unclassified