2005
DOI: 10.1590/s1676-24442005000400002
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Aspectos patológicos, imunológicos e propriedades moleculares do TT vírus

Abstract: O TT vírus (TTV) foi primeiramente descrito no Japão, em 1997, por T. Nishizawa, no soro de pacientes com hepatite, pós-transfusão, não-A-G. Tem sido intensivamente investigado, desde então, como uma possível adição à lista dos vírus indutores de hepatite. O TTV é um vírus DNA não-envelopado, de fita simples. Uma considerável variabilidade genética tem sido demonstrada por parte do TTV, o que tem levado pesquisadores a agrupar isolados do vírus em inúmeros genótipos e subtipos. No entanto a significância clín… Show more

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Cited by 5 publications
(10 citation statements)
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“…As is apparent from the literature, several factors may influence the variability of results for TTV prevalence, among them the geographical distribution of the populations studied, the diagnostic methods of detection, the size of study groups and the set of primers used in the study. 3 , 15 , 28 …”
Section: Discussionmentioning
confidence: 99%
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“…As is apparent from the literature, several factors may influence the variability of results for TTV prevalence, among them the geographical distribution of the populations studied, the diagnostic methods of detection, the size of study groups and the set of primers used in the study. 3 , 15 , 28 …”
Section: Discussionmentioning
confidence: 99%
“… 2 The association between TTV and liver diseases is still controversial, and several studies have been undertaken to identify infection sources. 3 , 4 , 5…”
Section: Introductionmentioning
confidence: 99%
See 1 more Smart Citation
“…4 But, unlike other DNA viruses, TTV has high genetic heterogeneity. 5 Because of such genetic diversity, more than 30 genotypes of TTV are known and classifi ed into fi ve major genogroups. 6 Initially TTV has been associated with hepatic disease and high mortality among patients with acute infection by the hepatitis B virus (HBV), but such association has not been confi rmed in more recent studies.…”
Section: Introductionmentioning
confidence: 99%
“…6 Initially TTV has been associated with hepatic disease and high mortality among patients with acute infection by the hepatitis B virus (HBV), but such association has not been confi rmed in more recent studies. 5 Epidemiological studies have evidenced the presence of TTV in several pathological conditions, such as Hodgkin's disease, 7 aplastic anemia, 8 idiopathic pulmonary fi brosis, 9 acute pulmonary disease, 10 bullous pemphigoid, 11 worsening of prognosis of laryngeal carcinoma, 12 and reduced survival of patients with the human immunodefi ciency virus (HIV). 13 However, these studies could not characterize the real meaning of the presence of TTV in those illnesses.…”
Section: Introductionmentioning
confidence: 99%